1 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3 PR rtl-optimization/28634
4 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5 for floating-point modes unless flag_unsafe_math_optimizations.
7 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
8 Andrew Pinski <pinskia@physics.uc.edu>
11 * tree.c (build_array_type): Unify array types with
12 unspecified index_type.
13 * c-decl.c (grokdeclarator): Make sure we do not modify a
14 unified incomplete array type.
15 * c-typeck.c (store_init_value): Create distinct type before
16 filling in the index type in an initializer from a compound
19 * c-decl.c (grokdeclarator): Remove code where we copy the
22 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
24 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
25 into account for TODO_dump_cgraph.
26 (TODO_update_ssa_no_phi): Likewise.
27 (TODO_update_ssa_full_phi): Likewise.
28 (TODO_update_ssa_only_virtuals): Likewise.
29 (TODO_remove_unused_locals): Likewise.
30 (TODO_set_props): Likewise.
31 (TODO_update_stmt_usage): Likewise.
33 2006-08-13 Dirk Mueller <dmueller@suse.de>
35 * c-common.c (strict_aliasing_warning): Fix formatting.
37 2006-08-13 Matthias Klose <doko@debian.org>
39 * doc/invoke.texi: Fix spelling errors.
41 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
43 PR rtl-optimization/23454
44 * reorg.c (relax_delay_slots): Update comment.
46 2006-08-11 Richard Guenther <rguenther@suse.de>
49 * simplify-rtx.c (simplify_const_relational_operation):
50 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
53 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
55 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
56 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
58 2006-08-10 Paul Brook <paul@codesourcery.com>
60 * final.c (final_scan_insn): Clear current_insn_predicate before
61 outputting inline asm.
63 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
65 PR tree-optimization/26197
66 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
67 get_ref_base_and_extent and overlap_subvar to add only relevant
68 subvars as may-aliases.
69 (add_may_alias_for_new_tag): New function, factored out of
71 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
72 with additional argument.
73 * tree-flow.h (new_type_alias): Takes additional argument.
75 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
77 * gcov.c (no_data_file): New flag.
78 (read_count_file): Set it if data file not present. Assume counts
80 (output_lines): Don't name the data file, if there wasn't one.
82 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
84 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
85 (rs6000_generate_compare): Tweak comments.
86 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
88 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
90 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
91 (var_debug_decl): New function.
92 (var_reg_set): Follow debug decl link. Add location even if
93 reg is already known to hold some other variable.
94 (var_mem_set): Follow debug decl link.
95 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
96 decl link. Delete other known locations of the variable part
98 (var_reg_delete, var_mem_delete): Delete other known locations
99 of the variable part if requested.
100 (same_variable_part_p): New function.
101 (add_stores): Select MO_COPY when appropriate.
102 (vt_initialize): Handle it.
103 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
104 known locations for MO_SET and MO_CLOBBER.
105 (find_variable_location_part): New function.
106 (set_variable_part, delete_variable_part): Use it.
107 (clobber_variable_part): New function.
108 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
111 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
113 PR tree-optimization/26969
114 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
115 with an empty list of PHIs.
117 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
121 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
124 2006-08-06 Andreas Schwab <schwab@suse.de>
126 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
127 string. Whitespace and comment fixup.
129 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
132 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
136 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
139 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
141 2006-08-04 Jan Hubicka <jh@suse.cz>
145 * reload.c (push_reload): Patch out the mismatching instruction;
147 (find_reload): Bail out if the instruction was patched out.
149 2006-08-04 Jan Hubicka <jh@suse.cz>
151 PR tree-optimization/24888
152 * tree-inline.c (expand_call_inline): Do not re-record variables.
153 (declare_inline_vars): Add variable to unexpanded_var_list.
155 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
156 Roger Sayle <roger@eyesopen.com>
158 PR rtl-optimization/26244
159 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
160 inner_const are negative or greater than or equal to the bitsize of
161 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
162 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
163 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
164 CONST0_RTX (mode) when the new shift count is greater than or equal to
165 to the bitsize of the object being shifted and XEXP (y, 0) has no side
168 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
170 * tree-cfg.c: Fix a comment typo.
172 2006-08-03 Mark Mitchell <mark@codesourcery.com>
175 * varasm.c (output_constant): Give the front end another chance to
176 expand constants, after stripping NOPs.
178 2006-08-03 Jan Hubicka <jh@suse.cz>
180 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
183 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
185 PR tree-optimization/27770
186 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
187 declaration removed (moved to tree-flow.h).
188 (vect_can_force_dr_alignment_p): Likewise.
189 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
190 (moved from tree-vectorizer.h).
191 (vect_can_force_dr_alignment_p): Likewise.
192 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
193 from outside the vectorizer - in particular from cgraph stage.
194 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
195 the alignment of global arrays when -fsection-anchors is enabled.
196 * cgraphunit.c (cgraph_increase_alignment): New function.
197 (cgraph_optimize): Call cgraph_increase_alignment.
199 2006-08-03 David Edelsohn <edelsohn@gnu.org>
202 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
203 not reload a SPE symbol_ref into a lo_sum address.
205 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
208 * dwarf2out.c (prune_unused_types_prune): Move call to
209 prune_unused_types_update_strings to cover the parent DIE also.
211 2006-08-02 Jan Hubicka <jh@suse.cz>
213 PR gcov/profile/28480
214 * tree-cfg.c (change_bb_for_stmt): New function.
215 (tree_merge_blocks, tree_split_blocks): Use it.
217 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
223 * toplev.c (compile_file): Return early on errorcount or sorrycount.
224 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
225 (cgraph_optimize): Likewise.
227 2006-08-01 Stuart Hastings <stuart@apple.com>
229 * rtl.h (UINTVAL) New.
230 * config/rs6000/rs6000.c (SMALL_INT) Use it.
231 * testsuite/gcc.dg/20060801-1.c: New.
233 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
236 * c-typeck.c (build_external_type): Mark used enum types.
237 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
239 (gen_subprogram_die): Whitespace fix.
241 2006-08-01 Jan Hubicka <jh@suse.cz>
243 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
244 bitmap when not needed.
245 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
248 2006-08-01 Dirk Mueller <dmueller@suse.de>
250 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
252 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
254 * Makefile.in: Revert part of previous patch:
255 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
258 2006-07-30 Eric Christopher <echristo@apple.com>
261 * doc/extend.texi (i386 Variable Attributes): Add anchor.
262 (PowerPC Variable Attributes): New section.
264 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
266 PR target/28126 (partial fix)
267 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
269 2006-07-28 Jan Hubicka <jh@suse.cz>
271 PR rtl-optimization/28071
272 * cfgrtl.c (rtl_delete_block): Free regsets.
273 * flow.c (allocate_bb_life_data): Re-use regsets if available.
275 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
277 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
278 and variables used in dependencies.
280 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
282 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
283 %fs for -mcmodel=kernel.
284 (stack_tls_protect_test_di): Likewise.
286 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
288 * Makefile.in: Use mkinstalldirs.
290 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
293 * opts-common.c (prune_options): Skip joined switches.
295 2006-07-27 Jan Hubicka <jh@suse.cz>
297 PR rtl-optimization/28071
298 * cselib.c (cselib_process_insn): Don't remove useless values too
299 often for very large hashtables.
301 2006-07-27 Jan Hubicka <jh@suse.cz>
303 PR rtl-optimization/28071
304 * global.c (greg_obstack): New obstack.
305 (allocate_bb_info): Use it.
306 (free_bb_info): Likewise.
307 (modify_reg_pav): Likewise.
309 2006-07-27 Roger Sayle <roger@eyesopen.com>
311 * builtins.c (fold_fixed_mathfn): When long and long long are the
312 same size, canonicalize llceil*, llfloor*, llround* and llrint*
313 functions to their lceil*, lfloor*, lround* and lrint* forms.
315 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
318 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
320 (rev_branch_insn): Likewise.
322 2006-07-27 Jan Hubicka <jh@suse.cz>
324 PR rtl-optimization/28071
325 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
326 (reg_set_in_bb, max_reg_computed): New static variables.
327 (regmove_optimize): Free the new array.
328 (fixup_match_1): Update call of reg_is_remote_constant_p.
330 2006-07-26 Jan Hubicka <jh@suse.cz>
332 PR tree-optimization/27882
333 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
335 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
337 (cgraph_analyze_compilation_unit): Likewise.
338 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
339 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
340 (cgraph_early_inlinine): Make order garbage collected.
341 * Makefile.in (gt-ipa-inline): New garbagecollected file.
343 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
345 * dbxout.c (output_types_sort): Add a comment.
346 (output_used_types): Free the VEC.
348 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
350 * function.c (reorder_fix_fragments): Delete.
351 (reorder_blocks): Don't call it.
352 (reorder_blocks_1): Put all subblocks under the origin block.
354 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
356 PR rtl-optimization/27907
357 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
360 2006-07-25 Roger Sayle <roger@eyesopen.com>
363 * convert.c (convert_to_integer): When transforming (T)foo(x) into
364 bar(x) check that bar's result type can represent all the values of T.
366 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
368 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
370 2006-07-25 Nick Clifton <nickc@redhat.com>
372 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
374 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
375 (ggc_pch_count_object): Likewise.
376 (ggc_pch_alloc_object): Likewise.
377 (ggc_pch_write_object): Likewise.
378 (init_ggc): Do not attempt to initialize entries in the
379 size_lookup[] array for objects whose size is greater than than
380 the length of the array.
382 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
384 * dbxout.c (output_used_types_helper): Push queued types
386 (output_types_sort): New.
387 (output_used_types): Collect used types on a VEC and sort them
390 2006-07-24 Richard Guenther <rguenther@suse.de>
393 * cgraph.c (cgraph_remove_node): Do not check if dumps
395 * cgraphunit.c (cgraph_optimize): Likewise.
397 2006-07-24 Jan Hubicka <jh@suse.cz>
399 PR rtl-optimization/28071
400 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
401 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
402 splitting before first stmt.
404 2006-07-24 Jan Hubicka <jh@suse.cz>
406 PR rtl-optimization/28071
407 * ipa-inline.c (update_caller_keys): Remove edges that
408 are no longer inline candidates.
410 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
413 * dbxout.c (output_used_types_helper, output_used_types): New.
