1 2006-07-14 Mike Stump <mrs@apple.com>
3 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
7 * c-decl.c, var-tracking.c: Fix comment typos.
9 2006-08-14 Richard Sandiford <richard@codesourcery.com>
11 PR rtl-optimization/28634
12 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
13 for floating-point modes unless flag_unsafe_math_optimizations.
15 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
16 Andrew Pinski <pinskia@physics.uc.edu>
19 * tree.c (build_array_type): Unify array types with
20 unspecified index_type.
21 * c-decl.c (grokdeclarator): Make sure we do not modify a
22 unified incomplete array type.
23 * c-typeck.c (store_init_value): Create distinct type before
24 filling in the index type in an initializer from a compound
27 * c-decl.c (grokdeclarator): Remove code where we copy the
30 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
32 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
33 into account for TODO_dump_cgraph.
34 (TODO_update_ssa_no_phi): Likewise.
35 (TODO_update_ssa_full_phi): Likewise.
36 (TODO_update_ssa_only_virtuals): Likewise.
37 (TODO_remove_unused_locals): Likewise.
38 (TODO_set_props): Likewise.
39 (TODO_update_stmt_usage): Likewise.
41 2006-08-13 Dirk Mueller <dmueller@suse.de>
43 * c-common.c (strict_aliasing_warning): Fix formatting.
45 2006-08-13 Matthias Klose <doko@debian.org>
47 * doc/invoke.texi: Fix spelling errors.
49 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
51 PR rtl-optimization/23454
52 * reorg.c (relax_delay_slots): Update comment.
54 2006-08-11 Richard Guenther <rguenther@suse.de>
57 * simplify-rtx.c (simplify_const_relational_operation):
58 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
61 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
63 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
64 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
66 2006-08-10 Paul Brook <paul@codesourcery.com>
68 * final.c (final_scan_insn): Clear current_insn_predicate before
69 outputting inline asm.
71 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
73 PR tree-optimization/26197
74 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
75 get_ref_base_and_extent and overlap_subvar to add only relevant
76 subvars as may-aliases.
77 (add_may_alias_for_new_tag): New function, factored out of
79 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
80 with additional argument.
81 * tree-flow.h (new_type_alias): Takes additional argument.
83 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
85 * gcov.c (no_data_file): New flag.
86 (read_count_file): Set it if data file not present. Assume counts
88 (output_lines): Don't name the data file, if there wasn't one.
90 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
92 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
93 (rs6000_generate_compare): Tweak comments.
94 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
96 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
98 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
99 (var_debug_decl): New function.
100 (var_reg_set): Follow debug decl link. Add location even if
101 reg is already known to hold some other variable.
102 (var_mem_set): Follow debug decl link.
103 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
104 decl link. Delete other known locations of the variable part
106 (var_reg_delete, var_mem_delete): Delete other known locations
107 of the variable part if requested.
108 (same_variable_part_p): New function.
109 (add_stores): Select MO_COPY when appropriate.
110 (vt_initialize): Handle it.
111 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
112 known locations for MO_SET and MO_CLOBBER.
113 (find_variable_location_part): New function.
114 (set_variable_part, delete_variable_part): Use it.
115 (clobber_variable_part): New function.
116 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
119 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
121 PR tree-optimization/26969
122 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
123 with an empty list of PHIs.
125 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
129 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
132 2006-08-06 Andreas Schwab <schwab@suse.de>
134 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
135 string. Whitespace and comment fixup.
137 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
140 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
144 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
147 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
149 2006-08-04 Jan Hubicka <jh@suse.cz>
153 * reload.c (push_reload): Patch out the mismatching instruction;
155 (find_reload): Bail out if the instruction was patched out.
157 2006-08-04 Jan Hubicka <jh@suse.cz>
159 PR tree-optimization/24888
160 * tree-inline.c (expand_call_inline): Do not re-record variables.
161 (declare_inline_vars): Add variable to unexpanded_var_list.
163 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
164 Roger Sayle <roger@eyesopen.com>
166 PR rtl-optimization/26244
167 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
168 inner_const are negative or greater than or equal to the bitsize of
169 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
170 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
171 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
172 CONST0_RTX (mode) when the new shift count is greater than or equal to
173 to the bitsize of the object being shifted and XEXP (y, 0) has no side
176 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
178 * tree-cfg.c: Fix a comment typo.
180 2006-08-03 Mark Mitchell <mark@codesourcery.com>
183 * varasm.c (output_constant): Give the front end another chance to
184 expand constants, after stripping NOPs.
186 2006-08-03 Jan Hubicka <jh@suse.cz>
188 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
191 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
193 PR tree-optimization/27770
194 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
195 declaration removed (moved to tree-flow.h).
196 (vect_can_force_dr_alignment_p): Likewise.
197 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
198 (moved from tree-vectorizer.h).
199 (vect_can_force_dr_alignment_p): Likewise.
200 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
201 from outside the vectorizer - in particular from cgraph stage.
202 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
203 the alignment of global arrays when -fsection-anchors is enabled.
204 * cgraphunit.c (cgraph_increase_alignment): New function.
205 (cgraph_optimize): Call cgraph_increase_alignment.
207 2006-08-03 David Edelsohn <edelsohn@gnu.org>
210 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
211 not reload a SPE symbol_ref into a lo_sum address.
213 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
216 * dwarf2out.c (prune_unused_types_prune): Move call to
217 prune_unused_types_update_strings to cover the parent DIE also.
219 2006-08-02 Jan Hubicka <jh@suse.cz>
221 PR gcov/profile/28480
222 * tree-cfg.c (change_bb_for_stmt): New function.
223 (tree_merge_blocks, tree_split_blocks): Use it.
225 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
231 * toplev.c (compile_file): Return early on errorcount or sorrycount.
232 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
233 (cgraph_optimize): Likewise.
235 2006-08-01 Stuart Hastings <stuart@apple.com>
237 * rtl.h (UINTVAL) New.
238 * config/rs6000/rs6000.c (SMALL_INT) Use it.
239 * testsuite/gcc.dg/20060801-1.c: New.
241 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
244 * c-typeck.c (build_external_type): Mark used enum types.
245 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
247 (gen_subprogram_die): Whitespace fix.
249 2006-08-01 Jan Hubicka <jh@suse.cz>
251 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
252 bitmap when not needed.
253 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
256 2006-08-01 Dirk Mueller <dmueller@suse.de>
258 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
260 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
262 * Makefile.in: Revert part of previous patch:
263 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
266 2006-07-30 Eric Christopher <echristo@apple.com>
269 * doc/extend.texi (i386 Variable Attributes): Add anchor.
270 (PowerPC Variable Attributes): New section.
272 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
274 PR target/28126 (partial fix)
275 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
277 2006-07-28 Jan Hubicka <jh@suse.cz>
279 PR rtl-optimization/28071
280 * cfgrtl.c (rtl_delete_block): Free regsets.
281 * flow.c (allocate_bb_life_data): Re-use regsets if available.
283 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
285 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
286 and variables used in dependencies.
288 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
290 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
291 %fs for -mcmodel=kernel.
292 (stack_tls_protect_test_di): Likewise.
294 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
296 * Makefile.in: Use mkinstalldirs.
298 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
301 * opts-common.c (prune_options): Skip joined switches.
303 2006-07-27 Jan Hubicka <jh@suse.cz>
305 PR rtl-optimization/28071
306 * cselib.c (cselib_process_insn): Don't remove useless values too
307 often for very large hashtables.
309 2006-07-27 Jan Hubicka <jh@suse.cz>
311 PR rtl-optimization/28071
312 * global.c (greg_obstack): New obstack.
313 (allocate_bb_info): Use it.
314 (free_bb_info): Likewise.
315 (modify_reg_pav): Likewise.
317 2006-07-27 Roger Sayle <roger@eyesopen.com>
319 * builtins.c (fold_fixed_mathfn): When long and long long are the
320 same size, canonicalize llceil*, llfloor*, llround* and llrint*
321 functions to their lceil*, lfloor*, lround* and lrint* forms.
323 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
326 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
328 (rev_branch_insn): Likewise.
330 2006-07-27 Jan Hubicka <jh@suse.cz>
332 PR rtl-optimization/28071
333 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
334 (reg_set_in_bb, max_reg_computed): New static variables.
335 (regmove_optimize): Free the new array.
336 (fixup_match_1): Update call of reg_is_remote_constant_p.
338 2006-07-26 Jan Hubicka <jh@suse.cz>
340 PR tree-optimization/27882
341 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
343 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
345 (cgraph_analyze_compilation_unit): Likewise.
346 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
347 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
348 (cgraph_early_inlinine): Make order garbage collected.
349 * Makefile.in (gt-ipa-inline): New garbagecollected file.
351 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
353 * dbxout.c (output_types_sort): Add a comment.
354 (output_used_types): Free the VEC.
356 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
358 * function.c (reorder_fix_fragments): Delete.
359 (reorder_blocks): Don't call it.
360 (reorder_blocks_1): Put all subblocks under the origin block.
362 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
364 PR rtl-optimization/27907
365 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
368 2006-07-25 Roger Sayle <roger@eyesopen.com>
371 * convert.c (convert_to_integer): When transforming (T)foo(x) into
372 bar(x) check that bar's result type can represent all the values of T.
374 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
376 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
378 2006-07-25 Nick Clifton <nickc@redhat.com>
380 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
382 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
383 (ggc_pch_count_object): Likewise.
384 (ggc_pch_alloc_object): Likewise.
385 (ggc_pch_write_object): Likewise.
386 (init_ggc): Do not attempt to initialize entries in the
387 size_lookup[] array for objects whose size is greater than than
388 the length of the array.
390 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
392 * dbxout.c (output_used_types_helper): Push queued types
394 (output_types_sort): New.
395 (output_used_types): Collect used types on a VEC and sort them
398 2006-07-24 Richard Guenther <rguenther@suse.de>
401 * cgraph.c (cgraph_remove_node): Do not check if dumps
403 * cgraphunit.c (cgraph_optimize): Likewise.
405 2006-07-24 Jan Hubicka <jh@suse.cz>
407 PR rtl-optimization/28071
408 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
409 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
410 splitting before first stmt.
412 2006-07-24 Jan Hubicka <jh@suse.cz>
414 PR rtl-optimization/28071
415 * ipa-inline.c (update_caller_keys): Remove edges that
416 are no longer inline candidates.
418 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
421 * dbxout.c (output_used_types_helper, output_used_types): New.
422 (dbxout_symbol): Call output_used_types.
424 2006-07-23 Jan Hubicka <jh@suse.cz>
428 * cgraph.c (cgraph_varpool_nodes): Export.
429 (decide_is_variable_needed): Ignored "used" attribute in
431 * cgraph.h (cgraph_varpool_nodes): Declare.
432 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
435 2006-07-23 Roger Sayle <roger@eyesopen.com>
438 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
439 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
440 the __gthrw form of thr_keycreate.
441 (__gthread_key_delete): Silence the unused argument warning.
443 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
446 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
447 Cache the last found '\0' marker to avoid quadratic behavior.
449 2006-07-23 Jan Hubicka <jh@suse.cz>
451 * i386.md (subsi_3_zext): Fix output template.
453 2006-07-21 Mike Stump <mrs@apple.com>
455 * doc/invoke.texi (C++ Dialect Options): Note that
456 -fvisibility-inlines-hidden doesn't affect explicitly
457 instantiationed inline methods.
459 2006-07-20 Roger Sayle <roger@eyesopen.com>
461 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
462 if the target assembler is GNU binutils' gas.
463 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
464 whether to pass GNU gas or native as command line options.
466 2006-07-20 Jason Merrill <jason@redhat.com>
468 * tree.c (remove_attribute): New fn.
469 * tree.h: Declare it.
471 2006-07-20 Paul Brook <paul@codesourcery.com>
474 * cse.c (cse_insn): Add destination addresses to hash table. Check if
475 they are invalidated by this instruction.
477 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
480 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
482 2006-07-20 Eric Christopher <echristo@apple.com>
485 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
487 2006-07-19 Eric Christopher <echristo@apple.com>
489 * config/t-slibgcc-darwin (stmp-lipo): Remove.
490 Rewrite dependencies for libgcc_s.1.dylib.
492 2006-07-19 Jakub Jelinek <jakub@redhat.com>
494 * except.c (duplicate_eh_regions_1): Clear next_peer.
496 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
498 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
499 -mlongcall does not guarantee all calls will be long.
500 * doc/extend.texi (long_call/short_call): Document that longcall
501 does not guarantee a long call will be used.
502 (longcall/shortcall): Likewise.
504 2006-07-18 Roger Sayle <roger@eyesopen.com>
507 * expmed.c (expand_shift): Additionally check that the shift_cost
508 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
509 before implementing a LSHIFT_EXPR as a sequence of additions.
510 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
511 middle-end that DImode shifts need to be synthesized by expand.
513 2006-07-18 Diego Novillo <dnovillo@redhat.com>
516 * tree-ssa-operands.c (access_can_touch_variable): Update
518 Return true if ALIAS is .GLOBAL_VAR.
520 2006-07-18 David Daney <ddaney@avtrex.com>
522 * gcc.c (display_help): Fix typo in help text.
524 2006-07-18 Olivier Hainque <hainque@adacore.com>
526 * tree.h (categorize_ctor_elements): Adjust prototype and add
527 descriptive comment, both in accordance with the interface change
529 * varasm.c (constructor_static_from_elts_p): New function.
530 Whether a constructor node is a valid static constant initializer
531 if all its elements are.
532 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
533 * output.h: Declare it.
534 * expr.c (categorize_ctor_elements_1): Return whether the constructor
535 is a valid constant initializer instead of computing the number of
536 non-constant elements. Use constructor_static_from_elts_p for this
537 purpose. Replace the head comment with an indication that this is a
538 helper for categorize_ctor_elements.
539 (categorize_ctor_elements): Same interface change as for the _1
540 helper. Former head comment from this helper moved here, adjusted to
541 account for the interface changes.
542 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
543 (all_zeros_p): Likewise.
544 * gimplify.c (gimplify_init_constructor): Decide whether we can make
545 static versions of the constructor from the categorize_ctor_elements
546 return value instead of the formerly computed number of non-constant
549 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
551 * configure: Regenerate.
552 * Makefile.in (build_libsubdir): New configure substitution
553 (build_libobjdir): New variable.
554 (BUILD_LIBIBERTY): Use it.
556 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
559 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
561 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
564 * c-common.c (handle_weakref_attribute): Ignore attribute in
565 the same conditions the alias attribute is ignored.
567 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
569 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
570 (dbxout_begin_prologue): Increment scope_labelno.
572 2006-07-17 Richard Henderson <rth@redhat.com>
575 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
578 2006-07-17 Roger Sayle <roger@eyesopen.com>
579 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
581 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
582 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
583 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
584 functions such as sbrk, write, etc.. Add function prototypes.
585 Convert function declarations from K&R to ISO C. Cast pointers
586 to "long" and "unsigned long" instead of "int" and "unsigned int".
587 Convert tokens following #endif into comments.
589 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
591 * invoke.texi: Remove mention of f77; Reformat table for
592 inline parameter options correctly; mention that -malign-double
593 is default on x86-64 targets.
595 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
597 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
598 (convert_affine_scev, chrec_convert_aggressive): Use
599 avoid_arithmetics_in_type_p. Do not check for the subtypes
602 2006-07-17 Richard Sandiford <richard@codesourcery.com>
605 * optabs.c (expand_doubleword_shift): Wrap the call to
606 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
608 2006-07-17 Richard Sandiford <richard@codesourcery.com>
611 * optabs.c (expand_binop): Pass next_methods rather than methods
612 to expand_doubleword_shift.
614 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
617 * tree.h (dump_addr): Declare.
618 * print-tree.c (dump_addr): New function.
619 (print_node_brief, print_node): Use it.
620 * print-rtl.c (print_rtx): Likewise.
621 * common.opt (-fdump-noaddr): New option.
622 * doc/invoke.texi (-fdump-noaddr): Document.
623 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
624 (ve_info_hash): Likewise.
626 2006-07-13 Andrew Haley <aph@redhat.com>
628 PR tree-optimization/19505
629 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
630 edge leaving this block, make sure that the destination of this
631 block has only one predecessor.
633 2006-07-17 Richard Guenther <rguenther@suse.de>
635 PR tree-optimization/28238
636 * tree-inline.c (copy_bb): Check if we produced valid
637 gimple copying and substituting a stmt. If not, gimplify
640 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
642 * optabs.c (maybe_encapsulate_block): New function extracted from...
643 (emit_libcall_block): ...here. Invoke it on the block of insns to
644 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
645 (emit_no_conflict_block): Likewise.
647 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
649 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
651 2006-07-15 Roger Sayle <roger@eyesopen.com>
653 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
654 a new NOP_EXPR case of the switch statement.
656 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
659 * stor-layout.c (place_field): Take the bit field with
660 an excessive size into account in the ms-bitfiled case.
663 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
664 the previous bit field.
666 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
669 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
671 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
673 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
674 signal frames correctly even when the signal was installed with
677 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
679 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
680 (dbxout_function_end): Use local label LFBB. Remove hook
682 (dbxout_source_line): Use local label LFBB.
683 (dbxout_block): Likewise.
684 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
685 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
686 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
689 2006-07-13 Janis Johnson <janis187@us.ibm.com>
691 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
693 2006-07-13 Jan Hubicka <jh@suse.cz>
695 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
697 * output.h (align_variable): Declare.
698 * varasm.c (align_variable): Export.
699 * value-prof.c (tree_value_profile_transformations): Recompute iterator
700 when basic block changed.
702 2006-07-13 Nick Clifton <nickc@redhat.com>
704 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
705 walking the LOG_LINKS chain.
707 2006-07-12 Geoffrey Keating <geoffk@apple.com>
709 * doc/invoke.texi (C++ Dialect Options): Explain difference
710 between -fvisibility-inlines-hidden and setting hidden
711 visibility explicitly.
713 2006-07-12 Eric Christopher <echristo@apple.com>
715 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
716 (stmp-lipo): Depend on libgcc.a.
718 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
720 * tree.c: Fix a comment typo.
722 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
724 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
726 (umulhisi3_r): Likewise.
728 2006-07-12 Paolo Carlini <pcarlini@suse.de>
731 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
732 x < 19, vs wchar_t support.
734 2006-07-12 Nick Clifton <nickc@redhat.com>
736 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
739 2006-07-12 Mike Stump <mrs@apple.com>
741 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
743 2006-07-10 Eric Christopher <echristo@apple.com>
745 * config/t-slibgcc-darwin: Rewrite.
747 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
750 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
753 2006-07-08 Matthias Klose <doko@debian.org>
755 * doc/sourcebuild.texi: Fix typo.
757 2006-07-07 Mike Stump <mrs@apple.com>
759 * toplev.c (process_options): Don't give -ffunction-sections may
760 affect debugging warning for Mach-O.
762 2006-07-07 James E Wilson <wilson@specifix.com>
764 * config/mips/mips.md (cpu): Add sb1a.
765 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
766 addition to sb1. Adjust comments to clarify SB-1A differences from
768 (ir_sb1a_load): New. Modify bypasses to use it.
769 (ir_sb1a_simple_alu): Likewise.
770 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
771 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
772 (mips_issue_rate): Add PROCESSOR_SB1A.
773 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
774 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
775 (TARGET_SB1): Add PROCESSOR_SB1A check.
776 (TUNE_SB1): Likewise.
778 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
779 * config/mips/mips.c (mips_store_data_bypass_p): New.
780 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
783 2006-07-08 Paul Brook <paul@codesourcery.com>
786 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
788 2006-07-07 Richard Guenther <rguenther@suse.de>
791 * tree.h (build_one_cst): Declare.
792 * tree.c (build_one_cst): New function.
793 * tree-ssa-math-opts.c (get_constant_one): Remove.
794 (insert_reciprocals): Use build_one_cst.
795 * fold-const.c (fold_plusminus_mult): Likewise.
797 2006-07-07 Roger Sayle <roger@eyesopen.com>
799 * pointer-set.c (pointer_set_destroy): Correct whitespace.
800 * cfgloopanal.c (dump_graph): Likewise.
801 * dojump.c (discard_pending_stack_adjust): Likewise.
802 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
804 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
805 * function.c (finalize_block_changes): Likewise.
806 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
807 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
808 * rtl.c (dump_rtx_statistics): Likewise.
809 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
811 * varray.c (dump_varray_statistics): Likewise.
812 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
813 decode_decimal64, encode_decimal128, decode_decimal128,
814 decimal_real_to_decimal): Likewise.
816 2006-07-07 Richard Guenther <rguenther@suse.de>
818 PR tree-optimization/28187
819 * tree-vrp.c (vrp_operand_equal_p): New function.
820 (vrp_bitmap_equal_p): Likewise.
821 (update_value_range): Use them to compare old and new
824 2006-07-06 Roger Sayle <roger@eyesopen.com>
826 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
827 a default case to switch statement to silence compiler warnings.
829 2006-07-06 Roger Sayle <roger@eyesopen.com>
832 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
833 the configured assembler supports the x87's ffreep mnemonic.
834 * configure: Regenerate.
835 * config.in: Regenerate.
837 * config/i386/i386.c (output_387_ffreep): New function.
838 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
839 (output_387_reg_move): Likewise.
841 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
843 Port to hosts whose 'sort' and 'tail' implementations
844 treat operands with leading '+' as file names, as POSIX
845 has required since 2001. However, make sure the code still
846 works on pre-POSIX hosts.
847 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
848 which says you should use "tail -c +N" rather than "tail +Nc".
849 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
851 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
853 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
856 2006-07-06 David Edelsohn <edelsohn@gnu.org>
859 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
860 PRE_{INC,DEC} of TFmode.
862 2006-07-06 David Edelsohn <edelsohn@gnu.org>
863 Alan Modra <amodra@bigpond.net.au>
866 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
869 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
872 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
873 Remove duplicate gtu.
875 2006-07-05 Jason Merrill <jason@redhat.com>
879 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
880 * c-common.c (handle_packed_attribute): So don't copy it here.
881 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
883 2006-07-05 Mike Stump <mrs@apple.com>
885 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
887 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
890 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
892 2006-07-05 Richard Guenther <rguenther@suse.de>
895 * config/i386/i386.md (*negdf2_1): Restrict pattern to
896 TARGET_SSE2 targets if using SSE math.
897 (*absdf2_1): Likewise.
899 2006-07-05 Richard Guenther <rguenther@suse.de>
901 PR tree-optimization/28162
902 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
903 make sure to convert the operands to the correct type.
905 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
907 PR tree-optimization/28218
909 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
910 to calculate and free the dominator information.
912 2006-07-04 Peter O'Gorman <peter@pogma.com>
914 * mklibgcc.in: chmod 644 before ranlib during install.
916 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
917 J"orn Rennecke <joern.rennecke@st.com>
919 * configure.ac (.eh_frame data check): Use diff -b.
921 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
924 * Makefile.in (BUILD_RTL): Add build/vec.o.
925 (build/gencondmd.o): Filter out -fkeep-inline-functions.
926 (build/genextract): Delete.
927 (build/genautomata): Likewise.
929 2006-07-04 Alan Modra <amodra@bigpond.net.au>
932 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
933 128-bit IBM long doubles for ABI_V4.
935 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
937 * tree.c (range_in_array_bounds_p): New predicate.
938 * tree.h (range_in_array_bounds_p): Declare it.
939 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
940 return a less conservative answer.
941 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
943 (IS_ELEMENT_FOR_GROUP): New macro.
944 (FOR_EACH_ACTUAL_CHILD): Likewise.
945 (next_child_for_group): New helper function.
946 (can_completely_scalarize_p): Take into account groups.
947 (sra_hash_tree): Handle RANGE_EXPR.
948 (sra_elt_eq): Likewise.
949 (lookup_element): Be prepared for handling groups.
950 (is_valid_const_index): Delete.
951 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
952 instead of is_valid_const_index.
953 <ARRAY_RANGE_REF>: New case.
954 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
955 is_valid_const_index.
956 <ARRAY_RANGE_REF>: Do not unconditionally punt.
957 (scan_dump): Dump info for groups too.
958 (decide_instantiation_1): Likewise.
959 (decide_block_copy): Assert that the element is not a group.
960 Propagate decision to groups.
961 (generate_one_element_ref): Handle RANGE_EXPR.
962 (mark_no_warning): Iterate over actual childs.
963 (generate_copy_inout): Likewise.
964 (generate_element_copy): Likewise.
965 (generate_element_zero): Likewise.
966 (generate_element_init_1): Likewise.
967 (dump_sra_elt_name): Handle RANGE_EXPR.
969 2006-07-03 Roger Sayle <roger@eyesopen.com>
971 PR tree-optimization/26251
972 * tree-ssa-threadupdate.c (redirection_block_p): New function.
973 (thread_block): When optimizing for size refuse to thread jumps
974 that would require duplication of blocks other than redirection
977 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
979 * configure.ac: Fix thinko in previous check-in.
980 * configure: Regenerate.
982 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
985 * configure.ac (for lang...): Simplify nesting of conditionals.
986 Test subdir_requires for non-enabled languages. Move processing
987 of lang_opt_files and lang_tree_fiels below that test.
988 * configure: Regenerate.
989 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
991 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
993 * doc/gcov.texi (Invoking Gcov): Add a missing word.
995 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
997 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1000 2006-06-29 Jason Merrill <jason@redhat.com>
1007 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1008 * c-common.c (c_determine_visibility): Handle it here.
1009 * c-decl.c (finish_decl): Call c_determine_visibility for
1011 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1013 * varasm.c (default_assemble_visibility): Likewise.
1014 * c-common.c (handle_visibility_attribute): Complain about trying
1015 to give visibility to an already defined class, or trying to change
1016 declared visibility. Always attach the attribute.
1021 * attribs.c (decl_attributes): Ignore type-in-place attributes
1022 once the type has been defined.
1024 2006-06-29 Roger Sayle <roger@eyesopen.com>
1027 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1028 to indicate the cpplib has issued an error message for us.
1030 2006-06-29 Asher Langton <langton2@llnl.gov>
1033 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1034 insert a label at the end of an function under Mach-O.
1036 2006-06-29 Eric Christopher <echristo@apple.com>
1037 Evan Cheng <evan.cheng@apple.com>
1039 * predicates.md (vector_all_ones_operand): New.
1040 (nonimmediate_or_sse_const_operand): Ditto.
1041 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1042 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1043 (standard_sse_mode_p): Ditto.
1044 (standard_sse_constant_p): Add case for -1 vector.
1045 (ix86_expand_vector_move): Try to use.
1046 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1047 Call standard_sse_constant_opcode.
1048 (*movv4sf_internal): Ditto.
1049 (*movv2df_internal): Ditto.
1051 2006-06-29 Roger Sayle <roger@eyesopen.com>
1053 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1054 of XEXP to extract the operands of a MATCH_CODE rtx.
1056 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1058 * tree.c (tree_size): Do not waste tail padding in
1059 struct tree_string and make the size be the same as
1060 build_string will generate.
1062 2006-06-28 Jason Merrill <jason@redhat.com>
1065 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1066 may_aliases already in the tag's annotations to the bitmap.
1068 2006-06-28 Roger Sayle <roger@eyesopen.com>
1070 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1072 2006-06-28 Roger Sayle <roger@eyesopen.com>
1074 * genpreds.c (generate_switch_p): New function.
1075 (add_mode_tests): Push the new mode test down inside an AND expr
1076 if this allows the switch-suitable MATCH_CODE to be near the root.
1077 (write_match_code_switch): New function to write a MATCH_CODE as
1079 (write_predicate_stmts): New function to write a predicate RTX
1080 expression as a sequence of statements.
1081 (write_one_predicate_function): Use write_predicate_stmts.
1082 (write_tm_constrs_h): Likewise.
1084 2006-06-26 Fred Fish <fnf@specifix.com>
1086 * config/mips/t-sb1: New file.
1087 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1090 2006-06-26 DJ Delorie <dj@redhat.com>
1092 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1094 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1095 Jayant Sonar <jayants@kpitcummins.com>
1096 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1098 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1099 (subsi3, subsi3_1, subsi3_2): New.
1100 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1101 * config/m32c/mov.md (SI mov peephole): New.
1102 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1103 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1105 2006-06-26 Olivier Hainque <hainque@adacore.com>
1107 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1108 a CALL_EXPR target function declaration.
1110 2006-06-26 Richard Guenther <rguenther@suse.de>
1112 * tree.c (build_string): Do not waste tail padding in
1115 2006-06-26 Richard Guenther <rguenther@suse.de>
1117 * ggc-page.c (init_ggc): Add missing element to size_lookup
1121 2006-06-23 Richard Guenther <rguenther@suse.de>
1123 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1124 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1125 alignment requests instead. Add verification code.
1126 Add struct tree_function_decl and struct tree_binfo size to
1127 extra_order_size_table. Add missing element to size_lookup
1130 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1133 * fold-const.c (const_binop): Be prepared for self returning zero.
1134 Simplify code handling complex values.
1136 2006-06-24 Olivier Hainque <hainque@adacore.com>
1138 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1139 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1142 2006-06-24 Olivier Hainque <hainque@adacore.com>
1144 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1145 ARRAY_REF, so have the callback called for the low bound expression.
1147 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1149 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1150 * c-typeck.c (c_common_type): Disallow operations on decimal float
1151 types and other float types.
1152 * convert.c (convert_to_real): Don't ignore conversions involving
1153 decimal float types.
1155 2006-06-23 Olivier Hainque <hainque@adacore.com>
1157 * tree.c (max_int_size_in_bytes): New function, inspired from
1158 code in function.c:assign_temp.
1159 * tree.h (max_int_size_in_bytes): Declare.
1160 * function.c (assign_temp): Use it.
1161 * gimplify.c (create_tmp_var): Relax the assertions on the type
1162 properties, not mandating constant size any more.
1163 (force_constant_size): New static function.
1164 (gimple_add_tmp_var): Use it, forcing variable size to a
1165 constant upper bound if it is not constant on entry.
1167 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1170 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1171 for initialization and setting of one_only flag to ...
1172 (i386_pe_encode_section_info): ...here.
1173 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1174 Recheck that the symbol has not been defined.
1176 2006-06-23 Richard Guenther <rguenther@suse.de>
1178 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1179 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1180 alignment requests instead. Add verification code.
1181 Add struct tree_function_decl and struct tree_binfo size to
1182 extra_order_size_table. Add missing element to size_lookup
1185 2006-06-22 Roger Sayle <roger@eyesopen.com>
1186 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1189 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1190 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1192 2006-06-23 Ben Elliston <bje@au.ibm.com>
1194 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1195 negate dn -- manipulate it directly.
1197 2006-06-22 Roger Sayle <roger@eyesopen.com>
1198 Steven Bosscher <stevenb.gcc@gmail.com>
1201 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1202 generated by gen_move_insn to add REG_LABEL notes if necessary.
1204 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1206 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1207 (leaf_entry): Remove use of MIN_ESA.
1209 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1211 PR rtl-optimization/28121
1212 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1215 2006-06-21 DJ Delorie <dj@redhat.com>
1217 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1219 (mulhisi3_r): Likewise.
1221 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1224 * coverage.c (coverage_counter_alloc): Leave the index type
1226 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1229 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1231 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1232 section from the "Options for Code Generation Conventions".
1234 2006-06-21 Richard Henderson <rth@redhat.com>
1238 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1240 (global_symbolic_operand): Allow weak symbols, even if local_p.
1242 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1244 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1245 (find_interesting_uses_address): Punt if above function returns true.
1247 2006-06-21 Richard Guenther <rguenther@suse.de>
1249 * configure: Regenerated.
1251 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1253 * config/mips/mips.c (function_arg): Where one part of a
1254 complex argument is in registers and the other part in the stack,
1255 return a REG not a PARALLEL.
1257 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1259 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1260 when cross-compiling. Do not substitute libstdcxx_incdir.
1261 * configure: Regenerated.
1263 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1265 * varasm.c (mergeable_string_section): Check for embedded NULs and
1266 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1267 rather than TREE_STRING_LENGTH bytes.
1269 2006-06-21 Richard Guenther <rguenther@suse.de>
1271 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1272 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1275 2006-06-21 Richrad Guenther <rguenther@suse.de>
1277 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1278 Limit iteration over the dominators.
1280 2006-06-20 Roger Sayle <roger@eyesopen.com>
1282 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1283 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1285 2006-06-20 Richard Guenther <rguenther@suse.de>
1286 Michael Matz <matz@suse.de>
1288 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1290 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1291 * et-forest.h (et_free_pools): Prototype new function.
1292 * et-forest.c (et_free_tree_force): Free parent occurrence.
1293 (et_free_pools): New function.
1294 * dominance.c (free_dominance_info): Free et-forest alloc
1297 2006-06-20 Roger Sayle <roger@eyesopen.com>
1299 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1300 integer modes, attempt to directly construct an integer constant.
1302 * fold-const.c (native_encode_vector): Determine the size of each
1303 element from the vector type instead of the first vector element.
1305 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1306 if all of its elements/components are constant.
1307 (build_constructor_from_list): Likewise.
1309 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1311 PR tree-optimization/27331
1312 * tree-data-ref.c (free_data_ref): New function.
1313 (create_data_ref): Fail if the data reference has unknown access
1315 (free_data_refs): Use free_data_ref.
1317 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1320 * tree-inline.c (setup_one_parameter): Strip useless
1321 type conversion before adding it to the IR.
1322 (declare_return_variable): Likewise.
1324 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1327 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1329 2006-06-19 Mike Stump <mrs@apple.com>
1331 * tree.c (variably_modified_type_p): VM arguments don't make the
1334 2006-06-19 Richard Guenther <rguenther@suse.de>
1336 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1337 type conversions after folding.
1339 2006-06-19 Richard Guenther <rguenther@suse.de>
1341 * ggc-page.c (extra_order_size_tab): Add entries with
1342 size of struct function and basic_block.
1343 (size_lookup): Extend to cover sizes up to 511.
1344 (ggc_alloc_stat): Adjust user.
1345 (ggc_pch_count_object): Likewise.
1346 (ggc_pch_alloc_object): Likewise.
1347 (ggc_pch_write_object): Likewise.
1349 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1351 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1352 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1355 2006-06-19 Denis Chertykov <denisc@overta.ru>
1357 * config/avr/libgcc.S : Correct my wrong previous commit.
1359 2006-06-19 Roger Sayle <roger@eyesopen.com>
1362 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1363 have stripped a SUBREG from the shift count, so we may need to
1364 convert_to_mode back to the type's mode before calling make_tree.
1365 Use new_amount instead of amount to avoid expanding a tree twice.
1367 2006-06-19 Richard Guenther <rguenther@suse.de>
1370 * fold-const.c (operand_equal_p): Check if the argument types
1371 have the same precision before stripping NOPs.
1373 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1375 Fix PR tree-optimization/27341
1376 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1378 * tree-complex.c (pass_lower_complex): Update SMT usage.
1380 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1382 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1383 Add a new alternative to the constraint strings. Add move of
1384 operand 1 to 3 to the splitter definition.
1385 ("doloop_si_long"): Second contraint alternative removed.
1387 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1389 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1390 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1392 (AVR_HAVE_MOVW) Define.
1393 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1394 (ASM_SPEC): Add avr25.
1395 (LINK_SPEC): Add avr25.
1396 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1397 (base_arch_s): Add new member 'have_movw_lpmx'.
1398 (avr_arch_types): Init 'have_movw_lpmx'.
1399 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1400 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1401 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1402 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1403 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1405 (avr_file_start): Do not output '.arh' derective.
1406 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1407 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1408 * config/avr/avr.md (mcu_enhanced): Delete.
1409 (mcu_have_movw): Define.
1410 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1411 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1412 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1413 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1414 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1415 attiny861 and at86rf401 devices.
1417 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1419 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1422 2006-06-17 Karl Berry <karl@gnu.org>
1424 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1425 doc/gccint.texi, doc/install.texi (@dircategory): Use
1426 "Software development" instead of "Programming", following
1427 the Free Software Directory.
1429 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1431 * config/i386/i386.c (legitimate_tls_address)
1432 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1433 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1434 (*tls_dynamic_gnu2_combine_64): Likewise.
1436 2006-06-16 Richard Guenther <rguenther@suse.de>
1439 * fold-const.c (negate_expr_p): Do not introduce undefined
1440 overflow in negating INTEGER_CSTs.
1441 (fold_negate_expr): Rename from negate_expr. Revert last
1442 change for folding BIT_NOT_EXPR. Change semantics to
1443 return NULL_TREE for non-simplified negations. Do not
1444 strip type conversions and unify type handling.
1445 (negate_expr): New function, wrap around fold_negate_expr
1446 but ensure building a tree always. Strip type conversions
1447 here, fold to result type.
1448 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1450 2006-06-16 Roger Sayle <roger@eyesopen.com>
1453 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1454 that (would) return their results in stack registers.
1456 2006-06-16 Michael Matz <matz@suse.de>
1457 Richard Guenther <rguenther@suse.de>
1459 * fold-const.c (fold_truthop): Only return new tree node if
1460 we canonicalized something.
1462 2006-06-16 Richard Guenther <rguenther@suse.de>
1464 * function.h (enum function_frequency): Move declaration
1465 out of struct function.
1466 (struct function): Move bool fields and the enum to the bitfield
1467 section. Reorder elements to avoid padding. Remove unused
1468 fields left over from the RTL inliner removal.
1469 * function.c (free_after_compilation): Do not zero removed fields.
1470 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1471 (ipa-type-escape.o): Likewise.
1473 2006-06-16 Richard Guenther <rguenther@suse.de>
1475 * cgraph.h (struct cgraph_local_info): Turn bool elements
1477 (struct cgraph_node): Likewise.
1478 (struct cgraph_varpool_node): Likewise.
1480 2006-06-15 Richard Guenther <rguenther@suse.de>
1482 * fold-const.c (fold_truth_not_expr): Rename from
1483 invert_truthvalue. Give it fold_* semantics to avoid
1485 (invert_truthvalue): New function. Wrapper around
1486 fold_truth_not_expr.
1487 (optimize_minmax_comparison): Avoid creating garbage.
1488 (fold_unary): Use fold_truth_not_expr for folding
1490 (fold_ternary): Replace uses of invert_truthvalue with
1491 fold_truth_not_expr where applicable.
1492 * tree.h (fold_truth_not_expr): Prototype.
1494 2006-06-16 Richard Guenther <rguenther@suse.de>
1496 PR tree-optimization/27781
1497 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1498 * ipa-pure-const.c (target.h): Include.
1499 (analyze_function): Do not analyze functions that do not
1502 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1505 * tree-dfa.c (referenced_vars_dup_list): Remove.
1506 (find_referenced_vars): Remove assert.
1507 (referenced_var_check_and_insert): Replace dup list with assert.
1508 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1509 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1511 2006-06-15 Richard Guenther <rguenther@suse.de>
1513 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1514 extra unused identifiers if not dumping.
1515 (create_variable_info_for): Likewise.
1517 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1519 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1520 (derive_constant_upper_bound): Derive more precise upper bound in
1521 common cases. Return type changed to double_int.
1522 (record_estimate): Reflect the changed return type of
1523 derive_constant_upper_bound.
1524 * double-int.c (double_int_zext, double_int_sext): Fix.
1526 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1528 * configure.ac (CFLAGS): Get them from the toplevel or from the
1529 configure invocation.
1530 * configure: Regenerate.
1531 * Makefile.in (CFLAGS): Substitute value provided by configure.
1533 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1536 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1537 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1538 rather than calling add_stmt on it.
1539 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1541 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1544 * reload1.c (reload): Remove registers returned by update_eliminables
1545 from used_spill_regs.
1547 2006-06-13 DJ Delorie <dj@redhat.com>
1549 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1551 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1553 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1554 html__strip_dir, html__mkdir_p. Enhance install-html target.
1555 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1556 * configure: Regenerate.
1558 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1560 * fold-const.c (fold_cond_expr_with_comparison): Check for
1561 Objective-C++ as language in deciding COND_EXPR transformation.
1563 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1566 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1567 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1568 * config/sh/lib1funcs.h (SL, SL1): Define.
1569 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1570 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1571 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1572 (OBJS_Os_4_200): New variable.
1573 ($(T)libgcc-Os-4-200.a): Use it.
1574 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1575 when dividing 1 and/or by 0.
1577 2006-06-13 Roger Sayle <roger@eyesopen.com>
1579 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1580 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1581 * configure: Regenerate.
1583 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1585 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1586 for real instruction.
1588 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1591 * haifa-sched.c (check_cfg): Handle special case.
1593 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1596 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1597 Add debug_info parameter. Chain the vars to the BLOCK instead
1598 of the BIND_EXPR if debug info are requested for them.
1599 (pop_gimplify_context): Adjust for above change.
1600 (gimple_add_tmp_var): Likewise.
1601 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1603 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1604 (convert_local_reference): Likewise.
1605 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1606 (finalize_nesting_tree_1): Request that debug info be emitted
1607 for debug_var_chain.
1609 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1611 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1612 for PR target/27863.
1614 2006-06-13 Richard Guenther <rguenther@suse.de>
1617 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1619 2006-06-13 Richard Guenther <rguenther@suse.de>
1621 PR tree-optimization/27830
1622 * tree-inline.c (copy_body_r): For copying the operand
1623 of an ADDR_EXPR make sure to fold &* afterwards.
1625 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1627 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1628 lvalues in the fb_none case with side-effects.
1630 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1632 * tree-flow.h: Remove the prototype for
1633 compute_phi_arg_on_exit.
1634 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1635 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1638 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1640 * builtins.c (expand_builtin_return_addr): Only use
1641 frame_pointer_rtx when count == 0 and we are expanding
1642 __builtin_return_address.
1644 2006-06-12 Fred Fish <fnf@specifix.com>
1646 * config/mips/mips.c (mips_file_start): Create special section
1647 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1649 2006-06-11 Eric Christopher <echristo@apple.com>
1652 * stor-layout.c (place_field): Remove check for
1653 remaining_in_alignment when aligning at the end of a run.
1655 2006-06-11 Eric Christopher <echristo@apple.com>
1658 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1661 2006-06-11 Roger Sayle <roger@eyesopen.com>
1664 Revert incorrect fix for PR target/27158
1665 2006-05-08 Roger Sayle <roger@eyesopen.com>
1666 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1667 of a reg_equiv_constant if the result is a legitimate constant.
1669 2006-06-11 Roger Sayle <roger@eyesopen.com>
1672 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1673 extract a CONST_VECTOR element and interpret it as an integer.
1674 (vspltis_constant): Use const_vector_elt_as_int instead of the
1675 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1676 * config/rs6000/predicates.md (easy_vector_const): Consider
1677 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1679 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1682 * stor-layout.c (update_alignment_for_field): Don't add extra
1683 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1686 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1688 * config/mips/t-rtems: Add EL/EB multilib variants.
1690 2006-06-09 Mike Stump <mrs@apple.com>
1692 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1694 2006-06-09 David Daney <ddaney@avtrex.com>
1696 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1698 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1700 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1702 2006-06-09 Richard Guenther <rguenther@suse.de>
1704 PR tree-optimization/26998
1705 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1706 of signed types, only TYPE_MIN_VALUE is special, but for both,
1707 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1708 in this case, as is -fwrapv.
1710 2006-06-08 Mike Stump <mrs@apple.com>
1713 * config/darwin.c (darwin_asm_output_anchor): Disable
1714 -fsection-anchors on darwin for now.
1715 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1716 * rs6000/rs6000.c (optimization_options): Likewise.
1718 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1721 * config/i386/i386.c (classify_argument): Skip fields with invalid
1724 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1726 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1727 (cse_insn): Likewise for the stack_pointer_rtx.
1729 2006-06-08 Roger Sayle <roger@eyesopen.com>
1731 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1732 conditions from floating point comparisons.
1734 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1737 * expmed.c (struct alg_hash_entry): Fix type of field T
1738 to match synth_mult argument.
1739 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1741 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1744 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1747 2006-06-08 Richard Guenther <rguenther@suse.de>
1750 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1751 only, if overflow is defined and not trapping.
1752 (negate_expr): Likewise.
1754 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1756 PR tree-optimization/27872
1757 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1758 flag on the new exit edge of the unrolled loop.
1760 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1762 PR rtl-optimization/26449
1763 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1765 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1768 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1769 referenced_variables with matching DECL_UID's.
1770 (find_referenced_vars): Make sure duplicate list is empty to start.
1771 (referenced_var_p): Remove.
1772 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1773 Check if var is in the list, and add if needed. Update the duplicate
1774 list if a different var is in the list with the same DECL_UID.
1775 (add_referenced_var): Call routine to check and insert.
1776 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1777 * tree-flow.h (referenced_vars_dup_list): External declaration.
1779 2006-06-07 Fred Fish <fnf@specifix.com>
1781 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1784 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1787 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1788 the imaginary and real parts of a clobbered register.
1789 Emit insn to set the imaginary part.
1791 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1793 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1794 in lieu of unwind-dw2-fde.c.
1796 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1798 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1800 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1803 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1804 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1805 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1806 V4SImode temporaries and operations instead.
1808 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1810 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1813 2006-06-06 Mike Stump <mrs@apple.com>
1815 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1816 installing during build.
1818 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1820 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1822 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1823 * config/ia64/ia64.c (params.h): New header.
1824 (ia64_optimization_options): New function to adjust parameters.
1825 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1826 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1827 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1829 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1831 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1833 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1836 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1838 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1839 Victor Kaplansky <victork@il.ibm.com>
1841 PR tree-optimization/26360
1842 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1845 2006-06-04 Roger Sayle <roger@eyesopen.com>
1846 Andrew Pinski <pinskia@physics.uc.edu>
1849 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1850 for LABEL_DECL before calling DECL_WEAK.
1853 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1854 LABEL_DECL and PARM_DECL.
1856 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1860 * c-decl.c (grokdeclarator): Disallow variably modified types at
1861 file scope. Avoid marking shared array type of constant size as
1864 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1867 * c-common.c (fold_offsetof_1): Handle static members.
1869 2006-06-04 Eric Christopher <echristo@apple.com>
1871 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1872 (debug_rli): Output value for remaining_in_alignment.
1873 (update_alignment_for_field): Unconditionalize
1874 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1875 extra alignment code.
1876 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1877 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1878 * tree.h (record_layout_info_s): Remove prev_packed.
1879 * doc/extend.texi (ms_struct): Add documentation of format.
1881 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1883 * tree.h: Declare folding_initializer.
1884 * builtins.c (fold_builtin_constant_p): Give definite answer
1885 if folding inside an initializer.
1886 * fold-const.c: Define folding_initializer.
