1 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3 * c-decl.c, var-tracking.c: Fix comment typos.
5 2006-08-14 Richard Sandiford <richard@codesourcery.com>
7 PR rtl-optimization/28634
8 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9 for floating-point modes unless flag_unsafe_math_optimizations.
11 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
12 Andrew Pinski <pinskia@physics.uc.edu>
15 * tree.c (build_array_type): Unify array types with
16 unspecified index_type.
17 * c-decl.c (grokdeclarator): Make sure we do not modify a
18 unified incomplete array type.
19 * c-typeck.c (store_init_value): Create distinct type before
20 filling in the index type in an initializer from a compound
23 * c-decl.c (grokdeclarator): Remove code where we copy the
26 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
28 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
29 into account for TODO_dump_cgraph.
30 (TODO_update_ssa_no_phi): Likewise.
31 (TODO_update_ssa_full_phi): Likewise.
32 (TODO_update_ssa_only_virtuals): Likewise.
33 (TODO_remove_unused_locals): Likewise.
34 (TODO_set_props): Likewise.
35 (TODO_update_stmt_usage): Likewise.
37 2006-08-13 Dirk Mueller <dmueller@suse.de>
39 * c-common.c (strict_aliasing_warning): Fix formatting.
41 2006-08-13 Matthias Klose <doko@debian.org>
43 * doc/invoke.texi: Fix spelling errors.
45 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
47 PR rtl-optimization/23454
48 * reorg.c (relax_delay_slots): Update comment.
50 2006-08-11 Richard Guenther <rguenther@suse.de>
53 * simplify-rtx.c (simplify_const_relational_operation):
54 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
57 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
59 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
60 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
62 2006-08-10 Paul Brook <paul@codesourcery.com>
64 * final.c (final_scan_insn): Clear current_insn_predicate before
65 outputting inline asm.
67 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
69 PR tree-optimization/26197
70 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
71 get_ref_base_and_extent and overlap_subvar to add only relevant
72 subvars as may-aliases.
73 (add_may_alias_for_new_tag): New function, factored out of
75 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
76 with additional argument.
77 * tree-flow.h (new_type_alias): Takes additional argument.
79 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
81 * gcov.c (no_data_file): New flag.
82 (read_count_file): Set it if data file not present. Assume counts
84 (output_lines): Don't name the data file, if there wasn't one.
86 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
88 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
89 (rs6000_generate_compare): Tweak comments.
90 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
92 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
94 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
95 (var_debug_decl): New function.
96 (var_reg_set): Follow debug decl link. Add location even if
97 reg is already known to hold some other variable.
98 (var_mem_set): Follow debug decl link.
99 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
100 decl link. Delete other known locations of the variable part
102 (var_reg_delete, var_mem_delete): Delete other known locations
103 of the variable part if requested.
104 (same_variable_part_p): New function.
105 (add_stores): Select MO_COPY when appropriate.
106 (vt_initialize): Handle it.
107 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
108 known locations for MO_SET and MO_CLOBBER.
109 (find_variable_location_part): New function.
110 (set_variable_part, delete_variable_part): Use it.
111 (clobber_variable_part): New function.
112 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
115 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
117 PR tree-optimization/26969
118 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
119 with an empty list of PHIs.
121 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
125 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
128 2006-08-06 Andreas Schwab <schwab@suse.de>
130 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
131 string. Whitespace and comment fixup.
133 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
136 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
140 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
143 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
145 2006-08-04 Jan Hubicka <jh@suse.cz>
149 * reload.c (push_reload): Patch out the mismatching instruction;
151 (find_reload): Bail out if the instruction was patched out.
153 2006-08-04 Jan Hubicka <jh@suse.cz>
155 PR tree-optimization/24888
156 * tree-inline.c (expand_call_inline): Do not re-record variables.
157 (declare_inline_vars): Add variable to unexpanded_var_list.
159 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
160 Roger Sayle <roger@eyesopen.com>
162 PR rtl-optimization/26244
163 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
164 inner_const are negative or greater than or equal to the bitsize of
165 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
166 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
167 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
168 CONST0_RTX (mode) when the new shift count is greater than or equal to
169 to the bitsize of the object being shifted and XEXP (y, 0) has no side
172 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
174 * tree-cfg.c: Fix a comment typo.
176 2006-08-03 Mark Mitchell <mark@codesourcery.com>
179 * varasm.c (output_constant): Give the front end another chance to
180 expand constants, after stripping NOPs.
182 2006-08-03 Jan Hubicka <jh@suse.cz>
184 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
187 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
189 PR tree-optimization/27770
190 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
191 declaration removed (moved to tree-flow.h).
192 (vect_can_force_dr_alignment_p): Likewise.
193 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
194 (moved from tree-vectorizer.h).
195 (vect_can_force_dr_alignment_p): Likewise.
196 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
197 from outside the vectorizer - in particular from cgraph stage.
198 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
199 the alignment of global arrays when -fsection-anchors is enabled.
200 * cgraphunit.c (cgraph_increase_alignment): New function.
201 (cgraph_optimize): Call cgraph_increase_alignment.
203 2006-08-03 David Edelsohn <edelsohn@gnu.org>
206 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
207 not reload a SPE symbol_ref into a lo_sum address.
209 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
212 * dwarf2out.c (prune_unused_types_prune): Move call to
213 prune_unused_types_update_strings to cover the parent DIE also.
215 2006-08-02 Jan Hubicka <jh@suse.cz>
217 PR gcov/profile/28480
218 * tree-cfg.c (change_bb_for_stmt): New function.
219 (tree_merge_blocks, tree_split_blocks): Use it.
221 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
227 * toplev.c (compile_file): Return early on errorcount or sorrycount.
228 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
229 (cgraph_optimize): Likewise.
231 2006-08-01 Stuart Hastings <stuart@apple.com>
233 * rtl.h (UINTVAL) New.
234 * config/rs6000/rs6000.c (SMALL_INT) Use it.
235 * testsuite/gcc.dg/20060801-1.c: New.
237 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
240 * c-typeck.c (build_external_type): Mark used enum types.
241 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
243 (gen_subprogram_die): Whitespace fix.
245 2006-08-01 Jan Hubicka <jh@suse.cz>
247 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
248 bitmap when not needed.
249 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
252 2006-08-01 Dirk Mueller <dmueller@suse.de>
254 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
256 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
258 * Makefile.in: Revert part of previous patch:
259 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
262 2006-07-30 Eric Christopher <echristo@apple.com>
265 * doc/extend.texi (i386 Variable Attributes): Add anchor.
266 (PowerPC Variable Attributes): New section.
268 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
270 PR target/28126 (partial fix)
271 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
273 2006-07-28 Jan Hubicka <jh@suse.cz>
275 PR rtl-optimization/28071
276 * cfgrtl.c (rtl_delete_block): Free regsets.
277 * flow.c (allocate_bb_life_data): Re-use regsets if available.
279 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
281 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
282 and variables used in dependencies.
284 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
286 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
287 %fs for -mcmodel=kernel.
288 (stack_tls_protect_test_di): Likewise.
290 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
292 * Makefile.in: Use mkinstalldirs.
294 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
297 * opts-common.c (prune_options): Skip joined switches.
299 2006-07-27 Jan Hubicka <jh@suse.cz>
301 PR rtl-optimization/28071
302 * cselib.c (cselib_process_insn): Don't remove useless values too
303 often for very large hashtables.
305 2006-07-27 Jan Hubicka <jh@suse.cz>
307 PR rtl-optimization/28071
308 * global.c (greg_obstack): New obstack.
309 (allocate_bb_info): Use it.
310 (free_bb_info): Likewise.
311 (modify_reg_pav): Likewise.
313 2006-07-27 Roger Sayle <roger@eyesopen.com>
315 * builtins.c (fold_fixed_mathfn): When long and long long are the
316 same size, canonicalize llceil*, llfloor*, llround* and llrint*
317 functions to their lceil*, lfloor*, lround* and lrint* forms.
319 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
322 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
324 (rev_branch_insn): Likewise.
326 2006-07-27 Jan Hubicka <jh@suse.cz>
328 PR rtl-optimization/28071
329 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
330 (reg_set_in_bb, max_reg_computed): New static variables.
331 (regmove_optimize): Free the new array.
332 (fixup_match_1): Update call of reg_is_remote_constant_p.
334 2006-07-26 Jan Hubicka <jh@suse.cz>
336 PR tree-optimization/27882
337 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
339 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
341 (cgraph_analyze_compilation_unit): Likewise.
342 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
343 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
344 (cgraph_early_inlinine): Make order garbage collected.
345 * Makefile.in (gt-ipa-inline): New garbagecollected file.
347 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
349 * dbxout.c (output_types_sort): Add a comment.
350 (output_used_types): Free the VEC.
352 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
354 * function.c (reorder_fix_fragments): Delete.
355 (reorder_blocks): Don't call it.
356 (reorder_blocks_1): Put all subblocks under the origin block.
358 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
360 PR rtl-optimization/27907
361 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
364 2006-07-25 Roger Sayle <roger@eyesopen.com>
367 * convert.c (convert_to_integer): When transforming (T)foo(x) into
368 bar(x) check that bar's result type can represent all the values of T.
370 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
372 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
374 2006-07-25 Nick Clifton <nickc@redhat.com>
376 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
378 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
379 (ggc_pch_count_object): Likewise.
380 (ggc_pch_alloc_object): Likewise.
381 (ggc_pch_write_object): Likewise.
382 (init_ggc): Do not attempt to initialize entries in the
383 size_lookup[] array for objects whose size is greater than than
384 the length of the array.
386 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
388 * dbxout.c (output_used_types_helper): Push queued types
390 (output_types_sort): New.
391 (output_used_types): Collect used types on a VEC and sort them
394 2006-07-24 Richard Guenther <rguenther@suse.de>
397 * cgraph.c (cgraph_remove_node): Do not check if dumps
399 * cgraphunit.c (cgraph_optimize): Likewise.
401 2006-07-24 Jan Hubicka <jh@suse.cz>
403 PR rtl-optimization/28071
404 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
405 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
406 splitting before first stmt.
408 2006-07-24 Jan Hubicka <jh@suse.cz>
410 PR rtl-optimization/28071
411 * ipa-inline.c (update_caller_keys): Remove edges that
412 are no longer inline candidates.
414 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
417 * dbxout.c (output_used_types_helper, output_used_types): New.
418 (dbxout_symbol): Call output_used_types.
420 2006-07-23 Jan Hubicka <jh@suse.cz>
424 * cgraph.c (cgraph_varpool_nodes): Export.
425 (decide_is_variable_needed): Ignored "used" attribute in
427 * cgraph.h (cgraph_varpool_nodes): Declare.
428 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
431 2006-07-23 Roger Sayle <roger@eyesopen.com>
434 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
435 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
436 the __gthrw form of thr_keycreate.
437 (__gthread_key_delete): Silence the unused argument warning.
439 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
442 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
443 Cache the last found '\0' marker to avoid quadratic behavior.
445 2006-07-23 Jan Hubicka <jh@suse.cz>
447 * i386.md (subsi_3_zext): Fix output template.
449 2006-07-21 Mike Stump <mrs@apple.com>
451 * doc/invoke.texi (C++ Dialect Options): Note that
452 -fvisibility-inlines-hidden doesn't affect explicitly
453 instantiationed inline methods.
455 2006-07-20 Roger Sayle <roger@eyesopen.com>
457 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
458 if the target assembler is GNU binutils' gas.
459 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
460 whether to pass GNU gas or native as command line options.
462 2006-07-20 Jason Merrill <jason@redhat.com>
464 * tree.c (remove_attribute): New fn.
465 * tree.h: Declare it.
467 2006-07-20 Paul Brook <paul@codesourcery.com>
470 * cse.c (cse_insn): Add destination addresses to hash table. Check if
471 they are invalidated by this instruction.
473 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
476 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
478 2006-07-20 Eric Christopher <echristo@apple.com>
481 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
483 2006-07-19 Eric Christopher <echristo@apple.com>
485 * config/t-slibgcc-darwin (stmp-lipo): Remove.
486 Rewrite dependencies for libgcc_s.1.dylib.
488 2006-07-19 Jakub Jelinek <jakub@redhat.com>
490 * except.c (duplicate_eh_regions_1): Clear next_peer.
492 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
494 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
495 -mlongcall does not guarantee all calls will be long.
496 * doc/extend.texi (long_call/short_call): Document that longcall
497 does not guarantee a long call will be used.
498 (longcall/shortcall): Likewise.
500 2006-07-18 Roger Sayle <roger@eyesopen.com>
503 * expmed.c (expand_shift): Additionally check that the shift_cost
504 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
505 before implementing a LSHIFT_EXPR as a sequence of additions.
506 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
507 middle-end that DImode shifts need to be synthesized by expand.
509 2006-07-18 Diego Novillo <dnovillo@redhat.com>
512 * tree-ssa-operands.c (access_can_touch_variable): Update
514 Return true if ALIAS is .GLOBAL_VAR.
516 2006-07-18 David Daney <ddaney@avtrex.com>
518 * gcc.c (display_help): Fix typo in help text.
520 2006-07-18 Olivier Hainque <hainque@adacore.com>
522 * tree.h (categorize_ctor_elements): Adjust prototype and add
523 descriptive comment, both in accordance with the interface change
525 * varasm.c (constructor_static_from_elts_p): New function.
526 Whether a constructor node is a valid static constant initializer
527 if all its elements are.
528 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
529 * output.h: Declare it.
530 * expr.c (categorize_ctor_elements_1): Return whether the constructor
531 is a valid constant initializer instead of computing the number of
532 non-constant elements. Use constructor_static_from_elts_p for this
533 purpose. Replace the head comment with an indication that this is a
534 helper for categorize_ctor_elements.
535 (categorize_ctor_elements): Same interface change as for the _1
536 helper. Former head comment from this helper moved here, adjusted to
537 account for the interface changes.
538 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
539 (all_zeros_p): Likewise.
540 * gimplify.c (gimplify_init_constructor): Decide whether we can make
541 static versions of the constructor from the categorize_ctor_elements
542 return value instead of the formerly computed number of non-constant
545 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
547 * configure: Regenerate.
548 * Makefile.in (build_libsubdir): New configure substitution
549 (build_libobjdir): New variable.
550 (BUILD_LIBIBERTY): Use it.
552 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
555 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
557 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
560 * c-common.c (handle_weakref_attribute): Ignore attribute in
561 the same conditions the alias attribute is ignored.
563 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
565 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
566 (dbxout_begin_prologue): Increment scope_labelno.
568 2006-07-17 Richard Henderson <rth@redhat.com>
571 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
574 2006-07-17 Roger Sayle <roger@eyesopen.com>
575 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
577 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
578 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
579 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
580 functions such as sbrk, write, etc.. Add function prototypes.
581 Convert function declarations from K&R to ISO C. Cast pointers
582 to "long" and "unsigned long" instead of "int" and "unsigned int".
583 Convert tokens following #endif into comments.
585 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
587 * invoke.texi: Remove mention of f77; Reformat table for
588 inline parameter options correctly; mention that -malign-double
589 is default on x86-64 targets.
591 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
593 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
594 (convert_affine_scev, chrec_convert_aggressive): Use
595 avoid_arithmetics_in_type_p. Do not check for the subtypes
598 2006-07-17 Richard Sandiford <richard@codesourcery.com>
601 * optabs.c (expand_doubleword_shift): Wrap the call to
602 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
604 2006-07-17 Richard Sandiford <richard@codesourcery.com>
607 * optabs.c (expand_binop): Pass next_methods rather than methods
608 to expand_doubleword_shift.
610 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
613 * tree.h (dump_addr): Declare.
614 * print-tree.c (dump_addr): New function.
615 (print_node_brief, print_node): Use it.
616 * print-rtl.c (print_rtx): Likewise.
617 * common.opt (-fdump-noaddr): New option.
618 * doc/invoke.texi (-fdump-noaddr): Document.
619 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
620 (ve_info_hash): Likewise.
622 2006-07-13 Andrew Haley <aph@redhat.com>
624 PR tree-optimization/19505
625 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
626 edge leaving this block, make sure that the destination of this
627 block has only one predecessor.
629 2006-07-17 Richard Guenther <rguenther@suse.de>
631 PR tree-optimization/28238
632 * tree-inline.c (copy_bb): Check if we produced valid
633 gimple copying and substituting a stmt. If not, gimplify
636 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
638 * optabs.c (maybe_encapsulate_block): New function extracted from...
639 (emit_libcall_block): ...here. Invoke it on the block of insns to
640 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
641 (emit_no_conflict_block): Likewise.
643 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
645 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
647 2006-07-15 Roger Sayle <roger@eyesopen.com>
649 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
650 a new NOP_EXPR case of the switch statement.
652 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
655 * stor-layout.c (place_field): Take the bit field with
656 an excessive size into account in the ms-bitfiled case.
659 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
660 the previous bit field.
662 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
665 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
667 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
669 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
670 signal frames correctly even when the signal was installed with
673 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
675 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
676 (dbxout_function_end): Use local label LFBB. Remove hook
678 (dbxout_source_line): Use local label LFBB.
679 (dbxout_block): Likewise.
680 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
681 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
682 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
685 2006-07-13 Janis Johnson <janis187@us.ibm.com>
687 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
689 2006-07-13 Jan Hubicka <jh@suse.cz>
691 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
693 * output.h (align_variable): Declare.
694 * varasm.c (align_variable): Export.
695 * value-prof.c (tree_value_profile_transformations): Recompute iterator
696 when basic block changed.
698 2006-07-13 Nick Clifton <nickc@redhat.com>
700 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
701 walking the LOG_LINKS chain.
703 2006-07-12 Geoffrey Keating <geoffk@apple.com>
705 * doc/invoke.texi (C++ Dialect Options): Explain difference
706 between -fvisibility-inlines-hidden and setting hidden
707 visibility explicitly.
709 2006-07-12 Eric Christopher <echristo@apple.com>
711 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
712 (stmp-lipo): Depend on libgcc.a.
714 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
716 * tree.c: Fix a comment typo.
718 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
720 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
722 (umulhisi3_r): Likewise.
724 2006-07-12 Paolo Carlini <pcarlini@suse.de>
727 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
728 x < 19, vs wchar_t support.
730 2006-07-12 Nick Clifton <nickc@redhat.com>
732 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
735 2006-07-12 Mike Stump <mrs@apple.com>
737 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
739 2006-07-10 Eric Christopher <echristo@apple.com>
741 * config/t-slibgcc-darwin: Rewrite.
743 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
746 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
749 2006-07-08 Matthias Klose <doko@debian.org>
751 * doc/sourcebuild.texi: Fix typo.
753 2006-07-07 Mike Stump <mrs@apple.com>
755 * toplev.c (process_options): Don't give -ffunction-sections may
756 affect debugging warning for Mach-O.
758 2006-07-07 James E Wilson <wilson@specifix.com>
760 * config/mips/mips.md (cpu): Add sb1a.
761 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
762 addition to sb1. Adjust comments to clarify SB-1A differences from
764 (ir_sb1a_load): New. Modify bypasses to use it.
765 (ir_sb1a_simple_alu): Likewise.
766 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
767 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
768 (mips_issue_rate): Add PROCESSOR_SB1A.
769 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
770 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
771 (TARGET_SB1): Add PROCESSOR_SB1A check.
772 (TUNE_SB1): Likewise.
774 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
775 * config/mips/mips.c (mips_store_data_bypass_p): New.
776 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
779 2006-07-08 Paul Brook <paul@codesourcery.com>
782 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
784 2006-07-07 Richard Guenther <rguenther@suse.de>
787 * tree.h (build_one_cst): Declare.
788 * tree.c (build_one_cst): New function.
789 * tree-ssa-math-opts.c (get_constant_one): Remove.
790 (insert_reciprocals): Use build_one_cst.
791 * fold-const.c (fold_plusminus_mult): Likewise.
793 2006-07-07 Roger Sayle <roger@eyesopen.com>
795 * pointer-set.c (pointer_set_destroy): Correct whitespace.
796 * cfgloopanal.c (dump_graph): Likewise.
797 * dojump.c (discard_pending_stack_adjust): Likewise.
798 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
800 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
801 * function.c (finalize_block_changes): Likewise.
802 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
803 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
804 * rtl.c (dump_rtx_statistics): Likewise.
805 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
807 * varray.c (dump_varray_statistics): Likewise.
808 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
809 decode_decimal64, encode_decimal128, decode_decimal128,
810 decimal_real_to_decimal): Likewise.
812 2006-07-07 Richard Guenther <rguenther@suse.de>
814 PR tree-optimization/28187
815 * tree-vrp.c (vrp_operand_equal_p): New function.
816 (vrp_bitmap_equal_p): Likewise.
817 (update_value_range): Use them to compare old and new
820 2006-07-06 Roger Sayle <roger@eyesopen.com>
822 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
823 a default case to switch statement to silence compiler warnings.
825 2006-07-06 Roger Sayle <roger@eyesopen.com>
828 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
829 the configured assembler supports the x87's ffreep mnemonic.
830 * configure: Regenerate.
831 * config.in: Regenerate.
833 * config/i386/i386.c (output_387_ffreep): New function.
834 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
835 (output_387_reg_move): Likewise.
837 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
839 Port to hosts whose 'sort' and 'tail' implementations
840 treat operands with leading '+' as file names, as POSIX
841 has required since 2001. However, make sure the code still
842 works on pre-POSIX hosts.
843 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
844 which says you should use "tail -c +N" rather than "tail +Nc".
845 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
847 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
849 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
852 2006-07-06 David Edelsohn <edelsohn@gnu.org>
855 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
856 PRE_{INC,DEC} of TFmode.
858 2006-07-06 David Edelsohn <edelsohn@gnu.org>
859 Alan Modra <amodra@bigpond.net.au>
862 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
865 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
868 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
869 Remove duplicate gtu.
871 2006-07-05 Jason Merrill <jason@redhat.com>
875 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
876 * c-common.c (handle_packed_attribute): So don't copy it here.
877 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
879 2006-07-05 Mike Stump <mrs@apple.com>
881 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
883 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
886 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
888 2006-07-05 Richard Guenther <rguenther@suse.de>
891 * config/i386/i386.md (*negdf2_1): Restrict pattern to
892 TARGET_SSE2 targets if using SSE math.
893 (*absdf2_1): Likewise.
895 2006-07-05 Richard Guenther <rguenther@suse.de>
897 PR tree-optimization/28162
898 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
899 make sure to convert the operands to the correct type.
901 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
903 PR tree-optimization/28218
905 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
906 to calculate and free the dominator information.
908 2006-07-04 Peter O'Gorman <peter@pogma.com>
910 * mklibgcc.in: chmod 644 before ranlib during install.
912 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
913 J"orn Rennecke <joern.rennecke@st.com>
915 * configure.ac (.eh_frame data check): Use diff -b.
917 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
920 * Makefile.in (BUILD_RTL): Add build/vec.o.
921 (build/gencondmd.o): Filter out -fkeep-inline-functions.
922 (build/genextract): Delete.
923 (build/genautomata): Likewise.
925 2006-07-04 Alan Modra <amodra@bigpond.net.au>
928 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
929 128-bit IBM long doubles for ABI_V4.
931 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
933 * tree.c (range_in_array_bounds_p): New predicate.
934 * tree.h (range_in_array_bounds_p): Declare it.
935 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
936 return a less conservative answer.
937 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
939 (IS_ELEMENT_FOR_GROUP): New macro.
940 (FOR_EACH_ACTUAL_CHILD): Likewise.
941 (next_child_for_group): New helper function.
942 (can_completely_scalarize_p): Take into account groups.
943 (sra_hash_tree): Handle RANGE_EXPR.
944 (sra_elt_eq): Likewise.
945 (lookup_element): Be prepared for handling groups.
946 (is_valid_const_index): Delete.
947 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
948 instead of is_valid_const_index.
949 <ARRAY_RANGE_REF>: New case.
950 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
951 is_valid_const_index.
952 <ARRAY_RANGE_REF>: Do not unconditionally punt.
953 (scan_dump): Dump info for groups too.
954 (decide_instantiation_1): Likewise.
955 (decide_block_copy): Assert that the element is not a group.
956 Propagate decision to groups.
957 (generate_one_element_ref): Handle RANGE_EXPR.
958 (mark_no_warning): Iterate over actual childs.
959 (generate_copy_inout): Likewise.
960 (generate_element_copy): Likewise.
961 (generate_element_zero): Likewise.
962 (generate_element_init_1): Likewise.
963 (dump_sra_elt_name): Handle RANGE_EXPR.
965 2006-07-03 Roger Sayle <roger@eyesopen.com>
967 PR tree-optimization/26251
968 * tree-ssa-threadupdate.c (redirection_block_p): New function.
969 (thread_block): When optimizing for size refuse to thread jumps
970 that would require duplication of blocks other than redirection
973 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
975 * configure.ac: Fix thinko in previous check-in.
976 * configure: Regenerate.
978 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
981 * configure.ac (for lang...): Simplify nesting of conditionals.
982 Test subdir_requires for non-enabled languages. Move processing
983 of lang_opt_files and lang_tree_fiels below that test.
984 * configure: Regenerate.
985 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
987 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
989 * doc/gcov.texi (Invoking Gcov): Add a missing word.
991 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
993 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
996 2006-06-29 Jason Merrill <jason@redhat.com>
1003 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1004 * c-common.c (c_determine_visibility): Handle it here.
1005 * c-decl.c (finish_decl): Call c_determine_visibility for
1007 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1009 * varasm.c (default_assemble_visibility): Likewise.
1010 * c-common.c (handle_visibility_attribute): Complain about trying
1011 to give visibility to an already defined class, or trying to change
1012 declared visibility. Always attach the attribute.
1017 * attribs.c (decl_attributes): Ignore type-in-place attributes
1018 once the type has been defined.
1020 2006-06-29 Roger Sayle <roger@eyesopen.com>
1023 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1024 to indicate the cpplib has issued an error message for us.
1026 2006-06-29 Asher Langton <langton2@llnl.gov>
1029 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1030 insert a label at the end of an function under Mach-O.
1032 2006-06-29 Eric Christopher <echristo@apple.com>
1033 Evan Cheng <evan.cheng@apple.com>
1035 * predicates.md (vector_all_ones_operand): New.
1036 (nonimmediate_or_sse_const_operand): Ditto.
1037 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1038 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1039 (standard_sse_mode_p): Ditto.
1040 (standard_sse_constant_p): Add case for -1 vector.
1041 (ix86_expand_vector_move): Try to use.
1042 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1043 Call standard_sse_constant_opcode.
1044 (*movv4sf_internal): Ditto.
1045 (*movv2df_internal): Ditto.
1047 2006-06-29 Roger Sayle <roger@eyesopen.com>
1049 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1050 of XEXP to extract the operands of a MATCH_CODE rtx.
1052 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1054 * tree.c (tree_size): Do not waste tail padding in
1055 struct tree_string and make the size be the same as
1056 build_string will generate.
1058 2006-06-28 Jason Merrill <jason@redhat.com>
1061 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1062 may_aliases already in the tag's annotations to the bitmap.
1064 2006-06-28 Roger Sayle <roger@eyesopen.com>
1066 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1068 2006-06-28 Roger Sayle <roger@eyesopen.com>
1070 * genpreds.c (generate_switch_p): New function.
1071 (add_mode_tests): Push the new mode test down inside an AND expr
1072 if this allows the switch-suitable MATCH_CODE to be near the root.
1073 (write_match_code_switch): New function to write a MATCH_CODE as
1075 (write_predicate_stmts): New function to write a predicate RTX
1076 expression as a sequence of statements.
1077 (write_one_predicate_function): Use write_predicate_stmts.
1078 (write_tm_constrs_h): Likewise.
1080 2006-06-26 Fred Fish <fnf@specifix.com>
1082 * config/mips/t-sb1: New file.
1083 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1086 2006-06-26 DJ Delorie <dj@redhat.com>
1088 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1090 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1091 Jayant Sonar <jayants@kpitcummins.com>
1092 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1094 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1095 (subsi3, subsi3_1, subsi3_2): New.
1096 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1097 * config/m32c/mov.md (SI mov peephole): New.
1098 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1099 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1101 2006-06-26 Olivier Hainque <hainque@adacore.com>
1103 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1104 a CALL_EXPR target function declaration.
1106 2006-06-26 Richard Guenther <rguenther@suse.de>
1108 * tree.c (build_string): Do not waste tail padding in
1111 2006-06-26 Richard Guenther <rguenther@suse.de>
1113 * ggc-page.c (init_ggc): Add missing element to size_lookup
1117 2006-06-23 Richard Guenther <rguenther@suse.de>
1119 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1120 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1121 alignment requests instead. Add verification code.
1122 Add struct tree_function_decl and struct tree_binfo size to
1123 extra_order_size_table. Add missing element to size_lookup
1126 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1129 * fold-const.c (const_binop): Be prepared for self returning zero.
1130 Simplify code handling complex values.
1132 2006-06-24 Olivier Hainque <hainque@adacore.com>
1134 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1135 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1138 2006-06-24 Olivier Hainque <hainque@adacore.com>
1140 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1141 ARRAY_REF, so have the callback called for the low bound expression.
1143 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1145 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1146 * c-typeck.c (c_common_type): Disallow operations on decimal float
1147 types and other float types.
1148 * convert.c (convert_to_real): Don't ignore conversions involving
1149 decimal float types.
1151 2006-06-23 Olivier Hainque <hainque@adacore.com>
1153 * tree.c (max_int_size_in_bytes): New function, inspired from
1154 code in function.c:assign_temp.
1155 * tree.h (max_int_size_in_bytes): Declare.
1156 * function.c (assign_temp): Use it.
1157 * gimplify.c (create_tmp_var): Relax the assertions on the type
1158 properties, not mandating constant size any more.
1159 (force_constant_size): New static function.
1160 (gimple_add_tmp_var): Use it, forcing variable size to a
1161 constant upper bound if it is not constant on entry.
1163 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1166 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1167 for initialization and setting of one_only flag to ...
1168 (i386_pe_encode_section_info): ...here.
1169 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1170 Recheck that the symbol has not been defined.
1172 2006-06-23 Richard Guenther <rguenther@suse.de>
1174 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1175 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1176 alignment requests instead. Add verification code.
1177 Add struct tree_function_decl and struct tree_binfo size to
1178 extra_order_size_table. Add missing element to size_lookup
1181 2006-06-22 Roger Sayle <roger@eyesopen.com>
1182 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1185 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1186 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1188 2006-06-23 Ben Elliston <bje@au.ibm.com>
1190 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1191 negate dn -- manipulate it directly.
1193 2006-06-22 Roger Sayle <roger@eyesopen.com>
1194 Steven Bosscher <stevenb.gcc@gmail.com>
1197 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1198 generated by gen_move_insn to add REG_LABEL notes if necessary.
1200 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1202 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1203 (leaf_entry): Remove use of MIN_ESA.
1205 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1207 PR rtl-optimization/28121
1208 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1211 2006-06-21 DJ Delorie <dj@redhat.com>
1213 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1215 (mulhisi3_r): Likewise.
1217 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1220 * coverage.c (coverage_counter_alloc): Leave the index type
1222 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1225 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1227 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1228 section from the "Options for Code Generation Conventions".
1230 2006-06-21 Richard Henderson <rth@redhat.com>
1234 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1236 (global_symbolic_operand): Allow weak symbols, even if local_p.
1238 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1240 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1241 (find_interesting_uses_address): Punt if above function returns true.
1243 2006-06-21 Richard Guenther <rguenther@suse.de>
1245 * configure: Regenerated.
1247 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1249 * config/mips/mips.c (function_arg): Where one part of a
1250 complex argument is in registers and the other part in the stack,
1251 return a REG not a PARALLEL.
1253 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1255 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1256 when cross-compiling. Do not substitute libstdcxx_incdir.
1257 * configure: Regenerated.
1259 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1261 * varasm.c (mergeable_string_section): Check for embedded NULs and
1262 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1263 rather than TREE_STRING_LENGTH bytes.
1265 2006-06-21 Richard Guenther <rguenther@suse.de>
1267 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1268 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1271 2006-06-21 Richrad Guenther <rguenther@suse.de>
1273 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1274 Limit iteration over the dominators.
1276 2006-06-20 Roger Sayle <roger@eyesopen.com>
1278 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1279 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1281 2006-06-20 Richard Guenther <rguenther@suse.de>
1282 Michael Matz <matz@suse.de>
1284 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1286 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1287 * et-forest.h (et_free_pools): Prototype new function.
1288 * et-forest.c (et_free_tree_force): Free parent occurrence.
1289 (et_free_pools): New function.
1290 * dominance.c (free_dominance_info): Free et-forest alloc
1293 2006-06-20 Roger Sayle <roger@eyesopen.com>
1295 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1296 integer modes, attempt to directly construct an integer constant.
1298 * fold-const.c (native_encode_vector): Determine the size of each
1299 element from the vector type instead of the first vector element.
1301 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1302 if all of its elements/components are constant.
1303 (build_constructor_from_list): Likewise.
1305 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1307 PR tree-optimization/27331
1308 * tree-data-ref.c (free_data_ref): New function.
1309 (create_data_ref): Fail if the data reference has unknown access
1311 (free_data_refs): Use free_data_ref.
1313 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1316 * tree-inline.c (setup_one_parameter): Strip useless
1317 type conversion before adding it to the IR.
1318 (declare_return_variable): Likewise.
1320 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1323 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1325 2006-06-19 Mike Stump <mrs@apple.com>
1327 * tree.c (variably_modified_type_p): VM arguments don't make the
1330 2006-06-19 Richard Guenther <rguenther@suse.de>
1332 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1333 type conversions after folding.
1335 2006-06-19 Richard Guenther <rguenther@suse.de>
1337 * ggc-page.c (extra_order_size_tab): Add entries with
1338 size of struct function and basic_block.
1339 (size_lookup): Extend to cover sizes up to 511.
1340 (ggc_alloc_stat): Adjust user.
1341 (ggc_pch_count_object): Likewise.
1342 (ggc_pch_alloc_object): Likewise.
1343 (ggc_pch_write_object): Likewise.
1345 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1347 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1348 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1351 2006-06-19 Denis Chertykov <denisc@overta.ru>
1353 * config/avr/libgcc.S : Correct my wrong previous commit.
1355 2006-06-19 Roger Sayle <roger@eyesopen.com>
1358 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1359 have stripped a SUBREG from the shift count, so we may need to
1360 convert_to_mode back to the type's mode before calling make_tree.
1361 Use new_amount instead of amount to avoid expanding a tree twice.
1363 2006-06-19 Richard Guenther <rguenther@suse.de>
1366 * fold-const.c (operand_equal_p): Check if the argument types
1367 have the same precision before stripping NOPs.
1369 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1371 Fix PR tree-optimization/27341
1372 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1374 * tree-complex.c (pass_lower_complex): Update SMT usage.
1376 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1378 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1379 Add a new alternative to the constraint strings. Add move of
1380 operand 1 to 3 to the splitter definition.
1381 ("doloop_si_long"): Second contraint alternative removed.
1383 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1385 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1386 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1388 (AVR_HAVE_MOVW) Define.
1389 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1390 (ASM_SPEC): Add avr25.
1391 (LINK_SPEC): Add avr25.
1392 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1393 (base_arch_s): Add new member 'have_movw_lpmx'.
1394 (avr_arch_types): Init 'have_movw_lpmx'.
1395 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1396 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1397 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1398 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1399 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1401 (avr_file_start): Do not output '.arh' derective.
1402 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1403 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1404 * config/avr/avr.md (mcu_enhanced): Delete.
1405 (mcu_have_movw): Define.
1406 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1407 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1408 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1409 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1410 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1411 attiny861 and at86rf401 devices.
1413 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1415 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1418 2006-06-17 Karl Berry <karl@gnu.org>
1420 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1421 doc/gccint.texi, doc/install.texi (@dircategory): Use
1422 "Software development" instead of "Programming", following
1423 the Free Software Directory.
1425 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1427 * config/i386/i386.c (legitimate_tls_address)
1428 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1429 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1430 (*tls_dynamic_gnu2_combine_64): Likewise.
1432 2006-06-16 Richard Guenther <rguenther@suse.de>
1435 * fold-const.c (negate_expr_p): Do not introduce undefined
1436 overflow in negating INTEGER_CSTs.
1437 (fold_negate_expr): Rename from negate_expr. Revert last
1438 change for folding BIT_NOT_EXPR. Change semantics to
1439 return NULL_TREE for non-simplified negations. Do not
1440 strip type conversions and unify type handling.
1441 (negate_expr): New function, wrap around fold_negate_expr
1442 but ensure building a tree always. Strip type conversions
1443 here, fold to result type.
1444 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1446 2006-06-16 Roger Sayle <roger@eyesopen.com>
1449 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1450 that (would) return their results in stack registers.
1452 2006-06-16 Michael Matz <matz@suse.de>
1453 Richard Guenther <rguenther@suse.de>
1455 * fold-const.c (fold_truthop): Only return new tree node if
1456 we canonicalized something.
1458 2006-06-16 Richard Guenther <rguenther@suse.de>
1460 * function.h (enum function_frequency): Move declaration
1461 out of struct function.
1462 (struct function): Move bool fields and the enum to the bitfield
1463 section. Reorder elements to avoid padding. Remove unused
1464 fields left over from the RTL inliner removal.
1465 * function.c (free_after_compilation): Do not zero removed fields.
1466 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1467 (ipa-type-escape.o): Likewise.
1469 2006-06-16 Richard Guenther <rguenther@suse.de>
1471 * cgraph.h (struct cgraph_local_info): Turn bool elements
1473 (struct cgraph_node): Likewise.
1474 (struct cgraph_varpool_node): Likewise.
1476 2006-06-15 Richard Guenther <rguenther@suse.de>
1478 * fold-const.c (fold_truth_not_expr): Rename from
1479 invert_truthvalue. Give it fold_* semantics to avoid
1481 (invert_truthvalue): New function. Wrapper around
1482 fold_truth_not_expr.
1483 (optimize_minmax_comparison): Avoid creating garbage.
1484 (fold_unary): Use fold_truth_not_expr for folding
1486 (fold_ternary): Replace uses of invert_truthvalue with
1487 fold_truth_not_expr where applicable.
1488 * tree.h (fold_truth_not_expr): Prototype.
1490 2006-06-16 Richard Guenther <rguenther@suse.de>
1492 PR tree-optimization/27781
1493 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1494 * ipa-pure-const.c (target.h): Include.
1495 (analyze_function): Do not analyze functions that do not
1498 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1501 * tree-dfa.c (referenced_vars_dup_list): Remove.
1502 (find_referenced_vars): Remove assert.
1503 (referenced_var_check_and_insert): Replace dup list with assert.
1504 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1505 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1507 2006-06-15 Richard Guenther <rguenther@suse.de>
1509 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1510 extra unused identifiers if not dumping.
1511 (create_variable_info_for): Likewise.
1513 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1515 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1516 (derive_constant_upper_bound): Derive more precise upper bound in
1517 common cases. Return type changed to double_int.
1518 (record_estimate): Reflect the changed return type of
1519 derive_constant_upper_bound.
1520 * double-int.c (double_int_zext, double_int_sext): Fix.
1522 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1524 * configure.ac (CFLAGS): Get them from the toplevel or from the
1525 configure invocation.
1526 * configure: Regenerate.
1527 * Makefile.in (CFLAGS): Substitute value provided by configure.
1529 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1532 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1533 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1534 rather than calling add_stmt on it.
1535 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1537 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1540 * reload1.c (reload): Remove registers returned by update_eliminables
1541 from used_spill_regs.
1543 2006-06-13 DJ Delorie <dj@redhat.com>
1545 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1547 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1549 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1550 html__strip_dir, html__mkdir_p. Enhance install-html target.
1551 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1552 * configure: Regenerate.
1554 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1556 * fold-const.c (fold_cond_expr_with_comparison): Check for
1557 Objective-C++ as language in deciding COND_EXPR transformation.
1559 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1562 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1563 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1564 * config/sh/lib1funcs.h (SL, SL1): Define.
1565 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1566 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1567 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1568 (OBJS_Os_4_200): New variable.
1569 ($(T)libgcc-Os-4-200.a): Use it.
1570 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1571 when dividing 1 and/or by 0.
1573 2006-06-13 Roger Sayle <roger@eyesopen.com>
1575 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1576 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1577 * configure: Regenerate.
1579 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1581 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1582 for real instruction.
1584 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1587 * haifa-sched.c (check_cfg): Handle special case.
1589 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1592 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1593 Add debug_info parameter. Chain the vars to the BLOCK instead
1594 of the BIND_EXPR if debug info are requested for them.
1595 (pop_gimplify_context): Adjust for above change.
1596 (gimple_add_tmp_var): Likewise.
1597 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1599 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1600 (convert_local_reference): Likewise.
1601 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1602 (finalize_nesting_tree_1): Request that debug info be emitted
1603 for debug_var_chain.
1605 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1607 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1608 for PR target/27863.
1610 2006-06-13 Richard Guenther <rguenther@suse.de>
1613 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1615 2006-06-13 Richard Guenther <rguenther@suse.de>
1617 PR tree-optimization/27830
1618 * tree-inline.c (copy_body_r): For copying the operand
1619 of an ADDR_EXPR make sure to fold &* afterwards.
1621 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1623 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1624 lvalues in the fb_none case with side-effects.
1626 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1628 * tree-flow.h: Remove the prototype for
1629 compute_phi_arg_on_exit.
1630 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1631 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1634 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1636 * builtins.c (expand_builtin_return_addr): Only use
1637 frame_pointer_rtx when count == 0 and we are expanding
1638 __builtin_return_address.
1640 2006-06-12 Fred Fish <fnf@specifix.com>
1642 * config/mips/mips.c (mips_file_start): Create special section
1643 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1645 2006-06-11 Eric Christopher <echristo@apple.com>
1648 * stor-layout.c (place_field): Remove check for
1649 remaining_in_alignment when aligning at the end of a run.
1651 2006-06-11 Eric Christopher <echristo@apple.com>
1654 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1657 2006-06-11 Roger Sayle <roger@eyesopen.com>
1660 Revert incorrect fix for PR target/27158
1661 2006-05-08 Roger Sayle <roger@eyesopen.com>
1662 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1663 of a reg_equiv_constant if the result is a legitimate constant.
1665 2006-06-11 Roger Sayle <roger@eyesopen.com>
1668 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1669 extract a CONST_VECTOR element and interpret it as an integer.
1670 (vspltis_constant): Use const_vector_elt_as_int instead of the
1671 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1672 * config/rs6000/predicates.md (easy_vector_const): Consider
1673 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1675 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1678 * stor-layout.c (update_alignment_for_field): Don't add extra
1679 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1682 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1684 * config/mips/t-rtems: Add EL/EB multilib variants.
1686 2006-06-09 Mike Stump <mrs@apple.com>
1688 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1690 2006-06-09 David Daney <ddaney@avtrex.com>
1692 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1694 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1696 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1698 2006-06-09 Richard Guenther <rguenther@suse.de>
1700 PR tree-optimization/26998
1701 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1702 of signed types, only TYPE_MIN_VALUE is special, but for both,
1703 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1704 in this case, as is -fwrapv.
1706 2006-06-08 Mike Stump <mrs@apple.com>
1709 * config/darwin.c (darwin_asm_output_anchor): Disable
1710 -fsection-anchors on darwin for now.
1711 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1712 * rs6000/rs6000.c (optimization_options): Likewise.
1714 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1717 * config/i386/i386.c (classify_argument): Skip fields with invalid
1720 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1722 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1723 (cse_insn): Likewise for the stack_pointer_rtx.
1725 2006-06-08 Roger Sayle <roger@eyesopen.com>
1727 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1728 conditions from floating point comparisons.
1730 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1733 * expmed.c (struct alg_hash_entry): Fix type of field T
1734 to match synth_mult argument.
1735 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1737 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1740 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1743 2006-06-08 Richard Guenther <rguenther@suse.de>
1746 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1747 only, if overflow is defined and not trapping.
1748 (negate_expr): Likewise.
1750 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1752 PR tree-optimization/27872
1753 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1754 flag on the new exit edge of the unrolled loop.
1756 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1758 PR rtl-optimization/26449
1759 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1761 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1764 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1765 referenced_variables with matching DECL_UID's.
1766 (find_referenced_vars): Make sure duplicate list is empty to start.
1767 (referenced_var_p): Remove.
1768 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1769 Check if var is in the list, and add if needed. Update the duplicate
1770 list if a different var is in the list with the same DECL_UID.
1771 (add_referenced_var): Call routine to check and insert.
1772 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1773 * tree-flow.h (referenced_vars_dup_list): External declaration.
1775 2006-06-07 Fred Fish <fnf@specifix.com>
1777 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1780 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1783 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1784 the imaginary and real parts of a clobbered register.
1785 Emit insn to set the imaginary part.
1787 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1789 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1790 in lieu of unwind-dw2-fde.c.
1792 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1794 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1796 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1799 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1800 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1801 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1802 V4SImode temporaries and operations instead.
1804 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1806 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1809 2006-06-06 Mike Stump <mrs@apple.com>
1811 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1812 installing during build.
1814 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1816 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1818 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1819 * config/ia64/ia64.c (params.h): New header.
1820 (ia64_optimization_options): New function to adjust parameters.
1821 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1822 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1823 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1825 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1827 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1829 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1832 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1834 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1835 Victor Kaplansky <victork@il.ibm.com>
1837 PR tree-optimization/26360
1838 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1841 2006-06-04 Roger Sayle <roger@eyesopen.com>
1842 Andrew Pinski <pinskia@physics.uc.edu>
1845 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1846 for LABEL_DECL before calling DECL_WEAK.
1849 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1850 LABEL_DECL and PARM_DECL.
1852 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1856 * c-decl.c (grokdeclarator): Disallow variably modified types at
1857 file scope. Avoid marking shared array type of constant size as
1860 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1863 * c-common.c (fold_offsetof_1): Handle static members.
1865 2006-06-04 Eric Christopher <echristo@apple.com>
1867 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1868 (debug_rli): Output value for remaining_in_alignment.
1869 (update_alignment_for_field): Unconditionalize
1870 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1871 extra alignment code.
1872 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1873 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1874 * tree.h (record_layout_info_s): Remove prev_packed.
1875 * doc/extend.texi (ms_struct): Add documentation of format.
1877 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1879 * tree.h: Declare folding_initializer.
1880 * builtins.c (fold_builtin_constant_p): Give definite answer
1881 if folding inside an initializer.
1882 * fold-const.c: Define folding_initializer.
1883 (START_FOLD_INIT): Save and then set folding_initializer.