414 (dbxout_symbol): Call output_used_types.
416 2006-07-23 Jan Hubicka <jh@suse.cz>
420 * cgraph.c (cgraph_varpool_nodes): Export.
421 (decide_is_variable_needed): Ignored "used" attribute in
423 * cgraph.h (cgraph_varpool_nodes): Declare.
424 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
427 2006-07-23 Roger Sayle <roger@eyesopen.com>
430 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
431 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
432 the __gthrw form of thr_keycreate.
433 (__gthread_key_delete): Silence the unused argument warning.
435 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
438 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
439 Cache the last found '\0' marker to avoid quadratic behavior.
441 2006-07-23 Jan Hubicka <jh@suse.cz>
443 * i386.md (subsi_3_zext): Fix output template.
445 2006-07-21 Mike Stump <mrs@apple.com>
447 * doc/invoke.texi (C++ Dialect Options): Note that
448 -fvisibility-inlines-hidden doesn't affect explicitly
449 instantiationed inline methods.
451 2006-07-20 Roger Sayle <roger@eyesopen.com>
453 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
454 if the target assembler is GNU binutils' gas.
455 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
456 whether to pass GNU gas or native as command line options.
458 2006-07-20 Jason Merrill <jason@redhat.com>
460 * tree.c (remove_attribute): New fn.
461 * tree.h: Declare it.
463 2006-07-20 Paul Brook <paul@codesourcery.com>
466 * cse.c (cse_insn): Add destination addresses to hash table. Check if
467 they are invalidated by this instruction.
469 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
472 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
474 2006-07-20 Eric Christopher <echristo@apple.com>
477 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
479 2006-07-19 Eric Christopher <echristo@apple.com>
481 * config/t-slibgcc-darwin (stmp-lipo): Remove.
482 Rewrite dependencies for libgcc_s.1.dylib.
484 2006-07-19 Jakub Jelinek <jakub@redhat.com>
486 * except.c (duplicate_eh_regions_1): Clear next_peer.
488 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
490 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
491 -mlongcall does not guarantee all calls will be long.
492 * doc/extend.texi (long_call/short_call): Document that longcall
493 does not guarantee a long call will be used.
494 (longcall/shortcall): Likewise.
496 2006-07-18 Roger Sayle <roger@eyesopen.com>
499 * expmed.c (expand_shift): Additionally check that the shift_cost
500 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
501 before implementing a LSHIFT_EXPR as a sequence of additions.
502 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
503 middle-end that DImode shifts need to be synthesized by expand.
505 2006-07-18 Diego Novillo <dnovillo@redhat.com>
508 * tree-ssa-operands.c (access_can_touch_variable): Update
510 Return true if ALIAS is .GLOBAL_VAR.
512 2006-07-18 David Daney <ddaney@avtrex.com>
514 * gcc.c (display_help): Fix typo in help text.
516 2006-07-18 Olivier Hainque <hainque@adacore.com>
518 * tree.h (categorize_ctor_elements): Adjust prototype and add
519 descriptive comment, both in accordance with the interface change
521 * varasm.c (constructor_static_from_elts_p): New function.
522 Whether a constructor node is a valid static constant initializer
523 if all its elements are.
524 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
525 * output.h: Declare it.
526 * expr.c (categorize_ctor_elements_1): Return whether the constructor
527 is a valid constant initializer instead of computing the number of
528 non-constant elements. Use constructor_static_from_elts_p for this
529 purpose. Replace the head comment with an indication that this is a
530 helper for categorize_ctor_elements.
531 (categorize_ctor_elements): Same interface change as for the _1
532 helper. Former head comment from this helper moved here, adjusted to
533 account for the interface changes.
534 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
535 (all_zeros_p): Likewise.
536 * gimplify.c (gimplify_init_constructor): Decide whether we can make
537 static versions of the constructor from the categorize_ctor_elements
538 return value instead of the formerly computed number of non-constant
541 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
543 * configure: Regenerate.
544 * Makefile.in (build_libsubdir): New configure substitution
545 (build_libobjdir): New variable.
546 (BUILD_LIBIBERTY): Use it.
548 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
551 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
553 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
556 * c-common.c (handle_weakref_attribute): Ignore attribute in
557 the same conditions the alias attribute is ignored.
559 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
561 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
562 (dbxout_begin_prologue): Increment scope_labelno.
564 2006-07-17 Richard Henderson <rth@redhat.com>
567 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
570 2006-07-17 Roger Sayle <roger@eyesopen.com>
571 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
573 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
574 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
575 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
576 functions such as sbrk, write, etc.. Add function prototypes.
577 Convert function declarations from K&R to ISO C. Cast pointers
578 to "long" and "unsigned long" instead of "int" and "unsigned int".
579 Convert tokens following #endif into comments.
581 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
583 * invoke.texi: Remove mention of f77; Reformat table for
584 inline parameter options correctly; mention that -malign-double
585 is default on x86-64 targets.
587 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
589 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
590 (convert_affine_scev, chrec_convert_aggressive): Use
591 avoid_arithmetics_in_type_p. Do not check for the subtypes
594 2006-07-17 Richard Sandiford <richard@codesourcery.com>
597 * optabs.c (expand_doubleword_shift): Wrap the call to
598 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
600 2006-07-17 Richard Sandiford <richard@codesourcery.com>
603 * optabs.c (expand_binop): Pass next_methods rather than methods
604 to expand_doubleword_shift.
606 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
609 * tree.h (dump_addr): Declare.
610 * print-tree.c (dump_addr): New function.
611 (print_node_brief, print_node): Use it.
612 * print-rtl.c (print_rtx): Likewise.
613 * common.opt (-fdump-noaddr): New option.
614 * doc/invoke.texi (-fdump-noaddr): Document.
615 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
616 (ve_info_hash): Likewise.
618 2006-07-13 Andrew Haley <aph@redhat.com>
620 PR tree-optimization/19505
621 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
622 edge leaving this block, make sure that the destination of this
623 block has only one predecessor.
625 2006-07-17 Richard Guenther <rguenther@suse.de>
627 PR tree-optimization/28238
628 * tree-inline.c (copy_bb): Check if we produced valid
629 gimple copying and substituting a stmt. If not, gimplify
632 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
634 * optabs.c (maybe_encapsulate_block): New function extracted from...
635 (emit_libcall_block): ...here. Invoke it on the block of insns to
636 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
637 (emit_no_conflict_block): Likewise.
639 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
641 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
643 2006-07-15 Roger Sayle <roger@eyesopen.com>
645 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
646 a new NOP_EXPR case of the switch statement.
648 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
651 * stor-layout.c (place_field): Take the bit field with
652 an excessive size into account in the ms-bitfiled case.
655 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
656 the previous bit field.
658 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
661 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
663 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
665 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
666 signal frames correctly even when the signal was installed with
669 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
671 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
672 (dbxout_function_end): Use local label LFBB. Remove hook
674 (dbxout_source_line): Use local label LFBB.
675 (dbxout_block): Likewise.
676 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
677 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
678 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
681 2006-07-13 Janis Johnson <janis187@us.ibm.com>
683 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
685 2006-07-13 Jan Hubicka <jh@suse.cz>
687 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
689 * output.h (align_variable): Declare.
690 * varasm.c (align_variable): Export.
691 * value-prof.c (tree_value_profile_transformations): Recompute iterator
692 when basic block changed.
694 2006-07-13 Nick Clifton <nickc@redhat.com>
696 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
697 walking the LOG_LINKS chain.
699 2006-07-12 Geoffrey Keating <geoffk@apple.com>
701 * doc/invoke.texi (C++ Dialect Options): Explain difference
702 between -fvisibility-inlines-hidden and setting hidden
703 visibility explicitly.
705 2006-07-12 Eric Christopher <echristo@apple.com>
707 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
708 (stmp-lipo): Depend on libgcc.a.
710 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
712 * tree.c: Fix a comment typo.
714 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
716 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
718 (umulhisi3_r): Likewise.
720 2006-07-12 Paolo Carlini <pcarlini@suse.de>
723 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
724 x < 19, vs wchar_t support.
726 2006-07-12 Nick Clifton <nickc@redhat.com>
728 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
731 2006-07-12 Mike Stump <mrs@apple.com>
733 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
735 2006-07-10 Eric Christopher <echristo@apple.com>
737 * config/t-slibgcc-darwin: Rewrite.
739 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
742 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
745 2006-07-08 Matthias Klose <doko@debian.org>
747 * doc/sourcebuild.texi: Fix typo.
749 2006-07-07 Mike Stump <mrs@apple.com>
751 * toplev.c (process_options): Don't give -ffunction-sections may
752 affect debugging warning for Mach-O.
754 2006-07-07 James E Wilson <wilson@specifix.com>
756 * config/mips/mips.md (cpu): Add sb1a.
757 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
758 addition to sb1. Adjust comments to clarify SB-1A differences from
760 (ir_sb1a_load): New. Modify bypasses to use it.
761 (ir_sb1a_simple_alu): Likewise.
762 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
763 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
764 (mips_issue_rate): Add PROCESSOR_SB1A.
765 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
766 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
767 (TARGET_SB1): Add PROCESSOR_SB1A check.
768 (TUNE_SB1): Likewise.
770 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
771 * config/mips/mips.c (mips_store_data_bypass_p): New.
772 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
775 2006-07-08 Paul Brook <paul@codesourcery.com>
778 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
780 2006-07-07 Richard Guenther <rguenther@suse.de>
783 * tree.h (build_one_cst): Declare.
784 * tree.c (build_one_cst): New function.
785 * tree-ssa-math-opts.c (get_constant_one): Remove.
786 (insert_reciprocals): Use build_one_cst.
787 * fold-const.c (fold_plusminus_mult): Likewise.
789 2006-07-07 Roger Sayle <roger@eyesopen.com>
791 * pointer-set.c (pointer_set_destroy): Correct whitespace.
792 * cfgloopanal.c (dump_graph): Likewise.
793 * dojump.c (discard_pending_stack_adjust): Likewise.
794 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
796 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
797 * function.c (finalize_block_changes): Likewise.
798 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
799 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
800 * rtl.c (dump_rtx_statistics): Likewise.