1887 (START_FOLD_INIT): Save and then set folding_initializer.
1888 (END_FOLD_INIT): Restore folding_initializer.
1890 2006-06-04 Richard Guenther <rguenther@suse.de>
1892 PR tree-optimization/27039
1893 * fold-const.c (fold_comparison): Handle pointer comparison
1894 again for all comparison codes. Compare offsets in signed
1896 (fold_binary): Move code from here.
1898 2006-06-03 Roger Sayle <roger@eyesopen.com>
1901 * config/i386/i386.c (construct_container): Split static issued_error
1902 flag into issued_sse_arg_error, issued_sse_ret_error and
1903 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1904 requires the use of x87 registers and the user explicitly
1905 specified the -mno-80387 command line option.
1907 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1909 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1910 HAVE_DECL_SIGALTSTACK.
1912 (segv_handler): Use MC_FLD.
1913 * configure.ac: Check for a sigaltstack declaration.
1914 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1915 * configure: Regenerate.
1916 * config.in: Regenerate.
1918 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1921 * Makefile.in (stmp-fixinc): Fix typo.
1923 2006-06-02 Roger Sayle <roger@eyesopen.com>
1925 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1926 are type correct. Clean-up.
1927 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1928 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1930 2006-06-01 DJ Delorie <dj@redhat.com>
1932 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1933 shift, as we've disabled the "switch" insn that needs it.
1935 2006-06-01 Per Bothner <bothner@bothner.com>
1937 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1938 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1939 * c-ppoutput.c (cb_define): Don't increment line 0.
1941 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1943 * doc/invoke.texi: Add cpu_type power6.
1944 * config.gcc: Add cpu_type power6.
1945 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1946 to power5+ with Altivec.
1947 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1948 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1950 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1952 * config/avr/avr.h (SET_ASM_OP): Define.
1954 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1956 * config/bfin/bfin.c: Fix comment typos.
1958 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1961 * doc/install.texi: Document --enable-bootstrap and
1962 --disable-bootstrap.
1964 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1966 * doc/install.texi: Document that InfoZIP can replace jar.
1968 2006-05-31 Roger Sayle <roger@eyesopen.com>
1970 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1971 isn't available, directly generate the simpler x87 patterns without
1972 the (use (const_int 0)).
1973 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1974 implementation isn't available.
1975 (*negdf2_1): Likewise.
1976 (*negxf2_1): XF mode negation is always done using the x87.
1977 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1979 2006-05-31 Roger Sayle <roger@eyesopen.com>
1981 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1982 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1984 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1986 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1988 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1989 * config/bfin/bfin.c (basic-block.h): Include.
1990 (struct machine_function): New.
1991 (bfin_init_machine_status): New.
1992 (override_options): Initialize init_machine_status.
1993 (bfin_hardware_loop): New.
1994 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1995 (DEF_VEC_P (loop_info)): New.
1996 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1997 (struct loop_info): New.
1998 (loop_info): New typedef.
1999 (struct loop_work): New.
2000 (loop_work): New typedef.
2001 (DEF_VEC_O (loop_work)): New.
2002 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2003 (bfin_dump_loops): New.
2004 (bfin_bb_in_loop): New.
2005 (bfin_scan_loop): New.
2006 (bfin_optimize_loop): New.
2007 (bfin_reorg_loops): New.
2008 (bfin_reorg): Use bfin_reorg_loops.
2009 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2011 (I_REGNO_P): Simplify.
2012 (DP_REGNO_P, DPREG_P): New macros.
2013 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2014 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2015 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2016 Add LT_REGS, LC_REGS, LB_REGS.
2017 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2019 (REGNO_REG_CLASS): Deal with loop registers.
2020 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2022 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2023 New constants for loop registers.
2024 (UNSPEC_LSETUP_END): New.
2025 (seq_insns): New define_attr. Set it for appropriate insns.
2026 (movsi_insn): Add alternatives for move from/to
2027 loop count registers.
2028 (doloop_end): New define_expand.
2029 (loop_end): New define_insn.
2030 (define_split for bad doloop_end): New.
2031 (lsetup_with_autoinit): New define_insn.
2032 (lsetup_without_autoinit): New define_insn.
2033 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2034 * config/bfin/predicates.md (lc_register_operand): New.
2035 (lt_register_operand): New.
2036 (lb_register_operand): New.
2037 (nondp_register_operand): New.
2038 (nondp_reg_or_memory_operand): New.
2039 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2041 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2043 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2044 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2046 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2048 * Makefile.in (CATALOGS): Add po/ prefix.
2049 * configure: Regenerated.
2051 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2054 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2055 a shift operand before calling shift_op. Avoid redundant call of
2058 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2059 DJ Delorie <dj@redhat.com>
2061 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2062 we're inserting is a singlt-bit constant.
2064 2006-05-30 Roger Sayle <roger@eyesopen.com>
2066 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2067 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2069 2006-05-30 Roger Sayle <roger@eyesopen.com>
2071 PR tree-optimization/23452
2072 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2073 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2074 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2075 complex values and with -ffast-math for FP complex values.
2077 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2079 * c-common.h: Remove the prototype for yyparse.
2080 * rtl.h: Remove the prototype for init_loop.
2082 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2084 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2087 2006-05-30 Roger Sayle <roger@eyesopen.com>
2089 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2091 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2092 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2094 2006-05-30 Dirk Mueller <dmueller@suse.de>
2097 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2098 for CONSTANT_CLASS_P expresisons.
2100 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2103 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2105 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2107 PR tree-optimization/27779
2108 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2109 initial_condition instead of CHREC_LEFT.
2111 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2113 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2114 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2115 Make prototypes ISO C90.
2117 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2118 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2120 * see.c (see_analyze_one_def): Correct check.
2121 (see_get_extension_data): Check if extension is parallel.
2122 (see_get_extension_reg): Likewise.
2124 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2127 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2128 into register for (code == GTU).
2130 2006-05-29 Roger Sayle <roger@eyesopen.com>
2132 PR tree-optimization/24964
2133 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2134 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2135 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2136 abs(x)*abs(x) as x*x for scalar floating point modes.
2138 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2141 * lambda-code.c (perfect_nestify): Don't copy statements
2142 in the inner loop: move them to the inner loop header.
2144 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2147 * c-tree.texi: Document OpenMP directives and clauses.
2149 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2151 * varasm.c (globalize_decl): Fix indentation.
2153 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2156 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2157 pass_fre, pass_store_ccp, pass_copy_prop,
2158 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2159 pass_return_slot, pass_object_size, pass_lim,
2160 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2161 pass_loop_prefetch and pass_stdarg.
2163 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2165 * config/bfin/bfin.opt (mfdpic): New option.
2166 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2167 (EXTRA_MULTILIB_PARTS): Likewise.
2168 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2169 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2171 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2172 (CRT_CALL_STATIC_FUNCTION): New.
2173 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2175 (CRT_CALL_STATIC_FUNCTION): New.
2176 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2178 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2179 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2180 (initialize_trampoline): Changed to handle FD-PIC code generation.
2181 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2182 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2183 (override_options): Disallow -mid-shared-library -mfdpic combination.
2184 Can't do unaligned ops if FD-PIC.
2185 Turn off flag_pic if trying to generate non-id-shared-library
2186 non-fdpic code, since it's not supported.
2187 (bfin_assemble_integer): New function.
2188 (TARGET_ASM_INTEGER): Define.
2189 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2191 * config/bfin/crtn.s: Restore them.
2192 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2194 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2195 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2196 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2197 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2198 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2200 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2201 FDPIC_REGS and FDPIC_FPTR_REGS.
2202 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2203 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2204 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2205 (load_funcdescsi): New pattern.
2206 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2207 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2208 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2210 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2212 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2215 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2217 * tree-flow.h: Remove the prototype for add_type_alias.
2218 * tree-ssa-alias.c (add_type_alias): Remove.
2220 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2222 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2223 config/fr30/fr30.md, config/i386/i386-interix.h,
2224 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2225 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2226 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2227 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2228 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2229 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2230 Follow spelling conventions.
2231 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2232 Follow spelling conventions.
2234 2006-05-27 Richard Guenther <rguenther@suse.de>
2237 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2238 to produce a constant of value 1 of generic type.
2240 2006-05-27 Dirk Mueller <dmueller@suse.de>
2242 * cgraphunit.c (decide_is_function_needed): Fix wrong
2245 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2247 PR rtl-optimization/27661
2248 * reload.c (find_reloads): When reloading a VOIDmode constant
2249 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2250 use Pmode as mode of the reload register.
2252 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2254 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2255 is enabled at -O and above.
2257 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2260 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2263 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2266 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2267 for anonymous variables explicitly declared by front ends.
2269 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2271 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2272 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2273 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2274 ref-all pointers, run a finalization pass for them.
2275 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2276 (finalize_ref_all_pointers): New function.
2277 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2278 regular pointer type to a ref-all pointer type.
2279 (get_tmt_for): Return the special memory tag for ref-all pointers.
2281 2006-05-25 Richard Guenther <rguenther@suse.de>
2284 * fold-const.c (fold_binary): Do not look at the stripped
2285 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2287 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2289 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2290 for LT and GT if the computed range is effectively empty.
2292 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2295 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2296 mips_quad_format formats instead of ieee_single_format,
2297 ieee_double_format and ieee_quad_format formats, respectively.
2299 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2301 PR tree-optimization/27639
2302 PR tree-optimization/26719
2303 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2304 call to scev_probably_wraps_p.
2305 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2306 used_in_pointer_arithmetic_p, convert_step): Removed.
2307 (nowrap_type_p): New function.
2308 (scev_probably_wraps_p): Rewritten.
2309 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2310 chrec_convert if chrec_convert_aggressive might have been used.
2311 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2312 scev_direction): New functions.
2313 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2314 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2315 instead of convert_step.
2316 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2317 (convert_step): Declaration removed.
2318 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2320 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2322 * df-core.c: Added to header comments.
2323 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2324 df_ur_bb_info, df_urec_bb_info): Added comments.
2325 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2326 urec, ri problems): Fixed header comments.
2327 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2328 code from df_rd_transfer_function.
2330 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2332 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2333 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2334 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2336 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2338 * expr.c (undefined_operand_subword_p): New.
2339 (emit_move_multi_word): Do not generate move from undefined bits
2340 of a paradoxical subreg.
2342 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2344 PR rtl-optimization/27736
2345 * combine.c (replaced_rhs_value): New variable.
2346 (combine_instructions): Set it.
2347 (distribute_notes): When distributing a note in replaced_rhs_insn,
2348 check whether the value was used in replaced_rhs_value.
2350 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2353 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2354 add_referenced_var instead of add_referenced_tmp_var.
2355 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2356 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2358 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2359 tree_optimize_tail_calls_1): Use add_referenced_var.
2360 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2361 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2362 Use add_referenced_var.
2363 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2364 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2365 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2366 Use add_referenced_var.
2367 * tree-dfa.c (struct walk_state): Remove.
2368 (find_referenced_vars): Remove walk state and vars_found hash table.
2369 (make_rename_temp): Use add_referenced_var.
2370 (find_vars_r): Pass less parameters to add_referenced_var.
2371 (referenced_var_p): New. Is var in referenced_var hash table.
2372 (referenced_var_insert): Assert var isn't already in hash table.
2373 (add_referenced_var): Don't need walk_state parameter. Add var if it
2374 isn't already in the hash table.
2375 (add_referenced_tmp_var): Remove.
2376 (find_new_referenced_vars_1): Use add_referenced_var.
2377 * tree-ssa-pre.c (create_expression_by_pieces,
2378 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2379 Use add_referenced_var.
2380 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2381 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2382 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2384 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2385 vect_create_data_ref_ptr, vect_create_destination_var,
2386 vect_init_vector, vect_build_loop_niters,
2387 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2388 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2389 Use add_referenced_var.
2390 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2391 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2392 (add_referenced_var): Add prototype.
2393 * tree-ssa-structalias.c (get_constraint_for,
2394 intra_create_variable_infos): Use add_referenced_var.
2396 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2398 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2399 big-endian paradoxical subregs.
2400 * var-tracking.c (struct micro_operation_def): Document that,
2401 for modify micro operations, insn is the subsequent instruction.
2402 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2403 (var_reg_set, var_mem_set): ... new functions.
2404 (add_stores): Record subsequent insn.
2405 (compute_bb_dataflow): Use new functions for MO_USE.
2406 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2407 notes after the insn, and modify notes before the insn known
2408 to be the subsequent one.
2409 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2411 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2414 * config/i386/i386.c (ix86_expand_builtin): Use
2415 gen_sse3_monitor64 for TARGET_64BIT.
2417 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2419 PR rtl-optimization/26375
2420 PR rtl-optimization/26855
2421 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2423 (df_ru_bb_local_compute): Reversed statements and removed bogus
2424 comment explaining why they should be in wrong order.
2425 (df_ru_dump, df_rd_dump): Enhanced debug info.
2426 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2428 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2429 reaching uses and fixed space problem.
2431 2006-05-23 Jan Hubicka <jh@suse.cz>
2433 * cgraphunit.c (decide_is_function_needed): Also nested functions
2434 and functions declared inline can be optimized out at -O0.
2436 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2438 * doc/install.texi (Configuration): Remove reference to CrossGCC
2442 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2445 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2446 ix86_compare_emitted is non-NULL.
2448 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2451 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2454 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2456 PR rtl-optimization/25514
2457 * combine.c (replaced_rhs_insn): New variable.
2458 (combine_instructions): Set replaced_rhs_insn when trying to replace
2459 a SET_SRC with a REG_EQUAL note.
2460 (distribute_notes): Use replaced_rhs_insn when determining the live
2461 range of a REG_DEAD register.
2463 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2464 Anatoly Sokolov <aesok@post.ru>
2466 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2467 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2468 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2469 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2470 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2471 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2472 at90usb647, at90usb1286 and at90usb1287 devices.
2473 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2474 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2476 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2478 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2480 2006-05-22 Richard Guenther <rguenther@suse.de>
2483 2006-01-31 Richard Guenther <rguenther@suse.de>
2484 Paolo Bonzini <bonzini@gnu.org>
2486 * doc/install.texi (--disable-libgcc-math): Document.
2488 2006-05-22 Richard Guenther <rguenther@suse.de>
2491 2006-01-31 Richard Guenther <rguenther@suse.de>
2493 * doc/invoke.texi (-msselibm): Document.
2494 * target.h (expand_library_builtin): New target hook.
2495 * builtins.c (expand_builtin): Use expand_library_builtin.
2496 (default_expand_library_builtin): New function.
2497 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2498 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2499 (link_gcc_math_spec): Declare.
2500 (static_specs): Add link_gcc_math_spec.
2501 * expr.h (default_expand_library_builtin): Declare.
2502 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2503 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2504 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2505 * config/i386/i386.opt (msselibm): New target option.
2506 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2507 (ix86_init_sse_abi_builtins): New function.
2508 (ix86_expand_library_builtin): Likewise.
2509 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2510 (override_options): Handle error conditions wrt -msselibm.
2511 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2512 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2513 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2516 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2519 * c-common.c (self_promoting_args_p): Skip erroneous args.
2522 * c-decl.c (finish_struct): Skip erroneous fields.
2524 2006-05-22 Nick Clifton <nickc@redhat.com>
2526 * config/cris/cris.opt (march): Remove VarExists attribute.
2527 (max-stackframe=): Likewise.
2529 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2531 * doc/rtl.texi: Fix a typo.
2532 * see.c: Fix comment typos.
2534 * tree-ssa-structalias.h (alias_info): Remove num_references.
2536 2006-05-21 Mike Stump <mrs@apple.com>
2538 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2540 (darwin_pragma_options): Use BAD instead.
2541 (darwin_pragma_unused): Likewise.
2542 (darwin_pragma_ms_struct): Likewise.
2544 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2546 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2548 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2550 PR rtl-optimization/27671
2551 * simplify-rtx.c (simplify_relational_operation_1): Fix
2552 simplifications of (eq/ne (xor x y) y) and
2553 (eq/ne (xor x y) x).
2555 PR tree-optimization/26622.
2556 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2559 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2561 * tree-cfg.c: Prune whitespace.
2562 (debug_tree_cfg): Point to correct header containing the
2565 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2568 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2570 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2573 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2574 or sorry count is non zero.
2576 2006-05-20 Andreas Schwab <schwab@suse.de>
2578 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2580 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2581 Kenneth Zadeck <zadeck@naturalbridge.com>
2583 PR rtl-optimization/26855
2585 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2587 (df_scan_alloc): Added code to properly handle multiword hard
2588 registers and add all_blocks parameter.
2589 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2590 code to properly handle multiword hard registers.
2591 (df_rescan_blocks): Added code to remove deleted blocks from
2593 (df_ref_create_structure, df_ref_record): Added code to properly
2595 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2596 and set DF_REF_PARTIAL.
2597 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2598 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2599 (df_scan_add_problem): Added flags parameter.
2600 (df_ref_create_structure): Changed switching structure.
2601 (df_bb_refs_record): Fixed case where duplicate artificial refs
2602 were created. Changed location of flags.
2603 (df_record_entry_block_defs): Added code to make stack pointer
2604 live in entry block. Refined cases where frame pointer is needed.
2605 Changed location of flags.
2606 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2607 (df_set_state): Removed function.
2608 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2609 df_insn_create_insn_record, df_insn_refs_delete,
2610 df_ref_create_structure): Formatting changes.
2611 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2612 df_delete_basic_block): New function.
2613 (df_init): Changed location of flags.
2614 (df_add_problem): Added flags parameter and the way flags are
2616 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2617 debug_df_chain): Improved debugging output.
2618 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2619 (df_refs_chain_dump): Removed df parameter.
2620 (df_iterative_dataflow): Added consistency check.
2621 (df_prune_to_subcfg): Made public.
2622 (df_analyze_problem): Added blocks_to_init parameter and made
2624 (df_ref_record, df_bb_refs_record, df_mark_reg,
2625 df_record_exit_block_uses): Whitespace changes.
2626 (df_dump): Whitespace changes.
2627 * df.h: Some reordering to remove forward references.
2628 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2629 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2630 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2631 (dataflow.flags): New field.
2632 (df.flag): Deleted field.
2633 (df_alloc_function): Added additional bitmap parameter.
2634 (df_dependent_problem_function): New type.
2635 (df_problem.changeable_flags): New field.
2636 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2637 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2638 (df_mw_hardreg): New struct.
2639 (DF_INSN_UID_MWS): New macro.
2640 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2642 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2643 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2644 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2645 (df_set_state): Removed function.
2646 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2647 * df-problems.c (df_chain_dump): Removed df parameter.
2648 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2649 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2651 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2652 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2653 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2654 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2655 DF_REF_MUST_CLOBBER cases.
2656 (df_ru_bb_local_compute_process_def,
2657 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2658 df_lr_bb_local_compute, df_ur_bb_local_compute,
2659 df_chain_create_bb): Made subreg aware.
2660 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2661 df_lr_bb_local_compute, df_lr_bb_local_compute,
2662 df_chain_create_bb): Cleanup to use proper macros.
2663 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2664 code to fixup bitvectors.
2665 (df_ri_alloc): Cleared lifetime.
2666 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2667 df_create_unused_note): New function.
2668 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2669 REG_DEAD and REG_UNUSED notes as well as register information.
2670 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2671 df_chains_dump): Fixed crash if problem was never run.
2672 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2673 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2674 df_ri_add_problem): Processes flags in uniform manner.
2675 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2676 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2677 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2678 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2679 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2680 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2681 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2682 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2683 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2684 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2685 * see.c (see_initialize_data): Ditto.
2686 * final.c (rest_of_clean_state) Added regstack_completed.
2687 * rtl.h (regstack_completed): Ditto.
2688 * reg-stack.c (regstack_completed): Ditto.
2690 2006-05-19 Mike Stump <mrs@apple.com>
2692 * c-tree.h (default_conversion): Remove.
2693 * c-common.h (default_conversion): Add.
2695 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2697 * tree-vrp.c (valid_value_p): New function.
2698 (adjust_range_with_scev): Fail if the value of bound is not
2701 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2703 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2704 (mips_fallback_frame_state): Use syscall numbers to determine
2705 the appropriate li instruction for the current ABI. Only use
2706 __NR_sigreturn for o32.
2708 2006-05-19 Nicolas Setton <setton@adacore.com>
2710 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2711 * langhooks.c (lhd_dwarf_name): New function.
2712 * langhooks-def.h (lhd_dwarf_name): Declare.
2713 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2714 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2715 * ada/misc.c (gnat_dwarf_name): New function.
2716 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2718 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2720 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2722 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2723 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2724 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2725 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2726 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2727 determine the size of Wtype, etc.
2728 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2729 (swfloatfuncs): New variable.
2730 (dwfloatfuncs): Likewise.
2731 (lib2funcs): Remove floating-point conversion functions from
2732 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2733 the set of conversion routines needed. Allow entries to specify
2734 an object name, filename and word size. Update users accordingly.
2735 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2736 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2740 2006-02-08 Roger Sayle <roger@eyesopen.com>
2743 * config/fixtfdi.c: New libgcc source file.
2744 * config/fixunstfdi.c: New source file.
2745 * config/floatditf.c: New source file.
2746 * config/floatunditf.c: New souce file.
2747 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2748 files above instead of config/mips/_tilib.c.
2749 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2751 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2753 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2754 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2756 2006-05-18 Mike Stump <mrs@apple.com>
2758 Fix up vla, vm and [*] sematics.
2764 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2765 (c_vla_unspec_p): Add.
2766 (c_vla_type_p): Add.
2767 * c-decl.c (struct c_scope): Add had_vla_unspec.
2768 (build_array_declarator): Add support for [*].
2769 (grokdeclarator): Likewise.
2770 (grokparms): Likewise.
2771 (get_parm_info): Likewise.
2772 * c-objc-common.c (c_vla_unspec_p): Likewise.
2773 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2774 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2775 typeof when argument is a variably modified type not inside sizeof or alignof.
2776 (c_parser_direct_declarator_inner): Propagate errors.
2777 (c_parser_sizeof_expression): Add support for [*].
2778 (c_parser_parms_declarator): Initialize had_vla_unspec.
2779 (c_parser_parms_list_declarator): Likewise.
2780 * c-typeck.c (c_vla_type_p): Add.
2781 (composite_type): Add support for vla compositing.
2782 (comptypes_internal): Add support for vla compatibility.
2783 (c_expr_sizeof_expr): Evaluate vla arguments.
2784 * tree.c (variably_modified_type_p): Update comment for [*].
2786 2006-05-18 Michael Matz <matz@suse.de>
2789 * config.host: Make assignments to host_xmake_file cumulative.
2790 * config.host (*-darwin*): Test $host, not $target.
2792 2006-05-12 Stuart Hastings <stuart@apple.com>
2794 * config/i386/i386.opt (-mstackrealign): New flag.
2795 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2796 (ix86_handle_cconv_attribute): Emit error when
2797 force_align_arg_pointer attribute collides with too many regparms.
2798 (ix86_function_regparm): Limit regparms when used with
2799 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2800 Support stack-realigning prologue in non-main functions. Emit
2801 warning for nested functions under -mstackrealign, emit error for
2802 nested functions with force_align_arg_pointer attribute.
2803 * doc/extend.texi (force_align_arg_pointer): Document it.
2804 * doc/invoke.texi (-mstackrealign): Document it.
2806 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2808 PR rtl-optimization/27477
2809 * combine.c (try_combine): Don't split a parallel consisting
2810 of two sets into two individual sets if both sets reference
2813 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2815 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2816 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2818 * doc/options.texi (VarExists): Updated.
2820 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2822 * unwind-dw2.c: Add declarations for uw_update_context and
2824 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2825 detected, advance frame state and context once to skip over stub.
2827 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2831 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2832 Call rewrite_into_loop_closed_ssa only when something changed.
2833 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2834 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2835 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2836 Test for perfect_nest_p here. Fix formating.
2837 (replace_uses_equiv_to_x_with_y): Fix formating.
2838 (stmt_uses_op): Removed.
2839 (can_convert_to_perfect_nest): Removed loopivs parameter.
2840 Complete the test by checking the scalar dependences.
2841 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2844 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2847 From Dan Kegel <dank@kegel.com>:
2848 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2850 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2852 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2853 if the element type is variably modified without recursing.
2855 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2858 * tree-loop-linear.c (try_interchange_loops): Test for
2859 no data dependences.
2861 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2863 PR tree-optimization/27548
2864 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2865 range of ssa names that appear on abnormal edges.
2866 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2867 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2869 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2872 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2874 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2877 * tree.h (OMP_PARALLEL_COMBINED): Define.
2878 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2879 (new_omp_context): Add is_combined_parallel argument.
2880 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2881 new_omp_context caller.
2882 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2883 Adjust gimplify_scan_omp_clauses callers.
2884 (omp_is_private): Issue errors if iteration variable is firstprivate
2885 or reduction in the current context.
2886 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2887 on combined parallel workshare constructs.
2889 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2891 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2892 (gcc-options.o): New rule.
2894 * optc-gen.awk: Protect variables for gcc-options.o with
2895 #ifdef GCC_DRIVER/#endif.
2897 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2899 Fix PR tree-optimization/27373
2900 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2901 (forward_propagate_addr_expr): Update call.
2903 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2905 * doc/options.texi: Move the Negative option.
2907 2006-05-16 Richard Guenther <rguenther@suse.de>
2909 PR tree-optimization/22303
2910 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2912 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2913 ccp_fold did not simplify the statement.
2915 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2918 * Makefile.in (GCC_OBJS): New.
2919 (OBJS-common): Add opts-common.o.
2920 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2921 (cpp$(exeext)): Likewise.
2922 (gcc.o): Also depend on opts.h.
2923 (opts-common.o): New.
2925 * common.opt (gcoff): Add Negative(gdwarf-2).
2926 (gdwarf-2): Add Negative(gstabs).
2927 (gstabs): Add Negative(gstabs+).
2928 (gstabs+): Add Negative(gvms).
2929 (gvms): Add Negative(gxcoff).
2930 (gxcoff): Add Negative(gxcoff+).
2931 (gxcoff+): Add Negative(gcoff).
2932 * config/i386/i386.opt (m32): Add Negative(m64).
2933 (m64): Add Negative(m32).
2935 * doc/options.texi: Document the Negative option.
2937 * gcc.c: Include "opts.h".
2938 (main): Call prune_options after expandargv.
2940 * optc-gen.awk: Generate common declarations for all flag
2941 variables in options.c. Output the neg_index field.
2943 * opts.c (find_opt): Moved to ...
2944 * opts-common.c: Here. New file.
2946 * opts.h (cl_option): Add a neg_index field.
2948 (prune_options): Likewise.
2950 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2953 * omp-low.c (expand_omp_parallel): Don't assert
2954 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2955 instead search for it.
2958 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2961 2006-05-16 Andreas Schwab <schwab@suse.de>
2963 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2966 2006-05-15 Roger Sayle <roger@eyesopen.com>
2969 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2970 integer constants other than zero are only legitimate on TARGET_64BIT.
2971 <CONST_VECTOR> Only zero vectors are legitimate.
2972 (ix86_cannot_force_const_mem): Integral and vector constants can
2973 always be put in the constant pool.
2975 2006-05-16 DJ Delorie <dj@redhat.com>
2977 * crtstuff.c (__dso_handle): Set section from
2978 TARGET_LBIGCC_SDATA_SECTION if defined.
2979 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2980 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2982 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2985 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2988 2006-05-16 Ben Elliston <bje@au.ibm.com>
2990 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2992 2006-05-15 Per Bothner <per@bothner.com>
2994 * tree.c: (last_annotated_node): Use source_locus typedef.
2995 This permits bootstrapping with --enable-mapped-location.
2997 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2999 PR tree-optimization/26830
3000 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3001 (info_for_ssa_name, current_info_for_ssa_name_age,
3002 blocks_to_update): New variables.
3003 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3004 (clear_ssa_name_info, initialize_flags_in_bb,
3005 mark_block_for_update): New functions.
3006 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3007 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3008 prepare_def_site_for): Use mark_block_for_update.
3009 (mark_def_interesting): Assert that the processed block is marked in
3010 blocks_to_update. Do not take blocks argument.
3011 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3013 (rewrite_update_init_block, rewrite_update_stmt): Only process
3014 blocks with statements to rewrite.
3015 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3016 (update_ssa): Initialize and free blocks_to_update. Do not
3017 clear flags on statements. Do not use blocks bitmap.
3018 * tree.h (SSA_NAME_AUX): Removed.
3019 (struct tree_ssa_name): Removed aux field.
3020 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3022 2006-05-15 Richard Guenther <rguenther@suse.de>
3024 PR tree-optimization/27603
3025 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3026 Do computations in original type.
3028 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3030 * see.c: Code style changes such as redundant paranthesis,
3031 redundant intialization of local variables etc.
3032 (see_main): Declared now as static.
3033 * doc/invoke.texi: Update that -fsee is not enabled by
3036 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3038 * omp-low.c (check_omp_nesting_restrictions): New function.
3039 (scan_omp_1): Call it.
3042 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3043 construct, return *VAR.
3045 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3047 PR rtl-optimization/27406
3048 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3051 2006-05-14 Roger Sayle <roger@eyesopen.com>
3053 PR rtl-optimization/27538
3054 * combine.c (expand_compound_operation): Call gen_lowpart
3055 before calling simplify_shift_const.
3057 2006-05-14 Roger Sayle <roger@eyesopen.com>
3059 PR rtl-optimization/22563
3060 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3061 a fixed width bitfield, always force the intermediates into psuedos.
3063 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3066 * mkconfig.sh: Use operator = instead of == for test.
3068 2006-05-13 Nick Clifton <nickc@redhat.com>
3070 * dwarf2out.c (dbx_reg_number): Check return value from
3071 LEAF_REG_REMAP and only use it if it is valid.
3072 (multiple_reg_loc_descriptor): Likewise.
3074 2006-05-13 Richard Guenther <rguenther@suse.de>
3076 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3079 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3081 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3082 information attached to non-INSNs such as NOTEs.
3083 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3085 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3087 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3089 * config/s390/s390.md: Adjust comment describing On constraint.
3091 2006-05-11 Jan Hubicka <jh@suse.cz>
3093 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3094 to be output at -O0.
3096 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3099 * fold-const.c (size_binop): Move sanity check for arguments to
3100 the beginning of the function.
3103 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3106 2006-05-11 Richard Guenther <rguenther@suse.de>
3109 * fold-const.c (fold_unary): Handle intermediate conversion
3110 to a pointer type like intermediate conversion to an integer
3111 type in folding of (T1)(T2)var to var.
3112 Match the code to the comment in the final conversion for
3113 (T1)(T2)var to (T1)var regarding to type precision. Rather
3114 than disallow T1 being of pointer type, assert that both T1
3115 and var are of pointer type or not. Make sure not to fall
3116 over the frontends lazyness wrt array to pointer decay though.
3118 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3120 * arm.c (arm_struct_value_rtx): Delete.
3121 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3122 (arm_init_cumulative_args): Always initialize nregs to zero.
3124 2006-05-10 Richard Guenther <rguenther@suse.de>
3126 PR tree-optimization/27532
3127 * tree-object-size.c (plus_expr_object_size): Fix typo.
3129 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3132 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3133 ashrdi_const, ashrdi3): Use a scratch register.
3135 2006-05-10 Richard Guenther <rguenther@suse.de>
3137 PR tree-optimization/27302
3138 * fold-const.c (operand_equal_p): For two comparisons,
3139 try comparison of one comparison code swapped if that yields
3142 2006-05-10 Ben Elliston <bje@au.ibm.com>
3144 * tree-pretty-print.c (pretty_print_string): No need to handle
3145 '\0' as a special character.
3147 * tree.h: Include "hashtab.h".
3148 (iterative_hash_expr): Use hashval_t in its prototype.
3149 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3151 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3154 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3155 (hppa*64*-*-hpux11*): Ditto.
3156 (hppa[12]*-*-hpux11*): Ditto.
3158 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3161 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3163 2006-05-09 Michael Matz <matz@suse.de>
3165 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3166 host_extra_gcc_objs and host_xmake_file.
3167 (<*-*-linux*>): Don't overwrite host_xmake_file.
3168 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3169 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3170 (host_detect_local_cpu): Declare.
3171 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3172 * config/i386/i386.c (override_options): Handle -mtune=native
3174 * config/i386/x-i386: New file.
3175 * config/i386/driver-i386.c: New file.
3176 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3179 2006-05-09 Dirk Mueller <dmueller@suse.de>
3180 Richard Guenther <rguenther@suse.de>
3183 * fold-const.c (fold_read_from_constant_string): Relax check
3184 for matching types to matching modes.
3186 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3188 PR rtl-optimization/27335
3189 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3192 2006-05-08 Chao-ying Fu <fu@mips.com>
3193 Richard Sandiford <richard@codesourcery.com>
3195 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3196 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3197 * config/mips/mips.md (UNSPEC_SCC): New constant.
3198 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3199 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3200 (mips_emit_compare): Use it.
3201 (mips_expand_vcondv2sf): New function.
3203 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3205 Fix PR tree-optimization/27093
3206 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3207 renaming when they become not-used_alone.
3209 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3211 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3212 relocation and relocation stubs.
3214 2006-05-08 Eric Christopher <echristo@apple.com>
3216 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3219 2006-05-08 Jan Hubicka <jh@suse.cz>
3222 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3223 unused static functions are needed.
3225 2006-05-08 Roger Sayle <roger@eyesopen.com>
3228 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3229 of a reg_equiv_constant if the result is a legitimate constant.
3231 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3234 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3235 standard 80387 constants, raise the cost to prevent
3236 compress_float_constant() to generate load from memory.
3238 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3240 * config/arm/constraints.md (c): Fix a typo.
3242 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3245 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3248 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3250 (_mm_mwait): Likewise.
3252 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3254 (sse3_monitor): Make it 32bit only.
3255 (sse3_monitor64): New. 64bit monitor.
3257 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3260 * config/i386/i386.c (classify_argument): Skip fields with invalid
3263 2006-05-07 Richard Guenther <rguenther@suse.de>
3265 PR tree-optimization/27409
3266 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3267 Do not try to find zero-sized subvars.
3269 2006-05-07 Richard Guenther <rguenther@suse.de>
3271 PR tree-optimization/27136
3272 * tree-ssa-loop-niter.c (get_val_for): Correct function
3273 comment, assert requirements.
3274 (loop_niter_by_eval): Stop processing if the iterated
3275 value did not simplify.
3277 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3279 * opts.c (flag_see): remove its setting at -O3.
3281 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3283 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3284 * arm/constraints.md: New file.
3285 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3286 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3287 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3288 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3289 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3290 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3291 * arm.md: Include constraints.md.
3292 (thumb_movsi_insn): Use satisfies_constraint_J.
3293 (movhi, movqi): Use satisfies_constraint_I.
3295 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3297 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3298 for atmeg a645 device.
3300 2006-05-06 Richard Guenther <rguenther@suse.de>
3302 PR tree-optimization/27151
3303 * tree-vect-transform.c (vectorizable_condition): Punt on
3304 values that have a different type than the condition.
3306 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3309 * c-parser.c (c_parser_cast_expression): Only insert casts into
3310 hash table if pointer.
3311 * function.c (used_types_insert_helper): Rename from
3313 (used_types_insert): Call used_types_insert_helper.
3314 * function.h (used_types_insert): Accept only one argument.
3316 2006-05-05 David Edelsohn <edesohn@gnu.org>
3318 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3319 scratch with output modifier.
3321 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3324 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3325 with output modifier.
3327 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3330 * config/mips/mips.c (mips_symbolic_address_p): Return true
3331 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3332 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3334 2006-05-04 Richard Guenther <rguenther@suse.de>
3336 PR tree-optimization/14287
3337 PR tree-optimization/14844
3338 PR tree-optimization/19792
3339 PR tree-optimization/21608
3340 PR tree-optimization/27090
3341 * tree-ssa-pre.c (try_combine_conversion): New function.
3342 (compute_avail): After constructing the value-handle
3343 expression, use try_combine_conversion to combine NOP_EXPRs
3344 with previous value-handle expressions and use the result if it
3347 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3349 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3351 2006-05-04 Jan Hubicka <jh@suse.cz>
3354 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3356 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3358 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3359 that this only matches CONST_INTs. All users changed to VOIDmode
3362 * config/bfin/bfin.c: Include "optabs.h".
3363 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3365 (enum bfin_builtins): Add a number of fractional and vector builtins.
3366 (bfin_init_builtins): Likewise.
3367 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3368 (safe_vector_operand, bfin_expand_binop_builtin,
3369 bfin_expand_unop_builtin): New functions.
3370 (bfin_expand_builtin): Handle the new builtins.
3371 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3374 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3377 * Makefile.in (OBJS-common): Add see.o.
3378 (see.o): Add dependencies.
3379 * common.opt (fsee): New flag for the see optimization was added.
3380 * opts.c (flag_see): Initialized.
3381 * passes.c (init_optimization_passes, pass_see): New pass.
3382 * rtl.h (see_main): Declaration as extern.
3383 * timevar.def (TV_SEE): New.
3384 * tree-pass.h (pass_see): Declaration as extern.
3385 * invoke.texi (-fsee): Document.
3386 * recog.c (validate_simplify_insn): New function.
3387 * recog.h (validate_simplify_insn): Declaration as extern.
3388 * df-problems.c (df_chain_dump): Check for NULL.
3390 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3391 Daniel Berlin <dberlin@dberlin.org>
3393 * cfgrtl.c (insert_insn_bb_end_new): New function.
3394 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3396 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3398 * df.h (struct web_entry): Moved from web.c.
3399 (union_defs): Declaration as extern.
3400 (unionfind_root): Likewise.
3401 (unionfind_union): Likewise.
3402 * web.c (struct web_entry): Moved to df.h.
3403 (unionfind_root): Remove static declaration.
3404 (unionfind_union): Likewise.
3405 (union_defs): Likewise and generalize to use callback function.
3406 (web_main): Update arguments for union_defs function call.
3408 2006-05-04 Richard Guenther <rguenther@suse.de>
3410 PR tree-optimization/26447
3411 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3412 produce SSA_NAME copies before the store stmt to avoid
3413 breaking exception handling.
3415 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3418 * gimplify.c (omp_is_private): If var is shared in some outer context,
3419 return false instead of true. Stop searching on parallel context
3422 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3425 * coverage.c: Use get_gcov_unsigned_t() instead of
3426 unsigned_type_node all over.
3428 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3430 PR tree-optimization/27381
3431 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3432 maintain the same immediate_use links.
3433 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3434 node rather than segfaulting.
3436 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3439 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3440 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3441 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3443 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3445 Fix PR tree-optimization/26626
3446 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3448 * tree-ssa-operands.c (access_can_touch_variable): Allow
3449 typecasting through union pointers.
3451 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3454 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3455 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3456 to find if var will be a global variable even in the nested context.
3457 (omp_copy_decl): Only check for global variable at the end, it might
3458 be overridden in outer contexts.
3459 (scan_sharing_clauses): For global variables don't create a field.
3460 (lower_rec_input_clauses): Do nothing for global shared variables.
3461 Emit a barrier at the end of ILIST if there were any decls in both
3462 firstprivate and lastprivate clauses.
3463 (lower_send_clauses): Do nothing for global variables except for
3466 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3468 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3469 of the correct signedness is returned.
3471 2006-05-02 Jeff Law <law@redhat.com>
3473 PR tree-optimization/27364
3474 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3475 multiply expressions.
3477 2006-05-02 Tom Tromey <tromey@redhat.com>
3479 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3481 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3484 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3485 -mthumb -fPIC are used.
3487 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3488 Joshua Kinard <kumba@gentoo.org>
3491 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3492 with 64-bit pointers.
3494 2006-05-02 Paul Brook <paul@codesourcery.com>
3496 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3498 (create_fix_barrier): Check that a suitable barrier location is
3500 (arm_reorg): Include ftmp->address in allowable range of addresses.
3502 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3505 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3508 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3511 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3512 around RESULT_DECL for result passed by reference.
3513 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3514 * omp-low.c (use_pointer_for_field): Don't look at
3515 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3516 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3517 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3518 time or var for passing by reference for
3519 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3520 TREE_ADDRESSABLE variables when passing by reference.
3522 * omp-low.c (dump_omp_region): Fix output formatting.
3525 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3526 (expand_omp_parallel): Likewise.
3527 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3530 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3531 on statement list containing also constructors and destructors.
3532 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3535 * except.c (duplicate_eh_regions): Fix clearing of
3536 cfun->eh->region_array entries.
3538 2006-05-01 DJ Delorie <dj@redhat.com>
3540 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3542 (gcc_cv_objdump): Likewise.
3543 * configure: Regenerated.
3545 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3548 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3549 templates for case 3 and 4.
3551 2006-05-01 DJ Delorie <dj@redhat.com>
3553 * vec.c: Include bconfig.h when appropriate.
3554 * Makefile.in (build/vec.o): Adjust dependencies.
3555 * mkconfig.sh: Make sure config.h isn't used for build machine
3558 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3560 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3562 (mark_phi_for_rewrite): New function.
3563 (insert_phi_nodes_for, mark_use_interesting): Call
3564 mark_phi_for_rewrite.
3565 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3566 (update_ssa): Initialize and free phis_to_rewrite.
3568 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3570 PR rtl-optimization/27291
3571 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3572 folded to a constant.
3574 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3576 PR tree-optimization/27283
3577 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3578 not whole # of iteration descriptions.
3579 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3580 uses abnormal ssa name.
3581 (niter_for_single_dom_exit): Ditto.
3582 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3583 return just the number of iterations.
3585 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3587 PR tree-optimization/27144
3588 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3589 (record_estimate): Only record constant upper bound.
3590 (infer_loop_bounds_from_undefined): Call
3591 compute_estimated_nb_iterations just once.
3592 (proved_non_wrapping_p): Renamed to ...
3593 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3594 (convert_step_widening, scev_probably_wraps_p): Call
3595 n_of_executions_at_most instead of proved_non_wrapping_p.
3596 (substitute_in_loop_info): Do not replace values in bounds.
3597 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3600 2006-05-01 Richard Henderson <rth@redhat.com>
3603 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3604 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3607 2006-05-01 Roger Sayle <roger@eyesopen.com>
3609 * c-typeck.c (parser_build_binary_op): Don't call the function
3610 unsigned_conversion_warning to spot operand/result type overflow.
3611 (build_binary_op): Instead, call convert_and_check instead of
3612 convert to report the problem when the operands are promoted.
3613 * c-common.c (unsigned_conversion_warning): Make static.
3614 * c-common.h (unsigned_conversion_warning): Delete prototype.
3616 2006-05-01 Richard Guenther <rguenther@suse.de>
3618 PR tree-optimization/26726
3619 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3621 (find_interesting_uses_address): ... we work around here
3622 by folding INDIRECT_REFs in the substituted base.
3624 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3626 * omp-low.c (dump_omp_region): Add newlines.
3628 2006-04-30 Roger Sayle <roger@eyesopen.com>
3630 * common.opt (Woverflow): New command line option.
3631 * c-common.c (constant_expression_warning): Check warn_overflow.
3632 (overflow_waring): Pass OPT_Woverflow to warning.
3633 (unsigned_conversion_warning): Likewise.
3634 (convert_and_check): Likewise.
3635 * doc/invoke.texi: Document new command line option.
3637 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3639 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3640 TARGET_NO_FP_IN_TOC for section anchors.
3641 (optimization_options): Enable section anchors for all
3642 non-"Objective" languages.
3644 2006-04-28 Eric Christopher <echristo@apple.com>
3646 * config/darwin-c.c (darwin_ms_struct): Move this
3647 (darwin_set_default_type_attributes): and this...
3648 * config/darwin.c: ... here.
3649 * config/darwin.h (darwin_ms_struct): Declare.
3651 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3653 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3655 2006-04-28 Roger Sayle <roger@eyesopen.com>
3658 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3659 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3660 an unsigned HOST_WIDE_INT.
3661 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3663 (really_start_incremental_init): No need to call convert because
3664 bitsize_zero_node is already of type bitsizetype.
3665 (push_init_level): Extract the value of constructor_index as an
3666 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3667 (process_init_element): Likewise.
3669 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3671 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3672 value before passing to make_relative_prefix.
3674 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3677 * builtins.c (expand_builtin_memset): Expand val in original mode.
3679 2006-04-27 Eric Christopher <echristo@apple.com>
3681 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3682 with #ifndef/#endif.
3683 * config/darwin-c.c (darwin_ms_struct): New.
3684 (darwin_pragma_ms_struct): Ditto.
3685 (darwin_set_default_type_attributes): Ditto.
3686 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3687 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3688 Register ms_struct pragma.
3689 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3690 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3691 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3692 darwin_set_default_type_attributes if TARGET_MACHO.
3694 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3696 PR tree-optimization/26854
3697 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3698 * doc/tree-ssa.texi: Update immuse iterator documentation.
3699 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3700 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3701 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3702 first_safe_imm_use, next_safe_imm_use): Remove.
3703 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3704 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3705 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3706 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3707 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3708 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3709 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3710 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3711 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3712 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3713 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3714 (perfect_nestify): Use new iterator.
3715 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3717 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3718 (next_imm_name): New field in struct immediate_use_iterator_d.
3719 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3720 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3721 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3722 * tree-cfg.c (replace_uses_by): Use new iterator.
3723 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3724 * tree-ssa-operands.c (correct_use_link): Remove.
3725 (finalize_ssa_use_ops): No longer call correct_use_link.
3727 2006-04-27 Stuart Hastings <stuart@apple.com>
3729 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3730 * config/t-darwin (crt3.o): Use it.
3731 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3732 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3733 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3734 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3735 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3738 2006-04-27 Roger Sayle <roger@eyesopen.com>
3740 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3741 size, force the intermediate into a new pseudo rather instead of
3742 performing both a bitwise AND and a bitwise IOR in memory.
3744 2006-04-27 Richard Guenther <rguenther@suse.de>
3746 PR rtl-optimization/26685
3747 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3748 this one "max-flow-memory-locations".
3750 2006-04-27 Richard Guenther <rguenther@suse.de>
3752 PR tree-optimization/25148
3753 * tree-vrp.c (compare_values): Remove code dealing with
3754 comparisons against type min/max value. Honour overflow
3755 and negative constants in code dealing with comparisons
3756 of plus and minus expressions.
3757 (value_inside_range): Use fold_binary with LE_EXPR and
3758 GE_EXPR rather than compare_values.
3760 2006-04-27 Dirk Mueller <dmueller@suse.de>
3762 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3765 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3767 * basic-block.h (safe_insert_insn_on_edge): Removed.