1884 (END_FOLD_INIT): Restore folding_initializer.
1886 2006-06-04 Richard Guenther <rguenther@suse.de>
1888 PR tree-optimization/27039
1889 * fold-const.c (fold_comparison): Handle pointer comparison
1890 again for all comparison codes. Compare offsets in signed
1892 (fold_binary): Move code from here.
1894 2006-06-03 Roger Sayle <roger@eyesopen.com>
1897 * config/i386/i386.c (construct_container): Split static issued_error
1898 flag into issued_sse_arg_error, issued_sse_ret_error and
1899 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1900 requires the use of x87 registers and the user explicitly
1901 specified the -mno-80387 command line option.
1903 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1905 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1906 HAVE_DECL_SIGALTSTACK.
1908 (segv_handler): Use MC_FLD.
1909 * configure.ac: Check for a sigaltstack declaration.
1910 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1911 * configure: Regenerate.
1912 * config.in: Regenerate.
1914 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1917 * Makefile.in (stmp-fixinc): Fix typo.
1919 2006-06-02 Roger Sayle <roger@eyesopen.com>
1921 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1922 are type correct. Clean-up.
1923 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1924 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1926 2006-06-01 DJ Delorie <dj@redhat.com>
1928 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1929 shift, as we've disabled the "switch" insn that needs it.
1931 2006-06-01 Per Bothner <bothner@bothner.com>
1933 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1934 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1935 * c-ppoutput.c (cb_define): Don't increment line 0.
1937 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1939 * doc/invoke.texi: Add cpu_type power6.
1940 * config.gcc: Add cpu_type power6.
1941 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1942 to power5+ with Altivec.
1943 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1944 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1946 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1948 * config/avr/avr.h (SET_ASM_OP): Define.
1950 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1952 * config/bfin/bfin.c: Fix comment typos.
1954 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1957 * doc/install.texi: Document --enable-bootstrap and
1958 --disable-bootstrap.
1960 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1962 * doc/install.texi: Document that InfoZIP can replace jar.
1964 2006-05-31 Roger Sayle <roger@eyesopen.com>
1966 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1967 isn't available, directly generate the simpler x87 patterns without
1968 the (use (const_int 0)).
1969 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1970 implementation isn't available.
1971 (*negdf2_1): Likewise.
1972 (*negxf2_1): XF mode negation is always done using the x87.
1973 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1975 2006-05-31 Roger Sayle <roger@eyesopen.com>
1977 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1978 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1980 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1982 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1984 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1985 * config/bfin/bfin.c (basic-block.h): Include.
1986 (struct machine_function): New.
1987 (bfin_init_machine_status): New.
1988 (override_options): Initialize init_machine_status.
1989 (bfin_hardware_loop): New.
1990 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1991 (DEF_VEC_P (loop_info)): New.
1992 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1993 (struct loop_info): New.
1994 (loop_info): New typedef.
1995 (struct loop_work): New.
1996 (loop_work): New typedef.
1997 (DEF_VEC_O (loop_work)): New.
1998 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1999 (bfin_dump_loops): New.
2000 (bfin_bb_in_loop): New.
2001 (bfin_scan_loop): New.
2002 (bfin_optimize_loop): New.
2003 (bfin_reorg_loops): New.
2004 (bfin_reorg): Use bfin_reorg_loops.
2005 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2007 (I_REGNO_P): Simplify.
2008 (DP_REGNO_P, DPREG_P): New macros.
2009 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2010 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2011 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2012 Add LT_REGS, LC_REGS, LB_REGS.
2013 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2015 (REGNO_REG_CLASS): Deal with loop registers.
2016 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2018 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2019 New constants for loop registers.
2020 (UNSPEC_LSETUP_END): New.
2021 (seq_insns): New define_attr. Set it for appropriate insns.
2022 (movsi_insn): Add alternatives for move from/to
2023 loop count registers.
2024 (doloop_end): New define_expand.
2025 (loop_end): New define_insn.
2026 (define_split for bad doloop_end): New.
2027 (lsetup_with_autoinit): New define_insn.
2028 (lsetup_without_autoinit): New define_insn.
2029 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2030 * config/bfin/predicates.md (lc_register_operand): New.
2031 (lt_register_operand): New.
2032 (lb_register_operand): New.
2033 (nondp_register_operand): New.
2034 (nondp_reg_or_memory_operand): New.
2035 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2037 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2039 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2040 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2042 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2044 * Makefile.in (CATALOGS): Add po/ prefix.
2045 * configure: Regenerated.
2047 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2050 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2051 a shift operand before calling shift_op. Avoid redundant call of
2054 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2055 DJ Delorie <dj@redhat.com>
2057 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2058 we're inserting is a singlt-bit constant.
2060 2006-05-30 Roger Sayle <roger@eyesopen.com>
2062 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2063 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2065 2006-05-30 Roger Sayle <roger@eyesopen.com>
2067 PR tree-optimization/23452
2068 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2069 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2070 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2071 complex values and with -ffast-math for FP complex values.
2073 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2075 * c-common.h: Remove the prototype for yyparse.
2076 * rtl.h: Remove the prototype for init_loop.
2078 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2080 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2083 2006-05-30 Roger Sayle <roger@eyesopen.com>
2085 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2087 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2088 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2090 2006-05-30 Dirk Mueller <dmueller@suse.de>
2093 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2094 for CONSTANT_CLASS_P expresisons.
2096 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2099 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2101 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2103 PR tree-optimization/27779
2104 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2105 initial_condition instead of CHREC_LEFT.
2107 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2109 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2110 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2111 Make prototypes ISO C90.
2113 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2114 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2116 * see.c (see_analyze_one_def): Correct check.
2117 (see_get_extension_data): Check if extension is parallel.
2118 (see_get_extension_reg): Likewise.
2120 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2123 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2124 into register for (code == GTU).
2126 2006-05-29 Roger Sayle <roger@eyesopen.com>
2128 PR tree-optimization/24964
2129 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2130 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2131 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2132 abs(x)*abs(x) as x*x for scalar floating point modes.
2134 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2137 * lambda-code.c (perfect_nestify): Don't copy statements
2138 in the inner loop: move them to the inner loop header.
2140 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2143 * c-tree.texi: Document OpenMP directives and clauses.
2145 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2147 * varasm.c (globalize_decl): Fix indentation.
2149 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2152 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2153 pass_fre, pass_store_ccp, pass_copy_prop,
2154 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2155 pass_return_slot, pass_object_size, pass_lim,
2156 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2157 pass_loop_prefetch and pass_stdarg.
2159 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2161 * config/bfin/bfin.opt (mfdpic): New option.
2162 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2163 (EXTRA_MULTILIB_PARTS): Likewise.
2164 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2165 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2167 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2168 (CRT_CALL_STATIC_FUNCTION): New.
2169 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2171 (CRT_CALL_STATIC_FUNCTION): New.
2172 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2174 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2175 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2176 (initialize_trampoline): Changed to handle FD-PIC code generation.
2177 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2178 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2179 (override_options): Disallow -mid-shared-library -mfdpic combination.
2180 Can't do unaligned ops if FD-PIC.
2181 Turn off flag_pic if trying to generate non-id-shared-library
2182 non-fdpic code, since it's not supported.
2183 (bfin_assemble_integer): New function.
2184 (TARGET_ASM_INTEGER): Define.
2185 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2187 * config/bfin/crtn.s: Restore them.
2188 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2190 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2191 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2192 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2193 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2194 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2196 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2197 FDPIC_REGS and FDPIC_FPTR_REGS.
2198 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2199 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2200 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2201 (load_funcdescsi): New pattern.
2202 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2203 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2204 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2206 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2208 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2211 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2213 * tree-flow.h: Remove the prototype for add_type_alias.
2214 * tree-ssa-alias.c (add_type_alias): Remove.
2216 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2218 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2219 config/fr30/fr30.md, config/i386/i386-interix.h,
2220 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2221 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2222 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2223 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2224 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2225 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2226 Follow spelling conventions.
2227 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2228 Follow spelling conventions.
2230 2006-05-27 Richard Guenther <rguenther@suse.de>
2233 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2234 to produce a constant of value 1 of generic type.
2236 2006-05-27 Dirk Mueller <dmueller@suse.de>
2238 * cgraphunit.c (decide_is_function_needed): Fix wrong
2241 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2243 PR rtl-optimization/27661
2244 * reload.c (find_reloads): When reloading a VOIDmode constant
2245 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2246 use Pmode as mode of the reload register.
2248 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2250 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2251 is enabled at -O and above.
2253 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2256 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2259 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2262 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2263 for anonymous variables explicitly declared by front ends.
2265 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2267 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2268 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2269 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2270 ref-all pointers, run a finalization pass for them.
2271 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2272 (finalize_ref_all_pointers): New function.
2273 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2274 regular pointer type to a ref-all pointer type.
2275 (get_tmt_for): Return the special memory tag for ref-all pointers.
2277 2006-05-25 Richard Guenther <rguenther@suse.de>
2280 * fold-const.c (fold_binary): Do not look at the stripped
2281 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2283 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2285 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2286 for LT and GT if the computed range is effectively empty.
2288 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2291 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2292 mips_quad_format formats instead of ieee_single_format,
2293 ieee_double_format and ieee_quad_format formats, respectively.
2295 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2297 PR tree-optimization/27639
2298 PR tree-optimization/26719
2299 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2300 call to scev_probably_wraps_p.
2301 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2302 used_in_pointer_arithmetic_p, convert_step): Removed.
2303 (nowrap_type_p): New function.
2304 (scev_probably_wraps_p): Rewritten.
2305 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2306 chrec_convert if chrec_convert_aggressive might have been used.
2307 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2308 scev_direction): New functions.
2309 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2310 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2311 instead of convert_step.
2312 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2313 (convert_step): Declaration removed.
2314 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2316 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2318 * df-core.c: Added to header comments.
2319 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2320 df_ur_bb_info, df_urec_bb_info): Added comments.
2321 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2322 urec, ri problems): Fixed header comments.
2323 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2324 code from df_rd_transfer_function.
2326 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2328 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2329 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2330 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2332 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2334 * expr.c (undefined_operand_subword_p): New.
2335 (emit_move_multi_word): Do not generate move from undefined bits
2336 of a paradoxical subreg.
2338 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2340 PR rtl-optimization/27736
2341 * combine.c (replaced_rhs_value): New variable.
2342 (combine_instructions): Set it.
2343 (distribute_notes): When distributing a note in replaced_rhs_insn,
2344 check whether the value was used in replaced_rhs_value.
2346 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2349 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2350 add_referenced_var instead of add_referenced_tmp_var.
2351 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2352 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2354 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2355 tree_optimize_tail_calls_1): Use add_referenced_var.
2356 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2357 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2358 Use add_referenced_var.
2359 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2360 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2361 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2362 Use add_referenced_var.
2363 * tree-dfa.c (struct walk_state): Remove.
2364 (find_referenced_vars): Remove walk state and vars_found hash table.
2365 (make_rename_temp): Use add_referenced_var.
2366 (find_vars_r): Pass less parameters to add_referenced_var.
2367 (referenced_var_p): New. Is var in referenced_var hash table.
2368 (referenced_var_insert): Assert var isn't already in hash table.
2369 (add_referenced_var): Don't need walk_state parameter. Add var if it
2370 isn't already in the hash table.
2371 (add_referenced_tmp_var): Remove.
2372 (find_new_referenced_vars_1): Use add_referenced_var.
2373 * tree-ssa-pre.c (create_expression_by_pieces,
2374 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2375 Use add_referenced_var.
2376 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2377 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2378 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2380 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2381 vect_create_data_ref_ptr, vect_create_destination_var,
2382 vect_init_vector, vect_build_loop_niters,
2383 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2384 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2385 Use add_referenced_var.
2386 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2387 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2388 (add_referenced_var): Add prototype.
2389 * tree-ssa-structalias.c (get_constraint_for,
2390 intra_create_variable_infos): Use add_referenced_var.
2392 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2394 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2395 big-endian paradoxical subregs.
2396 * var-tracking.c (struct micro_operation_def): Document that,
2397 for modify micro operations, insn is the subsequent instruction.
2398 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2399 (var_reg_set, var_mem_set): ... new functions.
2400 (add_stores): Record subsequent insn.
2401 (compute_bb_dataflow): Use new functions for MO_USE.
2402 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2403 notes after the insn, and modify notes before the insn known
2404 to be the subsequent one.
2405 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2407 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2410 * config/i386/i386.c (ix86_expand_builtin): Use
2411 gen_sse3_monitor64 for TARGET_64BIT.
2413 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2415 PR rtl-optimization/26375
2416 PR rtl-optimization/26855
2417 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2419 (df_ru_bb_local_compute): Reversed statements and removed bogus
2420 comment explaining why they should be in wrong order.
2421 (df_ru_dump, df_rd_dump): Enhanced debug info.
2422 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2424 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2425 reaching uses and fixed space problem.
2427 2006-05-23 Jan Hubicka <jh@suse.cz>
2429 * cgraphunit.c (decide_is_function_needed): Also nested functions
2430 and functions declared inline can be optimized out at -O0.
2432 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2434 * doc/install.texi (Configuration): Remove reference to CrossGCC
2438 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2441 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2442 ix86_compare_emitted is non-NULL.
2444 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2447 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2450 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2452 PR rtl-optimization/25514
2453 * combine.c (replaced_rhs_insn): New variable.
2454 (combine_instructions): Set replaced_rhs_insn when trying to replace
2455 a SET_SRC with a REG_EQUAL note.
2456 (distribute_notes): Use replaced_rhs_insn when determining the live
2457 range of a REG_DEAD register.
2459 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2460 Anatoly Sokolov <aesok@post.ru>
2462 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2463 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2464 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2465 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2466 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2467 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2468 at90usb647, at90usb1286 and at90usb1287 devices.
2469 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2470 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2472 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2474 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2476 2006-05-22 Richard Guenther <rguenther@suse.de>
2479 2006-01-31 Richard Guenther <rguenther@suse.de>
2480 Paolo Bonzini <bonzini@gnu.org>
2482 * doc/install.texi (--disable-libgcc-math): Document.
2484 2006-05-22 Richard Guenther <rguenther@suse.de>
2487 2006-01-31 Richard Guenther <rguenther@suse.de>
2489 * doc/invoke.texi (-msselibm): Document.
2490 * target.h (expand_library_builtin): New target hook.
2491 * builtins.c (expand_builtin): Use expand_library_builtin.
2492 (default_expand_library_builtin): New function.
2493 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2494 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2495 (link_gcc_math_spec): Declare.
2496 (static_specs): Add link_gcc_math_spec.
2497 * expr.h (default_expand_library_builtin): Declare.
2498 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2499 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2500 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2501 * config/i386/i386.opt (msselibm): New target option.
2502 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2503 (ix86_init_sse_abi_builtins): New function.
2504 (ix86_expand_library_builtin): Likewise.
2505 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2506 (override_options): Handle error conditions wrt -msselibm.
2507 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2508 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2509 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2512 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2515 * c-common.c (self_promoting_args_p): Skip erroneous args.
2518 * c-decl.c (finish_struct): Skip erroneous fields.
2520 2006-05-22 Nick Clifton <nickc@redhat.com>
2522 * config/cris/cris.opt (march): Remove VarExists attribute.
2523 (max-stackframe=): Likewise.
2525 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2527 * doc/rtl.texi: Fix a typo.
2528 * see.c: Fix comment typos.
2530 * tree-ssa-structalias.h (alias_info): Remove num_references.
2532 2006-05-21 Mike Stump <mrs@apple.com>
2534 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2536 (darwin_pragma_options): Use BAD instead.
2537 (darwin_pragma_unused): Likewise.
2538 (darwin_pragma_ms_struct): Likewise.
2540 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2542 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2544 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2546 PR rtl-optimization/27671
2547 * simplify-rtx.c (simplify_relational_operation_1): Fix
2548 simplifications of (eq/ne (xor x y) y) and
2549 (eq/ne (xor x y) x).
2551 PR tree-optimization/26622.
2552 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2555 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2557 * tree-cfg.c: Prune whitespace.
2558 (debug_tree_cfg): Point to correct header containing the
2561 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2564 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2566 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2569 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2570 or sorry count is non zero.
2572 2006-05-20 Andreas Schwab <schwab@suse.de>
2574 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2576 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2577 Kenneth Zadeck <zadeck@naturalbridge.com>
2579 PR rtl-optimization/26855
2581 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2583 (df_scan_alloc): Added code to properly handle multiword hard
2584 registers and add all_blocks parameter.
2585 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2586 code to properly handle multiword hard registers.
2587 (df_rescan_blocks): Added code to remove deleted blocks from
2589 (df_ref_create_structure, df_ref_record): Added code to properly
2591 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2592 and set DF_REF_PARTIAL.
2593 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2594 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2595 (df_scan_add_problem): Added flags parameter.
2596 (df_ref_create_structure): Changed switching structure.
2597 (df_bb_refs_record): Fixed case where duplicate artificial refs
2598 were created. Changed location of flags.
2599 (df_record_entry_block_defs): Added code to make stack pointer
2600 live in entry block. Refined cases where frame pointer is needed.
2601 Changed location of flags.
2602 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2603 (df_set_state): Removed function.
2604 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2605 df_insn_create_insn_record, df_insn_refs_delete,
2606 df_ref_create_structure): Formatting changes.
2607 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2608 df_delete_basic_block): New function.
2609 (df_init): Changed location of flags.
2610 (df_add_problem): Added flags parameter and the way flags are
2612 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2613 debug_df_chain): Improved debugging output.
2614 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2615 (df_refs_chain_dump): Removed df parameter.
2616 (df_iterative_dataflow): Added consistency check.
2617 (df_prune_to_subcfg): Made public.
2618 (df_analyze_problem): Added blocks_to_init parameter and made
2620 (df_ref_record, df_bb_refs_record, df_mark_reg,
2621 df_record_exit_block_uses): Whitespace changes.
2622 (df_dump): Whitespace changes.
2623 * df.h: Some reordering to remove forward references.
2624 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2625 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2626 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2627 (dataflow.flags): New field.
2628 (df.flag): Deleted field.
2629 (df_alloc_function): Added additional bitmap parameter.
2630 (df_dependent_problem_function): New type.
2631 (df_problem.changeable_flags): New field.
2632 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2633 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2634 (df_mw_hardreg): New struct.
2635 (DF_INSN_UID_MWS): New macro.
2636 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2638 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2639 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2640 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2641 (df_set_state): Removed function.
2642 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2643 * df-problems.c (df_chain_dump): Removed df parameter.
2644 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2645 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2647 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2648 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2649 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2650 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2651 DF_REF_MUST_CLOBBER cases.
2652 (df_ru_bb_local_compute_process_def,
2653 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2654 df_lr_bb_local_compute, df_ur_bb_local_compute,
2655 df_chain_create_bb): Made subreg aware.
2656 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2657 df_lr_bb_local_compute, df_lr_bb_local_compute,
2658 df_chain_create_bb): Cleanup to use proper macros.
2659 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2660 code to fixup bitvectors.
2661 (df_ri_alloc): Cleared lifetime.
2662 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2663 df_create_unused_note): New function.
2664 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2665 REG_DEAD and REG_UNUSED notes as well as register information.
2666 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2667 df_chains_dump): Fixed crash if problem was never run.
2668 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2669 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2670 df_ri_add_problem): Processes flags in uniform manner.
2671 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2672 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2673 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2674 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2675 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2676 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2677 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2678 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2679 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2680 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2681 * see.c (see_initialize_data): Ditto.
2682 * final.c (rest_of_clean_state) Added regstack_completed.
2683 * rtl.h (regstack_completed): Ditto.
2684 * reg-stack.c (regstack_completed): Ditto.
2686 2006-05-19 Mike Stump <mrs@apple.com>
2688 * c-tree.h (default_conversion): Remove.
2689 * c-common.h (default_conversion): Add.
2691 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2693 * tree-vrp.c (valid_value_p): New function.
2694 (adjust_range_with_scev): Fail if the value of bound is not
2697 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2699 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2700 (mips_fallback_frame_state): Use syscall numbers to determine
2701 the appropriate li instruction for the current ABI. Only use
2702 __NR_sigreturn for o32.
2704 2006-05-19 Nicolas Setton <setton@adacore.com>
2706 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2707 * langhooks.c (lhd_dwarf_name): New function.
2708 * langhooks-def.h (lhd_dwarf_name): Declare.
2709 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2710 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2711 * ada/misc.c (gnat_dwarf_name): New function.
2712 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2714 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2716 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2718 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2719 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2720 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2721 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2722 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2723 determine the size of Wtype, etc.
2724 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2725 (swfloatfuncs): New variable.
2726 (dwfloatfuncs): Likewise.
2727 (lib2funcs): Remove floating-point conversion functions from
2728 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2729 the set of conversion routines needed. Allow entries to specify
2730 an object name, filename and word size. Update users accordingly.
2731 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2732 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2736 2006-02-08 Roger Sayle <roger@eyesopen.com>
2739 * config/fixtfdi.c: New libgcc source file.
2740 * config/fixunstfdi.c: New source file.
2741 * config/floatditf.c: New source file.
2742 * config/floatunditf.c: New souce file.
2743 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2744 files above instead of config/mips/_tilib.c.
2745 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2747 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2749 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2750 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2752 2006-05-18 Mike Stump <mrs@apple.com>
2754 Fix up vla, vm and [*] sematics.
2760 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2761 (c_vla_unspec_p): Add.
2762 (c_vla_type_p): Add.
2763 * c-decl.c (struct c_scope): Add had_vla_unspec.
2764 (build_array_declarator): Add support for [*].
2765 (grokdeclarator): Likewise.
2766 (grokparms): Likewise.
2767 (get_parm_info): Likewise.
2768 * c-objc-common.c (c_vla_unspec_p): Likewise.
2769 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2770 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2771 typeof when argument is a variably modified type not inside sizeof or alignof.
2772 (c_parser_direct_declarator_inner): Propagate errors.
2773 (c_parser_sizeof_expression): Add support for [*].
2774 (c_parser_parms_declarator): Initialize had_vla_unspec.
2775 (c_parser_parms_list_declarator): Likewise.
2776 * c-typeck.c (c_vla_type_p): Add.
2777 (composite_type): Add support for vla compositing.
2778 (comptypes_internal): Add support for vla compatibility.
2779 (c_expr_sizeof_expr): Evaluate vla arguments.
2780 * tree.c (variably_modified_type_p): Update comment for [*].
2782 2006-05-18 Michael Matz <matz@suse.de>
2785 * config.host: Make assignments to host_xmake_file cumulative.
2786 * config.host (*-darwin*): Test $host, not $target.
2788 2006-05-12 Stuart Hastings <stuart@apple.com>
2790 * config/i386/i386.opt (-mstackrealign): New flag.
2791 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2792 (ix86_handle_cconv_attribute): Emit error when
2793 force_align_arg_pointer attribute collides with too many regparms.
2794 (ix86_function_regparm): Limit regparms when used with
2795 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2796 Support stack-realigning prologue in non-main functions. Emit
2797 warning for nested functions under -mstackrealign, emit error for
2798 nested functions with force_align_arg_pointer attribute.
2799 * doc/extend.texi (force_align_arg_pointer): Document it.
2800 * doc/invoke.texi (-mstackrealign): Document it.
2802 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2804 PR rtl-optimization/27477
2805 * combine.c (try_combine): Don't split a parallel consisting
2806 of two sets into two individual sets if both sets reference
2809 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2811 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2812 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2814 * doc/options.texi (VarExists): Updated.
2816 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2818 * unwind-dw2.c: Add declarations for uw_update_context and
2820 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2821 detected, advance frame state and context once to skip over stub.
2823 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2827 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2828 Call rewrite_into_loop_closed_ssa only when something changed.
2829 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2830 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2831 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2832 Test for perfect_nest_p here. Fix formating.
2833 (replace_uses_equiv_to_x_with_y): Fix formating.
2834 (stmt_uses_op): Removed.
2835 (can_convert_to_perfect_nest): Removed loopivs parameter.
2836 Complete the test by checking the scalar dependences.
2837 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2840 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2843 From Dan Kegel <dank@kegel.com>:
2844 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2846 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2848 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2849 if the element type is variably modified without recursing.
2851 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2854 * tree-loop-linear.c (try_interchange_loops): Test for
2855 no data dependences.
2857 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2859 PR tree-optimization/27548
2860 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2861 range of ssa names that appear on abnormal edges.
2862 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2863 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2865 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2868 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2870 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2873 * tree.h (OMP_PARALLEL_COMBINED): Define.
2874 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2875 (new_omp_context): Add is_combined_parallel argument.
2876 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2877 new_omp_context caller.
2878 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2879 Adjust gimplify_scan_omp_clauses callers.
2880 (omp_is_private): Issue errors if iteration variable is firstprivate
2881 or reduction in the current context.
2882 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2883 on combined parallel workshare constructs.
2885 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2887 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2888 (gcc-options.o): New rule.
2890 * optc-gen.awk: Protect variables for gcc-options.o with
2891 #ifdef GCC_DRIVER/#endif.
2893 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2895 Fix PR tree-optimization/27373
2896 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2897 (forward_propagate_addr_expr): Update call.
2899 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2901 * doc/options.texi: Move the Negative option.
2903 2006-05-16 Richard Guenther <rguenther@suse.de>
2905 PR tree-optimization/22303
2906 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2908 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2909 ccp_fold did not simplify the statement.
2911 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2914 * Makefile.in (GCC_OBJS): New.
2915 (OBJS-common): Add opts-common.o.
2916 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2917 (cpp$(exeext)): Likewise.
2918 (gcc.o): Also depend on opts.h.
2919 (opts-common.o): New.
2921 * common.opt (gcoff): Add Negative(gdwarf-2).
2922 (gdwarf-2): Add Negative(gstabs).
2923 (gstabs): Add Negative(gstabs+).
2924 (gstabs+): Add Negative(gvms).
2925 (gvms): Add Negative(gxcoff).
2926 (gxcoff): Add Negative(gxcoff+).
2927 (gxcoff+): Add Negative(gcoff).
2928 * config/i386/i386.opt (m32): Add Negative(m64).
2929 (m64): Add Negative(m32).
2931 * doc/options.texi: Document the Negative option.
2933 * gcc.c: Include "opts.h".
2934 (main): Call prune_options after expandargv.
2936 * optc-gen.awk: Generate common declarations for all flag
2937 variables in options.c. Output the neg_index field.
2939 * opts.c (find_opt): Moved to ...
2940 * opts-common.c: Here. New file.
2942 * opts.h (cl_option): Add a neg_index field.
2944 (prune_options): Likewise.
2946 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2949 * omp-low.c (expand_omp_parallel): Don't assert
2950 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2951 instead search for it.
2954 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2957 2006-05-16 Andreas Schwab <schwab@suse.de>
2959 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2962 2006-05-15 Roger Sayle <roger@eyesopen.com>
2965 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2966 integer constants other than zero are only legitimate on TARGET_64BIT.
2967 <CONST_VECTOR> Only zero vectors are legitimate.
2968 (ix86_cannot_force_const_mem): Integral and vector constants can
2969 always be put in the constant pool.
2971 2006-05-16 DJ Delorie <dj@redhat.com>
2973 * crtstuff.c (__dso_handle): Set section from
2974 TARGET_LBIGCC_SDATA_SECTION if defined.
2975 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2976 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2978 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2981 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2984 2006-05-16 Ben Elliston <bje@au.ibm.com>
2986 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2988 2006-05-15 Per Bothner <per@bothner.com>
2990 * tree.c: (last_annotated_node): Use source_locus typedef.
2991 This permits bootstrapping with --enable-mapped-location.
2993 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2995 PR tree-optimization/26830
2996 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2997 (info_for_ssa_name, current_info_for_ssa_name_age,
2998 blocks_to_update): New variables.
2999 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3000 (clear_ssa_name_info, initialize_flags_in_bb,
3001 mark_block_for_update): New functions.
3002 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3003 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3004 prepare_def_site_for): Use mark_block_for_update.
3005 (mark_def_interesting): Assert that the processed block is marked in
3006 blocks_to_update. Do not take blocks argument.
3007 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3009 (rewrite_update_init_block, rewrite_update_stmt): Only process
3010 blocks with statements to rewrite.
3011 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3012 (update_ssa): Initialize and free blocks_to_update. Do not
3013 clear flags on statements. Do not use blocks bitmap.
3014 * tree.h (SSA_NAME_AUX): Removed.
3015 (struct tree_ssa_name): Removed aux field.
3016 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3018 2006-05-15 Richard Guenther <rguenther@suse.de>
3020 PR tree-optimization/27603
3021 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3022 Do computations in original type.
3024 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3026 * see.c: Code style changes such as redundant paranthesis,
3027 redundant intialization of local variables etc.
3028 (see_main): Declared now as static.
3029 * doc/invoke.texi: Update that -fsee is not enabled by
3032 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3034 * omp-low.c (check_omp_nesting_restrictions): New function.
3035 (scan_omp_1): Call it.
3038 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3039 construct, return *VAR.
3041 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3043 PR rtl-optimization/27406
3044 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3047 2006-05-14 Roger Sayle <roger@eyesopen.com>
3049 PR rtl-optimization/27538
3050 * combine.c (expand_compound_operation): Call gen_lowpart
3051 before calling simplify_shift_const.
3053 2006-05-14 Roger Sayle <roger@eyesopen.com>
3055 PR rtl-optimization/22563
3056 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3057 a fixed width bitfield, always force the intermediates into psuedos.
3059 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3062 * mkconfig.sh: Use operator = instead of == for test.
3064 2006-05-13 Nick Clifton <nickc@redhat.com>
3066 * dwarf2out.c (dbx_reg_number): Check return value from
3067 LEAF_REG_REMAP and only use it if it is valid.
3068 (multiple_reg_loc_descriptor): Likewise.
3070 2006-05-13 Richard Guenther <rguenther@suse.de>
3072 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3075 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3077 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3078 information attached to non-INSNs such as NOTEs.
3079 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3081 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3083 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3085 * config/s390/s390.md: Adjust comment describing On constraint.
3087 2006-05-11 Jan Hubicka <jh@suse.cz>
3089 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3090 to be output at -O0.
3092 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3095 * fold-const.c (size_binop): Move sanity check for arguments to
3096 the beginning of the function.
3099 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3102 2006-05-11 Richard Guenther <rguenther@suse.de>
3105 * fold-const.c (fold_unary): Handle intermediate conversion
3106 to a pointer type like intermediate conversion to an integer
3107 type in folding of (T1)(T2)var to var.
3108 Match the code to the comment in the final conversion for
3109 (T1)(T2)var to (T1)var regarding to type precision. Rather
3110 than disallow T1 being of pointer type, assert that both T1
3111 and var are of pointer type or not. Make sure not to fall
3112 over the frontends lazyness wrt array to pointer decay though.
3114 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3116 * arm.c (arm_struct_value_rtx): Delete.
3117 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3118 (arm_init_cumulative_args): Always initialize nregs to zero.
3120 2006-05-10 Richard Guenther <rguenther@suse.de>
3122 PR tree-optimization/27532
3123 * tree-object-size.c (plus_expr_object_size): Fix typo.
3125 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3128 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3129 ashrdi_const, ashrdi3): Use a scratch register.
3131 2006-05-10 Richard Guenther <rguenther@suse.de>
3133 PR tree-optimization/27302
3134 * fold-const.c (operand_equal_p): For two comparisons,
3135 try comparison of one comparison code swapped if that yields
3138 2006-05-10 Ben Elliston <bje@au.ibm.com>
3140 * tree-pretty-print.c (pretty_print_string): No need to handle
3141 '\0' as a special character.
3143 * tree.h: Include "hashtab.h".
3144 (iterative_hash_expr): Use hashval_t in its prototype.
3145 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3147 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3150 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3151 (hppa*64*-*-hpux11*): Ditto.
3152 (hppa[12]*-*-hpux11*): Ditto.
3154 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3157 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3159 2006-05-09 Michael Matz <matz@suse.de>
3161 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3162 host_extra_gcc_objs and host_xmake_file.
3163 (<*-*-linux*>): Don't overwrite host_xmake_file.
3164 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3165 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3166 (host_detect_local_cpu): Declare.
3167 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3168 * config/i386/i386.c (override_options): Handle -mtune=native
3170 * config/i386/x-i386: New file.
3171 * config/i386/driver-i386.c: New file.
3172 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3175 2006-05-09 Dirk Mueller <dmueller@suse.de>
3176 Richard Guenther <rguenther@suse.de>
3179 * fold-const.c (fold_read_from_constant_string): Relax check
3180 for matching types to matching modes.
3182 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3184 PR rtl-optimization/27335
3185 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3188 2006-05-08 Chao-ying Fu <fu@mips.com>
3189 Richard Sandiford <richard@codesourcery.com>
3191 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3192 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3193 * config/mips/mips.md (UNSPEC_SCC): New constant.
3194 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3195 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3196 (mips_emit_compare): Use it.
3197 (mips_expand_vcondv2sf): New function.
3199 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3201 Fix PR tree-optimization/27093
3202 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3203 renaming when they become not-used_alone.
3205 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3207 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3208 relocation and relocation stubs.
3210 2006-05-08 Eric Christopher <echristo@apple.com>
3212 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3215 2006-05-08 Jan Hubicka <jh@suse.cz>
3218 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3219 unused static functions are needed.
3221 2006-05-08 Roger Sayle <roger@eyesopen.com>
3224 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3225 of a reg_equiv_constant if the result is a legitimate constant.
3227 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3230 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3231 standard 80387 constants, raise the cost to prevent
3232 compress_float_constant() to generate load from memory.
3234 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3236 * config/arm/constraints.md (c): Fix a typo.
3238 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3241 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3244 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3246 (_mm_mwait): Likewise.
3248 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3250 (sse3_monitor): Make it 32bit only.
3251 (sse3_monitor64): New. 64bit monitor.
3253 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3256 * config/i386/i386.c (classify_argument): Skip fields with invalid
3259 2006-05-07 Richard Guenther <rguenther@suse.de>
3261 PR tree-optimization/27409
3262 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3263 Do not try to find zero-sized subvars.
3265 2006-05-07 Richard Guenther <rguenther@suse.de>
3267 PR tree-optimization/27136
3268 * tree-ssa-loop-niter.c (get_val_for): Correct function
3269 comment, assert requirements.
3270 (loop_niter_by_eval): Stop processing if the iterated
3271 value did not simplify.
3273 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3275 * opts.c (flag_see): remove its setting at -O3.
3277 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3279 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3280 * arm/constraints.md: New file.
3281 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3282 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3283 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3284 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3285 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3286 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3287 * arm.md: Include constraints.md.
3288 (thumb_movsi_insn): Use satisfies_constraint_J.
3289 (movhi, movqi): Use satisfies_constraint_I.
3291 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3293 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3294 for atmeg a645 device.
3296 2006-05-06 Richard Guenther <rguenther@suse.de>
3298 PR tree-optimization/27151
3299 * tree-vect-transform.c (vectorizable_condition): Punt on
3300 values that have a different type than the condition.
3302 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3305 * c-parser.c (c_parser_cast_expression): Only insert casts into
3306 hash table if pointer.
3307 * function.c (used_types_insert_helper): Rename from
3309 (used_types_insert): Call used_types_insert_helper.
3310 * function.h (used_types_insert): Accept only one argument.
3312 2006-05-05 David Edelsohn <edesohn@gnu.org>
3314 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3315 scratch with output modifier.
3317 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3320 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3321 with output modifier.
3323 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3326 * config/mips/mips.c (mips_symbolic_address_p): Return true
3327 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3328 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3330 2006-05-04 Richard Guenther <rguenther@suse.de>
3332 PR tree-optimization/14287
3333 PR tree-optimization/14844
3334 PR tree-optimization/19792
3335 PR tree-optimization/21608
3336 PR tree-optimization/27090
3337 * tree-ssa-pre.c (try_combine_conversion): New function.
3338 (compute_avail): After constructing the value-handle
3339 expression, use try_combine_conversion to combine NOP_EXPRs
3340 with previous value-handle expressions and use the result if it
3343 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3345 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3347 2006-05-04 Jan Hubicka <jh@suse.cz>
3350 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3352 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3354 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3355 that this only matches CONST_INTs. All users changed to VOIDmode
3358 * config/bfin/bfin.c: Include "optabs.h".
3359 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3361 (enum bfin_builtins): Add a number of fractional and vector builtins.
3362 (bfin_init_builtins): Likewise.
3363 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3364 (safe_vector_operand, bfin_expand_binop_builtin,
3365 bfin_expand_unop_builtin): New functions.
3366 (bfin_expand_builtin): Handle the new builtins.
3367 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3370 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3373 * Makefile.in (OBJS-common): Add see.o.
3374 (see.o): Add dependencies.
3375 * common.opt (fsee): New flag for the see optimization was added.
3376 * opts.c (flag_see): Initialized.
3377 * passes.c (init_optimization_passes, pass_see): New pass.
3378 * rtl.h (see_main): Declaration as extern.
3379 * timevar.def (TV_SEE): New.
3380 * tree-pass.h (pass_see): Declaration as extern.
3381 * invoke.texi (-fsee): Document.
3382 * recog.c (validate_simplify_insn): New function.
3383 * recog.h (validate_simplify_insn): Declaration as extern.
3384 * df-problems.c (df_chain_dump): Check for NULL.
3386 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3387 Daniel Berlin <dberlin@dberlin.org>
3389 * cfgrtl.c (insert_insn_bb_end_new): New function.
3390 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3392 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3394 * df.h (struct web_entry): Moved from web.c.
3395 (union_defs): Declaration as extern.
3396 (unionfind_root): Likewise.
3397 (unionfind_union): Likewise.
3398 * web.c (struct web_entry): Moved to df.h.
3399 (unionfind_root): Remove static declaration.
3400 (unionfind_union): Likewise.
3401 (union_defs): Likewise and generalize to use callback function.
3402 (web_main): Update arguments for union_defs function call.
3404 2006-05-04 Richard Guenther <rguenther@suse.de>
3406 PR tree-optimization/26447
3407 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3408 produce SSA_NAME copies before the store stmt to avoid
3409 breaking exception handling.
3411 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3414 * gimplify.c (omp_is_private): If var is shared in some outer context,
3415 return false instead of true. Stop searching on parallel context
3418 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3421 * coverage.c: Use get_gcov_unsigned_t() instead of
3422 unsigned_type_node all over.
3424 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3426 PR tree-optimization/27381
3427 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3428 maintain the same immediate_use links.
3429 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3430 node rather than segfaulting.
3432 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3435 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3436 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3437 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3439 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3441 Fix PR tree-optimization/26626
3442 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3444 * tree-ssa-operands.c (access_can_touch_variable): Allow
3445 typecasting through union pointers.
3447 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3450 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3451 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3452 to find if var will be a global variable even in the nested context.
3453 (omp_copy_decl): Only check for global variable at the end, it might
3454 be overridden in outer contexts.
3455 (scan_sharing_clauses): For global variables don't create a field.
3456 (lower_rec_input_clauses): Do nothing for global shared variables.
3457 Emit a barrier at the end of ILIST if there were any decls in both
3458 firstprivate and lastprivate clauses.
3459 (lower_send_clauses): Do nothing for global variables except for
3462 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3464 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3465 of the correct signedness is returned.
3467 2006-05-02 Jeff Law <law@redhat.com>
3469 PR tree-optimization/27364
3470 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3471 multiply expressions.
3473 2006-05-02 Tom Tromey <tromey@redhat.com>
3475 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3477 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3480 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3481 -mthumb -fPIC are used.
3483 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3484 Joshua Kinard <kumba@gentoo.org>
3487 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3488 with 64-bit pointers.
3490 2006-05-02 Paul Brook <paul@codesourcery.com>
3492 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3494 (create_fix_barrier): Check that a suitable barrier location is
3496 (arm_reorg): Include ftmp->address in allowable range of addresses.
3498 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3501 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3504 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3507 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3508 around RESULT_DECL for result passed by reference.
3509 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3510 * omp-low.c (use_pointer_for_field): Don't look at
3511 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3512 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3513 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3514 time or var for passing by reference for
3515 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3516 TREE_ADDRESSABLE variables when passing by reference.
3518 * omp-low.c (dump_omp_region): Fix output formatting.
3521 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3522 (expand_omp_parallel): Likewise.
3523 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3526 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3527 on statement list containing also constructors and destructors.
3528 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3531 * except.c (duplicate_eh_regions): Fix clearing of
3532 cfun->eh->region_array entries.
3534 2006-05-01 DJ Delorie <dj@redhat.com>
3536 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3538 (gcc_cv_objdump): Likewise.
3539 * configure: Regenerated.
3541 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3544 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3545 templates for case 3 and 4.
3547 2006-05-01 DJ Delorie <dj@redhat.com>
3549 * vec.c: Include bconfig.h when appropriate.
3550 * Makefile.in (build/vec.o): Adjust dependencies.
3551 * mkconfig.sh: Make sure config.h isn't used for build machine
3554 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3556 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3558 (mark_phi_for_rewrite): New function.
3559 (insert_phi_nodes_for, mark_use_interesting): Call
3560 mark_phi_for_rewrite.
3561 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3562 (update_ssa): Initialize and free phis_to_rewrite.
3564 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3566 PR rtl-optimization/27291
3567 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3568 folded to a constant.
3570 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3572 PR tree-optimization/27283
3573 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3574 not whole # of iteration descriptions.
3575 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3576 uses abnormal ssa name.
3577 (niter_for_single_dom_exit): Ditto.
3578 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3579 return just the number of iterations.
3581 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3583 PR tree-optimization/27144
3584 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3585 (record_estimate): Only record constant upper bound.
3586 (infer_loop_bounds_from_undefined): Call
3587 compute_estimated_nb_iterations just once.
3588 (proved_non_wrapping_p): Renamed to ...
3589 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3590 (convert_step_widening, scev_probably_wraps_p): Call
3591 n_of_executions_at_most instead of proved_non_wrapping_p.
3592 (substitute_in_loop_info): Do not replace values in bounds.
3593 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3596 2006-05-01 Richard Henderson <rth@redhat.com>
3599 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3600 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3603 2006-05-01 Roger Sayle <roger@eyesopen.com>
3605 * c-typeck.c (parser_build_binary_op): Don't call the function
3606 unsigned_conversion_warning to spot operand/result type overflow.
3607 (build_binary_op): Instead, call convert_and_check instead of
3608 convert to report the problem when the operands are promoted.
3609 * c-common.c (unsigned_conversion_warning): Make static.
3610 * c-common.h (unsigned_conversion_warning): Delete prototype.
3612 2006-05-01 Richard Guenther <rguenther@suse.de>
3614 PR tree-optimization/26726
3615 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3617 (find_interesting_uses_address): ... we work around here
3618 by folding INDIRECT_REFs in the substituted base.
3620 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3622 * omp-low.c (dump_omp_region): Add newlines.
3624 2006-04-30 Roger Sayle <roger@eyesopen.com>
3626 * common.opt (Woverflow): New command line option.
3627 * c-common.c (constant_expression_warning): Check warn_overflow.
3628 (overflow_waring): Pass OPT_Woverflow to warning.
3629 (unsigned_conversion_warning): Likewise.
3630 (convert_and_check): Likewise.
3631 * doc/invoke.texi: Document new command line option.
3633 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3635 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3636 TARGET_NO_FP_IN_TOC for section anchors.
3637 (optimization_options): Enable section anchors for all
3638 non-"Objective" languages.
3640 2006-04-28 Eric Christopher <echristo@apple.com>
3642 * config/darwin-c.c (darwin_ms_struct): Move this
3643 (darwin_set_default_type_attributes): and this...
3644 * config/darwin.c: ... here.
3645 * config/darwin.h (darwin_ms_struct): Declare.
3647 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3649 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3651 2006-04-28 Roger Sayle <roger@eyesopen.com>
3654 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3655 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3656 an unsigned HOST_WIDE_INT.
3657 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3659 (really_start_incremental_init): No need to call convert because
3660 bitsize_zero_node is already of type bitsizetype.
3661 (push_init_level): Extract the value of constructor_index as an
3662 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3663 (process_init_element): Likewise.
3665 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3667 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3668 value before passing to make_relative_prefix.
3670 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3673 * builtins.c (expand_builtin_memset): Expand val in original mode.
3675 2006-04-27 Eric Christopher <echristo@apple.com>
3677 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3678 with #ifndef/#endif.
3679 * config/darwin-c.c (darwin_ms_struct): New.
3680 (darwin_pragma_ms_struct): Ditto.
3681 (darwin_set_default_type_attributes): Ditto.
3682 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3683 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3684 Register ms_struct pragma.
3685 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3686 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3687 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3688 darwin_set_default_type_attributes if TARGET_MACHO.
3690 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3692 PR tree-optimization/26854
3693 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3694 * doc/tree-ssa.texi: Update immuse iterator documentation.
3695 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3696 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3697 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3698 first_safe_imm_use, next_safe_imm_use): Remove.
3699 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3700 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3701 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3702 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3703 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3704 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3705 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3706 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3707 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3708 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3709 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3710 (perfect_nestify): Use new iterator.
3711 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3713 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3714 (next_imm_name): New field in struct immediate_use_iterator_d.
3715 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3716 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3717 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3718 * tree-cfg.c (replace_uses_by): Use new iterator.
3719 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3720 * tree-ssa-operands.c (correct_use_link): Remove.
3721 (finalize_ssa_use_ops): No longer call correct_use_link.
3723 2006-04-27 Stuart Hastings <stuart@apple.com>
3725 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3726 * config/t-darwin (crt3.o): Use it.
3727 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3728 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3729 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3730 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3731 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3734 2006-04-27 Roger Sayle <roger@eyesopen.com>
3736 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3737 size, force the intermediate into a new pseudo rather instead of
3738 performing both a bitwise AND and a bitwise IOR in memory.
3740 2006-04-27 Richard Guenther <rguenther@suse.de>
3742 PR rtl-optimization/26685
3743 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3744 this one "max-flow-memory-locations".
3746 2006-04-27 Richard Guenther <rguenther@suse.de>
3748 PR tree-optimization/25148
3749 * tree-vrp.c (compare_values): Remove code dealing with
3750 comparisons against type min/max value. Honour overflow
3751 and negative constants in code dealing with comparisons
3752 of plus and minus expressions.
3753 (value_inside_range): Use fold_binary with LE_EXPR and
3754 GE_EXPR rather than compare_values.
3756 2006-04-27 Dirk Mueller <dmueller@suse.de>
3758 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3761 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3763 * basic-block.h (safe_insert_insn_on_edge): Removed.