801 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
803 * varray.c (dump_varray_statistics): Likewise.
804 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
805 decode_decimal64, encode_decimal128, decode_decimal128,
806 decimal_real_to_decimal): Likewise.
808 2006-07-07 Richard Guenther <rguenther@suse.de>
810 PR tree-optimization/28187
811 * tree-vrp.c (vrp_operand_equal_p): New function.
812 (vrp_bitmap_equal_p): Likewise.
813 (update_value_range): Use them to compare old and new
816 2006-07-06 Roger Sayle <roger@eyesopen.com>
818 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
819 a default case to switch statement to silence compiler warnings.
821 2006-07-06 Roger Sayle <roger@eyesopen.com>
824 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
825 the configured assembler supports the x87's ffreep mnemonic.
826 * configure: Regenerate.
827 * config.in: Regenerate.
829 * config/i386/i386.c (output_387_ffreep): New function.
830 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
831 (output_387_reg_move): Likewise.
833 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
835 Port to hosts whose 'sort' and 'tail' implementations
836 treat operands with leading '+' as file names, as POSIX
837 has required since 2001. However, make sure the code still
838 works on pre-POSIX hosts.
839 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
840 which says you should use "tail -c +N" rather than "tail +Nc".
841 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
843 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
845 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
848 2006-07-06 David Edelsohn <edelsohn@gnu.org>
851 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
852 PRE_{INC,DEC} of TFmode.
854 2006-07-06 David Edelsohn <edelsohn@gnu.org>
855 Alan Modra <amodra@bigpond.net.au>
858 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
861 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
864 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
865 Remove duplicate gtu.
867 2006-07-05 Jason Merrill <jason@redhat.com>
871 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
872 * c-common.c (handle_packed_attribute): So don't copy it here.
873 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
875 2006-07-05 Mike Stump <mrs@apple.com>
877 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
879 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
882 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
884 2006-07-05 Richard Guenther <rguenther@suse.de>
887 * config/i386/i386.md (*negdf2_1): Restrict pattern to
888 TARGET_SSE2 targets if using SSE math.
889 (*absdf2_1): Likewise.
891 2006-07-05 Richard Guenther <rguenther@suse.de>
893 PR tree-optimization/28162
894 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
895 make sure to convert the operands to the correct type.
897 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
899 PR tree-optimization/28218
901 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
902 to calculate and free the dominator information.
904 2006-07-04 Peter O'Gorman <peter@pogma.com>
906 * mklibgcc.in: chmod 644 before ranlib during install.
908 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
909 J"orn Rennecke <joern.rennecke@st.com>
911 * configure.ac (.eh_frame data check): Use diff -b.
913 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
916 * Makefile.in (BUILD_RTL): Add build/vec.o.
917 (build/gencondmd.o): Filter out -fkeep-inline-functions.
918 (build/genextract): Delete.
919 (build/genautomata): Likewise.
921 2006-07-04 Alan Modra <amodra@bigpond.net.au>
924 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
925 128-bit IBM long doubles for ABI_V4.
927 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
929 * tree.c (range_in_array_bounds_p): New predicate.
930 * tree.h (range_in_array_bounds_p): Declare it.
931 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
932 return a less conservative answer.
933 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
935 (IS_ELEMENT_FOR_GROUP): New macro.
936 (FOR_EACH_ACTUAL_CHILD): Likewise.
937 (next_child_for_group): New helper function.
938 (can_completely_scalarize_p): Take into account groups.
939 (sra_hash_tree): Handle RANGE_EXPR.
940 (sra_elt_eq): Likewise.
941 (lookup_element): Be prepared for handling groups.
942 (is_valid_const_index): Delete.
943 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
944 instead of is_valid_const_index.
945 <ARRAY_RANGE_REF>: New case.
946 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
947 is_valid_const_index.
948 <ARRAY_RANGE_REF>: Do not unconditionally punt.
949 (scan_dump): Dump info for groups too.
950 (decide_instantiation_1): Likewise.
951 (decide_block_copy): Assert that the element is not a group.
952 Propagate decision to groups.
953 (generate_one_element_ref): Handle RANGE_EXPR.
954 (mark_no_warning): Iterate over actual childs.
955 (generate_copy_inout): Likewise.
956 (generate_element_copy): Likewise.
957 (generate_element_zero): Likewise.
958 (generate_element_init_1): Likewise.
959 (dump_sra_elt_name): Handle RANGE_EXPR.
961 2006-07-03 Roger Sayle <roger@eyesopen.com>
963 PR tree-optimization/26251
964 * tree-ssa-threadupdate.c (redirection_block_p): New function.
965 (thread_block): When optimizing for size refuse to thread jumps
966 that would require duplication of blocks other than redirection
969 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
971 * configure.ac: Fix thinko in previous check-in.
972 * configure: Regenerate.
974 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
977 * configure.ac (for lang...): Simplify nesting of conditionals.
978 Test subdir_requires for non-enabled languages. Move processing
979 of lang_opt_files and lang_tree_fiels below that test.
980 * configure: Regenerate.
981 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
983 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
985 * doc/gcov.texi (Invoking Gcov): Add a missing word.
987 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
989 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
992 2006-06-29 Jason Merrill <jason@redhat.com>
999 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1000 * c-common.c (c_determine_visibility): Handle it here.
1001 * c-decl.c (finish_decl): Call c_determine_visibility for
1003 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1005 * varasm.c (default_assemble_visibility): Likewise.
1006 * c-common.c (handle_visibility_attribute): Complain about trying
1007 to give visibility to an already defined class, or trying to change
1008 declared visibility. Always attach the attribute.
1013 * attribs.c (decl_attributes): Ignore type-in-place attributes
1014 once the type has been defined.
1016 2006-06-29 Roger Sayle <roger@eyesopen.com>
1019 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1020 to indicate the cpplib has issued an error message for us.
1022 2006-06-29 Asher Langton <langton2@llnl.gov>
1025 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1026 insert a label at the end of an function under Mach-O.
1028 2006-06-29 Eric Christopher <echristo@apple.com>
1029 Evan Cheng <evan.cheng@apple.com>
1031 * predicates.md (vector_all_ones_operand): New.
1032 (nonimmediate_or_sse_const_operand): Ditto.
1033 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1034 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1035 (standard_sse_mode_p): Ditto.
1036 (standard_sse_constant_p): Add case for -1 vector.
1037 (ix86_expand_vector_move): Try to use.
1038 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1039 Call standard_sse_constant_opcode.
1040 (*movv4sf_internal): Ditto.
1041 (*movv2df_internal): Ditto.
1043 2006-06-29 Roger Sayle <roger@eyesopen.com>
1045 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1046 of XEXP to extract the operands of a MATCH_CODE rtx.
1048 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1050 * tree.c (tree_size): Do not waste tail padding in
1051 struct tree_string and make the size be the same as
1052 build_string will generate.
1054 2006-06-28 Jason Merrill <jason@redhat.com>
1057 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1058 may_aliases already in the tag's annotations to the bitmap.
1060 2006-06-28 Roger Sayle <roger@eyesopen.com>
1062 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1064 2006-06-28 Roger Sayle <roger@eyesopen.com>
1066 * genpreds.c (generate_switch_p): New function.
1067 (add_mode_tests): Push the new mode test down inside an AND expr
1068 if this allows the switch-suitable MATCH_CODE to be near the root.
1069 (write_match_code_switch): New function to write a MATCH_CODE as
1071 (write_predicate_stmts): New function to write a predicate RTX
1072 expression as a sequence of statements.
1073 (write_one_predicate_function): Use write_predicate_stmts.
1074 (write_tm_constrs_h): Likewise.
1076 2006-06-26 Fred Fish <fnf@specifix.com>
1078 * config/mips/t-sb1: New file.
1079 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1082 2006-06-26 DJ Delorie <dj@redhat.com>
1084 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1086 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1087 Jayant Sonar <jayants@kpitcummins.com>
1088 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1090 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1091 (subsi3, subsi3_1, subsi3_2): New.
1092 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1093 * config/m32c/mov.md (SI mov peephole): New.
1094 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1095 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1097 2006-06-26 Olivier Hainque <hainque@adacore.com>
1099 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1100 a CALL_EXPR target function declaration.
1102 2006-06-26 Richard Guenther <rguenther@suse.de>
1104 * tree.c (build_string): Do not waste tail padding in
1107 2006-06-26 Richard Guenther <rguenther@suse.de>
1109 * ggc-page.c (init_ggc): Add missing element to size_lookup
1113 2006-06-23 Richard Guenther <rguenther@suse.de>
1115 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1116 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1117 alignment requests instead. Add verification code.
1118 Add struct tree_function_decl and struct tree_binfo size to
1119 extra_order_size_table. Add missing element to size_lookup
1122 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1125 * fold-const.c (const_binop): Be prepared for self returning zero.
1126 Simplify code handling complex values.
1128 2006-06-24 Olivier Hainque <hainque@adacore.com>
1130 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1131 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1134 2006-06-24 Olivier Hainque <hainque@adacore.com>
1136 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1137 ARRAY_REF, so have the callback called for the low bound expression.
1139 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1141 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1142 * c-typeck.c (c_common_type): Disallow operations on decimal float
1143 types and other float types.
1144 * convert.c (convert_to_real): Don't ignore conversions involving
1145 decimal float types.
1147 2006-06-23 Olivier Hainque <hainque@adacore.com>
1149 * tree.c (max_int_size_in_bytes): New function, inspired from
1150 code in function.c:assign_temp.
1151 * tree.h (max_int_size_in_bytes): Declare.
1152 * function.c (assign_temp): Use it.
1153 * gimplify.c (create_tmp_var): Relax the assertions on the type
1154 properties, not mandating constant size any more.
1155 (force_constant_size): New static function.
1156 (gimple_add_tmp_var): Use it, forcing variable size to a
1157 constant upper bound if it is not constant on entry.
1159 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1162 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1163 for initialization and setting of one_only flag to ...
1164 (i386_pe_encode_section_info): ...here.
1165 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1166 Recheck that the symbol has not been defined.
1168 2006-06-23 Richard Guenther <rguenther@suse.de>
1170 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1171 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1172 alignment requests instead. Add verification code.