3768 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3770 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3771 Paolo Bonzini <bonzini@gnu.org>
3774 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3775 (simplify_and_const_int): Same.
3777 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3779 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3781 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3784 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3785 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3786 cgraph_global_info_ready.
3789 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3792 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3793 either decl or init is error_mark_node.
3796 * tree-flow.h (struct omp_region): Add sched_kind.
3797 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3798 instead of extracting omp for data.
3799 (expand_omp_for): Save extracted sched_kind.
3801 2006-04-25 Roger Sayle <roger@eyesopen.com>
3803 * expmed.c (store_bit_field): Also check whether the bitsize is
3804 valid for the machine's "insv" instruction before moving the
3805 target into a pseudo for use with the insv.
3806 * config/i386/predicates.md (const8_operand): New predicate.
3807 * config/i386/i386.md (extv, extzv, insv): Use the new
3808 const8_operand predicate where appropriate.
3810 2006-04-25 DJ Delorie <dj@redhat.com>
3812 * doc/install.texi (Specific): Clarify that this is not a list of
3813 supported hosts or targets.
3815 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3817 PR rtl-optimization/26725
3818 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3819 block's BB_DIRTY flag.
3821 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3823 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3826 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3827 to print an integer.
3829 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3831 * varasm.c (align_variable): New function.
3832 (get_block_for_decl): Apply align_variable to DECL before
3833 calculating section information.
3834 (assemble_variable): Split out alignment computation.
3836 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3838 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3841 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3843 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3844 MODE_PARTIAL_INT mode.
3845 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3846 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3848 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3849 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3851 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3853 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3855 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3856 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3857 MACFLAG_IH): Likewise.
3858 (movstricthi_1): Renamed from "*movstricthi".
3859 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3860 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3861 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3862 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3863 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3864 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3865 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3866 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3867 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3868 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3869 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3870 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3871 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3872 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3873 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3875 * doc/rtl.texi (ss_ashift): Improve wording.
3877 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3879 * dwarf2out.c (verify_marks_clear): New.
3880 (prune_unused_types): Call verify_marks_clear initially, not
3883 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3885 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3886 * doc/rtl.texi: Document them.
3887 * simplify-rtx.c (simplify_unary_operation,
3888 simplify_binary_operation_1): Don't abort when we see them.
3890 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3893 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3894 * configure.ac: Completely disregard languages that are not
3896 * configure: Regenerated.
3898 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3899 Richard Guenther <rguenther@suse.de>
3901 PR tree-optimization/27236
3902 * tree-inline.c (copy_body_r): Make sure to copy
3903 TREE_THIS_VOLATILE flag.
3905 2006-04-24 Richard Guenther <rguenther@suse.de>
3908 * tree-complex.c (update_parameter_components): Don't handle
3909 unused parameters which have no default def.
3911 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3912 Richard Guenther <rguenther@suse.de>
3914 PR tree-optimization/27218
3915 * tree-inline.c (expand_call_inline): Strip useless type
3916 conversions for the return slot address.
3918 2006-04-24 Richard Guenther <rguenther@suse.de>
3920 * cfgloop.h (struct loops): Remove unused field array. Reorder
3922 (LOOP_PREFETCH): Remove.
3924 2006-04-24 Richard Guenther <rguenther@suse.de>
3926 PR tree-optimization/22525
3927 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3928 variable, adjust types of generated expressions.
3930 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3932 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3933 (tree-vect-patterns.o): Likewise.
3935 (cselib.o): Likewise.
3936 (loop-doloop.o): Likewise.
3937 (regclass.o): Likewise.
3938 (reload1.o): Likewise.
3939 (explow.o): Replace target.h with $(TARGET_H).
3940 (ipa-prop.o): Likewise.
3941 (ipa-cp.o): Likewise.
3942 (ipa-inline.o): Likewise.
3943 (reorg.o): Likewise.
3944 (reg-stack.o): Likewise.
3946 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3948 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3950 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3952 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3954 * configure.ac: Completely disregard languages that are not
3956 * configure: Regenerated.
3959 * c-common.h (c_build_bitfield_integer_type): Declare.
3960 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3961 * c-common.c (c_build_bitfield_integer_type): ... here.
3963 2006-04-23 Roger Sayle <roger@eyesopen.com>
3966 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3967 a SImode SUBREG of a floating point register after no_new_pseudos.
3969 2006-04-23 Roger Sayle <roger@eyesopen.com>
3971 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3972 identify potentially eliminable registers to additionally catch
3973 VIRTUAL_INCOMING_ARGS_REGNUM.
3974 (addsi3): Update the conditions on when to use addsi_small_int.
3976 2006-04-23 Roger Sayle <roger@eyesopen.com>
3979 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3980 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3981 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3983 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3985 * fold-const.c (range_predecessor): Use operand_equal_p
3986 as the predicate for equality.
3987 (range_successor): Likewise.
3989 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3992 * config/soft-fp/op-common.h: Fix a typo.
3994 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3997 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3998 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4000 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4002 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4004 * doc/tm.texi: Fix a typo.
4006 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4008 * dwarf2out.c (struct die_struct): Document that die_sib makes
4009 a circular linked list.
4010 (FOR_EACH_CHILD): New.
4011 (reverse_die_lists): Delete.
4012 (reverse_all_dies): Delete.
4013 (add_dwarf_attr): Correct documentation.
4014 (remove_child_with_prev): New.
4015 (remove_child_TAG): Update for change to die_struct, use
4016 remove_child_with_prev.
4017 (add_child_die): Update for change to die_struct.
4018 (splice_child_die): Use remove_child_with_prev and add_child_die.
4019 (print_die): Use FOR_EACH_CHILD.
4020 (die_checksum): Likewise.
4021 (assign_symbol_names): Likewise.
4022 (output_location_lists): Likewise.
4023 (build_abbrev_table): Likewise.
4024 (calc_die_sizes): Likewise.
4025 (mark_dies): Likewise.
4026 (unmark_dies): Likewise.
4027 (unmark_all_dies): Likewise.
4028 (output_die): Likewise.
4029 (prune_unused_types_mark): Likewise.
4030 (prune_unused_types_walk): Likewise.
4031 (same_die_p): Update for change to die_struct.
4032 (break_out_includes): Likewise.
4033 (prune_unused_types_prune): Likewise.
4034 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4035 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4037 (dwarf2out_finish): Don't call reverse_all_dies.
4039 2006-04-21 Eric Christopher <echristo@apple.com>
4041 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4042 in comments and function names.
4044 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4047 * c-typeck.c (digest_init): Robustify.
4049 * c-typeck.c (pop_init_level): Simplify.
4051 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4053 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4055 2006-04-21 Paul Brook <paul@codesourcery.com>
4057 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4058 hardware floating point.
4060 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4062 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4065 2006-04-21 Nick Clifton <nickc@redhat.com>
4067 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4070 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4073 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4074 C++ lang type in traceback table for Objective-C++.
4076 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4078 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4080 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4082 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4085 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4086 were errors. Remove check for erroneous objects.
4088 2006-04-20 Jeff Law <law@redhat.com>
4090 PR tree-optimization/26854
4091 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4092 checking for zero or one use.
4093 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4094 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4095 * tree-ssa-reassoc.c (negate_value): Similarly.
4096 (reassociate_bb): Similarly.
4098 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4100 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4101 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4102 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4104 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4106 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4107 fp regs if the last fp arg doesn't fit in regs.
4109 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4112 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4113 that the last insn has the REG_INC note.
4115 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4116 Nathan Sidwell <nathan@codesourcery.com>
4119 * stor-layout.c (update_alignment_for_field): Do not align
4121 (place_union_field): Place union field at the start of the union.
4122 (place_field): Move ERROR_MARK check later, and use the current
4123 allocation position to maintain monotonicity.
4125 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4127 * dominance.c: Include timevar.h.
4128 (calculate_dominance_info): Use TV_DOMINANCE.
4129 * timevar.def (TV_DOMINANCE): New timevar.
4130 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4132 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4134 PR rtl-optimization/14261
4135 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4136 move would be an INSV insn.
4137 (noce_process_if_block): Don't optimize if the destination is a
4138 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4140 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4142 * config/s390/s390.md: Add comments with the instructions emitted
4143 by an insn pattern if macros are used.
4145 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4147 PR rtl-optimization/26026
4148 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4149 is a known power of two shifted left a variable amount.
4151 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4153 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4154 to hash table twice when the debug_str section has SECTION_MERGE.
4156 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4158 * config/soft-fp: New directory. From glibc.
4159 * config/soft-fp/t-softfp: New.
4160 * config/soft-fp/README: New.
4161 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4162 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4163 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4164 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4165 * config.gcc: Use rs6000/t-fprules-fpbit or
4166 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4168 * config/rs6000/sfp-machine.h: New. Based on glibc.
4169 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4171 * config/rs6000/t-fprules: Remove fp-bit rules.
4172 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4173 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4174 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4175 (softfp_wrap_start, softfp_wrap_end): New.
4177 2006-04-18 DJ Delorie <dj@redhat.com>
4179 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4181 2006-04-18 Devang Patel <dpatel@apple.com>
4183 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4185 2006-04-18 Nick Clifton <nickc@redhat.com>
4187 * config/sh/t-symbian: Add rule to build sh-c.o
4188 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4189 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4190 (sh_symbian_encode_section_info): Likewise.
4192 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4194 * builtins.c (expand_builtin_strcmp): Cover label definition of
4195 do_libcall with HAVE_cmpstrnsi.
4197 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4199 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4201 * function.h (temp_slot_p): New.
4202 (function): Change the type of x_used_temp_slots to
4203 VEC(temp_slot_p,gc) *.
4205 2006-04-18 Nick Clifton <nickc@redhat.com>
4207 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4208 flag_strength_reduce.
4210 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4212 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4216 Partial revert of revision 112637
4217 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4218 Dale Johannesen <dalej@apple.com>
4221 * regclass.c (struct reg_pref): Update documentation.
4222 (regclass): Set prefclass to NO_REGS if memory is the best option.
4223 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4225 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4227 PR tree-optimization/26821
4228 * tree-ssa-math-opts.c (get_constant_one): New.
4229 (insert_reciprocals): Use it.
4231 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4233 * dwarf2out.c (free_AT): Delete.
4234 (remove_AT): Update string ref counts.
4235 (remove_child_TAG): Don't call free_die.
4237 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4238 or DW_TAG_GNU_EINCL.
4239 (prune_unused_types_walk_attribs): Reset string refcounts.
4240 (prune_unused_types_update_strings): New.
4241 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4242 call free_die. Do call prune_unused_types_update_strings.
4243 (prune_unused_types): Empty debug_str_hash.
4245 2006-04-17 Roger Sayle <roger@eyesopen.com>
4247 * expr.c (expand_assignment): Optimize away no-op moves where the
4248 source and destination are equal and have no side-effects.
4250 2006-04-17 Richard Guenther <rguenther@suse.de>
4253 * reload.c (push_reload): Guard calls to get_secondary_mem
4256 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4258 * alias.c (reg_base_value, old_reg_base_value): Change the
4259 type to VEC(rtx,gc) *.
4260 (REG_BASE_VALUE, find_base_value, record_set,
4261 init_alias_analysis): Use VEC instead of VARRAY.
4263 * alias.c (alias_sets): Change the type to
4264 VEC(alias_set_entry,gc) *.
4265 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4266 VEC instead of VARRAY.
4267 (last_alias_set): Remove.
4269 * cgraph.h (cgraph_edge_p): New.
4270 Update the prototype of cgraph_function_versioning.
4271 * cgraphunit.c (cgraph_copy_node_for_versioning,
4272 cgraph_function_versioning): Use VEC instead of VARRAY.
4273 * ipa-cp.c (ipcp_insert_stage): Likewise.
4275 2006-04-16 Roger Sayle <roger@eyesopen.com>
4278 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4279 "A op B" or "A op C", we may need to convert A to the type of B and C.
4281 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4283 * target.h (struct gcc_target): Add mode_rep_extended.
4284 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4285 (init_num_sign_bit_copies_in_rep): Initialize it using
4287 (truncate_to_mode): Use it.
4288 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4289 * targhooks.h (default_mode_rep_extended): Declare it.
4290 * targhooks.c (default_mode_rep_extended): Define it.
4291 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4292 default_mode_rep_extended.
4293 (TARGET_INITIALIZER): Include it.
4294 * doc/tm.texi (Misc): Document it.
4295 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4296 (mips_truncated_to_mode): New function.
4298 2006-04-16 Roger Sayle <roger@eyesopen.com>
4301 * expr.c (compress_float_constant): Copy the narrow constant into
4302 a new pseudo before extending it to its final width.
4304 2006-04-16 Roger Sayle <roger@eyesopen.com>
4305 Andrew Pinski <pinskia@gcc.gnu.org>
4306 Dale Johannesen <dalej@apple.com>
4309 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4310 special case code to implement V8HImode and V16QImode with SSE2.
4312 2006-04-15 Roger Sayle <roger@eyesopen.com>
4314 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4315 trees are constructed with a suitable tree type.
4317 2006-04-15 Roger Sayle <roger@eyesopen.com>
4319 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4320 (integer_onep): Likewise.
4321 (integer_all_onesp): Likewise.
4322 (integer_pow2p): Likewise.
4323 (integer_nonzerop): Likewise.
4324 (real_zerop): Likewise.
4325 (real_onep): Likewise.
4326 (real_twop): Likewise.
4327 (real_minus_onep): Likewise.
4328 (int_size_in_bytes): Likewise.
4329 (host_integerp): Likewise.
4331 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4333 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4334 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4335 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4337 * tree-ssa-structalias.h (alias_info): Remove num_references.
4339 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4341 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4342 (output_bvb patterns): Likewise.
4343 * pa.c (output_bb): Use 'bb' insn for long branch case.
4344 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4345 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4346 1. Correct length operand for alternatives 1 and 2.
4347 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4348 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4350 2006-04-14 Roger Sayle <roger@eyesopen.com>
4352 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4353 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4354 were accidentally reverted by r112959.
4356 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4359 * except.h (eh_region_outermost): New prototype.
4360 * except.c (eh_region_outermost): New function.
4361 * tree-cfg.c (find_outermost_region_in_block): Use it.
4363 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4365 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4367 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4368 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4369 (init_reload, reload): Use VEC instead of VARRAY.
4370 * reload.h: Update the prototype for
4371 reg_equiv_memory_loc_varray.
4373 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4374 Eric Botcazou <ebotcazou@libertysurf.fr>
4376 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4379 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4382 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4383 to expand fallback builtin function call.
4385 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4388 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4389 and emit libcall here in case the builtin fails.
4390 (expand_builtin_strcmp): Always emit the libcall here on failure.
4392 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4394 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4395 * flow.c (reg_n_info): Change the type to
4396 VEC(reg_info_p,heap) *.
4397 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4399 * regs.h (reg_info_p): New.
4400 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4401 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4402 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4405 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4407 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4409 * params.h (MAX_SCHED_READY_INSNS): New macro.
4410 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4411 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4412 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4413 the ready list for 1 cycle during the first scheduling pass.
4414 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4416 2006-04-13 Richard Henderson <rth@redhat.com>
4419 * gimple-low.c (lower_omp_directive): Remove dead code.
4420 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4421 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4422 * omp-low.c (struct omp_region): Move to tree-flow.h.
4423 (root_omp_region): Export.
4424 (omp_regions, lookup_omp_region): Remove.
4425 (determine_parallel_type): Update for struct omp_region changes.
4426 (dump_omp_region): Dump regions with block numbers.
4427 (new_omp_region): Take type and block instead of stmt; malloc
4429 (free_omp_region_1, free_omp_regions): New.
4430 (expand_parallel_call): Take entry_stmt as argument; update for
4431 changes to omp_region.
4432 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4433 (remove_exit_barriers): New.
4434 (expand_omp_parallel): Update for struct omp_region changes.
4435 (expand_omp_synch): Likewise.
4436 (expand_omp): Likewise.
4437 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4438 (expand_omp_for_static_chunk): Likewise.
4439 (expand_omp_for): Likewise.
4440 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4441 (expand_omp_sections): Similarly, with GOMP_sections_end.
4442 (expand_omp_single): New.
4443 (build_omp_regions_1): Update for OMP_CONTINUE.
4444 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4445 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4446 OMP_SECTIONS_SECTIONS.
4447 (lower_omp_single_simple): Don't emit barrier here.
4448 (lower_omp_single_copy): Likewise.
4449 (lower_omp_single): Fix bindings, and lower to straightline now.
4450 (lower_omp_master, lower_omp_ordered): Likewise.
4451 (lower_omp_critical): Likewise.
4452 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4453 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4454 omp edges, free it afterward.
4455 (make_omp_sections_edges): Remove.
4456 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4457 (move_stmt_r): Handle OMP_CONTINUE.
4458 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4459 statement pointers to basic blocks. Add type member.
4460 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4461 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4462 * tree-inline.c (estimate_num_insns_1): Likewise.
4463 * tree-pretty-print.c (dump_generic_node): Likewise.
4464 * tree-ssa-operands.c (get_expr_operands): Likewise.
4465 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4466 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4467 (OMP_CONTINUE): New.
4468 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4469 (OMP_SECTIONS_SECTIONS): Remove.
4470 (OMP_SECTION_LAST): New.
4471 (OMP_RETURN_NOWAIT): New.
4473 2006-04-13 Roger Sayle <roger@eyesopen.com>
4475 * fold-const.c (native_encode_vector, native_interpret_real):
4476 Correct obvious mistakes in the previous check-in.
4478 2006-04-13 Roger Sayle <roger@eyesopen.com>
4480 * fold-const.c (native_encode_expr): New function to encode
4481 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4482 or VECTOR_CST into a specified buffer.
4483 (native_encode_int): New function.
4484 (native_encode_real): New function.
4485 (native_encode_complex): New function.
4486 (native_encode_vector): New function.
4487 (native_interpret_expr): Inverse of native_encode_expr to convert
4488 a target representation into an INTEGER_CST, REAL_CST etc...
4489 (native_interpret_int): New function.
4490 (native_interpret_real): New function.
4491 (native_interpret_complex): New function.
4492 (native_interpret_vector): New function.
4493 (fold_view_convert_expr): New function to constant fold/evaluate
4494 a VIEW_CONVERT_EXPR of a suitable constant expression.
4495 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4496 Change call of build1 to fold_build1 when constructing a
4499 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4500 Ulrich Weigand <uweigand@de.ibm.com>
4503 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4506 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4509 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4510 optimize to lo_sum for DFmode if !TARGET_FPRS.
4512 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4514 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4515 delete_alias_info, compute_flow_sensitive_aliasing,
4516 group_aliases): Use VEC instead of VARRAY.
4517 * tree-ssa-structalias.c (update_alias_info): Likewise.
4518 * tree-ssa-structalias.h (alias_info): Change the type of
4519 processed_ptrs to VEC(tree,heap) *.
4521 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4524 * config/sh/lib1funcs.h: New file, broken out of:
4525 * config/sh/lib1funcs.asm.
4526 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4528 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4529 * config/sh/lib1funcs-Os-4-200.asm: New file.
4530 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4531 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4532 (EXTRA_MULTILIB_PARTS): Include it.
4533 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4534 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4535 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4536 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4539 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4541 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4542 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4543 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4545 * tree-ssa-live.h: Include vecprim.h.
4546 (tree_partition_associator_d): Change the type of
4547 first_partition to VEC(int,heap) *.
4548 (tpa_first_partition): Use VEC instead of VARRAY.
4550 * Makefile.in (GTFILES): Move functions.h after tree.h.
4551 * function.c (reset_block_changes, record_block_change,
4552 check_block_change, free_block_changes): Use VEC instead of
4554 * function.h (function): Change the type of
4555 ib_boundaries_block to VEC(tree,gc) *.
4556 * tree-inline.c (copy_cfg_body): Initialize
4557 ib_boundaries_block to NULL instead of (varray_type) 0.
4559 2006-04-12 Roger Sayle <roger@eyesopen.com>
4561 * expr.c (emit_group_store): Correct operand order in call to
4562 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4563 a SUBREG_BYTE of zero.
4565 2006-04-12 Richard Guenther <rguenther@suse.de>
4567 * profile.c (compute_branch_probabilities): Remove code
4568 encapsulated in !ir_type (), which are remanents of the
4569 removed RTL profiling code.
4570 * rtl-profile.c: Remove.
4572 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4574 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4575 magic NULL_RTX comment.
4576 (function_arg): Store entire fp arg to mem if any part should go
4578 (rs6000_arg_partial_bytes): Adjust for above change.
4580 2006-04-11 Roger Sayle <roger@eyesopen.com>
4582 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4583 if it hasn't been initialized by dwarf2out_init.
4585 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4587 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4588 symbolic constants in branch patterns.
4590 2006-04-11 Roger Sayle <roger@eyesopen.com>
4592 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4594 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4596 PR rtl-optimization/27073
4597 * gcse.c (try_replace_reg): Revert last change. Continue to search
4598 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4601 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4603 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4604 aggregate types other than record and union types.
4605 (function_arg): Likewise.
4606 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4608 (function_value): In 64-bit mode, return objects that require it
4611 2006-04-11 Roger Sayle <roger@eyesopen.com>
4613 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4615 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4617 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4619 2006-04-03 Jeff Law <law@redhat.com>
4622 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4623 alias information too.
4625 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4627 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4629 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4632 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4633 (premark_used_types_helper): New.
4634 (premark_used_types): New.
4635 (gen_subprogram_die): Call premark_used_types.
4636 (prune_unused_types_walk): Do not prune perennial dies.
4637 * function.c (used_types_insert): New.
4638 * function.h (struct function): Add used_types_hash field.
4639 (used_types_insert): Add prototype.
4640 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4641 * c-parser.c (c_parser_cast_expression): Save casted types in used
4644 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4647 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4648 rs6000_explicit_options.float_gprs.
4650 2006-04-10 Roger Sayle <roger@eyesopen.com>
4652 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4653 from ix86_expand_vector_init_low_nonzero. Take an additional
4654 one_var argument indicating which element is non-zero. Support
4655 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4656 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4657 with one_var instead of ix86_expand_vector_init_low_nonzero.
4659 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4661 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4662 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4663 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4664 build/genextract.o): Depend on vecprim.h.
4665 * cfglayout.c, df-problems.c, function.c, genextract.c,
4666 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4667 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4671 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4673 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4674 Declare VECs of this type.
4675 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4676 (remove_children): Delete.
4677 (add_dwarf_attr): Use VEC routines.
4678 (add_AT_flag): Update for changes to add_dwarf_attr.
4679 (add_AT_int): Likewise.
4680 (add_AT_unsigned): Likewise.
4681 (add_AT_long_long): Likewise.
4682 (add_AT_vec): Likewise.
4683 (add_AT_string): Likewise.
4684 (add_AT_die_ref): Likewise.
4685 (add_AT_fde_ref): Likewise.
4686 (add_AT_loc): Likewise.
4687 (add_AT_loc_list): Likewise.
4688 (add_AT_addr): Likewise.
4689 (add_AT_lbl_id): Likewise.
4690 (add_AT_lineptr): Likewise.
4691 (add_AT_macptr): Likewise.
4692 (add_AT_offset): Likewise.
4693 (add_AT_range_list): Likewise.
4694 (get_AT): Use VEC_iterate.
4695 (remove_AT): Use VEC_ordered_remove.
4696 (free_die): Fold remove_children into here; have it use VEC_iterate.
4697 (print_die): Use VEC_iterate on attrs.
4698 (reverse_die_lists): Don't reverse attr lists.
4699 (die_checksum): Use VEC_iterate on attrs.
4700 (same_die_p): Likewise.
4701 (output_location_lists): Likewise.
4702 (build_abbrev_table): Likewise.
4703 (size_of_die): Likewise.
4704 (unmark_all_dies): Likewise.
4705 (output_abbrev_section): Likewise.
4706 (output_die): Likewise.
4707 (prune_unused_types_walk_attribs): Likewise.
4709 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4711 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4713 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4716 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4718 2006-04-09 Roger Sayle <roger@eyesopen.com>
4720 * expr.c (store_constructor): Don't bother clearing target if
4721 we're about to assign a vector to it using vec_init_optab.
4723 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4725 * tree-ssa-alias.c (lhs_may_store_to): New function.
4726 (recalculate_used_alone): Handle LHS of calls.
4728 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4732 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4733 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4734 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4735 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4736 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4737 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4738 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4739 stubs. Add ".align 8" directives before all ".dword" directives.
4740 (GTHREAD_USE_WEAK): Revise comment.
4741 (TARGET_ATTRIBUTE_WEAK): Define.
4742 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4743 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4744 * stublib.c: New file.
4749 * pa.md (cbranch patterns): Revise arguments used in calls to
4750 output_cbranch, output_bb and output_bvd. Add long branch length
4752 (fbranch patterns): Handle long branches.
4753 (jump): Revise length check. Revise arguments for output_lbranch call.
4754 Add long branch length attributes.
4755 (decrement_and_branch_until_zero): Add long branch length attributes.
4756 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4757 Likewise. Revise arguments for output_parallel_addb and
4758 output_parallel_movb calls.
4759 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4760 output_parallel_movb and output_parallel_addb): Update prototypes.
4761 * pa.c (output_cbranch): Revise arguments. Correct handling of
4762 nullification in long branches.
4763 (output_lbranch): Add new argument to control extraction of delay
4765 (output_bb): Handle long branches.
4766 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4767 output_parallel_addb): Likewise.
4769 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4771 PR rtl-optimization/27073
4772 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4775 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4777 * tree.h (tree_memory_tag): Add old_used_alone.
4778 (SMT_OLD_USED_ALONE): New macro.
4779 * tree-ssa-alias.c (recalculate_used_alone): Stop
4780 marking things for renaming unnecessarily.
4782 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4784 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4785 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4786 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4787 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4788 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4789 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4790 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4791 spelling convensions.
4792 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4793 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4794 typos. Follow spelling conventions.
4796 2006-04-07 DJ Delorie <dj@redhat.com>
4798 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4799 passed on the stack.
4800 (m32c_init_cumulative_args): When a function returns a structure,
4801 always pass the pointer to that return area on the stack.
4802 (m32c_function_arg_advance): Don't increment the parameter number
4803 if we're processing the returned structure pointer.
4804 (pushm_info): Reverse order of registers.
4806 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4808 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4809 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4810 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4811 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4813 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4814 chrec_fold_multiply): Same.
4815 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4816 force_expr_to_var_cost): Same.
4817 * tree-mudflap.c (mf_xform_derefs_1): Same.
4818 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4820 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4822 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4823 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4826 2006-04-07 Jan Hubicka <jh@suse.cz>
4828 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4830 2006-04-07 Richard Guenther <rguenther@suse.de>
4832 PR tree-optimization/26135
4833 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4834 loads for store copy-prop.
4835 (copy_prop_visit_stmt): Likewise.
4837 2006-04-05 Robert Millan <robertmh@gnu.org>
4839 * config/i386/linux.h: Add a comment to mark macros that are
4840 being overriden in config/k*bsd-gnu.h.
4841 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4843 * config/knetbsd-gnu.h: Ditto.
4845 2006-04-06 Jan Hubicka <jh@suse.cz>
4849 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4852 2006-04-06 Mike Stump <mrs@apple.com>
4854 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4855 for HAVE_nonlocal_goto to be consistent.
4856 (expand_builtin_nonlocal_goto): Likewise.
4857 (expand_builtin_strcmp): Use #ifdef instead of #if
4858 for HAVE_cmpstrnsi to be consistent.
4860 2006-04-05 DJ Delorie <dj@redhat.com>
4862 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4865 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4867 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4868 got-relative addressing for anything but SImode.
4870 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4871 even if the calling function doesn't modify them.
4873 2006-04-05 Richard Guenther <rguenther@suse.de>
4875 PR tree-optimization/26919
4876 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4877 to cgraph_estimate_size_after_inlining.
4879 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4881 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4883 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4885 PR tree-optimization/26996
4886 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4887 VECTOR_TYPE variables.
4889 2006-04-05 Richard Guenther <rguenther@suse.de>
4891 PR tree-optimization/26763
4892 * fold-const.c (fold_comparison): Move folding of
4893 PTR + CST CMP PTR + CST ...
4894 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4896 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4898 * doc/install.texi (Prerequisites): Refine some wording on
4899 bootstrapping and ksh.
4900 Move the version numbers of DejaGnu here from the testing section
4901 and fix casing of names.
4902 Fix markup and clarify wording for autogen requirements.
4903 Refer to GCJ instead of just java.
4904 Refer to SVN instead of CVS.
4905 Describe diffutils as useful instead of necessary.
4906 (Downloading the source): Refer to SVN instead of CVS.
4907 Adjust a link to our web site accordingly.
4908 (Configuration): Fix casing of Bison.
4909 (Building): Refer to SVN instead of CVS.
4910 Fix a sentence on the use of Bison and remove duplicate (and
4911 incorrect) version number of Bison requirement.
4912 Remove one redundant list of packages needed for building.
4913 (Specific): Avoid reference to CVS.
4915 2006-04-04 Eric Christopher <echristo@apple.com>
4917 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4918 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4919 (rs6000_handle_struct_attribute): New.
4920 (rs6000_ms_bitfield_layout_p): Ditto.
4922 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4924 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4925 NULL for dso parameter to atexit_common.
4927 2006-04-04 Eric Christopher <echristo@apple.com>
4929 * config/i386/i386.c (machopic_output_stub): Output \t
4930 between instructions and operands.
4932 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4934 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4935 satisfies_constraint_[IL] to explicit tests on value.
4937 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4939 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4940 set_nb_iterations_in_loop): Use build_int_cst instead of
4942 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4943 build_int_cst instead of convert.
4945 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4947 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4948 new value 2 for incoming.
4949 * function.c (expand_function_start): Call struct_value_rtx
4951 * config/sparc/sparc.md: Comment updated_return.
4952 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4953 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4954 struct return if sparc_std_struct_return and incoming is 2.
4955 (print_operand): Do not adjust return if
4956 sparc_std_struct_return.
4958 2006-04-04 Roger Sayle <roger@eyesopen.com>
4960 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4961 convert in the middle-end.
4962 * expr.c (store_expr, store_constructor, get_inner_reference,
4963 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4965 * tree.c (build_range_type): Likewise.
4967 2006-04-04 Tom Tromey <tromey@redhat.com>
4969 * doc/install.texi (Prerequisites): Mention jar.
4971 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4973 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4976 2006-04-04 Matthias Klose <doko@debian.org>
4978 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4979 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4982 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4984 * doc/extend.texi (Function Attributes): Rewrite visibility
4985 attribute documentation.
4986 * doc/invoke.texi (C++ Dialect Options): Rewrite
4987 -fvisibility-inlines-hidden documentation to describe something
4988 entirely different, although in practise compatible.
4989 (Code Gen Options): Warn about system headers in -fvisibility=
4992 * doc/extend.texi (Other Builtins): Document that
4993 __builtin_nan is a compile-time constant only when its argument
4996 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4998 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4999 trying to remove TRUNCATE check if all bits outside the new mode
5000 are identical to the sign bit.
5002 2006-04-03 Jeff Law <law@redhat.com>
5004 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5005 and operand scanning in some common cases.
5007 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5008 Dale Johannesen <dalej@apple.com>
5011 * regclass.c (struct reg_pref): Update documentation.
5012 (regclass): Set prefclass to NO_REGS if memory is the best option.
5013 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5014 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5015 into account. For non-registers, equate an empty preferred
5016 reload class to a `!' in the constraint; move the if clause to
5017 do so after those that reject the insn.
5018 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5020 (find_dummy_reload): Likewise.
5021 * doc/tm.texi (Register Classes): Document what it means
5022 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5023 * config/i386/i386.c (ix86_preferred_reload_class): Force
5024 using SSE registers (and return NO_REGS for floating-point
5025 constants) if math is done with SSE.
5026 (ix86_preferred_output_reload_class): New.
5027 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5028 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5029 * config/i386/i386.md: Remove # register preferences.
5031 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5034 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5035 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5036 the type of nb_iter.
5037 (instantiate_parameters_1): Convert the operands before calling
5038 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5039 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5041 2006-04-02 Roger Sayle <roger@eyesopen.com>
5043 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5044 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5046 * dojump.c (do_jump): Likewise.
5047 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5048 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5049 gimplify_boolean_expr): Likewise.
5050 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5051 * varasm.c (array_size_for_constructor): Likewise.
5052 * tree-object-size.c (compute_object_offset): Likewise.
5054 2006-04-02 Roger Sayle <roger@eyesopen.com>
5057 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5058 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5060 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5062 PR tree-optimization/26939
5063 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5065 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5067 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5068 at_stmt. Convert the type of operands before calling
5069 build_polynomial_chrec.
5070 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5072 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5073 (instantiate_parameters_1): Convert the type of operands before calling
5074 build_polynomial_chrec.
5075 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5076 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5077 reset_evolution_in_loop): Insert asserts to check the types of the
5079 (chrec_type): Moved...
5080 (eq_evolutions_p): Use operand_equal_p.
5081 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5082 the types of the operands.
5083 (chrec_type): ...here.
5084 * tree-data-ref.c (create_data_ref): Convert the operands before
5085 calling chrec_replace_initial_condition.
5086 (same_access_functions, analyze_subscript_affine_affine,
5087 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5088 (compute_subscript_distance, analyze_ziv_subscript,
5089 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5090 analyze_miv_subscript): Convert the operands before calling
5091 chrec_fold_minus or chrec_fold_plus.
5093 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5095 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5096 the dependence_relations vector.
5097 (compute_data_dependences_for_loop): Adjust call to
5098 compute_all_dependences.
5100 2006-04-01 Roger Sayle <roger@eyesopen.com>
5101 Richard Henderson <rth@redhat.com>
5103 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5104 gimple_boolify on the condition before calling gimplify_expr.
5106 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5108 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5109 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5110 the frame size. Update to use the new macros.
5111 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5112 * config/xtensa/ieee754-df.S: Likewise.
5114 2006-03-31 Richard Henderson <rth@redhat.com>
5116 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5117 (make_edges): ... here. Control fallthru creation with a local
5118 variable. Do not play with fake edges.
5119 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5120 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5123 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5125 * dwarf2.h (DW64_CIE_ID): Define.
5126 * dwarf2out.c (DWARF_CIE_ID): Define.
5127 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5128 length header. Use DWARF_CIE_ID.
5129 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5130 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5132 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5134 * config/sh/linux-atomic.asm: New file.
5135 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5137 2006-03-31 DJ Delorie <dj@redhat.com>
5139 * config/m32c/cond.md: Set condition flags properly throughout.
5140 * config/m32c/minmax.md: Likewise.
5141 * config/m32c/prologue.md: Likewise.
5142 * config/m32c/bitops.md: Likewise.
5143 * config/m32c/muldiv.md: Likewise.
5144 * config/m32c/mov.md: Likewise.
5145 * config/m32c/addsub.md: Likewise.
5146 * config/m32c/m32c.md: Likewise.
5147 * config/m32c/jump.md: Likewise.
5148 * config/m32c/shift.md: Likewise.
5150 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5151 conditionally output the pattern for this.
5152 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5153 (m32c_compare_redundant): New.
5154 (m32c_output_compare): New.
5155 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5157 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5158 dest, not src. Allow other 4-byte modes.
5160 2006-03-30 Denis Chertykov <denisc@overta.ru>
5162 * doc/md.texi: Refer to avr/constraints.md instead of
5165 2006-03-30 Roger Sayle <roger@eyesopen.com>
5167 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5168 signed vs. unsigned comparison failures on some hosts.
5170 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5173 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5174 change to FLOAT_REGS.
5176 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5177 (rs6000_override_options): Use it.
5178 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5179 only for -mabi=spe/no-spe and -mabi=altivec.
5181 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5183 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5186 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5188 * Makefile.in: Rename docdir to gcc_docdir.
5190 2006-03-30 Roger Sayle <roger@eyesopen.com>
5193 * expr.c (emit_group_store): Optimize group stores into a pseudo
5194 register by using a paradoxical subreg to initialize the destination
5195 if the first or last member of the group specifies a "low part".
5197 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5200 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5201 * target.h (struct gcc_target.speculate_insn): Change type of the
5202 second parameter to 'int'.
5203 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5204 the second operand of the DEPS_LIST.
5205 (copy_DEPS_LIST_list): Update reference to the second operand of the
5207 * rtl.h (alloc_DEPS_LIST): Update signature.
5208 * sched-int.h (ds_t): Change typedef to 'int'.
5209 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5211 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5213 * haifa-sched.c (try_ready): Change condition to restore
5214 non-speculative pattern of the instruction.
5215 (process_insn_depend_be_in_spec): Code to keep probability of the
5216 speculative dependence non-decreasing.
5218 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5220 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5221 (single_move_for_movmem): ... this. Also change all uses.
5222 (bfin_expand_strmov): Renamed to...
5223 (bfin_expand_movmem): ... this. Also change all uses.
5224 * config/bfin/bfin.md (movstrsi): Renamed to...
5225 (movstrsi): ...this.
5227 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5229 PR tree-optimization/26830
5231 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5232 (copy_prop_visit_stmt): Remove write-only variable ann.
5233 (init_copy_prop): Check variable loop depth here. Do not simulate
5234 memory-tag and virtual operand PHIs except for store copy prop.
5236 2006-03-30 Richard Guenther <rguenther@suse.de>
5238 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5239 variants with double arguments.
5241 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5243 * genpreds.c (write_tm_constrs_h): Delete variable p.
5244 * genconditions.c (write_header): Add tm-constrs.h to included
5246 * genpeep.c (main): Add toplev.h to included headers.
5247 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5248 (build/genpeep.o): Add toplev.h dependency.
5249 * config/rs6000/constraints.md: Add "W" constraint.
5251 2006-03-29 Roger Sayle <roger@eyesopen.com>
5253 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5254 sizes by correctly testing whether the size fits a host integer.
5255 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5256 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5257 SImode range for the default sizetype and bitsizetype.
5259 2006-03-29 Roger Sayle <roger@eyesopen.com>
5261 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5262 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5263 quickly if the argument is already of the correct type.
5264 Call fold_build1 instead of build1. Tidy up blank lines.
5266 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5268 * genemit.c (main): Add tm-constrs.h to included headers.
5269 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5270 * genpeep.c (main): Add tm-constrs.h to included headers.
5271 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5272 (write_tm_constrs_h): this and write complete file.
5273 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5274 (write_insn_preds_c): Add tm-constrs.h to included headers.
5275 (gen_constrs): New variable.
5276 (parse_option): Parse "-c".
5277 (main): Invoke write_tm_constrs_h.
5278 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5279 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5280 (object_out_file): Add tm-constrs.h dependency.
5281 (insn-emit.o): Same.
5282 (insn-output.o): Same.
5283 (insn-peep.o): Same.
5284 (insn-preds.o): Same.
5285 (insn-recog.o): Same.
5286 (tm-constsr.h): New target.
5287 (s-constrs-h): New target.
5289 * config/rs6000/constraints.md: New file.
5290 * config/rs6000/rs6000.c: Include tm-constrs.h.
5291 (num_insn_constant_wide): Convert to satisfies_constraint.
5292 (rs6000_rtx_costs): Convert to satisfies_constraint.
5293 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5294 (CONST_OK_FOR_LETTER_P): Delete.
5295 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5296 (EXTRA_CONSTRAINT): Delete.
5297 (EXTRA_MEMORY_CONSTRAINT): Delete.
5298 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5299 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5300 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5301 satisfies_constraint.
5303 * config/i386/i386.c: Include tm-constrs.h.
5305 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5307 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5308 * tree-data-ref.c (find_data_references_in_loop,
5309 compute_data_dependences_for_loop): Use pointers to VEC.
5310 (analyze_all_data_dependences): Adjust calls.
5311 * tree-data-ref.h (find_data_references_in_loop,
5312 compute_data_dependences_for_loop): Adjust declarations.
5313 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5314 compute_data_dependences_for_loop.
5316 2006-03-29 Paul Brook <paul@codesourcery.com>
5318 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5321 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5323 PR tree-optimization/26859
5324 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5326 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5327 for the step after fold_convert.
5329 2006-03-29 Paul Brook <paul@codesourcery.com>
5331 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5332 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5334 2006-03-29 Paul Brook <paul@codesourcery.com>
5337 * targhooks.c (default_narrow_bitfield): New fuction.
5338 * targhooks.h (default_narrow_bitfield): add prototype.
5339 * target.h (gcc_target): Add narrow_volatile_bitfield.
5340 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5341 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5342 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5343 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5345 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5347 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5349 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5350 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5351 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5352 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5353 (s390_function_arg_float): Allow SDmode and DDmode values to be
5354 passed in floating point registers.
5355 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5356 check with SCALAR_FLOAT_MODE_P.
5357 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5359 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5361 PR tree-optimization/25985
5362 * tree-ssa-loop-niter.c (number_of_iterations_le,
5363 number_of_iterations_ne): Make comments more precise.
5364 (number_of_iterations_cond): Add only_exit argument. Use the
5365 fact that signed variables do not overflow only when only_exit
5367 (loop_only_exit_p): New.
5368 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5369 number_of_iterations_cond.
5371 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5373 PR tree-optimization/26643
5374 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5377 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5379 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5380 (divsi3_i4_int): Likewise.
5382 2006-03-28 Roger Sayle <roger@eyesopen.com>
5384 * expr.c (emit_group_store): Only create a new pseudo reg if the
5385 quantity it needs to hold isn't already a suitable pseudo.
5387 2006-03-28 Jeff Law <law@redhat.com>
5389 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5390 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5392 2006-03-28 Roger Sayle <roger@eyesopen.com>
5394 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5395 the equivalent ~X & Y, and the symmetry related transformations.
5396 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5397 ~X & Y, and symmetry related transforms.
5399 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5401 Revert my 2006-03-27 patches.
5403 2006-03-28 Roger Sayle <roger@eyesopen.com>
5405 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5406 ~(T1)X, when T1 and T2 are integer types of the same precision
5407 and (T2)X isn't an extension.
5409 2006-03-28 Jeff Law <law@redhat.com>
5411 PR tree-optimization/26796
5412 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5413 need EH edge cleanups rather than purging them immediately.
5414 (eliminate_degenerate_phis): Handle queued EH cleanups.
5416 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5418 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5421 2006-03-27 Roger Sayle <roger@eyesopen.com>
5424 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5425 cast BIT_NOT_EXPR operand to the correct type.
5427 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5429 * tree-loop-linear.c: Don't include varray.h.
5430 (gather_interchange_stats, try_interchange_loops,
5431 linear_transform_loops): Use VEC instead of VARRAY.
5432 * lambda-mat.c: Don't include varray.h.
5433 * tree-chrec.c: Same.
5434 * lambda-trans.c: Same.
5435 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5436 VEC instead of VARRAY.
5437 * tree-vectorizer.h: Idem.
5438 * tree-data-ref.c (dump_data_references,
5439 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5440 initialize_data_dependence_relation, finalize_ddr_dependent,
5441 compute_all_dependences, find_data_references_in_loop,
5442 compute_data_dependences_for_loop, analyze_all_data_dependences,
5443 free_dependence_relation, free_dependence_relations,
5444 free_data_refs): Idem.
5445 * tree-data-ref.h (data_reference_p, subscript_p): New.
5446 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5447 VEC instead of VARRAY.
5448 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5449 (find_data_references_in_loop, compute_data_dependences_for_loop,
5450 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5451 dump_data_dependence_relations, free_dependence_relations,
5452 free_data_refs): Adjust declaration.
5453 (lambda_transform_legal_p): Move declaration here...
5454 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5455 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5456 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5457 vect_analyze_data_refs): Use VEC instead of VARRAY.
5458 * lambda.h (lambda_transform_legal_p): ...from here.
5459 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5460 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5461 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5462 tree-chrec.o): Don't depend on VARRAY_H.
5464 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5466 * rtl.def (Copyright): Update date.
5467 (DEPS_LIST): Change type of the second operand to 'int'.
5468 * target.h (Copyright): Update date.
5469 (struct gcc_target.speculate_insn): Change type of the second parameter
5471 * lists.c (Copyright): Update date.
5472 (alloc_DEPS_LIST): Change signature. Update reference to the second
5473 operand of the DEPS_LIST.
5474 (copy_DEPS_LIST_list): Update reference to the second operand of the
5476 * rtl.h (Copyright): Update date.
5477 (alloc_DEPS_LIST): Update signature.
5478 * sched-int.h (Copyright): Update date.
5479 (ds_t): Change typedef to 'int'.
5480 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5482 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5484 * haifa-sched.c (Copyright): Update date.
5485 (try_ready): Change condition to restore non-speculative pattern
5487 (process_insn_depend_be_in_spec): Code to keep probability of the
5488 speculative dependence non-decreasing.
5490 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5492 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5493 shut up the compiler.
5495 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5497 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5498 to use lib prefix for target.
5499 ($(T)libic_invalidate_array_4-200.a): Likewise.
5500 ($(T)libic_invalidate_array_4a.a): Likewise.
5502 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5503 J"orn Rennecke <joern.rennecke@st.com>
5505 * superh.opt: New file.
5506 * sh.c (boardtype, osruntime): Remove.
5507 * superh.h (SUBTARGET_OPTIONS): Remove.
5508 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5510 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5511 arguments with ^ and/or [].
5513 * config.gcc (sh-*-*): Add quoting to account for quirk of
5515 Replace == with = in enable_incomplete_targets test.
5517 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5518 with MASK_LITTLE_ENDIAN.
5520 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5521 * config/sh/sh.opt: Added to some comments.
5522 * config/sh/superh.h: Removed some chaff.
5524 * config/sh/sh.opt: Add m4-[1234]00* options.
5525 * config/sh/sh.c (sh_handle_option): Likewise.
5526 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5527 (ic_invalidate_array_4-100.o): New rule.
5528 ($(T)libic_invalidate_array_4-100.a): Likewise.
5529 (ic_invalidate_array_4-200.o): Likewise.
5530 ($(T)libic_invalidate_array_4-200.a): Likewise.
5531 (ic_invalidate_array_4a.o): Likewise.
5532 ($(T)libic_invalidate_array_4a.a): Likewise.
5533 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5534 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5536 * config/sh/crt1.asm: Merged in profiling code.
5537 * config/sh/superh.h (STARTFILE_SPEC): Override.
5538 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5539 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5540 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5542 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5543 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5544 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5546 * sh.opt (mpretend-cmove): New option.
5547 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5548 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5549 (movsicc): Add TARGET_PRETEND_CMOVE code.
5551 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5553 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5554 s390_class_max_nregs): New function prototypes.