3764 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3766 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3767 Paolo Bonzini <bonzini@gnu.org>
3770 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3771 (simplify_and_const_int): Same.
3773 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3775 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3777 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3780 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3781 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3782 cgraph_global_info_ready.
3785 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3788 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3789 either decl or init is error_mark_node.
3792 * tree-flow.h (struct omp_region): Add sched_kind.
3793 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3794 instead of extracting omp for data.
3795 (expand_omp_for): Save extracted sched_kind.
3797 2006-04-25 Roger Sayle <roger@eyesopen.com>
3799 * expmed.c (store_bit_field): Also check whether the bitsize is
3800 valid for the machine's "insv" instruction before moving the
3801 target into a pseudo for use with the insv.
3802 * config/i386/predicates.md (const8_operand): New predicate.
3803 * config/i386/i386.md (extv, extzv, insv): Use the new
3804 const8_operand predicate where appropriate.
3806 2006-04-25 DJ Delorie <dj@redhat.com>
3808 * doc/install.texi (Specific): Clarify that this is not a list of
3809 supported hosts or targets.
3811 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3813 PR rtl-optimization/26725
3814 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3815 block's BB_DIRTY flag.
3817 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3819 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3822 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3823 to print an integer.
3825 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3827 * varasm.c (align_variable): New function.
3828 (get_block_for_decl): Apply align_variable to DECL before
3829 calculating section information.
3830 (assemble_variable): Split out alignment computation.
3832 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3834 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3837 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3839 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3840 MODE_PARTIAL_INT mode.
3841 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3842 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3844 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3845 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3847 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3849 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3851 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3852 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3853 MACFLAG_IH): Likewise.
3854 (movstricthi_1): Renamed from "*movstricthi".
3855 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3856 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3857 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3858 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3859 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3860 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3861 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3862 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3863 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3864 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3865 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3866 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3867 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3868 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3869 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3871 * doc/rtl.texi (ss_ashift): Improve wording.
3873 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3875 * dwarf2out.c (verify_marks_clear): New.
3876 (prune_unused_types): Call verify_marks_clear initially, not
3879 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3881 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3882 * doc/rtl.texi: Document them.
3883 * simplify-rtx.c (simplify_unary_operation,
3884 simplify_binary_operation_1): Don't abort when we see them.
3886 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3889 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3890 * configure.ac: Completely disregard languages that are not
3892 * configure: Regenerated.
3894 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3895 Richard Guenther <rguenther@suse.de>
3897 PR tree-optimization/27236
3898 * tree-inline.c (copy_body_r): Make sure to copy
3899 TREE_THIS_VOLATILE flag.
3901 2006-04-24 Richard Guenther <rguenther@suse.de>
3904 * tree-complex.c (update_parameter_components): Don't handle
3905 unused parameters which have no default def.
3907 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3908 Richard Guenther <rguenther@suse.de>
3910 PR tree-optimization/27218
3911 * tree-inline.c (expand_call_inline): Strip useless type
3912 conversions for the return slot address.
3914 2006-04-24 Richard Guenther <rguenther@suse.de>
3916 * cfgloop.h (struct loops): Remove unused field array. Reorder
3918 (LOOP_PREFETCH): Remove.
3920 2006-04-24 Richard Guenther <rguenther@suse.de>
3922 PR tree-optimization/22525
3923 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3924 variable, adjust types of generated expressions.
3926 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3928 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3929 (tree-vect-patterns.o): Likewise.
3931 (cselib.o): Likewise.
3932 (loop-doloop.o): Likewise.
3933 (regclass.o): Likewise.
3934 (reload1.o): Likewise.
3935 (explow.o): Replace target.h with $(TARGET_H).
3936 (ipa-prop.o): Likewise.
3937 (ipa-cp.o): Likewise.
3938 (ipa-inline.o): Likewise.
3939 (reorg.o): Likewise.
3940 (reg-stack.o): Likewise.
3942 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3944 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3946 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3948 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3950 * configure.ac: Completely disregard languages that are not
3952 * configure: Regenerated.
3955 * c-common.h (c_build_bitfield_integer_type): Declare.
3956 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3957 * c-common.c (c_build_bitfield_integer_type): ... here.
3959 2006-04-23 Roger Sayle <roger@eyesopen.com>
3962 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3963 a SImode SUBREG of a floating point register after no_new_pseudos.
3965 2006-04-23 Roger Sayle <roger@eyesopen.com>
3967 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3968 identify potentially eliminable registers to additionally catch
3969 VIRTUAL_INCOMING_ARGS_REGNUM.
3970 (addsi3): Update the conditions on when to use addsi_small_int.
3972 2006-04-23 Roger Sayle <roger@eyesopen.com>
3975 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3976 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3977 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3979 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3981 * fold-const.c (range_predecessor): Use operand_equal_p
3982 as the predicate for equality.
3983 (range_successor): Likewise.
3985 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3988 * config/soft-fp/op-common.h: Fix a typo.
3990 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3993 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3994 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3996 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3998 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4000 * doc/tm.texi: Fix a typo.
4002 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4004 * dwarf2out.c (struct die_struct): Document that die_sib makes
4005 a circular linked list.
4006 (FOR_EACH_CHILD): New.
4007 (reverse_die_lists): Delete.
4008 (reverse_all_dies): Delete.
4009 (add_dwarf_attr): Correct documentation.
4010 (remove_child_with_prev): New.
4011 (remove_child_TAG): Update for change to die_struct, use
4012 remove_child_with_prev.
4013 (add_child_die): Update for change to die_struct.
4014 (splice_child_die): Use remove_child_with_prev and add_child_die.
4015 (print_die): Use FOR_EACH_CHILD.
4016 (die_checksum): Likewise.
4017 (assign_symbol_names): Likewise.
4018 (output_location_lists): Likewise.
4019 (build_abbrev_table): Likewise.
4020 (calc_die_sizes): Likewise.
4021 (mark_dies): Likewise.
4022 (unmark_dies): Likewise.
4023 (unmark_all_dies): Likewise.
4024 (output_die): Likewise.
4025 (prune_unused_types_mark): Likewise.
4026 (prune_unused_types_walk): Likewise.
4027 (same_die_p): Update for change to die_struct.
4028 (break_out_includes): Likewise.
4029 (prune_unused_types_prune): Likewise.
4030 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4031 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4033 (dwarf2out_finish): Don't call reverse_all_dies.
4035 2006-04-21 Eric Christopher <echristo@apple.com>
4037 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4038 in comments and function names.
4040 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4043 * c-typeck.c (digest_init): Robustify.
4045 * c-typeck.c (pop_init_level): Simplify.
4047 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4049 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4051 2006-04-21 Paul Brook <paul@codesourcery.com>
4053 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4054 hardware floating point.
4056 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4058 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4061 2006-04-21 Nick Clifton <nickc@redhat.com>
4063 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4066 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4069 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4070 C++ lang type in traceback table for Objective-C++.
4072 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4074 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4076 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4078 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4081 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4082 were errors. Remove check for erroneous objects.
4084 2006-04-20 Jeff Law <law@redhat.com>
4086 PR tree-optimization/26854
4087 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4088 checking for zero or one use.
4089 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4090 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4091 * tree-ssa-reassoc.c (negate_value): Similarly.
4092 (reassociate_bb): Similarly.
4094 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4096 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4097 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4098 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4100 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4102 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4103 fp regs if the last fp arg doesn't fit in regs.
4105 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4108 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4109 that the last insn has the REG_INC note.
4111 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4112 Nathan Sidwell <nathan@codesourcery.com>
4115 * stor-layout.c (update_alignment_for_field): Do not align
4117 (place_union_field): Place union field at the start of the union.
4118 (place_field): Move ERROR_MARK check later, and use the current
4119 allocation position to maintain monotonicity.
4121 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4123 * dominance.c: Include timevar.h.
4124 (calculate_dominance_info): Use TV_DOMINANCE.
4125 * timevar.def (TV_DOMINANCE): New timevar.
4126 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4128 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4130 PR rtl-optimization/14261
4131 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4132 move would be an INSV insn.
4133 (noce_process_if_block): Don't optimize if the destination is a
4134 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4136 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4138 * config/s390/s390.md: Add comments with the instructions emitted
4139 by an insn pattern if macros are used.
4141 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4143 PR rtl-optimization/26026
4144 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4145 is a known power of two shifted left a variable amount.
4147 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4149 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4150 to hash table twice when the debug_str section has SECTION_MERGE.
4152 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4154 * config/soft-fp: New directory. From glibc.
4155 * config/soft-fp/t-softfp: New.
4156 * config/soft-fp/README: New.
4157 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4158 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4159 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4160 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4161 * config.gcc: Use rs6000/t-fprules-fpbit or
4162 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4164 * config/rs6000/sfp-machine.h: New. Based on glibc.
4165 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4167 * config/rs6000/t-fprules: Remove fp-bit rules.
4168 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4169 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4170 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4171 (softfp_wrap_start, softfp_wrap_end): New.
4173 2006-04-18 DJ Delorie <dj@redhat.com>
4175 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4177 2006-04-18 Devang Patel <dpatel@apple.com>
4179 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4181 2006-04-18 Nick Clifton <nickc@redhat.com>
4183 * config/sh/t-symbian: Add rule to build sh-c.o
4184 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4185 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4186 (sh_symbian_encode_section_info): Likewise.
4188 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4190 * builtins.c (expand_builtin_strcmp): Cover label definition of
4191 do_libcall with HAVE_cmpstrnsi.
4193 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4195 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4197 * function.h (temp_slot_p): New.
4198 (function): Change the type of x_used_temp_slots to
4199 VEC(temp_slot_p,gc) *.
4201 2006-04-18 Nick Clifton <nickc@redhat.com>
4203 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4204 flag_strength_reduce.
4206 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4208 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4212 Partial revert of revision 112637
4213 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4214 Dale Johannesen <dalej@apple.com>
4217 * regclass.c (struct reg_pref): Update documentation.
4218 (regclass): Set prefclass to NO_REGS if memory is the best option.
4219 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4221 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4223 PR tree-optimization/26821
4224 * tree-ssa-math-opts.c (get_constant_one): New.
4225 (insert_reciprocals): Use it.
4227 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4229 * dwarf2out.c (free_AT): Delete.
4230 (remove_AT): Update string ref counts.
4231 (remove_child_TAG): Don't call free_die.
4233 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4234 or DW_TAG_GNU_EINCL.
4235 (prune_unused_types_walk_attribs): Reset string refcounts.
4236 (prune_unused_types_update_strings): New.
4237 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4238 call free_die. Do call prune_unused_types_update_strings.
4239 (prune_unused_types): Empty debug_str_hash.
4241 2006-04-17 Roger Sayle <roger@eyesopen.com>
4243 * expr.c (expand_assignment): Optimize away no-op moves where the
4244 source and destination are equal and have no side-effects.
4246 2006-04-17 Richard Guenther <rguenther@suse.de>
4249 * reload.c (push_reload): Guard calls to get_secondary_mem
4252 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4254 * alias.c (reg_base_value, old_reg_base_value): Change the
4255 type to VEC(rtx,gc) *.
4256 (REG_BASE_VALUE, find_base_value, record_set,
4257 init_alias_analysis): Use VEC instead of VARRAY.
4259 * alias.c (alias_sets): Change the type to
4260 VEC(alias_set_entry,gc) *.
4261 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4262 VEC instead of VARRAY.
4263 (last_alias_set): Remove.
4265 * cgraph.h (cgraph_edge_p): New.
4266 Update the prototype of cgraph_function_versioning.
4267 * cgraphunit.c (cgraph_copy_node_for_versioning,
4268 cgraph_function_versioning): Use VEC instead of VARRAY.
4269 * ipa-cp.c (ipcp_insert_stage): Likewise.
4271 2006-04-16 Roger Sayle <roger@eyesopen.com>
4274 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4275 "A op B" or "A op C", we may need to convert A to the type of B and C.
4277 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4279 * target.h (struct gcc_target): Add mode_rep_extended.
4280 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4281 (init_num_sign_bit_copies_in_rep): Initialize it using
4283 (truncate_to_mode): Use it.
4284 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4285 * targhooks.h (default_mode_rep_extended): Declare it.
4286 * targhooks.c (default_mode_rep_extended): Define it.
4287 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4288 default_mode_rep_extended.
4289 (TARGET_INITIALIZER): Include it.
4290 * doc/tm.texi (Misc): Document it.
4291 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4292 (mips_truncated_to_mode): New function.
4294 2006-04-16 Roger Sayle <roger@eyesopen.com>
4297 * expr.c (compress_float_constant): Copy the narrow constant into
4298 a new pseudo before extending it to its final width.
4300 2006-04-16 Roger Sayle <roger@eyesopen.com>
4301 Andrew Pinski <pinskia@gcc.gnu.org>
4302 Dale Johannesen <dalej@apple.com>
4305 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4306 special case code to implement V8HImode and V16QImode with SSE2.
4308 2006-04-15 Roger Sayle <roger@eyesopen.com>
4310 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4311 trees are constructed with a suitable tree type.
4313 2006-04-15 Roger Sayle <roger@eyesopen.com>
4315 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4316 (integer_onep): Likewise.
4317 (integer_all_onesp): Likewise.
4318 (integer_pow2p): Likewise.
4319 (integer_nonzerop): Likewise.
4320 (real_zerop): Likewise.
4321 (real_onep): Likewise.
4322 (real_twop): Likewise.
4323 (real_minus_onep): Likewise.
4324 (int_size_in_bytes): Likewise.
4325 (host_integerp): Likewise.
4327 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4329 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4330 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4331 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4333 * tree-ssa-structalias.h (alias_info): Remove num_references.
4335 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4337 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4338 (output_bvb patterns): Likewise.
4339 * pa.c (output_bb): Use 'bb' insn for long branch case.
4340 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4341 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4342 1. Correct length operand for alternatives 1 and 2.
4343 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4344 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4346 2006-04-14 Roger Sayle <roger@eyesopen.com>
4348 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4349 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4350 were accidentally reverted by r112959.
4352 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4355 * except.h (eh_region_outermost): New prototype.
4356 * except.c (eh_region_outermost): New function.
4357 * tree-cfg.c (find_outermost_region_in_block): Use it.
4359 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4361 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4363 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4364 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4365 (init_reload, reload): Use VEC instead of VARRAY.
4366 * reload.h: Update the prototype for
4367 reg_equiv_memory_loc_varray.
4369 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4370 Eric Botcazou <ebotcazou@libertysurf.fr>
4372 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4375 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4378 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4379 to expand fallback builtin function call.
4381 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4384 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4385 and emit libcall here in case the builtin fails.
4386 (expand_builtin_strcmp): Always emit the libcall here on failure.
4388 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4390 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4391 * flow.c (reg_n_info): Change the type to
4392 VEC(reg_info_p,heap) *.
4393 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4395 * regs.h (reg_info_p): New.
4396 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4397 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4398 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4401 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4403 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4405 * params.h (MAX_SCHED_READY_INSNS): New macro.
4406 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4407 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4408 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4409 the ready list for 1 cycle during the first scheduling pass.
4410 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4412 2006-04-13 Richard Henderson <rth@redhat.com>
4415 * gimple-low.c (lower_omp_directive): Remove dead code.
4416 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4417 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4418 * omp-low.c (struct omp_region): Move to tree-flow.h.
4419 (root_omp_region): Export.
4420 (omp_regions, lookup_omp_region): Remove.
4421 (determine_parallel_type): Update for struct omp_region changes.
4422 (dump_omp_region): Dump regions with block numbers.
4423 (new_omp_region): Take type and block instead of stmt; malloc
4425 (free_omp_region_1, free_omp_regions): New.
4426 (expand_parallel_call): Take entry_stmt as argument; update for
4427 changes to omp_region.
4428 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4429 (remove_exit_barriers): New.
4430 (expand_omp_parallel): Update for struct omp_region changes.
4431 (expand_omp_synch): Likewise.
4432 (expand_omp): Likewise.
4433 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4434 (expand_omp_for_static_chunk): Likewise.
4435 (expand_omp_for): Likewise.
4436 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4437 (expand_omp_sections): Similarly, with GOMP_sections_end.
4438 (expand_omp_single): New.
4439 (build_omp_regions_1): Update for OMP_CONTINUE.
4440 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4441 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4442 OMP_SECTIONS_SECTIONS.
4443 (lower_omp_single_simple): Don't emit barrier here.
4444 (lower_omp_single_copy): Likewise.
4445 (lower_omp_single): Fix bindings, and lower to straightline now.
4446 (lower_omp_master, lower_omp_ordered): Likewise.
4447 (lower_omp_critical): Likewise.
4448 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4449 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4450 omp edges, free it afterward.
4451 (make_omp_sections_edges): Remove.
4452 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4453 (move_stmt_r): Handle OMP_CONTINUE.
4454 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4455 statement pointers to basic blocks. Add type member.
4456 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4457 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4458 * tree-inline.c (estimate_num_insns_1): Likewise.
4459 * tree-pretty-print.c (dump_generic_node): Likewise.
4460 * tree-ssa-operands.c (get_expr_operands): Likewise.
4461 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4462 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4463 (OMP_CONTINUE): New.
4464 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4465 (OMP_SECTIONS_SECTIONS): Remove.
4466 (OMP_SECTION_LAST): New.
4467 (OMP_RETURN_NOWAIT): New.
4469 2006-04-13 Roger Sayle <roger@eyesopen.com>
4471 * fold-const.c (native_encode_vector, native_interpret_real):
4472 Correct obvious mistakes in the previous check-in.
4474 2006-04-13 Roger Sayle <roger@eyesopen.com>
4476 * fold-const.c (native_encode_expr): New function to encode
4477 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4478 or VECTOR_CST into a specified buffer.
4479 (native_encode_int): New function.
4480 (native_encode_real): New function.
4481 (native_encode_complex): New function.
4482 (native_encode_vector): New function.
4483 (native_interpret_expr): Inverse of native_encode_expr to convert
4484 a target representation into an INTEGER_CST, REAL_CST etc...
4485 (native_interpret_int): New function.
4486 (native_interpret_real): New function.
4487 (native_interpret_complex): New function.
4488 (native_interpret_vector): New function.
4489 (fold_view_convert_expr): New function to constant fold/evaluate
4490 a VIEW_CONVERT_EXPR of a suitable constant expression.
4491 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4492 Change call of build1 to fold_build1 when constructing a
4495 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4496 Ulrich Weigand <uweigand@de.ibm.com>
4499 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4502 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4505 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4506 optimize to lo_sum for DFmode if !TARGET_FPRS.
4508 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4510 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4511 delete_alias_info, compute_flow_sensitive_aliasing,
4512 group_aliases): Use VEC instead of VARRAY.
4513 * tree-ssa-structalias.c (update_alias_info): Likewise.
4514 * tree-ssa-structalias.h (alias_info): Change the type of
4515 processed_ptrs to VEC(tree,heap) *.
4517 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4520 * config/sh/lib1funcs.h: New file, broken out of:
4521 * config/sh/lib1funcs.asm.
4522 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4524 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4525 * config/sh/lib1funcs-Os-4-200.asm: New file.
4526 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4527 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4528 (EXTRA_MULTILIB_PARTS): Include it.
4529 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4530 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4531 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4532 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4535 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4537 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4538 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4539 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4541 * tree-ssa-live.h: Include vecprim.h.
4542 (tree_partition_associator_d): Change the type of
4543 first_partition to VEC(int,heap) *.
4544 (tpa_first_partition): Use VEC instead of VARRAY.
4546 * Makefile.in (GTFILES): Move functions.h after tree.h.
4547 * function.c (reset_block_changes, record_block_change,
4548 check_block_change, free_block_changes): Use VEC instead of
4550 * function.h (function): Change the type of
4551 ib_boundaries_block to VEC(tree,gc) *.
4552 * tree-inline.c (copy_cfg_body): Initialize
4553 ib_boundaries_block to NULL instead of (varray_type) 0.
4555 2006-04-12 Roger Sayle <roger@eyesopen.com>
4557 * expr.c (emit_group_store): Correct operand order in call to
4558 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4559 a SUBREG_BYTE of zero.
4561 2006-04-12 Richard Guenther <rguenther@suse.de>
4563 * profile.c (compute_branch_probabilities): Remove code
4564 encapsulated in !ir_type (), which are remanents of the
4565 removed RTL profiling code.
4566 * rtl-profile.c: Remove.
4568 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4570 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4571 magic NULL_RTX comment.
4572 (function_arg): Store entire fp arg to mem if any part should go
4574 (rs6000_arg_partial_bytes): Adjust for above change.
4576 2006-04-11 Roger Sayle <roger@eyesopen.com>
4578 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4579 if it hasn't been initialized by dwarf2out_init.
4581 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4583 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4584 symbolic constants in branch patterns.
4586 2006-04-11 Roger Sayle <roger@eyesopen.com>
4588 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4590 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4592 PR rtl-optimization/27073
4593 * gcse.c (try_replace_reg): Revert last change. Continue to search
4594 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4597 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4599 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4600 aggregate types other than record and union types.
4601 (function_arg): Likewise.
4602 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4604 (function_value): In 64-bit mode, return objects that require it
4607 2006-04-11 Roger Sayle <roger@eyesopen.com>
4609 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4611 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4613 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4615 2006-04-03 Jeff Law <law@redhat.com>
4618 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4619 alias information too.
4621 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4623 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4625 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4628 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4629 (premark_used_types_helper): New.
4630 (premark_used_types): New.
4631 (gen_subprogram_die): Call premark_used_types.
4632 (prune_unused_types_walk): Do not prune perennial dies.
4633 * function.c (used_types_insert): New.
4634 * function.h (struct function): Add used_types_hash field.
4635 (used_types_insert): Add prototype.
4636 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4637 * c-parser.c (c_parser_cast_expression): Save casted types in used
4640 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4643 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4644 rs6000_explicit_options.float_gprs.
4646 2006-04-10 Roger Sayle <roger@eyesopen.com>
4648 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4649 from ix86_expand_vector_init_low_nonzero. Take an additional
4650 one_var argument indicating which element is non-zero. Support
4651 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4652 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4653 with one_var instead of ix86_expand_vector_init_low_nonzero.
4655 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4657 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4658 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4659 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4660 build/genextract.o): Depend on vecprim.h.
4661 * cfglayout.c, df-problems.c, function.c, genextract.c,
4662 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4663 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4667 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4669 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4670 Declare VECs of this type.
4671 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4672 (remove_children): Delete.
4673 (add_dwarf_attr): Use VEC routines.
4674 (add_AT_flag): Update for changes to add_dwarf_attr.
4675 (add_AT_int): Likewise.
4676 (add_AT_unsigned): Likewise.
4677 (add_AT_long_long): Likewise.
4678 (add_AT_vec): Likewise.
4679 (add_AT_string): Likewise.
4680 (add_AT_die_ref): Likewise.
4681 (add_AT_fde_ref): Likewise.
4682 (add_AT_loc): Likewise.
4683 (add_AT_loc_list): Likewise.
4684 (add_AT_addr): Likewise.
4685 (add_AT_lbl_id): Likewise.
4686 (add_AT_lineptr): Likewise.
4687 (add_AT_macptr): Likewise.
4688 (add_AT_offset): Likewise.
4689 (add_AT_range_list): Likewise.
4690 (get_AT): Use VEC_iterate.
4691 (remove_AT): Use VEC_ordered_remove.
4692 (free_die): Fold remove_children into here; have it use VEC_iterate.
4693 (print_die): Use VEC_iterate on attrs.
4694 (reverse_die_lists): Don't reverse attr lists.
4695 (die_checksum): Use VEC_iterate on attrs.
4696 (same_die_p): Likewise.
4697 (output_location_lists): Likewise.
4698 (build_abbrev_table): Likewise.
4699 (size_of_die): Likewise.
4700 (unmark_all_dies): Likewise.
4701 (output_abbrev_section): Likewise.
4702 (output_die): Likewise.
4703 (prune_unused_types_walk_attribs): Likewise.
4705 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4707 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4709 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4712 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4714 2006-04-09 Roger Sayle <roger@eyesopen.com>
4716 * expr.c (store_constructor): Don't bother clearing target if
4717 we're about to assign a vector to it using vec_init_optab.
4719 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4721 * tree-ssa-alias.c (lhs_may_store_to): New function.
4722 (recalculate_used_alone): Handle LHS of calls.
4724 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4728 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4729 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4730 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4731 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4732 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4733 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4734 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4735 stubs. Add ".align 8" directives before all ".dword" directives.
4736 (GTHREAD_USE_WEAK): Revise comment.
4737 (TARGET_ATTRIBUTE_WEAK): Define.
4738 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4739 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4740 * stublib.c: New file.
4745 * pa.md (cbranch patterns): Revise arguments used in calls to
4746 output_cbranch, output_bb and output_bvd. Add long branch length
4748 (fbranch patterns): Handle long branches.
4749 (jump): Revise length check. Revise arguments for output_lbranch call.
4750 Add long branch length attributes.
4751 (decrement_and_branch_until_zero): Add long branch length attributes.
4752 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4753 Likewise. Revise arguments for output_parallel_addb and
4754 output_parallel_movb calls.
4755 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4756 output_parallel_movb and output_parallel_addb): Update prototypes.
4757 * pa.c (output_cbranch): Revise arguments. Correct handling of
4758 nullification in long branches.
4759 (output_lbranch): Add new argument to control extraction of delay
4761 (output_bb): Handle long branches.
4762 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4763 output_parallel_addb): Likewise.
4765 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4767 PR rtl-optimization/27073
4768 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4771 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4773 * tree.h (tree_memory_tag): Add old_used_alone.
4774 (SMT_OLD_USED_ALONE): New macro.
4775 * tree-ssa-alias.c (recalculate_used_alone): Stop
4776 marking things for renaming unnecessarily.
4778 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4780 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4781 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4782 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4783 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4784 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4785 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4786 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4787 spelling convensions.
4788 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4789 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4790 typos. Follow spelling conventions.
4792 2006-04-07 DJ Delorie <dj@redhat.com>
4794 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4795 passed on the stack.
4796 (m32c_init_cumulative_args): When a function returns a structure,
4797 always pass the pointer to that return area on the stack.
4798 (m32c_function_arg_advance): Don't increment the parameter number
4799 if we're processing the returned structure pointer.
4800 (pushm_info): Reverse order of registers.
4802 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4804 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4805 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4806 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4807 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4809 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4810 chrec_fold_multiply): Same.
4811 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4812 force_expr_to_var_cost): Same.
4813 * tree-mudflap.c (mf_xform_derefs_1): Same.
4814 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4816 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4818 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4819 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4822 2006-04-07 Jan Hubicka <jh@suse.cz>
4824 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4826 2006-04-07 Richard Guenther <rguenther@suse.de>
4828 PR tree-optimization/26135
4829 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4830 loads for store copy-prop.
4831 (copy_prop_visit_stmt): Likewise.
4833 2006-04-05 Robert Millan <robertmh@gnu.org>
4835 * config/i386/linux.h: Add a comment to mark macros that are
4836 being overriden in config/k*bsd-gnu.h.
4837 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4839 * config/knetbsd-gnu.h: Ditto.
4841 2006-04-06 Jan Hubicka <jh@suse.cz>
4845 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4848 2006-04-06 Mike Stump <mrs@apple.com>
4850 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4851 for HAVE_nonlocal_goto to be consistent.
4852 (expand_builtin_nonlocal_goto): Likewise.
4853 (expand_builtin_strcmp): Use #ifdef instead of #if
4854 for HAVE_cmpstrnsi to be consistent.
4856 2006-04-05 DJ Delorie <dj@redhat.com>
4858 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4861 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4863 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4864 got-relative addressing for anything but SImode.
4866 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4867 even if the calling function doesn't modify them.
4869 2006-04-05 Richard Guenther <rguenther@suse.de>
4871 PR tree-optimization/26919
4872 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4873 to cgraph_estimate_size_after_inlining.
4875 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4877 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4879 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4881 PR tree-optimization/26996
4882 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4883 VECTOR_TYPE variables.
4885 2006-04-05 Richard Guenther <rguenther@suse.de>
4887 PR tree-optimization/26763
4888 * fold-const.c (fold_comparison): Move folding of
4889 PTR + CST CMP PTR + CST ...
4890 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4892 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4894 * doc/install.texi (Prerequisites): Refine some wording on
4895 bootstrapping and ksh.
4896 Move the version numbers of DejaGnu here from the testing section
4897 and fix casing of names.
4898 Fix markup and clarify wording for autogen requirements.
4899 Refer to GCJ instead of just java.
4900 Refer to SVN instead of CVS.
4901 Describe diffutils as useful instead of necessary.
4902 (Downloading the source): Refer to SVN instead of CVS.
4903 Adjust a link to our web site accordingly.
4904 (Configuration): Fix casing of Bison.
4905 (Building): Refer to SVN instead of CVS.
4906 Fix a sentence on the use of Bison and remove duplicate (and
4907 incorrect) version number of Bison requirement.
4908 Remove one redundant list of packages needed for building.
4909 (Specific): Avoid reference to CVS.
4911 2006-04-04 Eric Christopher <echristo@apple.com>
4913 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4914 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4915 (rs6000_handle_struct_attribute): New.
4916 (rs6000_ms_bitfield_layout_p): Ditto.
4918 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4920 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4921 NULL for dso parameter to atexit_common.
4923 2006-04-04 Eric Christopher <echristo@apple.com>
4925 * config/i386/i386.c (machopic_output_stub): Output \t
4926 between instructions and operands.
4928 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4930 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4931 satisfies_constraint_[IL] to explicit tests on value.
4933 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4935 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4936 set_nb_iterations_in_loop): Use build_int_cst instead of
4938 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4939 build_int_cst instead of convert.
4941 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4943 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4944 new value 2 for incoming.
4945 * function.c (expand_function_start): Call struct_value_rtx
4947 * config/sparc/sparc.md: Comment updated_return.
4948 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4949 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4950 struct return if sparc_std_struct_return and incoming is 2.
4951 (print_operand): Do not adjust return if
4952 sparc_std_struct_return.
4954 2006-04-04 Roger Sayle <roger@eyesopen.com>
4956 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4957 convert in the middle-end.
4958 * expr.c (store_expr, store_constructor, get_inner_reference,
4959 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4961 * tree.c (build_range_type): Likewise.
4963 2006-04-04 Tom Tromey <tromey@redhat.com>
4965 * doc/install.texi (Prerequisites): Mention jar.
4967 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4969 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4972 2006-04-04 Matthias Klose <doko@debian.org>
4974 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4975 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4978 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4980 * doc/extend.texi (Function Attributes): Rewrite visibility
4981 attribute documentation.
4982 * doc/invoke.texi (C++ Dialect Options): Rewrite
4983 -fvisibility-inlines-hidden documentation to describe something
4984 entirely different, although in practise compatible.
4985 (Code Gen Options): Warn about system headers in -fvisibility=
4988 * doc/extend.texi (Other Builtins): Document that
4989 __builtin_nan is a compile-time constant only when its argument
4992 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4994 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4995 trying to remove TRUNCATE check if all bits outside the new mode
4996 are identical to the sign bit.
4998 2006-04-03 Jeff Law <law@redhat.com>
5000 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5001 and operand scanning in some common cases.
5003 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5004 Dale Johannesen <dalej@apple.com>
5007 * regclass.c (struct reg_pref): Update documentation.
5008 (regclass): Set prefclass to NO_REGS if memory is the best option.
5009 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5010 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5011 into account. For non-registers, equate an empty preferred
5012 reload class to a `!' in the constraint; move the if clause to
5013 do so after those that reject the insn.
5014 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5016 (find_dummy_reload): Likewise.
5017 * doc/tm.texi (Register Classes): Document what it means
5018 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5019 * config/i386/i386.c (ix86_preferred_reload_class): Force
5020 using SSE registers (and return NO_REGS for floating-point
5021 constants) if math is done with SSE.
5022 (ix86_preferred_output_reload_class): New.
5023 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5024 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5025 * config/i386/i386.md: Remove # register preferences.
5027 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5030 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5031 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5032 the type of nb_iter.
5033 (instantiate_parameters_1): Convert the operands before calling
5034 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5035 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5037 2006-04-02 Roger Sayle <roger@eyesopen.com>
5039 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5040 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5042 * dojump.c (do_jump): Likewise.
5043 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5044 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5045 gimplify_boolean_expr): Likewise.
5046 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5047 * varasm.c (array_size_for_constructor): Likewise.
5048 * tree-object-size.c (compute_object_offset): Likewise.
5050 2006-04-02 Roger Sayle <roger@eyesopen.com>
5053 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5054 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5056 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5058 PR tree-optimization/26939
5059 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5061 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5063 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5064 at_stmt. Convert the type of operands before calling
5065 build_polynomial_chrec.
5066 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5068 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5069 (instantiate_parameters_1): Convert the type of operands before calling
5070 build_polynomial_chrec.
5071 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5072 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5073 reset_evolution_in_loop): Insert asserts to check the types of the
5075 (chrec_type): Moved...
5076 (eq_evolutions_p): Use operand_equal_p.
5077 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5078 the types of the operands.
5079 (chrec_type): ...here.
5080 * tree-data-ref.c (create_data_ref): Convert the operands before
5081 calling chrec_replace_initial_condition.
5082 (same_access_functions, analyze_subscript_affine_affine,
5083 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5084 (compute_subscript_distance, analyze_ziv_subscript,
5085 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5086 analyze_miv_subscript): Convert the operands before calling
5087 chrec_fold_minus or chrec_fold_plus.
5089 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5091 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5092 the dependence_relations vector.
5093 (compute_data_dependences_for_loop): Adjust call to
5094 compute_all_dependences.
5096 2006-04-01 Roger Sayle <roger@eyesopen.com>
5097 Richard Henderson <rth@redhat.com>
5099 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5100 gimple_boolify on the condition before calling gimplify_expr.
5102 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5104 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5105 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5106 the frame size. Update to use the new macros.
5107 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5108 * config/xtensa/ieee754-df.S: Likewise.
5110 2006-03-31 Richard Henderson <rth@redhat.com>
5112 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5113 (make_edges): ... here. Control fallthru creation with a local
5114 variable. Do not play with fake edges.
5115 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5116 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5119 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5121 * dwarf2.h (DW64_CIE_ID): Define.
5122 * dwarf2out.c (DWARF_CIE_ID): Define.
5123 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5124 length header. Use DWARF_CIE_ID.
5125 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5126 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5128 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5130 * config/sh/linux-atomic.asm: New file.
5131 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5133 2006-03-31 DJ Delorie <dj@redhat.com>
5135 * config/m32c/cond.md: Set condition flags properly throughout.
5136 * config/m32c/minmax.md: Likewise.
5137 * config/m32c/prologue.md: Likewise.
5138 * config/m32c/bitops.md: Likewise.
5139 * config/m32c/muldiv.md: Likewise.
5140 * config/m32c/mov.md: Likewise.
5141 * config/m32c/addsub.md: Likewise.
5142 * config/m32c/m32c.md: Likewise.
5143 * config/m32c/jump.md: Likewise.
5144 * config/m32c/shift.md: Likewise.
5146 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5147 conditionally output the pattern for this.
5148 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5149 (m32c_compare_redundant): New.
5150 (m32c_output_compare): New.
5151 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5153 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5154 dest, not src. Allow other 4-byte modes.
5156 2006-03-30 Denis Chertykov <denisc@overta.ru>
5158 * doc/md.texi: Refer to avr/constraints.md instead of
5161 2006-03-30 Roger Sayle <roger@eyesopen.com>
5163 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5164 signed vs. unsigned comparison failures on some hosts.
5166 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5169 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5170 change to FLOAT_REGS.
5172 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5173 (rs6000_override_options): Use it.
5174 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5175 only for -mabi=spe/no-spe and -mabi=altivec.
5177 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5179 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5182 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5184 * Makefile.in: Rename docdir to gcc_docdir.
5186 2006-03-30 Roger Sayle <roger@eyesopen.com>
5189 * expr.c (emit_group_store): Optimize group stores into a pseudo
5190 register by using a paradoxical subreg to initialize the destination
5191 if the first or last member of the group specifies a "low part".
5193 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5196 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5197 * target.h (struct gcc_target.speculate_insn): Change type of the
5198 second parameter to 'int'.
5199 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5200 the second operand of the DEPS_LIST.
5201 (copy_DEPS_LIST_list): Update reference to the second operand of the
5203 * rtl.h (alloc_DEPS_LIST): Update signature.
5204 * sched-int.h (ds_t): Change typedef to 'int'.
5205 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5207 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5209 * haifa-sched.c (try_ready): Change condition to restore
5210 non-speculative pattern of the instruction.
5211 (process_insn_depend_be_in_spec): Code to keep probability of the
5212 speculative dependence non-decreasing.
5214 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5216 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5217 (single_move_for_movmem): ... this. Also change all uses.
5218 (bfin_expand_strmov): Renamed to...
5219 (bfin_expand_movmem): ... this. Also change all uses.
5220 * config/bfin/bfin.md (movstrsi): Renamed to...
5221 (movstrsi): ...this.
5223 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5225 PR tree-optimization/26830
5227 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5228 (copy_prop_visit_stmt): Remove write-only variable ann.
5229 (init_copy_prop): Check variable loop depth here. Do not simulate
5230 memory-tag and virtual operand PHIs except for store copy prop.
5232 2006-03-30 Richard Guenther <rguenther@suse.de>
5234 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5235 variants with double arguments.
5237 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5239 * genpreds.c (write_tm_constrs_h): Delete variable p.
5240 * genconditions.c (write_header): Add tm-constrs.h to included
5242 * genpeep.c (main): Add toplev.h to included headers.
5243 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5244 (build/genpeep.o): Add toplev.h dependency.
5245 * config/rs6000/constraints.md: Add "W" constraint.
5247 2006-03-29 Roger Sayle <roger@eyesopen.com>
5249 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5250 sizes by correctly testing whether the size fits a host integer.
5251 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5252 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5253 SImode range for the default sizetype and bitsizetype.
5255 2006-03-29 Roger Sayle <roger@eyesopen.com>
5257 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5258 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5259 quickly if the argument is already of the correct type.
5260 Call fold_build1 instead of build1. Tidy up blank lines.
5262 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5264 * genemit.c (main): Add tm-constrs.h to included headers.
5265 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5266 * genpeep.c (main): Add tm-constrs.h to included headers.
5267 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5268 (write_tm_constrs_h): this and write complete file.
5269 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5270 (write_insn_preds_c): Add tm-constrs.h to included headers.
5271 (gen_constrs): New variable.
5272 (parse_option): Parse "-c".
5273 (main): Invoke write_tm_constrs_h.
5274 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5275 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5276 (object_out_file): Add tm-constrs.h dependency.
5277 (insn-emit.o): Same.
5278 (insn-output.o): Same.
5279 (insn-peep.o): Same.
5280 (insn-preds.o): Same.
5281 (insn-recog.o): Same.
5282 (tm-constsr.h): New target.
5283 (s-constrs-h): New target.
5285 * config/rs6000/constraints.md: New file.
5286 * config/rs6000/rs6000.c: Include tm-constrs.h.
5287 (num_insn_constant_wide): Convert to satisfies_constraint.
5288 (rs6000_rtx_costs): Convert to satisfies_constraint.
5289 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5290 (CONST_OK_FOR_LETTER_P): Delete.
5291 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5292 (EXTRA_CONSTRAINT): Delete.
5293 (EXTRA_MEMORY_CONSTRAINT): Delete.
5294 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5295 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5296 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5297 satisfies_constraint.
5299 * config/i386/i386.c: Include tm-constrs.h.
5301 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5303 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5304 * tree-data-ref.c (find_data_references_in_loop,
5305 compute_data_dependences_for_loop): Use pointers to VEC.
5306 (analyze_all_data_dependences): Adjust calls.
5307 * tree-data-ref.h (find_data_references_in_loop,
5308 compute_data_dependences_for_loop): Adjust declarations.
5309 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5310 compute_data_dependences_for_loop.
5312 2006-03-29 Paul Brook <paul@codesourcery.com>
5314 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5317 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5319 PR tree-optimization/26859
5320 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5322 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5323 for the step after fold_convert.
5325 2006-03-29 Paul Brook <paul@codesourcery.com>
5327 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5328 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5330 2006-03-29 Paul Brook <paul@codesourcery.com>
5333 * targhooks.c (default_narrow_bitfield): New fuction.
5334 * targhooks.h (default_narrow_bitfield): add prototype.
5335 * target.h (gcc_target): Add narrow_volatile_bitfield.
5336 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5337 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5338 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5339 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5341 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5343 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5345 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5346 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5347 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5348 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5349 (s390_function_arg_float): Allow SDmode and DDmode values to be
5350 passed in floating point registers.
5351 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5352 check with SCALAR_FLOAT_MODE_P.
5353 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5355 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5357 PR tree-optimization/25985
5358 * tree-ssa-loop-niter.c (number_of_iterations_le,
5359 number_of_iterations_ne): Make comments more precise.
5360 (number_of_iterations_cond): Add only_exit argument. Use the
5361 fact that signed variables do not overflow only when only_exit
5363 (loop_only_exit_p): New.
5364 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5365 number_of_iterations_cond.
5367 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5369 PR tree-optimization/26643
5370 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5373 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5375 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5376 (divsi3_i4_int): Likewise.
5378 2006-03-28 Roger Sayle <roger@eyesopen.com>
5380 * expr.c (emit_group_store): Only create a new pseudo reg if the
5381 quantity it needs to hold isn't already a suitable pseudo.
5383 2006-03-28 Jeff Law <law@redhat.com>
5385 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5386 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5388 2006-03-28 Roger Sayle <roger@eyesopen.com>
5390 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5391 the equivalent ~X & Y, and the symmetry related transformations.
5392 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5393 ~X & Y, and symmetry related transforms.
5395 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5397 Revert my 2006-03-27 patches.
5399 2006-03-28 Roger Sayle <roger@eyesopen.com>
5401 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5402 ~(T1)X, when T1 and T2 are integer types of the same precision
5403 and (T2)X isn't an extension.
5405 2006-03-28 Jeff Law <law@redhat.com>
5407 PR tree-optimization/26796
5408 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5409 need EH edge cleanups rather than purging them immediately.
5410 (eliminate_degenerate_phis): Handle queued EH cleanups.
5412 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5414 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5417 2006-03-27 Roger Sayle <roger@eyesopen.com>
5420 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5421 cast BIT_NOT_EXPR operand to the correct type.
5423 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5425 * tree-loop-linear.c: Don't include varray.h.
5426 (gather_interchange_stats, try_interchange_loops,
5427 linear_transform_loops): Use VEC instead of VARRAY.
5428 * lambda-mat.c: Don't include varray.h.
5429 * tree-chrec.c: Same.
5430 * lambda-trans.c: Same.
5431 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5432 VEC instead of VARRAY.
5433 * tree-vectorizer.h: Idem.
5434 * tree-data-ref.c (dump_data_references,
5435 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5436 initialize_data_dependence_relation, finalize_ddr_dependent,
5437 compute_all_dependences, find_data_references_in_loop,
5438 compute_data_dependences_for_loop, analyze_all_data_dependences,
5439 free_dependence_relation, free_dependence_relations,
5440 free_data_refs): Idem.
5441 * tree-data-ref.h (data_reference_p, subscript_p): New.
5442 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5443 VEC instead of VARRAY.
5444 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5445 (find_data_references_in_loop, compute_data_dependences_for_loop,
5446 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5447 dump_data_dependence_relations, free_dependence_relations,
5448 free_data_refs): Adjust declaration.
5449 (lambda_transform_legal_p): Move declaration here...
5450 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5451 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5452 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5453 vect_analyze_data_refs): Use VEC instead of VARRAY.
5454 * lambda.h (lambda_transform_legal_p): ...from here.
5455 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5456 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5457 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5458 tree-chrec.o): Don't depend on VARRAY_H.
5460 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5462 * rtl.def (Copyright): Update date.
5463 (DEPS_LIST): Change type of the second operand to 'int'.
5464 * target.h (Copyright): Update date.
5465 (struct gcc_target.speculate_insn): Change type of the second parameter
5467 * lists.c (Copyright): Update date.
5468 (alloc_DEPS_LIST): Change signature. Update reference to the second
5469 operand of the DEPS_LIST.
5470 (copy_DEPS_LIST_list): Update reference to the second operand of the
5472 * rtl.h (Copyright): Update date.
5473 (alloc_DEPS_LIST): Update signature.
5474 * sched-int.h (Copyright): Update date.
5475 (ds_t): Change typedef to 'int'.
5476 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5478 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5480 * haifa-sched.c (Copyright): Update date.
5481 (try_ready): Change condition to restore non-speculative pattern
5483 (process_insn_depend_be_in_spec): Code to keep probability of the
5484 speculative dependence non-decreasing.
5486 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5488 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5489 shut up the compiler.
5491 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5493 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5494 to use lib prefix for target.
5495 ($(T)libic_invalidate_array_4-200.a): Likewise.
5496 ($(T)libic_invalidate_array_4a.a): Likewise.
5498 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5499 J"orn Rennecke <joern.rennecke@st.com>
5501 * superh.opt: New file.
5502 * sh.c (boardtype, osruntime): Remove.
5503 * superh.h (SUBTARGET_OPTIONS): Remove.
5504 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5506 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5507 arguments with ^ and/or [].
5509 * config.gcc (sh-*-*): Add quoting to account for quirk of
5511 Replace == with = in enable_incomplete_targets test.
5513 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5514 with MASK_LITTLE_ENDIAN.
5516 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5517 * config/sh/sh.opt: Added to some comments.
5518 * config/sh/superh.h: Removed some chaff.
5520 * config/sh/sh.opt: Add m4-[1234]00* options.
5521 * config/sh/sh.c (sh_handle_option): Likewise.
5522 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5523 (ic_invalidate_array_4-100.o): New rule.
5524 ($(T)libic_invalidate_array_4-100.a): Likewise.
5525 (ic_invalidate_array_4-200.o): Likewise.
5526 ($(T)libic_invalidate_array_4-200.a): Likewise.
5527 (ic_invalidate_array_4a.o): Likewise.
5528 ($(T)libic_invalidate_array_4a.a): Likewise.
5529 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5530 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5532 * config/sh/crt1.asm: Merged in profiling code.
5533 * config/sh/superh.h (STARTFILE_SPEC): Override.
5534 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5535 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5536 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5538 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5539 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5540 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5542 * sh.opt (mpretend-cmove): New option.
5543 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5544 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5545 (movsicc): Add TARGET_PRETEND_CMOVE code.
5547 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5549 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5550 s390_class_max_nregs): New function prototypes.