1173 Add struct tree_function_decl and struct tree_binfo size to
1174 extra_order_size_table. Add missing element to size_lookup
1177 2006-06-22 Roger Sayle <roger@eyesopen.com>
1178 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1181 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1182 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1184 2006-06-23 Ben Elliston <bje@au.ibm.com>
1186 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1187 negate dn -- manipulate it directly.
1189 2006-06-22 Roger Sayle <roger@eyesopen.com>
1190 Steven Bosscher <stevenb.gcc@gmail.com>
1193 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1194 generated by gen_move_insn to add REG_LABEL notes if necessary.
1196 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1198 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1199 (leaf_entry): Remove use of MIN_ESA.
1201 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1203 PR rtl-optimization/28121
1204 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1207 2006-06-21 DJ Delorie <dj@redhat.com>
1209 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1211 (mulhisi3_r): Likewise.
1213 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1216 * coverage.c (coverage_counter_alloc): Leave the index type
1218 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1221 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1223 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1224 section from the "Options for Code Generation Conventions".
1226 2006-06-21 Richard Henderson <rth@redhat.com>
1230 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1232 (global_symbolic_operand): Allow weak symbols, even if local_p.
1234 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1236 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1237 (find_interesting_uses_address): Punt if above function returns true.
1239 2006-06-21 Richard Guenther <rguenther@suse.de>
1241 * configure: Regenerated.
1243 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1245 * config/mips/mips.c (function_arg): Where one part of a
1246 complex argument is in registers and the other part in the stack,
1247 return a REG not a PARALLEL.
1249 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1251 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1252 when cross-compiling. Do not substitute libstdcxx_incdir.
1253 * configure: Regenerated.
1255 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1257 * varasm.c (mergeable_string_section): Check for embedded NULs and
1258 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1259 rather than TREE_STRING_LENGTH bytes.
1261 2006-06-21 Richard Guenther <rguenther@suse.de>
1263 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1264 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1267 2006-06-21 Richrad Guenther <rguenther@suse.de>
1269 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1270 Limit iteration over the dominators.
1272 2006-06-20 Roger Sayle <roger@eyesopen.com>
1274 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1275 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1277 2006-06-20 Richard Guenther <rguenther@suse.de>
1278 Michael Matz <matz@suse.de>
1280 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1282 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1283 * et-forest.h (et_free_pools): Prototype new function.
1284 * et-forest.c (et_free_tree_force): Free parent occurrence.
1285 (et_free_pools): New function.
1286 * dominance.c (free_dominance_info): Free et-forest alloc
1289 2006-06-20 Roger Sayle <roger@eyesopen.com>
1291 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1292 integer modes, attempt to directly construct an integer constant.
1294 * fold-const.c (native_encode_vector): Determine the size of each
1295 element from the vector type instead of the first vector element.
1297 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1298 if all of its elements/components are constant.
1299 (build_constructor_from_list): Likewise.
1301 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1303 PR tree-optimization/27331
1304 * tree-data-ref.c (free_data_ref): New function.
1305 (create_data_ref): Fail if the data reference has unknown access
1307 (free_data_refs): Use free_data_ref.
1309 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1312 * tree-inline.c (setup_one_parameter): Strip useless
1313 type conversion before adding it to the IR.
1314 (declare_return_variable): Likewise.
1316 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1319 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1321 2006-06-19 Mike Stump <mrs@apple.com>
1323 * tree.c (variably_modified_type_p): VM arguments don't make the
1326 2006-06-19 Richard Guenther <rguenther@suse.de>
1328 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1329 type conversions after folding.
1331 2006-06-19 Richard Guenther <rguenther@suse.de>
1333 * ggc-page.c (extra_order_size_tab): Add entries with
1334 size of struct function and basic_block.
1335 (size_lookup): Extend to cover sizes up to 511.
1336 (ggc_alloc_stat): Adjust user.
1337 (ggc_pch_count_object): Likewise.
1338 (ggc_pch_alloc_object): Likewise.
1339 (ggc_pch_write_object): Likewise.
1341 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1343 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1344 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1347 2006-06-19 Denis Chertykov <denisc@overta.ru>
1349 * config/avr/libgcc.S : Correct my wrong previous commit.
1351 2006-06-19 Roger Sayle <roger@eyesopen.com>
1354 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1355 have stripped a SUBREG from the shift count, so we may need to
1356 convert_to_mode back to the type's mode before calling make_tree.
1357 Use new_amount instead of amount to avoid expanding a tree twice.
1359 2006-06-19 Richard Guenther <rguenther@suse.de>
1362 * fold-const.c (operand_equal_p): Check if the argument types
1363 have the same precision before stripping NOPs.
1365 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1367 Fix PR tree-optimization/27341
1368 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1370 * tree-complex.c (pass_lower_complex): Update SMT usage.
1372 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1374 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1375 Add a new alternative to the constraint strings. Add move of
1376 operand 1 to 3 to the splitter definition.
1377 ("doloop_si_long"): Second contraint alternative removed.
1379 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1381 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1382 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1384 (AVR_HAVE_MOVW) Define.
1385 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1386 (ASM_SPEC): Add avr25.
1387 (LINK_SPEC): Add avr25.
1388 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1389 (base_arch_s): Add new member 'have_movw_lpmx'.
1390 (avr_arch_types): Init 'have_movw_lpmx'.
1391 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1392 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1393 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1394 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1395 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1397 (avr_file_start): Do not output '.arh' derective.
1398 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1399 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1400 * config/avr/avr.md (mcu_enhanced): Delete.
1401 (mcu_have_movw): Define.
1402 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1403 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1404 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1405 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1406 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1407 attiny861 and at86rf401 devices.
1409 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1411 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1414 2006-06-17 Karl Berry <karl@gnu.org>
1416 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1417 doc/gccint.texi, doc/install.texi (@dircategory): Use
1418 "Software development" instead of "Programming", following
1419 the Free Software Directory.
1421 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1423 * config/i386/i386.c (legitimate_tls_address)
1424 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1425 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1426 (*tls_dynamic_gnu2_combine_64): Likewise.
1428 2006-06-16 Richard Guenther <rguenther@suse.de>
1431 * fold-const.c (negate_expr_p): Do not introduce undefined
1432 overflow in negating INTEGER_CSTs.
1433 (fold_negate_expr): Rename from negate_expr. Revert last
1434 change for folding BIT_NOT_EXPR. Change semantics to
1435 return NULL_TREE for non-simplified negations. Do not
1436 strip type conversions and unify type handling.
1437 (negate_expr): New function, wrap around fold_negate_expr
1438 but ensure building a tree always. Strip type conversions
1439 here, fold to result type.
1440 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1442 2006-06-16 Roger Sayle <roger@eyesopen.com>
1445 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1446 that (would) return their results in stack registers.
1448 2006-06-16 Michael Matz <matz@suse.de>
1449 Richard Guenther <rguenther@suse.de>
1451 * fold-const.c (fold_truthop): Only return new tree node if
1452 we canonicalized something.
1454 2006-06-16 Richard Guenther <rguenther@suse.de>
1456 * function.h (enum function_frequency): Move declaration
1457 out of struct function.
1458 (struct function): Move bool fields and the enum to the bitfield
1459 section. Reorder elements to avoid padding. Remove unused
1460 fields left over from the RTL inliner removal.
1461 * function.c (free_after_compilation): Do not zero removed fields.
1462 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1463 (ipa-type-escape.o): Likewise.
1465 2006-06-16 Richard Guenther <rguenther@suse.de>
1467 * cgraph.h (struct cgraph_local_info): Turn bool elements
1469 (struct cgraph_node): Likewise.
1470 (struct cgraph_varpool_node): Likewise.
1472 2006-06-15 Richard Guenther <rguenther@suse.de>
1474 * fold-const.c (fold_truth_not_expr): Rename from
1475 invert_truthvalue. Give it fold_* semantics to avoid
1477 (invert_truthvalue): New function. Wrapper around
1478 fold_truth_not_expr.
1479 (optimize_minmax_comparison): Avoid creating garbage.
1480 (fold_unary): Use fold_truth_not_expr for folding
1482 (fold_ternary): Replace uses of invert_truthvalue with
1483 fold_truth_not_expr where applicable.
1484 * tree.h (fold_truth_not_expr): Prototype.
1486 2006-06-16 Richard Guenther <rguenther@suse.de>
1488 PR tree-optimization/27781
1489 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1490 * ipa-pure-const.c (target.h): Include.
1491 (analyze_function): Do not analyze functions that do not
1494 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1497 * tree-dfa.c (referenced_vars_dup_list): Remove.
1498 (find_referenced_vars): Remove assert.
1499 (referenced_var_check_and_insert): Replace dup list with assert.
1500 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1501 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1503 2006-06-15 Richard Guenther <rguenther@suse.de>
1505 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1506 extra unused identifiers if not dumping.
1507 (create_variable_info_for): Likewise.
1509 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1511 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1512 (derive_constant_upper_bound): Derive more precise upper bound in
1513 common cases. Return type changed to double_int.
1514 (record_estimate): Reflect the changed return type of
1515 derive_constant_upper_bound.
1516 * double-int.c (double_int_zext, double_int_sext): Fix.
1518 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1520 * configure.ac (CFLAGS): Get them from the toplevel or from the
1521 configure invocation.
1522 * configure: Regenerate.
1523 * Makefile.in (CFLAGS): Substitute value provided by configure.
1525 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1528 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1529 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1530 rather than calling add_stmt on it.
1531 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1533 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1536 * reload1.c (reload): Remove registers returned by update_eliminables
1537 from used_spill_regs.
1539 2006-06-13 DJ Delorie <dj@redhat.com>
1541 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1543 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1545 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1546 html__strip_dir, html__mkdir_p. Enhance install-html target.
1547 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1548 * configure: Regenerate.
1550 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1552 * fold-const.c (fold_cond_expr_with_comparison): Check for
1553 Objective-C++ as language in deciding COND_EXPR transformation.
1555 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1558 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1559 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1560 * config/sh/lib1funcs.h (SL, SL1): Define.
1561 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1562 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1563 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1564 (OBJS_Os_4_200): New variable.
1565 ($(T)libgcc-Os-4-200.a): Use it.
1566 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1567 when dividing 1 and/or by 0.