5555 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5556 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5557 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5558 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5560 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5562 * dwarf2out.c (add_location_or_const_value_attribute): Call
5563 tree_add_const_value_attribute if nothing else works.
5564 (reference_to_unused): New.
5565 (rtl_for_decl_init): Use reference_to_unused to decide whether
5566 to output an initializer.
5568 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5571 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5572 peephole removing spe frob_di_df_2.
5574 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5576 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5577 (subscript_dependence_tester_1): Declared.
5578 (print_dir_vectors, print_dist_vectors): New.
5579 (debug_data_dependence_relation): New.
5580 (dump_data_dependence_relation): Print more details.
5581 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5582 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5583 (save_dist_v, save_dir_v, add_outer_distances,
5584 build_classic_dist_vector_1): New.
5585 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5586 Don't test for lambda_vector_lexico_pos.
5587 (same_access_functions, add_multivariate_self_dist,
5588 add_other_self_distances, dir_from_dist): New.
5589 (build_classic_dir_vector): Replace implementation almost identical to
5590 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5592 (subscript_dependence_tester_1): New.
5593 (subscript_dependence_tester): Handle the lexicographically negative
5594 distance vectors by recomputing the dependence relation.
5595 (compute_affine_dependence): Remove parameter loop_nest_depth.
5596 (compute_self_dependence): Don't call compute_subscript_distance.
5597 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5598 Add a parameter for the loop_nest.
5599 (find_loop_nest_1, find_loop_nest): New.
5600 (compute_data_dependences_for_loop): Compute the loop nest, and give
5601 up if the nest is not well formed.
5602 * tree-data-ref.h (loop_p): New.
5603 (struct data_dependence_relation): Replace size_vect field with
5604 loop_nest, a vec of loops.
5605 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5606 (DDR_LOOP_NEST): New.
5607 (print_dir_vectors, print_dist_vectors,
5608 debug_data_dependence_relation): Declared.
5609 (index_in_loop_nest): New.
5610 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5611 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5614 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5616 * simplify-rtx.c (simplify_relational_operation): Call
5617 simplify_relational_operation_1 even if mode is VOIDmode.
5619 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5621 PR tree-optimization/26804
5622 * tree.h (DECL_CALL_CLOBBERED): New macro.
5623 (tree_decl_common): Add call_clobbered_flag.
5624 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5625 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5626 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5627 (mark_non_addressable): Ditto.
5628 * tree-ssa.c (verify_call_clobbered): New function.
5629 (verify_alias_info): Use it.
5630 * tree-pass.h (pass_reset_cc_flags): New prototype.
5631 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5632 (reset_cc_flags): New function.
5633 * passes.c (init_optimization_passes): Call reset_cc_flags after
5634 initializing referenced_vars.
5636 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5637 Roger Sayle <roger@eyesopen.com>
5640 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5641 to 1.0 for non-real operands. Implement A / A optimization for
5644 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5646 * config/i386/i386.c (size_cost): Correct the comment for
5647 cost of storing fp registers.
5648 (i386_cost): Likewise.
5649 (i486_cost): Likewise.
5650 (pentium_cost): Likewise.
5651 (pentiumpro_cost): Likewise.
5652 (k6_cost): Likewise.
5653 (athlon_cost): Likewise.
5654 (k8_cost): Likewise.
5655 (pentium4_cost): Likewise.
5656 (nocona_cost): Likewise.
5657 (generic64_cost): Likewise.
5658 (generic32_cost): Likewise.
5660 2006-03-24 Denis Chertykov <denisc@overta.ru>
5662 * config/avr/avr-protos.h (extra_constraint): Delete.
5663 (extra_constraint_Q): New declaration.
5664 * config/avr/constraints.md: New file.
5665 * config/avr/avr.md: Include it.
5666 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5667 (TMP_REGNO, ZERO_REGNO): Likewise.
5668 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5669 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5670 (extra_constraint): Delete.
5671 (extra_constraint_Q): Test for memory constraint 'Q'.
5672 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5673 (REG_CLASS_FROM_LETTER): Delete.
5674 (CONST_OK_FOR_LETTER_P): Delete.
5675 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5676 (EXTRA_CONSTRAINT): Delete.
5677 (TMP_REGNO): Delete.
5678 (ZERO_REGNO): Delete.
5680 2006-03-24 Jeff Law <law@redhat.com>
5682 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5683 directly. Call mark_new_vars_to_rename slightly earlier.
5685 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5687 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5689 (gen_compile_unit_die): Use new language types for Objective-C and
5691 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5692 DW_LANG_C_plus_plus.
5695 * config/t-darwin (crt3.o): Work around bug 26840.
5696 * config/darwin-crt3.c: Rewrite.
5697 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5699 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5701 * doc/invoke.texi: Document -femit-class-debug-always
5702 * common.opt: Add -femit-class-debug-always.
5704 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5706 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5707 index and base register.
5708 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5709 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5710 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5711 REGNO_OK_FOR_INDEX_P.
5712 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5714 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5715 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5716 REG_OK_FOR_BASE_P): Definitions removed.
5718 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5721 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5722 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5723 set yet or weren't marked as local yet.
5725 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5727 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5730 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5732 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5733 (rs6000_legitimate_small_data_p): Delete.
5734 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5735 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5736 and make static. Add forward declaration. Update uses.
5737 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5738 of offsettable_memref_p.
5739 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5740 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5742 2006-03-24 Jeff Law <law@redhat.com>
5744 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5745 around bug in immediate-use iterator.
5747 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5750 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5751 or __LITTLE_ENDIAN__.
5753 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5755 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5756 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5757 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5758 * config/sh/sh.opt (mdiv=): Amend description.
5759 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5760 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5761 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5762 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5763 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5764 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5765 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5766 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5767 TARGET_DIVIDE_CALL_FP.
5769 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5771 * haifa-sched.c (choose_ready): Fix type of the local variable.
5772 Move local variables. Add comment.
5773 (check_reg_live): Change signature. Make callable from debugger.
5774 * sched-int.h (check_reg_live): Update signature.
5775 * sched-ebb.c (check_reg_live): Update parameters.
5776 * sched-rgn.c (check_reg_live): Ditto.
5777 (region_head_or_leaf_p): Check pointer before dereferencing.
5778 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5779 before reload on optimization levels below 1.
5781 2006-03-23 Richard Henderson <rth@redhat.com>
5783 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5787 * config/alpha/predicates.md (local_symbolic_operand): Reject
5790 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5793 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5794 expressions which have overflowed constants.
5796 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5798 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5800 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5802 * cfgloopmanip.c (create_loop_notes): Removed.
5803 * final.c (final_scan_insn): Do not handle loop notes.
5804 * jump.c (squeeze_notes): Ditto.
5805 * cfglayout.c (skip_insns_after_block,
5806 duplicate_insn_chain): Ditto.
5807 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5809 * cfgloop.h (create_loop_notes): Declaration removed.
5811 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5813 * varasm.c (output_constant_pool): Restore fnname and fndecl
5815 (assemble_start_function): Adjust call accordingly.
5816 (assemble_end_function): Likewise.
5818 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5821 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5824 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5826 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5829 * system.h (ICE_EXIT_CODE): New macro.
5830 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5831 (diagnostic_action_after_output): Likewise.
5832 * gcc.c (fatal_ice): New function.
5833 (execute): Use it instead of fatal.
5834 (fancy_abort): Likewise.
5835 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5837 2006-03-22 Jeff Law <law@redhat.com>
5839 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5840 iv_analyze_result returning false.
5842 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5844 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5846 2006-03-22 Richard Henderson <rth@redhat.com>
5849 * except.c (duplicate_eh_regions_0): New.
5850 (duplicate_eh_region_1): Duplicate the children of the node as
5851 well as the node itself. Link them up properly.
5852 (duplicate_eh_region_2): Merge into ...
5853 (duplicate_eh_regions): ... here. Take copy_region argument, and
5854 copy only a sub-tree if asked. Simplify copying and fixup.
5855 (eh_region_outer_p): New.
5856 * except.h (duplicate_eh_regions): Update decl.
5857 (eh_region_outer_p): Declare.
5858 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5859 (lower_omp_master): Likewise.
5860 (lower_omp_ordered): Likewise.
5861 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5862 (move_stmt_r): Use it to remap labels. Handle recursion vs
5863 remap_decls_p properly.
5864 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5865 (find_outermost_region_in_block): New.
5866 (new_label_mapper): New.
5867 (move_sese_region_to_fn): Copy eh information to the new function
5869 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5871 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5874 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5876 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5877 into shared libraries.
5879 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5881 * doc/md.texi: Refer to i386/constraints.md instead of
5883 * config/i386/constraints.md: New file, extracted from...
5884 * config/i386/predicates.md: ...here.
5885 * config/i386/i386.md: Include constraints.md.
5887 2006-03-21 Jason Merrill <jason@redhat.com>
5889 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5892 * expr.c (init_block_move_fn): Force default visibility.
5893 (init_block_clear_fn): Likewise.
5894 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5895 * targhooks.c (default_external_stack_protect_fail): Likewise.
5897 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5899 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5900 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5901 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5902 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5903 (loadgp): Use mips_current_loadgp_style.
5904 (loadgp_noshared): New pattern.
5905 (sibcall_internal): Use MIPS_CALL.
5906 (sibcall_value_internal): Likewise.
5907 (sibcall_value_multiple_internal): Likewise.
5908 (call_internal): Likewise.
5909 (call_value_internal): Likewise.
5910 (call_value_multiple_internal): Likewise.
5911 (call_split): Use MIPS_CALL and add an 'S' constraint.
5912 (call_value_split): Likewise.
5913 (call_value_multiple_split): Likewise.
5914 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5915 (-mshared): New option.
5916 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5917 (mips_current_loadgp_style): Declare.
5918 * config/mips/mips.c (mips_classify_symbol): Avoid using
5919 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5920 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5921 TARGET_ABSOLUTE_ABICALLS.
5922 (override_options): Adjust comments. Improve the warning that is
5923 issued when -mabicalls and -G are used together.
5924 (mips_file_start): Remove comment.
5925 (mips_current_loadgp_style): New function.
5926 (mips_gnu_local_gp): New variable.
5927 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5929 (mips_output_function_prologue): Use mips_current_laodgp_style.
5930 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5931 the cprestore instruction.
5932 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5933 live for TARGET_ABSOLUTE_ABICALLS.
5934 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5935 (ASM_SPEC): Pass down -mshared and -mno-shared.
5936 (MIPS_CALL): New macro.
5937 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5939 * doc/invoke.texi (-mabicalls): Update documentation.
5940 (-mshared): Document.
5942 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5944 * config/ia64/unwind-hpux.c: New file.
5945 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5947 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5950 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5952 2006-03-21 Jeff Law <law@redhat.com>
5954 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5955 type conversions of a VR_VARYING source to a wider type.
5957 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5959 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5960 tm_file on Solaris 10 and later.
5961 (sparc64-*-solaris2*): Likewise.
5962 (sparc-*-solaris2*): Likewise.
5963 * config/sol26.h: Rename to config/sol2-6.h.
5964 * config/sol2-10.h: New file.
5966 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5969 * tree-ssa-pre.c (create_component_ref_by_pieces):
5972 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5975 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5976 return it immediately.
5978 2006-03-21 Michael Matz <matz@suse.de>
5980 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5982 (remove_arc, add_arc): Update num_out_arcs member.
5983 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5985 (cache_presence): New function.
5986 (compare_states_for_equiv): New function.
5987 (state_is_differed): Don't take number of outargs, adjust callers.
5988 Use new invariant for speeding up.
5989 (init_equiv_class): Create initial classes based on sorted
5991 (partition_equiv_class): Don't track out_arcs_num.
5992 (evaluate_equiv_classes): Call cache_presence on all states and
5995 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5997 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5998 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5999 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6000 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6002 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6003 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6004 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6005 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6006 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6008 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6009 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6010 (REGNO_REG_CLASS): ARGP is in PREGS.
6011 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6013 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6014 to deal with those addresses.
6015 * addresses.h: New file.
6016 * caller-save.c: Include "addresses.h".
6017 (init_caller_save): Use new base_reg_class function.
6018 * rtl-factoring.c: Include "addresses.h".
6019 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6020 * recog.c: Include "addresses.h".
6021 (preprocess_constraints): Use new base_reg_class function.
6022 * regrename.c: Include "addresses.h".
6023 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6024 functions. Keep track of a new var INDEX_CODE to compute valid
6026 (replace_oldest_value_addr): Likewise.
6027 (replace_oldest_value_mem): Use base_reg_class.
6028 * reload.c: Include "addresses.h".
6029 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6030 (find_reloads): Use new base_reg_class function.
6031 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6032 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6033 all callers and prototype changed.
6034 * reload1.c: Include "addresses.h".
6035 (maybe_fix_stack_asms): Use base_reg_class.
6036 * regclass.c: Include "addresses.h".
6037 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6038 (init_reg_autoinc): Use new base_reg_class function.
6039 (record_reg_classes): Likewise.
6040 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6041 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6042 Use new args to compute necessary class.
6044 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6045 regrename.o, rtl-factoring.o): Update dependencies.
6046 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6047 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6048 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6049 REG_OK_FOR_INDEX_P): Delete documentation.
6051 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6053 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6054 from V7 to V9 for Solaris 7 and above.
6056 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6058 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6059 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6060 argument pointers may not alias any other storage.
6061 * common.opt: Define option -fargument-noalias-anything.
6062 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6063 alias semantics is specified by flag_argument_noalias > 2.
6065 2006-03-20 Jeff Law <law@redhat.com>
6067 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6068 (pass_phi_only_cprop): Declare.
6069 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6071 * tree-ssa-dom.c (degenerate_phi_result): New function.
6072 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6073 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6074 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6075 (eliminate_degenerate_phis): Likewise.
6076 (pass_phi_only_cprop): New pass descriptor.
6077 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6078 support code. Callers updated.
6079 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6080 (store_copy_prop): Likewise.
6081 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6083 2006-03-20 Jason Merrill <jason@redhat.com>
6086 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6087 (push_visibility, pop_visibility): Likewise.
6088 * c-pragma.h: Declare them.
6090 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6092 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6094 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6095 parameter and use get_ebb_head_tail.
6096 (sh_md_init_global): Adjust uses of find_regmode_weight.
6098 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6100 * function.h (struct function) <x_tail_recursion_reentry>:
6101 Rename to x_stack_check_probe_note.
6102 (tail_recursion_reentry): Rename to stack_check_probe_note.
6103 * function.c: Replace tail_recursion_reentry with
6104 stack_check_probe_note everywhere.
6105 (expand_function_start): Only emit a note for
6106 stack_check_probe_note with -fstack-protect.
6107 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6109 * emit-rtl.c (remove_unnecessary_notes): Remove.
6110 (pass_remove_unnecessary_notes): Remove.
6111 * rtl.h (remove_unnecessary_notes): Remove prototype.
6112 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6113 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6114 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6116 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6119 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6120 (valid_in_set): Handle ARRAY_REF.
6121 Change "if min_variant or VH" to asserts.
6122 (create_component_ref_by_pieces): Handle ARRAY_REF.
6123 (create_expression_by_pieces): Likewise.
6124 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6126 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6128 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6129 is operand of switch, not str[0].
6131 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6133 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6134 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6136 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6138 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6139 end of insn_extra_address_constraint declaration.
6141 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6143 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6144 (no-sum-in-toc): Same.
6145 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6147 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6148 NO_FP_IN_TOC for -fPIC instead of mask.
6150 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6151 (BOOT_LDFLAGS): Delete.
6153 * config/rs6000/t-aix52: Same.
6155 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6156 (stmsi[345678]_power): New.
6158 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6160 * config/ia64/ia64.opt: Add empty line to end of file.
6162 2006-03-17 Richard Guenther <rguenther@suse.de>
6165 * builtins.c (get_pointer_alignment): For component style references
6166 adjust alignment to the component type alignment. Make sure
6167 to adjust alignment for component access of constants.
6169 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6171 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6174 2006-03-17 Paul Brook <paul@codesourcery.com>
6176 * doc/install.texi: Docuemnt --with-mode.
6177 * config.gcc: Add --with-mode for arm*-*-*.
6178 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6180 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6182 * sh.c (max_labelno_before_reorg): New variable.
6183 (sh_reorg): Initialize it.
6184 (find_barrier): Check max_labelno_before_reorg before using
6185 label_to_alignment. Take length of explicit alignment insns
6186 into account. When seeing a UNSPECV_CONST_END, return it.
6188 * sh.c (fixup_mova): Set mode of affected label to QImode.
6189 (untangle_mova): New function.
6190 (find_barrier): Use it. Check mode of label before decrementing
6192 (sh_reorg): Likewise.
6193 Set mode of all insns back to VOIDmode.
6195 * sh.c (MOVA_LABELREF): New macro.
6196 (mova_p, fixup_mova, sh_reorg): Use it.
6197 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6198 ADDR_DIFF_VEC matches mova.
6200 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6202 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6203 with ATTRIBUTE_UNUSED.
6205 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6207 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6208 pointer, instead of assuming it is possible to derive the
6209 correct args size from a call insn.
6211 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6213 * rtl.h (CONST_INT_P): Define.
6214 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6215 instead of GET_CODE(x) == CONST_INT.
6216 (vax_rtx_costs): Likewise.
6217 (vax_output_int_move): Likewise.
6218 (vax_output_int_add): Likewise.
6219 (legitimate_constant_address_p): Likewise.
6220 (index_term_p): Likewise.
6221 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6222 * config/vax/vax.md (and<mode>3): Likewise.
6223 (ashrsi3): Likewise.
6225 (movstricthi): Likewise.
6226 (movstrictqi): Likewise.
6227 (rotrsi3): Likewise.
6228 (five unnamed insns): Likewise.
6230 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6232 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6233 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6234 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6235 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6236 Pass to ASM_OUTPUT_DWARF_OFFSET.
6237 * dwarf2out.c (debug_frame_section): New.
6238 (output_call_frame_info): Use debug_frame_section. Pass it to
6239 dw2_asm_output_offset.
6240 (output_die): Pass appropriate section to dw2_asm_output_offset.
6241 (output_compilation_unit_header): Likewise.
6242 (output_pubnames): Likewise.
6243 (output_aranges): Likewise.
6244 (enum dw_val_class): Break dw_val_class_lbl_offset into
6245 dw_val_class_lineptr and dw_val_class_macptr.
6246 (add_AT_lbl_offset): Delete.
6247 (add_AT_lineptr): New.
6248 (add_AT_macptr): New.
6249 (AT_lbl): Expect a lineptr or macptr.
6250 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6251 (attr_checksum): Likewise.
6252 (same_dw_val_p): Likewise.
6253 (size_of_die): Likewise.
6254 (value_format): Likewise.
6255 (output_die): Likewise.
6256 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6258 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6259 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6260 * config/darwin-protos.h (darwin_file_start): New.
6261 (darwin_asm_output_dwarf_offset): New.
6262 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6263 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6265 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6266 if not EH section; simplify.
6267 (darwin_file_start): New.
6268 (darwin_asm_output_dwarf_offset): New.
6269 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6271 (DEBUG_INFO_SECTION): Likewise.
6272 (DEBUG_ABBREV_SECTION): Likewise.
6273 (DEBUG_ARANGES_SECTION): Likewise.
6274 (DEBUG_MACINFO_SECTION): Likewise.
6275 (DEBUG_LINE_SECTION): Likewise.
6276 (DEBUG_LOC_SECTION): Likewise.
6277 (DEBUG_PUBNAMES_SECTION): Likewise.
6278 (DEBUG_STR_SECTION): Likewise.
6279 (DEBUG_RANGES_SECTION): Likewise.
6280 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6281 (ASM_OUTPUT_DWARF_OFFSET): New.
6283 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6285 * config.gcc (tm_defines): Always add to previous value rather
6288 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6290 * config/mips/predicates.md (splittable_const_int_operand): New,
6291 split from move_operand.
6292 (splittable_symbolic_operand): New.
6293 (move_operand): Add commentary. Use splittable_const_int_operand.
6294 Inline mips_atomic_symbolic_constant_p.
6295 * config/mips/mips.md: Add combine splitters for handling moves
6296 of splittable_const_int_operands and splittable_symbolic_operands.
6297 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6298 (mips_split_symbol): Declare.
6299 (mips_move_integer): Declare.
6300 * config/mips/mips.c (mips_split_p): Make global.
6301 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6302 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6303 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6304 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6305 (mips_offset_within_object_p): Handle block symbols.
6306 (mips_atomic_symbolic_constant_p): Delete.
6307 (mips_cannot_force_const_mem): Return false for constants that
6308 mips_legitimize_move can handle.
6309 (mips_use_blocks_for_constant_p): New function.
6310 (mips_split_symbol): Make global.
6311 (mips_move_integer): Likewise. Add a temporary register argument.
6312 (mips_legitimize_const_move): Use splittable_const_int_operand and
6313 splittable_symbolic_operand.
6314 (mips_use_anchors_for_symbol_p): New function.
6315 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6316 (mips_split_p): Declare.
6318 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6320 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6321 (mips*-*-linux*): Likewise.
6323 2006-03-16 Roger Sayle <roger@eyesopen.com>
6324 Daniel Speyer <dspeyer@wam.umd.edu>
6327 * tree-dump.c (dump_real): New function.
6328 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6329 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6330 (tree-dump.o): Add $(REAL_H) to the dependencies.
6332 2006-03-16 Roger Sayle <roger@eyesopen.com>
6335 * real.c (real_from_string): If the mantissa is zero, don't bother
6336 parsing the exponent as the result should always be zero.
6338 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6340 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6342 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6344 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6345 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6346 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6347 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6348 ia64_sched_finish_global): New static functions to implement
6349 hooks from gcc_target.sched.
6350 (spec_check_no, max_uid, pending_data_specs): New static variables.
6351 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6352 ia64_spec_check_src_p): New static functions.
6353 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6354 (TARGET_SCHED_ADJUST_COST): Removed.
6355 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6356 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6357 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6358 TARGET_SCHED_GEN_CHECK,
6359 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6360 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6361 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6362 Fixed to handle speculation checks.
6363 (rtx_needs_barrier): Fixed to handle speculative loads and
6365 (ia64_variable_issue): Added code to count speculative loads and their
6367 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6369 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6371 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6373 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6374 (ia64_reorg): Reset stops_p to NULL after it is freed.
6375 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6376 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6377 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6379 (data_speculative, control_speculative, check_load): New attributes.
6380 (mov<mode>_advanced, mov<mode>_speculative,
6381 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6382 zero_extend<mode>di2_speculative,
6383 zero_extend<mode>di2_speculative_advanced): New patterns for
6384 data and control speculative loads.
6385 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6387 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6388 New pattern for data and control speculation checks.
6389 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6390 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6391 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6392 Auxiliary definitions for the patterns.
6393 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6394 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6396 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6398 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6399 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6400 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6401 New resource constraints.
6402 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6404 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6405 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6406 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6407 msched-in-control-spec, msched-ldc, msched-control-ldc,
6408 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6409 msched-prefer-non-control-spec-insns,
6410 msched-count-spec-in-critical-path): New flags to tune speculative
6412 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6413 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6414 msched-in-control-spec, msched-ldc, msched-control-ldc,
6415 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6416 msched-prefer-non-control-spec-insns,
6417 msched-count-spec-in-critical-path): Document new flags.
6419 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6421 * target.h (struct spec_info_def): New opaque declaration.
6422 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6423 speculate_insn, needs_block_p, gen_check,
6424 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6425 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6426 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6427 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6428 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6429 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6431 (TARGET_SCHED): Use new macros.
6432 * rtl.h (copy_DEPS_LIST_list): New prototype.
6433 * sched-int.h (struct sched_info): Change signature of new_ready field,
6434 adjust all initializations. New fields: add_remove_insn,
6435 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6436 region_head_or_leaf_p.
6437 (struct spec_info_def): New structure declaration.
6438 (spec_info_t): New typedef.
6439 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6440 recovery_block, orig_pat.
6441 (glat_start, glat_end): New variables declaraions.
6442 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6444 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6445 DETACH_LIFE_INFO, USE_GLAT.
6446 (enum SPEC_SCHED_FLAGS): New enumeration.
6447 (NOTE_NOTE_BB_P): New macro.
6448 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6449 attach_life_info, debug_spec_status, check_reg_live): New functions.
6450 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6451 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6453 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6454 * ddg.c (get_block_head_tail): Adjust all uses.
6455 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6456 (sms_sched_info): Initialize new fields.
6457 (contributes_to_priority): Removed.
6458 * haifa-sched.c (params.h): New include.
6459 (get_block_head_tail): Adjust all uses.
6460 (ISSUE_POINTS): New macro.
6461 (glat_start, glat_end): New global variables.
6462 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6463 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6464 old_last_basic_block, before_recovery, current_sched_info_var,
6465 rgn_n_insns, luid): New static variables.
6466 (insn_cost1): New function. Move logic from insn_cost to here.
6467 (find_insn_reg_weight1): New function. Move logic from
6468 find_insn_reg_weight to here.
6469 (reemit_notes, move_insn, max_issue): Change signature.
6470 (move_insn1): Removed.
6471 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6472 extend_bb): New static functions to support extension of scheduler's
6474 (generate_recovery_code, process_insn_depend_be_in_spec,
6475 begin_speculative_block, add_to_speculative_block,
6476 init_before_recovery, create_recovery_block, create_check_block_twin,
6477 fix_recovery_deps): New static functions to support
6478 generation of recovery code.
6479 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6480 restore_bb_notes, move_block_after_check, move_succs): New static
6481 functions to support ebb scheduling.
6482 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6483 functions to support handling of register live information.
6484 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6485 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6486 add_jump_dependencies): New static functions.
6487 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6488 consistancy checking.
6489 (debug_spec_status): New function to call from debugger.
6490 (priority): Added code to handle speculation checks.
6491 (rank_for_schedule): Added code to distinguish speculative instructions.
6492 (schedule_insn): Added code to handle speculation checks.
6493 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6494 Fixed to handle ebbs.
6495 (move_insn): Added code to handle ebb scheduling.
6496 (max_issue): Added code to use ISSUE_POINTS of instructions.
6497 (choose_ready): Added code to choose between speculative and
6498 non-speculative instructions.
6499 (schedule_block): Added code to handle ebb scheduling and scheduling of
6500 speculative instructions.
6501 (sched_init): Initialize new variables.
6502 (sched_finish): Free new variables. Print statistics.
6503 (try_ready): Added code to handle speculative instructions.
6504 * lists.c (copy_DEPS_LIST_list): New function.
6505 * sched-deps.c (extend_dependency_caches): New function. Move logic
6506 from create_dependency_caches to here.
6507 (get_dep_weak, ds_merge): Make global.
6508 * genattr.c (main): Code to output prototype for
6509 dfa_clear_single_insn_cache.
6510 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6511 (output_dfa_clean_insn_cache_func): Code to output
6512 dfa_clear_single_insn_cache function.
6513 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6515 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6517 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6518 New static variables.
6519 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6520 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6522 (ebb_sched_info): Initialize new fields.
6523 (get_block_head_tail): Adjust all uses.
6524 (compute_jump_reg_dependencies): Fixed to use glat_start.
6525 (schedule_ebb): Code to remove unreachable last block.
6526 (schedule_ebbs): Added code to update register live information.
6527 * sched-rgn.c (region_sched_info): Initialize new fields.
6528 (get_block_head_tail): Adjust all uses.
6529 (last_was_jump): Removed. Adjust users.
6530 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6531 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6532 Implement new hooks.
6533 (check_dead_notes1): New static function.
6534 (struct region): New fields: dont_calc_deps, has_real_ebb.
6535 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6536 (BB_TO_BLOCK): Fixed to handle EBBs.
6537 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6538 (ebb_head): New static variable.
6539 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6540 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6542 (compute_dom_prob_ps): New assertion.
6543 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6544 global_live_at_start.
6545 (init_ready_list): New assertions.
6546 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6547 (new_ready): Add support for BEGIN_CONTROL speculation.
6548 (schedule_insns): Fixed code that updates register live information
6550 (schedule_region): Fixed to handle EBBs.
6551 (init_regions): Use extend_regions and check_dead_notes1.
6552 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6553 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6554 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6555 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6556 TARGET_SCHED_GEN_CHECK,
6557 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6558 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6559 * doc/invoke.texi (max-sched-insn-conflict-delay,
6560 sched-spec-prob-cutoff): Document.
6562 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6564 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6565 inter_tick, queue_index.
6566 (struct sched_info): Change signature of init_ready_list field.
6567 Adjust all initializations.
6568 (RESOLVED_DEPS): New access macro.
6569 (ready_add): Remove prototype.
6570 (try_ready): Add prototype.
6571 * sched-rgn.c (init_ready_list): Use try_ready.
6572 (schedule_region): Initialize
6573 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6574 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6575 (init_ready_list): Use try_ready.
6576 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6577 * lists.c (remove_list_elem): Remove `static'.
6578 (remove_free_INSN_LIST_elem): New function.
6579 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6580 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6581 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6583 (readyp): New variable.
6584 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6585 change_queue_index, resolve_dep): New static functions.
6586 (try_ready): New function. Adjust callers in sched-rgn.c and
6587 sched-ebb.c to use it instead of ready_add.
6588 (clock_var): Move at the begining of file.
6589 (rank_for_schedule): Fix typo.
6590 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6591 (ready_lastpos): Enforce assertion.
6592 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6594 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6595 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6596 (queue_to_ready): Use free_INSN_LIST_list.
6597 (early_queue_to_ready): Fix typo.
6598 (schedule_block): Init readyp. Move init_ready_list call after the
6599 initialization of clock_var. Fix error in rejecting insn by
6600 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6601 that previously corrected INSN_TICKs. Add code for handling
6603 (set_priorities): Fix typo.
6604 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6605 Clarify comment and code that keeps current_sched_info->next_tail
6608 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6610 * sched-rgn.c (extend_rgns): New static function.
6611 (find_rgns): Use it.
6612 (gather_region_statistics, print_region_statistics): New static
6614 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6615 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6617 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6618 Andrey Belevantsev <abel@ispras.ru>
6620 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6621 * lists.c (unused_deps_list): New variable.
6622 (free_list): Add assertions to verify the proper distinguishing
6623 between INSN_LISTs and DEPS_LISTs.
6624 (find_list_elem, remove_list_elem, remove_list_node): New static
6626 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6627 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6628 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6629 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6631 (free_INSN_LIST_node): Likewise.
6632 * modulo-sched.c (current_sched_info): Initialize flags field.
6633 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6634 * rtl.def (DEPS_LIST): Define.
6635 * rtl.h: Declare new functions from lists.c.
6636 * sched-deps.c (spec_dependency_cache): New static variable.
6637 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6638 (add_dependence): Change return type to void. Move the logic to ...
6639 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6640 (delete_all_dependences): Add comment about forward_dependency_cache.
6641 Handle spec_dependency_cache. Handle DEPS_LISTs.
6642 (fixup_sched_groups): Clarify the change of priority of output
6643 and anti dependencies.
6644 (sched_analyze_2): Adjust add_dependence calls to create data
6645 speculative dependence.
6646 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6647 Adjust all callers. Handle DEPS_LISTS.
6648 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6649 presence of speculation.
6650 (init_dependency_caches, free_dependency_caches):
6651 Handle spec_dependency_cache.
6652 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6653 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6654 New static functions.
6655 (add_or_update_back_dep, add_or_update_back_forw_dep,
6656 add_back_forw_dep, delete_back_forw_dep): New functions.
6657 * sched-int.h (ds_t, dw_t): New typedefs.
6658 (struct sched_info): Add new field flags.
6659 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6660 Prototype new sched-deps.c functions.
6661 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6662 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6663 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6664 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6665 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6666 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6668 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6670 * sched-rgn.c (current_sched_info): Initialize flags field.
6671 (schedule_insns): Initialize current_sched_info before the sched_init
6673 * sched-ebb.c (current_sched_info): Initialize flags field.
6674 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6675 Call add_or_update_back_dep instead of add_dependence.
6676 Create control speculative dependencies.
6677 (schedule_insns): Initialize current_sched_info before the sched_init
6680 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6682 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6684 (sh_fallback_frame_state): Likewise.
6686 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6688 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6689 Do switch on default_use_cxa_atexit.
6690 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6691 * config/darwin-crt3.o: New.
6692 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6693 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6694 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6696 * config/rs6000/t-darwin: Move crt2.o building to here.
6697 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6698 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6701 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6703 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6704 from '! xxx' to '!xxx' for coding-style conformance.
6705 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6706 (EXTRA_CONSTRAINT): Likewise.
6707 * config/vax/vax.md (four unnamed insns): Likewise.
6709 2006-03-15 Paul Brook <paul@codesourcery.com>
6711 * config/arm/arm.c (minipool_pad): New.
6712 (add_minipool_forward_ref): Include pool alignment padding in address
6714 (push_minipool_fix): Set minipool_pad.
6715 (minipool_pad): Ditto.
6717 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6719 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6720 instead of GET_CODE() == MEM and REG_P() instead of
6722 (print_operand_address): Likewise.
6723 (vax_address_cost): Likewise.
6724 (vax_rtx_costs): Likewise.
6725 (vax_notice_update_cc): Likewise.
6726 (vax_output_int_add): Likewise.
6727 (INDEX_REGISTER_P): Likewise.
6728 (BASE_REGISTER_P): Likewise.
6729 (nonindexed_address_p): Likewise.
6730 (vax_mode_dependent_address_p): Likewise.
6731 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6732 (PRINT_OPERAND): Likewise.
6733 * config/vax/vax.md (ashlsi3): Likewise.
6734 (ashlsi3): Likewise.
6735 (some more unnamed insns): Likewise.
6737 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6739 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6740 iterator-style macro.
6741 (mark_control_dependent_edges_necessary): Update the use of
6742 EXECUTE_IF_CONTROL_DEPENDENT.
6744 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6746 * config/sh/predicates.md (cache_address_operand): Special.
6747 (ua_address_operand): Likewise.
6749 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6751 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6753 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6755 2006-03-15 Andreas Schwab <schwab@suse.de>
6757 * gensupport.c (identify_predicable_attribute): Don't free p_false
6758 when it is still in use.
6760 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6762 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6763 the default setting here.
6765 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6767 * tree-pass.h (pass_cfg): Remove.
6768 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6769 * passes.c (pass_cfg): Don't run it.
6771 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6773 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6774 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6776 (stack_regs_mentioned): Update the uses of
6777 stack_regs_mentioned_data. Don't access the array beyond its
6779 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6780 Don't include gt-reg-stack.h.
6782 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6783 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6785 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6788 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6791 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6793 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6795 2006-03-14 Richard Guenther <rguenther@suse.de>
6797 PR tree-optimization/26672
6798 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6801 2006-03-14 Richard Guenther <rguenther@suse.de>
6803 PR tree-optimization/26667
6804 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6805 node for the callees. Always allow inlining if it will shrink
6808 2006-03-14 Richard Guenther <rguenther@suse.de>
6811 * builtins.c (get_pointer_alignment): Prefer alignment
6812 information from decls over that from types.
6814 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6817 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6819 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6821 * config/rs6000/rs6000.opt (mdlmzb): New option.
6822 (msched-prolog, msched-epilog): Use Var not Mask.
6823 * doc/invoke.texi (-mdlmzb): Document.
6824 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6826 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6827 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6829 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6831 PR rtl-optimization/25739
6832 * bt-load.c (augment_live_range): Free tos pointer.
6834 * gensupport.c (identify_predicable_attribute): Free
6836 * gcov.c (create_file_names): Free name pointer.
6838 2006-03-13 Roger Sayle <roger@eyesopen.com>
6841 * stmt.c (emit_case_nodes): Handle the case where the index is a
6842 CONST_INT, where the comparison mode is specified by the index type.
6844 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6846 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6849 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6851 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6852 (*branch_fp_inverted): Likewise.
6854 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6857 * omp-low.c (expand_omp_for_generic): Mark istart0
6858 and iend0 as addressable.
6860 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6862 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6864 2006-03-13 Jeff Law <law@redhat.com>
6866 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6867 virtual operands are interesting.
6868 (vrp_visit_stmt): Corresponding changes.
6870 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6872 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6874 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6875 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6876 * config/bfin/crti.S: Use it instead of __PIC__.
6877 * config/bfin/crtn.S: Likewise.
6879 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6880 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6882 Lose 'G' modifier for call operand.
6883 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6884 recognize 'G' modifier.
6886 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6889 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6890 * stmt.c (expand_case): Likewise.
6892 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6894 PR rtl-optimization/26254
6895 * loop-invariant.c (seq_insns_valid_p): New function.
6896 (move_invariant_reg): Only emit new code if it is valid.
6898 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6900 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6902 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6903 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6904 (commit_one_edge_insertion): Do not look for loop notes.
6906 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6908 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6909 flag_test_coverage out of loop.
6911 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6913 * final.c (shorten_branches): Remove outdated comment, and turn
6914 the if branch that guards it to continue.
6916 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6918 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6919 * cfgloop.h (struct loop): Remove unused fields.
6921 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6923 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6924 (-dL, -fdump-rtl-loop2): Update the dump file names
6926 * doc/invoke.texi: Update dump file names.
6928 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6930 * predict.c (estimate_probability): Remove.
6931 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6932 * basic-block.h (estimate_probability): Remove prototype.
6933 * passes.c (finish_optimization_passes): Dump branch prediction or
6934 profiling heuristics to the .profile tree dump.
6935 (init_optimization_passes): Unqueue pass_branch_prob.
6937 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6939 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6941 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6942 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6944 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6946 * function.h (frame_offset_overflow): Declare.
6947 * function.c (frame_offset_overflow): New function.
6948 (assign_stack_local_1): Call it to detect that the offset overflows.
6949 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6951 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6953 * config/sh/sh.c: Include alloc-pool.h.
6954 (label_ref_list_pool): New alloc pool.
6955 (label_ref_list_t): New type for lists of labels.
6956 (struct pool_node): Make wend a label_ref_list_t.
6957 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6959 (dump_table): Likewise.
6960 (sh_reorg): Set up the alloc pool before using add_constant and
6961 dump_table, and destroy it when finishing.
6963 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6965 * config/mips/mips.c: Remove redundant comment.
6967 2006-03-10 Jason Merrill <jason@redhat.com>
6970 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6971 the target was declared 'register'.
6973 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6975 * genpreds.c (write_insn_constraint_len): Change definition of
6976 insn_constraint_len to return size_t to match the declaration.
6978 2006-03-10 DJ Delorie <dj@redhat.com>
6980 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6982 (m32c_expand_insv): Fix test for an AND mask.
6984 2006-03-10 Richard Guenther <rguenther@suse.de>
6987 * builtins.c (get_pointer_alignment): Handle component
6988 references for field alignment.
6990 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6992 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6993 when building with libgloss.
6994 (sh*elf): Implement --without-fp option.
6995 (sh64-superh-linux*): Don't multilib.
6997 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6999 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7001 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7003 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7004 Set it when one of the replacement functions returned true.
7005 Return TODO_cleanup_cfg if cfgchanged is true.
7006 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7008 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7010 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7011 instead of gen_lowpart.
7013 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7015 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7017 (mips_output_order_conditional_branch): Declare.
7018 * config/mips/mips.h (MIPS_BRANCH): New macro.
7019 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7020 for the comparison. Use gen_condjump.
7021 (mips_output_conditional_branch): Rework interface to take the
7022 asm templates for a direct branch and the inverse of a direct branch.
7023 (mips_output_order_conditional_branch): New function.
7024 (mips_builtin_branch_and_move): New function.
7025 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7026 branch condition. Use gen_single_cc as the condition for
7027 __builtin_mips_upper_* or __builtin_mips_lower_*.
7028 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7029 Use VOIDmode for the branch condition.
7030 * config/mips/predicates.md (order_operator): New predicate.
7031 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7032 (branch_fp): Rename to...
7033 (*branch_fp): ...this. Remove mode from comparison operator.
7034 Use new mips_output_conditional_branch interface.
7035 (branch_fp_inverted): Rename to...
7036 (*branch_fp_inverted): ...this and update as for *branch_fp.
7037 (*branch_zero<mode>): Rename to...
7038 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7039 Use mips_output_order_conditional_branch. Only accept ordered
7041 (*branch_zero<mode>_inverted): Rename to...
7042 (*branch_order<mode>_inverted): ...this and update as for
7043 *branch_order<mode>.
7044 (*branch_equality<mode>): Accept zero as the second operand to
7045 the equality operator. Use the new mips_output_conditional_branch
7047 (*branch_equality<mode>_inverted): Likewise.
7048 (condjump): New expander.
7049 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7051 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7052 (bc1any2t, bc1any2f): Likewise.
7053 (single_cc): New expander.
7054 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7056 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7058 * doc/md.texi: Update documentation of MIPS constraints.
7059 * config/mips/constraints.md: New file.
7060 * config/mips/mips.md: Include it.
7061 * config/mips/mips.c (mips_char_to_class): Delete.
7062 (override_options): Don't initialize mips_char_to_class.
7063 * config/mips/mips.h (mips_char_to_class): Delete.
7064 (REG_CLASS_FROM_LETTER): Delete.
7065 (CONST_OK_FOR_LETTER_P): Delete.
7066 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7067 (EXTRA_CONSTRAINT_Y): Delete.
7068 (EXTRA_CONSTRAINT_STR): Delete.
7069 (CONSTRAINT_LEN): Delete.
7070 (EXTRA_MEMORY_CONSTRAINT): Delete.
7072 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7074 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7075 original fn's eh regions.
7077 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7079 * fold-const.c (build_range_check): Make sure to use a valid type to
7080 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7083 (range_predecessor): New static function.
7084 (range_successor): Likewise.
7085 (merge_ranges): Use them to compute predecessors and successors of
7088 2006-03-09 Roger Sayle <roger@eyesopen.com>
7091 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7092 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7094 2006-03-08 DJ Delorie <dj@redhat.com>
7096 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7097 (addpsi3): Expand to include memory operands. Remove
7098 reload-specific splits.
7099 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7100 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7101 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7102 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7103 (shift1_qi, shift1_hi, insv): New.
7104 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7105 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7106 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7108 * config/m32c/m32c-protos.h: Update as needed.
7109 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7110 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7111 Fail for unrecognized R* constraints.
7112 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7113 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7114 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7116 (m32c_init_libfuncs): New.
7117 (m32c_legitimate_address_p): Add debug wrapper.
7118 (m32c_rtx_costs): New.
7119 (m32c_address_cost): New.
7120 (conversions): Add 'B' prefix.
7121 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7122 operands, or word regnames for QI operands. 'B' prints bit
7124 (m32c_expand_setmemhi): New.
7125 (m32c_expand_movmemhi): New.
7126 (m32c_expand_movstr): New.
7127 (m32c_expand_cmpstr): New.
7128 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7129 (m32c_expand_neg_mulpsi3): Handle non-ints.
7130 (m32c_cmp_flg_0): New.
7131 (m32c_expand_movcc): New.
7132 (m32c_expand_insv): New.
7133 (m32c_scc_pattern): New.
7134 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7135 a0/a1 out of SIregs.
7136 (STORE_FLAG_VALUE): New.
7137 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7140 * config/m32c/mov.md: Make constraints more liberal.
7141 (zero_extendqihi2): Optimize r0/r1 case.
7142 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7143 * config/m32c/predicates.md (m32c_any_operand): New.
7144 (m32c_nonimmediate_operand): New.
7145 (m32c_hl_operand): New.
7146 (m32c_r3_operand): New.
7149 (memsym_operand): New.
7150 (memimmed_operand): New.
7151 (a_qi_operand): New.
7152 (m32c_eqne_operator): New.
7153 (m32c_1bit8_operand): New.
7154 (m32c_1bit16_operand): New.
7155 (m32c_1mask8_operand): New.
7156 (m32c_1mask16_operand): New.
7157 * config/m32c/blkmov.md: New file.
7158 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7160 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7162 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7163 unsigned to fix signed/unsigned comparison issue in
7164 DWARF2_FRAME_REG_OUT.
7165 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7166 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7168 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7169 of ptr into the ENABLE_CHECKING section.
7171 2006-03-08 Jeff Law <law@redhat.com>
7173 * tree-vrp.c (infer_value_range): Only count pointer uses
7174 and dereferences if -fdelete-null-pointer-checks is enabled.
7176 * tree-vrp.c (find_assert_locations): Infer value ranges for
7177 single use pointers, but do not create ASSERT_EXPRs for them.
7178 When a non-null range is inferred for a pointer, backwards
7179 propagate that range to other equivalent pointers through the
7182 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7185 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7186 language hook targets.
7187 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7188 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7189 if language hook targets were missing.
7191 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7193 * tree-ssa-opfinalize.h: Removed.
7194 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7196 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7197 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7198 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7199 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7200 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7201 finalize_ssa_v_must_def_ops): New.
7203 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7205 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7208 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7210 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7212 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7213 addresses with offsets; reorganize.
7215 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7216 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7217 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7219 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7222 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7224 2006-03-08 Ben Elliston <bje@au.ibm.com>
7226 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7228 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7231 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7234 2006-03-07 Richard Guenther <rguenther@suse.de>
7236 PR tree-optimization/26587
7237 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7239 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7241 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7243 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7245 * hooks.c (hook_bool_mode_rtx_true): New function.
7246 * hooks.h (hook_bool_mode_rtx_true): Declare.
7247 * toplev.c (compile_file): Call output_shared_constant_pool.
7248 * varasm.c (shared_constant_pool): New variable.
7249 (assemble_start_function, assemble_end_function): Remove arguments
7250 from call to output_constant_pool.
7251 (create_constant_pool): New function, split out from...
7252 (init_varasm_status): ...here.
7253 (force_const_mem): Choose between the shared and per-function constant
7254 pools. Set current_function_uses_const_pool when reusing old entries
7255 as well as when creating new ones.
7256 (mark_constant): Ignore data argument.
7257 (mark_constants): Remove pool argument.
7258 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7259 to decide whether the function uses a constant pool.
7260 (output_constant_pool_contents): New function, split out from...
7261 (output_constant_pool): ...here.
7262 (output_shared_constant_pool): New function.
7263 (init_varasm_once): Initialize shared_constant_pool.
7264 * output.h (output_constant_pool): Delete.
7265 (output_shared_constant_pool): Declare.
7266 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7267 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7269 2006-03-06 Nick Clifton <nickc@redhat.com>
7271 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7272 flag_strength_reduce.
7274 2006-03-06 Ben Elliston <bje@au.ibm.com>
7276 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7277 x86_64-*-linux* configurations.
7279 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7280 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7282 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7284 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7286 * basic-block.h: Remove the extern for
7287 rediscover_loops_after_threading.