5551 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5552 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5553 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5554 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5556 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5558 * dwarf2out.c (add_location_or_const_value_attribute): Call
5559 tree_add_const_value_attribute if nothing else works.
5560 (reference_to_unused): New.
5561 (rtl_for_decl_init): Use reference_to_unused to decide whether
5562 to output an initializer.
5564 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5567 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5568 peephole removing spe frob_di_df_2.
5570 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5572 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5573 (subscript_dependence_tester_1): Declared.
5574 (print_dir_vectors, print_dist_vectors): New.
5575 (debug_data_dependence_relation): New.
5576 (dump_data_dependence_relation): Print more details.
5577 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5578 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5579 (save_dist_v, save_dir_v, add_outer_distances,
5580 build_classic_dist_vector_1): New.
5581 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5582 Don't test for lambda_vector_lexico_pos.
5583 (same_access_functions, add_multivariate_self_dist,
5584 add_other_self_distances, dir_from_dist): New.
5585 (build_classic_dir_vector): Replace implementation almost identical to
5586 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5588 (subscript_dependence_tester_1): New.
5589 (subscript_dependence_tester): Handle the lexicographically negative
5590 distance vectors by recomputing the dependence relation.
5591 (compute_affine_dependence): Remove parameter loop_nest_depth.
5592 (compute_self_dependence): Don't call compute_subscript_distance.
5593 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5594 Add a parameter for the loop_nest.
5595 (find_loop_nest_1, find_loop_nest): New.
5596 (compute_data_dependences_for_loop): Compute the loop nest, and give
5597 up if the nest is not well formed.
5598 * tree-data-ref.h (loop_p): New.
5599 (struct data_dependence_relation): Replace size_vect field with
5600 loop_nest, a vec of loops.
5601 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5602 (DDR_LOOP_NEST): New.
5603 (print_dir_vectors, print_dist_vectors,
5604 debug_data_dependence_relation): Declared.
5605 (index_in_loop_nest): New.
5606 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5607 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5610 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5612 * simplify-rtx.c (simplify_relational_operation): Call
5613 simplify_relational_operation_1 even if mode is VOIDmode.
5615 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5617 PR tree-optimization/26804
5618 * tree.h (DECL_CALL_CLOBBERED): New macro.
5619 (tree_decl_common): Add call_clobbered_flag.
5620 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5621 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5622 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5623 (mark_non_addressable): Ditto.
5624 * tree-ssa.c (verify_call_clobbered): New function.
5625 (verify_alias_info): Use it.
5626 * tree-pass.h (pass_reset_cc_flags): New prototype.
5627 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5628 (reset_cc_flags): New function.
5629 * passes.c (init_optimization_passes): Call reset_cc_flags after
5630 initializing referenced_vars.
5632 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5633 Roger Sayle <roger@eyesopen.com>
5636 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5637 to 1.0 for non-real operands. Implement A / A optimization for
5640 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5642 * config/i386/i386.c (size_cost): Correct the comment for
5643 cost of storing fp registers.
5644 (i386_cost): Likewise.
5645 (i486_cost): Likewise.
5646 (pentium_cost): Likewise.
5647 (pentiumpro_cost): Likewise.
5648 (k6_cost): Likewise.
5649 (athlon_cost): Likewise.
5650 (k8_cost): Likewise.
5651 (pentium4_cost): Likewise.
5652 (nocona_cost): Likewise.
5653 (generic64_cost): Likewise.
5654 (generic32_cost): Likewise.
5656 2006-03-24 Denis Chertykov <denisc@overta.ru>
5658 * config/avr/avr-protos.h (extra_constraint): Delete.
5659 (extra_constraint_Q): New declaration.
5660 * config/avr/constraints.md: New file.
5661 * config/avr/avr.md: Include it.
5662 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5663 (TMP_REGNO, ZERO_REGNO): Likewise.
5664 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5665 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5666 (extra_constraint): Delete.
5667 (extra_constraint_Q): Test for memory constraint 'Q'.
5668 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5669 (REG_CLASS_FROM_LETTER): Delete.
5670 (CONST_OK_FOR_LETTER_P): Delete.
5671 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5672 (EXTRA_CONSTRAINT): Delete.
5673 (TMP_REGNO): Delete.
5674 (ZERO_REGNO): Delete.
5676 2006-03-24 Jeff Law <law@redhat.com>
5678 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5679 directly. Call mark_new_vars_to_rename slightly earlier.
5681 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5683 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5685 (gen_compile_unit_die): Use new language types for Objective-C and
5687 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5688 DW_LANG_C_plus_plus.
5691 * config/t-darwin (crt3.o): Work around bug 26840.
5692 * config/darwin-crt3.c: Rewrite.
5693 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5695 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5697 * doc/invoke.texi: Document -femit-class-debug-always
5698 * common.opt: Add -femit-class-debug-always.
5700 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5702 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5703 index and base register.
5704 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5705 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5706 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5707 REGNO_OK_FOR_INDEX_P.
5708 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5710 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5711 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5712 REG_OK_FOR_BASE_P): Definitions removed.
5714 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5717 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5718 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5719 set yet or weren't marked as local yet.
5721 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5723 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5726 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5728 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5729 (rs6000_legitimate_small_data_p): Delete.
5730 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5731 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5732 and make static. Add forward declaration. Update uses.
5733 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5734 of offsettable_memref_p.
5735 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5736 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5738 2006-03-24 Jeff Law <law@redhat.com>
5740 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5741 around bug in immediate-use iterator.
5743 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5746 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5747 or __LITTLE_ENDIAN__.
5749 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5751 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5752 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5753 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5754 * config/sh/sh.opt (mdiv=): Amend description.
5755 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5756 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5757 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5758 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5759 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5760 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5761 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5762 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5763 TARGET_DIVIDE_CALL_FP.
5765 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5767 * haifa-sched.c (choose_ready): Fix type of the local variable.
5768 Move local variables. Add comment.
5769 (check_reg_live): Change signature. Make callable from debugger.
5770 * sched-int.h (check_reg_live): Update signature.
5771 * sched-ebb.c (check_reg_live): Update parameters.
5772 * sched-rgn.c (check_reg_live): Ditto.
5773 (region_head_or_leaf_p): Check pointer before dereferencing.
5774 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5775 before reload on optimization levels below 1.
5777 2006-03-23 Richard Henderson <rth@redhat.com>
5779 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5783 * config/alpha/predicates.md (local_symbolic_operand): Reject
5786 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5789 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5790 expressions which have overflowed constants.
5792 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5794 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5796 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5798 * cfgloopmanip.c (create_loop_notes): Removed.
5799 * final.c (final_scan_insn): Do not handle loop notes.
5800 * jump.c (squeeze_notes): Ditto.
5801 * cfglayout.c (skip_insns_after_block,
5802 duplicate_insn_chain): Ditto.
5803 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5805 * cfgloop.h (create_loop_notes): Declaration removed.
5807 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5809 * varasm.c (output_constant_pool): Restore fnname and fndecl
5811 (assemble_start_function): Adjust call accordingly.
5812 (assemble_end_function): Likewise.
5814 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5817 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5820 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5822 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5825 * system.h (ICE_EXIT_CODE): New macro.
5826 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5827 (diagnostic_action_after_output): Likewise.
5828 * gcc.c (fatal_ice): New function.
5829 (execute): Use it instead of fatal.
5830 (fancy_abort): Likewise.
5831 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5833 2006-03-22 Jeff Law <law@redhat.com>
5835 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5836 iv_analyze_result returning false.
5838 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5840 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5842 2006-03-22 Richard Henderson <rth@redhat.com>
5845 * except.c (duplicate_eh_regions_0): New.
5846 (duplicate_eh_region_1): Duplicate the children of the node as
5847 well as the node itself. Link them up properly.
5848 (duplicate_eh_region_2): Merge into ...
5849 (duplicate_eh_regions): ... here. Take copy_region argument, and
5850 copy only a sub-tree if asked. Simplify copying and fixup.
5851 (eh_region_outer_p): New.
5852 * except.h (duplicate_eh_regions): Update decl.
5853 (eh_region_outer_p): Declare.
5854 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5855 (lower_omp_master): Likewise.
5856 (lower_omp_ordered): Likewise.
5857 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5858 (move_stmt_r): Use it to remap labels. Handle recursion vs
5859 remap_decls_p properly.
5860 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5861 (find_outermost_region_in_block): New.
5862 (new_label_mapper): New.
5863 (move_sese_region_to_fn): Copy eh information to the new function
5865 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5867 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5870 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5872 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5873 into shared libraries.
5875 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5877 * doc/md.texi: Refer to i386/constraints.md instead of
5879 * config/i386/constraints.md: New file, extracted from...
5880 * config/i386/predicates.md: ...here.
5881 * config/i386/i386.md: Include constraints.md.
5883 2006-03-21 Jason Merrill <jason@redhat.com>
5885 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5888 * expr.c (init_block_move_fn): Force default visibility.
5889 (init_block_clear_fn): Likewise.
5890 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5891 * targhooks.c (default_external_stack_protect_fail): Likewise.
5893 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5895 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5896 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5897 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5898 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5899 (loadgp): Use mips_current_loadgp_style.
5900 (loadgp_noshared): New pattern.
5901 (sibcall_internal): Use MIPS_CALL.
5902 (sibcall_value_internal): Likewise.
5903 (sibcall_value_multiple_internal): Likewise.
5904 (call_internal): Likewise.
5905 (call_value_internal): Likewise.
5906 (call_value_multiple_internal): Likewise.
5907 (call_split): Use MIPS_CALL and add an 'S' constraint.
5908 (call_value_split): Likewise.
5909 (call_value_multiple_split): Likewise.
5910 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5911 (-mshared): New option.
5912 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5913 (mips_current_loadgp_style): Declare.
5914 * config/mips/mips.c (mips_classify_symbol): Avoid using
5915 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5916 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5917 TARGET_ABSOLUTE_ABICALLS.
5918 (override_options): Adjust comments. Improve the warning that is
5919 issued when -mabicalls and -G are used together.
5920 (mips_file_start): Remove comment.
5921 (mips_current_loadgp_style): New function.
5922 (mips_gnu_local_gp): New variable.
5923 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5925 (mips_output_function_prologue): Use mips_current_laodgp_style.
5926 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5927 the cprestore instruction.
5928 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5929 live for TARGET_ABSOLUTE_ABICALLS.
5930 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5931 (ASM_SPEC): Pass down -mshared and -mno-shared.
5932 (MIPS_CALL): New macro.
5933 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5935 * doc/invoke.texi (-mabicalls): Update documentation.
5936 (-mshared): Document.
5938 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5940 * config/ia64/unwind-hpux.c: New file.
5941 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5943 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5946 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5948 2006-03-21 Jeff Law <law@redhat.com>
5950 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5951 type conversions of a VR_VARYING source to a wider type.
5953 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5955 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5956 tm_file on Solaris 10 and later.
5957 (sparc64-*-solaris2*): Likewise.
5958 (sparc-*-solaris2*): Likewise.
5959 * config/sol26.h: Rename to config/sol2-6.h.
5960 * config/sol2-10.h: New file.
5962 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5965 * tree-ssa-pre.c (create_component_ref_by_pieces):
5968 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5971 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5972 return it immediately.
5974 2006-03-21 Michael Matz <matz@suse.de>
5976 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5978 (remove_arc, add_arc): Update num_out_arcs member.
5979 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5981 (cache_presence): New function.
5982 (compare_states_for_equiv): New function.
5983 (state_is_differed): Don't take number of outargs, adjust callers.
5984 Use new invariant for speeding up.
5985 (init_equiv_class): Create initial classes based on sorted
5987 (partition_equiv_class): Don't track out_arcs_num.
5988 (evaluate_equiv_classes): Call cache_presence on all states and
5991 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5993 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5994 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5995 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5996 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5998 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5999 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6000 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6001 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6002 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6004 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6005 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6006 (REGNO_REG_CLASS): ARGP is in PREGS.
6007 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6009 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6010 to deal with those addresses.
6011 * addresses.h: New file.
6012 * caller-save.c: Include "addresses.h".
6013 (init_caller_save): Use new base_reg_class function.
6014 * rtl-factoring.c: Include "addresses.h".
6015 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6016 * recog.c: Include "addresses.h".
6017 (preprocess_constraints): Use new base_reg_class function.
6018 * regrename.c: Include "addresses.h".
6019 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6020 functions. Keep track of a new var INDEX_CODE to compute valid
6022 (replace_oldest_value_addr): Likewise.
6023 (replace_oldest_value_mem): Use base_reg_class.
6024 * reload.c: Include "addresses.h".
6025 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6026 (find_reloads): Use new base_reg_class function.
6027 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6028 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6029 all callers and prototype changed.
6030 * reload1.c: Include "addresses.h".
6031 (maybe_fix_stack_asms): Use base_reg_class.
6032 * regclass.c: Include "addresses.h".
6033 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6034 (init_reg_autoinc): Use new base_reg_class function.
6035 (record_reg_classes): Likewise.
6036 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6037 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6038 Use new args to compute necessary class.
6040 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6041 regrename.o, rtl-factoring.o): Update dependencies.
6042 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6043 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6044 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6045 REG_OK_FOR_INDEX_P): Delete documentation.
6047 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6049 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6050 from V7 to V9 for Solaris 7 and above.
6052 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6054 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6055 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6056 argument pointers may not alias any other storage.
6057 * common.opt: Define option -fargument-noalias-anything.
6058 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6059 alias semantics is specified by flag_argument_noalias > 2.
6061 2006-03-20 Jeff Law <law@redhat.com>
6063 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6064 (pass_phi_only_cprop): Declare.
6065 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6067 * tree-ssa-dom.c (degenerate_phi_result): New function.
6068 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6069 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6070 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6071 (eliminate_degenerate_phis): Likewise.
6072 (pass_phi_only_cprop): New pass descriptor.
6073 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6074 support code. Callers updated.
6075 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6076 (store_copy_prop): Likewise.
6077 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6079 2006-03-20 Jason Merrill <jason@redhat.com>
6082 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6083 (push_visibility, pop_visibility): Likewise.
6084 * c-pragma.h: Declare them.
6086 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6088 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6090 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6091 parameter and use get_ebb_head_tail.
6092 (sh_md_init_global): Adjust uses of find_regmode_weight.
6094 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6096 * function.h (struct function) <x_tail_recursion_reentry>:
6097 Rename to x_stack_check_probe_note.
6098 (tail_recursion_reentry): Rename to stack_check_probe_note.
6099 * function.c: Replace tail_recursion_reentry with
6100 stack_check_probe_note everywhere.
6101 (expand_function_start): Only emit a note for
6102 stack_check_probe_note with -fstack-protect.
6103 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6105 * emit-rtl.c (remove_unnecessary_notes): Remove.
6106 (pass_remove_unnecessary_notes): Remove.
6107 * rtl.h (remove_unnecessary_notes): Remove prototype.
6108 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6109 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6110 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6112 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6115 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6116 (valid_in_set): Handle ARRAY_REF.
6117 Change "if min_variant or VH" to asserts.
6118 (create_component_ref_by_pieces): Handle ARRAY_REF.
6119 (create_expression_by_pieces): Likewise.
6120 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6122 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6124 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6125 is operand of switch, not str[0].
6127 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6129 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6130 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6132 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6134 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6135 end of insn_extra_address_constraint declaration.
6137 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6139 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6140 (no-sum-in-toc): Same.
6141 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6143 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6144 NO_FP_IN_TOC for -fPIC instead of mask.
6146 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6147 (BOOT_LDFLAGS): Delete.
6149 * config/rs6000/t-aix52: Same.
6151 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6152 (stmsi[345678]_power): New.
6154 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6156 * config/ia64/ia64.opt: Add empty line to end of file.
6158 2006-03-17 Richard Guenther <rguenther@suse.de>
6161 * builtins.c (get_pointer_alignment): For component style references
6162 adjust alignment to the component type alignment. Make sure
6163 to adjust alignment for component access of constants.
6165 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6167 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6170 2006-03-17 Paul Brook <paul@codesourcery.com>
6172 * doc/install.texi: Docuemnt --with-mode.
6173 * config.gcc: Add --with-mode for arm*-*-*.
6174 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6176 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6178 * sh.c (max_labelno_before_reorg): New variable.
6179 (sh_reorg): Initialize it.
6180 (find_barrier): Check max_labelno_before_reorg before using
6181 label_to_alignment. Take length of explicit alignment insns
6182 into account. When seeing a UNSPECV_CONST_END, return it.
6184 * sh.c (fixup_mova): Set mode of affected label to QImode.
6185 (untangle_mova): New function.
6186 (find_barrier): Use it. Check mode of label before decrementing
6188 (sh_reorg): Likewise.
6189 Set mode of all insns back to VOIDmode.
6191 * sh.c (MOVA_LABELREF): New macro.
6192 (mova_p, fixup_mova, sh_reorg): Use it.
6193 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6194 ADDR_DIFF_VEC matches mova.
6196 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6198 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6199 with ATTRIBUTE_UNUSED.
6201 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6203 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6204 pointer, instead of assuming it is possible to derive the
6205 correct args size from a call insn.
6207 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6209 * rtl.h (CONST_INT_P): Define.
6210 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6211 instead of GET_CODE(x) == CONST_INT.
6212 (vax_rtx_costs): Likewise.
6213 (vax_output_int_move): Likewise.
6214 (vax_output_int_add): Likewise.
6215 (legitimate_constant_address_p): Likewise.
6216 (index_term_p): Likewise.
6217 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6218 * config/vax/vax.md (and<mode>3): Likewise.
6219 (ashrsi3): Likewise.
6221 (movstricthi): Likewise.
6222 (movstrictqi): Likewise.
6223 (rotrsi3): Likewise.
6224 (five unnamed insns): Likewise.
6226 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6228 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6229 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6230 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6231 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6232 Pass to ASM_OUTPUT_DWARF_OFFSET.
6233 * dwarf2out.c (debug_frame_section): New.
6234 (output_call_frame_info): Use debug_frame_section. Pass it to
6235 dw2_asm_output_offset.
6236 (output_die): Pass appropriate section to dw2_asm_output_offset.
6237 (output_compilation_unit_header): Likewise.
6238 (output_pubnames): Likewise.
6239 (output_aranges): Likewise.
6240 (enum dw_val_class): Break dw_val_class_lbl_offset into
6241 dw_val_class_lineptr and dw_val_class_macptr.
6242 (add_AT_lbl_offset): Delete.
6243 (add_AT_lineptr): New.
6244 (add_AT_macptr): New.
6245 (AT_lbl): Expect a lineptr or macptr.
6246 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6247 (attr_checksum): Likewise.
6248 (same_dw_val_p): Likewise.
6249 (size_of_die): Likewise.
6250 (value_format): Likewise.
6251 (output_die): Likewise.
6252 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6254 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6255 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6256 * config/darwin-protos.h (darwin_file_start): New.
6257 (darwin_asm_output_dwarf_offset): New.
6258 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6259 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6261 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6262 if not EH section; simplify.
6263 (darwin_file_start): New.
6264 (darwin_asm_output_dwarf_offset): New.
6265 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6267 (DEBUG_INFO_SECTION): Likewise.
6268 (DEBUG_ABBREV_SECTION): Likewise.
6269 (DEBUG_ARANGES_SECTION): Likewise.
6270 (DEBUG_MACINFO_SECTION): Likewise.
6271 (DEBUG_LINE_SECTION): Likewise.
6272 (DEBUG_LOC_SECTION): Likewise.
6273 (DEBUG_PUBNAMES_SECTION): Likewise.
6274 (DEBUG_STR_SECTION): Likewise.
6275 (DEBUG_RANGES_SECTION): Likewise.
6276 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6277 (ASM_OUTPUT_DWARF_OFFSET): New.
6279 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6281 * config.gcc (tm_defines): Always add to previous value rather
6284 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6286 * config/mips/predicates.md (splittable_const_int_operand): New,
6287 split from move_operand.
6288 (splittable_symbolic_operand): New.
6289 (move_operand): Add commentary. Use splittable_const_int_operand.
6290 Inline mips_atomic_symbolic_constant_p.
6291 * config/mips/mips.md: Add combine splitters for handling moves
6292 of splittable_const_int_operands and splittable_symbolic_operands.
6293 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6294 (mips_split_symbol): Declare.
6295 (mips_move_integer): Declare.
6296 * config/mips/mips.c (mips_split_p): Make global.
6297 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6298 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6299 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6300 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6301 (mips_offset_within_object_p): Handle block symbols.
6302 (mips_atomic_symbolic_constant_p): Delete.
6303 (mips_cannot_force_const_mem): Return false for constants that
6304 mips_legitimize_move can handle.
6305 (mips_use_blocks_for_constant_p): New function.
6306 (mips_split_symbol): Make global.
6307 (mips_move_integer): Likewise. Add a temporary register argument.
6308 (mips_legitimize_const_move): Use splittable_const_int_operand and
6309 splittable_symbolic_operand.
6310 (mips_use_anchors_for_symbol_p): New function.
6311 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6312 (mips_split_p): Declare.
6314 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6316 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6317 (mips*-*-linux*): Likewise.
6319 2006-03-16 Roger Sayle <roger@eyesopen.com>
6320 Daniel Speyer <dspeyer@wam.umd.edu>
6323 * tree-dump.c (dump_real): New function.
6324 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6325 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6326 (tree-dump.o): Add $(REAL_H) to the dependencies.
6328 2006-03-16 Roger Sayle <roger@eyesopen.com>
6331 * real.c (real_from_string): If the mantissa is zero, don't bother
6332 parsing the exponent as the result should always be zero.
6334 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6336 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6338 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6340 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6341 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6342 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6343 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6344 ia64_sched_finish_global): New static functions to implement
6345 hooks from gcc_target.sched.
6346 (spec_check_no, max_uid, pending_data_specs): New static variables.
6347 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6348 ia64_spec_check_src_p): New static functions.
6349 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6350 (TARGET_SCHED_ADJUST_COST): Removed.
6351 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6352 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6353 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6354 TARGET_SCHED_GEN_CHECK,
6355 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6356 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6357 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6358 Fixed to handle speculation checks.
6359 (rtx_needs_barrier): Fixed to handle speculative loads and
6361 (ia64_variable_issue): Added code to count speculative loads and their
6363 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6365 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6367 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6369 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6370 (ia64_reorg): Reset stops_p to NULL after it is freed.
6371 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6372 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6373 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6375 (data_speculative, control_speculative, check_load): New attributes.
6376 (mov<mode>_advanced, mov<mode>_speculative,
6377 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6378 zero_extend<mode>di2_speculative,
6379 zero_extend<mode>di2_speculative_advanced): New patterns for
6380 data and control speculative loads.
6381 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6383 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6384 New pattern for data and control speculation checks.
6385 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6386 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6387 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6388 Auxiliary definitions for the patterns.
6389 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6390 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6392 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6394 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6395 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6396 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6397 New resource constraints.
6398 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6400 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6401 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6402 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6403 msched-in-control-spec, msched-ldc, msched-control-ldc,
6404 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6405 msched-prefer-non-control-spec-insns,
6406 msched-count-spec-in-critical-path): New flags to tune speculative
6408 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6409 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6410 msched-in-control-spec, msched-ldc, msched-control-ldc,
6411 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6412 msched-prefer-non-control-spec-insns,
6413 msched-count-spec-in-critical-path): Document new flags.
6415 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6417 * target.h (struct spec_info_def): New opaque declaration.
6418 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6419 speculate_insn, needs_block_p, gen_check,
6420 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6421 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6422 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6423 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6424 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6425 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6427 (TARGET_SCHED): Use new macros.
6428 * rtl.h (copy_DEPS_LIST_list): New prototype.
6429 * sched-int.h (struct sched_info): Change signature of new_ready field,
6430 adjust all initializations. New fields: add_remove_insn,
6431 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6432 region_head_or_leaf_p.
6433 (struct spec_info_def): New structure declaration.
6434 (spec_info_t): New typedef.
6435 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6436 recovery_block, orig_pat.
6437 (glat_start, glat_end): New variables declaraions.
6438 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6440 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6441 DETACH_LIFE_INFO, USE_GLAT.
6442 (enum SPEC_SCHED_FLAGS): New enumeration.
6443 (NOTE_NOTE_BB_P): New macro.
6444 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6445 attach_life_info, debug_spec_status, check_reg_live): New functions.
6446 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6447 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6449 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6450 * ddg.c (get_block_head_tail): Adjust all uses.
6451 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6452 (sms_sched_info): Initialize new fields.
6453 (contributes_to_priority): Removed.
6454 * haifa-sched.c (params.h): New include.
6455 (get_block_head_tail): Adjust all uses.
6456 (ISSUE_POINTS): New macro.
6457 (glat_start, glat_end): New global variables.
6458 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6459 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6460 old_last_basic_block, before_recovery, current_sched_info_var,
6461 rgn_n_insns, luid): New static variables.
6462 (insn_cost1): New function. Move logic from insn_cost to here.
6463 (find_insn_reg_weight1): New function. Move logic from
6464 find_insn_reg_weight to here.
6465 (reemit_notes, move_insn, max_issue): Change signature.
6466 (move_insn1): Removed.
6467 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6468 extend_bb): New static functions to support extension of scheduler's
6470 (generate_recovery_code, process_insn_depend_be_in_spec,
6471 begin_speculative_block, add_to_speculative_block,
6472 init_before_recovery, create_recovery_block, create_check_block_twin,
6473 fix_recovery_deps): New static functions to support
6474 generation of recovery code.
6475 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6476 restore_bb_notes, move_block_after_check, move_succs): New static
6477 functions to support ebb scheduling.
6478 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6479 functions to support handling of register live information.
6480 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6481 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6482 add_jump_dependencies): New static functions.
6483 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6484 consistancy checking.
6485 (debug_spec_status): New function to call from debugger.
6486 (priority): Added code to handle speculation checks.
6487 (rank_for_schedule): Added code to distinguish speculative instructions.
6488 (schedule_insn): Added code to handle speculation checks.
6489 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6490 Fixed to handle ebbs.
6491 (move_insn): Added code to handle ebb scheduling.
6492 (max_issue): Added code to use ISSUE_POINTS of instructions.
6493 (choose_ready): Added code to choose between speculative and
6494 non-speculative instructions.
6495 (schedule_block): Added code to handle ebb scheduling and scheduling of
6496 speculative instructions.
6497 (sched_init): Initialize new variables.
6498 (sched_finish): Free new variables. Print statistics.
6499 (try_ready): Added code to handle speculative instructions.
6500 * lists.c (copy_DEPS_LIST_list): New function.
6501 * sched-deps.c (extend_dependency_caches): New function. Move logic
6502 from create_dependency_caches to here.
6503 (get_dep_weak, ds_merge): Make global.
6504 * genattr.c (main): Code to output prototype for
6505 dfa_clear_single_insn_cache.
6506 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6507 (output_dfa_clean_insn_cache_func): Code to output
6508 dfa_clear_single_insn_cache function.
6509 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6511 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6513 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6514 New static variables.
6515 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6516 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6518 (ebb_sched_info): Initialize new fields.
6519 (get_block_head_tail): Adjust all uses.
6520 (compute_jump_reg_dependencies): Fixed to use glat_start.
6521 (schedule_ebb): Code to remove unreachable last block.
6522 (schedule_ebbs): Added code to update register live information.
6523 * sched-rgn.c (region_sched_info): Initialize new fields.
6524 (get_block_head_tail): Adjust all uses.
6525 (last_was_jump): Removed. Adjust users.
6526 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6527 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6528 Implement new hooks.
6529 (check_dead_notes1): New static function.
6530 (struct region): New fields: dont_calc_deps, has_real_ebb.
6531 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6532 (BB_TO_BLOCK): Fixed to handle EBBs.
6533 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6534 (ebb_head): New static variable.
6535 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6536 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6538 (compute_dom_prob_ps): New assertion.
6539 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6540 global_live_at_start.
6541 (init_ready_list): New assertions.
6542 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6543 (new_ready): Add support for BEGIN_CONTROL speculation.
6544 (schedule_insns): Fixed code that updates register live information
6546 (schedule_region): Fixed to handle EBBs.
6547 (init_regions): Use extend_regions and check_dead_notes1.
6548 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6549 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6550 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6551 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6552 TARGET_SCHED_GEN_CHECK,
6553 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6554 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6555 * doc/invoke.texi (max-sched-insn-conflict-delay,
6556 sched-spec-prob-cutoff): Document.
6558 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6560 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6561 inter_tick, queue_index.
6562 (struct sched_info): Change signature of init_ready_list field.
6563 Adjust all initializations.
6564 (RESOLVED_DEPS): New access macro.
6565 (ready_add): Remove prototype.
6566 (try_ready): Add prototype.
6567 * sched-rgn.c (init_ready_list): Use try_ready.
6568 (schedule_region): Initialize
6569 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6570 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6571 (init_ready_list): Use try_ready.
6572 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6573 * lists.c (remove_list_elem): Remove `static'.
6574 (remove_free_INSN_LIST_elem): New function.
6575 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6576 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6577 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6579 (readyp): New variable.
6580 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6581 change_queue_index, resolve_dep): New static functions.
6582 (try_ready): New function. Adjust callers in sched-rgn.c and
6583 sched-ebb.c to use it instead of ready_add.
6584 (clock_var): Move at the begining of file.
6585 (rank_for_schedule): Fix typo.
6586 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6587 (ready_lastpos): Enforce assertion.
6588 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6590 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6591 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6592 (queue_to_ready): Use free_INSN_LIST_list.
6593 (early_queue_to_ready): Fix typo.
6594 (schedule_block): Init readyp. Move init_ready_list call after the
6595 initialization of clock_var. Fix error in rejecting insn by
6596 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6597 that previously corrected INSN_TICKs. Add code for handling
6599 (set_priorities): Fix typo.
6600 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6601 Clarify comment and code that keeps current_sched_info->next_tail
6604 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6606 * sched-rgn.c (extend_rgns): New static function.
6607 (find_rgns): Use it.
6608 (gather_region_statistics, print_region_statistics): New static
6610 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6611 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6613 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6614 Andrey Belevantsev <abel@ispras.ru>
6616 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6617 * lists.c (unused_deps_list): New variable.
6618 (free_list): Add assertions to verify the proper distinguishing
6619 between INSN_LISTs and DEPS_LISTs.
6620 (find_list_elem, remove_list_elem, remove_list_node): New static
6622 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6623 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6624 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6625 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6627 (free_INSN_LIST_node): Likewise.
6628 * modulo-sched.c (current_sched_info): Initialize flags field.
6629 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6630 * rtl.def (DEPS_LIST): Define.
6631 * rtl.h: Declare new functions from lists.c.
6632 * sched-deps.c (spec_dependency_cache): New static variable.
6633 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6634 (add_dependence): Change return type to void. Move the logic to ...
6635 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6636 (delete_all_dependences): Add comment about forward_dependency_cache.
6637 Handle spec_dependency_cache. Handle DEPS_LISTs.
6638 (fixup_sched_groups): Clarify the change of priority of output
6639 and anti dependencies.
6640 (sched_analyze_2): Adjust add_dependence calls to create data
6641 speculative dependence.
6642 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6643 Adjust all callers. Handle DEPS_LISTS.
6644 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6645 presence of speculation.
6646 (init_dependency_caches, free_dependency_caches):
6647 Handle spec_dependency_cache.
6648 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6649 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6650 New static functions.
6651 (add_or_update_back_dep, add_or_update_back_forw_dep,
6652 add_back_forw_dep, delete_back_forw_dep): New functions.
6653 * sched-int.h (ds_t, dw_t): New typedefs.
6654 (struct sched_info): Add new field flags.
6655 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6656 Prototype new sched-deps.c functions.
6657 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6658 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6659 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6660 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6661 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6662 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6664 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6666 * sched-rgn.c (current_sched_info): Initialize flags field.
6667 (schedule_insns): Initialize current_sched_info before the sched_init
6669 * sched-ebb.c (current_sched_info): Initialize flags field.
6670 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6671 Call add_or_update_back_dep instead of add_dependence.
6672 Create control speculative dependencies.
6673 (schedule_insns): Initialize current_sched_info before the sched_init
6676 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6678 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6680 (sh_fallback_frame_state): Likewise.
6682 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6684 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6685 Do switch on default_use_cxa_atexit.
6686 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6687 * config/darwin-crt3.o: New.
6688 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6689 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6690 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6692 * config/rs6000/t-darwin: Move crt2.o building to here.
6693 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6694 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6697 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6699 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6700 from '! xxx' to '!xxx' for coding-style conformance.
6701 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6702 (EXTRA_CONSTRAINT): Likewise.
6703 * config/vax/vax.md (four unnamed insns): Likewise.
6705 2006-03-15 Paul Brook <paul@codesourcery.com>
6707 * config/arm/arm.c (minipool_pad): New.
6708 (add_minipool_forward_ref): Include pool alignment padding in address
6710 (push_minipool_fix): Set minipool_pad.
6711 (minipool_pad): Ditto.
6713 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6715 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6716 instead of GET_CODE() == MEM and REG_P() instead of
6718 (print_operand_address): Likewise.
6719 (vax_address_cost): Likewise.
6720 (vax_rtx_costs): Likewise.
6721 (vax_notice_update_cc): Likewise.
6722 (vax_output_int_add): Likewise.
6723 (INDEX_REGISTER_P): Likewise.
6724 (BASE_REGISTER_P): Likewise.
6725 (nonindexed_address_p): Likewise.
6726 (vax_mode_dependent_address_p): Likewise.
6727 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6728 (PRINT_OPERAND): Likewise.
6729 * config/vax/vax.md (ashlsi3): Likewise.
6730 (ashlsi3): Likewise.
6731 (some more unnamed insns): Likewise.
6733 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6735 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6736 iterator-style macro.
6737 (mark_control_dependent_edges_necessary): Update the use of
6738 EXECUTE_IF_CONTROL_DEPENDENT.
6740 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6742 * config/sh/predicates.md (cache_address_operand): Special.
6743 (ua_address_operand): Likewise.
6745 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6747 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6749 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6751 2006-03-15 Andreas Schwab <schwab@suse.de>
6753 * gensupport.c (identify_predicable_attribute): Don't free p_false
6754 when it is still in use.
6756 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6758 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6759 the default setting here.
6761 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6763 * tree-pass.h (pass_cfg): Remove.
6764 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6765 * passes.c (pass_cfg): Don't run it.
6767 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6769 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6770 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6772 (stack_regs_mentioned): Update the uses of
6773 stack_regs_mentioned_data. Don't access the array beyond its
6775 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6776 Don't include gt-reg-stack.h.
6778 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6779 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6781 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6784 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6787 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6789 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6791 2006-03-14 Richard Guenther <rguenther@suse.de>
6793 PR tree-optimization/26672
6794 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6797 2006-03-14 Richard Guenther <rguenther@suse.de>
6799 PR tree-optimization/26667
6800 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6801 node for the callees. Always allow inlining if it will shrink
6804 2006-03-14 Richard Guenther <rguenther@suse.de>
6807 * builtins.c (get_pointer_alignment): Prefer alignment
6808 information from decls over that from types.
6810 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6813 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6815 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6817 * config/rs6000/rs6000.opt (mdlmzb): New option.
6818 (msched-prolog, msched-epilog): Use Var not Mask.
6819 * doc/invoke.texi (-mdlmzb): Document.
6820 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6822 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6823 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6825 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6827 PR rtl-optimization/25739
6828 * bt-load.c (augment_live_range): Free tos pointer.
6830 * gensupport.c (identify_predicable_attribute): Free
6832 * gcov.c (create_file_names): Free name pointer.
6834 2006-03-13 Roger Sayle <roger@eyesopen.com>
6837 * stmt.c (emit_case_nodes): Handle the case where the index is a
6838 CONST_INT, where the comparison mode is specified by the index type.
6840 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6842 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6845 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6847 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6848 (*branch_fp_inverted): Likewise.
6850 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6853 * omp-low.c (expand_omp_for_generic): Mark istart0
6854 and iend0 as addressable.
6856 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6858 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6860 2006-03-13 Jeff Law <law@redhat.com>
6862 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6863 virtual operands are interesting.
6864 (vrp_visit_stmt): Corresponding changes.
6866 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6868 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6870 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6871 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6872 * config/bfin/crti.S: Use it instead of __PIC__.
6873 * config/bfin/crtn.S: Likewise.
6875 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6876 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6878 Lose 'G' modifier for call operand.
6879 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6880 recognize 'G' modifier.
6882 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6885 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6886 * stmt.c (expand_case): Likewise.
6888 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6890 PR rtl-optimization/26254
6891 * loop-invariant.c (seq_insns_valid_p): New function.
6892 (move_invariant_reg): Only emit new code if it is valid.
6894 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6896 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6898 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6899 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6900 (commit_one_edge_insertion): Do not look for loop notes.
6902 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6904 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6905 flag_test_coverage out of loop.
6907 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6909 * final.c (shorten_branches): Remove outdated comment, and turn
6910 the if branch that guards it to continue.
6912 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6914 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6915 * cfgloop.h (struct loop): Remove unused fields.
6917 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6919 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6920 (-dL, -fdump-rtl-loop2): Update the dump file names
6922 * doc/invoke.texi: Update dump file names.
6924 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6926 * predict.c (estimate_probability): Remove.
6927 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6928 * basic-block.h (estimate_probability): Remove prototype.
6929 * passes.c (finish_optimization_passes): Dump branch prediction or
6930 profiling heuristics to the .profile tree dump.
6931 (init_optimization_passes): Unqueue pass_branch_prob.
6933 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6935 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6937 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6938 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6940 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6942 * function.h (frame_offset_overflow): Declare.
6943 * function.c (frame_offset_overflow): New function.
6944 (assign_stack_local_1): Call it to detect that the offset overflows.
6945 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6947 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6949 * config/sh/sh.c: Include alloc-pool.h.
6950 (label_ref_list_pool): New alloc pool.
6951 (label_ref_list_t): New type for lists of labels.
6952 (struct pool_node): Make wend a label_ref_list_t.
6953 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6955 (dump_table): Likewise.
6956 (sh_reorg): Set up the alloc pool before using add_constant and
6957 dump_table, and destroy it when finishing.
6959 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6961 * config/mips/mips.c: Remove redundant comment.
6963 2006-03-10 Jason Merrill <jason@redhat.com>
6966 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6967 the target was declared 'register'.
6969 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6971 * genpreds.c (write_insn_constraint_len): Change definition of
6972 insn_constraint_len to return size_t to match the declaration.
6974 2006-03-10 DJ Delorie <dj@redhat.com>
6976 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6978 (m32c_expand_insv): Fix test for an AND mask.
6980 2006-03-10 Richard Guenther <rguenther@suse.de>
6983 * builtins.c (get_pointer_alignment): Handle component
6984 references for field alignment.
6986 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6988 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6989 when building with libgloss.
6990 (sh*elf): Implement --without-fp option.
6991 (sh64-superh-linux*): Don't multilib.
6993 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6995 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6997 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6999 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7000 Set it when one of the replacement functions returned true.
7001 Return TODO_cleanup_cfg if cfgchanged is true.
7002 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7004 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7006 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7007 instead of gen_lowpart.
7009 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7011 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7013 (mips_output_order_conditional_branch): Declare.
7014 * config/mips/mips.h (MIPS_BRANCH): New macro.
7015 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7016 for the comparison. Use gen_condjump.
7017 (mips_output_conditional_branch): Rework interface to take the
7018 asm templates for a direct branch and the inverse of a direct branch.
7019 (mips_output_order_conditional_branch): New function.
7020 (mips_builtin_branch_and_move): New function.
7021 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7022 branch condition. Use gen_single_cc as the condition for
7023 __builtin_mips_upper_* or __builtin_mips_lower_*.
7024 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7025 Use VOIDmode for the branch condition.
7026 * config/mips/predicates.md (order_operator): New predicate.
7027 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7028 (branch_fp): Rename to...
7029 (*branch_fp): ...this. Remove mode from comparison operator.
7030 Use new mips_output_conditional_branch interface.
7031 (branch_fp_inverted): Rename to...
7032 (*branch_fp_inverted): ...this and update as for *branch_fp.
7033 (*branch_zero<mode>): Rename to...
7034 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7035 Use mips_output_order_conditional_branch. Only accept ordered
7037 (*branch_zero<mode>_inverted): Rename to...
7038 (*branch_order<mode>_inverted): ...this and update as for
7039 *branch_order<mode>.
7040 (*branch_equality<mode>): Accept zero as the second operand to
7041 the equality operator. Use the new mips_output_conditional_branch
7043 (*branch_equality<mode>_inverted): Likewise.
7044 (condjump): New expander.
7045 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7047 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7048 (bc1any2t, bc1any2f): Likewise.
7049 (single_cc): New expander.
7050 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7052 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7054 * doc/md.texi: Update documentation of MIPS constraints.
7055 * config/mips/constraints.md: New file.
7056 * config/mips/mips.md: Include it.
7057 * config/mips/mips.c (mips_char_to_class): Delete.
7058 (override_options): Don't initialize mips_char_to_class.
7059 * config/mips/mips.h (mips_char_to_class): Delete.
7060 (REG_CLASS_FROM_LETTER): Delete.
7061 (CONST_OK_FOR_LETTER_P): Delete.
7062 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7063 (EXTRA_CONSTRAINT_Y): Delete.
7064 (EXTRA_CONSTRAINT_STR): Delete.
7065 (CONSTRAINT_LEN): Delete.
7066 (EXTRA_MEMORY_CONSTRAINT): Delete.
7068 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7070 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7071 original fn's eh regions.
7073 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7075 * fold-const.c (build_range_check): Make sure to use a valid type to
7076 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7079 (range_predecessor): New static function.
7080 (range_successor): Likewise.
7081 (merge_ranges): Use them to compute predecessors and successors of
7084 2006-03-09 Roger Sayle <roger@eyesopen.com>
7087 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7088 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7090 2006-03-08 DJ Delorie <dj@redhat.com>
7092 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7093 (addpsi3): Expand to include memory operands. Remove
7094 reload-specific splits.
7095 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7096 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7097 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7098 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7099 (shift1_qi, shift1_hi, insv): New.
7100 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7101 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7102 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7104 * config/m32c/m32c-protos.h: Update as needed.
7105 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7106 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7107 Fail for unrecognized R* constraints.
7108 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7109 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7110 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7112 (m32c_init_libfuncs): New.
7113 (m32c_legitimate_address_p): Add debug wrapper.
7114 (m32c_rtx_costs): New.
7115 (m32c_address_cost): New.
7116 (conversions): Add 'B' prefix.
7117 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7118 operands, or word regnames for QI operands. 'B' prints bit
7120 (m32c_expand_setmemhi): New.
7121 (m32c_expand_movmemhi): New.
7122 (m32c_expand_movstr): New.
7123 (m32c_expand_cmpstr): New.
7124 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7125 (m32c_expand_neg_mulpsi3): Handle non-ints.
7126 (m32c_cmp_flg_0): New.
7127 (m32c_expand_movcc): New.
7128 (m32c_expand_insv): New.
7129 (m32c_scc_pattern): New.
7130 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7131 a0/a1 out of SIregs.
7132 (STORE_FLAG_VALUE): New.
7133 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7136 * config/m32c/mov.md: Make constraints more liberal.
7137 (zero_extendqihi2): Optimize r0/r1 case.
7138 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7139 * config/m32c/predicates.md (m32c_any_operand): New.
7140 (m32c_nonimmediate_operand): New.
7141 (m32c_hl_operand): New.
7142 (m32c_r3_operand): New.
7145 (memsym_operand): New.
7146 (memimmed_operand): New.
7147 (a_qi_operand): New.
7148 (m32c_eqne_operator): New.
7149 (m32c_1bit8_operand): New.
7150 (m32c_1bit16_operand): New.
7151 (m32c_1mask8_operand): New.
7152 (m32c_1mask16_operand): New.
7153 * config/m32c/blkmov.md: New file.
7154 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7156 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7158 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7159 unsigned to fix signed/unsigned comparison issue in
7160 DWARF2_FRAME_REG_OUT.
7161 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7162 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7164 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7165 of ptr into the ENABLE_CHECKING section.
7167 2006-03-08 Jeff Law <law@redhat.com>
7169 * tree-vrp.c (infer_value_range): Only count pointer uses
7170 and dereferences if -fdelete-null-pointer-checks is enabled.
7172 * tree-vrp.c (find_assert_locations): Infer value ranges for
7173 single use pointers, but do not create ASSERT_EXPRs for them.
7174 When a non-null range is inferred for a pointer, backwards
7175 propagate that range to other equivalent pointers through the
7178 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7181 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7182 language hook targets.
7183 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7184 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7185 if language hook targets were missing.
7187 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7189 * tree-ssa-opfinalize.h: Removed.
7190 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7192 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7193 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7194 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7195 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7196 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7197 finalize_ssa_v_must_def_ops): New.
7199 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7201 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7204 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7206 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7208 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7209 addresses with offsets; reorganize.
7211 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7212 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7213 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7215 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7218 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7220 2006-03-08 Ben Elliston <bje@au.ibm.com>
7222 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7224 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7227 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7230 2006-03-07 Richard Guenther <rguenther@suse.de>
7232 PR tree-optimization/26587
7233 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7235 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7237 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7239 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7241 * hooks.c (hook_bool_mode_rtx_true): New function.
7242 * hooks.h (hook_bool_mode_rtx_true): Declare.
7243 * toplev.c (compile_file): Call output_shared_constant_pool.
7244 * varasm.c (shared_constant_pool): New variable.
7245 (assemble_start_function, assemble_end_function): Remove arguments
7246 from call to output_constant_pool.
7247 (create_constant_pool): New function, split out from...
7248 (init_varasm_status): ...here.
7249 (force_const_mem): Choose between the shared and per-function constant
7250 pools. Set current_function_uses_const_pool when reusing old entries
7251 as well as when creating new ones.
7252 (mark_constant): Ignore data argument.
7253 (mark_constants): Remove pool argument.
7254 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7255 to decide whether the function uses a constant pool.
7256 (output_constant_pool_contents): New function, split out from...
7257 (output_constant_pool): ...here.
7258 (output_shared_constant_pool): New function.
7259 (init_varasm_once): Initialize shared_constant_pool.
7260 * output.h (output_constant_pool): Delete.
7261 (output_shared_constant_pool): Declare.
7262 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7263 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7265 2006-03-06 Nick Clifton <nickc@redhat.com>
7267 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7268 flag_strength_reduce.
7270 2006-03-06 Ben Elliston <bje@au.ibm.com>
7272 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7273 x86_64-*-linux* configurations.
7275 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7276 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7278 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7280 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7282 * basic-block.h: Remove the extern for
7283 rediscover_loops_after_threading.