1569 2006-06-13 Roger Sayle <roger@eyesopen.com>
1571 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1572 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1573 * configure: Regenerate.
1575 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1577 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1578 for real instruction.
1580 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1583 * haifa-sched.c (check_cfg): Handle special case.
1585 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1588 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1589 Add debug_info parameter. Chain the vars to the BLOCK instead
1590 of the BIND_EXPR if debug info are requested for them.
1591 (pop_gimplify_context): Adjust for above change.
1592 (gimple_add_tmp_var): Likewise.
1593 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1595 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1596 (convert_local_reference): Likewise.
1597 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1598 (finalize_nesting_tree_1): Request that debug info be emitted
1599 for debug_var_chain.
1601 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1603 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1604 for PR target/27863.
1606 2006-06-13 Richard Guenther <rguenther@suse.de>
1609 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1611 2006-06-13 Richard Guenther <rguenther@suse.de>
1613 PR tree-optimization/27830
1614 * tree-inline.c (copy_body_r): For copying the operand
1615 of an ADDR_EXPR make sure to fold &* afterwards.
1617 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1619 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1620 lvalues in the fb_none case with side-effects.
1622 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1624 * tree-flow.h: Remove the prototype for
1625 compute_phi_arg_on_exit.
1626 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1627 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1630 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1632 * builtins.c (expand_builtin_return_addr): Only use
1633 frame_pointer_rtx when count == 0 and we are expanding
1634 __builtin_return_address.
1636 2006-06-12 Fred Fish <fnf@specifix.com>
1638 * config/mips/mips.c (mips_file_start): Create special section
1639 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1641 2006-06-11 Eric Christopher <echristo@apple.com>
1644 * stor-layout.c (place_field): Remove check for
1645 remaining_in_alignment when aligning at the end of a run.
1647 2006-06-11 Eric Christopher <echristo@apple.com>
1650 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1653 2006-06-11 Roger Sayle <roger@eyesopen.com>
1656 Revert incorrect fix for PR target/27158
1657 2006-05-08 Roger Sayle <roger@eyesopen.com>
1658 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1659 of a reg_equiv_constant if the result is a legitimate constant.
1661 2006-06-11 Roger Sayle <roger@eyesopen.com>
1664 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1665 extract a CONST_VECTOR element and interpret it as an integer.
1666 (vspltis_constant): Use const_vector_elt_as_int instead of the
1667 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1668 * config/rs6000/predicates.md (easy_vector_const): Consider
1669 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1671 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1674 * stor-layout.c (update_alignment_for_field): Don't add extra
1675 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1678 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1680 * config/mips/t-rtems: Add EL/EB multilib variants.
1682 2006-06-09 Mike Stump <mrs@apple.com>
1684 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1686 2006-06-09 David Daney <ddaney@avtrex.com>
1688 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1690 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1692 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1694 2006-06-09 Richard Guenther <rguenther@suse.de>
1696 PR tree-optimization/26998
1697 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1698 of signed types, only TYPE_MIN_VALUE is special, but for both,
1699 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1700 in this case, as is -fwrapv.
1702 2006-06-08 Mike Stump <mrs@apple.com>
1705 * config/darwin.c (darwin_asm_output_anchor): Disable
1706 -fsection-anchors on darwin for now.
1707 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1708 * rs6000/rs6000.c (optimization_options): Likewise.
1710 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1713 * config/i386/i386.c (classify_argument): Skip fields with invalid
1716 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1718 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1719 (cse_insn): Likewise for the stack_pointer_rtx.
1721 2006-06-08 Roger Sayle <roger@eyesopen.com>
1723 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1724 conditions from floating point comparisons.
1726 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1729 * expmed.c (struct alg_hash_entry): Fix type of field T
1730 to match synth_mult argument.
1731 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1733 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1736 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1739 2006-06-08 Richard Guenther <rguenther@suse.de>
1742 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1743 only, if overflow is defined and not trapping.
1744 (negate_expr): Likewise.
1746 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1748 PR tree-optimization/27872
1749 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1750 flag on the new exit edge of the unrolled loop.
1752 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1754 PR rtl-optimization/26449
1755 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1757 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1760 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1761 referenced_variables with matching DECL_UID's.
1762 (find_referenced_vars): Make sure duplicate list is empty to start.
1763 (referenced_var_p): Remove.
1764 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1765 Check if var is in the list, and add if needed. Update the duplicate
1766 list if a different var is in the list with the same DECL_UID.
1767 (add_referenced_var): Call routine to check and insert.
1768 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1769 * tree-flow.h (referenced_vars_dup_list): External declaration.
1771 2006-06-07 Fred Fish <fnf@specifix.com>
1773 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1776 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1779 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1780 the imaginary and real parts of a clobbered register.
1781 Emit insn to set the imaginary part.
1783 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1785 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1786 in lieu of unwind-dw2-fde.c.
1788 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1790 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1792 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1795 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1796 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1797 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1798 V4SImode temporaries and operations instead.
1800 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1802 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1805 2006-06-06 Mike Stump <mrs@apple.com>
1807 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1808 installing during build.
1810 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1812 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1814 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1815 * config/ia64/ia64.c (params.h): New header.
1816 (ia64_optimization_options): New function to adjust parameters.
1817 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1818 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1819 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1821 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1823 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1825 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1828 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1830 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1831 Victor Kaplansky <victork@il.ibm.com>
1833 PR tree-optimization/26360
1834 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1837 2006-06-04 Roger Sayle <roger@eyesopen.com>
1838 Andrew Pinski <pinskia@physics.uc.edu>
1841 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1842 for LABEL_DECL before calling DECL_WEAK.
1845 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1846 LABEL_DECL and PARM_DECL.
1848 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1852 * c-decl.c (grokdeclarator): Disallow variably modified types at
1853 file scope. Avoid marking shared array type of constant size as
1856 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1859 * c-common.c (fold_offsetof_1): Handle static members.
1861 2006-06-04 Eric Christopher <echristo@apple.com>
1863 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1864 (debug_rli): Output value for remaining_in_alignment.
1865 (update_alignment_for_field): Unconditionalize
1866 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1867 extra alignment code.
1868 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1869 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1870 * tree.h (record_layout_info_s): Remove prev_packed.
1871 * doc/extend.texi (ms_struct): Add documentation of format.
1873 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1875 * tree.h: Declare folding_initializer.
1876 * builtins.c (fold_builtin_constant_p): Give definite answer
1877 if folding inside an initializer.
1878 * fold-const.c: Define folding_initializer.
1879 (START_FOLD_INIT): Save and then set folding_initializer.
1880 (END_FOLD_INIT): Restore folding_initializer.
1882 2006-06-04 Richard Guenther <rguenther@suse.de>
1884 PR tree-optimization/27039
1885 * fold-const.c (fold_comparison): Handle pointer comparison
1886 again for all comparison codes. Compare offsets in signed
1888 (fold_binary): Move code from here.
1890 2006-06-03 Roger Sayle <roger@eyesopen.com>
1893 * config/i386/i386.c (construct_container): Split static issued_error
1894 flag into issued_sse_arg_error, issued_sse_ret_error and
1895 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1896 requires the use of x87 registers and the user explicitly
1897 specified the -mno-80387 command line option.
1899 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1901 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1902 HAVE_DECL_SIGALTSTACK.
1904 (segv_handler): Use MC_FLD.
1905 * configure.ac: Check for a sigaltstack declaration.
1906 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1907 * configure: Regenerate.
1908 * config.in: Regenerate.
1910 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1913 * Makefile.in (stmp-fixinc): Fix typo.
1915 2006-06-02 Roger Sayle <roger@eyesopen.com>
1917 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1918 are type correct. Clean-up.
1919 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1920 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1922 2006-06-01 DJ Delorie <dj@redhat.com>
1924 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1925 shift, as we've disabled the "switch" insn that needs it.
1927 2006-06-01 Per Bothner <bothner@bothner.com>
1929 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1930 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1931 * c-ppoutput.c (cb_define): Don't increment line 0.
1933 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1935 * doc/invoke.texi: Add cpu_type power6.
1936 * config.gcc: Add cpu_type power6.
1937 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1938 to power5+ with Altivec.
1939 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1940 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1942 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1944 * config/avr/avr.h (SET_ASM_OP): Define.
1946 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1948 * config/bfin/bfin.c: Fix comment typos.
1950 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1953 * doc/install.texi: Document --enable-bootstrap and
1954 --disable-bootstrap.
1956 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1958 * doc/install.texi: Document that InfoZIP can replace jar.
1960 2006-05-31 Roger Sayle <roger@eyesopen.com>
1962 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1963 isn't available, directly generate the simpler x87 patterns without
1964 the (use (const_int 0)).
1965 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1966 implementation isn't available.
1967 (*negdf2_1): Likewise.
1968 (*negxf2_1): XF mode negation is always done using the x87.
1969 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1971 2006-05-31 Roger Sayle <roger@eyesopen.com>
1973 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1974 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1976 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1978 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1980 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1981 * config/bfin/bfin.c (basic-block.h): Include.
1982 (struct machine_function): New.
1983 (bfin_init_machine_status): New.
1984 (override_options): Initialize init_machine_status.
1985 (bfin_hardware_loop): New.
1986 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1987 (DEF_VEC_P (loop_info)): New.
1988 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1989 (struct loop_info): New.
1990 (loop_info): New typedef.
1991 (struct loop_work): New.
1992 (loop_work): New typedef.
1993 (DEF_VEC_O (loop_work)): New.
1994 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1995 (bfin_dump_loops): New.
1996 (bfin_bb_in_loop): New.
1997 (bfin_scan_loop): New.
1998 (bfin_optimize_loop): New.
1999 (bfin_reorg_loops): New.
2000 (bfin_reorg): Use bfin_reorg_loops.
2001 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2003 (I_REGNO_P): Simplify.
2004 (DP_REGNO_P, DPREG_P): New macros.
2005 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2006 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2007 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2008 Add LT_REGS, LC_REGS, LB_REGS.
2009 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2011 (REGNO_REG_CLASS): Deal with loop registers.
2012 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2014 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2015 New constants for loop registers.
2016 (UNSPEC_LSETUP_END): New.
2017 (seq_insns): New define_attr. Set it for appropriate insns.