7289 * cfgloop.c (cancel_loop): Make it static.
7290 * cfgloop.h: Remove the prototype for cancel_loop.
7292 * flow.c (recompute_reg_usage): Make it static.
7293 * rtl.h: Remove the prototype for recompute_reg_usage.
7295 * function.c (use_return_register): Make it static.
7296 * function.h: Remove the prototype.
7298 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7300 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7302 * recog.h: Remove the prototype for
7303 validate_change_maybe_volatile.
7305 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7307 * rtlanal.c (replace_reg): Remove.
7308 * rtl.h: Remove the prototype for replace_reg.
7310 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7312 * regclass.c (reg_scan_update): Remove.
7313 (reg_scan_mark_refs): Remove the last argument.
7314 * rtl.h: Remove the prototype for reg_scan_update.
7316 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7318 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7319 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7320 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7321 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7322 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7323 loop-invariant.c, omp-low.c, opts.c, passes.c,
7324 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7325 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7326 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7327 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7328 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7329 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7331 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7333 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7334 * dwarf2out.h: Remove the prototype for
7335 dwarf2out_add_library_unit_info.
7337 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7339 * tree.c (add_var_to_bind_expr): Remove.
7340 * tree.h: Remove the prototype for add_var_to_bind_expr.
7342 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7344 * regclass.c (n_non_fixed_regs): Remove.
7345 (init_reg_sets_1, globalize_reg): Remove all uses of
7347 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7349 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7351 * rtlanal.c (insns_safe_to_move_p): Remove.
7352 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7354 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7356 * expmed.c (expand_mult_add): Remove.
7357 * expr.h: Remove the prototype for expand_mult_add.
7359 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7361 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7362 and REG_SAVED_VAL_EXP constants.
7363 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7364 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7365 Handle regs stored by value.
7366 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7367 (execute_cfa_program): Handle DW_CFA_val_offset,
7368 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7369 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7370 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7371 (uw_install_context_1): Handle target regs stored by value.
7373 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7375 * tree-sra.c (tree_sra): Return todoflags;
7376 (generate_one_element): Set TODO_update_smt_usage if needed.
7377 (pass_sra): Remove TODO_update_smt_usage.
7378 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7380 (tree_ssa_forward_propagate_single_use_vars): Return
7381 TODO_update_smt_usage if we need to update SMT usage.
7382 (pass_forwprop): Remove TODO_update_smt_usage.
7384 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7386 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7387 (correct_use_link): Remove reference to get_stmt_operands.
7388 (update_stmt_operands): Likewise.
7389 (get_modify_expr_operands): New function factored out of
7390 parse_ssa_operands and get_expr_operands.
7391 Try to create V_MUST_DEFs for LHS by default.
7392 (get_expr_operands) <case MODIFY_EXPR>: Call
7393 get_modify_expr_operands.
7394 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7395 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7396 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7397 get_modify_expr_operands.
7399 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7401 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7402 * tree-flow.h: Remove the prototype for
7403 referenced_var_lookup_if_exists.
7405 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7407 PR rtl-optimization/26345
7409 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7411 2006-03-03 Roger Sayle <roger@eyesopen.com>
7413 PR tree-optimization/26524
7414 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7415 fold_convert to create a constant of the appropriate type.
7417 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7419 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7420 SYMBOL_REF_IN_BLOCK_P.
7421 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7422 of SYMBOL_FLAG_IN_BLOCK.
7423 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7424 instead of SYMBOL_REF_IN_BLOCK_P.
7425 * explow.c (use_anchored_address): Likewise.
7426 * rtl.c (rtx_size): Likewise.
7427 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7428 instead of SYMBOL_FLAG_IN_BLOCK.
7429 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7430 SYMBOL_REF_IN_BLOCK_P.
7431 (assemble_variable): Likewise.
7432 (output_constant_def_contents): Likewise.
7433 (output_constant_pool): Likewise.
7434 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7435 instead of SYMBOL_FLAG_IN_BLOCK.
7436 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7437 SYMBOL_REF_IN_BLOCK_P.
7438 (SYMBOL_REF_BLOCK): Likewise.
7439 (SYMBOL_REF_OFFSET): Likewise.
7440 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7441 SYMBOL_REF_IN_BLOCK_P.
7442 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7443 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7444 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7445 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7447 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7449 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7451 2006-03-02 Roger Sayle <roger@eyesopen.com>
7453 * simplify-rtx.c (simplify_unary_operation): When simplifying
7454 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7455 that we perform the right shift in the appropriate mode, and
7456 then extend or truncate the result to requested mode.
7458 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7460 * gengtype.c (main): Handle double_int type.
7461 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7462 * double-int.c: New file.
7463 * double-int.h: New file.
7464 * system.h: Include doubleint.h.
7465 * Makefile.in (SYSTEM_H): Include double-int.h.
7466 (double-int.o): Add.
7468 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7471 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7474 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7476 * tree-vrp.c (remove_range_assertions): Do not update statements
7479 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7481 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7483 * gcse.c (rest_of_handle_gcse): Ditto.
7484 * except.c (gate_handle_eh): Ditto.
7485 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7486 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7488 2006-03-02 Eric Christopher <echristo@apple.com>
7490 * config/i386/i386.c (machopic_output_stub): Add indirection to
7493 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7497 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7499 Sun Niagara specific optimizations.
7500 * config.gcc: Recognize niagara as target.
7501 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7502 (TARGET_CPU_niagara): Define.
7503 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7504 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7505 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7506 (ASM_CPU_SPEC): Likewise.
7507 (PROCESSOR_NIAGARA): New enum entry.
7508 (REGISTER_MOVE_COST): Handle Niagara.
7509 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7510 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7511 (sparc_override_options): Recognize "niagara", set appropriate
7512 default MASK_* values for it, and align functions to 32-bytes
7513 by default just like ULTRASPARC/ULTRASPARC3.
7514 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7515 (sparc64_initialize_trampoline): Likewise.
7516 (sparc_use_sched_lookahead): Use zero for niagara.
7517 (sparc_issue_rate): Use one for niagara.
7518 * config/sparc/niagara.md: New file.
7519 * config/sparc/sparc.md: Include it.
7520 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7521 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7522 when default cpu is niagara.
7523 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7524 (ASM_CPU_SPEC): Likewise.
7525 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7526 when default cpu is niagara.
7527 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7528 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7529 just like v9/ultrasparc/ultrasparc3.
7530 * doc/invoke.texi: Add documentation for "niagara" and improve
7531 existing documentation for ultrasparc variants.
7533 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7535 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7537 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7539 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7540 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7541 and say that only one is needed.
7542 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7543 * target.h (have_switchable_bss_sections): New hook.
7544 * explow.c (use_anchored_address): Check that the symbol is in a block.
7545 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7546 (bss_noswitch_section): New variables.
7547 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7548 (get_noswitch_section): New function.
7549 (get_block_for_section): Allow SECT to be null.
7550 (unlikely_text_section_p): Use SECTION_STYLE.
7551 (bss_initializer_p): New function.
7552 (get_variable_section): Move earlier in file. Take a new argument,
7553 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7554 Return one of the new *_sections in such cases.
7555 (get_block_for_decl): New function, extracting some logic from
7556 use_blocks_for_decl_p.
7557 (change_symbol_section): Remove in favor of...
7558 (change_symbol_block): ...this new function.
7559 (use_blocks_for_decl_p): Remove checks now performed by
7561 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7562 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7563 (emit_local, emit_bss, emit_common): ...these new functions.
7564 Return true if the alignment was honored.
7565 (emit_tls_common): New function.
7566 (asm_emit_uninitialised): Delete.
7567 (assemble_variable_noswitch): New function, split out from...
7568 (assemble_variable): ...here. Don't make decisions about common
7569 variables here. Globalize all public decls that go into non-common
7570 sections. Check whether SYMBOL_REF_BLOCK is null.
7571 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7572 (output_constant_pool): Likewise.
7573 (init_varasm_once): Initialize the new section variables.
7574 (have_global_bss_p): New function.
7575 (categorize_decl_for_section): Use bss_initializer_p.
7576 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7577 (place_block_symbol): Assert that the symbol must be in a block.
7578 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7579 (TARGET_INITIALIZER): Include it.
7580 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7581 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7582 (SECTION_MACH_DEP): Bump by two.
7583 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7584 (unnamed_section): Mention SECTION_UNNAMED in comment.
7585 (named_section): Likewise SECTION_NAMED.
7586 (noswitch_section_callback): New type.
7587 (noswitch_section): New structure.
7588 (section): Add a noswitch_section alternative.
7589 (SECTION_STYLE): New macro.
7590 (tls_comm_section, comm_section, lcomm_section): Declare.
7591 (bss_noswitch_section, have_global_bss_p): Declare.
7592 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7593 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7595 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7596 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7599 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7601 * tree-vrp.c (execute_vrp): Return value.
7602 * regrename.c (rest_of_handle_regrename): Ditto.
7603 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7604 * tree-complex.c (tree_lower_complex): Ditto.
7605 (tree_lower_complex_O0): Ditto.
7606 * tracer.c (rest_of_handle_tracer): Ditto.
7607 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7608 * postreload.c (rest_of_handle_postreload): Ditto.
7609 * tree-tailcall.c (execute_tail_recursion): Ditto.
7610 (execute_tail_calls): Ditto.
7611 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7612 * tree.h (init_function_for_compilation): Ditto.
7613 * ipa-cp.c (ipcp_driver): Ditto.
7614 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7615 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7616 * final.c (compute_alignments): Ditto.
7617 (rest_of_handle_final): Ditto.
7618 (rest_of_handle_shorten_branches): Ditto.
7619 (rest_of_clean_state): Ditto.
7620 * omp-low.c (execute_expand_omp): Ditto.
7621 (execute_lower_omp): Ditto.
7622 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7623 * ipa-reference.c (static_execute): Ditto.
7624 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7625 * reorg.c (rest_of_handle_delay_slots): Ditto.
7626 (rest_of_handle_machine_reorg): Ditto.
7627 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7628 * flow.c (recompute_reg_usage): Ditto.
7629 (rest_of_handle_remove_death_notes): Ditto.
7630 (rest_of_handle_life): Ditto.
7631 (rest_of_handle_flow2): Ditto.
7632 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7633 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7634 (do_ssa_store_ccp): Ditto.
7635 (execute_fold_all_builtins): Ditto.
7636 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7637 * modulo-sched.c (rest_of_handle_sms): Ditto.
7638 * ipa-pure-const.c (static_execute): Ditto.
7639 * cse.c (rest_of_handle_cse): Ditto.
7640 (rest_of_handle_cse2): Ditto.
7641 * web.c (rest_of_handle_web): Ditto.
7642 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7643 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7644 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7645 * tree-nrv.c (tree_nrv): Ditto.
7646 (execute_return_slot_opt): Ditto.
7647 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7648 (create_structure_vars): Ditto.
7649 * loop-init.c (rtl_loop_init): Ditto.
7650 (rtl_loop_done): Ditto.
7651 (rtl_move_loop_invariants): Ditto.
7652 (rtl_unswitch): Ditto.
7653 (rtl_unroll_and_peel_loops): Ditto.
7654 (rtl_doloop): Ditto.
7655 * gimple-low.c (lower_function_body): Ditto.
7656 (mark_used_blocks): Ditto.
7657 * tree-ssa-sink.c (execute_sink_code): Ditto.
7658 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7659 (cgraph_early_inlining): Ditto.
7660 * global.c (rest_of_handle_global_alloc): Ditto.
7661 * jump.c (cleanup_barriers): Ditto.
7662 (purge_line_number_notes): Ditto.
7663 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7664 (rest_of_handle_if_after_reload): Ditto.
7665 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7666 (tree_ssa_loop_im): Ditto.
7667 (tree_ssa_loop_unswitch): Ditto.
7668 (tree_vectorize): Ditto.
7669 (tree_linear_transform): Ditto.
7670 (tree_ssa_loop_ivcanon): Ditto.
7671 (tree_ssa_empty_loop): Ditto.
7672 (tree_ssa_loop_bounds): Ditto.
7673 (tree_complete_unroll): Ditto.
7674 (tree_ssa_loop_prefetch): Ditto.
7675 (tree_ssa_loop_ivopts): Ditto.
7676 (tree_ssa_loop_done): Ditto.
7677 * predict.c (tree_estimate_probability): Ditto.
7678 * recog.c (split_all_insns_noflow): Ditto.
7679 (rest_of_handle_peephole2): Ditto.
7680 (rest_of_handle_split_all_insns): Ditto.
7681 * tree-eh.c (lower_eh_constructs): Ditto.
7682 * regmove.c (rest_of_handle_regmove): Ditto.
7683 (rest_of_handle_stack_adjustments): Ditto.
7684 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7685 * function.c (instantiate_virtual_regs): Ditto.
7686 (init_function_for_compilation): Ditto.
7687 (rest_of_handle_check_leaf_regs): Ditto.
7688 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7689 (rest_of_handle_gcse): Ditto.
7690 * ipa-type-escape.c (type_escape_execute): Ditto.
7691 * alias.c (rest_of_handle_cfg): Ditto.
7692 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7693 * profile.c (rest_of_handle_branch_prob): Ditto.
7694 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7695 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7696 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7697 * tree-dfa.c (find_referenced_vars): Ditto.
7698 * except.c (set_nothrow_function_flags): Ditto.
7699 (convert_to_eh_region_ranges): Ditto.
7700 (rest_of_handle_eh): Ditto.
7701 * emit-rtl.c (unshare_all_rtl): Ditto.
7702 (remove_unnecessary_notes): Ditto.
7703 * except.h (set_nothrow_function_flags): Ditto.
7704 (convert_to_eh_region_ranges): Ditto.
7705 * cfgexpand.c (tree_expand_cfg): Ditto.
7706 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7707 * tree-ssa-pre.c (do_pre): Ditto.
7708 (execute_fre): Ditto.
7709 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7710 (rest_of_handle_jump2): Ditto.
7711 * tree-sra.c (tree_sra): Ditto.
7712 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7713 (execute_mudflap_function_decls): Ditto.
7714 * tree-ssa-copy.c (do_copy_prop): Ditto.
7715 (do_store_copy_prop): Ditto.
7716 * ipa-prop.h (ipcp_driver): Ditto.
7717 * cfglayout.c (insn_locators_initialize): Ditto.
7718 * tree-ssa-forwprop.c
7719 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7720 * cfglayout.h (insn_locators_initialize): Ditto.
7721 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7722 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7723 (execute_late_warn_uninitialized): Ditto.
7724 * rtl.h (cleanup_barriers): Ditto.
7725 (split_all_insns_noflow): Ditto.
7726 (purge_line_number_notes): Ditto.
7727 (unshare_all_rtl): Ditto.
7728 (remove_unnecessary_notes): Ditto.
7729 (recompute_reg_usage): Ditto.
7730 (variable_tracking_main): Ditto.
7731 * integrate.c (emit_initial_value_sets): Ditto.
7732 * integrate.h (emit_initial_value_sets): Ditto.
7733 * tree-optimize.c (execute_free_datastructures): Ditto
7734 (execute_free_cfg_annotations): Ditto.
7735 (execute_fixup_cfg): Ditto.
7736 (execute_cleanup_cfg_pre_ipa): Ditto.
7737 (execute_cleanup_cfg_post_optimizing): Ditto.
7738 (execute_init_datastructures): Ditto.
7739 * tree-object-size.c (compute_object_sizes): Ditto.
7740 * combine.c (rest_of_handle_combine): Ditto.
7741 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7742 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7743 (rest_of_handle_reorder_blocks): Ditto.
7744 (rest_of_handle_partition_blocks): Ditto.
7745 * var-tracking.c (variable_tracking_main): Ditto.
7746 * tree-profile.c (tree_profiling): Ditto.
7747 * tree-vect-generic.c (expand_vector_operations): Ditto.
7748 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7749 * sched-rgn.c (rest_of_handle_sched): Ditto.
7750 (rest_of_handle_sched2): Ditto.
7751 * basic-block.h (free_bb_insn): Ditto.
7752 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7753 * tree-cfg.c (execute_build_cfg): Ditto.
7754 (remove_useless_stmts): Ditto.
7755 (split_critical_edges): Ditto.
7756 (execute_warn_function_return): Ditto.
7757 (execute_warn_function_noreturn): Ditto.
7758 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7759 * cfgrtl.c (free_bb_for_insn): Ditto.
7760 * passes.c (execute_one_pass): Run additional
7761 todos returned by execute function.
7762 * tree-pass.h (struct tree_opt_pass): Make execute
7765 2006-03-02 Richard Guenther <rguenther@suse.de>
7767 * tree-ssa-alias.c (find_used_portions): Consider taking
7768 the address as making the variable not write-only.
7770 2006-03-02 Nick Clifton <nickc@redhat.com>
7772 * config.gcc (default_use_cxa_atexit): Extend the description of
7773 this configure variable. Set its default value to "yes" for
7774 Linux, NetBSD and ELF targets on the assumption that they will
7775 use C libraries with the __cxa_atexit function.
7777 2006-03-02 Ben Elliston <bje@au.ibm.com>
7779 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7780 parameter as unused to suppress a build warning.
7782 2006-03-02 Ben Elliston <bje@au.ibm.com>
7784 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7787 2006-03-01 Roger Sayle <roger@eyesopen.com>
7790 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7791 declared name, the weak reference name, and the typeof name.
7792 (__gthrw): Avoid expanding the declared name suffix.
7793 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7795 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7797 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7799 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7800 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7801 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7802 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7803 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7804 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7805 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7806 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7807 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7808 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7809 (DW_END_default, DW_END_big, DW_END_little): New.
7810 (DW_END_lo_user, DW_END_hi_user): Define.
7811 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7812 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7813 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7816 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7818 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7820 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7822 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7824 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7826 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7827 to 'symbol_mem_tag'.
7829 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7832 2006-03-01 Roger Sayle <roger@eyesopen.com>
7834 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7836 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7839 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7840 MACHO_DYNAMIC_NO_PIC_P.
7841 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7843 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7846 * config/darwin-protos.h (darwin_asm_output_anchor):
7848 * config/darwin-sections.def (cstring_section):
7849 Add SECTION_MERGE to the flags.
7850 (literal4_section): Likewise.
7851 (literal8_section): Likewise.
7852 (objc_selector_refs_section): Likewise.
7853 (objc_cls_refs_section): Likewise.
7854 * config/darwin.c (darwin_asm_output_anchor): New
7856 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7858 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7860 Fix PR tree-optimization/26443
7861 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7862 to todo and PROP_tmt_usage to properties_destroyed.
7863 * tree-ssa-ccp.c (pass_ccp): Ditto.
7864 (pass_store_ccp): Ditto.
7865 * tree-ssa-dom.c (pass_dominator): Ditto.
7867 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7869 * tree-ssa-operands.c: Cleanup whitespace.
7870 (get_asm_expr_operands): Move before first invocation.
7871 (get_indirect_ref_operands): Likewise.
7872 (get_tmr_operands): Likewise.
7873 (get_call_expr_operands): Likewise.
7874 (append_def): Likewise.
7875 (append_use): Likewise.
7876 (append_v_may_def): Likewise.
7877 (append_v_must_def): Likewise.
7878 (add_call_clobber_ops): Likewise.
7879 (add_call_read_ops): Likewise.
7880 (add_stmt_operand): Likewise.
7881 (add_virtual_operand): Likewise.
7882 (build_ssa_operands): Likewise.
7884 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7889 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7890 with a call expr to ...
7891 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7893 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7895 * tree-vrp.c (extract_range_from_assert): Remove special
7896 handling for types with super-types.
7898 2006-03-01 Ben Elliston <bje@au.ibm.com>
7900 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7901 and powerpc64-*-linux* configurations.
7902 * config/t-dfprules: New file.
7904 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7905 Compile dfp-bit.c from the source directory using -DWIDTH and
7906 $DFP_CFLAGS to control the compilation of that file, rather than
7907 generating width-specific versions in the build directory.
7908 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7909 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7911 2006-02-28 Zack Weinberg <zackw@panix.com>
7913 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7916 2006-02-28 Eric Christopher <echristo@apple.com>
7918 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7919 Set up IN_LIBGCC definition of TARGET_64BIT.
7920 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7922 2006-02-28 Roger Sayle <roger@eyesopen.com>
7925 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7926 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7927 cases via the construction of "expr != 0".
7929 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7931 * alias.c (alias_invariant, alias_invariant_size): Remove.
7932 (record_base_value): Remove.
7933 (memrefs_conflict_p): Don't look at alias_invariant.
7934 (end_alias_analysis): Don't free it.
7935 * alias.h (record_base_value): Remove prototype.
7937 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7938 Adam Nemet <anemet@caviumnetworks.com>
7940 * rtl.h (truncated_to_mode): Declare it.
7941 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7942 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7943 (RTL_HOOKS_INITIALIZER): Include it.
7944 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7945 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7946 reg_truncated_to_mode.
7947 * rtlanal.c (truncated_to_mode): Define it.
7948 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7950 2006-02-28 Jeff Law <law@redhat.com>
7952 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7953 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7954 the range allowed by TYPE_PRECISION.
7956 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7958 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7960 PR tree-optimization/26419
7961 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7964 2006-02-27 Zack Weinberg <zackw@panix.com>
7966 * doc/md.texi: Fix typo in previous change.
7968 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7972 2006-02-27 Zack Weinberg <zackw@panix.com>
7974 * rtl.def (define_constraint, define_register_constraint)
7975 (define_memory_constraint, define_address_constraint): New MD forms.
7976 * gensupport.c (process_rtx): Put define_constraint etc on the
7978 * genpreds.c (process_define_predicate): Adjust comment. Validate
7979 the name, and call validate_exp to validate the expression.
7980 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7981 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7982 all callers changed.
7983 (validate_exp, needs_variable, struct constraint_data)
7984 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7985 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7986 (const_dbl_constraints, constraint_max_namelen)
7987 (have_register_constraints, have_memory_constraints)
7988 (have_address_constraints, have_address_constraints)
7989 (have_extra_constraints, have_const_int_constraints)
7990 (have_const_dbl_constraints, mangle, add_constraint)
7991 (process_define_constraint, process_define_register_constraint)
7992 (write_enum_constraint_num, write_lookup_constraint)
7993 (write_insn_constraint_len, write_regclass_for_constraint)
7994 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7995 (write_insn_extra_memory_constraint)
7996 (write_insn_extra_address_constraint)
7997 (write_satisfies_constraint_fns): New.
7998 (write_tm_preds_h): If we have new-style constraint definitions,
7999 prototype the functions generated from them, and define the
8000 old constraint interface (still used by generic code) in terms of
8002 (write_insn_preds_c): If we have new-style constraint definitions,
8003 generate all relevant functions from those definitions.
8004 (main): Handle define_constraint etc.
8005 * genoutput.c (struct constraint_data, indep_constraints)
8006 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8007 (mdep_constraint_len): New data structures and functions, defined
8008 #ifdef USE_MD_CONSTRAINTS.
8009 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8010 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8011 use new logic to validate operand constraints against constraint
8013 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8015 * defaults.h: If none of the old-style constraint macros are
8016 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8017 old-style macros; and poison REG_CLASS_FROM_LETTER,
8018 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8020 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8021 * doc/md.texi: Document new constraint-definition mechanism and the
8022 C interface it provides. Remove references to old mechanism
8023 elsewhere in the document.
8024 (Machine Constraints): Use pathnames relative to gcc directory,
8025 i.e. config/ARCH/FILE. Change i386 section to refer to
8026 config/i386/predicates.md; update that section to match docstrings.
8027 * doc/tm.texi: Move all documentation of the old constraint-
8028 definition macros to their own section, clearly mark as obsolete.
8030 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8031 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8033 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8034 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8035 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8037 (splits and peepholes): Use satisfies_constraint_*.
8038 * config/i386/i386.c (memory_address_length)
8039 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8041 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8043 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8044 scalar operation to be put back into the loop.
8046 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8049 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8050 (extract_cie_info): Handle S flag in augmentation string.
8051 (execute_cfa_program): If context->signal_frame, execute also
8052 fs->pc == context->ra instructions.
8053 (uw_frame_state_for): If context->signal_frame, don't subtract one
8054 from context->ra to find FDE.
8055 (uw_update_context_1): Set context->signal_frame to
8057 (_Unwind_GetIPInfo): New function.
8058 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8059 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8061 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8062 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8063 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8064 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8065 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8066 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8067 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8068 x86_64_fallback_frame_state): Set fs->signal_frame.
8069 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8070 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8071 (frob_update_context): Likewise. Workaround missing S flag in
8072 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8073 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8074 Remove the psw_addr + 1 hack.
8076 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8078 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8079 with aggregates here.
8080 (find_func_aliases): Remove code for &<aggregate> from here.
8082 2006-02-26 Roger Sayle <roger@eyesopen.com>
8084 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8085 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8086 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8089 2006-02-26 Roger Sayle <roger@eyesopen.com>
8092 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8094 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8096 * opts.c (decode_options): Do not handle flag_strength_reduce.
8097 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8098 and OPT_fstrength_reduce.
8099 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8100 flag_prefetch_loop_arrays for being nonzero.
8101 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8103 (fprefetch-loop-arrays-rtl): Removed.
8104 (flag_prefetch_loop_arrays): Do not specify the value.
8106 * doc/passes.texi: Update documentation of loop optimizer
8108 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8109 -frerun-loop-opt): Remove.
8111 2006-02-26 Richard Guenther <rguenther@suse.de>
8113 PR tree-optimization/26421
8114 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8115 in function calls that are ADDR_EXPRs as using the whole structure.
8117 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8119 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8120 * tree-pass.h (pass_loop_optimize): Remove.
8121 * passes.c (pass_loop_optimize): Never run it.
8122 * toplev.c (backend_init): Don't call init_loop.
8123 * opts.c (flag_loop_optimize_set): Remove.
8124 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8125 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8126 the old RTL loop optimizer when profiling enabled.
8127 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8128 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8129 pre-headers for the sake of the old RTL loop optimizer.
8130 * Makefile.in: Remove all references to loop.o.
8132 * doc/invoke.texi: Remove all references to -floop-optimize
8133 and -frerun-loop-opt.
8135 2006-02-26 Zack Weinberg <zackw@panix.com>
8137 * doc/md.texi (Machine Constraints): Refer to all files with paths
8138 relative to gcc directory (i.e. config/CPU/file). Add missing
8139 @table @code ... @end table to M32C subsection.
8141 2006-02-26 Roger Sayle <roger@eyesopen.com>
8143 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8145 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8147 2006-02-26 Roger Sayle <roger@eyesopen.com>
8148 James A. Morrison <phython@gcc.gnu.org>
8151 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8152 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8153 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8154 signedness of the shift operation.
8156 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8158 PR tree-optimization/26359
8159 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8161 2006-02-25 Roger Sayle <roger@eyesopen.com>
8163 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8164 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8165 as X == 0, and some symmetry related transformations.
8166 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8168 2006-02-25 Roger Sayle <roger@eyesopen.com>
8171 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8172 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8173 symmetry related transformations. Fold (X^C1) == C2 as
8176 2006-02-25 Juergen Weigert <jw@suse.de>
8177 Richard Guenther <rguenther@suse.de>
8179 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8181 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8183 * combine.c (gen_lowpart_or_truncate): Call
8184 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8186 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8188 * doc/invoke.texi: Move -fopenmp description to "Options for
8190 Remove reference to -lgomp.
8192 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8194 * doc/install.texi: Require GNU tar version 1.14.
8196 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8198 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8199 * doc/invoke.texi (C++ Dialect Options): Document
8200 -fno-use-cxa-get-exception-ptr.
8201 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8202 * configure: Regenerate.
8203 * c.opt (fuse-cxa-get-exception-ptr): New.
8204 * c-opts.c (c_common_handle_option): Handle
8205 OPT_fuse_cxa_get_exception_ptr.
8206 * c-common.c (flag_use_cxa_atexit): Update documentation.
8207 (flag_use_cxa_get_exception_ptr): New.
8208 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8209 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8211 (C_COMMON_OVERRIDE_OPTIONS): New.
8213 2006-02-24 Roger Sayle <roger@eyesopen.com>
8216 * combine.c (try_combine): Explicitly check whether GET_CODE is
8217 a SET or a CLOBBER, instead on checking that it isn't a USE.
8219 2006-02-24 Roger Sayle <roger@eyesopen.com>
8221 * fold-const.c (fold_comparison): New subroutine of fold_binary
8222 containing transformations common to both the equality and
8223 ordering relational operators, factored out of fold_binary.
8224 (fold_binary): Separate out the equality operators (EQ_EXPR
8225 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8226 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8227 transformations common to both.
8228 (fold_div_compare): Fix latent bugs in the previously unreachable
8229 LT_EXPR and GE_EXPR cases.
8231 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8233 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8234 decl libname for clog to __clog on AIX.
8236 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8238 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8241 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8242 output traceback table for thunks. Localise rs6000_stack_info call.
8244 2006-02-23 Roger Sayle <roger@eyesopen.com>
8245 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8247 * gthr-posix.h (__gthrw): Fix typo in comment.
8249 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8251 * doc/cpp.texi (Character sets): Document that we do support
8252 input files to be in any character set.
8254 2006-02-23 Jeff Law <law@redhat.com>
8256 * tree.h (PHI_ARG_NONZERO): Remove.
8257 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8258 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8259 node to the new node.
8261 PR tree-optimization/26425
8262 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8263 min/max, then assume its varying.
8265 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8267 PR rtl-optimization/26316
8268 * rtlanal.c (enum may_trap_p_flags): New.
8269 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8270 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8271 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8272 (may_trap_after_code_motion_p): New function.
8273 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8274 (find_invariant_insn): Use may_trap_after_code_motion_p.
8275 * rtl.h (may_trap_after_code_motion_p): Declare.
8277 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8279 * emit-rtl.c (immed_double_const): Cleanup.
8281 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8283 Fix PR tree-optimization/26376
8284 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8287 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8290 * gimplify.c (omp_add_variable): Guard variable size decl test with
8291 DECL_SIZE (decl) check.
8293 2006-02-23 Richard Guenther <rguenther@suse.de>
8296 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8297 like aggregate types.
8299 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8301 * configure.ac: Add --with{,out}-long-double-128 configure option.
8302 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8303 * configure: Rebuilt.
8304 * config.in: Rebuilt.
8305 * doc/install.texi (Options specification): Document
8306 --with-long-double-128.
8308 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8309 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8310 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8311 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8313 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8315 * config/s390/s390.c (override_options): Handle
8316 TARGET_DEFAULT_LONG_DOUBLE_128.
8318 * config/alpha/alpha.c (override_options): Handle
8319 TARGET_DEFAULT_LONG_DOUBLE_128.
8321 * config/sparc/sparc.c (sparc_override_options): Handle
8322 TARGET_DEFAULT_LONG_DOUBLE_128.
8324 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8326 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8327 (real-install-headers-tar, real-install-headers-cpio)
8328 (real-install-headers-cp): New targets.
8330 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8332 * tree.h (variable_section): Delete.
8333 * varasm.c (variable_section): Delete.
8335 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8337 * install.texi: Add notes on install.texi2html.
8338 (Building in parallel): Do not use footnotes.
8340 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8343 * doc/install.texi (Configuration): Document --disable-libgomp.
8345 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8347 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8349 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8351 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8352 (vec_extractv2df_0_sse): New.
8354 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8356 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8357 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8358 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8359 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8360 to the result of the expression.
8361 (def_cfa_1): Adjust.
8362 (frame_pointer_cfa_offset): Rename to...
8363 (frame_pointer_fb_offset): ... this. Adjust all uses.
8364 (convert_cfa_to_loc_list): Rename to...
8365 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8366 Pass it on to build_cfa_loc.
8367 (compute_frame_pointer_to_cfa_displacement): Rename to...
8368 (compute_frame_pointer_to_fb_displacement): ... this. New
8369 offset parameter. Use it in computation.
8370 (gen_subprogram_die): Compute cfa_fb_offset with the new
8371 macro, and use it to compute the fb loc list and the
8374 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8376 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8377 replaced with register_operand.
8378 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8379 non-DREG is expensive.
8380 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8381 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8384 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8386 * doc/install.texi2html: Use set -e.
8388 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8390 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8391 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8392 * doc/invoke.texi (-fshared-data): Delete.
8393 * common.opt (fshared-data): Delete.
8394 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8395 (assemble_static_space): Remove #if 0 code.
8396 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8397 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8398 * config/cris/cris.h: Remove FIXME.
8400 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8402 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8405 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8408 * combine.c (simplify_shift_const_1): Disable nested shifts
8409 optimization for vector shifts.
8411 2006-02-20 Roger Sayle <roger@eyesopen.com>
8413 PR tree-optimization/26361
8414 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8415 of unsigned integer types.
8417 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8419 * tree-chrec.c (eq_evolutions_p): New.
8420 * tree-chrec.h (eq_evolutions_p): Declared.
8421 * tree-data-ref.c: Fix formatting.
8422 (datadep_stats, dependence_stats): New.
8424 (print_direction_vector): New.
8425 (dump_data_dependence_relation): Use print_direction_vector.
8426 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8427 (compute_subscript_distance): Static.
8428 (initialize_data_dependence_relation): Static. Get the number
8429 of loops surrounding the references from the callers, and initialize
8430 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8431 base_object_differ_p analyzers.
8432 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8433 compute_overlap_steps_for_affine_1_2,
8434 analyze_subscript_affine_affine): Count the classified dependences.
8435 Print a message when a test failed.
8436 (can_use_analyze_subscript_affine_affine): New.
8437 (analyze_siv_subscript): Compute the data dependences on symbolic
8438 scevs that verify can_use_analyze_subscript_affine_affine.
8439 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8440 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8441 Handle symbolic scevs.
8442 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8444 (subscript_dependence_tester): Moved...
8445 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8446 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8447 DDR_SIZE_VECT instead of getting it in parameter.
8448 (subscript_dependence_tester): ... here. Take as a parameter
8449 loop_nest_depth. Call build_classic_dist_vector and
8450 build_classic_dir_vector.
8451 (compute_affine_dependence): Update subscript_dependence_tester
8452 parameters. Update datadep_stats counters. Call
8453 compute_subscript_distance.
8454 (compute_self_dependence): Save the dist and dir vectors. Call
8455 compute_subscript_distance.
8456 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8457 (compute_all_dependences): Reorder parameters as they were before
8458 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8459 compute_subscript_distance. Update the use of
8460 compute_affine_dependence and initialize_data_dependence_relation.
8461 (find_data_references_in_loop): Handle COMPONENT_REF.
8462 (compute_data_dependences_for_loop): Initialize dependence_stats.
8463 Don't call build_classic_dist_vector and build_classic_dir_vector.
8464 Update the parameters of initialize_data_dependence_relation and
8465 compute_all_dependences. Print the statistics from datadep_stats.
8466 (analyze_all_data_dependences): Static. Not used until the pass for
8467 checking the data dependences is contributed.
8468 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8469 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8470 (initialize_data_dependence_relation, compute_affine_dependence,
8471 analyze_all_data_dependences, compute_subscript_distance): Removed.
8472 (print_direction_vector): New.
8473 * lambda.h (gcd): ... here.
8474 (lambda_vector_gcd): Moved here from gcd_vector.
8475 * lambda-code.c (gcd, gcd_vector): Removed.
8476 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8477 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8479 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8481 * ipa-type-escape.c: Tidy some comments and white space.
8482 * tree-ssa-operands.c: Likewise.
8484 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8487 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8488 (dump_decl_name): Do not walk the decl tree chains.
8489 * tree-pass.h (TDF_CHAIN): Remove.
8491 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8493 * Makefile.in (C): Remove
8495 (.PHONY): Remove C and PROTO
8497 2006-02-20 Roger Sayle <roger@eyesopen.com>
8500 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8501 deprecated CHAR_TYPE tree code.
8503 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8505 * configure.ac (target_list): Add install-info, dvi, html.
8506 * configure: Regenerate.
8508 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8509 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8510 treelang/Make-lang.in: Do not use double-colon rules.
8512 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8514 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8515 (TMT_USED_ALONE): New macro.
8516 * tree-pass.h (PROP_tmt_usage): New property.
8517 (TODO_update_tmt_usage): New todo.
8518 * tree-ssa-alias.c (updating_used_alone): New variable.
8519 (recalculate_used_alone): New function.
8520 (compute_may_aliases): Set updating_used_alone, call
8521 recalculate_used_alone.
8522 * tree-sra.c (pass_sra): Note that this pass destroys
8523 PROP_tmt_usage, and add TODO_update_tmt_usage.
8524 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8525 * tree-flow.h (updating_used_alone): Prototype.
8526 (recalculate_used_alone): Ditto.
8527 * passes.c (execute_todo): Add code to set updating_used_alone,
8528 and call recalculate.
8529 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8530 for clobber if used alone, and add assert to verify used_alone
8533 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8535 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8536 for non tls symbols added.
8537 (legitimize_address): Do nothing for PLUS expressions if one of the
8538 addends is a tls symbol reference.
8540 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8544 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8546 * Makefile.in (BOOTSTRAPPING): New.
8547 (quickstrap): New definition if BOOTSTRAPPING=yes.
8549 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8550 * configure.ac: Substitute all_selected_languages with the languages
8551 that were configured. For all the other variables except
8552 lang_specs_files, include all the languages in the tree.
8553 * configure: Regenerate.
8555 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8556 if there is one. Run the commands to run fixincludes in the same
8559 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8560 * doc/install.texi: Document exact conventions for searching target tools.
8561 Document --with-build-time-tools. Document toplevel bootstrap. Document
8562 something more about building an Ada cross-compiler. Don't list GNU Make
8563 requirements which affect all platforms.
8565 2006-02-19 Roger Sayle <roger@eyesopen.com>
8568 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8569 only equivalent if the have both the same mode and precision.
8571 2006-02-20 Ben Elliston <bje@au.ibm.com>
8573 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8575 2006-02-19 Roger Sayle <roger@eyesopen.com>
8576 Steven Bosscher <stevenb.gcc@gmail.com>
8578 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8579 constant pool references to identify stack mode constants.
8580 * rtlanal.c (constant_pool_constant_p): New predicate to check
8581 whether operand is a floating point constant in the pool.
8582 * rtl.h (constant_pool_constant_p): Prototype here.
8583 * loop.c (scan_loop): Avoid hoisting constants from the constant
8584 pool on STACK_REGS targets.
8585 (load_mems): Likewise.
8586 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8587 loads into x87 registers expensive in terms of register pressure.
8589 2006-02-19 Roger Sayle <roger@eyesopen.com>
8591 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8592 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8594 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8596 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8597 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8599 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8601 * doc/invoke.texi: Document -fipa-pta.
8602 * common.opt: Add ipa-pta option.
8603 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8604 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8605 (do_ds_constraint): Ditto.
8606 (get_constraint_for): Only add to referenced_vars if
8607 referenced_vars exists.
8608 (insert_into_field_list): Rewrite to do this unsorted.
8609 (insert_into_field_list_sorted): Rename old insert_into_field_list
8611 (create_function_info_for): Use insert_into_field_list_sorted.
8612 (create_variable_info_for): Rewrite so it uses unsorted version,
8613 since the field list is sorted.
8614 (intra_create_variable_infos): Only add to referenced_vars if
8615 referenced_vars exists.
8616 (ipa_pta_execute): Init heapvars, and delete when done.
8617 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8619 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8621 * doc/install.texi: Add missing `@samp'.
8623 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8625 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8628 2006-02-18 Mark Wielaard <mark@klomp.org>
8630 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8631 who added new 4.1 features, bug fixes and integration support.
8633 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8636 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8639 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8641 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8642 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8643 (copy_insn_1): Likewise. Don't copy each field individually.
8645 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8647 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8648 * rtl.c (rtx_size): Rename variable to...
8649 (rtx_code_size): ...this.
8650 (rtx_size): New function.
8651 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8652 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8654 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8655 * rtl.h (rtx_code_size): New variable.
8656 (rtx_size): Change from a variable to a function.
8657 (RTX_SIZE): Rename to...
8658 (RTX_CODE_SIZE): ...this.
8661 PR tree-optimization/17106
8662 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8663 (Anchored Addresses): New section.
8664 * doc/invoke.texi (-fsection-anchors): Document.
8665 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8666 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8667 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8668 * hooks.c (hook_bool_mode_rtx_false): New function.
8669 * hooks.h (hook_bool_mode_rtx_false): Declare.
8670 * gengtype.c (create_optional_field): New function.
8671 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8672 SYMBOL_REF_IN_BLOCK_P is true.
8673 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8674 (min_anchor_offset, max_anchor_offset): Likewise.
8675 (use_anchors_for_symbol_p): New hook.
8676 * toplev.c (compile_file): Call output_object_blocks.
8677 (target_supports_section_anchors_p): New function.
8678 (process_options): Check that -fsection-anchors is only used on
8679 targets that support it and when -funit-at-a-time is in effect.
8680 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8681 if the decl doesn't have one.
8682 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8683 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8684 of force_const_mem through use_anchored_address.
8685 (expand_expr_constant): New function.
8686 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8687 calling expand_expr for INDIRECT_REF.
8688 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8689 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8690 * expr.h (use_anchored_address): Declare.
8691 * loop-unroll.c: Don't declare rtx vectors here.
8692 * explow.c: Include output.h.
8693 (validize_mem): Call use_anchored_address.
8694 (use_anchored_address): New function.
8695 * common.opt (-fsection-anchors): New switch.
8696 * varasm.c (object_block_htab, anchor_labelno): New variables.
8697 (hash_section, object_block_entry_eq, object_block_entry_hash)
8698 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8699 (use_blocks_for_decl_p, change_symbol_section): New functions.
8700 (get_variable_section): New function, split out from assemble_variable.
8701 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8702 use_blocks_for_decl_p say so. Use change_symbol_section if the
8703 symbol has already been created.
8704 (assemble_variable_contents): New function, split out from...
8705 (assemble_variable): ...here. Don't output any code for
8706 block symbols; just pass them to place_block_symbol.
8707 Use get_variable_section and assemble_variable_contents.
8708 (get_constant_alignment, get_constant_section, get_constant_size): New
8709 functions, split from output_constant_def_contents.
8710 (build_constant_desc): Create a block symbol if use_object_blocks_p
8711 says so. Or into SYMBOL_REF_FLAGS.
8712 (assemble_constant_contents): New function, split from...
8713 (output_constant_def_contents): ...here. Don't output any code
8714 for block symbols; just pass them to place_section_symbol.
8715 Use get_constant_section and get_constant_alignment.
8716 (force_const_mem): Create a block symbol if use_object_blocks_p and
8717 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8718 (output_constant_pool_1): Add an explicit alignment argument.
8719 Don't switch sections here.
8720 (output_constant_pool): Adjust call to output_constant_pool_1.
8721 Switch sections here instead. Don't output anything for block symbols;
8722 just pass them to place_block_symbol.
8723 (init_varasm_once): Initialize object_block_htab.
8724 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8725 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8726 (place_block_symbol, get_section_anchor, output_object_block)
8727 (output_object_block_htab, output_object_blocks): New functions.
8728 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8729 (TARGET_ASM_OUT): Include it.
8730 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8731 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8732 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8733 (TARGET_INITIALIZER): Include them.
8734 * rtl.c (rtl_check_failed_block_symbol): New function.
8735 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8736 (block_symbol, object_block): New structures.
8737 (rtx_def): Add a block_symbol field to the union.
8738 (BLOCK_SYMBOL_CHECK): New macro.
8739 (rtl_check_failed_block_symbol): Declare.
8740 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8741 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8742 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8743 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8744 * output.h (output_section_symbols): Declare.
8745 (object_block): Name structure.
8746 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8747 (default_use_anchors_for_symbol_p): Declare.
8748 * Makefile.in (RTL_BASE_H): Add vec.h.
8749 (explow.o): Depend on output.h.
8750 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8751 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8752 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8753 (rs6000_use_blocks_for_constant_p): New function.
8755 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8757 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8759 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8762 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8765 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8767 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8771 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8774 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8775 instead of DECL_REGISTER.
8777 2006-02-18 Olivier Hainque <hainque@adacore.com>
8780 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8782 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8785 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8786 * opth-gen.awk: Handle Var and InverseMask together.
8787 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8788 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8789 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8790 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8792 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8793 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8794 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8795 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8796 LINUX_DYNAMIC_LINKER): Define.
8797 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8798 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8800 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8801 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8802 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8803 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8804 (TARGET_C99_FUNCTIONS): Don't define.
8805 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8806 GLIBC_DYNAMIC_LINKER.
8807 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8808 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8809 GLIBC_DYNAMIC_LINKER64): Define.
8810 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8811 LINUX_DYNAMIC_LINKER64.
8812 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8813 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8814 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8815 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8816 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8817 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8818 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8819 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8820 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8821 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8822 and LINUX_DYNAMIC_LINKER32.
8823 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8824 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8825 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8826 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8827 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8829 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8830 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8831 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8832 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8833 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8834 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8835 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8836 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8837 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8838 LINUX_DYNAMIC_LINKER): Define.
8839 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8840 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8841 GLIBC_DYNAMIC_LINKER64): Define.
8842 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8843 LINUX_DYNAMIC_LINKER64.
8844 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8845 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8846 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8847 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8848 LINUX_DYNAMIC_LINKER): Define.
8849 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8850 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8851 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8852 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8853 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8854 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8855 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8856 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8857 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8858 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8859 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8860 * doc/invoke.texi (-muclibc): Remove caveat about supported
8863 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8865 * doc/cpp.texi (__TIMESTAMP__): Document.
8867 2006-02-17 Roger Sayle <roger@eyesopen.com>
8870 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8871 C is one less than the width of X (and related transformations).
8872 * simplify-rtx.c (simplify_unary_operation_1): Transform
8873 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8874 depending on STORE_FLAG_VALUE, were C is one less then the
8877 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8879 Fix PR tree-optimization/26341
8880 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8881 about NAME_MEMORY_TAG's.
8883 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8886 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8887 with hardware float support, and software float support. Add fcpy
8888 alternative to hardware patterns. Add alternatives to copy between
8889 general and floating-point registers to the 32-bit pattern.
8890 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8891 secondary reload to load a QI or HI mode constant into a floating
8893 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8894 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8896 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8899 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8901 (load_macho_picbase_di): Likewise.
8903 2006-02-16 Jeff Law <law@redhat.com>
8905 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8906 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8907 (ssa_name_nonzero_p): Likewise.
8908 (get_value_range): Return NULL if VRP is not running.
8909 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8910 VRP routines do not discover a range.
8911 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8912 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8913 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8914 (tree_expr_nonnegative_p): Similarly.