7285 * cfgloop.c (cancel_loop): Make it static.
7286 * cfgloop.h: Remove the prototype for cancel_loop.
7288 * flow.c (recompute_reg_usage): Make it static.
7289 * rtl.h: Remove the prototype for recompute_reg_usage.
7291 * function.c (use_return_register): Make it static.
7292 * function.h: Remove the prototype.
7294 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7296 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7298 * recog.h: Remove the prototype for
7299 validate_change_maybe_volatile.
7301 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7303 * rtlanal.c (replace_reg): Remove.
7304 * rtl.h: Remove the prototype for replace_reg.
7306 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7308 * regclass.c (reg_scan_update): Remove.
7309 (reg_scan_mark_refs): Remove the last argument.
7310 * rtl.h: Remove the prototype for reg_scan_update.
7312 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7314 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7315 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7316 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7317 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7318 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7319 loop-invariant.c, omp-low.c, opts.c, passes.c,
7320 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7321 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7322 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7323 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7324 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7325 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7327 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7329 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7330 * dwarf2out.h: Remove the prototype for
7331 dwarf2out_add_library_unit_info.
7333 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7335 * tree.c (add_var_to_bind_expr): Remove.
7336 * tree.h: Remove the prototype for add_var_to_bind_expr.
7338 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7340 * regclass.c (n_non_fixed_regs): Remove.
7341 (init_reg_sets_1, globalize_reg): Remove all uses of
7343 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7345 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7347 * rtlanal.c (insns_safe_to_move_p): Remove.
7348 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7350 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7352 * expmed.c (expand_mult_add): Remove.
7353 * expr.h: Remove the prototype for expand_mult_add.
7355 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7357 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7358 and REG_SAVED_VAL_EXP constants.
7359 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7360 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7361 Handle regs stored by value.
7362 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7363 (execute_cfa_program): Handle DW_CFA_val_offset,
7364 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7365 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7366 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7367 (uw_install_context_1): Handle target regs stored by value.
7369 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7371 * tree-sra.c (tree_sra): Return todoflags;
7372 (generate_one_element): Set TODO_update_smt_usage if needed.
7373 (pass_sra): Remove TODO_update_smt_usage.
7374 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7376 (tree_ssa_forward_propagate_single_use_vars): Return
7377 TODO_update_smt_usage if we need to update SMT usage.
7378 (pass_forwprop): Remove TODO_update_smt_usage.
7380 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7382 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7383 (correct_use_link): Remove reference to get_stmt_operands.
7384 (update_stmt_operands): Likewise.
7385 (get_modify_expr_operands): New function factored out of
7386 parse_ssa_operands and get_expr_operands.
7387 Try to create V_MUST_DEFs for LHS by default.
7388 (get_expr_operands) <case MODIFY_EXPR>: Call
7389 get_modify_expr_operands.
7390 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7391 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7392 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7393 get_modify_expr_operands.
7395 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7397 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7398 * tree-flow.h: Remove the prototype for
7399 referenced_var_lookup_if_exists.
7401 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7403 PR rtl-optimization/26345
7405 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7407 2006-03-03 Roger Sayle <roger@eyesopen.com>
7409 PR tree-optimization/26524
7410 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7411 fold_convert to create a constant of the appropriate type.
7413 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7415 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7416 SYMBOL_REF_IN_BLOCK_P.
7417 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7418 of SYMBOL_FLAG_IN_BLOCK.
7419 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7420 instead of SYMBOL_REF_IN_BLOCK_P.
7421 * explow.c (use_anchored_address): Likewise.
7422 * rtl.c (rtx_size): Likewise.
7423 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7424 instead of SYMBOL_FLAG_IN_BLOCK.
7425 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7426 SYMBOL_REF_IN_BLOCK_P.
7427 (assemble_variable): Likewise.
7428 (output_constant_def_contents): Likewise.
7429 (output_constant_pool): Likewise.
7430 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7431 instead of SYMBOL_FLAG_IN_BLOCK.
7432 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7433 SYMBOL_REF_IN_BLOCK_P.
7434 (SYMBOL_REF_BLOCK): Likewise.
7435 (SYMBOL_REF_OFFSET): Likewise.
7436 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7437 SYMBOL_REF_IN_BLOCK_P.
7438 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7439 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7440 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7441 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7443 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7445 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7447 2006-03-02 Roger Sayle <roger@eyesopen.com>
7449 * simplify-rtx.c (simplify_unary_operation): When simplifying
7450 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7451 that we perform the right shift in the appropriate mode, and
7452 then extend or truncate the result to requested mode.
7454 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7456 * gengtype.c (main): Handle double_int type.
7457 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7458 * double-int.c: New file.
7459 * double-int.h: New file.
7460 * system.h: Include doubleint.h.
7461 * Makefile.in (SYSTEM_H): Include double-int.h.
7462 (double-int.o): Add.
7464 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7467 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7470 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7472 * tree-vrp.c (remove_range_assertions): Do not update statements
7475 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7477 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7479 * gcse.c (rest_of_handle_gcse): Ditto.
7480 * except.c (gate_handle_eh): Ditto.
7481 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7482 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7484 2006-03-02 Eric Christopher <echristo@apple.com>
7486 * config/i386/i386.c (machopic_output_stub): Add indirection to
7489 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7493 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7495 Sun Niagara specific optimizations.
7496 * config.gcc: Recognize niagara as target.
7497 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7498 (TARGET_CPU_niagara): Define.
7499 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7500 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7501 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7502 (ASM_CPU_SPEC): Likewise.
7503 (PROCESSOR_NIAGARA): New enum entry.
7504 (REGISTER_MOVE_COST): Handle Niagara.
7505 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7506 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7507 (sparc_override_options): Recognize "niagara", set appropriate
7508 default MASK_* values for it, and align functions to 32-bytes
7509 by default just like ULTRASPARC/ULTRASPARC3.
7510 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7511 (sparc64_initialize_trampoline): Likewise.
7512 (sparc_use_sched_lookahead): Use zero for niagara.
7513 (sparc_issue_rate): Use one for niagara.
7514 * config/sparc/niagara.md: New file.
7515 * config/sparc/sparc.md: Include it.
7516 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7517 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7518 when default cpu is niagara.
7519 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7520 (ASM_CPU_SPEC): Likewise.
7521 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7522 when default cpu is niagara.
7523 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7524 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7525 just like v9/ultrasparc/ultrasparc3.
7526 * doc/invoke.texi: Add documentation for "niagara" and improve
7527 existing documentation for ultrasparc variants.
7529 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7531 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7533 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7535 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7536 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7537 and say that only one is needed.
7538 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7539 * target.h (have_switchable_bss_sections): New hook.
7540 * explow.c (use_anchored_address): Check that the symbol is in a block.
7541 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7542 (bss_noswitch_section): New variables.
7543 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7544 (get_noswitch_section): New function.
7545 (get_block_for_section): Allow SECT to be null.
7546 (unlikely_text_section_p): Use SECTION_STYLE.
7547 (bss_initializer_p): New function.
7548 (get_variable_section): Move earlier in file. Take a new argument,
7549 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7550 Return one of the new *_sections in such cases.
7551 (get_block_for_decl): New function, extracting some logic from
7552 use_blocks_for_decl_p.
7553 (change_symbol_section): Remove in favor of...
7554 (change_symbol_block): ...this new function.
7555 (use_blocks_for_decl_p): Remove checks now performed by
7557 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7558 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7559 (emit_local, emit_bss, emit_common): ...these new functions.
7560 Return true if the alignment was honored.
7561 (emit_tls_common): New function.
7562 (asm_emit_uninitialised): Delete.
7563 (assemble_variable_noswitch): New function, split out from...
7564 (assemble_variable): ...here. Don't make decisions about common
7565 variables here. Globalize all public decls that go into non-common
7566 sections. Check whether SYMBOL_REF_BLOCK is null.
7567 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7568 (output_constant_pool): Likewise.
7569 (init_varasm_once): Initialize the new section variables.
7570 (have_global_bss_p): New function.
7571 (categorize_decl_for_section): Use bss_initializer_p.
7572 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7573 (place_block_symbol): Assert that the symbol must be in a block.
7574 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7575 (TARGET_INITIALIZER): Include it.
7576 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7577 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7578 (SECTION_MACH_DEP): Bump by two.
7579 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7580 (unnamed_section): Mention SECTION_UNNAMED in comment.
7581 (named_section): Likewise SECTION_NAMED.
7582 (noswitch_section_callback): New type.
7583 (noswitch_section): New structure.
7584 (section): Add a noswitch_section alternative.
7585 (SECTION_STYLE): New macro.
7586 (tls_comm_section, comm_section, lcomm_section): Declare.
7587 (bss_noswitch_section, have_global_bss_p): Declare.
7588 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7589 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7591 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7592 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7595 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7597 * tree-vrp.c (execute_vrp): Return value.
7598 * regrename.c (rest_of_handle_regrename): Ditto.
7599 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7600 * tree-complex.c (tree_lower_complex): Ditto.
7601 (tree_lower_complex_O0): Ditto.
7602 * tracer.c (rest_of_handle_tracer): Ditto.
7603 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7604 * postreload.c (rest_of_handle_postreload): Ditto.
7605 * tree-tailcall.c (execute_tail_recursion): Ditto.
7606 (execute_tail_calls): Ditto.
7607 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7608 * tree.h (init_function_for_compilation): Ditto.
7609 * ipa-cp.c (ipcp_driver): Ditto.
7610 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7611 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7612 * final.c (compute_alignments): Ditto.
7613 (rest_of_handle_final): Ditto.
7614 (rest_of_handle_shorten_branches): Ditto.
7615 (rest_of_clean_state): Ditto.
7616 * omp-low.c (execute_expand_omp): Ditto.
7617 (execute_lower_omp): Ditto.
7618 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7619 * ipa-reference.c (static_execute): Ditto.
7620 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7621 * reorg.c (rest_of_handle_delay_slots): Ditto.
7622 (rest_of_handle_machine_reorg): Ditto.
7623 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7624 * flow.c (recompute_reg_usage): Ditto.
7625 (rest_of_handle_remove_death_notes): Ditto.
7626 (rest_of_handle_life): Ditto.
7627 (rest_of_handle_flow2): Ditto.
7628 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7629 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7630 (do_ssa_store_ccp): Ditto.
7631 (execute_fold_all_builtins): Ditto.
7632 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7633 * modulo-sched.c (rest_of_handle_sms): Ditto.
7634 * ipa-pure-const.c (static_execute): Ditto.
7635 * cse.c (rest_of_handle_cse): Ditto.
7636 (rest_of_handle_cse2): Ditto.
7637 * web.c (rest_of_handle_web): Ditto.
7638 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7639 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7640 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7641 * tree-nrv.c (tree_nrv): Ditto.
7642 (execute_return_slot_opt): Ditto.
7643 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7644 (create_structure_vars): Ditto.
7645 * loop-init.c (rtl_loop_init): Ditto.
7646 (rtl_loop_done): Ditto.
7647 (rtl_move_loop_invariants): Ditto.
7648 (rtl_unswitch): Ditto.
7649 (rtl_unroll_and_peel_loops): Ditto.
7650 (rtl_doloop): Ditto.
7651 * gimple-low.c (lower_function_body): Ditto.
7652 (mark_used_blocks): Ditto.
7653 * tree-ssa-sink.c (execute_sink_code): Ditto.
7654 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7655 (cgraph_early_inlining): Ditto.
7656 * global.c (rest_of_handle_global_alloc): Ditto.
7657 * jump.c (cleanup_barriers): Ditto.
7658 (purge_line_number_notes): Ditto.
7659 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7660 (rest_of_handle_if_after_reload): Ditto.
7661 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7662 (tree_ssa_loop_im): Ditto.
7663 (tree_ssa_loop_unswitch): Ditto.
7664 (tree_vectorize): Ditto.
7665 (tree_linear_transform): Ditto.
7666 (tree_ssa_loop_ivcanon): Ditto.
7667 (tree_ssa_empty_loop): Ditto.
7668 (tree_ssa_loop_bounds): Ditto.
7669 (tree_complete_unroll): Ditto.
7670 (tree_ssa_loop_prefetch): Ditto.
7671 (tree_ssa_loop_ivopts): Ditto.
7672 (tree_ssa_loop_done): Ditto.
7673 * predict.c (tree_estimate_probability): Ditto.
7674 * recog.c (split_all_insns_noflow): Ditto.
7675 (rest_of_handle_peephole2): Ditto.
7676 (rest_of_handle_split_all_insns): Ditto.
7677 * tree-eh.c (lower_eh_constructs): Ditto.
7678 * regmove.c (rest_of_handle_regmove): Ditto.
7679 (rest_of_handle_stack_adjustments): Ditto.
7680 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7681 * function.c (instantiate_virtual_regs): Ditto.
7682 (init_function_for_compilation): Ditto.
7683 (rest_of_handle_check_leaf_regs): Ditto.
7684 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7685 (rest_of_handle_gcse): Ditto.
7686 * ipa-type-escape.c (type_escape_execute): Ditto.
7687 * alias.c (rest_of_handle_cfg): Ditto.
7688 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7689 * profile.c (rest_of_handle_branch_prob): Ditto.
7690 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7691 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7692 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7693 * tree-dfa.c (find_referenced_vars): Ditto.
7694 * except.c (set_nothrow_function_flags): Ditto.
7695 (convert_to_eh_region_ranges): Ditto.
7696 (rest_of_handle_eh): Ditto.
7697 * emit-rtl.c (unshare_all_rtl): Ditto.
7698 (remove_unnecessary_notes): Ditto.
7699 * except.h (set_nothrow_function_flags): Ditto.
7700 (convert_to_eh_region_ranges): Ditto.
7701 * cfgexpand.c (tree_expand_cfg): Ditto.
7702 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7703 * tree-ssa-pre.c (do_pre): Ditto.
7704 (execute_fre): Ditto.
7705 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7706 (rest_of_handle_jump2): Ditto.
7707 * tree-sra.c (tree_sra): Ditto.
7708 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7709 (execute_mudflap_function_decls): Ditto.
7710 * tree-ssa-copy.c (do_copy_prop): Ditto.
7711 (do_store_copy_prop): Ditto.
7712 * ipa-prop.h (ipcp_driver): Ditto.
7713 * cfglayout.c (insn_locators_initialize): Ditto.
7714 * tree-ssa-forwprop.c
7715 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7716 * cfglayout.h (insn_locators_initialize): Ditto.
7717 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7718 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7719 (execute_late_warn_uninitialized): Ditto.
7720 * rtl.h (cleanup_barriers): Ditto.
7721 (split_all_insns_noflow): Ditto.
7722 (purge_line_number_notes): Ditto.
7723 (unshare_all_rtl): Ditto.
7724 (remove_unnecessary_notes): Ditto.
7725 (recompute_reg_usage): Ditto.
7726 (variable_tracking_main): Ditto.
7727 * integrate.c (emit_initial_value_sets): Ditto.
7728 * integrate.h (emit_initial_value_sets): Ditto.
7729 * tree-optimize.c (execute_free_datastructures): Ditto
7730 (execute_free_cfg_annotations): Ditto.
7731 (execute_fixup_cfg): Ditto.
7732 (execute_cleanup_cfg_pre_ipa): Ditto.
7733 (execute_cleanup_cfg_post_optimizing): Ditto.
7734 (execute_init_datastructures): Ditto.
7735 * tree-object-size.c (compute_object_sizes): Ditto.
7736 * combine.c (rest_of_handle_combine): Ditto.
7737 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7738 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7739 (rest_of_handle_reorder_blocks): Ditto.
7740 (rest_of_handle_partition_blocks): Ditto.
7741 * var-tracking.c (variable_tracking_main): Ditto.
7742 * tree-profile.c (tree_profiling): Ditto.
7743 * tree-vect-generic.c (expand_vector_operations): Ditto.
7744 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7745 * sched-rgn.c (rest_of_handle_sched): Ditto.
7746 (rest_of_handle_sched2): Ditto.
7747 * basic-block.h (free_bb_insn): Ditto.
7748 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7749 * tree-cfg.c (execute_build_cfg): Ditto.
7750 (remove_useless_stmts): Ditto.
7751 (split_critical_edges): Ditto.
7752 (execute_warn_function_return): Ditto.
7753 (execute_warn_function_noreturn): Ditto.
7754 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7755 * cfgrtl.c (free_bb_for_insn): Ditto.
7756 * passes.c (execute_one_pass): Run additional
7757 todos returned by execute function.
7758 * tree-pass.h (struct tree_opt_pass): Make execute
7761 2006-03-02 Richard Guenther <rguenther@suse.de>
7763 * tree-ssa-alias.c (find_used_portions): Consider taking
7764 the address as making the variable not write-only.
7766 2006-03-02 Nick Clifton <nickc@redhat.com>
7768 * config.gcc (default_use_cxa_atexit): Extend the description of
7769 this configure variable. Set its default value to "yes" for
7770 Linux, NetBSD and ELF targets on the assumption that they will
7771 use C libraries with the __cxa_atexit function.
7773 2006-03-02 Ben Elliston <bje@au.ibm.com>
7775 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7776 parameter as unused to suppress a build warning.
7778 2006-03-02 Ben Elliston <bje@au.ibm.com>
7780 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7783 2006-03-01 Roger Sayle <roger@eyesopen.com>
7786 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7787 declared name, the weak reference name, and the typeof name.
7788 (__gthrw): Avoid expanding the declared name suffix.
7789 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7791 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7793 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7795 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7796 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7797 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7798 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7799 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7800 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7801 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7802 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7803 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7804 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7805 (DW_END_default, DW_END_big, DW_END_little): New.
7806 (DW_END_lo_user, DW_END_hi_user): Define.
7807 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7808 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7809 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7812 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7814 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7816 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7818 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7820 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7822 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7823 to 'symbol_mem_tag'.
7825 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7828 2006-03-01 Roger Sayle <roger@eyesopen.com>
7830 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7832 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7835 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7836 MACHO_DYNAMIC_NO_PIC_P.
7837 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7839 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7842 * config/darwin-protos.h (darwin_asm_output_anchor):
7844 * config/darwin-sections.def (cstring_section):
7845 Add SECTION_MERGE to the flags.
7846 (literal4_section): Likewise.
7847 (literal8_section): Likewise.
7848 (objc_selector_refs_section): Likewise.
7849 (objc_cls_refs_section): Likewise.
7850 * config/darwin.c (darwin_asm_output_anchor): New
7852 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7854 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7856 Fix PR tree-optimization/26443
7857 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7858 to todo and PROP_tmt_usage to properties_destroyed.
7859 * tree-ssa-ccp.c (pass_ccp): Ditto.
7860 (pass_store_ccp): Ditto.
7861 * tree-ssa-dom.c (pass_dominator): Ditto.
7863 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7865 * tree-ssa-operands.c: Cleanup whitespace.
7866 (get_asm_expr_operands): Move before first invocation.
7867 (get_indirect_ref_operands): Likewise.
7868 (get_tmr_operands): Likewise.
7869 (get_call_expr_operands): Likewise.
7870 (append_def): Likewise.
7871 (append_use): Likewise.
7872 (append_v_may_def): Likewise.
7873 (append_v_must_def): Likewise.
7874 (add_call_clobber_ops): Likewise.
7875 (add_call_read_ops): Likewise.
7876 (add_stmt_operand): Likewise.
7877 (add_virtual_operand): Likewise.
7878 (build_ssa_operands): Likewise.
7880 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7885 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7886 with a call expr to ...
7887 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7889 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7891 * tree-vrp.c (extract_range_from_assert): Remove special
7892 handling for types with super-types.
7894 2006-03-01 Ben Elliston <bje@au.ibm.com>
7896 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7897 and powerpc64-*-linux* configurations.
7898 * config/t-dfprules: New file.
7900 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7901 Compile dfp-bit.c from the source directory using -DWIDTH and
7902 $DFP_CFLAGS to control the compilation of that file, rather than
7903 generating width-specific versions in the build directory.
7904 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7905 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7907 2006-02-28 Zack Weinberg <zackw@panix.com>
7909 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7912 2006-02-28 Eric Christopher <echristo@apple.com>
7914 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7915 Set up IN_LIBGCC definition of TARGET_64BIT.
7916 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7918 2006-02-28 Roger Sayle <roger@eyesopen.com>
7921 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7922 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7923 cases via the construction of "expr != 0".
7925 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7927 * alias.c (alias_invariant, alias_invariant_size): Remove.
7928 (record_base_value): Remove.
7929 (memrefs_conflict_p): Don't look at alias_invariant.
7930 (end_alias_analysis): Don't free it.
7931 * alias.h (record_base_value): Remove prototype.
7933 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7934 Adam Nemet <anemet@caviumnetworks.com>
7936 * rtl.h (truncated_to_mode): Declare it.
7937 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7938 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7939 (RTL_HOOKS_INITIALIZER): Include it.
7940 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7941 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7942 reg_truncated_to_mode.
7943 * rtlanal.c (truncated_to_mode): Define it.
7944 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7946 2006-02-28 Jeff Law <law@redhat.com>
7948 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7949 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7950 the range allowed by TYPE_PRECISION.
7952 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7954 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7956 PR tree-optimization/26419
7957 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7960 2006-02-27 Zack Weinberg <zackw@panix.com>
7962 * doc/md.texi: Fix typo in previous change.
7964 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7968 2006-02-27 Zack Weinberg <zackw@panix.com>
7970 * rtl.def (define_constraint, define_register_constraint)
7971 (define_memory_constraint, define_address_constraint): New MD forms.
7972 * gensupport.c (process_rtx): Put define_constraint etc on the
7974 * genpreds.c (process_define_predicate): Adjust comment. Validate
7975 the name, and call validate_exp to validate the expression.
7976 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7977 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7978 all callers changed.
7979 (validate_exp, needs_variable, struct constraint_data)
7980 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7981 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7982 (const_dbl_constraints, constraint_max_namelen)
7983 (have_register_constraints, have_memory_constraints)
7984 (have_address_constraints, have_address_constraints)
7985 (have_extra_constraints, have_const_int_constraints)
7986 (have_const_dbl_constraints, mangle, add_constraint)
7987 (process_define_constraint, process_define_register_constraint)
7988 (write_enum_constraint_num, write_lookup_constraint)
7989 (write_insn_constraint_len, write_regclass_for_constraint)
7990 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7991 (write_insn_extra_memory_constraint)
7992 (write_insn_extra_address_constraint)
7993 (write_satisfies_constraint_fns): New.
7994 (write_tm_preds_h): If we have new-style constraint definitions,
7995 prototype the functions generated from them, and define the
7996 old constraint interface (still used by generic code) in terms of
7998 (write_insn_preds_c): If we have new-style constraint definitions,
7999 generate all relevant functions from those definitions.
8000 (main): Handle define_constraint etc.
8001 * genoutput.c (struct constraint_data, indep_constraints)
8002 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8003 (mdep_constraint_len): New data structures and functions, defined
8004 #ifdef USE_MD_CONSTRAINTS.
8005 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8006 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8007 use new logic to validate operand constraints against constraint
8009 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8011 * defaults.h: If none of the old-style constraint macros are
8012 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8013 old-style macros; and poison REG_CLASS_FROM_LETTER,
8014 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8016 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8017 * doc/md.texi: Document new constraint-definition mechanism and the
8018 C interface it provides. Remove references to old mechanism
8019 elsewhere in the document.
8020 (Machine Constraints): Use pathnames relative to gcc directory,
8021 i.e. config/ARCH/FILE. Change i386 section to refer to
8022 config/i386/predicates.md; update that section to match docstrings.
8023 * doc/tm.texi: Move all documentation of the old constraint-
8024 definition macros to their own section, clearly mark as obsolete.
8026 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8027 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8029 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8030 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8031 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8033 (splits and peepholes): Use satisfies_constraint_*.
8034 * config/i386/i386.c (memory_address_length)
8035 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8037 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8039 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8040 scalar operation to be put back into the loop.
8042 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8045 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8046 (extract_cie_info): Handle S flag in augmentation string.
8047 (execute_cfa_program): If context->signal_frame, execute also
8048 fs->pc == context->ra instructions.
8049 (uw_frame_state_for): If context->signal_frame, don't subtract one
8050 from context->ra to find FDE.
8051 (uw_update_context_1): Set context->signal_frame to
8053 (_Unwind_GetIPInfo): New function.
8054 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8055 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8057 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8058 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8059 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8060 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8061 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8062 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8063 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8064 x86_64_fallback_frame_state): Set fs->signal_frame.
8065 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8066 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8067 (frob_update_context): Likewise. Workaround missing S flag in
8068 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8069 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8070 Remove the psw_addr + 1 hack.
8072 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8074 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8075 with aggregates here.
8076 (find_func_aliases): Remove code for &<aggregate> from here.
8078 2006-02-26 Roger Sayle <roger@eyesopen.com>
8080 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8081 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8082 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8085 2006-02-26 Roger Sayle <roger@eyesopen.com>
8088 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8090 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8092 * opts.c (decode_options): Do not handle flag_strength_reduce.
8093 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8094 and OPT_fstrength_reduce.
8095 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8096 flag_prefetch_loop_arrays for being nonzero.
8097 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8099 (fprefetch-loop-arrays-rtl): Removed.
8100 (flag_prefetch_loop_arrays): Do not specify the value.
8102 * doc/passes.texi: Update documentation of loop optimizer
8104 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8105 -frerun-loop-opt): Remove.
8107 2006-02-26 Richard Guenther <rguenther@suse.de>
8109 PR tree-optimization/26421
8110 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8111 in function calls that are ADDR_EXPRs as using the whole structure.
8113 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8115 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8116 * tree-pass.h (pass_loop_optimize): Remove.
8117 * passes.c (pass_loop_optimize): Never run it.
8118 * toplev.c (backend_init): Don't call init_loop.
8119 * opts.c (flag_loop_optimize_set): Remove.
8120 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8121 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8122 the old RTL loop optimizer when profiling enabled.
8123 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8124 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8125 pre-headers for the sake of the old RTL loop optimizer.
8126 * Makefile.in: Remove all references to loop.o.
8128 * doc/invoke.texi: Remove all references to -floop-optimize
8129 and -frerun-loop-opt.
8131 2006-02-26 Zack Weinberg <zackw@panix.com>
8133 * doc/md.texi (Machine Constraints): Refer to all files with paths
8134 relative to gcc directory (i.e. config/CPU/file). Add missing
8135 @table @code ... @end table to M32C subsection.
8137 2006-02-26 Roger Sayle <roger@eyesopen.com>
8139 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8141 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8143 2006-02-26 Roger Sayle <roger@eyesopen.com>
8144 James A. Morrison <phython@gcc.gnu.org>
8147 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8148 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8149 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8150 signedness of the shift operation.
8152 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8154 PR tree-optimization/26359
8155 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8157 2006-02-25 Roger Sayle <roger@eyesopen.com>
8159 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8160 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8161 as X == 0, and some symmetry related transformations.
8162 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8164 2006-02-25 Roger Sayle <roger@eyesopen.com>
8167 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8168 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8169 symmetry related transformations. Fold (X^C1) == C2 as
8172 2006-02-25 Juergen Weigert <jw@suse.de>
8173 Richard Guenther <rguenther@suse.de>
8175 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8177 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8179 * combine.c (gen_lowpart_or_truncate): Call
8180 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8182 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8184 * doc/invoke.texi: Move -fopenmp description to "Options for
8186 Remove reference to -lgomp.
8188 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8190 * doc/install.texi: Require GNU tar version 1.14.
8192 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8194 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8195 * doc/invoke.texi (C++ Dialect Options): Document
8196 -fno-use-cxa-get-exception-ptr.
8197 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8198 * configure: Regenerate.
8199 * c.opt (fuse-cxa-get-exception-ptr): New.
8200 * c-opts.c (c_common_handle_option): Handle
8201 OPT_fuse_cxa_get_exception_ptr.
8202 * c-common.c (flag_use_cxa_atexit): Update documentation.
8203 (flag_use_cxa_get_exception_ptr): New.
8204 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8205 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8207 (C_COMMON_OVERRIDE_OPTIONS): New.
8209 2006-02-24 Roger Sayle <roger@eyesopen.com>
8212 * combine.c (try_combine): Explicitly check whether GET_CODE is
8213 a SET or a CLOBBER, instead on checking that it isn't a USE.
8215 2006-02-24 Roger Sayle <roger@eyesopen.com>
8217 * fold-const.c (fold_comparison): New subroutine of fold_binary
8218 containing transformations common to both the equality and
8219 ordering relational operators, factored out of fold_binary.
8220 (fold_binary): Separate out the equality operators (EQ_EXPR
8221 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8222 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8223 transformations common to both.
8224 (fold_div_compare): Fix latent bugs in the previously unreachable
8225 LT_EXPR and GE_EXPR cases.
8227 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8229 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8230 decl libname for clog to __clog on AIX.
8232 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8234 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8237 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8238 output traceback table for thunks. Localise rs6000_stack_info call.
8240 2006-02-23 Roger Sayle <roger@eyesopen.com>
8241 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8243 * gthr-posix.h (__gthrw): Fix typo in comment.
8245 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8247 * doc/cpp.texi (Character sets): Document that we do support
8248 input files to be in any character set.
8250 2006-02-23 Jeff Law <law@redhat.com>
8252 * tree.h (PHI_ARG_NONZERO): Remove.
8253 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8254 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8255 node to the new node.
8257 PR tree-optimization/26425
8258 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8259 min/max, then assume its varying.
8261 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8263 PR rtl-optimization/26316
8264 * rtlanal.c (enum may_trap_p_flags): New.
8265 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8266 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8267 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8268 (may_trap_after_code_motion_p): New function.
8269 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8270 (find_invariant_insn): Use may_trap_after_code_motion_p.
8271 * rtl.h (may_trap_after_code_motion_p): Declare.
8273 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8275 * emit-rtl.c (immed_double_const): Cleanup.
8277 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8279 Fix PR tree-optimization/26376
8280 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8283 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8286 * gimplify.c (omp_add_variable): Guard variable size decl test with
8287 DECL_SIZE (decl) check.
8289 2006-02-23 Richard Guenther <rguenther@suse.de>
8292 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8293 like aggregate types.
8295 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8297 * configure.ac: Add --with{,out}-long-double-128 configure option.
8298 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8299 * configure: Rebuilt.
8300 * config.in: Rebuilt.
8301 * doc/install.texi (Options specification): Document
8302 --with-long-double-128.
8304 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8305 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8306 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8307 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8309 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8311 * config/s390/s390.c (override_options): Handle
8312 TARGET_DEFAULT_LONG_DOUBLE_128.
8314 * config/alpha/alpha.c (override_options): Handle
8315 TARGET_DEFAULT_LONG_DOUBLE_128.
8317 * config/sparc/sparc.c (sparc_override_options): Handle
8318 TARGET_DEFAULT_LONG_DOUBLE_128.
8320 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8322 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8323 (real-install-headers-tar, real-install-headers-cpio)
8324 (real-install-headers-cp): New targets.
8326 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8328 * tree.h (variable_section): Delete.
8329 * varasm.c (variable_section): Delete.
8331 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8333 * install.texi: Add notes on install.texi2html.
8334 (Building in parallel): Do not use footnotes.
8336 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8339 * doc/install.texi (Configuration): Document --disable-libgomp.
8341 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8343 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8345 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8347 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8348 (vec_extractv2df_0_sse): New.
8350 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8352 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8353 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8354 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8355 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8356 to the result of the expression.
8357 (def_cfa_1): Adjust.
8358 (frame_pointer_cfa_offset): Rename to...
8359 (frame_pointer_fb_offset): ... this. Adjust all uses.
8360 (convert_cfa_to_loc_list): Rename to...
8361 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8362 Pass it on to build_cfa_loc.
8363 (compute_frame_pointer_to_cfa_displacement): Rename to...
8364 (compute_frame_pointer_to_fb_displacement): ... this. New
8365 offset parameter. Use it in computation.
8366 (gen_subprogram_die): Compute cfa_fb_offset with the new
8367 macro, and use it to compute the fb loc list and the
8370 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8372 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8373 replaced with register_operand.
8374 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8375 non-DREG is expensive.
8376 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8377 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8380 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8382 * doc/install.texi2html: Use set -e.
8384 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8386 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8387 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8388 * doc/invoke.texi (-fshared-data): Delete.
8389 * common.opt (fshared-data): Delete.
8390 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8391 (assemble_static_space): Remove #if 0 code.
8392 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8393 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8394 * config/cris/cris.h: Remove FIXME.
8396 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8398 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8401 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8404 * combine.c (simplify_shift_const_1): Disable nested shifts
8405 optimization for vector shifts.
8407 2006-02-20 Roger Sayle <roger@eyesopen.com>
8409 PR tree-optimization/26361
8410 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8411 of unsigned integer types.
8413 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8415 * tree-chrec.c (eq_evolutions_p): New.
8416 * tree-chrec.h (eq_evolutions_p): Declared.
8417 * tree-data-ref.c: Fix formatting.
8418 (datadep_stats, dependence_stats): New.
8420 (print_direction_vector): New.
8421 (dump_data_dependence_relation): Use print_direction_vector.
8422 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8423 (compute_subscript_distance): Static.
8424 (initialize_data_dependence_relation): Static. Get the number
8425 of loops surrounding the references from the callers, and initialize
8426 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8427 base_object_differ_p analyzers.
8428 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8429 compute_overlap_steps_for_affine_1_2,
8430 analyze_subscript_affine_affine): Count the classified dependences.
8431 Print a message when a test failed.
8432 (can_use_analyze_subscript_affine_affine): New.
8433 (analyze_siv_subscript): Compute the data dependences on symbolic
8434 scevs that verify can_use_analyze_subscript_affine_affine.
8435 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8436 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8437 Handle symbolic scevs.
8438 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8440 (subscript_dependence_tester): Moved...
8441 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8442 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8443 DDR_SIZE_VECT instead of getting it in parameter.
8444 (subscript_dependence_tester): ... here. Take as a parameter
8445 loop_nest_depth. Call build_classic_dist_vector and
8446 build_classic_dir_vector.
8447 (compute_affine_dependence): Update subscript_dependence_tester
8448 parameters. Update datadep_stats counters. Call
8449 compute_subscript_distance.
8450 (compute_self_dependence): Save the dist and dir vectors. Call
8451 compute_subscript_distance.
8452 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8453 (compute_all_dependences): Reorder parameters as they were before
8454 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8455 compute_subscript_distance. Update the use of
8456 compute_affine_dependence and initialize_data_dependence_relation.
8457 (find_data_references_in_loop): Handle COMPONENT_REF.
8458 (compute_data_dependences_for_loop): Initialize dependence_stats.
8459 Don't call build_classic_dist_vector and build_classic_dir_vector.
8460 Update the parameters of initialize_data_dependence_relation and
8461 compute_all_dependences. Print the statistics from datadep_stats.
8462 (analyze_all_data_dependences): Static. Not used until the pass for
8463 checking the data dependences is contributed.
8464 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8465 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8466 (initialize_data_dependence_relation, compute_affine_dependence,
8467 analyze_all_data_dependences, compute_subscript_distance): Removed.
8468 (print_direction_vector): New.
8469 * lambda.h (gcd): ... here.
8470 (lambda_vector_gcd): Moved here from gcd_vector.
8471 * lambda-code.c (gcd, gcd_vector): Removed.
8472 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8473 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8475 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8477 * ipa-type-escape.c: Tidy some comments and white space.
8478 * tree-ssa-operands.c: Likewise.
8480 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8483 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8484 (dump_decl_name): Do not walk the decl tree chains.
8485 * tree-pass.h (TDF_CHAIN): Remove.
8487 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8489 * Makefile.in (C): Remove
8491 (.PHONY): Remove C and PROTO
8493 2006-02-20 Roger Sayle <roger@eyesopen.com>
8496 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8497 deprecated CHAR_TYPE tree code.
8499 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8501 * configure.ac (target_list): Add install-info, dvi, html.
8502 * configure: Regenerate.
8504 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8505 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8506 treelang/Make-lang.in: Do not use double-colon rules.
8508 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8510 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8511 (TMT_USED_ALONE): New macro.
8512 * tree-pass.h (PROP_tmt_usage): New property.
8513 (TODO_update_tmt_usage): New todo.
8514 * tree-ssa-alias.c (updating_used_alone): New variable.
8515 (recalculate_used_alone): New function.
8516 (compute_may_aliases): Set updating_used_alone, call
8517 recalculate_used_alone.
8518 * tree-sra.c (pass_sra): Note that this pass destroys
8519 PROP_tmt_usage, and add TODO_update_tmt_usage.
8520 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8521 * tree-flow.h (updating_used_alone): Prototype.
8522 (recalculate_used_alone): Ditto.
8523 * passes.c (execute_todo): Add code to set updating_used_alone,
8524 and call recalculate.
8525 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8526 for clobber if used alone, and add assert to verify used_alone
8529 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8531 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8532 for non tls symbols added.
8533 (legitimize_address): Do nothing for PLUS expressions if one of the
8534 addends is a tls symbol reference.
8536 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8540 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8542 * Makefile.in (BOOTSTRAPPING): New.
8543 (quickstrap): New definition if BOOTSTRAPPING=yes.
8545 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8546 * configure.ac: Substitute all_selected_languages with the languages
8547 that were configured. For all the other variables except
8548 lang_specs_files, include all the languages in the tree.
8549 * configure: Regenerate.
8551 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8552 if there is one. Run the commands to run fixincludes in the same
8555 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8556 * doc/install.texi: Document exact conventions for searching target tools.
8557 Document --with-build-time-tools. Document toplevel bootstrap. Document
8558 something more about building an Ada cross-compiler. Don't list GNU Make
8559 requirements which affect all platforms.
8561 2006-02-19 Roger Sayle <roger@eyesopen.com>
8564 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8565 only equivalent if the have both the same mode and precision.
8567 2006-02-20 Ben Elliston <bje@au.ibm.com>
8569 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8571 2006-02-19 Roger Sayle <roger@eyesopen.com>
8572 Steven Bosscher <stevenb.gcc@gmail.com>
8574 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8575 constant pool references to identify stack mode constants.
8576 * rtlanal.c (constant_pool_constant_p): New predicate to check
8577 whether operand is a floating point constant in the pool.
8578 * rtl.h (constant_pool_constant_p): Prototype here.
8579 * loop.c (scan_loop): Avoid hoisting constants from the constant
8580 pool on STACK_REGS targets.
8581 (load_mems): Likewise.
8582 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8583 loads into x87 registers expensive in terms of register pressure.
8585 2006-02-19 Roger Sayle <roger@eyesopen.com>
8587 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8588 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8590 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8592 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8593 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8595 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8597 * doc/invoke.texi: Document -fipa-pta.
8598 * common.opt: Add ipa-pta option.
8599 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8600 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8601 (do_ds_constraint): Ditto.
8602 (get_constraint_for): Only add to referenced_vars if
8603 referenced_vars exists.
8604 (insert_into_field_list): Rewrite to do this unsorted.
8605 (insert_into_field_list_sorted): Rename old insert_into_field_list
8607 (create_function_info_for): Use insert_into_field_list_sorted.
8608 (create_variable_info_for): Rewrite so it uses unsorted version,
8609 since the field list is sorted.
8610 (intra_create_variable_infos): Only add to referenced_vars if
8611 referenced_vars exists.
8612 (ipa_pta_execute): Init heapvars, and delete when done.
8613 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8615 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8617 * doc/install.texi: Add missing `@samp'.
8619 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8621 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8624 2006-02-18 Mark Wielaard <mark@klomp.org>
8626 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8627 who added new 4.1 features, bug fixes and integration support.
8629 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8632 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8635 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8637 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8638 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8639 (copy_insn_1): Likewise. Don't copy each field individually.
8641 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8643 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8644 * rtl.c (rtx_size): Rename variable to...
8645 (rtx_code_size): ...this.
8646 (rtx_size): New function.
8647 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8648 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8650 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8651 * rtl.h (rtx_code_size): New variable.
8652 (rtx_size): Change from a variable to a function.
8653 (RTX_SIZE): Rename to...
8654 (RTX_CODE_SIZE): ...this.
8657 PR tree-optimization/17106
8658 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8659 (Anchored Addresses): New section.
8660 * doc/invoke.texi (-fsection-anchors): Document.
8661 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8662 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8663 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8664 * hooks.c (hook_bool_mode_rtx_false): New function.
8665 * hooks.h (hook_bool_mode_rtx_false): Declare.
8666 * gengtype.c (create_optional_field): New function.
8667 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8668 SYMBOL_REF_IN_BLOCK_P is true.
8669 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8670 (min_anchor_offset, max_anchor_offset): Likewise.
8671 (use_anchors_for_symbol_p): New hook.
8672 * toplev.c (compile_file): Call output_object_blocks.
8673 (target_supports_section_anchors_p): New function.
8674 (process_options): Check that -fsection-anchors is only used on
8675 targets that support it and when -funit-at-a-time is in effect.
8676 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8677 if the decl doesn't have one.
8678 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8679 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8680 of force_const_mem through use_anchored_address.
8681 (expand_expr_constant): New function.
8682 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8683 calling expand_expr for INDIRECT_REF.
8684 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8685 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8686 * expr.h (use_anchored_address): Declare.
8687 * loop-unroll.c: Don't declare rtx vectors here.
8688 * explow.c: Include output.h.
8689 (validize_mem): Call use_anchored_address.
8690 (use_anchored_address): New function.
8691 * common.opt (-fsection-anchors): New switch.
8692 * varasm.c (object_block_htab, anchor_labelno): New variables.
8693 (hash_section, object_block_entry_eq, object_block_entry_hash)
8694 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8695 (use_blocks_for_decl_p, change_symbol_section): New functions.
8696 (get_variable_section): New function, split out from assemble_variable.
8697 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8698 use_blocks_for_decl_p say so. Use change_symbol_section if the
8699 symbol has already been created.
8700 (assemble_variable_contents): New function, split out from...
8701 (assemble_variable): ...here. Don't output any code for
8702 block symbols; just pass them to place_block_symbol.
8703 Use get_variable_section and assemble_variable_contents.
8704 (get_constant_alignment, get_constant_section, get_constant_size): New
8705 functions, split from output_constant_def_contents.
8706 (build_constant_desc): Create a block symbol if use_object_blocks_p
8707 says so. Or into SYMBOL_REF_FLAGS.
8708 (assemble_constant_contents): New function, split from...
8709 (output_constant_def_contents): ...here. Don't output any code
8710 for block symbols; just pass them to place_section_symbol.
8711 Use get_constant_section and get_constant_alignment.
8712 (force_const_mem): Create a block symbol if use_object_blocks_p and
8713 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8714 (output_constant_pool_1): Add an explicit alignment argument.
8715 Don't switch sections here.
8716 (output_constant_pool): Adjust call to output_constant_pool_1.
8717 Switch sections here instead. Don't output anything for block symbols;
8718 just pass them to place_block_symbol.
8719 (init_varasm_once): Initialize object_block_htab.
8720 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8721 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8722 (place_block_symbol, get_section_anchor, output_object_block)
8723 (output_object_block_htab, output_object_blocks): New functions.
8724 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8725 (TARGET_ASM_OUT): Include it.
8726 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8727 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8728 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8729 (TARGET_INITIALIZER): Include them.
8730 * rtl.c (rtl_check_failed_block_symbol): New function.
8731 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8732 (block_symbol, object_block): New structures.
8733 (rtx_def): Add a block_symbol field to the union.
8734 (BLOCK_SYMBOL_CHECK): New macro.
8735 (rtl_check_failed_block_symbol): Declare.
8736 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8737 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8738 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8739 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8740 * output.h (output_section_symbols): Declare.
8741 (object_block): Name structure.
8742 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8743 (default_use_anchors_for_symbol_p): Declare.
8744 * Makefile.in (RTL_BASE_H): Add vec.h.
8745 (explow.o): Depend on output.h.
8746 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8747 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8748 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8749 (rs6000_use_blocks_for_constant_p): New function.
8751 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8753 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8755 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8758 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8761 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8763 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8767 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8770 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8771 instead of DECL_REGISTER.
8773 2006-02-18 Olivier Hainque <hainque@adacore.com>
8776 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8778 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8781 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8782 * opth-gen.awk: Handle Var and InverseMask together.
8783 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8784 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8785 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8786 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8788 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8789 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8790 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8791 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8792 LINUX_DYNAMIC_LINKER): Define.
8793 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8794 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8796 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8797 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8798 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8799 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8800 (TARGET_C99_FUNCTIONS): Don't define.
8801 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8802 GLIBC_DYNAMIC_LINKER.
8803 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8804 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8805 GLIBC_DYNAMIC_LINKER64): Define.
8806 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8807 LINUX_DYNAMIC_LINKER64.
8808 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8809 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8810 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8811 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8812 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8813 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8814 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8815 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8816 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8817 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8818 and LINUX_DYNAMIC_LINKER32.
8819 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8820 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8821 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8822 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8823 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8825 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8826 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8827 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8828 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8829 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8830 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8831 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8832 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8833 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8834 LINUX_DYNAMIC_LINKER): Define.
8835 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8836 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8837 GLIBC_DYNAMIC_LINKER64): Define.
8838 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8839 LINUX_DYNAMIC_LINKER64.
8840 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8841 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8842 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8843 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8844 LINUX_DYNAMIC_LINKER): Define.
8845 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8846 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8847 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8848 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8849 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8850 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8851 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8852 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8853 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8854 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8855 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8856 * doc/invoke.texi (-muclibc): Remove caveat about supported
8859 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8861 * doc/cpp.texi (__TIMESTAMP__): Document.
8863 2006-02-17 Roger Sayle <roger@eyesopen.com>
8866 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8867 C is one less than the width of X (and related transformations).
8868 * simplify-rtx.c (simplify_unary_operation_1): Transform
8869 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8870 depending on STORE_FLAG_VALUE, were C is one less then the
8873 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8875 Fix PR tree-optimization/26341
8876 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8877 about NAME_MEMORY_TAG's.
8879 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8882 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8883 with hardware float support, and software float support. Add fcpy
8884 alternative to hardware patterns. Add alternatives to copy between
8885 general and floating-point registers to the 32-bit pattern.
8886 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8887 secondary reload to load a QI or HI mode constant into a floating
8889 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8890 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8892 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8895 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8897 (load_macho_picbase_di): Likewise.
8899 2006-02-16 Jeff Law <law@redhat.com>
8901 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8902 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8903 (ssa_name_nonzero_p): Likewise.
8904 (get_value_range): Return NULL if VRP is not running.
8905 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8906 VRP routines do not discover a range.
8907 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8908 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8909 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8910 (tree_expr_nonnegative_p): Similarly.