2018 (movsi_insn): Add alternatives for move from/to
2019 loop count registers.
2020 (doloop_end): New define_expand.
2021 (loop_end): New define_insn.
2022 (define_split for bad doloop_end): New.
2023 (lsetup_with_autoinit): New define_insn.
2024 (lsetup_without_autoinit): New define_insn.
2025 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2026 * config/bfin/predicates.md (lc_register_operand): New.
2027 (lt_register_operand): New.
2028 (lb_register_operand): New.
2029 (nondp_register_operand): New.
2030 (nondp_reg_or_memory_operand): New.
2031 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2033 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2035 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2036 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2038 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2040 * Makefile.in (CATALOGS): Add po/ prefix.
2041 * configure: Regenerated.
2043 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2046 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2047 a shift operand before calling shift_op. Avoid redundant call of
2050 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2051 DJ Delorie <dj@redhat.com>
2053 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2054 we're inserting is a singlt-bit constant.
2056 2006-05-30 Roger Sayle <roger@eyesopen.com>
2058 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2059 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2061 2006-05-30 Roger Sayle <roger@eyesopen.com>
2063 PR tree-optimization/23452
2064 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2065 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2066 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2067 complex values and with -ffast-math for FP complex values.
2069 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2071 * c-common.h: Remove the prototype for yyparse.
2072 * rtl.h: Remove the prototype for init_loop.
2074 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2076 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2079 2006-05-30 Roger Sayle <roger@eyesopen.com>
2081 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2083 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2084 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2086 2006-05-30 Dirk Mueller <dmueller@suse.de>
2089 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2090 for CONSTANT_CLASS_P expresisons.
2092 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2095 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2097 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2099 PR tree-optimization/27779
2100 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2101 initial_condition instead of CHREC_LEFT.
2103 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2105 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2106 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2107 Make prototypes ISO C90.
2109 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2110 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2112 * see.c (see_analyze_one_def): Correct check.
2113 (see_get_extension_data): Check if extension is parallel.
2114 (see_get_extension_reg): Likewise.
2116 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2119 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2120 into register for (code == GTU).
2122 2006-05-29 Roger Sayle <roger@eyesopen.com>
2124 PR tree-optimization/24964
2125 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2126 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2127 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2128 abs(x)*abs(x) as x*x for scalar floating point modes.
2130 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2133 * lambda-code.c (perfect_nestify): Don't copy statements
2134 in the inner loop: move them to the inner loop header.
2136 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2139 * c-tree.texi: Document OpenMP directives and clauses.
2141 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2143 * varasm.c (globalize_decl): Fix indentation.
2145 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2148 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2149 pass_fre, pass_store_ccp, pass_copy_prop,
2150 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2151 pass_return_slot, pass_object_size, pass_lim,
2152 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2153 pass_loop_prefetch and pass_stdarg.
2155 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2157 * config/bfin/bfin.opt (mfdpic): New option.
2158 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2159 (EXTRA_MULTILIB_PARTS): Likewise.
2160 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2161 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2163 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2164 (CRT_CALL_STATIC_FUNCTION): New.
2165 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2167 (CRT_CALL_STATIC_FUNCTION): New.
2168 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2170 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2171 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2172 (initialize_trampoline): Changed to handle FD-PIC code generation.
2173 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2174 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2175 (override_options): Disallow -mid-shared-library -mfdpic combination.
2176 Can't do unaligned ops if FD-PIC.
2177 Turn off flag_pic if trying to generate non-id-shared-library
2178 non-fdpic code, since it's not supported.
2179 (bfin_assemble_integer): New function.
2180 (TARGET_ASM_INTEGER): Define.
2181 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2183 * config/bfin/crtn.s: Restore them.
2184 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2186 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2187 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2188 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2189 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2190 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2192 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2193 FDPIC_REGS and FDPIC_FPTR_REGS.
2194 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2195 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2196 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2197 (load_funcdescsi): New pattern.
2198 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2199 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2200 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2202 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2204 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2207 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2209 * tree-flow.h: Remove the prototype for add_type_alias.
2210 * tree-ssa-alias.c (add_type_alias): Remove.
2212 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2214 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2215 config/fr30/fr30.md, config/i386/i386-interix.h,
2216 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2217 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2218 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2219 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2220 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2221 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2222 Follow spelling conventions.
2223 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2224 Follow spelling conventions.
2226 2006-05-27 Richard Guenther <rguenther@suse.de>
2229 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2230 to produce a constant of value 1 of generic type.
2232 2006-05-27 Dirk Mueller <dmueller@suse.de>
2234 * cgraphunit.c (decide_is_function_needed): Fix wrong
2237 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2239 PR rtl-optimization/27661
2240 * reload.c (find_reloads): When reloading a VOIDmode constant
2241 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2242 use Pmode as mode of the reload register.
2244 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2246 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2247 is enabled at -O and above.
2249 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2252 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2255 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2258 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2259 for anonymous variables explicitly declared by front ends.
2261 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2263 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2264 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2265 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2266 ref-all pointers, run a finalization pass for them.
2267 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2268 (finalize_ref_all_pointers): New function.
2269 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2270 regular pointer type to a ref-all pointer type.
2271 (get_tmt_for): Return the special memory tag for ref-all pointers.
2273 2006-05-25 Richard Guenther <rguenther@suse.de>
2276 * fold-const.c (fold_binary): Do not look at the stripped
2277 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2279 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2281 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2282 for LT and GT if the computed range is effectively empty.
2284 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2287 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2288 mips_quad_format formats instead of ieee_single_format,
2289 ieee_double_format and ieee_quad_format formats, respectively.
2291 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2293 PR tree-optimization/27639
2294 PR tree-optimization/26719
2295 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2296 call to scev_probably_wraps_p.
2297 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2298 used_in_pointer_arithmetic_p, convert_step): Removed.
2299 (nowrap_type_p): New function.
2300 (scev_probably_wraps_p): Rewritten.
2301 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2302 chrec_convert if chrec_convert_aggressive might have been used.
2303 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2304 scev_direction): New functions.
2305 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2306 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2307 instead of convert_step.
2308 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2309 (convert_step): Declaration removed.
2310 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2312 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2314 * df-core.c: Added to header comments.
2315 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2316 df_ur_bb_info, df_urec_bb_info): Added comments.
2317 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2318 urec, ri problems): Fixed header comments.
2319 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2320 code from df_rd_transfer_function.
2322 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2324 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2325 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2326 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2328 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2330 * expr.c (undefined_operand_subword_p): New.
2331 (emit_move_multi_word): Do not generate move from undefined bits
2332 of a paradoxical subreg.
2334 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2336 PR rtl-optimization/27736
2337 * combine.c (replaced_rhs_value): New variable.
2338 (combine_instructions): Set it.
2339 (distribute_notes): When distributing a note in replaced_rhs_insn,
2340 check whether the value was used in replaced_rhs_value.
2342 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2345 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2346 add_referenced_var instead of add_referenced_tmp_var.
2347 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2348 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2350 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2351 tree_optimize_tail_calls_1): Use add_referenced_var.
2352 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2353 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2354 Use add_referenced_var.
2355 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2356 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2357 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2358 Use add_referenced_var.
2359 * tree-dfa.c (struct walk_state): Remove.
2360 (find_referenced_vars): Remove walk state and vars_found hash table.
2361 (make_rename_temp): Use add_referenced_var.
2362 (find_vars_r): Pass less parameters to add_referenced_var.
2363 (referenced_var_p): New. Is var in referenced_var hash table.
2364 (referenced_var_insert): Assert var isn't already in hash table.
2365 (add_referenced_var): Don't need walk_state parameter. Add var if it
2366 isn't already in the hash table.
2367 (add_referenced_tmp_var): Remove.
2368 (find_new_referenced_vars_1): Use add_referenced_var.
2369 * tree-ssa-pre.c (create_expression_by_pieces,
2370 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2371 Use add_referenced_var.
2372 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2373 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2374 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2376 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2377 vect_create_data_ref_ptr, vect_create_destination_var,
2378 vect_init_vector, vect_build_loop_niters,
2379 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2380 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2381 Use add_referenced_var.
2382 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2383 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2384 (add_referenced_var): Add prototype.
2385 * tree-ssa-structalias.c (get_constraint_for,
2386 intra_create_variable_infos): Use add_referenced_var.
2388 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2390 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2391 big-endian paradoxical subregs.
2392 * var-tracking.c (struct micro_operation_def): Document that,
2393 for modify micro operations, insn is the subsequent instruction.
2394 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2395 (var_reg_set, var_mem_set): ... new functions.
2396 (add_stores): Record subsequent insn.
2397 (compute_bb_dataflow): Use new functions for MO_USE.
2398 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2399 notes after the insn, and modify notes before the insn known
2400 to be the subsequent one.
2401 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2403 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2406 * config/i386/i386.c (ix86_expand_builtin): Use
2407 gen_sse3_monitor64 for TARGET_64BIT.
2409 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2411 PR rtl-optimization/26375
2412 PR rtl-optimization/26855
2413 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2415 (df_ru_bb_local_compute): Reversed statements and removed bogus
2416 comment explaining why they should be in wrong order.
2417 (df_ru_dump, df_rd_dump): Enhanced debug info.
2418 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2420 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2421 reaching uses and fixed space problem.
2423 2006-05-23 Jan Hubicka <jh@suse.cz>
2425 * cgraphunit.c (decide_is_function_needed): Also nested functions
2426 and functions declared inline can be optimized out at -O0.
2428 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2430 * doc/install.texi (Configuration): Remove reference to CrossGCC
2434 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2437 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2438 ix86_compare_emitted is non-NULL.
2440 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2443 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2446 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2448 PR rtl-optimization/25514
2449 * combine.c (replaced_rhs_insn): New variable.
2450 (combine_instructions): Set replaced_rhs_insn when trying to replace
2451 a SET_SRC with a REG_EQUAL note.
2452 (distribute_notes): Use replaced_rhs_insn when determining the live
2453 range of a REG_DEAD register.
2455 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2456 Anatoly Sokolov <aesok@post.ru>
2458 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2459 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2460 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2461 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2462 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2463 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2464 at90usb647, at90usb1286 and at90usb1287 devices.