8915 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8916 (restore_nonzero_vars_to_original_value): Remove.
8917 (unsafe_associative_fp_binop): Remove.
8918 (tree_ssa_dominator_optimize): Remove initialization and
8919 finalization of nonzero_vars and nonzero_vars_stack.
8920 (dom_opt_initialize_block): No longer push marker on
8922 (dom_opt_finalize_block): No longer call
8923 restore_nonzero_vars_to_original_value.
8924 (record_equivalences_from_phis): No longer look for
8925 nonzero PHI arguments.
8926 (cprop_into_successor_phis): No longer propagate nonzero
8927 property into PHI arguments. Lose unused argument. Caller
8929 (record_equivalences_from_stmt): No longer record nonzero
8930 values for SSA_NAMEs.
8931 (lookup_avail_expr): No longer use nonzero_vars.
8933 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8934 for sizetype when sizetype is unsigned.
8936 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8938 PR rtl-optimization/25603
8939 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8940 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8941 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8942 with new meaning of SETS.
8944 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8949 * config/linux.opt: New file.
8950 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8951 LINUX_DYNAMIC_LINKER): Define.
8952 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8953 * config.gcc (*-*-linux*): Define extra_options.
8954 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8955 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8956 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8957 GLIBC_DYNAMIC_LINKER.
8958 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8959 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8960 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8961 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8962 * doc/invoke.texi (GNU/Linux Options): New section.
8964 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8966 * config/sparc/sparc.md (setjmp): Rewrite.
8967 (setjmp_32): Delete.
8968 (setjmp_64): Likewise.
8970 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8972 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8975 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8977 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8980 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8982 PR rtl-optimization/26296
8983 * Makefile.in (loop-invariant.c): Add except.h dependency.
8984 * loop-invariant.c: Include except.h.
8985 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8987 2005-02-16 Paul Brook <paul@codesourcery.com>
8989 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8992 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8994 PR rtl-optimization/25636
8995 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8996 when deciding whether an insn is an initializing insn.
8998 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9000 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9001 (tree_code_size): Ditto.
9002 * tree.h (struct tree_memory_tag): Remove parent_var.
9003 (struct tree_struct_field_tag): New.
9006 (union tree_node): Add sft member.
9007 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9009 (create_sft): Add size and offset argument, set SFT_OFFSET and
9011 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9012 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9013 * tree-flow-inline.h (get_subvar_at): Update for
9014 SFT_OFFSET/SFT_SIZE.
9015 (var_can_have_subvars): Ditto.
9016 (overlap_subvar): Ditto.
9017 * print-tree.c (print_node): Print out interesting things for
9019 * tree-flow.h (struct subvar): Remove offset and size members.
9020 * tree-ssa-operands.c (get_expr_operands): Update for
9021 get_indirect_ref_operands changes.
9022 (get_indirect_ref_operands): Call add_virtual_operand instead of
9023 add_stmt_operand. Only recurse on base var if requested.
9024 (access_can_touch_variable): New function.
9025 (add_stmt_operand): Split virtual operand handling into ...
9026 (add_virtual_operand): Here. Add offset, size, and for_clobber
9027 arguments. Prune alias sets.
9028 (add_call_clobber_ops): Call add_virtual_operand.
9030 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9033 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9035 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9036 than TREE_CODE as index into omp_clause_num_ops array.
9038 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9040 PR rtl-optimization/26184
9041 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9043 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9044 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9045 must_precede, must_follow and tobe_scheduled.
9048 * opts.c (common_handle_option): Free new_option pointer.
9049 * df-core.c (df_analyze): Free postorder pointer.
9051 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9053 * Makefile.in: Fix the examples about the use of stamps
9055 2006-02-15 Michael Matz <matz@suse.de>
9059 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9060 influenced by maximum_field_alignment or DECL_PACKED.
9061 (update_alignment_for_field): Ditto.
9062 (place_field): Ditto.
9063 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9066 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9068 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9069 (debug_flow_info): Pass it.
9070 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9071 * bb-reorder.c (reorder_basic_blocks): Likewise.
9072 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9073 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9074 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9075 * gcse.c (gcse_main, bypass_jumps): Likewise.
9076 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9077 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9078 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9079 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9080 * rtl.h (dump_flow_info): Adjust prototype.
9081 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9082 * var-tracking.c (variable_tracking_main): Likewise.
9083 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9084 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9087 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9089 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9092 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9094 PR tree-optimization/26209
9095 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9096 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9098 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9100 2006-02-14 Roger Sayle <roger@eyesopen.com>
9103 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9104 (X,Y) and the corresponding symmetry related transformations.
9105 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9106 (X,Y) and its symmetry related transformations.
9108 2006-02-14 Roger Sayle <roger@eyesopen.com>
9110 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9113 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9115 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9117 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9120 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9121 support COMDAT group.
9122 * configure: Regenerate.
9124 2006-02-14 Roger Sayle <roger@eyesopen.com>
9129 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9131 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9133 Fix PR tree-optimization/26260
9135 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9137 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9138 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9139 * tree-ssa-structalias.c (create_variable_info_for): Use
9140 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9142 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9144 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9146 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9147 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9148 of the ending condition.
9149 * tree-ssa-loop-manip.c: Include params.h.
9150 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9151 tree_unroll_loop): New functions.
9152 * tree-pass.h (pass_loop_prefetch): Declare.
9153 * loop.c (rest_of_handle_loop_optimize): Test for
9154 -fprefetch-loop-arrays-rtl.
9155 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9156 * timevar.def (TV_TREE_PREFETCH): New timevar.
9157 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9158 pass_loop_prefetch): New.
9159 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9160 (cleanup_tree_cfg_loop): Call scev_reset.
9161 * common.opt (fprefetch-loop-arrays-rtl): Add.
9162 * tree-ssa-loop-prefetch.c: New file.
9163 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9164 (new_temp_expr_table): Initialize expr_vars.
9165 (free_temp_expr_table): Cleanup expr_vars.
9166 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9167 expressions from being merged into one.
9168 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9169 (struct tree_niter_desc): Add control, bound and cmp fields.
9170 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9172 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9173 (tree-cfgcleanup.o): Add SCEV_H dependency.
9174 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9175 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9177 2006-02-14 Richard Guenther <rguenther@suse.de>
9179 PR tree-optimization/26258
9180 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9181 in PHI argument processing.
9183 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9185 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9186 new expression in the requested machine mode.
9188 2006-02-13 Roger Sayle <roger@eyesopen.com>
9190 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9191 directly, instead let do_compare_rtx_and_jump handle this for us.
9192 * expr.c (expand_expr_real_1): Likewise.
9193 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9194 before do_jump_by_parts_greater.
9195 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9196 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9198 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9200 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9202 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9204 PR rtl-optimization/26235
9205 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9206 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9209 2006-02-13 Jeff Law <law@redhat.com>
9211 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9214 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9217 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9218 twice if decl is a builtin. When trying again, call get_callee_fndecl
9219 first to verify it is still a builtin.
9221 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9223 * dwarf2out.c (base_type_die): Don't add AT_name here.
9224 (subrange_type_die): Don't add AT_name here.
9225 (modified_type_die): Rearrange code flow. Do add AT_name here.
9227 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9229 PR rtl-optimization/26247
9230 PR rtl-optimization/26248
9231 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9233 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9235 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9236 * config/fixtfdi.c: Likewise.
9237 * config/fixunstfdi.c: Likewise.
9238 * config/floatditf.c: Likewise.
9240 2006-02-13 Roger Sayle <roger@eyesopen.com>
9243 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9244 into (X,C2) if C1 is a subset of the bits of C2. Transform
9245 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9247 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9249 2006-02-13 Josh Conner <jconner@apple.com>
9252 * varasm.c (function_section): Check for section name before
9253 calling select_section on targets that define
9254 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9255 unlikely_text_section instead of hot_function_section if
9256 first_function_block_is_cold.
9258 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9261 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9263 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9265 PR rtl-optimization/26222
9266 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9267 after tree->rtl expansion.
9268 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9269 before passing it to emit_move_insn.
9271 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9273 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9275 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9276 Clarify documentation.
9277 * c-common.h (warn_write_strings): Remove.
9278 * c-common.c (warn_write_strings): Likewise.
9279 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9282 2006-02-12 Roger Sayle <roger@eyesopen.com>
9285 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9286 (do_jump_parts_zero_rtx): New function renamed from
9287 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9288 (do_jump_parts_equality_rtx): New function split out from
9289 do_jump_parts_equality. Old implementation renamed as above.
9290 Call do_jump_parts_zero_rtx if either operand is zero.
9291 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9292 do all of the heavy lifting.
9293 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9294 calling either do_jump_by_parts_greater_rtx or
9295 do_jump_by_parts_equality_rtx.
9296 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9297 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9298 moved to do_compare_rtx_and_jump, call it directly.
9299 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9300 mode argument. Call do_compare_rtx_and_jump.
9301 (emit_case_nodes): Update calls to do_jump_if_equal.
9303 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9305 PR rtl-optimization/26225
9306 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9308 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9310 PR rtl-optimization/26232
9311 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9313 2006-02-11 Jason Merrill <jason@redhat.com>
9316 * tree-inline.c (declare_return_variable): Just don't use the
9317 modify target if it's a gimple complex reg and the return slot
9320 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9322 * doc/contrib.texi: Update my entry.
9324 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9326 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9328 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9330 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9333 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9335 * doc/invoke.texi (-floop-optimize2): Removed.
9336 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9337 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9338 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9339 * common.opt (floop-optimize2): Removed.
9340 (fmove-loop-invariants): Enabled by default.
9342 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9344 * tree-if-conv.c (combine_blocks): Free the result of
9345 get_loop_exit_edges.
9347 2006-02-10 Jeff Law <law@redhat.com>
9349 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9351 PR tree-optimization/26213
9352 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9353 loop trying to follow SSA_NAME_VALUE chains.
9355 2006-02-10 Richard Guenther <rguenther@suse.de>
9357 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9358 deal with structures that end in implicitly variable sized arrays.
9360 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9362 PR rtl-optimization/24762
9363 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9366 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9368 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9369 (struct ivopts_data): Add regs_used field.
9370 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9371 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9372 instead of loop_data->regs_used;
9373 (free_loop_data): Do not free aux fields for loops.
9374 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9375 and tree_ssa_iv_optimize_finalize.
9377 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9379 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9381 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9384 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9385 computing the effective result type.
9387 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9390 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9391 (tree_overlaps_hard_reg_set): Declare.
9392 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9393 type and signature to match function type expected by walk_tree.
9394 (tree_overlaps_hard_reg_set): New function.
9395 (decl_conflicts_with_clobbers_p): Rename to:
9396 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9397 Use tree_overlaps_hard_reg_set. Changed caller.
9398 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9399 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9400 * cris.c (cris_md_asm_clobbers): Likewise.
9402 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9404 * reload1.c (emit_input_reload_insns): Delete code that tries to
9405 inherit using find_equiv_reg.
9407 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9409 * c-common.h (flag_const_strings): Don't declare.
9410 * c-common.c (flag_const_strings): Remove.
9411 * c.opt (fconst_strings): Remove.
9412 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9413 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9414 (c_common_init_options): Don't set flag_const_strings.
9415 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9417 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9419 * arm.md (tlobits_cbranch): New pattern.
9420 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9421 testing a single bit.
9423 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9426 * tree-ssa-pre.c (create_component_ref_by_pieces):
9427 Handle RETURN_DECL like VAR_DECL.
9429 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9432 * fold-const.c (fold_indirect_ref_1): Fold
9433 "*(foo *)&complexfoo" to "__real__ complexfoo"
9434 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9436 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9438 * tree-flow-inline.h (var_can_have_subvars):
9439 Volatile variables should not have subvariables.
9441 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9444 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9445 multiplying unsigned values.
9448 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9450 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9452 2006-02-08 Jason Merrill <jason@redhat.com>
9455 * tree.def: Elaborate on difference from MODIFY_EXPR.
9456 * doc/c-tree.texi (INIT_EXPR): Likewise.
9457 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9458 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9459 (gimplify_target_expr): Likewise.
9460 (gimplify_cond_expr): Remove target handling.
9461 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9462 (gimplify_expr): Clobber it here.
9463 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9464 Do return slot optimization if we have an INIT_EXPR.
9467 * tree-inline.c (declare_return_variable): Also clear
9468 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9471 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9474 * gimplify.c (gimplify_one_sizepos): Fix typo.
9476 2006-02-08 Jeff Law <law@redhat.com>
9478 PR tree-optimization/21417
9479 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9480 across a backedge if the control statement at the end of the
9481 block is data dependent on other statements in the same block.
9482 (record_temporary_equivalences_from_stmts): Remove over-conservative
9483 test for threading across backedges.
9485 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9486 control statement, handle all three special cases in the same
9487 manner as they all have the same desired solution. No longer
9488 special case edge flag updating when the post dominator is
9491 2006-02-08 Roger Sayle <roger@eyesopen.com>
9493 * tree.def (CHAR_TYPE): Remove.
9494 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9495 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9496 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9497 (gen_string_type_die): Delete unreachable function.
9499 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9500 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9501 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9502 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9503 * builtins.c (type_to_class): Likewise.
9504 * fold-const.c (fold_convert, build_range_check,
9505 merge_ranges): Likewise.
9506 * expr.c (count_type_elements): Likewise.
9507 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9508 * stor-layout.c (layout_type): Likewise.
9509 * ipa-type-escape.c (type_to_consider): Likewise.
9510 * gimplify.c (omp_firstprivatize_type_sizes,
9511 gimplify_type_sizes): Likewise.
9512 * explow.c (promote_mode): Likewise.
9513 * tree-sra.c (is_sra_scalar_type): Likewise.
9514 * varasm.c (output_constant): Likewise.
9515 * tree-inline.c (remap_type_1): Likewise.
9516 * convert.c (convert_to_pointer, convert_to_real,
9517 convert_to_integer, convert_to_complex): Likewise.
9519 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9521 * df-scan.c (df_def_record_1): A set destination may
9522 be a parallel regardless of mode.
9524 2006-02-08 Roger Sayle <roger@eyesopen.com>
9527 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9528 * config/mips/_tilib.c: Remove.
9529 * config/fixtfdi.c: New libgcc source file.
9530 * config/fixunstfdi.c: New source file.
9531 * config/floatditf.c: New source file.
9532 * config/floatunditf.c: New souce file.
9533 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9534 files above instead of config/mips/_tilib.c.
9535 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9537 2006-02-08 Jeff Law <law@redhat.com>
9539 PR tree-optimization/26169
9540 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9543 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9545 * df.h (DF_REG_SIZE): Return the length of the initialized
9548 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9550 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9551 __muldf3): Return a correctly signed zero.
9553 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9555 * passes.c (register_one_dump_file): Accept the current properties
9556 instead of pass number. Adjust call to dump_register. Remove
9558 (register_dump_files): Now a wrapper around...
9559 (register_dump_files_1): ... this one. Do not modify the pass
9561 (next_pass_1): Cosmetic fix.
9562 (execute_todo): Keep second parameter only. Use curr_properties
9563 instead of fetching it from the pass structure. Check and set
9565 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9566 instead of fetching it from the pass structure. Fix calls to
9567 execute_todo. Update curr_properties and initialize .vcg RTL dump
9568 after running the pass. Reset last_verified.
9569 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9571 (FIRST_AUTO_NUMBERED_DUMP): New.
9572 (dump_register): Remove "num" parameter, assign it within the
9574 (get_dump_file_name): Modify template for dumps.
9575 * tree-dump.h (dump_register): Adjust prototype.
9576 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9577 (PROP_trees): Add PROP_gimple_lomp.
9578 (TODO_set_props): New.
9579 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9580 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9581 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9583 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9585 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9586 (sparc64-*-linux*): Likewise.
9587 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9588 * config/sparc/t-linux: New file.
9589 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9590 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9591 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9592 -m32 -mlong-double-128.
9594 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9595 * config/alpha/t-linux: New file.
9596 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9598 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9599 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9600 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9601 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9602 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9603 (CPP_ARCH32_SPEC): Remove.
9605 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9607 PR tree-optimization/26145
9608 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9611 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9614 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9615 >= 240000 when generating code for SOM runtime.
9616 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9617 to $$dyncall when generating code for SOM runtime..
9619 2006-02-07 Dirk Mueller <dmueller@suse.com>
9622 * doc/invoke.texi (-Wsequence-point): Update documentation
9623 that -Wsequence-point is implemented for C++ as well.
9625 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9627 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9628 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9629 (LIB_SPEC): Likewise.
9630 * doc/invoke.texi (SPARC options): Document -pthread.
9632 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9634 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9637 2006-02-07 Roger Sayle <roger@eyesopen.com>
9639 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9640 Correct comment describing BOOLEAN_TYPE.
9642 2006-02-07 Dirk Mueller <dmueller@suse.com>
9644 * c.opt: C++ frontend supports -Wdiv-by-zero.
9645 * c-opts.c (c_common_handle_option): Remove dead case.
9647 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9649 * configure.ac (TLS assembler check): Do not enable TLS by
9650 default on SPARC/Solaris before version 10.
9651 * configure: Regenerate.
9653 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9655 * doc/invoke.texi (xl-compat): Document conversion and support
9658 2006-02-07 Jeff Law <law@redhat.com>
9660 * tree-vrp.c (find_conditional_asserts): Update comments.
9661 (simplify_stmt_for_jump_threading): New.
9662 (identify_jump_threads, finalize_jump_threads): New.
9663 (vrp_finalize): Call identify_jump_threads.
9664 (execute_vrp): Call finalize_jump_threads.
9665 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9666 (vrp_element, vrp_data, vrp_element_p): Remove.
9667 (vrp_hash_elt, vrp_variables_stack): Remove.
9668 (vrp_hash, vrp_eq, record_range): Remove.
9669 (simplify_cond_and_lookup_avail_expr): Remove.
9670 (extract_range_from_cond): Remove.
9671 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9672 (simplify_stmt_for_jump_threading): New.
9673 (dom_thread_across_edge): New wrapper.
9674 (tree_ssa_dominator_optimize): No longer initialize or
9675 finalize any of the VRP datastructures. Remove iteration
9676 step and simplify as a result of removal of iteration step.
9677 (pass_dominator): Perform a cfg cleanup after DOM.
9678 (dom_opt_finalize_block): Use the new common routines
9679 for threading jumps. Simplify stack management slightly.
9680 No longer need to unwind VRP state.
9681 (record_equivalences_from_incoming_edge): No longer record
9683 (eliminate_redundant_computations): No longer call
9684 simplify_cond_and_lookup_avail_expr.
9685 * tree-flow.h (potentially_threadable_block): Prototype.
9686 (thread_across_edge): Likewise.
9687 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9688 (tree-ssa-threadedge.o): Add dependencies.
9689 * tree-ssa-threadedge.c: New file.
9690 * passes.c (init_optimization_passes): Merge PHIs before
9691 calling VRP. Run VRP again late in the SSA optimization pipeline.
9693 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9695 * df-core.c (df_set_blocks): Do not dereference function pointers.
9696 (df_finish1): Likewise.
9697 (df_hybrid_search_forward): Likewise.
9698 (df_hybrid_search_backward): Likewise.
9699 (df_iterative_dataflow): Likewise.
9700 (df_analyze_problem): Likewise.
9701 (df_compact_blocks): Likewise.
9702 (df_dump): Likewise.
9703 * df-scan.c (df_rescan_blocks): Likewise.
9704 (df_record_entry_block_defs): Likewise.
9706 * genconditions.c (write_conditions): Guard the definition of
9707 'insn_conditions' with the check on GCC version.
9708 (write_writer): Guard the traversal 'insn_conditions' with
9709 the check on GCC version.
9711 2006-02-07 Richard Guenther <rguenther@suse.de>
9715 2006-01-30 Richard Guenther <rguenther@suse.de>
9717 * gimplify.c (gimplify_target_expr): Handle easy cases
9718 without creating a temporary.
9720 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9722 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9723 use of float in probability computations. Use edge probabilities
9724 in place of statically computed probabilities.
9725 (min_spec_prob): New static variable.
9726 (schedule_insns): Initialize it.
9727 (GET_SRC_PROB): Removed.
9728 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9730 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9733 * config/ia64/unwind-ia64.c: Revert last change.
9734 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9735 (INCOMING_FRAME_SP_OFFSET): Define.
9737 2006-02-06 Roger Sayle <roger@eyesopen.com>
9739 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9741 2006-02-07 Ben Elliston <bje@au.ibm.com>
9743 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9744 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9745 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9746 (ix86_return_in_memory): Handle TDmode.
9747 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9748 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9750 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9752 * reorg.c (dbr_schedule): Use dump_file instead of file.
9754 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9757 * config/ia64/predicates.md (extr_len_operand): New predicate.
9758 * config/ia64/ia64.md (extv): Tighten constraints.
9760 (*tbit_and_2): Ditto.
9761 (*tbit_and_3): Ditto.
9762 (*tbit_or_2): Ditto.
9763 (*tbit_or_3): Ditto.
9767 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9770 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9772 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9774 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9775 loop_optimizer_init and loop_optimizer_finalize
9776 * tree-ssa-sink.c (execute_sink_code): Ditto.
9777 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9778 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9779 tree_ssa_loop_done): Ditto.
9780 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9781 * sched-ebb.c: Include output.h.
9782 (schedule_ebbs): Do not use dump argument.
9783 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9784 * loop.c (loop_dump_stream): Removed.
9785 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9787 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9788 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9789 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9790 loop_iterations, strength_reduce, record_biv, record_giv,
9791 final_giv_value, check_final_value, check_ext_dependent_givs,
9792 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9793 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9794 dump_file instead of loop_dump_stream.
9795 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9797 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9799 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9800 * haifa-sched.c: Include output.h
9801 (schedule_insns, sched_init): Do not use dump argument.
9802 * mode-switching.c (optimize_mode_switching): Ditto.
9803 * modulo-sched.c (stats_file): Removed.
9804 (print_node_sched_params): Do not call argument dump_file.
9805 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9806 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9808 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9810 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9811 rtl_loop_init, rtl_loop_done): Ditto.
9812 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9813 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9815 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9816 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9817 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9818 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9819 * emit-rtl.c (renumber_insns): Ditto.
9820 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9821 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9822 * regclass.c (regclass): Ditto.
9823 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9824 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9825 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9826 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9828 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9829 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9831 * gcse.c (gcse_file, debug_stderr): Removed.
9832 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9833 rest_of_handle_gcse): Do not use dump argument.
9834 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9835 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9836 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9837 compute_code_hoist_vbeinout, compute_code_hoist_data,
9838 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9839 compute_store_table, build_store_vectors, insert_insn_start_bb,
9840 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9841 store_motion): Use dump_file instead of gcse_file.
9842 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9843 * profile.c (profile_dump_file): Removed.
9844 (branch_prob): Use dump_file instead of profile_dump_file.
9845 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9847 * tree-ssa-copy.c (dump_copy_of): Ditto.
9848 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9849 dump file to life_analysis.
9850 * bt-load.c (branch_target_load_optimize): Ditto.
9851 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9853 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9854 regclass, dbr_schedule): Declaration changed.
9855 * sched-int.h (sched_init): Declaration changed.
9856 * tree-profile.c (tree_profile_dump_file): Removed.
9857 (tree_profile_hooks): Removed profile_dump_file hook.
9858 * rtl-profile (rtl_profile_dump_file): Removed.
9859 (rtl_profile_hooks): emoved profile_dump_file hook.
9860 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9862 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9863 * tree-cfg.c (build_tree_cfg): Ditto.
9864 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9865 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9866 Declaration changed.
9867 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9868 life_analysis and schedule_insns.
9869 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9871 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9873 * config/mips/mips.c (mips_reorg): Ditto.
9874 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9877 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9879 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9880 (s390_mangle_fundamental_type): New.
9881 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9884 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9885 (alpha_mangle_fundamental_type): New.
9886 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9889 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9891 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9893 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9894 (sparc_mangle_fundamental_type): New.
9896 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9898 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9899 (s390x-*-linux*): Likewise.
9900 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9901 * config/s390/t-linux: New file.
9903 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9905 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9906 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9908 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9910 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9911 (ANTIC_SAFE_LOADS): New macro.
9912 (find_or_generate_expression): Add prototype.
9913 (set_contains_value): Allow null set for sake of not always having
9914 to allocate ANTIC_SAFE_LOADS.
9915 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9916 Allow COMPONENT_REF too.
9917 (valid_in_set): Allow COMPONENT_REF.
9918 Check ANTIC_SAFE_LOADS too.
9919 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9920 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9922 (can_PRE_operation): Add COMPONENT_REF.
9923 (create_component_ref_by_pieces): New function.
9924 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9925 (insert_aux): Move AGGREGATE_TYPE_P check here.
9926 (compute_avail): Set bb local stmt uids.
9927 (pass_pre): Use TODO_update_ssa_only_virtuals.
9929 2006-02-06 Ben Elliston <bje@au.ibm.com>
9931 * configure.ac: Unconditionally disable decimal float by default.
9932 * configure: Regenerate.
9934 2006-02-06 Ben Elliston <bje@au.ibm.com>
9936 * read-rtl.c (read_name): Terminate reading on EOF.
9938 2006-02-06 Ben Elliston <bje@au.ibm.com>
9940 * dfp.c (decimal_real_arithmetic): Change second argument type
9941 from int to enum tree_code. Do not always return true, but now
9942 return result of any call to decimal_do helper functions.
9943 * dfp.h (decimal_real_arithmetic): Update prototype.
9945 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9947 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9949 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9952 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9955 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9957 * tree-vrp.c (cfg_loops): Removed.
9958 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9959 Use current_loops instead of cfg_loops. Pass flags to
9960 loop_optimizer_init.
9961 * cfgloopmanip.c (fix_loop_structure): Update only available
9963 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9964 loop_optimizer_init.
9965 * modulo-sched.c (build_loops_structure): Removed.
9966 (sms_schedule): Use loop_optimizer_init.
9967 * loop-init.c (loop_optimizer_init): Use flags to determine
9968 which properties of loops to prepare.
9969 (rtl_loop_init): Pass flags to loop_optimizer_init.
9970 * tree-ssa-sink.c (execute_sink_code): Ditto.
9971 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9972 * tree-ssa-pre.c (init_pre): Ditto.
9973 * cfgloop.h (LOOPS_NORMAL): New.
9974 (loop_optimizer_init): Declaration changed.
9976 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9978 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9979 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9981 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9983 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9985 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9986 * pa/t-pa64: Delete quadlib.c rule.
9987 * pa/x-ada: Revert last change.
9988 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9990 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9992 PR rtl-optimization/26087
9993 * rtlanal.c (canonicalize_condition): Do not cross basic block
9996 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9999 * config/ia64/ia64.c: Include debug.h.
10000 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10001 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10002 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10003 (process_epilogue, process_set, process_for_unwind_directive):
10004 Output unwind info only if requested. Add CFA info if requested.
10005 Add new arguments as needed. Adjust callers.
10006 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10008 (DWARF2_FRAME_INFO): Define to zero.
10009 * config/ia64/unwind-ia64.c: Remove code that compensated for
10010 the CFA offset error fixed above.
10011 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10012 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10013 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10014 -funwind-tables and -fexceptions to enable frame info.
10015 (dwarf2out_frame_init): Define initial CFA even if
10016 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10017 DWARF2_UNWIND_INFO is nonzero, not just defined.
10018 (dwarf2out_frame_finish): Output non-EH call frame info only
10019 if DWARF2_FRAME_INFO is nonzero.
10020 (convert_cfa_to_loc_list,
10021 compute_frame_pointer_to_cfa_displacement): Define even if
10022 unwind info is not supported.
10023 (gen_subprogram_die): Use the above unconditionally. Remove
10024 legacy alternate code.
10025 * toplev.c (compile_file): Compile in call to
10026 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10027 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10029 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10030 Jakub Jelinek <jakub@redhat.com>
10032 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10033 IBM extended float format long double as "g" on powerpc*-linux.
10035 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10038 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10039 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10041 2006-02-03 Jason Merrill <jason@redhat.com>
10044 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10046 PR middle-end/25977
10047 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10048 on the return slot if it's an NRV.
10050 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10052 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10053 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10054 rewrite_use): Do not handle USE_OUTER.
10055 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10056 add_iv_outer_candidates, may_replace_final_value,
10057 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10058 (find_interesting_uses_op): Functionality of
10059 find_interesting_uses_outer_or_nonlin moved here.
10060 (find_interesting_uses_outside): Use find_interesting_uses_op.
10062 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10065 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10067 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10068 Ulrich Weigand <uweigand@de.ibm.com>
10071 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10072 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10073 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10074 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10076 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10077 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10078 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10079 Define secondary reloads for TFmode moves.
10080 (constant_modes): Add TFmode.
10081 (NR_C_MODES): Set to 8.
10082 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10084 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10085 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10086 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10087 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10088 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10089 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10090 (FPR mode macro): Add TFmode.
10091 (DSF mode macro): New.
10092 (<de>, <dee> mode attributes): Removed.
10093 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10094 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10095 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10096 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10097 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10098 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10099 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10100 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10101 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10102 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10103 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10104 "*negabs<mode>2", "sqrt<mode>2"):
10105 Changed <de> to <xde>. R constraint replaced by <Rf>.
10106 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10108 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10109 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10110 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10112 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10113 "extenddftf2", "extendsftf2"): New expanders.
10114 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10115 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10116 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10117 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10119 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10120 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10121 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10122 __floatditf): Add a GCC_4.1.0 symbol version tag.
10123 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10126 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10129 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10130 Use targetm.binds_local_p instead of TREE_PUBLIC.
10132 2006-02-02 Roger Sayle <roger@eyesopen.com>
10134 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10135 on INTEGER_TYPEs to indicate that it denotes a character type.
10136 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10137 signed_char_type_node, unsigned_char_type_node and char_type_node.
10138 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10139 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10140 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10142 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10143 Daniel Berlin <dberlin@dberlin.org>
10145 * tree-tailcall.c (arg_needs_copy_p): New function.
10146 (eliminate_tail_call): Use arg_needs_copy_p.
10147 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10148 (add_virtual_phis): New function.
10150 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10152 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10153 #ignore instead of #scratch for %g7 .register directive.
10155 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10157 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10160 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10162 * flow.c (calculate_global_regs_live): Assert that there aren't any
10165 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10167 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10168 what its name says.
10169 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10170 bsi_after_labels iterator.
10171 * tree-if-conv.c (find_phi_replacement_condition,
10172 replace_phi_with_cond_modify_expr): Likewise.
10173 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10174 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10176 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10178 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10180 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10183 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10184 array after growing it.
10186 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10188 PR middle-end/24901
10189 * fold-const.c (fold_checksum_tree): Change type of buf.
10191 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10193 * reload.c (push_secondary_reload): Initialize t_icode.
10195 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10197 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10198 -msoft-float -mlong-double-128 only issue a warning, but don't
10199 swich to DFmode long double.
10201 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10203 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10204 has a constant equivalent, iterate over equivalents for arg0,
10205 calling simplify_relational_operation and if there's a result
10206 cheaper than X, apply fold_rtx and return the result.
10208 2006-02-01 Jan Hubicka <jh@suse.cz>
10210 * opts.c (no_unit_at_a_time_default): New global variable.
10211 (decode_options): Use it.
10212 * opts.h (no_unit_at_a_time_default): Declare.
10214 2006-02-01 Paul Brook <paul@codesourcery.com>
10216 * function.c (assign_parm_setup_reg): Use function argument promotion
10218 * expr.c (expand_expr_real_1): Use function argument promotion rules
10221 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10223 * gcc.c (process_command): Change j to 'unsigned int'.
10225 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10227 PR middle-end/26001
10228 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10229 Use the corrected index for the character
10230 out of the string constant.
10232 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10234 * mode-switching.c (optimize_mode_switching): Fix size
10235 allocated for bb_info[n_entities].
10237 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10239 * gcc.c (main): Correct type that is allocated for
10240 explicit_link_files.
10242 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10244 * config/s390/s390.c (init_alignment_context): Set
10245 ALIAS_SET_MEMORY_BARRIER on the MEM.
10246 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10248 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10250 PR middle-end/25933
10251 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10253 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10256 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10258 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10259 * regrename.c: Ditto.
10260 * tree-ssa-loop-im.c: Ditto.
10261 * tree-dump.c: Ditto.
10262 * tree-complex.c: Ditto.
10263 * genrecog.c: Ditto.
10264 * tree-ssa-threadupdate.c: Ditto.
10266 * java/class.c: Ditto.
10267 * java/jcf-parse.c: Ditto.
10268 * java/resource.c: Ditto.
10269 * java/except.c: Ditto.
10270 * java/jvspec.c: Ditto.
10271 * java/jcf-write.c: Ditto.
10272 * java/jcf-path.c: Ditto.
10273 * java/gjavah.c: Ditto.
10274 * java/zextract.c: Ditto.
10275 * java/jcf-io.c: Ditto.
10276 * java/jcf.h: Ditto.
10277 * java/buffer.c: Ditto.
10278 * java/lang.c: Ditto.
10279 * java/parse-scan.y: Ditto.
10280 * java/lex.c: Ditto.
10281 * java/lex.h: Ditto.
10282 * cfgloopmanip.c: Ditto.
10283 * postreload-gcse.c: Ditto.
10284 * tree-ssa-loop-manip.c: Ditto.
10285 * postreload.c: Ditto.
10286 * tree-ssa-loop-ch.c: Ditto.
10289 * cppspec.c: Ditto.
10290 * diagnostic.c: Ditto.
10292 * genoutput.c: Ditto.
10294 * cfghooks.c: Ditto.
10295 * cfgloopanal.c: Ditto.
10296 * objc/objc-act.c: Ditto.
10298 * genextract.c: Ditto.
10299 * genautomata.c: Ditto.
10300 * pretty-print.c: Ditto.
10301 * genemit.c: Ditto.
10302 * cgraphunit.c: Ditto.
10304 * df-scan.c: Ditto.
10305 * haifa-sched.c: Ditto.
10306 * dominance.c: Ditto.
10308 * tree-ssa-loop-ivopts.c: Ditto.
10309 * df-core.c: Ditto.
10310 * mode-switching.c: Ditto.
10311 * modulo-sched.c: Ditto.
10313 * ipa-pure-const.c: Ditto.
10315 * fix-header.c: Ditto.
10317 * tree-stdarg.c: Ditto.
10318 * ipa-utils.c: Ditto.
10319 * loop-init.c: Ditto.
10320 * ipa-inline.c: Ditto.
10321 * cfganal.c: Ditto.
10323 * alloc-pool.c: Ditto.
10324 * dwarf2out.c: Ditto.
10326 * genattrtab.c: Ditto.
10327 * tree-ssa-loop-ivcanon.c: Ditto.
10328 * predict.c: Ditto.
10329 * timevar.c: Ditto.
10331 * fortran/gfortranspec.c: Ditto.
10332 * regmove.c: Ditto.
10333 * local-alloc.c: Ditto.
10334 * langhooks.c: Ditto.
10335 * function.c: Ditto.
10336 * tree-vectorizer.c: Ditto.
10338 * ipa-type-escape.c: Ditto.
10340 * tree-if-conv.c: Ditto.
10341 * profile.c: Ditto.
10343 * tree-data-ref.c: Ditto.
10344 * loop-unroll.c: Ditto.
10345 * treelang/treetree.c: Ditto.
10347 * bt-load.c: Ditto.
10348 * ggc-common.c: Ditto.
10350 * coverage.c: Ditto.
10352 * tree-cfgcleanup.c: Ditto.
10353 * tree-ssa-pre.c: Ditto.
10354 * cfgcleanup.c: Ditto.
10355 * loop-invariant.c: Ditto.
10356 * loop-iv.c: Ditto.
10357 * ipa-prop.c: Ditto.
10358 * print-tree.c: Ditto.
10359 * conflict.c: Ditto.
10360 * ggc-page.c: Ditto.
10361 * sched-deps.c: Ditto.
10362 * regclass.c: Ditto.
10363 * tree-object-size.c: Ditto.
10364 * combine.c: Ditto.
10365 * bb-reorder.c: Ditto.
10366 * resource.c: Ditto.
10367 * var-tracking.c: Ditto.
10368 * cfgloop.c: Ditto.
10369 * df-problems.c: Ditto.
10370 * reg-stack.c: Ditto.
10372 * gccspec.c: Ditto.
10373 * sched-rgn.c: Ditto.
10374 * tree-ssa-structalias.c: Ditto.
10375 * tree-ssa-reassoc.c: Ditto.
10376 * config/darwin-c.c: Ditto.
10377 * config/darwin.c: Ditto.
10378 * config/arm/arm.c: Ditto.
10380 * collect2.c: Ditto.
10381 * reload1.c: Ditto.
10383 2006-01-31 Nicolas Pitre <nico@cam.org>
10385 * arm.md (smaxsi3): Make aware of smax_m1.
10388 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10390 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10392 2006-01-31 Richard Guenther <rguenther@suse.de>
10394 * doc/invoke.texi (-msselibm): Document.
10395 * target.h (expand_library_builtin): New target hook.
10396 * builtins.c (expand_builtin): Use expand_library_builtin.
10397 (default_expand_library_builtin): New function.
10398 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10399 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10400 (link_gcc_math_spec): Declare.
10401 (static_specs): Add link_gcc_math_spec.
10402 * expr.h (default_expand_library_builtin): Declare.
10403 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10404 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10405 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10406 * config/i386/i386.opt (msselibm): New target option.
10407 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10408 (ix86_init_sse_abi_builtins): New function.
10409 (ix86_expand_library_builtin): Likewise.
10410 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10411 (override_options): Handle error conditions wrt -msselibm.
10412 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10413 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10414 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10417 2006-01-31 Richard Guenther <rguenther@suse.de>
10418 Paolo Bonzini <bonzini@gnu.org>
10420 * doc/install.texi (--disable-libgcc-math): Document.
10422 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10424 * expr.h (expand_normal): new inline function.
10425 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10426 * dojump.c: use it.
10427 * dwarf2out.c: use it.
10430 * expmed.c: use it.
10431 * except.c: use it.
10432 * config/sparc/sparc.c: use it.
10433 * config/i386/i386.c: use it.
10434 * config/rs6000/rs6000.c: use it.
10435 * config/arm/arm.c: use it.
10436 * config/mips/mips.c: use it.
10437 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10439 2006-01-30 Roger Sayle <roger@eyesopen.com>
10441 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10442 argv to the appropriate type.
10444 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10446 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10449 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10452 * config/s390/s390.c (struct machine_function): New flag
10453 decomposed_literal_pool_addresses_ok_p.
10454 (s390_reorg): Set it before final stage of literal pool transforms.
10455 (s390_decompose_address): Only accept displacements of the form
10456 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10458 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10460 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10461 the comparison routine return.
10463 2006-01-30 Michael Matz <matz@suse.de>
10465 * global.c (find_reg): Only evict for global regs.
10466 Take n_refs into account and dump more info.
10468 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10471 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10472 (pragma_trap, pragma_nosave_low_regs): Likewise.
10473 (current_function_anonymous_args): Likewise.
10474 (sh_deferred_function_attributes): New variable.
10475 (sh_deferred_function_attributes_tail): Likewise.
10476 (print_operand): For '@', look up trap_exit attribute.
10477 (calc_live_regs): Look up trapa_handler attribute. For trapa
10478 handlers, save/restore fpscr, but don't do any other
10479 interrupt-specific saves.
10480 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10481 Fix check for partially saved registers to check for SHmedia.
10482 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10483 (sh_output_function_epilogue): Don't clear any of the removed
10485 (sh_insert_attributes): Don't check pragma_interrupt.
10486 Insert deferred attributes. Check that interrupt attribute is
10487 present for other attributes that require its presence.
10488 (sh_attribute_table): Add new attributes trapa_handler and
10490 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10491 Don't check for pragma_interrupt. Don't store argument.
10492 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10493 (sh_deferred_function_attributes): Declare.
10494 (sh_deferred_function_attributes_tail): Likewise.
10495 * sh.md (sp_switch_1): Add operand. Change generator caller.
10496 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10497 (*return_i): Don't use when trap_exit attribute is in effect.
10498 (*return_trapa): New insn pattern.
10499 * sh-c.c: New file.
10500 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10501 setting c_target_objs and cxx_target_objs.
10502 * t-sh: Add rule for sh-c.o.
10504 2006-01-30 Richard Guenther <rguenther@suse.de>
10507 * gimplify.c (gimplify_target_expr): Handle easy cases
10508 without creating a temporary.
10510 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10512 * vec.h (safe_grow): Remove duplicated line.
10514 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10517 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10518 (expand_omp): ... here.
10519 (expand_omp_parallel): Only remove barriers for combined
10520 parallel+workshare constructs.
10522 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10526 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10527 * tree.c (build_qualified_type): Chain the new type to the original
10528 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10529 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10530 (build_pointer_type_for_mode): Only return unqualified types.
10531 (build_reference_type_for_mode): Likewise.
10533 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10535 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10536 * Makefile.in (CXX_COMPAT_WARN): Define.
10537 * configure: Regenerate.
10539 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10542 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10545 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10547 * toplev.c: Fix thinko.
10549 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10550 Marcin Dalecki <martin@dalecki.de>
10552 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10553 (push_srcloc): Use XNEW.
10554 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10556 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10558 * df-core.c (df_set_blocks): Deleted all variable.
10560 2006-01-28 Ian Lance Taylor <ian@airs.com>
10562 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10563 cgraph_output_pending_asms.
10565 2006-01-28 Zack Weinberg <zackw@panix.com>
10567 * c.opt: Add -W(no-)overlength-strings.
10568 * doc/invoke.texi: Document it.
10569 * c-opts.c (c_common_handle_option): -pedantic implies
10570 -Woverlength-strings, if not explicitly disabled already.
10571 (c_common_post_options): -Woverlength-strings defaults to off, and
10572 is always off for C++.
10573 * c-common.c (fix_string_type): Issue warning about strings longer
10574 than is portable only if warn_overlength_strings. Rearrange code
10575 a little for clarity.
10576 * configure.in: Check for -Wno-overlength-strings as well before
10577 enabling -pedantic in stage 1.
10578 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10579 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10581 * genconditions.c (write_header, write_one_condition)
10582 (write_conditions, write_writer): Consolidate very long strings
10583 that were broken up to fit in C89 portable limit. Don't use
10584 printf when fputs will do.
10586 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10588 * combine.c (simplify_comparison <AND>): Check
10589 TRULY_NOOP_TRUNCATION before start using a subreg.
10591 * config/mips/mips.md (*branch_zero<mode>,
10592 *branch_zero<mode>_inverted, *branch_equality<mode>,
10593 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10594 Remove mode check from comparisons.
10596 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10598 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10600 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10602 * expmed.c (const_mult_add_overflow_p): Remove.
10603 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10605 * recog.c (validate_replace_rtx_subexp): Remove.
10606 * recog.h: Remove the prototype for
10607 validate_replace_rtx_subexp.
10609 * integrate.h: Remove the prototype for
10610 copy_decl_for_inlining.
10611 * rtl.h: Remove the prototype for mark_constant_function.
10612 * tree-vectorizer.h: Remove the prototype for
10613 vect_strip_conversion.
10615 * modulo-sched.c (create_partial_schedule,
10616 free_partial_schedule, reset_partial_schedule): Make them
10619 * hooks.c (hook_bool_rtx_int_false): Remove.
10620 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10622 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10624 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10625 and -mlong-double-128 are incompatible.
10626 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10627 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10628 (TARGET_LIBGCC2_CFLAGS): Define.
10629 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10630 (TARGET_LIBGCC2_CFLAGS): Same.
10631 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10633 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10636 * c-typeck.c (build_binary_op): Perform implicit casts of
10637 operands before shortening them.
10639 * cfgloopmanip.c (split_loop_bb): Remove.
10640 * cfgloop.h: Remove the prototype for split_loop_bb.
10642 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10643 * cfgloop.h: Remove the prototype for
10644 flow_loop_outside_edge_p.
10646 * emit-rtl.c (init_virtual_regs): Make it static.
10647 * function.h: Remove the prototype for init_virtual_regs.
10649 * recog.c (peephole2_optimize): Make it static.
10650 * recog.h: Remove the prototype for peephole2_optimize.
10652 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10654 * df-scan.c (df_record_entry_block_defs): Check if
10655 INCOMING_RETURN_ADDR_RTX is defined.
10657 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10658 Kenneth Zadeck <zadeck@naturalbridge.com>
10660 PR rtl-optimization/24762
10661 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10662 * targhooks.c (hook_void_bitmap): New hook prototype.
10663 * targhoohs.h (hook_void_bitmap): Ditto.
10664 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10665 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10666 * target.h (live_on_entry): New function pointer.
10667 * df-scan.c (df_all_hard_regs): Removed.
10668 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10669 (df_scan_free_internal): Added df->entry_block_defs.
10670 (df_scan_alloc): Ditto.
10671 (df_scan_dump): Ditto.
10672 (df_uses_record): Plumbed flag field properly thru calls.
10673 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10674 This part fixes PR24762.
10675 (df_bb_refs_record): Added code to make the frame and arg
10676 pointers live in EH blocks.
10677 (df_refs_record): Added call to df_record_entry_block_defs.
10678 (df_record_entry_block_defs): New function.
10679 * df-core.c: Added comments to describe new artifical defs.
10680 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10681 (entry_block_defs): New field in struct df.
10682 (df_all_hard_regs): Deleted.
10683 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10684 * df-problems.c (df_ru_bb_local_compute_process_def):
10685 Added code to handle artifical defs in the entry to a function.
10686 (df_ru_bb_local_compute): Ditto.
10687 (df_rd_bb_local_compute_process_def): Ditto.
10688 (df_rd_bb_local_compute): Ditto.
10689 (df_lr_bb_local_compute): Ditto.
10690 (df_ur_bb_local_compute): Ditto.
10691 (df_urec_bb_local_compute): Ditto.
10692 (df_chain_create_bb): Ditto.
10693 (df_ur_local_finalize): Removed entry.
10694 (df_urec_init): Ditto.
10695 (df_urec_local_finalize): Ditto.
10696 (df_ri_bb_compute): Added detection of last use of pseudos.
10697 * Makefile.in (df-scan.o): Updated dependencies.
10698 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10699 * config/mips/mips.c (mips_set_live_on_entry): Added.
10700 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10702 * dce.c (marked_insn_p): Added code to handle artifical defs.
10704 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10706 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10708 (_mm_cvtsi128_si64): Likewise.
10709 (_mm_cvtsd_si64): Likewise.
10710 (_mm_cvttsd_si64): Likewise.