8911 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8912 (restore_nonzero_vars_to_original_value): Remove.
8913 (unsafe_associative_fp_binop): Remove.
8914 (tree_ssa_dominator_optimize): Remove initialization and
8915 finalization of nonzero_vars and nonzero_vars_stack.
8916 (dom_opt_initialize_block): No longer push marker on
8918 (dom_opt_finalize_block): No longer call
8919 restore_nonzero_vars_to_original_value.
8920 (record_equivalences_from_phis): No longer look for
8921 nonzero PHI arguments.
8922 (cprop_into_successor_phis): No longer propagate nonzero
8923 property into PHI arguments. Lose unused argument. Caller
8925 (record_equivalences_from_stmt): No longer record nonzero
8926 values for SSA_NAMEs.
8927 (lookup_avail_expr): No longer use nonzero_vars.
8929 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8930 for sizetype when sizetype is unsigned.
8932 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8934 PR rtl-optimization/25603
8935 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8936 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8937 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8938 with new meaning of SETS.
8940 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8945 * config/linux.opt: New file.
8946 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8947 LINUX_DYNAMIC_LINKER): Define.
8948 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8949 * config.gcc (*-*-linux*): Define extra_options.
8950 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8951 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8952 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8953 GLIBC_DYNAMIC_LINKER.
8954 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8955 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8956 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8957 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8958 * doc/invoke.texi (GNU/Linux Options): New section.
8960 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8962 * config/sparc/sparc.md (setjmp): Rewrite.
8963 (setjmp_32): Delete.
8964 (setjmp_64): Likewise.
8966 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8968 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8971 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8973 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8976 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8978 PR rtl-optimization/26296
8979 * Makefile.in (loop-invariant.c): Add except.h dependency.
8980 * loop-invariant.c: Include except.h.
8981 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8983 2005-02-16 Paul Brook <paul@codesourcery.com>
8985 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8988 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8990 PR rtl-optimization/25636
8991 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8992 when deciding whether an insn is an initializing insn.
8994 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8996 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8997 (tree_code_size): Ditto.
8998 * tree.h (struct tree_memory_tag): Remove parent_var.
8999 (struct tree_struct_field_tag): New.
9002 (union tree_node): Add sft member.
9003 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9005 (create_sft): Add size and offset argument, set SFT_OFFSET and
9007 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9008 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9009 * tree-flow-inline.h (get_subvar_at): Update for
9010 SFT_OFFSET/SFT_SIZE.
9011 (var_can_have_subvars): Ditto.
9012 (overlap_subvar): Ditto.
9013 * print-tree.c (print_node): Print out interesting things for
9015 * tree-flow.h (struct subvar): Remove offset and size members.
9016 * tree-ssa-operands.c (get_expr_operands): Update for
9017 get_indirect_ref_operands changes.
9018 (get_indirect_ref_operands): Call add_virtual_operand instead of
9019 add_stmt_operand. Only recurse on base var if requested.
9020 (access_can_touch_variable): New function.
9021 (add_stmt_operand): Split virtual operand handling into ...
9022 (add_virtual_operand): Here. Add offset, size, and for_clobber
9023 arguments. Prune alias sets.
9024 (add_call_clobber_ops): Call add_virtual_operand.
9026 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9029 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9031 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9032 than TREE_CODE as index into omp_clause_num_ops array.
9034 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9036 PR rtl-optimization/26184
9037 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9039 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9040 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9041 must_precede, must_follow and tobe_scheduled.
9044 * opts.c (common_handle_option): Free new_option pointer.
9045 * df-core.c (df_analyze): Free postorder pointer.
9047 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9049 * Makefile.in: Fix the examples about the use of stamps
9051 2006-02-15 Michael Matz <matz@suse.de>
9055 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9056 influenced by maximum_field_alignment or DECL_PACKED.
9057 (update_alignment_for_field): Ditto.
9058 (place_field): Ditto.
9059 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9062 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9064 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9065 (debug_flow_info): Pass it.
9066 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9067 * bb-reorder.c (reorder_basic_blocks): Likewise.
9068 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9069 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9070 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9071 * gcse.c (gcse_main, bypass_jumps): Likewise.
9072 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9073 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9074 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9075 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9076 * rtl.h (dump_flow_info): Adjust prototype.
9077 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9078 * var-tracking.c (variable_tracking_main): Likewise.
9079 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9080 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9083 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9085 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9088 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9090 PR tree-optimization/26209
9091 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9092 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9094 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9096 2006-02-14 Roger Sayle <roger@eyesopen.com>
9099 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9100 (X,Y) and the corresponding symmetry related transformations.
9101 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9102 (X,Y) and its symmetry related transformations.
9104 2006-02-14 Roger Sayle <roger@eyesopen.com>
9106 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9109 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9111 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9113 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9116 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9117 support COMDAT group.
9118 * configure: Regenerate.
9120 2006-02-14 Roger Sayle <roger@eyesopen.com>
9125 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9127 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9129 Fix PR tree-optimization/26260
9131 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9133 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9134 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9135 * tree-ssa-structalias.c (create_variable_info_for): Use
9136 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9138 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9140 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9142 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9143 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9144 of the ending condition.
9145 * tree-ssa-loop-manip.c: Include params.h.
9146 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9147 tree_unroll_loop): New functions.
9148 * tree-pass.h (pass_loop_prefetch): Declare.
9149 * loop.c (rest_of_handle_loop_optimize): Test for
9150 -fprefetch-loop-arrays-rtl.
9151 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9152 * timevar.def (TV_TREE_PREFETCH): New timevar.
9153 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9154 pass_loop_prefetch): New.
9155 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9156 (cleanup_tree_cfg_loop): Call scev_reset.
9157 * common.opt (fprefetch-loop-arrays-rtl): Add.
9158 * tree-ssa-loop-prefetch.c: New file.
9159 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9160 (new_temp_expr_table): Initialize expr_vars.
9161 (free_temp_expr_table): Cleanup expr_vars.
9162 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9163 expressions from being merged into one.
9164 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9165 (struct tree_niter_desc): Add control, bound and cmp fields.
9166 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9168 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9169 (tree-cfgcleanup.o): Add SCEV_H dependency.
9170 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9171 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9173 2006-02-14 Richard Guenther <rguenther@suse.de>
9175 PR tree-optimization/26258
9176 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9177 in PHI argument processing.
9179 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9181 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9182 new expression in the requested machine mode.
9184 2006-02-13 Roger Sayle <roger@eyesopen.com>
9186 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9187 directly, instead let do_compare_rtx_and_jump handle this for us.
9188 * expr.c (expand_expr_real_1): Likewise.
9189 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9190 before do_jump_by_parts_greater.
9191 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9192 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9194 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9196 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9198 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9200 PR rtl-optimization/26235
9201 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9202 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9205 2006-02-13 Jeff Law <law@redhat.com>
9207 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9210 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9213 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9214 twice if decl is a builtin. When trying again, call get_callee_fndecl
9215 first to verify it is still a builtin.
9217 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9219 * dwarf2out.c (base_type_die): Don't add AT_name here.
9220 (subrange_type_die): Don't add AT_name here.
9221 (modified_type_die): Rearrange code flow. Do add AT_name here.
9223 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9225 PR rtl-optimization/26247
9226 PR rtl-optimization/26248
9227 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9229 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9231 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9232 * config/fixtfdi.c: Likewise.
9233 * config/fixunstfdi.c: Likewise.
9234 * config/floatditf.c: Likewise.
9236 2006-02-13 Roger Sayle <roger@eyesopen.com>
9239 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9240 into (X,C2) if C1 is a subset of the bits of C2. Transform
9241 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9243 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9245 2006-02-13 Josh Conner <jconner@apple.com>
9248 * varasm.c (function_section): Check for section name before
9249 calling select_section on targets that define
9250 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9251 unlikely_text_section instead of hot_function_section if
9252 first_function_block_is_cold.
9254 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9257 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9259 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9261 PR rtl-optimization/26222
9262 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9263 after tree->rtl expansion.
9264 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9265 before passing it to emit_move_insn.
9267 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9269 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9271 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9272 Clarify documentation.
9273 * c-common.h (warn_write_strings): Remove.
9274 * c-common.c (warn_write_strings): Likewise.
9275 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9278 2006-02-12 Roger Sayle <roger@eyesopen.com>
9281 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9282 (do_jump_parts_zero_rtx): New function renamed from
9283 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9284 (do_jump_parts_equality_rtx): New function split out from
9285 do_jump_parts_equality. Old implementation renamed as above.
9286 Call do_jump_parts_zero_rtx if either operand is zero.
9287 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9288 do all of the heavy lifting.
9289 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9290 calling either do_jump_by_parts_greater_rtx or
9291 do_jump_by_parts_equality_rtx.
9292 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9293 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9294 moved to do_compare_rtx_and_jump, call it directly.
9295 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9296 mode argument. Call do_compare_rtx_and_jump.
9297 (emit_case_nodes): Update calls to do_jump_if_equal.
9299 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9301 PR rtl-optimization/26225
9302 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9304 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9306 PR rtl-optimization/26232
9307 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9309 2006-02-11 Jason Merrill <jason@redhat.com>
9312 * tree-inline.c (declare_return_variable): Just don't use the
9313 modify target if it's a gimple complex reg and the return slot
9316 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9318 * doc/contrib.texi: Update my entry.
9320 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9322 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9324 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9326 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9329 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9331 * doc/invoke.texi (-floop-optimize2): Removed.
9332 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9333 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9334 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9335 * common.opt (floop-optimize2): Removed.
9336 (fmove-loop-invariants): Enabled by default.
9338 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9340 * tree-if-conv.c (combine_blocks): Free the result of
9341 get_loop_exit_edges.
9343 2006-02-10 Jeff Law <law@redhat.com>
9345 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9347 PR tree-optimization/26213
9348 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9349 loop trying to follow SSA_NAME_VALUE chains.
9351 2006-02-10 Richard Guenther <rguenther@suse.de>
9353 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9354 deal with structures that end in implicitly variable sized arrays.
9356 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9358 PR rtl-optimization/24762
9359 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9362 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9364 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9365 (struct ivopts_data): Add regs_used field.
9366 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9367 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9368 instead of loop_data->regs_used;
9369 (free_loop_data): Do not free aux fields for loops.
9370 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9371 and tree_ssa_iv_optimize_finalize.
9373 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9375 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9377 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9380 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9381 computing the effective result type.
9383 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9386 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9387 (tree_overlaps_hard_reg_set): Declare.
9388 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9389 type and signature to match function type expected by walk_tree.
9390 (tree_overlaps_hard_reg_set): New function.
9391 (decl_conflicts_with_clobbers_p): Rename to:
9392 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9393 Use tree_overlaps_hard_reg_set. Changed caller.
9394 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9395 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9396 * cris.c (cris_md_asm_clobbers): Likewise.
9398 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9400 * reload1.c (emit_input_reload_insns): Delete code that tries to
9401 inherit using find_equiv_reg.
9403 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9405 * c-common.h (flag_const_strings): Don't declare.
9406 * c-common.c (flag_const_strings): Remove.
9407 * c.opt (fconst_strings): Remove.
9408 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9409 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9410 (c_common_init_options): Don't set flag_const_strings.
9411 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9413 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9415 * arm.md (tlobits_cbranch): New pattern.
9416 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9417 testing a single bit.
9419 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9422 * tree-ssa-pre.c (create_component_ref_by_pieces):
9423 Handle RETURN_DECL like VAR_DECL.
9425 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9428 * fold-const.c (fold_indirect_ref_1): Fold
9429 "*(foo *)&complexfoo" to "__real__ complexfoo"
9430 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9432 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9434 * tree-flow-inline.h (var_can_have_subvars):
9435 Volatile variables should not have subvariables.
9437 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9440 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9441 multiplying unsigned values.
9444 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9446 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9448 2006-02-08 Jason Merrill <jason@redhat.com>
9451 * tree.def: Elaborate on difference from MODIFY_EXPR.
9452 * doc/c-tree.texi (INIT_EXPR): Likewise.
9453 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9454 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9455 (gimplify_target_expr): Likewise.
9456 (gimplify_cond_expr): Remove target handling.
9457 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9458 (gimplify_expr): Clobber it here.
9459 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9460 Do return slot optimization if we have an INIT_EXPR.
9463 * tree-inline.c (declare_return_variable): Also clear
9464 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9467 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9470 * gimplify.c (gimplify_one_sizepos): Fix typo.
9472 2006-02-08 Jeff Law <law@redhat.com>
9474 PR tree-optimization/21417
9475 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9476 across a backedge if the control statement at the end of the
9477 block is data dependent on other statements in the same block.
9478 (record_temporary_equivalences_from_stmts): Remove over-conservative
9479 test for threading across backedges.
9481 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9482 control statement, handle all three special cases in the same
9483 manner as they all have the same desired solution. No longer
9484 special case edge flag updating when the post dominator is
9487 2006-02-08 Roger Sayle <roger@eyesopen.com>
9489 * tree.def (CHAR_TYPE): Remove.
9490 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9491 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9492 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9493 (gen_string_type_die): Delete unreachable function.
9495 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9496 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9497 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9498 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9499 * builtins.c (type_to_class): Likewise.
9500 * fold-const.c (fold_convert, build_range_check,
9501 merge_ranges): Likewise.
9502 * expr.c (count_type_elements): Likewise.
9503 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9504 * stor-layout.c (layout_type): Likewise.
9505 * ipa-type-escape.c (type_to_consider): Likewise.
9506 * gimplify.c (omp_firstprivatize_type_sizes,
9507 gimplify_type_sizes): Likewise.
9508 * explow.c (promote_mode): Likewise.
9509 * tree-sra.c (is_sra_scalar_type): Likewise.
9510 * varasm.c (output_constant): Likewise.
9511 * tree-inline.c (remap_type_1): Likewise.
9512 * convert.c (convert_to_pointer, convert_to_real,
9513 convert_to_integer, convert_to_complex): Likewise.
9515 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9517 * df-scan.c (df_def_record_1): A set destination may
9518 be a parallel regardless of mode.
9520 2006-02-08 Roger Sayle <roger@eyesopen.com>
9523 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9524 * config/mips/_tilib.c: Remove.
9525 * config/fixtfdi.c: New libgcc source file.
9526 * config/fixunstfdi.c: New source file.
9527 * config/floatditf.c: New source file.
9528 * config/floatunditf.c: New souce file.
9529 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9530 files above instead of config/mips/_tilib.c.
9531 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9533 2006-02-08 Jeff Law <law@redhat.com>
9535 PR tree-optimization/26169
9536 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9539 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9541 * df.h (DF_REG_SIZE): Return the length of the initialized
9544 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9546 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9547 __muldf3): Return a correctly signed zero.
9549 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9551 * passes.c (register_one_dump_file): Accept the current properties
9552 instead of pass number. Adjust call to dump_register. Remove
9554 (register_dump_files): Now a wrapper around...
9555 (register_dump_files_1): ... this one. Do not modify the pass
9557 (next_pass_1): Cosmetic fix.
9558 (execute_todo): Keep second parameter only. Use curr_properties
9559 instead of fetching it from the pass structure. Check and set
9561 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9562 instead of fetching it from the pass structure. Fix calls to
9563 execute_todo. Update curr_properties and initialize .vcg RTL dump
9564 after running the pass. Reset last_verified.
9565 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9567 (FIRST_AUTO_NUMBERED_DUMP): New.
9568 (dump_register): Remove "num" parameter, assign it within the
9570 (get_dump_file_name): Modify template for dumps.
9571 * tree-dump.h (dump_register): Adjust prototype.
9572 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9573 (PROP_trees): Add PROP_gimple_lomp.
9574 (TODO_set_props): New.
9575 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9576 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9577 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9579 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9581 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9582 (sparc64-*-linux*): Likewise.
9583 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9584 * config/sparc/t-linux: New file.
9585 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9586 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9587 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9588 -m32 -mlong-double-128.
9590 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9591 * config/alpha/t-linux: New file.
9592 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9594 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9595 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9596 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9597 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9598 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9599 (CPP_ARCH32_SPEC): Remove.
9601 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9603 PR tree-optimization/26145
9604 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9607 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9610 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9611 >= 240000 when generating code for SOM runtime.
9612 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9613 to $$dyncall when generating code for SOM runtime..
9615 2006-02-07 Dirk Mueller <dmueller@suse.com>
9618 * doc/invoke.texi (-Wsequence-point): Update documentation
9619 that -Wsequence-point is implemented for C++ as well.
9621 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9623 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9624 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9625 (LIB_SPEC): Likewise.
9626 * doc/invoke.texi (SPARC options): Document -pthread.
9628 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9630 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9633 2006-02-07 Roger Sayle <roger@eyesopen.com>
9635 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9636 Correct comment describing BOOLEAN_TYPE.
9638 2006-02-07 Dirk Mueller <dmueller@suse.com>
9640 * c.opt: C++ frontend supports -Wdiv-by-zero.
9641 * c-opts.c (c_common_handle_option): Remove dead case.
9643 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9645 * configure.ac (TLS assembler check): Do not enable TLS by
9646 default on SPARC/Solaris before version 10.
9647 * configure: Regenerate.
9649 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9651 * doc/invoke.texi (xl-compat): Document conversion and support
9654 2006-02-07 Jeff Law <law@redhat.com>
9656 * tree-vrp.c (find_conditional_asserts): Update comments.
9657 (simplify_stmt_for_jump_threading): New.
9658 (identify_jump_threads, finalize_jump_threads): New.
9659 (vrp_finalize): Call identify_jump_threads.
9660 (execute_vrp): Call finalize_jump_threads.
9661 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9662 (vrp_element, vrp_data, vrp_element_p): Remove.
9663 (vrp_hash_elt, vrp_variables_stack): Remove.
9664 (vrp_hash, vrp_eq, record_range): Remove.
9665 (simplify_cond_and_lookup_avail_expr): Remove.
9666 (extract_range_from_cond): Remove.
9667 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9668 (simplify_stmt_for_jump_threading): New.
9669 (dom_thread_across_edge): New wrapper.
9670 (tree_ssa_dominator_optimize): No longer initialize or
9671 finalize any of the VRP datastructures. Remove iteration
9672 step and simplify as a result of removal of iteration step.
9673 (pass_dominator): Perform a cfg cleanup after DOM.
9674 (dom_opt_finalize_block): Use the new common routines
9675 for threading jumps. Simplify stack management slightly.
9676 No longer need to unwind VRP state.
9677 (record_equivalences_from_incoming_edge): No longer record
9679 (eliminate_redundant_computations): No longer call
9680 simplify_cond_and_lookup_avail_expr.
9681 * tree-flow.h (potentially_threadable_block): Prototype.
9682 (thread_across_edge): Likewise.
9683 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9684 (tree-ssa-threadedge.o): Add dependencies.
9685 * tree-ssa-threadedge.c: New file.
9686 * passes.c (init_optimization_passes): Merge PHIs before
9687 calling VRP. Run VRP again late in the SSA optimization pipeline.
9689 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9691 * df-core.c (df_set_blocks): Do not dereference function pointers.
9692 (df_finish1): Likewise.
9693 (df_hybrid_search_forward): Likewise.
9694 (df_hybrid_search_backward): Likewise.
9695 (df_iterative_dataflow): Likewise.
9696 (df_analyze_problem): Likewise.
9697 (df_compact_blocks): Likewise.
9698 (df_dump): Likewise.
9699 * df-scan.c (df_rescan_blocks): Likewise.
9700 (df_record_entry_block_defs): Likewise.
9702 * genconditions.c (write_conditions): Guard the definition of
9703 'insn_conditions' with the check on GCC version.
9704 (write_writer): Guard the traversal 'insn_conditions' with
9705 the check on GCC version.
9707 2006-02-07 Richard Guenther <rguenther@suse.de>
9711 2006-01-30 Richard Guenther <rguenther@suse.de>
9713 * gimplify.c (gimplify_target_expr): Handle easy cases
9714 without creating a temporary.
9716 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9718 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9719 use of float in probability computations. Use edge probabilities
9720 in place of statically computed probabilities.
9721 (min_spec_prob): New static variable.
9722 (schedule_insns): Initialize it.
9723 (GET_SRC_PROB): Removed.
9724 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9726 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9729 * config/ia64/unwind-ia64.c: Revert last change.
9730 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9731 (INCOMING_FRAME_SP_OFFSET): Define.
9733 2006-02-06 Roger Sayle <roger@eyesopen.com>
9735 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9737 2006-02-07 Ben Elliston <bje@au.ibm.com>
9739 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9740 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9741 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9742 (ix86_return_in_memory): Handle TDmode.
9743 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9744 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9746 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9748 * reorg.c (dbr_schedule): Use dump_file instead of file.
9750 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9753 * config/ia64/predicates.md (extr_len_operand): New predicate.
9754 * config/ia64/ia64.md (extv): Tighten constraints.
9756 (*tbit_and_2): Ditto.
9757 (*tbit_and_3): Ditto.
9758 (*tbit_or_2): Ditto.
9759 (*tbit_or_3): Ditto.
9763 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9766 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9768 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9770 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9771 loop_optimizer_init and loop_optimizer_finalize
9772 * tree-ssa-sink.c (execute_sink_code): Ditto.
9773 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9774 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9775 tree_ssa_loop_done): Ditto.
9776 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9777 * sched-ebb.c: Include output.h.
9778 (schedule_ebbs): Do not use dump argument.
9779 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9780 * loop.c (loop_dump_stream): Removed.
9781 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9783 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9784 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9785 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9786 loop_iterations, strength_reduce, record_biv, record_giv,
9787 final_giv_value, check_final_value, check_ext_dependent_givs,
9788 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9789 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9790 dump_file instead of loop_dump_stream.
9791 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9793 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9795 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9796 * haifa-sched.c: Include output.h
9797 (schedule_insns, sched_init): Do not use dump argument.
9798 * mode-switching.c (optimize_mode_switching): Ditto.
9799 * modulo-sched.c (stats_file): Removed.
9800 (print_node_sched_params): Do not call argument dump_file.
9801 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9802 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9804 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9806 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9807 rtl_loop_init, rtl_loop_done): Ditto.
9808 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9809 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9811 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9812 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9813 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9814 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9815 * emit-rtl.c (renumber_insns): Ditto.
9816 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9817 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9818 * regclass.c (regclass): Ditto.
9819 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9820 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9821 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9822 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9824 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9825 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9827 * gcse.c (gcse_file, debug_stderr): Removed.
9828 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9829 rest_of_handle_gcse): Do not use dump argument.
9830 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9831 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9832 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9833 compute_code_hoist_vbeinout, compute_code_hoist_data,
9834 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9835 compute_store_table, build_store_vectors, insert_insn_start_bb,
9836 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9837 store_motion): Use dump_file instead of gcse_file.
9838 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9839 * profile.c (profile_dump_file): Removed.
9840 (branch_prob): Use dump_file instead of profile_dump_file.
9841 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9843 * tree-ssa-copy.c (dump_copy_of): Ditto.
9844 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9845 dump file to life_analysis.
9846 * bt-load.c (branch_target_load_optimize): Ditto.
9847 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9849 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9850 regclass, dbr_schedule): Declaration changed.
9851 * sched-int.h (sched_init): Declaration changed.
9852 * tree-profile.c (tree_profile_dump_file): Removed.
9853 (tree_profile_hooks): Removed profile_dump_file hook.
9854 * rtl-profile (rtl_profile_dump_file): Removed.
9855 (rtl_profile_hooks): emoved profile_dump_file hook.
9856 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9858 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9859 * tree-cfg.c (build_tree_cfg): Ditto.
9860 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9861 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9862 Declaration changed.
9863 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9864 life_analysis and schedule_insns.
9865 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9867 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9869 * config/mips/mips.c (mips_reorg): Ditto.
9870 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9873 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9875 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9876 (s390_mangle_fundamental_type): New.
9877 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9880 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9881 (alpha_mangle_fundamental_type): New.
9882 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9885 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9887 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9889 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9890 (sparc_mangle_fundamental_type): New.
9892 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9894 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9895 (s390x-*-linux*): Likewise.
9896 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9897 * config/s390/t-linux: New file.
9899 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9901 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9902 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9904 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9906 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9907 (ANTIC_SAFE_LOADS): New macro.
9908 (find_or_generate_expression): Add prototype.
9909 (set_contains_value): Allow null set for sake of not always having
9910 to allocate ANTIC_SAFE_LOADS.
9911 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9912 Allow COMPONENT_REF too.
9913 (valid_in_set): Allow COMPONENT_REF.
9914 Check ANTIC_SAFE_LOADS too.
9915 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9916 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9918 (can_PRE_operation): Add COMPONENT_REF.
9919 (create_component_ref_by_pieces): New function.
9920 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9921 (insert_aux): Move AGGREGATE_TYPE_P check here.
9922 (compute_avail): Set bb local stmt uids.
9923 (pass_pre): Use TODO_update_ssa_only_virtuals.
9925 2006-02-06 Ben Elliston <bje@au.ibm.com>
9927 * configure.ac: Unconditionally disable decimal float by default.
9928 * configure: Regenerate.
9930 2006-02-06 Ben Elliston <bje@au.ibm.com>
9932 * read-rtl.c (read_name): Terminate reading on EOF.
9934 2006-02-06 Ben Elliston <bje@au.ibm.com>
9936 * dfp.c (decimal_real_arithmetic): Change second argument type
9937 from int to enum tree_code. Do not always return true, but now
9938 return result of any call to decimal_do helper functions.
9939 * dfp.h (decimal_real_arithmetic): Update prototype.
9941 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9943 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9945 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9948 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9951 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9953 * tree-vrp.c (cfg_loops): Removed.
9954 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9955 Use current_loops instead of cfg_loops. Pass flags to
9956 loop_optimizer_init.
9957 * cfgloopmanip.c (fix_loop_structure): Update only available
9959 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9960 loop_optimizer_init.
9961 * modulo-sched.c (build_loops_structure): Removed.
9962 (sms_schedule): Use loop_optimizer_init.
9963 * loop-init.c (loop_optimizer_init): Use flags to determine
9964 which properties of loops to prepare.
9965 (rtl_loop_init): Pass flags to loop_optimizer_init.
9966 * tree-ssa-sink.c (execute_sink_code): Ditto.
9967 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9968 * tree-ssa-pre.c (init_pre): Ditto.
9969 * cfgloop.h (LOOPS_NORMAL): New.
9970 (loop_optimizer_init): Declaration changed.
9972 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9974 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9975 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9977 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9979 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9981 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9982 * pa/t-pa64: Delete quadlib.c rule.
9983 * pa/x-ada: Revert last change.
9984 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9986 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9988 PR rtl-optimization/26087
9989 * rtlanal.c (canonicalize_condition): Do not cross basic block
9992 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9995 * config/ia64/ia64.c: Include debug.h.
9996 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9997 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9998 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9999 (process_epilogue, process_set, process_for_unwind_directive):
10000 Output unwind info only if requested. Add CFA info if requested.
10001 Add new arguments as needed. Adjust callers.
10002 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10004 (DWARF2_FRAME_INFO): Define to zero.
10005 * config/ia64/unwind-ia64.c: Remove code that compensated for
10006 the CFA offset error fixed above.
10007 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10008 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10009 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10010 -funwind-tables and -fexceptions to enable frame info.
10011 (dwarf2out_frame_init): Define initial CFA even if
10012 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10013 DWARF2_UNWIND_INFO is nonzero, not just defined.
10014 (dwarf2out_frame_finish): Output non-EH call frame info only
10015 if DWARF2_FRAME_INFO is nonzero.
10016 (convert_cfa_to_loc_list,
10017 compute_frame_pointer_to_cfa_displacement): Define even if
10018 unwind info is not supported.
10019 (gen_subprogram_die): Use the above unconditionally. Remove
10020 legacy alternate code.
10021 * toplev.c (compile_file): Compile in call to
10022 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10023 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10025 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10026 Jakub Jelinek <jakub@redhat.com>
10028 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10029 IBM extended float format long double as "g" on powerpc*-linux.
10031 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10034 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10035 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10037 2006-02-03 Jason Merrill <jason@redhat.com>
10040 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10042 PR middle-end/25977
10043 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10044 on the return slot if it's an NRV.
10046 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10048 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10049 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10050 rewrite_use): Do not handle USE_OUTER.
10051 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10052 add_iv_outer_candidates, may_replace_final_value,
10053 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10054 (find_interesting_uses_op): Functionality of
10055 find_interesting_uses_outer_or_nonlin moved here.
10056 (find_interesting_uses_outside): Use find_interesting_uses_op.
10058 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10061 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10063 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10064 Ulrich Weigand <uweigand@de.ibm.com>
10067 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10068 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10069 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10070 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10072 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10073 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10074 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10075 Define secondary reloads for TFmode moves.
10076 (constant_modes): Add TFmode.
10077 (NR_C_MODES): Set to 8.
10078 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10080 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10081 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10082 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10083 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10084 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10085 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10086 (FPR mode macro): Add TFmode.
10087 (DSF mode macro): New.
10088 (<de>, <dee> mode attributes): Removed.
10089 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10090 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10091 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10092 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10093 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10094 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10095 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10096 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10097 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10098 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10099 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10100 "*negabs<mode>2", "sqrt<mode>2"):
10101 Changed <de> to <xde>. R constraint replaced by <Rf>.
10102 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10104 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10105 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10106 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10108 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10109 "extenddftf2", "extendsftf2"): New expanders.
10110 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10111 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10112 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10113 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10115 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10116 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10117 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10118 __floatditf): Add a GCC_4.1.0 symbol version tag.
10119 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10122 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10125 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10126 Use targetm.binds_local_p instead of TREE_PUBLIC.
10128 2006-02-02 Roger Sayle <roger@eyesopen.com>
10130 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10131 on INTEGER_TYPEs to indicate that it denotes a character type.
10132 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10133 signed_char_type_node, unsigned_char_type_node and char_type_node.
10134 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10135 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10136 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10138 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10139 Daniel Berlin <dberlin@dberlin.org>
10141 * tree-tailcall.c (arg_needs_copy_p): New function.
10142 (eliminate_tail_call): Use arg_needs_copy_p.
10143 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10144 (add_virtual_phis): New function.
10146 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10148 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10149 #ignore instead of #scratch for %g7 .register directive.
10151 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10153 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10156 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10158 * flow.c (calculate_global_regs_live): Assert that there aren't any
10161 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10163 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10164 what its name says.
10165 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10166 bsi_after_labels iterator.
10167 * tree-if-conv.c (find_phi_replacement_condition,
10168 replace_phi_with_cond_modify_expr): Likewise.
10169 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10170 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10172 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10174 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10176 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10179 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10180 array after growing it.
10182 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10184 PR middle-end/24901
10185 * fold-const.c (fold_checksum_tree): Change type of buf.
10187 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10189 * reload.c (push_secondary_reload): Initialize t_icode.
10191 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10193 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10194 -msoft-float -mlong-double-128 only issue a warning, but don't
10195 swich to DFmode long double.
10197 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10199 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10200 has a constant equivalent, iterate over equivalents for arg0,
10201 calling simplify_relational_operation and if there's a result
10202 cheaper than X, apply fold_rtx and return the result.
10204 2006-02-01 Jan Hubicka <jh@suse.cz>
10206 * opts.c (no_unit_at_a_time_default): New global variable.
10207 (decode_options): Use it.
10208 * opts.h (no_unit_at_a_time_default): Declare.
10210 2006-02-01 Paul Brook <paul@codesourcery.com>
10212 * function.c (assign_parm_setup_reg): Use function argument promotion
10214 * expr.c (expand_expr_real_1): Use function argument promotion rules
10217 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10219 * gcc.c (process_command): Change j to 'unsigned int'.
10221 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10223 PR middle-end/26001
10224 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10225 Use the corrected index for the character
10226 out of the string constant.
10228 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10230 * mode-switching.c (optimize_mode_switching): Fix size
10231 allocated for bb_info[n_entities].
10233 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10235 * gcc.c (main): Correct type that is allocated for
10236 explicit_link_files.
10238 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10240 * config/s390/s390.c (init_alignment_context): Set
10241 ALIAS_SET_MEMORY_BARRIER on the MEM.
10242 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10244 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10246 PR middle-end/25933
10247 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10249 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10252 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10254 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10255 * regrename.c: Ditto.
10256 * tree-ssa-loop-im.c: Ditto.
10257 * tree-dump.c: Ditto.
10258 * tree-complex.c: Ditto.
10259 * genrecog.c: Ditto.
10260 * tree-ssa-threadupdate.c: Ditto.
10262 * java/class.c: Ditto.
10263 * java/jcf-parse.c: Ditto.
10264 * java/resource.c: Ditto.
10265 * java/except.c: Ditto.
10266 * java/jvspec.c: Ditto.
10267 * java/jcf-write.c: Ditto.
10268 * java/jcf-path.c: Ditto.
10269 * java/gjavah.c: Ditto.
10270 * java/zextract.c: Ditto.
10271 * java/jcf-io.c: Ditto.
10272 * java/jcf.h: Ditto.
10273 * java/buffer.c: Ditto.
10274 * java/lang.c: Ditto.
10275 * java/parse-scan.y: Ditto.
10276 * java/lex.c: Ditto.
10277 * java/lex.h: Ditto.
10278 * cfgloopmanip.c: Ditto.
10279 * postreload-gcse.c: Ditto.
10280 * tree-ssa-loop-manip.c: Ditto.
10281 * postreload.c: Ditto.
10282 * tree-ssa-loop-ch.c: Ditto.
10285 * cppspec.c: Ditto.
10286 * diagnostic.c: Ditto.
10288 * genoutput.c: Ditto.
10290 * cfghooks.c: Ditto.
10291 * cfgloopanal.c: Ditto.
10292 * objc/objc-act.c: Ditto.
10294 * genextract.c: Ditto.
10295 * genautomata.c: Ditto.
10296 * pretty-print.c: Ditto.
10297 * genemit.c: Ditto.
10298 * cgraphunit.c: Ditto.
10300 * df-scan.c: Ditto.
10301 * haifa-sched.c: Ditto.
10302 * dominance.c: Ditto.
10304 * tree-ssa-loop-ivopts.c: Ditto.
10305 * df-core.c: Ditto.
10306 * mode-switching.c: Ditto.
10307 * modulo-sched.c: Ditto.
10309 * ipa-pure-const.c: Ditto.
10311 * fix-header.c: Ditto.
10313 * tree-stdarg.c: Ditto.
10314 * ipa-utils.c: Ditto.
10315 * loop-init.c: Ditto.
10316 * ipa-inline.c: Ditto.
10317 * cfganal.c: Ditto.
10319 * alloc-pool.c: Ditto.
10320 * dwarf2out.c: Ditto.
10322 * genattrtab.c: Ditto.
10323 * tree-ssa-loop-ivcanon.c: Ditto.
10324 * predict.c: Ditto.
10325 * timevar.c: Ditto.
10327 * fortran/gfortranspec.c: Ditto.
10328 * regmove.c: Ditto.
10329 * local-alloc.c: Ditto.
10330 * langhooks.c: Ditto.
10331 * function.c: Ditto.
10332 * tree-vectorizer.c: Ditto.
10334 * ipa-type-escape.c: Ditto.
10336 * tree-if-conv.c: Ditto.
10337 * profile.c: Ditto.
10339 * tree-data-ref.c: Ditto.
10340 * loop-unroll.c: Ditto.
10341 * treelang/treetree.c: Ditto.
10343 * bt-load.c: Ditto.
10344 * ggc-common.c: Ditto.
10346 * coverage.c: Ditto.
10348 * tree-cfgcleanup.c: Ditto.
10349 * tree-ssa-pre.c: Ditto.
10350 * cfgcleanup.c: Ditto.
10351 * loop-invariant.c: Ditto.
10352 * loop-iv.c: Ditto.
10353 * ipa-prop.c: Ditto.
10354 * print-tree.c: Ditto.
10355 * conflict.c: Ditto.
10356 * ggc-page.c: Ditto.
10357 * sched-deps.c: Ditto.
10358 * regclass.c: Ditto.
10359 * tree-object-size.c: Ditto.
10360 * combine.c: Ditto.
10361 * bb-reorder.c: Ditto.
10362 * resource.c: Ditto.
10363 * var-tracking.c: Ditto.
10364 * cfgloop.c: Ditto.
10365 * df-problems.c: Ditto.
10366 * reg-stack.c: Ditto.
10368 * gccspec.c: Ditto.
10369 * sched-rgn.c: Ditto.
10370 * tree-ssa-structalias.c: Ditto.
10371 * tree-ssa-reassoc.c: Ditto.
10372 * config/darwin-c.c: Ditto.
10373 * config/darwin.c: Ditto.
10374 * config/arm/arm.c: Ditto.
10376 * collect2.c: Ditto.
10377 * reload1.c: Ditto.
10379 2006-01-31 Nicolas Pitre <nico@cam.org>
10381 * arm.md (smaxsi3): Make aware of smax_m1.
10384 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10386 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10388 2006-01-31 Richard Guenther <rguenther@suse.de>
10390 * doc/invoke.texi (-msselibm): Document.
10391 * target.h (expand_library_builtin): New target hook.
10392 * builtins.c (expand_builtin): Use expand_library_builtin.
10393 (default_expand_library_builtin): New function.
10394 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10395 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10396 (link_gcc_math_spec): Declare.
10397 (static_specs): Add link_gcc_math_spec.
10398 * expr.h (default_expand_library_builtin): Declare.
10399 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10400 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10401 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10402 * config/i386/i386.opt (msselibm): New target option.
10403 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10404 (ix86_init_sse_abi_builtins): New function.
10405 (ix86_expand_library_builtin): Likewise.
10406 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10407 (override_options): Handle error conditions wrt -msselibm.
10408 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10409 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10410 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10413 2006-01-31 Richard Guenther <rguenther@suse.de>
10414 Paolo Bonzini <bonzini@gnu.org>
10416 * doc/install.texi (--disable-libgcc-math): Document.
10418 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10420 * expr.h (expand_normal): new inline function.
10421 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10422 * dojump.c: use it.
10423 * dwarf2out.c: use it.
10426 * expmed.c: use it.
10427 * except.c: use it.
10428 * config/sparc/sparc.c: use it.
10429 * config/i386/i386.c: use it.
10430 * config/rs6000/rs6000.c: use it.
10431 * config/arm/arm.c: use it.
10432 * config/mips/mips.c: use it.
10433 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10435 2006-01-30 Roger Sayle <roger@eyesopen.com>
10437 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10438 argv to the appropriate type.
10440 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10442 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10445 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10448 * config/s390/s390.c (struct machine_function): New flag
10449 decomposed_literal_pool_addresses_ok_p.
10450 (s390_reorg): Set it before final stage of literal pool transforms.
10451 (s390_decompose_address): Only accept displacements of the form
10452 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10454 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10456 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10457 the comparison routine return.
10459 2006-01-30 Michael Matz <matz@suse.de>
10461 * global.c (find_reg): Only evict for global regs.
10462 Take n_refs into account and dump more info.
10464 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10467 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10468 (pragma_trap, pragma_nosave_low_regs): Likewise.
10469 (current_function_anonymous_args): Likewise.
10470 (sh_deferred_function_attributes): New variable.
10471 (sh_deferred_function_attributes_tail): Likewise.
10472 (print_operand): For '@', look up trap_exit attribute.
10473 (calc_live_regs): Look up trapa_handler attribute. For trapa
10474 handlers, save/restore fpscr, but don't do any other
10475 interrupt-specific saves.
10476 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10477 Fix check for partially saved registers to check for SHmedia.
10478 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10479 (sh_output_function_epilogue): Don't clear any of the removed
10481 (sh_insert_attributes): Don't check pragma_interrupt.
10482 Insert deferred attributes. Check that interrupt attribute is
10483 present for other attributes that require its presence.
10484 (sh_attribute_table): Add new attributes trapa_handler and
10486 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10487 Don't check for pragma_interrupt. Don't store argument.
10488 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10489 (sh_deferred_function_attributes): Declare.
10490 (sh_deferred_function_attributes_tail): Likewise.
10491 * sh.md (sp_switch_1): Add operand. Change generator caller.
10492 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10493 (*return_i): Don't use when trap_exit attribute is in effect.
10494 (*return_trapa): New insn pattern.
10495 * sh-c.c: New file.
10496 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10497 setting c_target_objs and cxx_target_objs.
10498 * t-sh: Add rule for sh-c.o.
10500 2006-01-30 Richard Guenther <rguenther@suse.de>
10503 * gimplify.c (gimplify_target_expr): Handle easy cases
10504 without creating a temporary.
10506 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10508 * vec.h (safe_grow): Remove duplicated line.
10510 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10513 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10514 (expand_omp): ... here.
10515 (expand_omp_parallel): Only remove barriers for combined
10516 parallel+workshare constructs.
10518 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10522 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10523 * tree.c (build_qualified_type): Chain the new type to the original
10524 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10525 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10526 (build_pointer_type_for_mode): Only return unqualified types.
10527 (build_reference_type_for_mode): Likewise.
10529 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10531 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10532 * Makefile.in (CXX_COMPAT_WARN): Define.
10533 * configure: Regenerate.
10535 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10538 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10541 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10543 * toplev.c: Fix thinko.
10545 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10546 Marcin Dalecki <martin@dalecki.de>
10548 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10549 (push_srcloc): Use XNEW.
10550 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10552 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10554 * df-core.c (df_set_blocks): Deleted all variable.
10556 2006-01-28 Ian Lance Taylor <ian@airs.com>
10558 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10559 cgraph_output_pending_asms.
10561 2006-01-28 Zack Weinberg <zackw@panix.com>
10563 * c.opt: Add -W(no-)overlength-strings.
10564 * doc/invoke.texi: Document it.
10565 * c-opts.c (c_common_handle_option): -pedantic implies
10566 -Woverlength-strings, if not explicitly disabled already.
10567 (c_common_post_options): -Woverlength-strings defaults to off, and
10568 is always off for C++.
10569 * c-common.c (fix_string_type): Issue warning about strings longer
10570 than is portable only if warn_overlength_strings. Rearrange code
10571 a little for clarity.
10572 * configure.in: Check for -Wno-overlength-strings as well before
10573 enabling -pedantic in stage 1.
10574 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10575 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10577 * genconditions.c (write_header, write_one_condition)
10578 (write_conditions, write_writer): Consolidate very long strings
10579 that were broken up to fit in C89 portable limit. Don't use
10580 printf when fputs will do.
10582 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10584 * combine.c (simplify_comparison <AND>): Check
10585 TRULY_NOOP_TRUNCATION before start using a subreg.
10587 * config/mips/mips.md (*branch_zero<mode>,
10588 *branch_zero<mode>_inverted, *branch_equality<mode>,
10589 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10590 Remove mode check from comparisons.
10592 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10594 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10596 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10598 * expmed.c (const_mult_add_overflow_p): Remove.
10599 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10601 * recog.c (validate_replace_rtx_subexp): Remove.
10602 * recog.h: Remove the prototype for
10603 validate_replace_rtx_subexp.
10605 * integrate.h: Remove the prototype for
10606 copy_decl_for_inlining.
10607 * rtl.h: Remove the prototype for mark_constant_function.
10608 * tree-vectorizer.h: Remove the prototype for
10609 vect_strip_conversion.
10611 * modulo-sched.c (create_partial_schedule,
10612 free_partial_schedule, reset_partial_schedule): Make them
10615 * hooks.c (hook_bool_rtx_int_false): Remove.
10616 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10618 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10620 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10621 and -mlong-double-128 are incompatible.
10622 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10623 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10624 (TARGET_LIBGCC2_CFLAGS): Define.
10625 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10626 (TARGET_LIBGCC2_CFLAGS): Same.
10627 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10629 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10632 * c-typeck.c (build_binary_op): Perform implicit casts of
10633 operands before shortening them.
10635 * cfgloopmanip.c (split_loop_bb): Remove.
10636 * cfgloop.h: Remove the prototype for split_loop_bb.
10638 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10639 * cfgloop.h: Remove the prototype for
10640 flow_loop_outside_edge_p.
10642 * emit-rtl.c (init_virtual_regs): Make it static.
10643 * function.h: Remove the prototype for init_virtual_regs.
10645 * recog.c (peephole2_optimize): Make it static.
10646 * recog.h: Remove the prototype for peephole2_optimize.
10648 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10650 * df-scan.c (df_record_entry_block_defs): Check if
10651 INCOMING_RETURN_ADDR_RTX is defined.
10653 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10654 Kenneth Zadeck <zadeck@naturalbridge.com>
10656 PR rtl-optimization/24762
10657 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10658 * targhooks.c (hook_void_bitmap): New hook prototype.
10659 * targhoohs.h (hook_void_bitmap): Ditto.
10660 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10661 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10662 * target.h (live_on_entry): New function pointer.
10663 * df-scan.c (df_all_hard_regs): Removed.
10664 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10665 (df_scan_free_internal): Added df->entry_block_defs.
10666 (df_scan_alloc): Ditto.
10667 (df_scan_dump): Ditto.
10668 (df_uses_record): Plumbed flag field properly thru calls.
10669 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10670 This part fixes PR24762.
10671 (df_bb_refs_record): Added code to make the frame and arg
10672 pointers live in EH blocks.
10673 (df_refs_record): Added call to df_record_entry_block_defs.
10674 (df_record_entry_block_defs): New function.
10675 * df-core.c: Added comments to describe new artifical defs.
10676 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10677 (entry_block_defs): New field in struct df.
10678 (df_all_hard_regs): Deleted.
10679 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10680 * df-problems.c (df_ru_bb_local_compute_process_def):
10681 Added code to handle artifical defs in the entry to a function.
10682 (df_ru_bb_local_compute): Ditto.
10683 (df_rd_bb_local_compute_process_def): Ditto.
10684 (df_rd_bb_local_compute): Ditto.
10685 (df_lr_bb_local_compute): Ditto.
10686 (df_ur_bb_local_compute): Ditto.
10687 (df_urec_bb_local_compute): Ditto.
10688 (df_chain_create_bb): Ditto.
10689 (df_ur_local_finalize): Removed entry.
10690 (df_urec_init): Ditto.
10691 (df_urec_local_finalize): Ditto.
10692 (df_ri_bb_compute): Added detection of last use of pseudos.
10693 * Makefile.in (df-scan.o): Updated dependencies.
10694 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10695 * config/mips/mips.c (mips_set_live_on_entry): Added.
10696 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10698 * dce.c (marked_insn_p): Added code to handle artifical defs.
10700 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10702 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10704 (_mm_cvtsi128_si64): Likewise.
10705 (_mm_cvtsd_si64): Likewise.
10706 (_mm_cvttsd_si64): Likewise.
10707 (_mm_cvtsi64_sd): Likewise.