2465 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2466 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2468 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2470 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2472 2006-05-22 Richard Guenther <rguenther@suse.de>
2475 2006-01-31 Richard Guenther <rguenther@suse.de>
2476 Paolo Bonzini <bonzini@gnu.org>
2478 * doc/install.texi (--disable-libgcc-math): Document.
2480 2006-05-22 Richard Guenther <rguenther@suse.de>
2483 2006-01-31 Richard Guenther <rguenther@suse.de>
2485 * doc/invoke.texi (-msselibm): Document.
2486 * target.h (expand_library_builtin): New target hook.
2487 * builtins.c (expand_builtin): Use expand_library_builtin.
2488 (default_expand_library_builtin): New function.
2489 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2490 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2491 (link_gcc_math_spec): Declare.
2492 (static_specs): Add link_gcc_math_spec.
2493 * expr.h (default_expand_library_builtin): Declare.
2494 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2495 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2496 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2497 * config/i386/i386.opt (msselibm): New target option.
2498 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2499 (ix86_init_sse_abi_builtins): New function.
2500 (ix86_expand_library_builtin): Likewise.
2501 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2502 (override_options): Handle error conditions wrt -msselibm.
2503 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2504 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2505 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2508 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2511 * c-common.c (self_promoting_args_p): Skip erroneous args.
2514 * c-decl.c (finish_struct): Skip erroneous fields.
2516 2006-05-22 Nick Clifton <nickc@redhat.com>
2518 * config/cris/cris.opt (march): Remove VarExists attribute.
2519 (max-stackframe=): Likewise.
2521 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2523 * doc/rtl.texi: Fix a typo.
2524 * see.c: Fix comment typos.
2526 * tree-ssa-structalias.h (alias_info): Remove num_references.
2528 2006-05-21 Mike Stump <mrs@apple.com>
2530 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2532 (darwin_pragma_options): Use BAD instead.
2533 (darwin_pragma_unused): Likewise.
2534 (darwin_pragma_ms_struct): Likewise.
2536 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2538 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2540 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2542 PR rtl-optimization/27671
2543 * simplify-rtx.c (simplify_relational_operation_1): Fix
2544 simplifications of (eq/ne (xor x y) y) and
2545 (eq/ne (xor x y) x).
2547 PR tree-optimization/26622.
2548 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2551 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2553 * tree-cfg.c: Prune whitespace.
2554 (debug_tree_cfg): Point to correct header containing the
2557 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2560 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2562 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2565 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2566 or sorry count is non zero.
2568 2006-05-20 Andreas Schwab <schwab@suse.de>
2570 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2572 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2573 Kenneth Zadeck <zadeck@naturalbridge.com>
2575 PR rtl-optimization/26855
2577 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2579 (df_scan_alloc): Added code to properly handle multiword hard
2580 registers and add all_blocks parameter.
2581 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2582 code to properly handle multiword hard registers.
2583 (df_rescan_blocks): Added code to remove deleted blocks from
2585 (df_ref_create_structure, df_ref_record): Added code to properly
2587 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2588 and set DF_REF_PARTIAL.
2589 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2590 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2591 (df_scan_add_problem): Added flags parameter.
2592 (df_ref_create_structure): Changed switching structure.
2593 (df_bb_refs_record): Fixed case where duplicate artificial refs
2594 were created. Changed location of flags.
2595 (df_record_entry_block_defs): Added code to make stack pointer
2596 live in entry block. Refined cases where frame pointer is needed.
2597 Changed location of flags.
2598 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2599 (df_set_state): Removed function.
2600 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2601 df_insn_create_insn_record, df_insn_refs_delete,
2602 df_ref_create_structure): Formatting changes.
2603 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2604 df_delete_basic_block): New function.
2605 (df_init): Changed location of flags.
2606 (df_add_problem): Added flags parameter and the way flags are
2608 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2609 debug_df_chain): Improved debugging output.
2610 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2611 (df_refs_chain_dump): Removed df parameter.
2612 (df_iterative_dataflow): Added consistency check.
2613 (df_prune_to_subcfg): Made public.
2614 (df_analyze_problem): Added blocks_to_init parameter and made
2616 (df_ref_record, df_bb_refs_record, df_mark_reg,
2617 df_record_exit_block_uses): Whitespace changes.
2618 (df_dump): Whitespace changes.
2619 * df.h: Some reordering to remove forward references.
2620 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2621 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2622 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2623 (dataflow.flags): New field.
2624 (df.flag): Deleted field.
2625 (df_alloc_function): Added additional bitmap parameter.
2626 (df_dependent_problem_function): New type.
2627 (df_problem.changeable_flags): New field.
2628 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2629 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2630 (df_mw_hardreg): New struct.
2631 (DF_INSN_UID_MWS): New macro.
2632 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2634 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2635 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2636 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2637 (df_set_state): Removed function.
2638 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2639 * df-problems.c (df_chain_dump): Removed df parameter.
2640 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2641 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2643 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2644 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2645 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2646 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2647 DF_REF_MUST_CLOBBER cases.
2648 (df_ru_bb_local_compute_process_def,
2649 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2650 df_lr_bb_local_compute, df_ur_bb_local_compute,
2651 df_chain_create_bb): Made subreg aware.
2652 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2653 df_lr_bb_local_compute, df_lr_bb_local_compute,
2654 df_chain_create_bb): Cleanup to use proper macros.
2655 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2656 code to fixup bitvectors.
2657 (df_ri_alloc): Cleared lifetime.
2658 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2659 df_create_unused_note): New function.
2660 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2661 REG_DEAD and REG_UNUSED notes as well as register information.
2662 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2663 df_chains_dump): Fixed crash if problem was never run.
2664 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2665 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2666 df_ri_add_problem): Processes flags in uniform manner.
2667 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2668 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2669 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2670 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2671 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2672 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2673 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2674 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2675 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2676 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2677 * see.c (see_initialize_data): Ditto.
2678 * final.c (rest_of_clean_state) Added regstack_completed.
2679 * rtl.h (regstack_completed): Ditto.
2680 * reg-stack.c (regstack_completed): Ditto.
2682 2006-05-19 Mike Stump <mrs@apple.com>
2684 * c-tree.h (default_conversion): Remove.
2685 * c-common.h (default_conversion): Add.
2687 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2689 * tree-vrp.c (valid_value_p): New function.
2690 (adjust_range_with_scev): Fail if the value of bound is not
2693 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2695 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2696 (mips_fallback_frame_state): Use syscall numbers to determine
2697 the appropriate li instruction for the current ABI. Only use
2698 __NR_sigreturn for o32.
2700 2006-05-19 Nicolas Setton <setton@adacore.com>
2702 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2703 * langhooks.c (lhd_dwarf_name): New function.
2704 * langhooks-def.h (lhd_dwarf_name): Declare.
2705 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2706 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2707 * ada/misc.c (gnat_dwarf_name): New function.
2708 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2710 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2712 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2714 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2715 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2716 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2717 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2718 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2719 determine the size of Wtype, etc.
2720 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2721 (swfloatfuncs): New variable.
2722 (dwfloatfuncs): Likewise.
2723 (lib2funcs): Remove floating-point conversion functions from
2724 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2725 the set of conversion routines needed. Allow entries to specify
2726 an object name, filename and word size. Update users accordingly.
2727 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2728 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2732 2006-02-08 Roger Sayle <roger@eyesopen.com>
2735 * config/fixtfdi.c: New libgcc source file.
2736 * config/fixunstfdi.c: New source file.
2737 * config/floatditf.c: New source file.
2738 * config/floatunditf.c: New souce file.
2739 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2740 files above instead of config/mips/_tilib.c.
2741 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2743 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2745 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2746 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2748 2006-05-18 Mike Stump <mrs@apple.com>
2750 Fix up vla, vm and [*] sematics.
2756 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2757 (c_vla_unspec_p): Add.
2758 (c_vla_type_p): Add.
2759 * c-decl.c (struct c_scope): Add had_vla_unspec.
2760 (build_array_declarator): Add support for [*].
2761 (grokdeclarator): Likewise.
2762 (grokparms): Likewise.
2763 (get_parm_info): Likewise.
2764 * c-objc-common.c (c_vla_unspec_p): Likewise.
2765 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2766 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2767 typeof when argument is a variably modified type not inside sizeof or alignof.
2768 (c_parser_direct_declarator_inner): Propagate errors.
2769 (c_parser_sizeof_expression): Add support for [*].
2770 (c_parser_parms_declarator): Initialize had_vla_unspec.
2771 (c_parser_parms_list_declarator): Likewise.
2772 * c-typeck.c (c_vla_type_p): Add.
2773 (composite_type): Add support for vla compositing.
2774 (comptypes_internal): Add support for vla compatibility.
2775 (c_expr_sizeof_expr): Evaluate vla arguments.
2776 * tree.c (variably_modified_type_p): Update comment for [*].
2778 2006-05-18 Michael Matz <matz@suse.de>
2781 * config.host: Make assignments to host_xmake_file cumulative.
2782 * config.host (*-darwin*): Test $host, not $target.
2784 2006-05-12 Stuart Hastings <stuart@apple.com>
2786 * config/i386/i386.opt (-mstackrealign): New flag.
2787 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2788 (ix86_handle_cconv_attribute): Emit error when
2789 force_align_arg_pointer attribute collides with too many regparms.
2790 (ix86_function_regparm): Limit regparms when used with
2791 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2792 Support stack-realigning prologue in non-main functions. Emit
2793 warning for nested functions under -mstackrealign, emit error for
2794 nested functions with force_align_arg_pointer attribute.
2795 * doc/extend.texi (force_align_arg_pointer): Document it.
2796 * doc/invoke.texi (-mstackrealign): Document it.
2798 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2800 PR rtl-optimization/27477
2801 * combine.c (try_combine): Don't split a parallel consisting
2802 of two sets into two individual sets if both sets reference
2805 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2807 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2808 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2810 * doc/options.texi (VarExists): Updated.
2812 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2814 * unwind-dw2.c: Add declarations for uw_update_context and
2816 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2817 detected, advance frame state and context once to skip over stub.
2819 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2823 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2824 Call rewrite_into_loop_closed_ssa only when something changed.
2825 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2826 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2827 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2828 Test for perfect_nest_p here. Fix formating.