10711 (_mm_cvtsi64_sd): Likewise.
10712 (_mm_cvtsi64_si128): Likewise.
10713 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10714 (_mm_cvtsi64_m64): Likewise.
10715 (_m_to_int64): Likewise.
10716 (_mm_cvtm64_si64): Likewise.
10717 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10718 (_mm_cvttss_si64): Likewise.
10719 (_mm_cvtsi64_ss): Likewise.
10720 (_mm_cvtss_f32): Likewise.
10722 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10724 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10725 for pragma redefine_extname.
10727 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10730 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10731 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10732 -mno-minimal-toc to previous content.
10733 (bispecs): Remove goal.
10734 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10735 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10736 compatibility aliases on powerpc-*-*gnu*.
10737 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10738 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10739 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10740 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10741 (ldblspecs): New goal.
10742 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10743 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10745 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10746 L_sf_to_tf or L_df_to_tf is defined.
10748 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10749 Alan Modra <amodra@bigpond.net.au>
10752 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10753 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10754 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10755 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10756 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10757 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10758 (rs6000_override_options): Initialize rs6000_ieeequad.
10759 Initialize TFmode format to ibm_extended_format if not
10761 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10763 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10764 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10765 (function_arg_advance): IBM long double passed in two FPRs, not
10767 (function_arg): IBM long double passed in FPRs.
10768 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10769 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10770 Only multireg GPR aligned.
10771 (rs6000_init_libfuncs): Enable IBM long double functions if not
10773 (rs6000_generate_compare): Use IBM long double compare if not
10775 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10776 (TARGET_IEEEQUAD): Define.
10777 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10778 not TARGET_IEEEQUAD.
10779 * config/rs6000/rs6000.md: Enable TFmode patterns if
10781 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10782 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10783 and -mlong-double-128 are incompatible.
10784 * doc/invoke.texi (-mabi): Collect options together. Add
10785 ibmlongdouble and ieeelongdouble.
10787 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10789 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10791 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10792 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10793 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10794 * rtl.h (rtunion_def): Remove rt_ptr.
10796 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10797 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10798 * config/i386/winnt.c (i386_pe_mark_dllexport)
10799 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10801 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10803 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10805 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10809 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10810 pthread_key_delete. From John David Anglin. gthrw-ify
10811 pthread_getunique_np only if it it's not a macro. Delete
10813 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10814 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10815 __gthread_objc_condition_signal, __gthread_key_delete): Add
10816 "__attribute__ ((__unused__))" to unused arguments.
10817 (__gthread_recursive_mutex_init_function): Add missing return.
10818 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10819 gthr-posix95.h: Use macro-based approach for name redirection
10820 on targets missing weakref.
10822 2006-01-26 Zack Weinberg <zackw@panix.com>
10824 * genconditions.c (write_header): In generated code, #ifdef out
10825 all includes and fake declarations, except includes of bconfig.h
10826 and system.h, unless GCC_VERSION >= 3001. Do not include
10827 gensupport.h in any case.
10828 (write_conditions): Generate a definition of struct c_test. Add
10829 a comment to the generated #endif.
10830 (write_one_condition): Escape backslashes in string too.
10831 (write_writer): Generated code must escape backslashes and quote
10832 marks (but not newlines) in the strings it writes.
10833 * Makefile.in (build/gencondmd.o): Update dependencies.
10835 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10838 * Makefile.in (insn-automata.o): Add header file dependencies.
10839 * genautomata.c: Add includes.
10841 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10844 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10846 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10848 * configure.ac: Expect target tools paths to be passed from the toplevel
10849 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10851 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10853 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10856 * c.opt (Wpointer-sign): Init to -1.
10857 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10858 OPT_pedantic, to 0 otherwise.
10859 * doc/invoke.texi: Update.
10861 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10863 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10864 constants provided by 80387 instructions in the destination mode.
10866 2006-01-26 Richard Guenther <rguenther@suse.de>
10867 Andrew Pinski <pinskia@physics.uc.edu>
10870 partial PR tree-opt/17064
10871 * tree-ssa-structalias.c (intra_create_variable_infos):
10872 Create heap variables for incoming parameters if
10873 flag_argument_noalias > 1.
10874 (find_what_p_points_to): Look through default defs of
10877 2006-01-26 Jeff Law <law@redhat.com>
10880 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10881 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10882 within the VR_RANGE, use the VR_RANGE as the result, not the
10884 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10885 bounds for the type.
10887 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10889 * tree-ssa-alias.c (maybe_create_global_var): Change
10890 subvar walking to an assertion that we don't have subvar'd variables.
10892 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10895 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10896 Use a new variable, inner. PARM_DECLs are always non-weak.
10898 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10900 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10901 --disable-checking.
10903 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10905 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10907 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10909 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10910 (smax_insn, smin_insn, smax_0, smin_0): New.
10912 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10915 * config/cris/cris.c (cris_order_for_addsi3): New function.
10916 * config/cris/cris-protos.h: Prototype it.
10917 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10918 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10919 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10920 (split for "op.S1 [rx=rx+i],ry (swapped)")
10921 (split for "op(s|u).S1 [rx=rx+i],ry")
10922 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10923 Apply cris_order_for_addsi3 when generating addsi3 insns.
10925 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10927 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10928 (TREE_BLOCK): Add call to EXPR_CHECK.
10930 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10933 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10934 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10935 (dump_omp_clauses): ... here.
10936 (dump_generic_node): Handle OMP_CLAUSE.
10937 * tree.c (omp_clause_num_ops): New.
10938 (omp_clause_code_name): New.
10939 (tree_code_size): Handle OMP_CLAUSE.
10940 (tree_size): Likewise.
10941 (make_node): Document handling of OMP_CLAUSE.
10942 (tree_node_structure): Handle OMP_CLAUSE.
10943 (omp_clause_check_failed): New.
10944 (omp_clause_range_check_failed): New.
10945 (omp_clause_operand_check_failed): New.
10946 (build_omp_clause): New.
10947 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10948 * tree.h (enum omp_clause_code): Declare.
10949 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10950 (OMP_CLAUSE_RANGE_CHECK): Define.
10951 (OMP_CLAUSE_ELT_CHECK): Define.
10952 (omp_clause_check_failed): Declare.
10953 (omp_clause_operand_check_failed): Declare.
10954 (omp_clause_range_check_failed): Declare.
10955 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10956 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10957 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10958 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10959 (OMP_CLAUSE_IF_EXPR): Likewise.
10960 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10961 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10962 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10963 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10964 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10965 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10966 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10967 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10968 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10969 (OMP_CLAUSE_CODE): Define.
10970 (OMP_CLAUSE_SET_CODE): Define.
10971 (OMP_CLAUSE_CODE): Define.
10972 (OMP_CLAUSE_OPERAND): Define.
10973 (struct tree_omp_clause): Declare.
10974 (union tree_node): Add field 'omp_clause'.
10975 * treestruct.def (TS_OMP_CLAUSE): Define.
10976 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10977 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10978 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10979 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10980 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10981 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10982 (OMP_CLAUSE): Define.
10983 * print-tree.c (print_node): Handle OMP_CLAUSE.
10984 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10985 * c-typeck.c: Likewise.
10986 * gimplify.c: Likewise.
10987 * c-omp.c: Likewise.
10988 * tree-nested.c: Likewise.
10989 * tree-inline.c: Likewise.
10990 * c-parser.c: Likewise.
10991 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10994 2006-01-25 Roger Sayle <roger@eyesopen.com>
10996 PR rtl-optimization/25703
10997 * combine.c (try_combine): Handle zero_extract and strict_low_part
10998 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11000 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11002 * global.c: Fix comment typos.
11004 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11007 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11008 Use output_addr_const instead of assemble_name.
11010 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11012 * Makefile.in (sched-vis.o): Update dependencies.
11013 * haifa-sched.c (sched_finish): Clear current_sched_info.
11014 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11015 (dump_flow_info): Call it.
11016 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11018 * basic-block.h (dump_bb_info): Declare.
11019 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11020 option, and apply options only for dump files whose TDF_RTL,
11021 TDF_TREE, or TDF_IPA bits match.
11022 * rtl.h: Declare new functions exported from sched-vis.c.
11023 * sched-vis.c: Enable also if scheduling is not used.
11024 (print_value): Print the mode of registers if not inside scheduling.
11025 (print_insn): Make it work outside the scheduler. Beautify the output
11027 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11029 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11031 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11032 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11033 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11034 depending on the value of CONSTANT_POOL_ADDRESS_P.
11035 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11037 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11038 rather than SYMBOL_REF_DECL.
11039 (rtx_constant_pool): Remove const_rtx_sym_htab.
11040 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11041 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11042 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11043 Remove handling of const_rtx_sym_htab.
11044 (find_pool_constant): Delete.
11045 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11046 rather than find_pool_constant.
11047 (get_pool_constant_for_function): Delete.
11048 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11049 find_pool_constant.
11050 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11051 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11052 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11053 (SYMBOL_REF_CONSTANT): New macro.
11054 (get_pool_constant_for_function): Delete.
11055 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11056 rather than SYMBOL_REF_DECL.
11057 (i386_pe_mark_dllimport): Likewise.
11058 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11059 rather than SYMBOL_REF_DECL.
11060 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11061 (machopic_indirect_call_target): Likewise.
11063 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11065 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11067 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11069 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11071 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11073 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11075 2006-01-24 David Daney <ddaney@avtrex.com>
11078 * configure.ac (enable_tls): New enable option.
11079 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11080 * configure: Regenerate.
11081 * doc/install.texi (--enable-tls): Document new option.
11082 (--disable-tls): Ditto.
11084 2006-01-24 Richard Henderson <rth@redehat.com>
11086 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11087 * alias.c (true_dependence): Respect it.
11088 (canon_true_dependence, write_dependence_p): Likewise.
11089 * builtins.c (get_builtin_sync_mem): Set it.
11091 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11093 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11096 2006-01-24 DJ Delorie <dj@redhat.com>
11098 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11099 for storing constants in single-bit bitfields.
11101 2006-01-25 Ben Elliston <bje@au.ibm.com>
11103 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11105 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11108 * tree-ssa-pre.c (phi_translate): Return NULL
11109 for AGGREGATE_TYPE's.
11111 2006-01-24 Zack Weinberg <zackw@panix.com>
11113 * genautomata.c (process_state_for_insn_equiv_partition):
11114 Use xcalloc for insn_arcs_array.
11115 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11116 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11118 2006-01-24 Richard Henderson <rth@redhat.com>
11120 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11121 update all callers.
11123 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11125 PR rtl-optimization/25890
11126 PR rtl-optimization/25905
11127 * combine.c (expand_compound_operation, expand_field_assignment):
11128 Fail if the bitfield's final position is out of bounds.
11130 2006-01-24 Ian Lance Taylor <ian@airs.com>
11132 PR middle-end/25930
11133 * cgraphunit.c (cgraph_output_in_order): Don't clear
11134 cgraph_asm_nodes until after asm strings have been output.
11136 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11138 * fix-header.c (read_scan_file): Add new parameter imultilib when
11139 calling register_include_chains.
11141 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11143 * omp-low.c: Update documentation.
11145 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11146 Daniel Berlin <dberlin@dberlin.org>
11150 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11151 return from the function.
11153 2006-01-22 Zack Weinberg <zackw@panix.com>
11155 * rtl.def (match_code): Add second argument.
11156 * genpreds.c (write_extract_subexp): New function.
11157 (write_match_code): Add path argument. Use write_extract_subexp.
11158 (write_predicate_expr): Pass path to write_match_code.
11159 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11160 not perform a mode test.
11161 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11162 a subexpression does not constrain the top-level code set.
11163 * read-rtl.c (read_rtx_variadic): New function.
11164 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11165 * doc/md.texi: Document new notation.
11166 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11167 (cmpsi_operand): ... here, using new notation.
11169 2006-01-22 Zack Weinberg <zackw@panix.com>
11171 * varray.c: Remove GENERATOR_FILE #ifdefs.
11173 2006-01-22 Zack Weinberg <zackw@panix.com>
11175 * genautomata.c (output_reserved_units_table): Emit nothing if
11176 description->query_units_num is zero. Remove extra blank line.
11177 (output_cpu_unit_reservation_p): Short circuit
11178 if description->query_units_num is zero.
11180 2006-01-22 Zack Weinberg <zackw@panix.com>
11182 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11183 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11184 nor any of the random handful of variables that used to be necessary
11185 when this program was linked with rtlanal.o. Prune set of forward
11186 function declarations.
11187 (struct attr_desc): Remove static_p field.
11188 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11189 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11190 (attr_string): Do not read the character one past the length of
11192 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11193 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11194 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11195 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11196 (make_automaton_attrs): New.
11197 (main): Do not call into genautomata. Call local gen_bypass
11198 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11199 Remove special case for insn_alts.
11200 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11201 varray.h (leftover from previous change). Prune set of forward
11202 function declarations. Remove state_alts fields from all
11203 structures. Remove state_alts_table from struct automaton.
11204 Make everything except main static. Do not maintain num_dfa_decls.
11205 Do not maintain state_alts fields of various structures.
11206 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11207 (add_arc): Remove state_alts argument. All callers updated.
11208 (output_reserved_units_table): Emit #ifdef here...
11209 (output_tables): ...not here. Don't generate state_alts tables.
11210 (expand_automata): Don't generate attributes.
11211 (write_automata): Don't generate state_alts functions.
11212 (main): New function.
11213 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11214 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11215 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11216 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11217 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11218 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11219 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11220 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11222 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11223 * genattrtab.h: Delete file.
11224 * Makefile.in (OBJS-common): Add insn-automata.o.
11225 (insn-automata.o): New rule.
11226 (simple_generated_c): Add insn-automata.c.
11227 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11228 (genprogmd): Add automata.
11229 (build/genattrtab): Needs no extra objects nor libraries.
11230 (build/genautomata): Needs build/vec.o and -lm.
11232 2006-01-22 Zack Weinberg <zackw@panix.com>
11234 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11235 (output_dfa_max_issue_rate, locked_states_num): Delete.
11236 (struct automaton): Add locked_states field.
11237 (output_dead_lock_vect): Save number of locked states in
11238 automaton->locked_states. If it is zero, don't print anything.
11239 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11240 (output_internal_dead_lock_func): Only test the dead_lock_vect
11241 for automata that have locked states.
11242 (output_statistics): Always print the number of locked states for
11243 each automaton. Calculate total number of locked states here.
11244 (write_automata): Don't call output_dfa_max_issue_rate.
11245 * genattrtab.c: Define length_unit_log as a const variable.
11246 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11247 max_insn_queue_index const.
11248 * final.c (length_unit_log): Declare const.
11249 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11251 2006-01-22 Zack Weinberg <zackw@panix.com>
11253 * genautomata.c: Include vec.h, not varray.h.
11254 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11255 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11256 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11257 VEC_* macros operating on appropriately typed vectors, or to
11258 malloced arrays when the size is known in advance. Const-ify
11259 many char* variables and function arguments. No functional changes.
11260 * Makefile.in (build/varray.o): Delete rule.
11261 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11262 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11264 2006-01-22 Zack Weinberg <zackw@panix.com>
11266 * gensupport.c: Define get_insn_name and record_insn_name here.
11267 (read_md_rtx): Call record_insn_name as appropriate.
11268 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11269 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11270 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11272 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11273 (BUILD_VARRAY): Delete.
11274 (genprognormal): Rename genprogmd. Fold in all programs from
11275 genprognoprint; also attrtab.
11276 (build/genattrtab): Just mention genautomata.o and varray.o.
11277 Reorganize a bit, add comments to make the categories clearer.
11279 2006-01-22 Zack Weinberg <zackw@panix.com>
11281 * genconditions.c (condition_table, add_condition): Delete.
11282 (write_conditions): Don't emit n_insn_conditions nor
11283 insn_elision_unavailable. Issue the gcc version #ifdef here,
11284 inside the table, with no #else clause ...
11285 (write_header): ...not here.
11286 (write_writer): New function.
11287 (main): Don't initialize condition_table. Use add_c_test.
11289 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11290 files on the command line.
11291 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11292 Return -1 if there is no entry in the table, don't abort.
11293 (add_c_test, traverse_c_tests): New functions.
11294 * gensupport.h (insn_elision_unavailable, insn_conditions)
11295 (n_insn_conditions): Delete declarations.
11296 (add_c_test, traverse_c_tests): Declare.
11297 * read-rtl.c: Include gensupport.h.
11298 (read_conditions): New function.
11299 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11300 (read_rtx_1): If we get EOF when we were looking for an initial
11301 open paren, return 0. Call read_conditions when appropriate.
11302 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11303 dummy-conditions.o. Eliminate references to insn-conditions.o,
11304 or change them to build/gencondmd.o, as appropriate. Remove
11305 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11306 from $(simple_generated_c). For all files remaining in those
11307 two lists, add insn-conditions.md to the generator command line.
11308 Give insn-constants.h/s-constants their own rules. Add rules
11309 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11310 (build/read-rtl.o): Depend on gensupport.h.
11311 (genprognormal): Include preds.
11312 (genprogearly): Rename genprognoprint; only difference is now that
11313 they don't link with $(BUILD_PRINT).
11314 * dummy-conditions.c: Delete.
11316 2006-01-22 Zack Weinberg <zackw@panix.com>
11318 * genextract.c: Don't include insn-config.h. Do include vec.h.
11319 Declare vectors of int, char, and locstr.
11320 (locstr): New typedef.
11321 (struct extraction): Make all array fields into bare pointers.
11322 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11323 (insn_code_number): Delete.
11324 (accum_extract): New struct.
11325 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11326 (gen_insn): Take insn_code_number as an argument. Use an
11327 accum_extract structure instead of loading data directly into
11328 a struct extraction, and having to know how big it might get.
11329 (walk_rtx): Operate entirely on an accum_extract structure.
11330 (print_path): Avoid unnecessary use of printf.
11331 (print_header): New function, split out of main. Distinguish
11332 more carefully between an unrecognizable insn and an insn that
11333 has the code number of a define_expand.
11334 (main): Pass insn_code_number to gen_insn. Call print_header
11335 only after parsing. Avoid unnecessary use of printf.
11336 * Makefile.in (build/vec.o): New rule.
11337 (build/genextract): Depend on build/vec.o.
11338 (build/genextract.o): Don't depend on insn-config.h.
11340 2006-01-22 Zack Weinberg <zackw@panix.com>
11342 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11343 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11344 practical. Eliminate per-generator-program link rules.
11346 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11348 PR middle-end/24437
11349 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11350 with a call expr to ...
11351 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11353 2006-01-23 Richard Guenther <rguenther@suse.de>
11355 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11356 before make_edge with conditional EDGE_TRUE_VALUE.
11358 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11359 Jan Hubicka <jh@suse.cz>
11360 Richard Guenther <rguenther@suse.de>
11362 PR rtl-optimization/25654
11363 * cfgexpand.c (aggregate_contains_union_type): New function.
11364 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11365 for structure variables that contain a union type.
11367 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11369 * gengtype.c (new_structure): Return the structure.
11370 (create_option): Add an extra "next" argument.
11371 (create_field): New function.
11372 (adjust_field_rtx_def): Use create_option and create_field.
11373 Remove a now-unnecessary call to find_structure.
11374 (adjust_field_tree_def): Likewise.
11375 (note_yacc_type): Remove an unnecessary call to find_structure.
11376 * gengtype.h (new_structure): Return the structure.
11377 (create_option): Add an extra argument.
11378 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11379 (option): Adjust calls to create_option.
11381 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11383 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11385 2006-01-22 Paul Brook <paul@codesourcery.com>
11386 Peter Barada <peter@the-baradas.com>
11388 * config/m68k/m68k.md: Add Coldfire FPU support.
11389 Define FP mode macro and associated attributes.
11390 Use it for float mode patterns.
11391 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11392 (LIBCALL_VALUE): Use m68k_libcall_value.
11393 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11394 (m68k_function_value): Ditto.
11395 (emit_move_sequence): Ditto.
11396 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11397 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11398 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11399 (MULTILIB_EXCEPTIONS): Ditto.
11400 * config/m68k/m68k.opt: Add mcfv4e.
11401 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11402 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11403 (m68k_output_function_prologue): Save ColdFire FPU registers.
11404 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11405 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11406 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11407 ColdFire FPU registers.
11408 (m68k_libcall_value, m68k_function_value): New functions.
11409 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11410 (LIBCALL_VALUE): Use m68k_libcall_value.
11411 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11412 (MASK_COLDFIRE): Add MASK_CFV4E.
11413 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11414 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11415 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11416 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11417 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11418 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11419 * doc/invoke.tex: Document -mcfv4e on m68k.
11421 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11423 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11426 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11429 * c-opts.c (c_common_handle_option): Don't include
11430 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11431 * doc/invoke.texi (C++ Dialect Options): Document that
11432 -Wnon-virtual-dtor is no longer included in -Wall.
11434 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11436 * gcov.c (print_version), gcov-dump.c (print_version),
11437 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11440 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11442 * df-scan.c (problem_SCAN): Added NULL reset function.
11443 (df_scan_reset_blocks): Added code to call reset block function
11444 (df_bb_refs_delete) Fixed comment.
11445 (df_insn_refs_delete): Made tolerant of deleting non existent info
11446 for dataflow problems that need to be reset.
11447 * df-core.c (df_set_blocks): Ditto.
11448 * df.h (struct df_problem): Added reset_fun.
11449 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11450 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11451 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11452 functions to clear out all references to def-use or use-def chains.
11454 2006-01-21 Ben Elliston <bje@au.ibm.com>
11456 * varasm.c (assemble_real): Initialise data array.
11458 2006-01-20 Paul Brook <paul@codesourcery.com>
11460 Merge from csl-arm-branch.
11461 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11462 * config/arm/arm.md (movdi): Force operands[1] to a register
11463 if we have a non-register source.
11464 (*arm_movdi, *movdf_soft_insn): Require that one of the
11465 operands be a register.
11466 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11467 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11469 2006-01-20 DJ Delorie <dj@redhat.com>
11471 * varasm.c (initializer_constant_valid_p): Allow pointers
11472 initialized from integer constants of lesser precision.
11473 (output_constant): Allow non-int-sized pointer modes to be
11474 initialized from integer constants.
11476 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11479 * cppdefault.h (struct default_include): Add multilib flag.
11480 * cppdefault.c (cpp_include_defaults): Set it.
11481 * c.opt (-imultilib): New option.
11482 * c-opts.c (imultilib): New.
11483 (c_common_handle_option): Handle -imultilib.
11484 (c_common_post_options): Likewise.
11485 * c-incpath.c (add_standard_paths, register_include_chains):
11487 * c-incpath.h (register_include_chains): Add extra parameter.
11488 * gcc.c (do_spec_1): Generate -imultilib option.
11489 (The Specs Language): Update %I description.
11490 (process_command): Update copyright notice.
11491 * doc/cppopts.texi (-imultilib): Document.
11492 * doc/invoke.texi (-imultilib): Include in option summary.
11493 (%I): Update specs documentation.
11495 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11497 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11499 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11501 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11504 2006-01-20 Richard Guenther <rguenther@suse.de>
11505 Steven Bosscher <stevenb.gcc@gmail.com>
11507 PR rtl-optimization/24626
11508 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11509 EDGE_TRUE_VALUE if in RTL mode.
11512 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11513 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11515 2006-01-20 Dirk Mueller <dmueller@suse.com>
11518 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11519 instead of a special NOP marker.
11520 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11521 NOP marker handling.
11522 * c-common.h (empty_body_warning): Add forward declaration.
11523 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11524 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11526 2006-01-20 Paul Brook <paul@codesourcery.com>
11528 * Makefile.in (lang_checks): Keep going if mkdir fails.
11530 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11532 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11533 be able to clean out basic block when not necessary.
11534 (df_scan_free): Fixed to properly delete information if df is
11535 unused before calling df_finish.
11536 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11537 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11539 (df_bb_refs_delete): New function.
11540 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11541 * df-core.c (df_set_blocks): Added code to properly clean out
11542 unused blocks if they are not part of the blocks to consider.
11543 Added additional null check.
11544 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11545 be able to clean out basic block when not necessary
11546 * df.h (df_free_bb_function): Ditto.
11547 (df_bb_refs_delete): New function.
11548 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11549 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11550 basic block parameter to be able to clean out basic block when not
11552 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11553 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11554 Fixed to properly delete information if df is unused before
11557 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11559 PR rtl-optimization/25799
11560 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11561 Corrected confluence operator to remove bits from op2 before oring
11562 with op1 rather than removing bits from op1.
11563 (df_ru_transfer_function): Corrected test on wrong bitmap which
11564 caused infinite loop. Both of these problems were introduced in
11565 the dataflow rewrite.
11567 2006-01-19 DJ Delorie <dj@redhat.com>
11569 * reload1.c (find_reload_regs): Note the details of reload
11570 failures in the dump file.
11571 (spill_failure): Likewise.
11573 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11575 * loop-iv.c: Include df.h and hashtab.h.
11576 (enum iv_grd_result): New enum.
11577 (DF_REF_IV, DF_REF_IV_SET): New macros.
11578 (struct biv_entry): New.
11579 (df, bivs): New global variables.
11580 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11581 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11583 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11584 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11585 analyzed_for_bivness_p, record_biv): New functions.
11586 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11587 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11588 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11590 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11592 (iv_number_of_iterations): Use new interface to iv analysis.
11593 * loop-unroll.c: Do not include varray.h.
11594 (analyze_iv_to_split_insn): Use new interface to iv
11596 * loop-unswitch.c (may_unswitch_on): Ditto.
11597 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11599 (df_bb_modify): Realloc tables to the new index.
11600 (df_find_use): New function.
11601 * df.h (df_find_use): Declare.
11602 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11604 * cfgloop.h (struct rtx_iv): Remove analysed field.
11605 (iv_get_reaching_def): Removed.
11606 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11607 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11608 (loop-iv.o): Add df.h and hashtab.h dependency.
11609 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11611 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11614 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11616 (__floatundisf, __floatundidf): Likewise.
11617 * libgcc2.h (IS_IBM_EXTENDED): Define.
11619 2006-01-19 DJ Delorie <dj@redhat.com>
11621 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11623 2006-01-19 Paul Brook <paul@codesourcery.com>
11625 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11626 as nothrow when unwinding tables are disabled.
11628 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11631 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11632 of bit-field" when in system header.
11634 2006-01-19 DJ Delorie <dj@redhat.com>
11636 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11637 the 16 bit shift limit of the m16c.
11639 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11642 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11643 * config/i386/i386.c (output_set_got): Output the label if we have one
11644 for the TARGET_DEEP_BRANCH_PREDICTION case.
11646 2006-01-19 Jan Hubicka <jh@suse.cz>
11647 H.J. Lu <hongjiu.lu@intel.com>
11648 Evandro Menezes <evandro.menezes@amd.com>
11650 * invoke.texi (generic): Document
11652 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11653 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11654 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11655 (x86_use_incdec, x86_pad_returns): New variables
11656 (TARGET_CPU_DEFAULT_generic): New constant
11657 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11658 (enum processor_type): Add generic32 and generic64.
11659 * i386.md (cpu attribute): Add generic32/generic64
11660 (movhi splitter): Behave sanely when both partial_reg_dependency and
11661 partial_reg_stall are set.
11662 (K8 splitters): Enable for generic as well.
11663 * predicates.md (incdec_operand): Use TARGET_INCDEC
11664 (aligned_operand): Avoid memory mismatch stalls.
11665 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11666 * ppro.md: Enable for generic32
11667 * i386.c (generic64_cost, generic32_cost): New.
11668 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11669 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11670 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11671 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11672 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11673 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11674 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11675 x86_accumulate_outgoing_args, x86_prologue_using_move,
11676 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11677 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11678 Enable for generic.
11679 (x86_use_incdec, x86_pad_returns): New.
11680 (override_options): Add generic32 and generic64, translate "generic"
11681 to generic32/generic64 and "i686" to "generic32", refuse
11682 "generic32"/"generic64" as arch target.
11683 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11684 (ix86_reorg): Honor PAD_RETURNS.
11686 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11688 * tree-pretty-print.c (dump_generic_node): Handle
11689 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11690 * cgraph.c (cgraph_expand_queue): Rename from
11691 cgraph_analyze_queue. Update all users.
11692 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11693 cgraph_expand_queue.
11694 (cgraph_expand_all_functions): Likewise.
11695 (cgraph_finalize_pending_functions): Remove. Update callers.
11697 * tree.h (OMP_DIRECTIVE_P): Define.
11698 (OMP_PARALLEL_FN): Define.
11699 (OMP_PARALLEL_DATA_ARG): Define.
11700 (OMP_SECTIONS_SECTIONS): Define.
11701 * tree-pass.h (pass_expand_omp): Declare.
11702 * omp-low.c (struct omp_region): Declare.
11703 (struct omp_context): Remove fields 'parallel_type',
11704 'parallel_start_ix' and 'parallel_start_additional_args'.
11706 (struct omp_for_data): Rename from struct expand_omp_for_data.
11707 (omp_regions): New static variable.
11708 (root_omp_region): New static variable.
11709 (find_omp_clause): Make static.
11710 (is_in_combined_parallel_ctx): Remove.
11711 (is_combined_parallel): New.
11712 (extract_omp_for_data): Move earlier in the file.
11713 (workshare_safe_to_combine_p): New.
11714 (get_ws_args_for): New.
11715 (determine_parallel_type): Move earlier in the file.
11716 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11718 (omp_copy_decl): Likewise.
11719 (create_omp_child_function): Likewise.
11720 (lookup_omp_region): New.
11721 (dump_omp_region): New.
11722 (debug_omp_region): New.
11723 (debug_all_omp_regions): New.
11724 (new_omp_region): New.
11725 (scan_omp_parallel): If parallel_nesting_level > 1, the
11726 directive is nested within another parallel directive.
11727 Set OMP_PARALLEL_FN.
11728 (scan_omp_for): Do not try to handle combined parallel+for
11730 Remove FIXME comment.
11731 (scan_omp_nested): Remove.
11732 (scan_omp_1): Do not call scan_omp_nested when
11733 parallel_nesting_level is > 1.
11734 Do not change the DECL_CONTEXT of local variables found.
11735 (lookup_decl_in_outer_ctx): New.
11736 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11737 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11738 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11739 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11740 If CTX is nested, lookup VAR in the outer context when
11741 building copy assignment.
11742 (lower_send_clauses): Rename from expand_send_clauses.
11743 If CTX is nested, lookup VAR in the outer context when
11744 building copy assignments.
11745 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11746 If CTX is nested, lookup VAR in the outer context when
11747 building copy assignments.
11748 (expand_parallel_call): Rename from build_parallel_call.
11749 Handle combined parallel+workshare cases.
11750 Re-implement to emit code into the CFG.
11752 (expand_omp_parallel): Re-implement to emit code into the CFG.
11753 Call move_sese_region_to_fn to outline the sub-graph
11754 containing the parallel region.
11755 (expand_omp_for_1): Remove.
11756 (expand_omp_for_generic): Re-implement to emit code into the
11758 (expand_omp_for_static_nochunk): Likewise.
11759 (expand_omp_for_static_chunk): Likewise.
11760 (expand_omp_for): Likewise.
11761 (expand_omp_sections): Likewise.
11762 (remove_exit_barriers): New.
11763 (expand_omp_synch): New.
11765 (build_omp_regions_1): New.
11766 (build_omp_regions): New.
11767 (execute_expand_omp): New.
11768 (gate_expand_omp): New.
11769 (pass_expand_omp): Define.
11770 (lower_omp_sections): Rename from expand_omp_sections.
11771 Set OMP_SECTIONS_SECTIONS.
11772 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11773 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11774 (lower_omp_single): Rename from expand_omp_simple.
11775 (lower_omp_master): Rename from expand_omp_master.
11776 (lower_omp_ordered): Rename from expand_omp_ordered.
11777 (lower_omp_critical): Rename from expand_omp_critical.
11778 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11779 (lower_omp_for): Re-implement.
11780 (lower_omp_parallel): Re-implement.
11781 (lower_regimplify): Rename from expand_regimplify.
11782 (lower_omp_1): Rename from expand_omp_1.
11783 If there are syntax errors in the program, replace every
11784 OpenMP directive with NOP.
11785 Call lower_omp_* instead of expand_omp_*.
11786 (lower_omp): Rename from expand_omp.
11788 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11789 * tree-gimple.h (enum omp_parallel_type): Remove.
11790 (gimple_boolify): Declare extern.
11791 (find_omp_clause, determine_parallel_type): Remove.
11793 * gimple-low.c (lower_omp_directive): New.
11794 (lower_stmt): Call it.
11795 (record_vars_into): Move from ...
11796 (record_vars): ... here.
11797 Call record_vars_into with current_function_decl.
11799 * gimplify.c (struct gimplify_ctx): Remove fields
11800 combined_pre_p and combined_ctxp. Update users.
11801 (get_formal_tmp_var): Add documentation.
11802 (gimple_boolify): Make extern.
11803 (gimplify_expr_in_ctx): Remove. Update callers.
11804 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11805 will always be a BIND_EXPR.
11806 (gimplify_expr): Handle OMP_RETURN_EXPR.
11807 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11808 (OMP_PARALLEL): Add 3 operands.
11809 (OMP_SECTIONS): Add 1 operand.
11810 (OMP_RETURN_EXPR): Define.
11812 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11813 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11814 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11815 creating a circular free list.
11816 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11818 * tree-flow.h (move_sese_region_to_fn): Declare.
11819 (record_vars_into): Declare.
11820 * tree-cfg.c (make_omp_sections_edges): New.
11821 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11822 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11823 OMP_SECTIONS and OMP_SECTION.
11824 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11825 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11826 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11827 (gather_blocks_in_sese_region): New.
11828 (struct move_stmt_d): Declare.
11829 (move_stmt_r): New.
11830 (move_block_to_fn): New.
11831 (move_sese_region_to_fn): New.
11833 * passes.c (init_optimization_passes): Schedule
11834 pass_expand_omp after pass_init_datastructures.
11836 * tree-ssa-operands.c (get_expr_operands): Handle
11837 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11838 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11840 2006-01-19 Jeff Law <law@redhat.com>
11842 * tree-vrp.c (extract_range_from_assert): Refine the result range
11843 if the variable referenced by the ASSERT_EXPR has a range and
11844 either the tentative result range or the previous range is a
11847 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11849 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11851 2006-01-19 Jan Hubicka <jh@suse.cz>
11853 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11855 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11857 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11858 (expand_compound_operation, expand_field_assignment): Fail if the
11859 bit lengths of an extract operation are out of range.
11860 (make_extraction): Compute wanted_inner_mode based on the position
11861 and length of the extraction. Make it extraction_mode for non-constant
11862 positions, and do not modify offset in that case. When generating a
11863 new MEM, use a mode that can hold the extraction while keeping correct
11864 alignment. Remove code that supported MEMs wrapped by USEs.
11865 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11867 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11869 * config/s390/s390.md ("Y", "y"): New mode attribute.
11870 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11871 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11872 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11873 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11874 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11875 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11876 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11877 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11878 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11879 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11880 "addsi3", "subsi3"): Insn patterns removed.
11881 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11882 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11883 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11884 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11885 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11886 "*sub<mode>3_cconly2"): New insn patterns.
11887 ("addsi3", "subsi3"): New expanders.
11889 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11891 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11892 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11893 existing STMT_VINFO_VECTYPE if available.
11894 (vect_mark_relevant): Add special handling for stmts that are
11895 marked as STMT_VINFO_IN_PATTERN_P.
11896 (vect_analyze_loop): Call vect_pattern_recog.
11897 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11898 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11900 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11901 (vect_recog_func_ptr): New function-pointer type.
11902 * tree-vect-patterns.c: New file.
11903 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11904 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11905 (vect_pattern_recog_1): New functions.
11906 (vect_pattern_recog_funcs): New array of function pointers.
11908 * tree-vectorizer.h (ternary_op): New enum value.
11909 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11910 declaration. Revised documentation. Removed redundant dump prints.
11911 Removed redundant argument. Added support for reduction patterns.
11912 (vectorizable_reduction): Added support for reduction patterns.
11913 (vect_transform_stmt): Added support for patterns.
11915 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11916 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11917 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11918 (expand_widen_pattern_expr): New function.
11919 (init_optabs): Initialize new optabs udot_prod_optab,
11921 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11922 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11923 (expand_widen_pattern_expr): New function declaration.
11924 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11926 * tree-inline.c (estimate_num_insns_1): Added cases for new
11927 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11928 * tree-pretty-print.c (dump_generic_node): Likewise.
11929 (op_prio): Likewise.
11930 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11931 * tree-ssa-operands.c (get_expr_operands): Added case for
11933 * tree-vect-patterns.c (widened_name_p): New function.
11934 (vect_recog_dot_prod_pattern): Added function implementation.
11935 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11936 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11937 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11938 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11940 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11941 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11942 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11943 (init_optabs): Initialize new optabs widen_ssum_optab,
11945 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11946 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11947 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11948 use instead of type of def.
11949 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11950 function implementation.
11951 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11952 widen_ssumv8hi): New.
11954 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11957 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11960 * c-decl.c (add_flexible_array_elts_to_size): New function.
11961 (finish_decl): Use it.
11963 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11965 * diagnostic.h: Include options.h.
11966 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11967 dependancies for diagnostic.h.
11968 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11970 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11972 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11973 (ssa_ro_call_cache_valid): Ditto.
11974 * tree-ssa-alias.c (sort_tags_by_id): New function.
11975 (init_transitive_clobber_worklist): Ditto.
11976 (add_to_worklist): Ditto.
11977 (mark_aliases_call_clobbered): Ditto.
11978 (compute_tag_properties): Ditto.
11979 (set_initial_properties): Ditto.
11980 (compute_call_clobbered): Ditto.
11981 (compute_may_aliases): Call compute_call_clobbered and grouping.
11982 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11983 (compute_flow_insensitive_aliasing): Grouping now happens in our
11985 (setup_pointers_and_addressables): Remove clobbering related code.
11986 (add_may_alias): Ditto.
11987 (replace_may_alias): Ditto.
11988 (get_nmt_for): Ditto.
11989 (create_global_var):
11990 (is_escape_site): Return an escape_type enumeration.
11991 * tree-flow-inline.h (is_call_clobbered): Global var does not
11992 imply call clobbered.
11993 (mark_call_clobbered): Take a reason for marking this. Remove
11994 marking of globalness, and cache invalidation.
11995 (clear_call_clobbered): Remove cache invalidation code.
11996 * tree-dfa.c (dump_variable): If details is on, dump the reason
11998 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12000 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12001 (struct var_ann_d): Ditto.
12002 (enum escape_type): New.
12003 (mark_call_clobbered): Adjust prototype.
12004 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12005 are never call clobbered.
12006 Record reasons for escaping.
12007 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12008 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12009 (ssa_ro_call_cache_valid): Ditto.
12010 (clobbered_v_may_defs): Ditto.
12011 (clobbered_vuses): Ditto.
12012 (ro_call_vuses): Ditto.
12013 (clobber_stats): New.
12014 (init_ssa_operands): Zero out clobber stats.
12015 (fini_ssa_operands): Print out clobber stats.
12016 (get_call_expr_operands): Pass callee fndecl to
12017 add_call_read_ops).
12018 (add_call_clobber_ops): Remove use of cache.
12019 Add use of PURE_CONST information.
12020 (add_call_read_ops): Remove use of cache.
12021 Add use of static not_read information.
12023 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12025 Introduce TLS descriptors for i386 and x86_64.
12026 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12027 (TARGET_ANY_GNU_TLS): New macro.
12028 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12029 (struct machine_function): Add tls_descriptor_call_expanded_p.
12030 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12031 (ix86_current_function_calls_tls_descriptor): Likewise.
12032 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12033 (override_options): Introduce gnu2 tls dialect.
12034 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12036 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12038 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12039 (ix86_init_machine_status): Initialize new field.
12040 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12041 (ix86_tls_module_base): New.
12042 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12043 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12044 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12045 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12046 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12047 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12048 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12049 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12050 * config/i386/predicates.md (tls_modbase_operand): New.
12051 (tp_or_register_operand): New.
12053 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12055 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12056 (look_for_address_of): Ditto.
12057 (ipa_init): Walk the function decls.
12058 (static_execute): Don't set readonly on FUNCTION_DECL's.
12060 2006-01-18 Roger Sayle <roger@eyesopen.com>
12062 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12063 for shifts where the source and destination registers are different.
12065 2006-01-18 Paul Brook <paul@codesourcery.com>
12067 Merge from csl-arm-branch.
12068 2005-03-14 Julian Brown <julian@codesourcery.com>
12069 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12070 (aeabi_llsl): Likewise.
12071 (ashrdi3): Likewise.
12072 (aeabi_lasr): Likewise.
12073 (lshrdi3): Likewise.
12074 (aeabi_llsr): Likewise.
12075 2005-03-10 Julian Brown <julian@codesourcery.com>
12076 * config.gcc: Disable shared libgcc for SymbianOS.
12077 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12079 2006-01-18 DJ Delorie <dj@redhat.com>
12081 * c-pragma.c (handle_pragma_diagnostic): New.
12082 (init_pragma): Register it.
12083 * doc/extend.texi: Document it.
12085 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12086 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12087 (diagnostic_context): Add classify_diagnostic[].
12088 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12089 as errors if they're overridden to DK_WARNING.
12090 (diagnostic_initialize): Initialize classify_diagnostic[].
12091 (diagnostic_set_kind_override): New.
12092 (diagnostic_report_diagnostic): Check for kind changes.
12093 * opts.c (common_handle_option): Take lang_mask. Update callers.
12094 Handle OPT_Werror_.
12095 * common.opt (Werror=): New.
12096 * doc/invoke.texi: Document -Werror=*
12098 2006-01-18 Jeff Law <law@redhat.com>
12100 * tree-vrp.c (test_for_singularity): Correct test for new
12101 min limit. Use operand_equal_p rather than pointer equality
12102 for testing if new min/max values are equal.
12104 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12105 using range information until after propagation and folding.
12107 2006-01-18 Richard Henderson <rth@redhat.com>
12108 Aldy Hernandez <aldyh@redhat.com>
12109 Jakub Jelinek <jakub@redhat.com>
12110 Diego Novillo <dnovillo@redhat.com>
12112 * omp-low.c: New file.
12113 * c-omp.c: New file.
12115 2006-01-18 Richard Henderson <rth@redhat.com>
12116 Jakub Jelinek <jakub@redhat.com>
12117 Diego Novillo <dnovillo@redhat.com>
12119 * doc/invoke.texi: Document -fopenmp.
12120 * tree-dump.h (debug_function): Declare.
12121 * hooks.c (hook_bool_tree_bool_false): New function.
12122 (hook_tree_tree_null): Remove.
12123 (hook_tree_tree_tree_null): New.
12124 * hooks.h: Update to match.
12125 * tree-pretty-print.c (debug_tree_chain): New.
12126 (print_generic_expr): Handle TDF_CHAIN.
12127 (dump_generic_node): Handle BLOCK.
12128 Do not abort with incomplete SWITCH_EXPRs.
12129 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12130 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12131 print space after directive name.
12132 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12133 Handle OMP_MASTER and OMP_ORDERED.
12134 Handle printing of OMP_BODY just in one place, goto
12135 dump_omp_body in the rest of OMP_* nodes that have
12137 Don't handle clause nodes here. Update omp statements to
12138 use dump_omp_clauses.
12139 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12140 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12141 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12142 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12143 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12144 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12145 Adjust output for GOMP_PARALLEL.
12146 (dump_omp_clauses): New.
12147 (print_declaration): Dump DECL_VALUE_EXPR.
12148 (op_symbol_1): Split out of op_symbol.
12149 (dumping_stmts): Remove. Update all users.
12150 * cgraph.c (cgraph_analyze_queue): New.
12151 (cgraph_add_new_function): New.
12152 * cgraph.h (cgraph_analyze_queue): Declare.
12153 (cgraph_add_new_function): Declare.
12154 (cgraph_lower_function): Remove.
12155 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12156 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12157 and TYPE_P nodes in its default clause.
12158 (empty_body_p): New.
12159 (tree_range_check_failed): New.
12160 (build5_stat): New.
12161 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12162 OMP_CLAUSE_REDUCTION_MERGE,
12163 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12164 OMP_CLAUSE_PRIVATE_DEBUG,
12165 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12166 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12167 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12168 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12169 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12170 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12171 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12172 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12173 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12174 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12175 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12176 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12177 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12178 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12179 (TREE_RANGE_CHECK): New.
12180 (empty_body_p): Declare.
12181 (enum omp_clause_default_kind): New.
12182 (build_string_literal): Declare.
12183 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12184 (build5_stat, build5): Declare.
12185 * tree-pass.h (TDF_CHAIN): Define.
12186 * tree-pass.h (PROP_gimple_lomp): Define.
12187 (pass_lower_omp): Declare.
12188 * diagnostic.h (debug_tree_chain): Declare.
12189 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12191 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12192 * builtins.c (build_string_literal): Make extern.
12193 * gcc.c (include_spec_function): New.
12194 (static_spec_functions): Add it.
12195 (main): Move load of libgomp.spec ...
12196 (LINK_COMMAND_SPEC): ... here.
12197 (link_gomp_spec): New.
12198 (static_specs): Include it.
12199 (LINK_COMMAND_SPEC): Add link_gomp.
12200 (GOMP_SELF_SPECS): New.
12201 (driver_self_specs): Include it.
12202 (switch_matches): Don't mark inline.
12203 (main): Load libgomp.spec.
12204 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12205 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12206 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12207 * tree-gimple.h (enum omp_parallel): Declare.
12208 (determine_parallel_type): Declare.
12209 (omp_firstprivatize_variable): Declare.
12210 (omp_reduction_init): Declare.
12211 (diagnose_omp_structured_block_errors): Declare.
12212 (struct walk_stmt_info): Add want_return_expr.
12213 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12214 (find_omp_clause): Declare.
12215 (insert_field_into_struct): Declare.
12216 (struct walk_stmt_info): Move from tree-nested.c
12217 (walk_stmts): Declare.
12218 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12220 * cgraphunit.c (cgraph_lower_function): Make static.
12221 (cgraph_finalize_pending_functions): New.
12222 (cgraph_finalize_function): Call it.
12223 (cgraph_finalize_compilation_unit): Likewise.
12224 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12225 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12226 (BT_FN_UINT_UINT): New.
12227 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12228 DEF_FUNCTION_TYPE_VAR_4): Document.
12229 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12230 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12231 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12232 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12233 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12234 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12235 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12236 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12237 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12238 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12239 into separate files.
12240 (DEF_GOMP_BUILTIN): New.