10708 (_mm_cvtsi64_si128): Likewise.
10709 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10710 (_mm_cvtsi64_m64): Likewise.
10711 (_m_to_int64): Likewise.
10712 (_mm_cvtm64_si64): Likewise.
10713 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10714 (_mm_cvttss_si64): Likewise.
10715 (_mm_cvtsi64_ss): Likewise.
10716 (_mm_cvtss_f32): Likewise.
10718 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10720 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10721 for pragma redefine_extname.
10723 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10726 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10727 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10728 -mno-minimal-toc to previous content.
10729 (bispecs): Remove goal.
10730 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10731 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10732 compatibility aliases on powerpc-*-*gnu*.
10733 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10734 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10735 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10736 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10737 (ldblspecs): New goal.
10738 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10739 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10741 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10742 L_sf_to_tf or L_df_to_tf is defined.
10744 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10745 Alan Modra <amodra@bigpond.net.au>
10748 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10749 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10750 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10751 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10752 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10753 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10754 (rs6000_override_options): Initialize rs6000_ieeequad.
10755 Initialize TFmode format to ibm_extended_format if not
10757 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10759 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10760 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10761 (function_arg_advance): IBM long double passed in two FPRs, not
10763 (function_arg): IBM long double passed in FPRs.
10764 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10765 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10766 Only multireg GPR aligned.
10767 (rs6000_init_libfuncs): Enable IBM long double functions if not
10769 (rs6000_generate_compare): Use IBM long double compare if not
10771 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10772 (TARGET_IEEEQUAD): Define.
10773 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10774 not TARGET_IEEEQUAD.
10775 * config/rs6000/rs6000.md: Enable TFmode patterns if
10777 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10778 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10779 and -mlong-double-128 are incompatible.
10780 * doc/invoke.texi (-mabi): Collect options together. Add
10781 ibmlongdouble and ieeelongdouble.
10783 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10785 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10787 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10788 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10789 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10790 * rtl.h (rtunion_def): Remove rt_ptr.
10792 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10793 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10794 * config/i386/winnt.c (i386_pe_mark_dllexport)
10795 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10797 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10799 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10801 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10805 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10806 pthread_key_delete. From John David Anglin. gthrw-ify
10807 pthread_getunique_np only if it it's not a macro. Delete
10809 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10810 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10811 __gthread_objc_condition_signal, __gthread_key_delete): Add
10812 "__attribute__ ((__unused__))" to unused arguments.
10813 (__gthread_recursive_mutex_init_function): Add missing return.
10814 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10815 gthr-posix95.h: Use macro-based approach for name redirection
10816 on targets missing weakref.
10818 2006-01-26 Zack Weinberg <zackw@panix.com>
10820 * genconditions.c (write_header): In generated code, #ifdef out
10821 all includes and fake declarations, except includes of bconfig.h
10822 and system.h, unless GCC_VERSION >= 3001. Do not include
10823 gensupport.h in any case.
10824 (write_conditions): Generate a definition of struct c_test. Add
10825 a comment to the generated #endif.
10826 (write_one_condition): Escape backslashes in string too.
10827 (write_writer): Generated code must escape backslashes and quote
10828 marks (but not newlines) in the strings it writes.
10829 * Makefile.in (build/gencondmd.o): Update dependencies.
10831 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10834 * Makefile.in (insn-automata.o): Add header file dependencies.
10835 * genautomata.c: Add includes.
10837 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10840 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10842 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10844 * configure.ac: Expect target tools paths to be passed from the toplevel
10845 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10847 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10849 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10852 * c.opt (Wpointer-sign): Init to -1.
10853 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10854 OPT_pedantic, to 0 otherwise.
10855 * doc/invoke.texi: Update.
10857 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10859 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10860 constants provided by 80387 instructions in the destination mode.
10862 2006-01-26 Richard Guenther <rguenther@suse.de>
10863 Andrew Pinski <pinskia@physics.uc.edu>
10866 partial PR tree-opt/17064
10867 * tree-ssa-structalias.c (intra_create_variable_infos):
10868 Create heap variables for incoming parameters if
10869 flag_argument_noalias > 1.
10870 (find_what_p_points_to): Look through default defs of
10873 2006-01-26 Jeff Law <law@redhat.com>
10876 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10877 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10878 within the VR_RANGE, use the VR_RANGE as the result, not the
10880 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10881 bounds for the type.
10883 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10885 * tree-ssa-alias.c (maybe_create_global_var): Change
10886 subvar walking to an assertion that we don't have subvar'd variables.
10888 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10891 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10892 Use a new variable, inner. PARM_DECLs are always non-weak.
10894 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10896 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10897 --disable-checking.
10899 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10901 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10903 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10905 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10906 (smax_insn, smin_insn, smax_0, smin_0): New.
10908 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10911 * config/cris/cris.c (cris_order_for_addsi3): New function.
10912 * config/cris/cris-protos.h: Prototype it.
10913 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10914 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10915 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10916 (split for "op.S1 [rx=rx+i],ry (swapped)")
10917 (split for "op(s|u).S1 [rx=rx+i],ry")
10918 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10919 Apply cris_order_for_addsi3 when generating addsi3 insns.
10921 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10923 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10924 (TREE_BLOCK): Add call to EXPR_CHECK.
10926 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10929 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10930 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10931 (dump_omp_clauses): ... here.
10932 (dump_generic_node): Handle OMP_CLAUSE.
10933 * tree.c (omp_clause_num_ops): New.
10934 (omp_clause_code_name): New.
10935 (tree_code_size): Handle OMP_CLAUSE.
10936 (tree_size): Likewise.
10937 (make_node): Document handling of OMP_CLAUSE.
10938 (tree_node_structure): Handle OMP_CLAUSE.
10939 (omp_clause_check_failed): New.
10940 (omp_clause_range_check_failed): New.
10941 (omp_clause_operand_check_failed): New.
10942 (build_omp_clause): New.
10943 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10944 * tree.h (enum omp_clause_code): Declare.
10945 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10946 (OMP_CLAUSE_RANGE_CHECK): Define.
10947 (OMP_CLAUSE_ELT_CHECK): Define.
10948 (omp_clause_check_failed): Declare.
10949 (omp_clause_operand_check_failed): Declare.
10950 (omp_clause_range_check_failed): Declare.
10951 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10952 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10953 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10954 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10955 (OMP_CLAUSE_IF_EXPR): Likewise.
10956 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10957 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10958 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10959 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10960 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10961 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10962 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10963 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10964 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10965 (OMP_CLAUSE_CODE): Define.
10966 (OMP_CLAUSE_SET_CODE): Define.
10967 (OMP_CLAUSE_CODE): Define.
10968 (OMP_CLAUSE_OPERAND): Define.
10969 (struct tree_omp_clause): Declare.
10970 (union tree_node): Add field 'omp_clause'.
10971 * treestruct.def (TS_OMP_CLAUSE): Define.
10972 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10973 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10974 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10975 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10976 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10977 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10978 (OMP_CLAUSE): Define.
10979 * print-tree.c (print_node): Handle OMP_CLAUSE.
10980 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10981 * c-typeck.c: Likewise.
10982 * gimplify.c: Likewise.
10983 * c-omp.c: Likewise.
10984 * tree-nested.c: Likewise.
10985 * tree-inline.c: Likewise.
10986 * c-parser.c: Likewise.
10987 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10990 2006-01-25 Roger Sayle <roger@eyesopen.com>
10992 PR rtl-optimization/25703
10993 * combine.c (try_combine): Handle zero_extract and strict_low_part
10994 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10996 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10998 * global.c: Fix comment typos.
11000 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11003 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11004 Use output_addr_const instead of assemble_name.
11006 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11008 * Makefile.in (sched-vis.o): Update dependencies.
11009 * haifa-sched.c (sched_finish): Clear current_sched_info.
11010 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11011 (dump_flow_info): Call it.
11012 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11014 * basic-block.h (dump_bb_info): Declare.
11015 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11016 option, and apply options only for dump files whose TDF_RTL,
11017 TDF_TREE, or TDF_IPA bits match.
11018 * rtl.h: Declare new functions exported from sched-vis.c.
11019 * sched-vis.c: Enable also if scheduling is not used.
11020 (print_value): Print the mode of registers if not inside scheduling.
11021 (print_insn): Make it work outside the scheduler. Beautify the output
11023 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11025 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11027 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11028 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11029 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11030 depending on the value of CONSTANT_POOL_ADDRESS_P.
11031 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11033 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11034 rather than SYMBOL_REF_DECL.
11035 (rtx_constant_pool): Remove const_rtx_sym_htab.
11036 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11037 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11038 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11039 Remove handling of const_rtx_sym_htab.
11040 (find_pool_constant): Delete.
11041 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11042 rather than find_pool_constant.
11043 (get_pool_constant_for_function): Delete.
11044 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11045 find_pool_constant.
11046 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11047 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11048 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11049 (SYMBOL_REF_CONSTANT): New macro.
11050 (get_pool_constant_for_function): Delete.
11051 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11052 rather than SYMBOL_REF_DECL.
11053 (i386_pe_mark_dllimport): Likewise.
11054 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11055 rather than SYMBOL_REF_DECL.
11056 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11057 (machopic_indirect_call_target): Likewise.
11059 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11061 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11063 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11065 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11067 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11069 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11071 2006-01-24 David Daney <ddaney@avtrex.com>
11074 * configure.ac (enable_tls): New enable option.
11075 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11076 * configure: Regenerate.
11077 * doc/install.texi (--enable-tls): Document new option.
11078 (--disable-tls): Ditto.
11080 2006-01-24 Richard Henderson <rth@redehat.com>
11082 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11083 * alias.c (true_dependence): Respect it.
11084 (canon_true_dependence, write_dependence_p): Likewise.
11085 * builtins.c (get_builtin_sync_mem): Set it.
11087 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11089 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11092 2006-01-24 DJ Delorie <dj@redhat.com>
11094 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11095 for storing constants in single-bit bitfields.
11097 2006-01-25 Ben Elliston <bje@au.ibm.com>
11099 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11101 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11104 * tree-ssa-pre.c (phi_translate): Return NULL
11105 for AGGREGATE_TYPE's.
11107 2006-01-24 Zack Weinberg <zackw@panix.com>
11109 * genautomata.c (process_state_for_insn_equiv_partition):
11110 Use xcalloc for insn_arcs_array.
11111 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11112 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11114 2006-01-24 Richard Henderson <rth@redhat.com>
11116 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11117 update all callers.
11119 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11121 PR rtl-optimization/25890
11122 PR rtl-optimization/25905
11123 * combine.c (expand_compound_operation, expand_field_assignment):
11124 Fail if the bitfield's final position is out of bounds.
11126 2006-01-24 Ian Lance Taylor <ian@airs.com>
11128 PR middle-end/25930
11129 * cgraphunit.c (cgraph_output_in_order): Don't clear
11130 cgraph_asm_nodes until after asm strings have been output.
11132 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11134 * fix-header.c (read_scan_file): Add new parameter imultilib when
11135 calling register_include_chains.
11137 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11139 * omp-low.c: Update documentation.
11141 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11142 Daniel Berlin <dberlin@dberlin.org>
11146 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11147 return from the function.
11149 2006-01-22 Zack Weinberg <zackw@panix.com>
11151 * rtl.def (match_code): Add second argument.
11152 * genpreds.c (write_extract_subexp): New function.
11153 (write_match_code): Add path argument. Use write_extract_subexp.
11154 (write_predicate_expr): Pass path to write_match_code.
11155 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11156 not perform a mode test.
11157 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11158 a subexpression does not constrain the top-level code set.
11159 * read-rtl.c (read_rtx_variadic): New function.
11160 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11161 * doc/md.texi: Document new notation.
11162 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11163 (cmpsi_operand): ... here, using new notation.
11165 2006-01-22 Zack Weinberg <zackw@panix.com>
11167 * varray.c: Remove GENERATOR_FILE #ifdefs.
11169 2006-01-22 Zack Weinberg <zackw@panix.com>
11171 * genautomata.c (output_reserved_units_table): Emit nothing if
11172 description->query_units_num is zero. Remove extra blank line.
11173 (output_cpu_unit_reservation_p): Short circuit
11174 if description->query_units_num is zero.
11176 2006-01-22 Zack Weinberg <zackw@panix.com>
11178 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11179 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11180 nor any of the random handful of variables that used to be necessary
11181 when this program was linked with rtlanal.o. Prune set of forward
11182 function declarations.
11183 (struct attr_desc): Remove static_p field.
11184 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11185 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11186 (attr_string): Do not read the character one past the length of
11188 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11189 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11190 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11191 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11192 (make_automaton_attrs): New.
11193 (main): Do not call into genautomata. Call local gen_bypass
11194 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11195 Remove special case for insn_alts.
11196 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11197 varray.h (leftover from previous change). Prune set of forward
11198 function declarations. Remove state_alts fields from all
11199 structures. Remove state_alts_table from struct automaton.
11200 Make everything except main static. Do not maintain num_dfa_decls.
11201 Do not maintain state_alts fields of various structures.
11202 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11203 (add_arc): Remove state_alts argument. All callers updated.
11204 (output_reserved_units_table): Emit #ifdef here...
11205 (output_tables): ...not here. Don't generate state_alts tables.
11206 (expand_automata): Don't generate attributes.
11207 (write_automata): Don't generate state_alts functions.
11208 (main): New function.
11209 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11210 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11211 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11212 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11213 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11214 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11215 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11216 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11218 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11219 * genattrtab.h: Delete file.
11220 * Makefile.in (OBJS-common): Add insn-automata.o.
11221 (insn-automata.o): New rule.
11222 (simple_generated_c): Add insn-automata.c.
11223 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11224 (genprogmd): Add automata.
11225 (build/genattrtab): Needs no extra objects nor libraries.
11226 (build/genautomata): Needs build/vec.o and -lm.
11228 2006-01-22 Zack Weinberg <zackw@panix.com>
11230 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11231 (output_dfa_max_issue_rate, locked_states_num): Delete.
11232 (struct automaton): Add locked_states field.
11233 (output_dead_lock_vect): Save number of locked states in
11234 automaton->locked_states. If it is zero, don't print anything.
11235 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11236 (output_internal_dead_lock_func): Only test the dead_lock_vect
11237 for automata that have locked states.
11238 (output_statistics): Always print the number of locked states for
11239 each automaton. Calculate total number of locked states here.
11240 (write_automata): Don't call output_dfa_max_issue_rate.
11241 * genattrtab.c: Define length_unit_log as a const variable.
11242 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11243 max_insn_queue_index const.
11244 * final.c (length_unit_log): Declare const.
11245 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11247 2006-01-22 Zack Weinberg <zackw@panix.com>
11249 * genautomata.c: Include vec.h, not varray.h.
11250 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11251 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11252 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11253 VEC_* macros operating on appropriately typed vectors, or to
11254 malloced arrays when the size is known in advance. Const-ify
11255 many char* variables and function arguments. No functional changes.
11256 * Makefile.in (build/varray.o): Delete rule.
11257 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11258 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11260 2006-01-22 Zack Weinberg <zackw@panix.com>
11262 * gensupport.c: Define get_insn_name and record_insn_name here.
11263 (read_md_rtx): Call record_insn_name as appropriate.
11264 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11265 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11266 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11268 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11269 (BUILD_VARRAY): Delete.
11270 (genprognormal): Rename genprogmd. Fold in all programs from
11271 genprognoprint; also attrtab.
11272 (build/genattrtab): Just mention genautomata.o and varray.o.
11273 Reorganize a bit, add comments to make the categories clearer.
11275 2006-01-22 Zack Weinberg <zackw@panix.com>
11277 * genconditions.c (condition_table, add_condition): Delete.
11278 (write_conditions): Don't emit n_insn_conditions nor
11279 insn_elision_unavailable. Issue the gcc version #ifdef here,
11280 inside the table, with no #else clause ...
11281 (write_header): ...not here.
11282 (write_writer): New function.
11283 (main): Don't initialize condition_table. Use add_c_test.
11285 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11286 files on the command line.
11287 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11288 Return -1 if there is no entry in the table, don't abort.
11289 (add_c_test, traverse_c_tests): New functions.
11290 * gensupport.h (insn_elision_unavailable, insn_conditions)
11291 (n_insn_conditions): Delete declarations.
11292 (add_c_test, traverse_c_tests): Declare.
11293 * read-rtl.c: Include gensupport.h.
11294 (read_conditions): New function.
11295 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11296 (read_rtx_1): If we get EOF when we were looking for an initial
11297 open paren, return 0. Call read_conditions when appropriate.
11298 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11299 dummy-conditions.o. Eliminate references to insn-conditions.o,
11300 or change them to build/gencondmd.o, as appropriate. Remove
11301 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11302 from $(simple_generated_c). For all files remaining in those
11303 two lists, add insn-conditions.md to the generator command line.
11304 Give insn-constants.h/s-constants their own rules. Add rules
11305 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11306 (build/read-rtl.o): Depend on gensupport.h.
11307 (genprognormal): Include preds.
11308 (genprogearly): Rename genprognoprint; only difference is now that
11309 they don't link with $(BUILD_PRINT).
11310 * dummy-conditions.c: Delete.
11312 2006-01-22 Zack Weinberg <zackw@panix.com>
11314 * genextract.c: Don't include insn-config.h. Do include vec.h.
11315 Declare vectors of int, char, and locstr.
11316 (locstr): New typedef.
11317 (struct extraction): Make all array fields into bare pointers.
11318 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11319 (insn_code_number): Delete.
11320 (accum_extract): New struct.
11321 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11322 (gen_insn): Take insn_code_number as an argument. Use an
11323 accum_extract structure instead of loading data directly into
11324 a struct extraction, and having to know how big it might get.
11325 (walk_rtx): Operate entirely on an accum_extract structure.
11326 (print_path): Avoid unnecessary use of printf.
11327 (print_header): New function, split out of main. Distinguish
11328 more carefully between an unrecognizable insn and an insn that
11329 has the code number of a define_expand.
11330 (main): Pass insn_code_number to gen_insn. Call print_header
11331 only after parsing. Avoid unnecessary use of printf.
11332 * Makefile.in (build/vec.o): New rule.
11333 (build/genextract): Depend on build/vec.o.
11334 (build/genextract.o): Don't depend on insn-config.h.
11336 2006-01-22 Zack Weinberg <zackw@panix.com>
11338 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11339 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11340 practical. Eliminate per-generator-program link rules.
11342 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11344 PR middle-end/24437
11345 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11346 with a call expr to ...
11347 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11349 2006-01-23 Richard Guenther <rguenther@suse.de>
11351 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11352 before make_edge with conditional EDGE_TRUE_VALUE.
11354 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11355 Jan Hubicka <jh@suse.cz>
11356 Richard Guenther <rguenther@suse.de>
11358 PR rtl-optimization/25654
11359 * cfgexpand.c (aggregate_contains_union_type): New function.
11360 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11361 for structure variables that contain a union type.
11363 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11365 * gengtype.c (new_structure): Return the structure.
11366 (create_option): Add an extra "next" argument.
11367 (create_field): New function.
11368 (adjust_field_rtx_def): Use create_option and create_field.
11369 Remove a now-unnecessary call to find_structure.
11370 (adjust_field_tree_def): Likewise.
11371 (note_yacc_type): Remove an unnecessary call to find_structure.
11372 * gengtype.h (new_structure): Return the structure.
11373 (create_option): Add an extra argument.
11374 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11375 (option): Adjust calls to create_option.
11377 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11379 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11381 2006-01-22 Paul Brook <paul@codesourcery.com>
11382 Peter Barada <peter@the-baradas.com>
11384 * config/m68k/m68k.md: Add Coldfire FPU support.
11385 Define FP mode macro and associated attributes.
11386 Use it for float mode patterns.
11387 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11388 (LIBCALL_VALUE): Use m68k_libcall_value.
11389 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11390 (m68k_function_value): Ditto.
11391 (emit_move_sequence): Ditto.
11392 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11393 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11394 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11395 (MULTILIB_EXCEPTIONS): Ditto.
11396 * config/m68k/m68k.opt: Add mcfv4e.
11397 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11398 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11399 (m68k_output_function_prologue): Save ColdFire FPU registers.
11400 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11401 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11402 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11403 ColdFire FPU registers.
11404 (m68k_libcall_value, m68k_function_value): New functions.
11405 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11406 (LIBCALL_VALUE): Use m68k_libcall_value.
11407 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11408 (MASK_COLDFIRE): Add MASK_CFV4E.
11409 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11410 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11411 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11412 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11413 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11414 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11415 * doc/invoke.tex: Document -mcfv4e on m68k.
11417 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11419 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11422 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11425 * c-opts.c (c_common_handle_option): Don't include
11426 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11427 * doc/invoke.texi (C++ Dialect Options): Document that
11428 -Wnon-virtual-dtor is no longer included in -Wall.
11430 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11432 * gcov.c (print_version), gcov-dump.c (print_version),
11433 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11436 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11438 * df-scan.c (problem_SCAN): Added NULL reset function.
11439 (df_scan_reset_blocks): Added code to call reset block function
11440 (df_bb_refs_delete) Fixed comment.
11441 (df_insn_refs_delete): Made tolerant of deleting non existent info
11442 for dataflow problems that need to be reset.
11443 * df-core.c (df_set_blocks): Ditto.
11444 * df.h (struct df_problem): Added reset_fun.
11445 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11446 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11447 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11448 functions to clear out all references to def-use or use-def chains.
11450 2006-01-21 Ben Elliston <bje@au.ibm.com>
11452 * varasm.c (assemble_real): Initialise data array.
11454 2006-01-20 Paul Brook <paul@codesourcery.com>
11456 Merge from csl-arm-branch.
11457 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11458 * config/arm/arm.md (movdi): Force operands[1] to a register
11459 if we have a non-register source.
11460 (*arm_movdi, *movdf_soft_insn): Require that one of the
11461 operands be a register.
11462 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11463 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11465 2006-01-20 DJ Delorie <dj@redhat.com>
11467 * varasm.c (initializer_constant_valid_p): Allow pointers
11468 initialized from integer constants of lesser precision.
11469 (output_constant): Allow non-int-sized pointer modes to be
11470 initialized from integer constants.
11472 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11475 * cppdefault.h (struct default_include): Add multilib flag.
11476 * cppdefault.c (cpp_include_defaults): Set it.
11477 * c.opt (-imultilib): New option.
11478 * c-opts.c (imultilib): New.
11479 (c_common_handle_option): Handle -imultilib.
11480 (c_common_post_options): Likewise.
11481 * c-incpath.c (add_standard_paths, register_include_chains):
11483 * c-incpath.h (register_include_chains): Add extra parameter.
11484 * gcc.c (do_spec_1): Generate -imultilib option.
11485 (The Specs Language): Update %I description.
11486 (process_command): Update copyright notice.
11487 * doc/cppopts.texi (-imultilib): Document.
11488 * doc/invoke.texi (-imultilib): Include in option summary.
11489 (%I): Update specs documentation.
11491 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11493 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11495 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11497 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11500 2006-01-20 Richard Guenther <rguenther@suse.de>
11501 Steven Bosscher <stevenb.gcc@gmail.com>
11503 PR rtl-optimization/24626
11504 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11505 EDGE_TRUE_VALUE if in RTL mode.
11508 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11509 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11511 2006-01-20 Dirk Mueller <dmueller@suse.com>
11514 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11515 instead of a special NOP marker.
11516 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11517 NOP marker handling.
11518 * c-common.h (empty_body_warning): Add forward declaration.
11519 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11520 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11522 2006-01-20 Paul Brook <paul@codesourcery.com>
11524 * Makefile.in (lang_checks): Keep going if mkdir fails.
11526 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11528 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11529 be able to clean out basic block when not necessary.
11530 (df_scan_free): Fixed to properly delete information if df is
11531 unused before calling df_finish.
11532 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11533 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11535 (df_bb_refs_delete): New function.
11536 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11537 * df-core.c (df_set_blocks): Added code to properly clean out
11538 unused blocks if they are not part of the blocks to consider.
11539 Added additional null check.
11540 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11541 be able to clean out basic block when not necessary
11542 * df.h (df_free_bb_function): Ditto.
11543 (df_bb_refs_delete): New function.
11544 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11545 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11546 basic block parameter to be able to clean out basic block when not
11548 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11549 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11550 Fixed to properly delete information if df is unused before
11553 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11555 PR rtl-optimization/25799
11556 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11557 Corrected confluence operator to remove bits from op2 before oring
11558 with op1 rather than removing bits from op1.
11559 (df_ru_transfer_function): Corrected test on wrong bitmap which
11560 caused infinite loop. Both of these problems were introduced in
11561 the dataflow rewrite.
11563 2006-01-19 DJ Delorie <dj@redhat.com>
11565 * reload1.c (find_reload_regs): Note the details of reload
11566 failures in the dump file.
11567 (spill_failure): Likewise.
11569 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11571 * loop-iv.c: Include df.h and hashtab.h.
11572 (enum iv_grd_result): New enum.
11573 (DF_REF_IV, DF_REF_IV_SET): New macros.
11574 (struct biv_entry): New.
11575 (df, bivs): New global variables.
11576 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11577 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11579 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11580 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11581 analyzed_for_bivness_p, record_biv): New functions.
11582 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11583 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11584 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11586 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11588 (iv_number_of_iterations): Use new interface to iv analysis.
11589 * loop-unroll.c: Do not include varray.h.
11590 (analyze_iv_to_split_insn): Use new interface to iv
11592 * loop-unswitch.c (may_unswitch_on): Ditto.
11593 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11595 (df_bb_modify): Realloc tables to the new index.
11596 (df_find_use): New function.
11597 * df.h (df_find_use): Declare.
11598 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11600 * cfgloop.h (struct rtx_iv): Remove analysed field.
11601 (iv_get_reaching_def): Removed.
11602 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11603 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11604 (loop-iv.o): Add df.h and hashtab.h dependency.
11605 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11607 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11610 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11612 (__floatundisf, __floatundidf): Likewise.
11613 * libgcc2.h (IS_IBM_EXTENDED): Define.
11615 2006-01-19 DJ Delorie <dj@redhat.com>
11617 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11619 2006-01-19 Paul Brook <paul@codesourcery.com>
11621 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11622 as nothrow when unwinding tables are disabled.
11624 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11627 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11628 of bit-field" when in system header.
11630 2006-01-19 DJ Delorie <dj@redhat.com>
11632 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11633 the 16 bit shift limit of the m16c.
11635 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11638 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11639 * config/i386/i386.c (output_set_got): Output the label if we have one
11640 for the TARGET_DEEP_BRANCH_PREDICTION case.
11642 2006-01-19 Jan Hubicka <jh@suse.cz>
11643 H.J. Lu <hongjiu.lu@intel.com>
11644 Evandro Menezes <evandro.menezes@amd.com>
11646 * invoke.texi (generic): Document
11648 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11649 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11650 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11651 (x86_use_incdec, x86_pad_returns): New variables
11652 (TARGET_CPU_DEFAULT_generic): New constant
11653 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11654 (enum processor_type): Add generic32 and generic64.
11655 * i386.md (cpu attribute): Add generic32/generic64
11656 (movhi splitter): Behave sanely when both partial_reg_dependency and
11657 partial_reg_stall are set.
11658 (K8 splitters): Enable for generic as well.
11659 * predicates.md (incdec_operand): Use TARGET_INCDEC
11660 (aligned_operand): Avoid memory mismatch stalls.
11661 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11662 * ppro.md: Enable for generic32
11663 * i386.c (generic64_cost, generic32_cost): New.
11664 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11665 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11666 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11667 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11668 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11669 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11670 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11671 x86_accumulate_outgoing_args, x86_prologue_using_move,
11672 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11673 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11674 Enable for generic.
11675 (x86_use_incdec, x86_pad_returns): New.
11676 (override_options): Add generic32 and generic64, translate "generic"
11677 to generic32/generic64 and "i686" to "generic32", refuse
11678 "generic32"/"generic64" as arch target.
11679 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11680 (ix86_reorg): Honor PAD_RETURNS.
11682 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11684 * tree-pretty-print.c (dump_generic_node): Handle
11685 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11686 * cgraph.c (cgraph_expand_queue): Rename from
11687 cgraph_analyze_queue. Update all users.
11688 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11689 cgraph_expand_queue.
11690 (cgraph_expand_all_functions): Likewise.
11691 (cgraph_finalize_pending_functions): Remove. Update callers.
11693 * tree.h (OMP_DIRECTIVE_P): Define.
11694 (OMP_PARALLEL_FN): Define.
11695 (OMP_PARALLEL_DATA_ARG): Define.
11696 (OMP_SECTIONS_SECTIONS): Define.
11697 * tree-pass.h (pass_expand_omp): Declare.
11698 * omp-low.c (struct omp_region): Declare.
11699 (struct omp_context): Remove fields 'parallel_type',
11700 'parallel_start_ix' and 'parallel_start_additional_args'.
11702 (struct omp_for_data): Rename from struct expand_omp_for_data.
11703 (omp_regions): New static variable.
11704 (root_omp_region): New static variable.
11705 (find_omp_clause): Make static.
11706 (is_in_combined_parallel_ctx): Remove.
11707 (is_combined_parallel): New.
11708 (extract_omp_for_data): Move earlier in the file.
11709 (workshare_safe_to_combine_p): New.
11710 (get_ws_args_for): New.
11711 (determine_parallel_type): Move earlier in the file.
11712 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11714 (omp_copy_decl): Likewise.
11715 (create_omp_child_function): Likewise.
11716 (lookup_omp_region): New.
11717 (dump_omp_region): New.
11718 (debug_omp_region): New.
11719 (debug_all_omp_regions): New.
11720 (new_omp_region): New.
11721 (scan_omp_parallel): If parallel_nesting_level > 1, the
11722 directive is nested within another parallel directive.
11723 Set OMP_PARALLEL_FN.
11724 (scan_omp_for): Do not try to handle combined parallel+for
11726 Remove FIXME comment.
11727 (scan_omp_nested): Remove.
11728 (scan_omp_1): Do not call scan_omp_nested when
11729 parallel_nesting_level is > 1.
11730 Do not change the DECL_CONTEXT of local variables found.
11731 (lookup_decl_in_outer_ctx): New.
11732 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11733 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11734 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11735 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11736 If CTX is nested, lookup VAR in the outer context when
11737 building copy assignment.
11738 (lower_send_clauses): Rename from expand_send_clauses.
11739 If CTX is nested, lookup VAR in the outer context when
11740 building copy assignments.
11741 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11742 If CTX is nested, lookup VAR in the outer context when
11743 building copy assignments.
11744 (expand_parallel_call): Rename from build_parallel_call.
11745 Handle combined parallel+workshare cases.
11746 Re-implement to emit code into the CFG.
11748 (expand_omp_parallel): Re-implement to emit code into the CFG.
11749 Call move_sese_region_to_fn to outline the sub-graph
11750 containing the parallel region.
11751 (expand_omp_for_1): Remove.
11752 (expand_omp_for_generic): Re-implement to emit code into the
11754 (expand_omp_for_static_nochunk): Likewise.
11755 (expand_omp_for_static_chunk): Likewise.
11756 (expand_omp_for): Likewise.
11757 (expand_omp_sections): Likewise.
11758 (remove_exit_barriers): New.
11759 (expand_omp_synch): New.
11761 (build_omp_regions_1): New.
11762 (build_omp_regions): New.
11763 (execute_expand_omp): New.
11764 (gate_expand_omp): New.
11765 (pass_expand_omp): Define.
11766 (lower_omp_sections): Rename from expand_omp_sections.
11767 Set OMP_SECTIONS_SECTIONS.
11768 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11769 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11770 (lower_omp_single): Rename from expand_omp_simple.
11771 (lower_omp_master): Rename from expand_omp_master.
11772 (lower_omp_ordered): Rename from expand_omp_ordered.
11773 (lower_omp_critical): Rename from expand_omp_critical.
11774 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11775 (lower_omp_for): Re-implement.
11776 (lower_omp_parallel): Re-implement.
11777 (lower_regimplify): Rename from expand_regimplify.
11778 (lower_omp_1): Rename from expand_omp_1.
11779 If there are syntax errors in the program, replace every
11780 OpenMP directive with NOP.
11781 Call lower_omp_* instead of expand_omp_*.
11782 (lower_omp): Rename from expand_omp.
11784 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11785 * tree-gimple.h (enum omp_parallel_type): Remove.
11786 (gimple_boolify): Declare extern.
11787 (find_omp_clause, determine_parallel_type): Remove.
11789 * gimple-low.c (lower_omp_directive): New.
11790 (lower_stmt): Call it.
11791 (record_vars_into): Move from ...
11792 (record_vars): ... here.
11793 Call record_vars_into with current_function_decl.
11795 * gimplify.c (struct gimplify_ctx): Remove fields
11796 combined_pre_p and combined_ctxp. Update users.
11797 (get_formal_tmp_var): Add documentation.
11798 (gimple_boolify): Make extern.
11799 (gimplify_expr_in_ctx): Remove. Update callers.
11800 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11801 will always be a BIND_EXPR.
11802 (gimplify_expr): Handle OMP_RETURN_EXPR.
11803 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11804 (OMP_PARALLEL): Add 3 operands.
11805 (OMP_SECTIONS): Add 1 operand.
11806 (OMP_RETURN_EXPR): Define.
11808 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11809 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11810 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11811 creating a circular free list.
11812 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11814 * tree-flow.h (move_sese_region_to_fn): Declare.
11815 (record_vars_into): Declare.
11816 * tree-cfg.c (make_omp_sections_edges): New.
11817 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11818 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11819 OMP_SECTIONS and OMP_SECTION.
11820 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11821 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11822 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11823 (gather_blocks_in_sese_region): New.
11824 (struct move_stmt_d): Declare.
11825 (move_stmt_r): New.
11826 (move_block_to_fn): New.
11827 (move_sese_region_to_fn): New.
11829 * passes.c (init_optimization_passes): Schedule
11830 pass_expand_omp after pass_init_datastructures.
11832 * tree-ssa-operands.c (get_expr_operands): Handle
11833 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11834 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11836 2006-01-19 Jeff Law <law@redhat.com>
11838 * tree-vrp.c (extract_range_from_assert): Refine the result range
11839 if the variable referenced by the ASSERT_EXPR has a range and
11840 either the tentative result range or the previous range is a
11843 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11845 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11847 2006-01-19 Jan Hubicka <jh@suse.cz>
11849 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11851 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11853 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11854 (expand_compound_operation, expand_field_assignment): Fail if the
11855 bit lengths of an extract operation are out of range.
11856 (make_extraction): Compute wanted_inner_mode based on the position
11857 and length of the extraction. Make it extraction_mode for non-constant
11858 positions, and do not modify offset in that case. When generating a
11859 new MEM, use a mode that can hold the extraction while keeping correct
11860 alignment. Remove code that supported MEMs wrapped by USEs.
11861 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11863 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11865 * config/s390/s390.md ("Y", "y"): New mode attribute.
11866 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11867 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11868 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11869 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11870 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11871 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11872 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11873 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11874 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11875 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11876 "addsi3", "subsi3"): Insn patterns removed.
11877 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11878 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11879 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11880 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11881 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11882 "*sub<mode>3_cconly2"): New insn patterns.
11883 ("addsi3", "subsi3"): New expanders.
11885 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11887 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11888 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11889 existing STMT_VINFO_VECTYPE if available.
11890 (vect_mark_relevant): Add special handling for stmts that are
11891 marked as STMT_VINFO_IN_PATTERN_P.
11892 (vect_analyze_loop): Call vect_pattern_recog.
11893 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11894 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11896 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11897 (vect_recog_func_ptr): New function-pointer type.
11898 * tree-vect-patterns.c: New file.
11899 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11900 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11901 (vect_pattern_recog_1): New functions.
11902 (vect_pattern_recog_funcs): New array of function pointers.
11904 * tree-vectorizer.h (ternary_op): New enum value.
11905 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11906 declaration. Revised documentation. Removed redundant dump prints.
11907 Removed redundant argument. Added support for reduction patterns.
11908 (vectorizable_reduction): Added support for reduction patterns.
11909 (vect_transform_stmt): Added support for patterns.
11911 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11912 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11913 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11914 (expand_widen_pattern_expr): New function.
11915 (init_optabs): Initialize new optabs udot_prod_optab,
11917 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11918 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11919 (expand_widen_pattern_expr): New function declaration.
11920 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11922 * tree-inline.c (estimate_num_insns_1): Added cases for new
11923 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11924 * tree-pretty-print.c (dump_generic_node): Likewise.
11925 (op_prio): Likewise.
11926 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11927 * tree-ssa-operands.c (get_expr_operands): Added case for
11929 * tree-vect-patterns.c (widened_name_p): New function.
11930 (vect_recog_dot_prod_pattern): Added function implementation.
11931 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11932 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11933 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11934 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11936 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11937 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11938 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11939 (init_optabs): Initialize new optabs widen_ssum_optab,
11941 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11942 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11943 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11944 use instead of type of def.
11945 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11946 function implementation.
11947 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11948 widen_ssumv8hi): New.
11950 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11953 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11956 * c-decl.c (add_flexible_array_elts_to_size): New function.
11957 (finish_decl): Use it.
11959 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11961 * diagnostic.h: Include options.h.
11962 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11963 dependancies for diagnostic.h.
11964 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11966 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11968 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11969 (ssa_ro_call_cache_valid): Ditto.
11970 * tree-ssa-alias.c (sort_tags_by_id): New function.
11971 (init_transitive_clobber_worklist): Ditto.
11972 (add_to_worklist): Ditto.
11973 (mark_aliases_call_clobbered): Ditto.
11974 (compute_tag_properties): Ditto.
11975 (set_initial_properties): Ditto.
11976 (compute_call_clobbered): Ditto.
11977 (compute_may_aliases): Call compute_call_clobbered and grouping.
11978 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11979 (compute_flow_insensitive_aliasing): Grouping now happens in our
11981 (setup_pointers_and_addressables): Remove clobbering related code.
11982 (add_may_alias): Ditto.
11983 (replace_may_alias): Ditto.
11984 (get_nmt_for): Ditto.
11985 (create_global_var):
11986 (is_escape_site): Return an escape_type enumeration.
11987 * tree-flow-inline.h (is_call_clobbered): Global var does not
11988 imply call clobbered.
11989 (mark_call_clobbered): Take a reason for marking this. Remove
11990 marking of globalness, and cache invalidation.
11991 (clear_call_clobbered): Remove cache invalidation code.
11992 * tree-dfa.c (dump_variable): If details is on, dump the reason
11994 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11996 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11997 (struct var_ann_d): Ditto.
11998 (enum escape_type): New.
11999 (mark_call_clobbered): Adjust prototype.
12000 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12001 are never call clobbered.
12002 Record reasons for escaping.
12003 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12004 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12005 (ssa_ro_call_cache_valid): Ditto.
12006 (clobbered_v_may_defs): Ditto.
12007 (clobbered_vuses): Ditto.
12008 (ro_call_vuses): Ditto.
12009 (clobber_stats): New.
12010 (init_ssa_operands): Zero out clobber stats.
12011 (fini_ssa_operands): Print out clobber stats.
12012 (get_call_expr_operands): Pass callee fndecl to
12013 add_call_read_ops).
12014 (add_call_clobber_ops): Remove use of cache.
12015 Add use of PURE_CONST information.
12016 (add_call_read_ops): Remove use of cache.
12017 Add use of static not_read information.
12019 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12021 Introduce TLS descriptors for i386 and x86_64.
12022 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12023 (TARGET_ANY_GNU_TLS): New macro.
12024 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12025 (struct machine_function): Add tls_descriptor_call_expanded_p.
12026 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12027 (ix86_current_function_calls_tls_descriptor): Likewise.
12028 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12029 (override_options): Introduce gnu2 tls dialect.
12030 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12032 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12034 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12035 (ix86_init_machine_status): Initialize new field.
12036 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12037 (ix86_tls_module_base): New.
12038 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12039 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12040 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12041 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12042 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12043 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12044 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12045 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12046 * config/i386/predicates.md (tls_modbase_operand): New.
12047 (tp_or_register_operand): New.
12049 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12051 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12052 (look_for_address_of): Ditto.
12053 (ipa_init): Walk the function decls.
12054 (static_execute): Don't set readonly on FUNCTION_DECL's.
12056 2006-01-18 Roger Sayle <roger@eyesopen.com>
12058 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12059 for shifts where the source and destination registers are different.
12061 2006-01-18 Paul Brook <paul@codesourcery.com>
12063 Merge from csl-arm-branch.
12064 2005-03-14 Julian Brown <julian@codesourcery.com>
12065 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12066 (aeabi_llsl): Likewise.
12067 (ashrdi3): Likewise.
12068 (aeabi_lasr): Likewise.
12069 (lshrdi3): Likewise.
12070 (aeabi_llsr): Likewise.
12071 2005-03-10 Julian Brown <julian@codesourcery.com>
12072 * config.gcc: Disable shared libgcc for SymbianOS.
12073 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12075 2006-01-18 DJ Delorie <dj@redhat.com>
12077 * c-pragma.c (handle_pragma_diagnostic): New.
12078 (init_pragma): Register it.
12079 * doc/extend.texi: Document it.
12081 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12082 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12083 (diagnostic_context): Add classify_diagnostic[].
12084 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12085 as errors if they're overridden to DK_WARNING.
12086 (diagnostic_initialize): Initialize classify_diagnostic[].
12087 (diagnostic_set_kind_override): New.
12088 (diagnostic_report_diagnostic): Check for kind changes.
12089 * opts.c (common_handle_option): Take lang_mask. Update callers.
12090 Handle OPT_Werror_.
12091 * common.opt (Werror=): New.
12092 * doc/invoke.texi: Document -Werror=*
12094 2006-01-18 Jeff Law <law@redhat.com>
12096 * tree-vrp.c (test_for_singularity): Correct test for new
12097 min limit. Use operand_equal_p rather than pointer equality
12098 for testing if new min/max values are equal.
12100 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12101 using range information until after propagation and folding.
12103 2006-01-18 Richard Henderson <rth@redhat.com>
12104 Aldy Hernandez <aldyh@redhat.com>
12105 Jakub Jelinek <jakub@redhat.com>
12106 Diego Novillo <dnovillo@redhat.com>
12108 * omp-low.c: New file.
12109 * c-omp.c: New file.
12111 2006-01-18 Richard Henderson <rth@redhat.com>
12112 Jakub Jelinek <jakub@redhat.com>
12113 Diego Novillo <dnovillo@redhat.com>
12115 * doc/invoke.texi: Document -fopenmp.
12116 * tree-dump.h (debug_function): Declare.
12117 * hooks.c (hook_bool_tree_bool_false): New function.
12118 (hook_tree_tree_null): Remove.
12119 (hook_tree_tree_tree_null): New.
12120 * hooks.h: Update to match.
12121 * tree-pretty-print.c (debug_tree_chain): New.
12122 (print_generic_expr): Handle TDF_CHAIN.
12123 (dump_generic_node): Handle BLOCK.
12124 Do not abort with incomplete SWITCH_EXPRs.
12125 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12126 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12127 print space after directive name.
12128 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12129 Handle OMP_MASTER and OMP_ORDERED.
12130 Handle printing of OMP_BODY just in one place, goto
12131 dump_omp_body in the rest of OMP_* nodes that have
12133 Don't handle clause nodes here. Update omp statements to
12134 use dump_omp_clauses.
12135 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12136 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12137 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12138 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12139 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12140 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12141 Adjust output for GOMP_PARALLEL.
12142 (dump_omp_clauses): New.
12143 (print_declaration): Dump DECL_VALUE_EXPR.
12144 (op_symbol_1): Split out of op_symbol.
12145 (dumping_stmts): Remove. Update all users.
12146 * cgraph.c (cgraph_analyze_queue): New.
12147 (cgraph_add_new_function): New.
12148 * cgraph.h (cgraph_analyze_queue): Declare.
12149 (cgraph_add_new_function): Declare.
12150 (cgraph_lower_function): Remove.
12151 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12152 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12153 and TYPE_P nodes in its default clause.
12154 (empty_body_p): New.
12155 (tree_range_check_failed): New.
12156 (build5_stat): New.
12157 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12158 OMP_CLAUSE_REDUCTION_MERGE,
12159 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12160 OMP_CLAUSE_PRIVATE_DEBUG,
12161 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12162 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12163 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12164 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12165 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12166 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12167 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12168 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12169 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12170 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12171 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12172 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12173 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12174 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12175 (TREE_RANGE_CHECK): New.
12176 (empty_body_p): Declare.
12177 (enum omp_clause_default_kind): New.
12178 (build_string_literal): Declare.
12179 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12180 (build5_stat, build5): Declare.
12181 * tree-pass.h (TDF_CHAIN): Define.
12182 * tree-pass.h (PROP_gimple_lomp): Define.
12183 (pass_lower_omp): Declare.
12184 * diagnostic.h (debug_tree_chain): Declare.
12185 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12187 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12188 * builtins.c (build_string_literal): Make extern.
12189 * gcc.c (include_spec_function): New.
12190 (static_spec_functions): Add it.
12191 (main): Move load of libgomp.spec ...
12192 (LINK_COMMAND_SPEC): ... here.
12193 (link_gomp_spec): New.
12194 (static_specs): Include it.
12195 (LINK_COMMAND_SPEC): Add link_gomp.
12196 (GOMP_SELF_SPECS): New.
12197 (driver_self_specs): Include it.
12198 (switch_matches): Don't mark inline.
12199 (main): Load libgomp.spec.
12200 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12201 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12202 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12203 * tree-gimple.h (enum omp_parallel): Declare.
12204 (determine_parallel_type): Declare.
12205 (omp_firstprivatize_variable): Declare.
12206 (omp_reduction_init): Declare.
12207 (diagnose_omp_structured_block_errors): Declare.
12208 (struct walk_stmt_info): Add want_return_expr.
12209 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12210 (find_omp_clause): Declare.
12211 (insert_field_into_struct): Declare.
12212 (struct walk_stmt_info): Move from tree-nested.c
12213 (walk_stmts): Declare.
12214 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12216 * cgraphunit.c (cgraph_lower_function): Make static.
12217 (cgraph_finalize_pending_functions): New.
12218 (cgraph_finalize_function): Call it.
12219 (cgraph_finalize_compilation_unit): Likewise.
12220 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12221 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12222 (BT_FN_UINT_UINT): New.
12223 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12224 DEF_FUNCTION_TYPE_VAR_4): Document.
12225 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12226 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12227 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12228 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12229 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12230 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12231 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12232 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12233 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12234 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12235 into separate files.
12236 (DEF_GOMP_BUILTIN): New.
12237 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12238 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12239 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12240 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12241 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12242 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12243 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12244 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12245 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12246 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12247 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12248 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12249 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12250 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12251 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12252 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12253 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12254 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12255 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12256 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12257 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12258 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12259 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12260 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12261 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12262 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12263 * sync-builtins.def: New file, moved from builtins.def.
12264 * omp-builtins.def: New file, moved from builtins.def.
12265 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12266 * gimple-low.c (lower_function_body): Clear data.
12267 (lower_stmt): Do not handle COMPOUND_EXPR.
12268 Remove call to print_node_brief.
12269 * c-tree.h (c_finish_omp_clauses): New prototype.
12270 (C_DECL_THREADPRIVATE_P): Define.
12271 (lookup_name_no_remap, c_omp_remap_private): Remove
12272 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12273 (check_for_loop_decls): Update decl.
12274 (lookup_name_no_remap, c_omp_remap_private): Declare.
12275 (build_indirect_ref, build_modify_expr, pushdecl,
12276 pushdecl_top_level): Move to c-common.h.
12277 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12278 before the switch, but just in the 2 places that need it.
12279 * c-decl.c (diagnose_mismatched_decls): Do not check for
12280 mismatched thread-local attributes when OLDDECL is marked
12281 threadprivate and NEWDECL has no thread-local attributes.
12282 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12283 (c_gimple_diagnostics_recursively): Rename from
12284 c_warn_unused_result_recursively. Invoke
12285 diagnose_omp_structured_block_errors.
12286 (check_for_loop_decls): Return a singular decl found.
12287 * langhooks.c (lhd_omp_predetermined_sharing): Return
12288 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12289 (lhd_omp_firstprivatize_type_sizes): New.
12290 (lhd_omp_assignment): New.
12291 (lhd_omp_predetermined_sharing): New.
12292 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12293 (struct lang_hooks_for_types): Add
12294 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12295 omp_predetermined_sharing, omp_disregard_value_expr,
12296 omp_private_debug_clause, omp_clause_default_ctor,
12297 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12298 (c_finish_omp_clauses): New.
12299 (c_finish_bc_stmt): Diagnose break within omp for.
12300 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12301 (build_unary_op): Return error_mark after reporting
12303 (build_modify_expr): Likewise.
12304 * gimplify.c: Include optabs.h and pointer-set.h.
12305 (enum gimplify_omp_var_data): Declare.
12306 (struct gimplify_omp_ctx): Declare.
12307 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12309 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12310 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12311 (splay_tree_compare_decl_uid): New.
12312 (new_omp_context): New.
12313 (delete_omp_context): New.
12314 (gimple_add_tmp_var): Call omp_add_variable.
12315 (gimplify_bind_expr): Likewise.
12316 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12317 true, disregard DECL_VALUE_EXPR on the decl if any.
12318 (gimplify_expr_in_ctx): New.
12319 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12320 omp_add_variable, omp_notice_variable, omp_is_private
12321 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12322 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12323 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12324 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12325 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12326 gimplify_omp_atomic): New.
12327 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12328 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12329 OMP_CRITICAL and OMP_ATOMIC.
12330 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12331 * c-pragma.h (enum pragma_kind): Add
12332 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12333 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12334 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12335 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12336 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12337 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12338 PRAGMA_OMP_THREADPRIVATE.
12339 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12340 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12341 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12342 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12343 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12344 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12345 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12346 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12347 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12348 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12349 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12350 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12351 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12353 (struct nesting_info): Add field_map,
12354 suppress_expansion, debug_var_chain.
12355 (create_nesting_tree): Initialize them.
12356 (lookup_field_for_decl): Use field_map.
12357 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12358 (convert_local_omp_clauses): New.
12359 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12360 (walk_body): Split out of walk_function.
12361 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12362 (convert_nonlocal_reference): Handle omp statements.
12363 (convert_local_reference): Likewise.
12364 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12365 (unnest_nesting_tree): New.
12366 (lower_nested_functions): Call it.
12367 (insert_field_into_struct): Make extern.
12368 (struct walk_stmt_info): Move to tree-gimple.h.
12369 (walk_stmts): Make extern.
12370 * omp-builtins.def: New file.
12371 * tree-iterator.c (expr_only): Clarify comment.
12372 * c-common.h (pushdecl_top_level, pushdecl,
12373 build_modify_expr, build_indirect_ref,
12374 c_finish_omp_master, c_finish_omp_critical,
12375 c_finish_omp_ordered, c_finish_omp_barrier,
12376 c_finish_omp_atomic, c_finish_omp_flush,
12377 c_finish_omp_for, c_split_parallel_clauses,
12378 omp_clause_default_kind, c_omp_sharing_predetermined,
12379 c_omp_remap_decl): Declare.
12380 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12381 (OBJS-common): Add omp-low.o.
12382 (c-omp.o, omp-low.o): Add.
12383 (gimplify.o): Add dependency on $(OPTABS_H).
12384 (GTFILES): Add omp-low.c.
12385 (gt-stringpool.h): Add.
12386 * tree-cfg.c (set_bb_for_stmt): Do not update the
12387 block-to-labels map if we are currently expanding to RTL.
12388 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12390 Handle IDENTIFIER_NODE.
12391 (tree_verify_flow_info): Do not ICE when emitting error
12392 messages about invalid labels.
12393 (dump_function_to_file): Reset CFUN before emitting the body
12395 (debug_function): New.
12396 * passes.c (init_optimization_passes): Schedule
12398 * langhooks-def.h (lhd_omp_predetermined_sharing,
12399 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12401 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12402 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12403 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12404 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12405 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12406 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12407 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12408 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12409 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12410 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12411 (LANG_HOOK_DECLS): Use them.
12413 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12414 Richard Henderson <rth@redhat.com>
12415 Jakub Jelinek <jakub@redhat.com>
12416 Diego Novillo <dnovillo@redhat.com>
12418 * c-parser.c (pragma_omp_clause): Define.
12419 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12420 (c_parser_compound_statement): Likewise.
12421 (c_parser_statement): Likewise.
12422 (c_parser_pragma): Handle omp pragmas.
12423 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12424 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12425 (c_parser_omp_clause_name, check_no_duplicate_clause,
12426 c_parser_omp_variable_list,
12427 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12428 c_parser_omp_clause_copyprivate,
12429 c_parser_omp_clause_default,
12430 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12431 c_parser_omp_clause_lastprivate,
12432 c_parser_omp_clause_nowait,
12433 c_parser_omp_clause_num_threads,
12434 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12435 c_parser_omp_clause_reduction,
12436 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12437 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12438 c_parser_omp_atomic, c_parser_omp_barrier,
12439 c_parser_omp_critical, c_parser_omp_flush,
12440 c_parser_omp_for_loop, c_parser_omp_for,
12441 c_parser_omp_master, c_parser_omp_ordered,
12442 c_parser_omp_sections_scope, c_parser_omp_sections,
12443 c_parser_omp_parallel, c_parser_omp_single,
12444 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12445 * c-pragma.c (init_pragma): Do omp pragma registration here.
12446 * c.opt (fopenmp): New flag.
12448 2006-01-18 Eric Christopher <echristo@apple.com>
12450 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12451 * config/darwin.h (GOMP_SELF_SPECS): Define.
12453 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12455 * rtl.h: Remove the prototype for reg_alloc.
12457 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12460 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12461 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12462 sjlj and dwarf2 exception handling.
12463 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12464 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12465 * pa/pa.c (function_value): Treat complex and vector types as
12467 (function_arg): Likewise. Only pass scalar floats in the floating
12468 point argument registers.
12469 * pa/t-slibgcc-dwarf-ver: New file.
12470 * pa/t-slibgcc-sjlj-ver: New file.
12471 * pa/t-slibgcc-elf-ver: Delete file.
12473 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12475 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12476 unlikely_test_section_p test.
12478 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12480 * mode-switching.c (optimize_mode_switching): Make it static.
12481 * basic-block.h: Remove the prototype for
12482 optimize_mode_switching.
12484 * modulo-sched.c (sms_schedule): Make it static.
12485 * rtl.h: Remove the prototype for sms_schedule.
12487 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12488 * rtl.h: Remove the prototype for gcse_after_reload_main.
12490 * reg-stack.c (reg_to_stack): Make it static.
12491 * rtl.h: Remove the prototype for reg_to_stack.
12493 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12495 * rtl.h: Remove the prototypes for regrename_optimize and
12496 copyprop_hardreg_forward.
12498 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12500 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12501 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12502 Test against the appropriate null constant for the mode.
12503 If 'fixup_overlap' is true, swap the operands if they overlap.
12504 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12505 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12506 alpha_split_tmode_pair and adjust for above change.
12507 * config/alpha/alpha.md (movtf_internal): Adjust call to
12508 alpha_split_tfmode_pair and rely on it to swap the operands.
12509 (movti_internal): New insn and post-reload splitter.
12510 (movti): New expander.
12512 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12514 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12517 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12519 * rtlanal.c (global_reg_mentioned_p_1,
12520 global_reg_mentioned_p): Remove.
12521 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12523 * flow.c (initialize_uninitialized_subregs): Make it static.
12524 * rtl.h: Remove the prototype for
12525 initialize_uninitialized_subregs.
12527 * function.c (instantiate_virtual_regs): Make it static.
12528 * function.h: Remove the prototype for
12529 instantiate_virtual_regs.
12531 * regmove.c (regmove_optimize, combine_stack_adjustments):
12533 * rtl.h: Remove the prototypes for regmove_optimize and
12534 combine_stack_adjustments.
12536 2006-01-17 Roger Sayle <roger@eyesopen.com>
12538 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12539 (size_cost): Encode costs in bytes so that a reg-reg addition is
12540 equivalent to COSTS_N_INSNS(1).
12541 (override_options): Use the size_cost.branch_cost as the default
12542 ix86_branch_cost when optimizing for size.
12544 2006-01-18 Ben Elliston <bje@au.ibm.com>
12546 * Makefile.in (D32PBIT_FUNCS): New.
12547 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12548 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12549 D64PBIT_FUNCS and D128PBIT_FUNCS.
12550 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12551 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12553 (decnumber_dep): Define.
12554 * doc/libgcc.texi (Decimal float library routines): New node.
12555 * config/dfp-bit.h, config/dfp-bit.c: New files.
12557 2006-01-18 Ben Elliston <bje@au.ibm.com>
12559 * expr.c (emit_move_change_mode): Always adjust addresses, not
12560 just during reload. Copy replacements only during reload.
12561 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12562 emit_move_via_integer.
12564 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12566 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12567 instead of $(srcdir) and ${srcdir}.
12569 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12572 PR middle-end/11135
12573 * arm.h (struct machine_function): Add pic_reg.
12574 * arm.c (arm_pic_register): Make unsigned.
12575 (arm_override_options): Only set arm_pic_register if
12576 TARGET_SINGLE_PIC_BASE.
12577 (use_return_insn): Only test for a pic register if it is fixed.
12578 (arm_compute_save_reg0_reg12_mask): Likewise.
12579 (thumb_compute_save_reg_mask): Likewise.
12580 (legitimate_pic_operand): Factor out some known invariants.
12581 (legitimize_pic_address): If we don't have a fixed pic register,
12582 then set up a pseudo in the function entry sequence. Handle the
12583 pic base being in a pseudo.
12584 (arm_load_pic_register): Handle the pic register being in a pseudo.
12585 (arm_expand_prologue): Only set up the pic register if it is fixed.
12586 (thumb_expand_prologue): Likewise.
12587 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12588 (pic_load_addr_based_insn): Likewise.
12589 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12592 2006-01-18 Ben Elliston <bje@au.ibm.com>
12594 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12595 decimal float modes for all floating point registers.
12597 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12598 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12600 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12603 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12604 even when the pointer is not NULL.
12606 2006-01-16 Ian Lance Taylor <ian@airs.com>
12608 * common.opt (ftoplevel-reorder): New option.
12609 * cgraph.c (cgraph_asm_nodes): New global variable.
12610 (cgraph_asm_last_node): New static variable.
12611 (cgraph_order): New global variable.
12612 (cgraph_create_node): Set new order field.
12613 (cgraph_varpool_node): Likewise.
12614 (decide_is_variable_needed): Return true if not
12615 flag_toplevel_reorder.
12616 (cgraph_add_asm_node): New function.
12617 * cgraph.h (struct cgraph_node): Add order field.
12618 (struct cgraph_varpool_node): Add order field.
12619 (struct cgraph_asm_node): Define.
12620 (cgraph_asm_nodes, cgraph_order): Declare.
12621 (cgraph_add_asm_node): Declare.
12622 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12624 (cgraph_varpool_assemble_pending_decls): Call it.
12625 (cgraph_output_pending_asms): New static function.
12626 (cgraph_finalize_compilation_unit): Call it.
12627 (struct cgraph_order_sort): Define.
12628 (cgraph_output_in_order): New static function.
12629 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12630 !flag_toplevel_reorder case.
12631 * c-parser.c: Include "cgraph.h".
12632 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12634 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12635 than -fno-unit-at-a-time.
12636 * doc/invoke.texi (Option Summary): Mention
12637 -fno-toplevel-reorder.
12638 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12639 -funit-at-a-time documentation.
12641 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12642 Kazu Hirata <kazu@codesourcery.com>
12644 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12646 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12648 * Makefile.in (FUNCTION_H): New. Use it instead of
12649 function.h throughout the file.
12650 * function.h: Include tree.h.
12652 2006-01-17 Ben Elliston <bje@au.ibm.com>
12654 * recog.c: Separate some functions with whitespace.
12656 2006-01-16 Richard Henderson <rth@redhat.com>
12658 Merge from gomp branch:
12659 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12660 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12661 and rename from struct inline_data. Rename callee* to dst*;
12662 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12663 transform_new_cfg, transform_return_to_modify, and
12664 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12666 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12667 (copy_decl_for_dup): Remove.
12668 * tree-inline.c (struct inline_data): Move to header.
12669 (insert_decl_map): Export.
12670 (remap_decl): Update for member name changes. Use copy_decl hook.
12671 Allow for replacement to be a non-decl. Remove dead code.
12672 (remap_type_1): Check for existing mapping.
12673 (remap_type): Export.
12674 (remap_decls): Update for member name changes.
12675 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12676 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12677 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12678 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12679 (tree_function_versioning, build_duplicate_type): Likewise.
12680 (copy_body_r): Likewise. Export.
12681 (copy_decl_for_dup): Split into ...
12682 (copy_decl_for_dup_finish, copy_decl_to_var,
12683 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12684 (replace_ref_tree, inlining_p): Remove.
12686 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12688 * ifcvt.c (if_convert): Make it static.
12689 * rtl.h: Remove the prototype for if_convert.
12691 * local-alloc.c (local_alloc): Make it static.
12692 * rtl.h: Remove the prototype for local_alloc.
12694 * loop.c (loop_optimize): Make it static.
12695 * cfgloop.h: Remove the prototype for loop_optimize.
12698 2006-01-16 DJ Delorie <dj@redhat.com>
12700 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12703 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12705 * pa.md: Disparage copies between general and floating-point registers
12706 in 32-bit move patterns.
12708 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12711 * Makefile.in (check-%): Depend on site.exp instead of
12712 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12715 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12717 * global.c (global_alloc): Make it static.
12718 * rtl.h: Remove the prototype for global_alloc.
12720 2006-01-16 Richard Guenther <rguenther@suse.de>
12722 * tree-ssa-alias.c (struct used_part): Add write_only field.
12723 (get_or_create_used_part_for): Initialize it to true.
12724 (create_overlap_variables_for): Don't create structure variables
12725 for structures that only are written to.
12726 (find_used_portions): Handle MODIFY_EXPR to track whether a
12727 structure is only written to.
12729 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12731 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12733 * basic-block.h: Remove the prototype for
12734 partition_hot_cold_basic_blocks.
12736 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12738 * cppspec.c (lang_specific_spec_functions): Remove.
12739 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12740 * gcc.h (lang_specific_spec_functions): Remove.
12741 * gccspec.c (lang_specific_spec_functions): Remove.
12743 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12745 * combine.c (record_value_for_reg): Invalidate registers
12747 (record_dead_and_set_regs_1): Likewise, by passing them to
12748 record_value_for_reg.
12749 (record_dead_and_set_regs): Invalidate stores made by a
12750 call. We do not combine across a call, but we still
12751 relied on equivalences.
12753 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12755 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12756 vrp_int_const_binop returning non-constant nodes.
12758 2006-01-16 Paul Brook <paul@codesourcery.com>
12760 * config/m68k/m68k.c (output_move_const_into_data_reg):
12761 Output correct mnemonic for mvz and mvs.
12763 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12765 * rtl-factoring.c: Add sequence abstraction algorithm.
12766 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12767 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12769 (block_has_preserve_label): New function.
12770 * common.opt: Register new pass.
12771 * Makefile.in: Ditto.
12773 * timevar.def: Ditto.
12774 * tree-pass.h: Ditto.
12775 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12776 * rtl.h (make_jump_insn_raw): Add forward decl.
12777 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12779 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12780 Roger Sayle <roger@eyesopen.com>
12782 * fold-const.c (fold_minmax): New static function.
12783 (fold_binary) <MIN_EXPR>: Call it.
12784 <MAX_EXPR>: Likewise.
12785 * stor-layout.c (place_field): Use DECL_SIZE consistently
12786 in the computation of the new record size.
12788 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12790 * cse.c (cse_condition_code_reg): Make it static.
12791 * rtl.h: Remove the prototype for cse_condition_code_reg.
12793 * combine.c (combine_instructions): Make it static.
12794 * rtl.h: Remove the prototype for combine_instructions.
12796 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12799 * tree.c (get_file_function_name_long): Concatenate the first global
12800 object name with a string derived from the input filename of the object
12803 2006-01-16 Ben Elliston <bje@au.ibm.com>
12805 * config/i386/winnt-stubs.c: Update FSF address.
12806 * config/xtensa/ieee754-df.S: Ditto.
12807 * config/xtensa/ieee754-sf.S: Ditto.
12809 2006-01-14 Ian Lance Taylor <ian@airs.com>
12811 * ifcvt.c (noce_init_if_info): New static function, broken out of
12812 noce_process_if_block.
12813 (noce_process_if_block): Call noce_init_if_info.
12814 (check_cond_move_block): New static function.
12815 (cond_move_process_if_block): New static function.
12816 (process_if_block): Call cond_move_process_if_block.
12818 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12820 * cselib.c (hash_table): Rename to cselib_hash_table.
12821 (cselib_clear_table, discard_useless_values,
12822 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12823 cselib_init, cselib_finish): Adjust uses of hash_table.
12825 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12827 PR tree-optimization/25485
12828 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12829 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12830 is known to be false and true, respectively.
12832 2006-01-14 Richard Guenther <rguenther@suse.de>
12834 PR tree-optimization/22548
12835 PR tree-optimization/22555
12836 PR tree-optimization/22501
12837 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12838 * params.def (salias-max-array-elements): New parameter.
12839 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12840 * doc/invoke.texi (salias-max-array-elements): Document.
12841 * tree-flow-inline.h (var_can_have_subvars): We also handle
12843 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12845 * tree-ssa-structalias.c (params.h): Include.
12846 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12847 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12848 (get_constraint_for): For ADDR_EXPR operating on something
12849 containing an ARRAY_REF, add all subvars to the solution.
12850 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12851 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12852 for creating MUST_DEFs.
12853 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12855 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12857 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12859 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12860 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12861 number_of_iterations_le): New functions.
12862 (number_of_iterations_special): Removed.
12863 (number_of_iterations_exit): Do not use number_of_iterations_special.
12864 * tree.c (unsigned_type_for): Always return integer type.
12866 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12867 Richard Guenther <rguenther@suse.de>
12869 PR rtl-optimization/24257
12870 * gcse.c (find_moveable_store): Only consider a store movable
12871 when the SET_SRC of the insn can be assigned to a register.
12873 2006-01-14 Ian Lance Taylor <ian@airs.com>
12875 * tree.c (tree_not_class_check_failed): New function.
12876 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12877 (tree_not_class_check_failed): Declare.
12879 2006-01-13 Ian Lance Taylor <ian@airs.com>
12881 * reload1.c (do_output_reload): Add assertion rejecting a
12884 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12886 * combine.c (struct reg_stat): Add new fields truncation_label and
12888 (record_value_for_reg): Reset truncated_to_mode.
12889 (record_truncated_value): New function.
12890 (check_promoted_subreg): Call it. Rename to check_conversions.
12891 (combine_instructions): Rename check_promoted_subreg to
12893 (reg_truncated_to_mode): New function.
12894 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12895 (gen_lowpart_or_truncate): New function.
12896 (force_to_mode): Use it instead of gen_lowpart.
12898 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12900 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12901 VAR is a tag, not its type tag.
12903 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12905 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12906 alternatives to match style of other entries.
12907 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12909 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12911 PR tree-optimization/25771
12912 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12915 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12918 * tree-inline.c (declare_return_variable): If the return variable
12919 was marked as a non gimple complex, set the return slot variable
12920 to be a non gimple comple variable.
12922 2006-01-13 Richard Guenther <rguenther@suse.de>
12924 * builtins.c (expand_builtin_sincos): New function.
12925 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12927 (expand_builtin): Expand sincos using expand_builtin_sincos.
12929 2006-01-12 DJ Delorie <dj@redhat.com>
12931 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12932 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12933 so that constant shifts can be split.
12934 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12935 (m32c_valid_pointer_mode): Make static.
12936 (shift_gen_func_for): New.
12937 (m32c_prepare_shift): Use it. Split large const shifts into
12939 * config/m32c/predicates.md (shiftcount_operand): Allow more
12941 (longshiftcount_operand): New.
12942 * doc/md.texi (Machine Constraints): Document In6.
12944 2006-01-13 Ben Elliston <bje@au.ibm.com>
12946 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12947 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12950 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12952 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12953 to try to avoid clobbering pieces of structures when we know
12954 something about the whole structure.
12955 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12957 2006-01-13 Ben Elliston <bje@au.ibm.com>
12959 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12960 return in memory, as this is no limitation is no longer present.
12962 2006-01-12 DJ Delorie <dj@redhat.com>
12964 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12965 mova with fb, and for fb+0 -> An.
12967 * config/m32c/mov.md (peephole2): Fix enabling logic.
12969 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12970 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12971 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12972 FINI_ARRAY_SECTION_ASM_OP): Define.
12974 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12976 (m32c_legitimize_reload_address): New logic to reload FB to An.
12977 (m32c_output_reg_push): Add newline.
12978 (m32c_output_reg_pop): Likewise.
12980 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12982 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12984 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12986 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12988 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12990 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12993 2006-01-11 Ben Elliston <bje@au.ibm.com>
12995 * rtlanal.c (find_reg_note): Assert insn is not null.
12997 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12999 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13002 2006-01-11 Jeff Law <law@redhat.com>
13004 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13006 (mark_threaded_blocks, register_jump_thread): New functions.
13007 (thread_through_all_blocks): Remove unwanted argument. No
13008 longer rely on e->aux to communicate thread target info.
13009 Call mark_threaded_blocks. Release the threaded_blocks
13010 bitmap and threaded_edges vector when complete.
13011 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13012 (threaded_blocks): Remove.
13013 (tree_ssa_dominator_optimize): Remove initialization and
13014 finalization of threaded_blocks. Simplify call to
13015 thread_through_all_blocks.
13016 (thread_across_edge): Call register_jump_thread rather than
13017 storing thread information into e->aux.
13018 (free_all_edge_infos): Simplify now that e->aux is no longer
13019 used to communicate with thread_through_all_blocks.
13020 * tree-flow.h (thread_through_all_blocks): Update prototype.
13021 (register_jump_thread): Prototype.
13023 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13025 * df-core.c (df_compact_blocks, df_bb_replace): Use
13026 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13028 2006-01-11 Richard Guenther <rguenther@suse.de>
13030 PR tree-optimization/25734
13031 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13032 stop propagation after successful propagation to the LHS.
13034 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13036 * basic-block.h (control_flow_graph): Change the type of
13037 x_basic_block_info to VEC(basic_block,gc) *.
13038 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13040 (SET_BASIC_BLOCK): New.
13041 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13042 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13043 * cfgbuild.c (find_basic_blocks): Likewise.
13044 * cfglayout.c (fixup_reorder_chain): Likewise.
13045 * cfgrtl.c (create_basic_block_structure,
13046 rtl_create_basic_block): Likewise.
13047 * ifcvt.c (find_if_case_1): Likewise.
13048 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13051 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13053 * Makefile.in: Removed rotted odf.c entry.
13055 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13058 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13059 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13060 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13061 output pattern modifier, not %e.
13062 * config/cris/cris.c (cris_op_str): Update comment about pattern
13064 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13065 before falling through into...
13066 <case 'E'>: Redefined from old 'e' case.
13068 2006-01-11 Jan Hubicka <jh@suse.cz>
13071 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13073 2006-01-11 Jan Hubicka <jh@suse.cz>
13075 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13076 * i386.c (x86_decompose_lea): Kill.
13077 (ix86_rtx_costs): Kill.
13079 2006-01-11 Jan Hubicka <jh@suse.cz>
13081 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13082 * cgraph.h (cgraph_node): Add inline_decl.
13083 (cgraph_insert_node_to_hashtable): Declare.
13084 (save_inline_function_body): Declare.
13085 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13087 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13088 (cgraph_function_versioning): Update call of tree_function_versioning.
13089 (save_inline_function_body): New function.
13090 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13091 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13092 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13093 (cgraph_default_inline_p): Likewise.
13094 (cgraph_decide_inlining_incrementally): Likewise.
13095 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13096 (copy_bb): Kill saving; do updating of clones.
13097 (copy_cfg_body): Kill saving.
13098 (initialize_inlined-parameters): Likewise.
13099 (expand_call_inline): Likewise.
13101 (tree_function_versioning): New parameter "update_clones".
13102 (inlining_p): Kill saving.
13103 * tree-inline.h (tree_function_versioning): Update prototype.
13104 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13107 2006-01-11 Ian Lance Taylor <ian@airs.com>
13109 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13110 Allow undoing set of machine mode.
13111 (do_SUBST): Use enums instead of is_int.
13112 (do_SUBST_MODE): New function.
13113 (SUBST_MODE): New macro.
13114 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13115 reg and trying to replace reg_regno_rtx with a new register.
13116 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13117 (simplify_set): Use SUBST_MODE.
13118 (distribute_notes): Remove code that tried to update reg notes
13119 for regno_reg_rtx changes.
13121 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13123 PR tree-optimization/23109
13124 PR tree-optimization/23948
13125 PR tree-optimization/24123
13127 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13128 * tree-cfg.c (single_noncomplex_succ): New.
13129 * tree-flow.h (single_noncomplex_succ): Declare it.
13130 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13131 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13132 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13133 insert_bb, register_division_in, insert_reciprocals,
13134 replace_reciprocal, free_bb): New.
13135 (execute_cse_reciprocals_1): Rewritten.
13136 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13137 Do not commit any edge insertion. Always compute dominators and
13138 create the allocation pool.
13139 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13140 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13141 * targhooks.c (default_min_divistions_for_recip_mul): New.
13142 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13143 * passes.c (init_optimization_passes): Run recip after tree loop
13145 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13147 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13148 Kenneth Zadeck <zadeck@naturalbridge.com>
13150 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13151 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13152 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13153 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13154 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13155 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13156 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13157 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13158 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13159 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13160 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13161 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13162 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13163 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13164 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13165 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13166 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13167 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13168 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13169 DF_SCAN_POST_ALLOC): New macros.
13170 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13171 df_free_bb_function, df_local_compute_function, df_init_function,
13172 df_dataflow_function, df_confluence_function_0,
13173 df_confluence_function_n, df_transfer_function,
13174 df_finalizer_function, df_free_function, df_dump_problem_function,
13175 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13176 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13177 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13178 df_urec_bb_info, ) New types.
13179 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13181 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13182 df_analyze_simple_change_some_blocks,
13183 df_analyze_simple_change_one_block, df_compact_blocks,
13184 df_bb_replace, df_bb_regno_last_use_find,
13185 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13186 df_insn_regno_def_p, df_find_def, df_find_use,
13187 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13188 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13189 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13190 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13191 debug_df_chain, df_get_dependent_problem, df_chain_create,
13192 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13193 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13194 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13195 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13196 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13197 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13198 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13199 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13200 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13201 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13202 df_reorganize_refs, df_set_state, df_hard_reg_init,
13203 df_read_modify_subreg_p) New public functions.
13204 * df-core.c: The core dataflow solver and glue routines for rtl
13206 (df_init, df_add_problem, df_set_blocks, df_finish,
13207 df_hybrid_search_forward, df_hybrid_search_backward,
13208 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13209 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13210 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13211 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13212 df_reg_defined, df_find_use, df_reg_used, df_dump,
13213 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13214 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13215 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13216 debug_df_useno, reset_df_after_reload): New functions.
13217 * df-scan.c: The scanning fuctions, once in df.c, completely
13218 rewritten so that they now fully model the functionality of
13219 register usage at the backend.
13220 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13221 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13222 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13223 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13224 df_get_artificial_defs, df_get_artificial_uses,
13225 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13226 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13227 df_refs_delete, df_reorganize_refs, df_set_state,
13228 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13229 df_def_record_1, df_defs_record, df_uses_record,
13230 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13231 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13232 df_record_exit_block_uses, df_hard_reg_init): New functions.
13234 * df-problems.c: Seven concrete dataflow problems that use the
13235 scanning in df-scan.c and are solved by the engine in df-core.c.
13236 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13237 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13238 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13239 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13240 df_ru_free_bb_info, df_ru_alloc,
13241 df_ru_bb_local_compute_process_def,
13242 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13243 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13244 df_ru_transfer_function, df_ru_free, df_ru_dump,
13245 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13246 df_rd_free_bb_info, df_rd_alloc,
13247 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13248 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13249 df_rd_transfer_function, df_rd_free, df_rd_dump,
13250 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13251 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13252 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13253 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13254 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13255 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13256 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13257 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13258 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13259 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13260 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13261 df_urec_mark_reg_use_for_earlyclobber,
13262 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13263 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13264 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13265 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13266 df_chain_create_bb_process_use, df_chain_create_bb,
13267 df_chain_finalize, df_chain_free, df_chains_dump,
13268 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13269 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13270 df_reg_lifetime): New functions.
13271 * df.c: Deleted file.
13272 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13273 consistent with new df api.
13274 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13275 rest_of_handle_sms): Ditto.
13276 * web.c (unionfind_union, union_defs, entry_register, web_main):
13278 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13279 invariant_expr_equal_p, find_defs, check_dependencies,
13280 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13281 free_inv_motion_data, move_loop_invariants): Ditto.
13282 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13283 Update dependencies.
13284 (odf.c): Added defective entry that was deleted later in day.
13285 * sched-deps.c (sched_analyze_1): Ditto.
13287 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13289 * tree-ssa-operands.c (get_expr_operands): Record addressable
13290 variables directly. Do not call add_stmt_operands for CONST_DECLs
13292 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13293 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13295 2006-01-11 Ben Elliston <bje@au.ibm.com>
13297 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13298 function returns true in the positive case.
13300 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13303 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13304 for SI, DI, SF and DF modes. Add alternatives to copy between
13305 general and floating point registers to the 32-bit patterns.
13306 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13307 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13308 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13309 generating 64-bit code.
13310 * config/pa/pa.c (output_move_double): Handle copies between general
13311 and floating registers.
13313 2006-01-10 Stuart Hastings <stuart@apple.com>
13315 * config/i386/i386.md (set_got): Update.
13316 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13317 (builtin_setjmp_receiver): Mach-O support.
13318 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13319 (GOT_SYMBOL_NAME): Define.
13320 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13321 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13322 * config/i386/i386.c (override_options): Revise for Darwin.
13323 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13324 support. (darwin_x86_file_end): New. (output_set_got): Add label
13325 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13326 * config/i386/i386-protos.h (output_set_got): Likewise.
13327 * config/darwin.c (machopic_legitimize_pic_address): Update
13330 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13332 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13333 when MODE isn't BLKmode.
13335 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13337 PR rtl-optimization/25367
13338 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13340 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13343 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13344 for a negative bound.
13346 2006-01-10 Richard Guenther <rguenther@suse.de>
13348 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13349 Never override with anything constraint.
13351 2006-01-10 Jan Beulich <jbeulich@novell.com>
13353 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13354 256 bits when optimize_size.
13356 2006-01-10 Jan Beulich <jbeulich@novell.com>
13358 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13360 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13361 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13364 2006-01-10 Ben Elliston <bje@au.ibm.com>
13366 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13368 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13369 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13370 (USE_FP_FOR_ARG): Reject decimal float modes.
13371 (function_arg_advance): Likewise.
13372 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13373 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13374 point types in AltiVec vectors.
13375 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13376 (rs6000_libcall_value): Likewise.
13378 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13380 * config/xtensa/ieee754-df.S: New file.
13381 * config/xtensa/ieee754-sf.S: New file.
13382 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13383 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13384 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13386 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13388 * config/sh/predicates.md (binary_float_operator,
13389 binary_logical_operator, commutative_float_operator,
13390 equality_comparison_operator, greater_comparison_operator,
13391 less_comparison_operator, logical_operator,
13392 noncommutative_float_operator, shift_operator,
13393 symbol_ref_operand, unary_float_operator): Remove redundant
13396 2006-01-09 Jeff Law <law@redhat.com>
13398 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13399 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13400 now unused arguments. Callers updated.
13401 (eliminate_redundant_computations): Remove now unused arguments,
13403 (local_fold): Remove, no longer used.
13404 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13406 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13407 (simplify_cond): New function.
13408 (forward_propagate_into_cond): Call simplify_cond.
13410 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13412 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13413 (*vec_extractv2di_1_sse): New.
13415 2006-01-09 Ben Elliston <bje@au.ibm.com>
13417 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13419 2006-01-08 Richard Guenther <rguenther@suse.de>
13421 * tree-ssa-structalias.c (get_constraint_for): Remove
13422 anyoffset argument.
13423 (get_constraint_for_component_ref): Likewise.
13424 (do_deref): Likewise.
13425 (get_constraint_for): Likewise.
13426 (do_structure_copy): Likewise.
13427 (handle_ptr_arith): Likewise.
13428 (find_func_aliases): Likewise. Remove unused need_anyoffset
13431 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13432 Kaz Kojima <kkojima@gcc.gnu.org>
13434 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13435 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13436 (EXTRA_CONSTRAINT_C16): Remove.
13437 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13438 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13439 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13440 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13441 constants of SHmedia. Handle nested constant expressions of
13443 (andcosts): Fix the costs for SHmedia constants.
13444 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13445 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13446 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13447 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13448 (movv4hi_i, movv2si_i): Likewise.
13449 (movsi_const): Adjust the second operand of ior so to match with
13450 the Csu constraint.
13451 (movdi_const, movdi_const_32bit): Likewise.
13452 (movdi_const_16bit+1): Don't sign-extend LOW.
13453 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13455 (*double_shori): Fix the split condition. Use GEN_INT instead
13456 of get_int_mode calls. Mask lower 16-bit of the argument of
13458 (sym2GOTPLT): Remove.
13459 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13461 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13462 instead of EXTRA_CONSTRAINT_C16.
13464 2006-01-07 Ian Lance Taylor <ian@airs.com>
13465 David Edelsohn <edelsohn@gnu.org>
13467 PR rtl-optimization/25662
13468 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13469 for constant operands instead of simplify_gen_binary.
13470 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13471 after trying simplify_binary_operation
13473 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13475 * tree.c (iterative_hash_expr): Hash decls based on UID.
13477 2006-01-06 Eric Christopher <echristo@apple.com>
13479 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13480 (TARGET_UNWIND_EMIT): Fix spelling.
13481 * target.h (gcc_target): Add except_table_label.
13482 * except.c (output_function_exception_table): Use.
13483 * varasm.c (default_emit_except_table_label): New.
13484 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13486 (asm_out): Add here.
13487 * output.h (default_emit_except_table_label): Prototype.
13488 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13489 * config/darwin.c (darwin_emit_except_table_label): Define.
13490 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13492 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13494 PR tree-optimization/18527
13495 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13496 number_of_iterations_special, number_of_iterations_exit):
13497 Move base and step of an iv to a single structure. Add
13498 no_overflow flag, and use it in # of iterations analysis.
13499 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13500 folded_casts argument.
13501 (simple_iv): Pass base and step in a structure. Set no_overflow
13503 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13504 Evaluate expensiveness of computing # of iterations instead of
13505 the final expression.
13506 * tree-scalar-evolution.h (affine_iv): New structure.
13507 (simple_iv): Declaration changed.
13508 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13509 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13510 find_givs_in_stmt): Changed due to simple_iv change.
13512 2006-01-06 Jeff Law <law@redhat.com>
13515 * tree-cfg.c (bsi_replace): Rename final argument from
13516 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13517 change (stmt -> orig_stmt).
13518 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13519 (bsi_remove): Add new argument. Remove EH information
13521 (verify_eh_throw_table_statements): New function.
13522 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13524 * tree-optimize.c (execute_free_cfg_annotations): Verify
13525 the EH throw statement table after removing annotations.
13526 * except.h (verify_eh_throw_table_statements): Prototype.
13527 * tree-flow.h (bsi_remove): Update prototype.
13528 * tree-vrp.c (remove_range_assertions): Add new argument to
13530 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13531 * tree-complex.c (expand_complex_div_wide): Likewise.
13532 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13533 * tree-tailcall.c (eliminate_tailcall): Likewise.
13534 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13535 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13536 * tree-nrv.c (tree_nrv): Likewise.
13537 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13538 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13539 (combine_blocks): Likewise.
13540 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13541 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13542 (cleanup_control_flow): Likewise.
13543 (remove_forwarder_block): Likewise.
13544 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13545 * tree-sra.c (sra_replace): Likewise.
13546 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13547 (forward_propagate_single_use_vars): Likewise.
13548 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13549 * tree-inline.c (expand_call_inline): Likewise.
13550 * tree-vect-transform.c (vect_transform_loop): Likewise.
13551 * tree-outof-ssa.c (rewrite_trees): Likewise.
13552 * tree-cfg.c (make_goto_expr_edges): Likewise.
13553 (cleanup_dead_labels): Likewise.
13554 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13555 (bsi_move_before, bsi_move_after): Likewise.
13556 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13557 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13559 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13562 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13564 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13565 on non gimple variables. Also add checks at the top for decls and
13567 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13569 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13570 and IMAGPART_EXPR for creating MUST_DEFs.
13571 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13572 and NAME_MEMORY_TAG separately from the DECLs.
13574 2006-01-06 Richard Guenther <rguenther@suse.de>
13576 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13577 annotation, if necessary.
13578 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13579 redundant calls to update_stmt.
13580 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13583 2006-01-05 Richard Henderson <rth@redhat.com>
13585 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13587 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13589 * c-typeck.c: Update copyright date.
13591 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13593 * c-typeck.c (build_c_cast): Always warn when casting
13594 from a pointer to an integer of different size, even if
13595 the node was constant.
13597 2006-01-05 Richard Guenther <rguenther@suse.de>
13599 PR tree-optimization/22555
13600 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13601 if one structure field is an array.
13602 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13603 operands even if we found a subvar, but ignore VOPs in this
13605 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13607 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13609 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13611 PR middle-end/24998
13612 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13614 2006-01-05 Richard Guenther <rguenther@suse.de>
13615 Diego Novillo <dnovillo@redhat.com>
13617 * tree-pass.h (TODO_remove_unused_locals): Define.
13618 * gimple-low.c (expand_var_p, remove_useless_vars,
13619 pass_remove_useless_vars): Remove. Update all users.
13620 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13621 (remove_unused_locals): New function.
13622 * tree-flow.h (remove_unused_locals): Declare.
13623 * passes.c (execute_todo): Call remove_unused_locals if
13624 TODO_remove_unused_locals is set.
13625 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13626 * tree-ssa-dce.c (pass_dce): Likewise.
13627 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13629 2006-01-05 Richard Guenther <rguenther@suse.de>
13631 * tree-flow.h (struct fieldoff): Decompose field to
13632 type, size and decl.
13633 * tree-ssa-alias.c (create_sft): Take type as parameter.
13634 (create_overlap_variables_for): Store type, size and decl
13635 in the fieldoff structure.
13636 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13637 of struct fieldoff.
13638 (push_fields_onto_fieldstack): Likewise.
13639 (create_variable_info_for): Likewise. Use offset for the
13640 SFT name if the decl is not available.
13642 2006-01-04 Paul Brook <paul@codesourcery.com>
13644 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13646 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13648 * lambda-code.c (can_put_in_inner_loop): Relax
13650 (can_put_after_inner_loop): New function.
13651 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13652 (perfect_nestify): Change to make copies and modify uses.
13654 2006-01-04 Richard Henderson <rth@redhat.com>
13656 Merge from gomp branch:
13657 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13658 via integer constant.
13659 (pragma_lex): Remove.
13660 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13661 rather than parsing it.
13662 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13663 handle_pragma_extern_prefix): Add %< %> quotes.
13664 (registered_pragmas): New.
13665 (c_register_pragma_1): New.
13666 (c_register_pragma): Use it.
13667 (c_register_pragma_with_expansion): Likewise.
13668 (c_invoke_pragma_handler): New.
13669 (init_pragma): Use cpp_register_deferred_pragma directly for
13671 * c-pragma.h (enum pragma_kind): New.
13672 (pragma_handler): New.
13673 (c_invoke_pragma_handler): Declare.
13674 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13676 * c-common.h (c_common_pch_pragma): Update decl.
13677 * Makefile.in (c-parser.o): Update dependencies.
13678 (GTFILES): Add c-pragma.h.
13679 * c-parser.c (struct c_token): Add pragma_kind.
13680 (struct c_parser): Add in_pragma.
13681 (c_lex_one_token): Always initialize keyword and pragma_kind.
13682 Extract data for CPP_PRAGMA.
13683 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13684 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13685 Don't allow CPP_PRAGMA_EOL if in_pragma.
13686 (c_parser_consume_pragma): New.
13687 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13688 (c_parser_skip_to_end_of_parameter): Likewise.
13689 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13690 (c_parser_skip_to_pragma_eol): New.
13691 (c_parser_external_declaration): Handle CPP_PRAGMA.
13692 (c_parser_compound_statement_nostart): Likewise.
13693 (c_parser_statement_after_labels): Likewise.
13694 (c_parser_pragma): New.
13695 (pragma_lex): Likewise.
13696 (c_parser_pragma_pch_preprocess): New.
13697 (c_parser_new): Merge into ...
13698 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13700 2006-01-04 Jeff Law <law@redhat.com>
13703 * tree-cfg.c (bsi_replace): Remove the original statement
13704 from the EH throw statement table.
13706 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13708 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13709 make the prototype extern "C" and add throw ().
13712 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13713 and pos non-negative and pos + len <= 32.
13714 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13715 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13716 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13719 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13720 as well as sizes not multiple of component size.
13723 * function.c (instantiate_expr): New function.
13724 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13725 walk its DECL_VALUE_EXPR with instantiate_expr.
13727 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13728 DW_OP_deref{,_size} if address isn't going to be added.
13730 2006-01-04 Ben Elliston <bje@au.ibm.com>
13732 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13733 * config/fp-bit.c: Likewise.
13735 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13737 * dominance.c: Add comment about why we use DFS numbering
13740 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13741 Richard Henderson <rth@redhat.com>
13743 Merge from gomp-branch:
13744 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13745 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13747 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13749 PR rtl-optimization/25578
13750 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13751 pass a parameter to simplify_shift_const if changing ASHIFTRT
13754 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13756 * builtins.c (get_builtin_sync_mem): New function.
13757 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13758 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13759 Call get_builtin_sync_mem to generate mem rtx.
13761 2006-01-03 Richard Guenther <rguenther@suse.de>
13764 * stmt.c (add_case_node): Make sure to clear overflow flags
13767 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13769 Merge from gomp-branch.
13770 * config/sparc/sync.md: New file.
13771 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13772 UNSPECV_LDSTUB): New constants.
13773 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13774 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13775 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13778 2006-01-03 Roger Sayle <roger@eyesopen.com>
13780 * combine.c (reg_subword_p): New predicate to test whether the
13781 destination of a set refers to a subword/piece of a register.
13782 (try_combine): Generalize the code to merge the setting of a
13783 pseudo to a constant followed by a set of a subword of that
13784 register to a constant.
13786 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13788 * basic-block.h (control_flow_graph): Change the type of
13789 x_label_to_block_map to VEC(basic_block,gc) *.
13790 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13791 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13793 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13794 VEC(basic_block,heap) *.
13795 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13796 ssa_prop_fini): Adjust the uses of cfg_blocks.
13798 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13800 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13802 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13803 hashing trees instead of a pointer hash.
13804 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13805 compare for MEM_EXPR.
13807 PR rtl-optimization/25130
13808 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13809 when comparing MEMs for GCSE
13811 2006-01-03 Ben Elliston <bje@au.ibm.com>
13813 * targhooks.h (default_decimal_float_supported_p): Declare.
13814 * targhooks.c (default_decimal_float_supported_p): Define.
13815 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13816 `default_decimal_float_supported_p'.
13817 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13819 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13821 * combine.c (apply_distributive_law <SUBREG>): Check
13822 TRULY_NOOP_TRUNCATION.
13824 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13826 * dwarf2out.c (have_switched_text_section): Delete.
13827 (have_multiple_function_sections): New.
13828 (have_location_lists): Make 'bool'.
13829 (add_AT_loc_list): Use 'true' not '1'.
13830 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13831 (output_loc_list): Use have_multiple_function_sections.
13832 (output_ranges): Likewise.
13833 (dwarf2out_begin_function): Set have_multiple_function_sections if
13835 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13836 Check function_section rather than DECL_SECTION_NAME.
13837 (dwarf2out_finish): Use have_multiple_function_sections.
13838 Don't clear have_location_lists.
13840 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13841 Jan Hubicka <jh@suse.cz>
13843 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13844 case of conditional jump jumping to the next instruction.
13845 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13846 cases of conditional jump jumping to the next instruction.
13848 2006-01-02 Jan Hubicka <jh@suse.cz>
13850 * i386.c (*_cost): Add COSTS_N_INSNS.
13851 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13853 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13856 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13858 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13860 * config/arm/arm.c (all_fpus): Fix comment typo.
13861 * config/darwin.c: Likewise.
13862 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13863 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13864 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13866 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13868 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13869 (rs6000_split_compare_and_swapqhi): New.
13870 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13871 (sync_compare_and_swapqhi_internal): New.
13872 * config/rs6000/rs6000-protos.h: Declare.