12241 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12242 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12243 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12244 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12245 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12246 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12247 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12248 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12249 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12250 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12251 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12252 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12253 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12254 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12255 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12256 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12257 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12258 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12259 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12260 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12261 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12262 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12263 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12264 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12265 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12266 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12267 * sync-builtins.def: New file, moved from builtins.def.
12268 * omp-builtins.def: New file, moved from builtins.def.
12269 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12270 * gimple-low.c (lower_function_body): Clear data.
12271 (lower_stmt): Do not handle COMPOUND_EXPR.
12272 Remove call to print_node_brief.
12273 * c-tree.h (c_finish_omp_clauses): New prototype.
12274 (C_DECL_THREADPRIVATE_P): Define.
12275 (lookup_name_no_remap, c_omp_remap_private): Remove
12276 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12277 (check_for_loop_decls): Update decl.
12278 (lookup_name_no_remap, c_omp_remap_private): Declare.
12279 (build_indirect_ref, build_modify_expr, pushdecl,
12280 pushdecl_top_level): Move to c-common.h.
12281 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12282 before the switch, but just in the 2 places that need it.
12283 * c-decl.c (diagnose_mismatched_decls): Do not check for
12284 mismatched thread-local attributes when OLDDECL is marked
12285 threadprivate and NEWDECL has no thread-local attributes.
12286 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12287 (c_gimple_diagnostics_recursively): Rename from
12288 c_warn_unused_result_recursively. Invoke
12289 diagnose_omp_structured_block_errors.
12290 (check_for_loop_decls): Return a singular decl found.
12291 * langhooks.c (lhd_omp_predetermined_sharing): Return
12292 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12293 (lhd_omp_firstprivatize_type_sizes): New.
12294 (lhd_omp_assignment): New.
12295 (lhd_omp_predetermined_sharing): New.
12296 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12297 (struct lang_hooks_for_types): Add
12298 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12299 omp_predetermined_sharing, omp_disregard_value_expr,
12300 omp_private_debug_clause, omp_clause_default_ctor,
12301 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12302 (c_finish_omp_clauses): New.
12303 (c_finish_bc_stmt): Diagnose break within omp for.
12304 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12305 (build_unary_op): Return error_mark after reporting
12307 (build_modify_expr): Likewise.
12308 * gimplify.c: Include optabs.h and pointer-set.h.
12309 (enum gimplify_omp_var_data): Declare.
12310 (struct gimplify_omp_ctx): Declare.
12311 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12313 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12314 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12315 (splay_tree_compare_decl_uid): New.
12316 (new_omp_context): New.
12317 (delete_omp_context): New.
12318 (gimple_add_tmp_var): Call omp_add_variable.
12319 (gimplify_bind_expr): Likewise.
12320 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12321 true, disregard DECL_VALUE_EXPR on the decl if any.
12322 (gimplify_expr_in_ctx): New.
12323 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12324 omp_add_variable, omp_notice_variable, omp_is_private
12325 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12326 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12327 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12328 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12329 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12330 gimplify_omp_atomic): New.
12331 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12332 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12333 OMP_CRITICAL and OMP_ATOMIC.
12334 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12335 * c-pragma.h (enum pragma_kind): Add
12336 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12337 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12338 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12339 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12340 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12341 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12342 PRAGMA_OMP_THREADPRIVATE.
12343 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12344 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12345 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12346 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12347 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12348 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12349 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12350 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12351 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12352 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12353 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12354 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12355 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12357 (struct nesting_info): Add field_map,
12358 suppress_expansion, debug_var_chain.
12359 (create_nesting_tree): Initialize them.
12360 (lookup_field_for_decl): Use field_map.
12361 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12362 (convert_local_omp_clauses): New.
12363 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12364 (walk_body): Split out of walk_function.
12365 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12366 (convert_nonlocal_reference): Handle omp statements.
12367 (convert_local_reference): Likewise.
12368 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12369 (unnest_nesting_tree): New.
12370 (lower_nested_functions): Call it.
12371 (insert_field_into_struct): Make extern.
12372 (struct walk_stmt_info): Move to tree-gimple.h.
12373 (walk_stmts): Make extern.
12374 * omp-builtins.def: New file.
12375 * tree-iterator.c (expr_only): Clarify comment.
12376 * c-common.h (pushdecl_top_level, pushdecl,
12377 build_modify_expr, build_indirect_ref,
12378 c_finish_omp_master, c_finish_omp_critical,
12379 c_finish_omp_ordered, c_finish_omp_barrier,
12380 c_finish_omp_atomic, c_finish_omp_flush,
12381 c_finish_omp_for, c_split_parallel_clauses,
12382 omp_clause_default_kind, c_omp_sharing_predetermined,
12383 c_omp_remap_decl): Declare.
12384 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12385 (OBJS-common): Add omp-low.o.
12386 (c-omp.o, omp-low.o): Add.
12387 (gimplify.o): Add dependency on $(OPTABS_H).
12388 (GTFILES): Add omp-low.c.
12389 (gt-stringpool.h): Add.
12390 * tree-cfg.c (set_bb_for_stmt): Do not update the
12391 block-to-labels map if we are currently expanding to RTL.
12392 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12394 Handle IDENTIFIER_NODE.
12395 (tree_verify_flow_info): Do not ICE when emitting error
12396 messages about invalid labels.
12397 (dump_function_to_file): Reset CFUN before emitting the body
12399 (debug_function): New.
12400 * passes.c (init_optimization_passes): Schedule
12402 * langhooks-def.h (lhd_omp_predetermined_sharing,
12403 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12405 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12406 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12407 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12408 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12409 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12410 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12411 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12412 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12413 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12414 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12415 (LANG_HOOK_DECLS): Use them.
12417 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12418 Richard Henderson <rth@redhat.com>
12419 Jakub Jelinek <jakub@redhat.com>
12420 Diego Novillo <dnovillo@redhat.com>
12422 * c-parser.c (pragma_omp_clause): Define.
12423 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12424 (c_parser_compound_statement): Likewise.
12425 (c_parser_statement): Likewise.
12426 (c_parser_pragma): Handle omp pragmas.
12427 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12428 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12429 (c_parser_omp_clause_name, check_no_duplicate_clause,
12430 c_parser_omp_variable_list,
12431 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12432 c_parser_omp_clause_copyprivate,
12433 c_parser_omp_clause_default,
12434 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12435 c_parser_omp_clause_lastprivate,
12436 c_parser_omp_clause_nowait,
12437 c_parser_omp_clause_num_threads,
12438 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12439 c_parser_omp_clause_reduction,
12440 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12441 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12442 c_parser_omp_atomic, c_parser_omp_barrier,
12443 c_parser_omp_critical, c_parser_omp_flush,
12444 c_parser_omp_for_loop, c_parser_omp_for,
12445 c_parser_omp_master, c_parser_omp_ordered,
12446 c_parser_omp_sections_scope, c_parser_omp_sections,
12447 c_parser_omp_parallel, c_parser_omp_single,
12448 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12449 * c-pragma.c (init_pragma): Do omp pragma registration here.
12450 * c.opt (fopenmp): New flag.
12452 2006-01-18 Eric Christopher <echristo@apple.com>
12454 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12455 * config/darwin.h (GOMP_SELF_SPECS): Define.
12457 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12459 * rtl.h: Remove the prototype for reg_alloc.
12461 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12464 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12465 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12466 sjlj and dwarf2 exception handling.
12467 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12468 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12469 * pa/pa.c (function_value): Treat complex and vector types as
12471 (function_arg): Likewise. Only pass scalar floats in the floating
12472 point argument registers.
12473 * pa/t-slibgcc-dwarf-ver: New file.
12474 * pa/t-slibgcc-sjlj-ver: New file.
12475 * pa/t-slibgcc-elf-ver: Delete file.
12477 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12479 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12480 unlikely_test_section_p test.
12482 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12484 * mode-switching.c (optimize_mode_switching): Make it static.
12485 * basic-block.h: Remove the prototype for
12486 optimize_mode_switching.
12488 * modulo-sched.c (sms_schedule): Make it static.
12489 * rtl.h: Remove the prototype for sms_schedule.
12491 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12492 * rtl.h: Remove the prototype for gcse_after_reload_main.
12494 * reg-stack.c (reg_to_stack): Make it static.
12495 * rtl.h: Remove the prototype for reg_to_stack.
12497 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12499 * rtl.h: Remove the prototypes for regrename_optimize and
12500 copyprop_hardreg_forward.
12502 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12504 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12505 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12506 Test against the appropriate null constant for the mode.
12507 If 'fixup_overlap' is true, swap the operands if they overlap.
12508 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12509 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12510 alpha_split_tmode_pair and adjust for above change.
12511 * config/alpha/alpha.md (movtf_internal): Adjust call to
12512 alpha_split_tfmode_pair and rely on it to swap the operands.
12513 (movti_internal): New insn and post-reload splitter.
12514 (movti): New expander.
12516 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12518 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12521 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12523 * rtlanal.c (global_reg_mentioned_p_1,
12524 global_reg_mentioned_p): Remove.
12525 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12527 * flow.c (initialize_uninitialized_subregs): Make it static.
12528 * rtl.h: Remove the prototype for
12529 initialize_uninitialized_subregs.
12531 * function.c (instantiate_virtual_regs): Make it static.
12532 * function.h: Remove the prototype for
12533 instantiate_virtual_regs.
12535 * regmove.c (regmove_optimize, combine_stack_adjustments):
12537 * rtl.h: Remove the prototypes for regmove_optimize and
12538 combine_stack_adjustments.
12540 2006-01-17 Roger Sayle <roger@eyesopen.com>
12542 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12543 (size_cost): Encode costs in bytes so that a reg-reg addition is
12544 equivalent to COSTS_N_INSNS(1).
12545 (override_options): Use the size_cost.branch_cost as the default
12546 ix86_branch_cost when optimizing for size.
12548 2006-01-18 Ben Elliston <bje@au.ibm.com>
12550 * Makefile.in (D32PBIT_FUNCS): New.
12551 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12552 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12553 D64PBIT_FUNCS and D128PBIT_FUNCS.
12554 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12555 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12557 (decnumber_dep): Define.
12558 * doc/libgcc.texi (Decimal float library routines): New node.
12559 * config/dfp-bit.h, config/dfp-bit.c: New files.
12561 2006-01-18 Ben Elliston <bje@au.ibm.com>
12563 * expr.c (emit_move_change_mode): Always adjust addresses, not
12564 just during reload. Copy replacements only during reload.
12565 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12566 emit_move_via_integer.
12568 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12570 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12571 instead of $(srcdir) and ${srcdir}.
12573 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12576 PR middle-end/11135
12577 * arm.h (struct machine_function): Add pic_reg.
12578 * arm.c (arm_pic_register): Make unsigned.
12579 (arm_override_options): Only set arm_pic_register if
12580 TARGET_SINGLE_PIC_BASE.
12581 (use_return_insn): Only test for a pic register if it is fixed.
12582 (arm_compute_save_reg0_reg12_mask): Likewise.
12583 (thumb_compute_save_reg_mask): Likewise.
12584 (legitimate_pic_operand): Factor out some known invariants.
12585 (legitimize_pic_address): If we don't have a fixed pic register,
12586 then set up a pseudo in the function entry sequence. Handle the
12587 pic base being in a pseudo.
12588 (arm_load_pic_register): Handle the pic register being in a pseudo.
12589 (arm_expand_prologue): Only set up the pic register if it is fixed.
12590 (thumb_expand_prologue): Likewise.
12591 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12592 (pic_load_addr_based_insn): Likewise.
12593 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12596 2006-01-18 Ben Elliston <bje@au.ibm.com>
12598 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12599 decimal float modes for all floating point registers.
12601 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12602 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12604 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12607 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12608 even when the pointer is not NULL.
12610 2006-01-16 Ian Lance Taylor <ian@airs.com>
12612 * common.opt (ftoplevel-reorder): New option.
12613 * cgraph.c (cgraph_asm_nodes): New global variable.
12614 (cgraph_asm_last_node): New static variable.
12615 (cgraph_order): New global variable.
12616 (cgraph_create_node): Set new order field.
12617 (cgraph_varpool_node): Likewise.
12618 (decide_is_variable_needed): Return true if not
12619 flag_toplevel_reorder.
12620 (cgraph_add_asm_node): New function.
12621 * cgraph.h (struct cgraph_node): Add order field.
12622 (struct cgraph_varpool_node): Add order field.
12623 (struct cgraph_asm_node): Define.
12624 (cgraph_asm_nodes, cgraph_order): Declare.
12625 (cgraph_add_asm_node): Declare.
12626 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12628 (cgraph_varpool_assemble_pending_decls): Call it.
12629 (cgraph_output_pending_asms): New static function.
12630 (cgraph_finalize_compilation_unit): Call it.
12631 (struct cgraph_order_sort): Define.
12632 (cgraph_output_in_order): New static function.
12633 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12634 !flag_toplevel_reorder case.
12635 * c-parser.c: Include "cgraph.h".
12636 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12638 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12639 than -fno-unit-at-a-time.
12640 * doc/invoke.texi (Option Summary): Mention
12641 -fno-toplevel-reorder.
12642 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12643 -funit-at-a-time documentation.
12645 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12646 Kazu Hirata <kazu@codesourcery.com>
12648 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12650 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12652 * Makefile.in (FUNCTION_H): New. Use it instead of
12653 function.h throughout the file.
12654 * function.h: Include tree.h.
12656 2006-01-17 Ben Elliston <bje@au.ibm.com>
12658 * recog.c: Separate some functions with whitespace.
12660 2006-01-16 Richard Henderson <rth@redhat.com>
12662 Merge from gomp branch:
12663 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12664 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12665 and rename from struct inline_data. Rename callee* to dst*;
12666 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12667 transform_new_cfg, transform_return_to_modify, and
12668 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12670 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12671 (copy_decl_for_dup): Remove.
12672 * tree-inline.c (struct inline_data): Move to header.
12673 (insert_decl_map): Export.
12674 (remap_decl): Update for member name changes. Use copy_decl hook.
12675 Allow for replacement to be a non-decl. Remove dead code.
12676 (remap_type_1): Check for existing mapping.
12677 (remap_type): Export.
12678 (remap_decls): Update for member name changes.
12679 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12680 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12681 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12682 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12683 (tree_function_versioning, build_duplicate_type): Likewise.
12684 (copy_body_r): Likewise. Export.
12685 (copy_decl_for_dup): Split into ...
12686 (copy_decl_for_dup_finish, copy_decl_to_var,
12687 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12688 (replace_ref_tree, inlining_p): Remove.
12690 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12692 * ifcvt.c (if_convert): Make it static.
12693 * rtl.h: Remove the prototype for if_convert.
12695 * local-alloc.c (local_alloc): Make it static.
12696 * rtl.h: Remove the prototype for local_alloc.
12698 * loop.c (loop_optimize): Make it static.
12699 * cfgloop.h: Remove the prototype for loop_optimize.
12702 2006-01-16 DJ Delorie <dj@redhat.com>
12704 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12707 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12709 * pa.md: Disparage copies between general and floating-point registers
12710 in 32-bit move patterns.
12712 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12715 * Makefile.in (check-%): Depend on site.exp instead of
12716 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12719 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12721 * global.c (global_alloc): Make it static.
12722 * rtl.h: Remove the prototype for global_alloc.
12724 2006-01-16 Richard Guenther <rguenther@suse.de>
12726 * tree-ssa-alias.c (struct used_part): Add write_only field.
12727 (get_or_create_used_part_for): Initialize it to true.
12728 (create_overlap_variables_for): Don't create structure variables
12729 for structures that only are written to.
12730 (find_used_portions): Handle MODIFY_EXPR to track whether a
12731 structure is only written to.
12733 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12735 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12737 * basic-block.h: Remove the prototype for
12738 partition_hot_cold_basic_blocks.
12740 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12742 * cppspec.c (lang_specific_spec_functions): Remove.
12743 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12744 * gcc.h (lang_specific_spec_functions): Remove.
12745 * gccspec.c (lang_specific_spec_functions): Remove.
12747 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12749 * combine.c (record_value_for_reg): Invalidate registers
12751 (record_dead_and_set_regs_1): Likewise, by passing them to
12752 record_value_for_reg.
12753 (record_dead_and_set_regs): Invalidate stores made by a
12754 call. We do not combine across a call, but we still
12755 relied on equivalences.
12757 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12759 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12760 vrp_int_const_binop returning non-constant nodes.
12762 2006-01-16 Paul Brook <paul@codesourcery.com>
12764 * config/m68k/m68k.c (output_move_const_into_data_reg):
12765 Output correct mnemonic for mvz and mvs.
12767 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12769 * rtl-factoring.c: Add sequence abstraction algorithm.
12770 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12771 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12773 (block_has_preserve_label): New function.
12774 * common.opt: Register new pass.
12775 * Makefile.in: Ditto.
12777 * timevar.def: Ditto.
12778 * tree-pass.h: Ditto.
12779 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12780 * rtl.h (make_jump_insn_raw): Add forward decl.
12781 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12783 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12784 Roger Sayle <roger@eyesopen.com>
12786 * fold-const.c (fold_minmax): New static function.
12787 (fold_binary) <MIN_EXPR>: Call it.
12788 <MAX_EXPR>: Likewise.
12789 * stor-layout.c (place_field): Use DECL_SIZE consistently
12790 in the computation of the new record size.
12792 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12794 * cse.c (cse_condition_code_reg): Make it static.
12795 * rtl.h: Remove the prototype for cse_condition_code_reg.
12797 * combine.c (combine_instructions): Make it static.
12798 * rtl.h: Remove the prototype for combine_instructions.
12800 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12803 * tree.c (get_file_function_name_long): Concatenate the first global
12804 object name with a string derived from the input filename of the object
12807 2006-01-16 Ben Elliston <bje@au.ibm.com>
12809 * config/i386/winnt-stubs.c: Update FSF address.
12810 * config/xtensa/ieee754-df.S: Ditto.
12811 * config/xtensa/ieee754-sf.S: Ditto.
12813 2006-01-14 Ian Lance Taylor <ian@airs.com>
12815 * ifcvt.c (noce_init_if_info): New static function, broken out of
12816 noce_process_if_block.
12817 (noce_process_if_block): Call noce_init_if_info.
12818 (check_cond_move_block): New static function.
12819 (cond_move_process_if_block): New static function.
12820 (process_if_block): Call cond_move_process_if_block.
12822 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12824 * cselib.c (hash_table): Rename to cselib_hash_table.
12825 (cselib_clear_table, discard_useless_values,
12826 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12827 cselib_init, cselib_finish): Adjust uses of hash_table.
12829 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12831 PR tree-optimization/25485
12832 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12833 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12834 is known to be false and true, respectively.
12836 2006-01-14 Richard Guenther <rguenther@suse.de>
12838 PR tree-optimization/22548
12839 PR tree-optimization/22555
12840 PR tree-optimization/22501
12841 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12842 * params.def (salias-max-array-elements): New parameter.
12843 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12844 * doc/invoke.texi (salias-max-array-elements): Document.
12845 * tree-flow-inline.h (var_can_have_subvars): We also handle
12847 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12849 * tree-ssa-structalias.c (params.h): Include.
12850 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12851 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12852 (get_constraint_for): For ADDR_EXPR operating on something
12853 containing an ARRAY_REF, add all subvars to the solution.
12854 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12855 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12856 for creating MUST_DEFs.
12857 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12859 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12861 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12863 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12864 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12865 number_of_iterations_le): New functions.
12866 (number_of_iterations_special): Removed.
12867 (number_of_iterations_exit): Do not use number_of_iterations_special.
12868 * tree.c (unsigned_type_for): Always return integer type.
12870 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12871 Richard Guenther <rguenther@suse.de>
12873 PR rtl-optimization/24257
12874 * gcse.c (find_moveable_store): Only consider a store movable
12875 when the SET_SRC of the insn can be assigned to a register.
12877 2006-01-14 Ian Lance Taylor <ian@airs.com>
12879 * tree.c (tree_not_class_check_failed): New function.
12880 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12881 (tree_not_class_check_failed): Declare.
12883 2006-01-13 Ian Lance Taylor <ian@airs.com>
12885 * reload1.c (do_output_reload): Add assertion rejecting a
12888 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12890 * combine.c (struct reg_stat): Add new fields truncation_label and
12892 (record_value_for_reg): Reset truncated_to_mode.
12893 (record_truncated_value): New function.
12894 (check_promoted_subreg): Call it. Rename to check_conversions.
12895 (combine_instructions): Rename check_promoted_subreg to
12897 (reg_truncated_to_mode): New function.
12898 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12899 (gen_lowpart_or_truncate): New function.
12900 (force_to_mode): Use it instead of gen_lowpart.
12902 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12904 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12905 VAR is a tag, not its type tag.
12907 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12909 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12910 alternatives to match style of other entries.
12911 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12913 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12915 PR tree-optimization/25771
12916 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12919 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12922 * tree-inline.c (declare_return_variable): If the return variable
12923 was marked as a non gimple complex, set the return slot variable
12924 to be a non gimple comple variable.
12926 2006-01-13 Richard Guenther <rguenther@suse.de>
12928 * builtins.c (expand_builtin_sincos): New function.
12929 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12931 (expand_builtin): Expand sincos using expand_builtin_sincos.
12933 2006-01-12 DJ Delorie <dj@redhat.com>
12935 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12936 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12937 so that constant shifts can be split.
12938 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12939 (m32c_valid_pointer_mode): Make static.
12940 (shift_gen_func_for): New.
12941 (m32c_prepare_shift): Use it. Split large const shifts into
12943 * config/m32c/predicates.md (shiftcount_operand): Allow more
12945 (longshiftcount_operand): New.
12946 * doc/md.texi (Machine Constraints): Document In6.
12948 2006-01-13 Ben Elliston <bje@au.ibm.com>
12950 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12951 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12954 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12956 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12957 to try to avoid clobbering pieces of structures when we know
12958 something about the whole structure.
12959 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12961 2006-01-13 Ben Elliston <bje@au.ibm.com>
12963 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12964 return in memory, as this is no limitation is no longer present.
12966 2006-01-12 DJ Delorie <dj@redhat.com>
12968 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12969 mova with fb, and for fb+0 -> An.
12971 * config/m32c/mov.md (peephole2): Fix enabling logic.
12973 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12974 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12975 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12976 FINI_ARRAY_SECTION_ASM_OP): Define.
12978 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12980 (m32c_legitimize_reload_address): New logic to reload FB to An.
12981 (m32c_output_reg_push): Add newline.
12982 (m32c_output_reg_pop): Likewise.
12984 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12986 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12988 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12990 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12992 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12994 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12997 2006-01-11 Ben Elliston <bje@au.ibm.com>
12999 * rtlanal.c (find_reg_note): Assert insn is not null.
13001 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13003 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13006 2006-01-11 Jeff Law <law@redhat.com>
13008 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13010 (mark_threaded_blocks, register_jump_thread): New functions.
13011 (thread_through_all_blocks): Remove unwanted argument. No
13012 longer rely on e->aux to communicate thread target info.
13013 Call mark_threaded_blocks. Release the threaded_blocks
13014 bitmap and threaded_edges vector when complete.
13015 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13016 (threaded_blocks): Remove.
13017 (tree_ssa_dominator_optimize): Remove initialization and
13018 finalization of threaded_blocks. Simplify call to
13019 thread_through_all_blocks.
13020 (thread_across_edge): Call register_jump_thread rather than
13021 storing thread information into e->aux.
13022 (free_all_edge_infos): Simplify now that e->aux is no longer
13023 used to communicate with thread_through_all_blocks.
13024 * tree-flow.h (thread_through_all_blocks): Update prototype.
13025 (register_jump_thread): Prototype.
13027 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13029 * df-core.c (df_compact_blocks, df_bb_replace): Use
13030 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13032 2006-01-11 Richard Guenther <rguenther@suse.de>
13034 PR tree-optimization/25734
13035 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13036 stop propagation after successful propagation to the LHS.
13038 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13040 * basic-block.h (control_flow_graph): Change the type of
13041 x_basic_block_info to VEC(basic_block,gc) *.
13042 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13044 (SET_BASIC_BLOCK): New.
13045 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13046 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13047 * cfgbuild.c (find_basic_blocks): Likewise.
13048 * cfglayout.c (fixup_reorder_chain): Likewise.
13049 * cfgrtl.c (create_basic_block_structure,
13050 rtl_create_basic_block): Likewise.
13051 * ifcvt.c (find_if_case_1): Likewise.
13052 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13055 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13057 * Makefile.in: Removed rotted odf.c entry.
13059 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13062 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13063 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13064 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13065 output pattern modifier, not %e.
13066 * config/cris/cris.c (cris_op_str): Update comment about pattern
13068 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13069 before falling through into...
13070 <case 'E'>: Redefined from old 'e' case.
13072 2006-01-11 Jan Hubicka <jh@suse.cz>
13075 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13077 2006-01-11 Jan Hubicka <jh@suse.cz>
13079 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13080 * i386.c (x86_decompose_lea): Kill.
13081 (ix86_rtx_costs): Kill.
13083 2006-01-11 Jan Hubicka <jh@suse.cz>
13085 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13086 * cgraph.h (cgraph_node): Add inline_decl.
13087 (cgraph_insert_node_to_hashtable): Declare.
13088 (save_inline_function_body): Declare.
13089 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13091 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13092 (cgraph_function_versioning): Update call of tree_function_versioning.
13093 (save_inline_function_body): New function.
13094 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13095 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13096 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13097 (cgraph_default_inline_p): Likewise.
13098 (cgraph_decide_inlining_incrementally): Likewise.
13099 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13100 (copy_bb): Kill saving; do updating of clones.
13101 (copy_cfg_body): Kill saving.
13102 (initialize_inlined-parameters): Likewise.
13103 (expand_call_inline): Likewise.
13105 (tree_function_versioning): New parameter "update_clones".
13106 (inlining_p): Kill saving.
13107 * tree-inline.h (tree_function_versioning): Update prototype.
13108 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13111 2006-01-11 Ian Lance Taylor <ian@airs.com>
13113 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13114 Allow undoing set of machine mode.
13115 (do_SUBST): Use enums instead of is_int.
13116 (do_SUBST_MODE): New function.
13117 (SUBST_MODE): New macro.
13118 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13119 reg and trying to replace reg_regno_rtx with a new register.
13120 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13121 (simplify_set): Use SUBST_MODE.
13122 (distribute_notes): Remove code that tried to update reg notes
13123 for regno_reg_rtx changes.
13125 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13127 PR tree-optimization/23109
13128 PR tree-optimization/23948
13129 PR tree-optimization/24123
13131 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13132 * tree-cfg.c (single_noncomplex_succ): New.
13133 * tree-flow.h (single_noncomplex_succ): Declare it.
13134 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13135 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13136 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13137 insert_bb, register_division_in, insert_reciprocals,
13138 replace_reciprocal, free_bb): New.
13139 (execute_cse_reciprocals_1): Rewritten.
13140 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13141 Do not commit any edge insertion. Always compute dominators and
13142 create the allocation pool.
13143 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13144 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13145 * targhooks.c (default_min_divistions_for_recip_mul): New.
13146 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13147 * passes.c (init_optimization_passes): Run recip after tree loop
13149 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13151 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13152 Kenneth Zadeck <zadeck@naturalbridge.com>
13154 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13155 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13156 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13157 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13158 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13159 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13160 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13161 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13162 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13163 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13164 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13165 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13166 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13167 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13168 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13169 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13170 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13171 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13172 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13173 DF_SCAN_POST_ALLOC): New macros.
13174 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13175 df_free_bb_function, df_local_compute_function, df_init_function,
13176 df_dataflow_function, df_confluence_function_0,
13177 df_confluence_function_n, df_transfer_function,
13178 df_finalizer_function, df_free_function, df_dump_problem_function,
13179 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13180 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13181 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13182 df_urec_bb_info, ) New types.
13183 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13185 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13186 df_analyze_simple_change_some_blocks,
13187 df_analyze_simple_change_one_block, df_compact_blocks,
13188 df_bb_replace, df_bb_regno_last_use_find,
13189 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13190 df_insn_regno_def_p, df_find_def, df_find_use,
13191 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13192 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13193 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13194 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13195 debug_df_chain, df_get_dependent_problem, df_chain_create,
13196 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13197 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13198 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13199 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13200 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13201 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13202 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13203 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13204 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13205 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13206 df_reorganize_refs, df_set_state, df_hard_reg_init,
13207 df_read_modify_subreg_p) New public functions.
13208 * df-core.c: The core dataflow solver and glue routines for rtl
13210 (df_init, df_add_problem, df_set_blocks, df_finish,
13211 df_hybrid_search_forward, df_hybrid_search_backward,
13212 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13213 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13214 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13215 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13216 df_reg_defined, df_find_use, df_reg_used, df_dump,
13217 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13218 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13219 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13220 debug_df_useno, reset_df_after_reload): New functions.
13221 * df-scan.c: The scanning fuctions, once in df.c, completely
13222 rewritten so that they now fully model the functionality of
13223 register usage at the backend.
13224 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13225 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13226 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13227 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13228 df_get_artificial_defs, df_get_artificial_uses,
13229 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13230 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13231 df_refs_delete, df_reorganize_refs, df_set_state,
13232 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13233 df_def_record_1, df_defs_record, df_uses_record,
13234 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13235 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13236 df_record_exit_block_uses, df_hard_reg_init): New functions.
13238 * df-problems.c: Seven concrete dataflow problems that use the
13239 scanning in df-scan.c and are solved by the engine in df-core.c.
13240 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13241 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13242 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13243 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13244 df_ru_free_bb_info, df_ru_alloc,
13245 df_ru_bb_local_compute_process_def,
13246 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13247 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13248 df_ru_transfer_function, df_ru_free, df_ru_dump,
13249 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13250 df_rd_free_bb_info, df_rd_alloc,
13251 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13252 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13253 df_rd_transfer_function, df_rd_free, df_rd_dump,
13254 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13255 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13256 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13257 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13258 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13259 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13260 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13261 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13262 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13263 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13264 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13265 df_urec_mark_reg_use_for_earlyclobber,
13266 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13267 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13268 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13269 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13270 df_chain_create_bb_process_use, df_chain_create_bb,
13271 df_chain_finalize, df_chain_free, df_chains_dump,
13272 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13273 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13274 df_reg_lifetime): New functions.
13275 * df.c: Deleted file.
13276 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13277 consistent with new df api.
13278 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13279 rest_of_handle_sms): Ditto.
13280 * web.c (unionfind_union, union_defs, entry_register, web_main):
13282 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13283 invariant_expr_equal_p, find_defs, check_dependencies,
13284 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13285 free_inv_motion_data, move_loop_invariants): Ditto.
13286 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13287 Update dependencies.
13288 (odf.c): Added defective entry that was deleted later in day.
13289 * sched-deps.c (sched_analyze_1): Ditto.
13291 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13293 * tree-ssa-operands.c (get_expr_operands): Record addressable
13294 variables directly. Do not call add_stmt_operands for CONST_DECLs
13296 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13297 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13299 2006-01-11 Ben Elliston <bje@au.ibm.com>
13301 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13302 function returns true in the positive case.
13304 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13307 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13308 for SI, DI, SF and DF modes. Add alternatives to copy between
13309 general and floating point registers to the 32-bit patterns.
13310 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13311 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13312 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13313 generating 64-bit code.
13314 * config/pa/pa.c (output_move_double): Handle copies between general
13315 and floating registers.
13317 2006-01-10 Stuart Hastings <stuart@apple.com>
13319 * config/i386/i386.md (set_got): Update.
13320 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13321 (builtin_setjmp_receiver): Mach-O support.
13322 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13323 (GOT_SYMBOL_NAME): Define.
13324 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13325 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13326 * config/i386/i386.c (override_options): Revise for Darwin.
13327 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13328 support. (darwin_x86_file_end): New. (output_set_got): Add label
13329 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13330 * config/i386/i386-protos.h (output_set_got): Likewise.
13331 * config/darwin.c (machopic_legitimize_pic_address): Update
13334 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13336 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13337 when MODE isn't BLKmode.
13339 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13341 PR rtl-optimization/25367
13342 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13344 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13347 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13348 for a negative bound.
13350 2006-01-10 Richard Guenther <rguenther@suse.de>
13352 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13353 Never override with anything constraint.
13355 2006-01-10 Jan Beulich <jbeulich@novell.com>
13357 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13358 256 bits when optimize_size.
13360 2006-01-10 Jan Beulich <jbeulich@novell.com>
13362 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13364 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13365 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13368 2006-01-10 Ben Elliston <bje@au.ibm.com>
13370 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13372 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13373 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13374 (USE_FP_FOR_ARG): Reject decimal float modes.
13375 (function_arg_advance): Likewise.
13376 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13377 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13378 point types in AltiVec vectors.
13379 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13380 (rs6000_libcall_value): Likewise.
13382 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13384 * config/xtensa/ieee754-df.S: New file.
13385 * config/xtensa/ieee754-sf.S: New file.
13386 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13387 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13388 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13390 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13392 * config/sh/predicates.md (binary_float_operator,
13393 binary_logical_operator, commutative_float_operator,
13394 equality_comparison_operator, greater_comparison_operator,
13395 less_comparison_operator, logical_operator,
13396 noncommutative_float_operator, shift_operator,
13397 symbol_ref_operand, unary_float_operator): Remove redundant
13400 2006-01-09 Jeff Law <law@redhat.com>
13402 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13403 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13404 now unused arguments. Callers updated.
13405 (eliminate_redundant_computations): Remove now unused arguments,
13407 (local_fold): Remove, no longer used.
13408 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13410 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13411 (simplify_cond): New function.
13412 (forward_propagate_into_cond): Call simplify_cond.
13414 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13416 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13417 (*vec_extractv2di_1_sse): New.
13419 2006-01-09 Ben Elliston <bje@au.ibm.com>
13421 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13423 2006-01-08 Richard Guenther <rguenther@suse.de>
13425 * tree-ssa-structalias.c (get_constraint_for): Remove
13426 anyoffset argument.
13427 (get_constraint_for_component_ref): Likewise.
13428 (do_deref): Likewise.
13429 (get_constraint_for): Likewise.
13430 (do_structure_copy): Likewise.
13431 (handle_ptr_arith): Likewise.
13432 (find_func_aliases): Likewise. Remove unused need_anyoffset
13435 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13436 Kaz Kojima <kkojima@gcc.gnu.org>
13438 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13439 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13440 (EXTRA_CONSTRAINT_C16): Remove.
13441 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13442 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13443 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13444 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13445 constants of SHmedia. Handle nested constant expressions of
13447 (andcosts): Fix the costs for SHmedia constants.
13448 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13449 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13450 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13451 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13452 (movv4hi_i, movv2si_i): Likewise.
13453 (movsi_const): Adjust the second operand of ior so to match with
13454 the Csu constraint.
13455 (movdi_const, movdi_const_32bit): Likewise.
13456 (movdi_const_16bit+1): Don't sign-extend LOW.
13457 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13459 (*double_shori): Fix the split condition. Use GEN_INT instead
13460 of get_int_mode calls. Mask lower 16-bit of the argument of
13462 (sym2GOTPLT): Remove.
13463 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13465 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13466 instead of EXTRA_CONSTRAINT_C16.
13468 2006-01-07 Ian Lance Taylor <ian@airs.com>
13469 David Edelsohn <edelsohn@gnu.org>
13471 PR rtl-optimization/25662
13472 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13473 for constant operands instead of simplify_gen_binary.
13474 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13475 after trying simplify_binary_operation
13477 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13479 * tree.c (iterative_hash_expr): Hash decls based on UID.
13481 2006-01-06 Eric Christopher <echristo@apple.com>
13483 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13484 (TARGET_UNWIND_EMIT): Fix spelling.
13485 * target.h (gcc_target): Add except_table_label.
13486 * except.c (output_function_exception_table): Use.
13487 * varasm.c (default_emit_except_table_label): New.
13488 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13490 (asm_out): Add here.
13491 * output.h (default_emit_except_table_label): Prototype.
13492 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13493 * config/darwin.c (darwin_emit_except_table_label): Define.
13494 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13496 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13498 PR tree-optimization/18527
13499 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13500 number_of_iterations_special, number_of_iterations_exit):
13501 Move base and step of an iv to a single structure. Add
13502 no_overflow flag, and use it in # of iterations analysis.
13503 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13504 folded_casts argument.
13505 (simple_iv): Pass base and step in a structure. Set no_overflow
13507 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13508 Evaluate expensiveness of computing # of iterations instead of
13509 the final expression.
13510 * tree-scalar-evolution.h (affine_iv): New structure.
13511 (simple_iv): Declaration changed.
13512 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13513 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13514 find_givs_in_stmt): Changed due to simple_iv change.
13516 2006-01-06 Jeff Law <law@redhat.com>
13519 * tree-cfg.c (bsi_replace): Rename final argument from
13520 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13521 change (stmt -> orig_stmt).
13522 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13523 (bsi_remove): Add new argument. Remove EH information
13525 (verify_eh_throw_table_statements): New function.
13526 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13528 * tree-optimize.c (execute_free_cfg_annotations): Verify
13529 the EH throw statement table after removing annotations.
13530 * except.h (verify_eh_throw_table_statements): Prototype.
13531 * tree-flow.h (bsi_remove): Update prototype.
13532 * tree-vrp.c (remove_range_assertions): Add new argument to
13534 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13535 * tree-complex.c (expand_complex_div_wide): Likewise.
13536 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13537 * tree-tailcall.c (eliminate_tailcall): Likewise.
13538 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13539 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13540 * tree-nrv.c (tree_nrv): Likewise.
13541 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13542 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13543 (combine_blocks): Likewise.
13544 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13545 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13546 (cleanup_control_flow): Likewise.
13547 (remove_forwarder_block): Likewise.
13548 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13549 * tree-sra.c (sra_replace): Likewise.
13550 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13551 (forward_propagate_single_use_vars): Likewise.
13552 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13553 * tree-inline.c (expand_call_inline): Likewise.
13554 * tree-vect-transform.c (vect_transform_loop): Likewise.
13555 * tree-outof-ssa.c (rewrite_trees): Likewise.
13556 * tree-cfg.c (make_goto_expr_edges): Likewise.
13557 (cleanup_dead_labels): Likewise.
13558 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13559 (bsi_move_before, bsi_move_after): Likewise.
13560 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13561 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13563 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13566 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13568 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13569 on non gimple variables. Also add checks at the top for decls and
13571 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13573 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13574 and IMAGPART_EXPR for creating MUST_DEFs.
13575 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13576 and NAME_MEMORY_TAG separately from the DECLs.
13578 2006-01-06 Richard Guenther <rguenther@suse.de>
13580 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13581 annotation, if necessary.
13582 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13583 redundant calls to update_stmt.
13584 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13587 2006-01-05 Richard Henderson <rth@redhat.com>
13589 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13591 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13593 * c-typeck.c: Update copyright date.
13595 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13597 * c-typeck.c (build_c_cast): Always warn when casting
13598 from a pointer to an integer of different size, even if
13599 the node was constant.
13601 2006-01-05 Richard Guenther <rguenther@suse.de>
13603 PR tree-optimization/22555
13604 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13605 if one structure field is an array.
13606 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13607 operands even if we found a subvar, but ignore VOPs in this
13609 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13611 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13613 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13615 PR middle-end/24998
13616 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13618 2006-01-05 Richard Guenther <rguenther@suse.de>
13619 Diego Novillo <dnovillo@redhat.com>
13621 * tree-pass.h (TODO_remove_unused_locals): Define.
13622 * gimple-low.c (expand_var_p, remove_useless_vars,
13623 pass_remove_useless_vars): Remove. Update all users.
13624 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13625 (remove_unused_locals): New function.
13626 * tree-flow.h (remove_unused_locals): Declare.
13627 * passes.c (execute_todo): Call remove_unused_locals if
13628 TODO_remove_unused_locals is set.
13629 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13630 * tree-ssa-dce.c (pass_dce): Likewise.
13631 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13633 2006-01-05 Richard Guenther <rguenther@suse.de>
13635 * tree-flow.h (struct fieldoff): Decompose field to
13636 type, size and decl.
13637 * tree-ssa-alias.c (create_sft): Take type as parameter.
13638 (create_overlap_variables_for): Store type, size and decl
13639 in the fieldoff structure.
13640 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13641 of struct fieldoff.
13642 (push_fields_onto_fieldstack): Likewise.
13643 (create_variable_info_for): Likewise. Use offset for the
13644 SFT name if the decl is not available.
13646 2006-01-04 Paul Brook <paul@codesourcery.com>
13648 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13650 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13652 * lambda-code.c (can_put_in_inner_loop): Relax
13654 (can_put_after_inner_loop): New function.
13655 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13656 (perfect_nestify): Change to make copies and modify uses.
13658 2006-01-04 Richard Henderson <rth@redhat.com>
13660 Merge from gomp branch:
13661 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13662 via integer constant.
13663 (pragma_lex): Remove.
13664 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13665 rather than parsing it.
13666 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13667 handle_pragma_extern_prefix): Add %< %> quotes.
13668 (registered_pragmas): New.
13669 (c_register_pragma_1): New.
13670 (c_register_pragma): Use it.
13671 (c_register_pragma_with_expansion): Likewise.
13672 (c_invoke_pragma_handler): New.
13673 (init_pragma): Use cpp_register_deferred_pragma directly for
13675 * c-pragma.h (enum pragma_kind): New.
13676 (pragma_handler): New.
13677 (c_invoke_pragma_handler): Declare.
13678 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13680 * c-common.h (c_common_pch_pragma): Update decl.
13681 * Makefile.in (c-parser.o): Update dependencies.
13682 (GTFILES): Add c-pragma.h.
13683 * c-parser.c (struct c_token): Add pragma_kind.
13684 (struct c_parser): Add in_pragma.
13685 (c_lex_one_token): Always initialize keyword and pragma_kind.
13686 Extract data for CPP_PRAGMA.
13687 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13688 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13689 Don't allow CPP_PRAGMA_EOL if in_pragma.
13690 (c_parser_consume_pragma): New.
13691 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13692 (c_parser_skip_to_end_of_parameter): Likewise.
13693 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13694 (c_parser_skip_to_pragma_eol): New.
13695 (c_parser_external_declaration): Handle CPP_PRAGMA.
13696 (c_parser_compound_statement_nostart): Likewise.
13697 (c_parser_statement_after_labels): Likewise.
13698 (c_parser_pragma): New.
13699 (pragma_lex): Likewise.
13700 (c_parser_pragma_pch_preprocess): New.
13701 (c_parser_new): Merge into ...
13702 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13704 2006-01-04 Jeff Law <law@redhat.com>
13707 * tree-cfg.c (bsi_replace): Remove the original statement
13708 from the EH throw statement table.
13710 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13712 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13713 make the prototype extern "C" and add throw ().
13716 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13717 and pos non-negative and pos + len <= 32.
13718 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13719 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13720 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13723 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13724 as well as sizes not multiple of component size.
13727 * function.c (instantiate_expr): New function.
13728 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13729 walk its DECL_VALUE_EXPR with instantiate_expr.
13731 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13732 DW_OP_deref{,_size} if address isn't going to be added.
13734 2006-01-04 Ben Elliston <bje@au.ibm.com>
13736 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13737 * config/fp-bit.c: Likewise.
13739 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13741 * dominance.c: Add comment about why we use DFS numbering
13744 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13745 Richard Henderson <rth@redhat.com>
13747 Merge from gomp-branch:
13748 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13749 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13751 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13753 PR rtl-optimization/25578
13754 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13755 pass a parameter to simplify_shift_const if changing ASHIFTRT
13758 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13760 * builtins.c (get_builtin_sync_mem): New function.
13761 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13762 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13763 Call get_builtin_sync_mem to generate mem rtx.
13765 2006-01-03 Richard Guenther <rguenther@suse.de>
13768 * stmt.c (add_case_node): Make sure to clear overflow flags
13771 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13773 Merge from gomp-branch.
13774 * config/sparc/sync.md: New file.
13775 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13776 UNSPECV_LDSTUB): New constants.
13777 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13778 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13779 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13782 2006-01-03 Roger Sayle <roger@eyesopen.com>
13784 * combine.c (reg_subword_p): New predicate to test whether the
13785 destination of a set refers to a subword/piece of a register.
13786 (try_combine): Generalize the code to merge the setting of a
13787 pseudo to a constant followed by a set of a subword of that
13788 register to a constant.
13790 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13792 * basic-block.h (control_flow_graph): Change the type of
13793 x_label_to_block_map to VEC(basic_block,gc) *.
13794 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13795 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13797 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13798 VEC(basic_block,heap) *.
13799 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13800 ssa_prop_fini): Adjust the uses of cfg_blocks.
13802 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13804 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13806 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13807 hashing trees instead of a pointer hash.
13808 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13809 compare for MEM_EXPR.
13811 PR rtl-optimization/25130
13812 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13813 when comparing MEMs for GCSE
13815 2006-01-03 Ben Elliston <bje@au.ibm.com>
13817 * targhooks.h (default_decimal_float_supported_p): Declare.
13818 * targhooks.c (default_decimal_float_supported_p): Define.
13819 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13820 `default_decimal_float_supported_p'.
13821 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13823 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13825 * combine.c (apply_distributive_law <SUBREG>): Check
13826 TRULY_NOOP_TRUNCATION.
13828 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13830 * dwarf2out.c (have_switched_text_section): Delete.
13831 (have_multiple_function_sections): New.
13832 (have_location_lists): Make 'bool'.
13833 (add_AT_loc_list): Use 'true' not '1'.
13834 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13835 (output_loc_list): Use have_multiple_function_sections.
13836 (output_ranges): Likewise.
13837 (dwarf2out_begin_function): Set have_multiple_function_sections if
13839 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13840 Check function_section rather than DECL_SECTION_NAME.
13841 (dwarf2out_finish): Use have_multiple_function_sections.
13842 Don't clear have_location_lists.
13844 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13845 Jan Hubicka <jh@suse.cz>
13847 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13848 case of conditional jump jumping to the next instruction.
13849 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13850 cases of conditional jump jumping to the next instruction.
13852 2006-01-02 Jan Hubicka <jh@suse.cz>
13854 * i386.c (*_cost): Add COSTS_N_INSNS.
13855 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13857 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13860 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13862 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13864 * config/arm/arm.c (all_fpus): Fix comment typo.
13865 * config/darwin.c: Likewise.
13866 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13867 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13868 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13870 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13872 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13873 (rs6000_split_compare_and_swapqhi): New.
13874 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13875 (sync_compare_and_swapqhi_internal): New.
13876 * config/rs6000/rs6000-protos.h: Declare.