2829 (replace_uses_equiv_to_x_with_y): Fix formating.
2830 (stmt_uses_op): Removed.
2831 (can_convert_to_perfect_nest): Removed loopivs parameter.
2832 Complete the test by checking the scalar dependences.
2833 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2836 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2839 From Dan Kegel <dank@kegel.com>:
2840 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2842 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2844 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2845 if the element type is variably modified without recursing.
2847 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2850 * tree-loop-linear.c (try_interchange_loops): Test for
2851 no data dependences.
2853 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2855 PR tree-optimization/27548
2856 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2857 range of ssa names that appear on abnormal edges.
2858 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2859 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2861 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2864 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2866 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2869 * tree.h (OMP_PARALLEL_COMBINED): Define.
2870 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2871 (new_omp_context): Add is_combined_parallel argument.
2872 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2873 new_omp_context caller.
2874 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2875 Adjust gimplify_scan_omp_clauses callers.
2876 (omp_is_private): Issue errors if iteration variable is firstprivate
2877 or reduction in the current context.
2878 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2879 on combined parallel workshare constructs.
2881 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2883 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2884 (gcc-options.o): New rule.
2886 * optc-gen.awk: Protect variables for gcc-options.o with
2887 #ifdef GCC_DRIVER/#endif.
2889 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2891 Fix PR tree-optimization/27373
2892 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2893 (forward_propagate_addr_expr): Update call.
2895 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2897 * doc/options.texi: Move the Negative option.
2899 2006-05-16 Richard Guenther <rguenther@suse.de>
2901 PR tree-optimization/22303
2902 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2904 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2905 ccp_fold did not simplify the statement.
2907 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2910 * Makefile.in (GCC_OBJS): New.
2911 (OBJS-common): Add opts-common.o.
2912 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2913 (cpp$(exeext)): Likewise.
2914 (gcc.o): Also depend on opts.h.
2915 (opts-common.o): New.
2917 * common.opt (gcoff): Add Negative(gdwarf-2).
2918 (gdwarf-2): Add Negative(gstabs).
2919 (gstabs): Add Negative(gstabs+).
2920 (gstabs+): Add Negative(gvms).
2921 (gvms): Add Negative(gxcoff).
2922 (gxcoff): Add Negative(gxcoff+).
2923 (gxcoff+): Add Negative(gcoff).
2924 * config/i386/i386.opt (m32): Add Negative(m64).
2925 (m64): Add Negative(m32).
2927 * doc/options.texi: Document the Negative option.
2929 * gcc.c: Include "opts.h".
2930 (main): Call prune_options after expandargv.
2932 * optc-gen.awk: Generate common declarations for all flag
2933 variables in options.c. Output the neg_index field.
2935 * opts.c (find_opt): Moved to ...
2936 * opts-common.c: Here. New file.
2938 * opts.h (cl_option): Add a neg_index field.
2940 (prune_options): Likewise.
2942 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2945 * omp-low.c (expand_omp_parallel): Don't assert
2946 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2947 instead search for it.
2950 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2953 2006-05-16 Andreas Schwab <schwab@suse.de>
2955 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2958 2006-05-15 Roger Sayle <roger@eyesopen.com>
2961 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2962 integer constants other than zero are only legitimate on TARGET_64BIT.
2963 <CONST_VECTOR> Only zero vectors are legitimate.
2964 (ix86_cannot_force_const_mem): Integral and vector constants can
2965 always be put in the constant pool.
2967 2006-05-16 DJ Delorie <dj@redhat.com>
2969 * crtstuff.c (__dso_handle): Set section from
2970 TARGET_LBIGCC_SDATA_SECTION if defined.
2971 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2972 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2974 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2977 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2980 2006-05-16 Ben Elliston <bje@au.ibm.com>
2982 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2984 2006-05-15 Per Bothner <per@bothner.com>
2986 * tree.c: (last_annotated_node): Use source_locus typedef.
2987 This permits bootstrapping with --enable-mapped-location.
2989 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2991 PR tree-optimization/26830
2992 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2993 (info_for_ssa_name, current_info_for_ssa_name_age,
2994 blocks_to_update): New variables.
2995 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2996 (clear_ssa_name_info, initialize_flags_in_bb,
2997 mark_block_for_update): New functions.
2998 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2999 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3000 prepare_def_site_for): Use mark_block_for_update.
3001 (mark_def_interesting): Assert that the processed block is marked in
3002 blocks_to_update. Do not take blocks argument.
3003 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3005 (rewrite_update_init_block, rewrite_update_stmt): Only process
3006 blocks with statements to rewrite.
3007 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3008 (update_ssa): Initialize and free blocks_to_update. Do not
3009 clear flags on statements. Do not use blocks bitmap.
3010 * tree.h (SSA_NAME_AUX): Removed.
3011 (struct tree_ssa_name): Removed aux field.
3012 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3014 2006-05-15 Richard Guenther <rguenther@suse.de>
3016 PR tree-optimization/27603
3017 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3018 Do computations in original type.
3020 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3022 * see.c: Code style changes such as redundant paranthesis,
3023 redundant intialization of local variables etc.
3024 (see_main): Declared now as static.
3025 * doc/invoke.texi: Update that -fsee is not enabled by
3028 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3030 * omp-low.c (check_omp_nesting_restrictions): New function.
3031 (scan_omp_1): Call it.
3034 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3035 construct, return *VAR.
3037 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3039 PR rtl-optimization/27406
3040 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3043 2006-05-14 Roger Sayle <roger@eyesopen.com>
3045 PR rtl-optimization/27538
3046 * combine.c (expand_compound_operation): Call gen_lowpart
3047 before calling simplify_shift_const.
3049 2006-05-14 Roger Sayle <roger@eyesopen.com>
3051 PR rtl-optimization/22563
3052 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3053 a fixed width bitfield, always force the intermediates into psuedos.
3055 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3058 * mkconfig.sh: Use operator = instead of == for test.
3060 2006-05-13 Nick Clifton <nickc@redhat.com>
3062 * dwarf2out.c (dbx_reg_number): Check return value from
3063 LEAF_REG_REMAP and only use it if it is valid.
3064 (multiple_reg_loc_descriptor): Likewise.
3066 2006-05-13 Richard Guenther <rguenther@suse.de>
3068 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3071 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3073 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3074 information attached to non-INSNs such as NOTEs.
3075 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3077 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3079 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3081 * config/s390/s390.md: Adjust comment describing On constraint.
3083 2006-05-11 Jan Hubicka <jh@suse.cz>
3085 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3086 to be output at -O0.
3088 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3091 * fold-const.c (size_binop): Move sanity check for arguments to
3092 the beginning of the function.
3095 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3098 2006-05-11 Richard Guenther <rguenther@suse.de>
3101 * fold-const.c (fold_unary): Handle intermediate conversion
3102 to a pointer type like intermediate conversion to an integer
3103 type in folding of (T1)(T2)var to var.
3104 Match the code to the comment in the final conversion for
3105 (T1)(T2)var to (T1)var regarding to type precision. Rather
3106 than disallow T1 being of pointer type, assert that both T1
3107 and var are of pointer type or not. Make sure not to fall
3108 over the frontends lazyness wrt array to pointer decay though.
3110 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3112 * arm.c (arm_struct_value_rtx): Delete.
3113 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3114 (arm_init_cumulative_args): Always initialize nregs to zero.
3116 2006-05-10 Richard Guenther <rguenther@suse.de>
3118 PR tree-optimization/27532
3119 * tree-object-size.c (plus_expr_object_size): Fix typo.
3121 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3124 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3125 ashrdi_const, ashrdi3): Use a scratch register.
3127 2006-05-10 Richard Guenther <rguenther@suse.de>
3129 PR tree-optimization/27302
3130 * fold-const.c (operand_equal_p): For two comparisons,
3131 try comparison of one comparison code swapped if that yields
3134 2006-05-10 Ben Elliston <bje@au.ibm.com>
3136 * tree-pretty-print.c (pretty_print_string): No need to handle
3137 '\0' as a special character.
3139 * tree.h: Include "hashtab.h".
3140 (iterative_hash_expr): Use hashval_t in its prototype.
3141 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3143 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3146 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3147 (hppa*64*-*-hpux11*): Ditto.
3148 (hppa[12]*-*-hpux11*): Ditto.
3150 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3153 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3155 2006-05-09 Michael Matz <matz@suse.de>
3157 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3158 host_extra_gcc_objs and host_xmake_file.
3159 (<*-*-linux*>): Don't overwrite host_xmake_file.
3160 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3161 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3162 (host_detect_local_cpu): Declare.
3163 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3164 * config/i386/i386.c (override_options): Handle -mtune=native
3166 * config/i386/x-i386: New file.
3167 * config/i386/driver-i386.c: New file.
3168 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3171 2006-05-09 Dirk Mueller <dmueller@suse.de>
3172 Richard Guenther <rguenther@suse.de>
3175 * fold-const.c (fold_read_from_constant_string): Relax check
3176 for matching types to matching modes.
3178 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3180 PR rtl-optimization/27335
3181 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3184 2006-05-08 Chao-ying Fu <fu@mips.com>
3185 Richard Sandiford <richard@codesourcery.com>
3187 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3188 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3189 * config/mips/mips.md (UNSPEC_SCC): New constant.
3190 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3191 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3192 (mips_emit_compare): Use it.
3193 (mips_expand_vcondv2sf): New function.
3195 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3197 Fix PR tree-optimization/27093
3198 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3199 renaming when they become not-used_alone.
3201 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3203 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3204 relocation and relocation stubs.
3206 2006-05-08 Eric Christopher <echristo@apple.com>
3208 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3211 2006-05-08 Jan Hubicka <jh@suse.cz>
3214 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3215 unused static functions are needed.
3217 2006-05-08 Roger Sayle <roger@eyesopen.com>
3220 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3221 of a reg_equiv_constant if the result is a legitimate constant.
3223 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3226 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3227 standard 80387 constants, raise the cost to prevent
3228 compress_float_constant() to generate load from memory.
3230 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3232 * config/arm/constraints.md (c): Fix a typo.
3234 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3237 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3240 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3242 (_mm_mwait): Likewise.
3244 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3246 (sse3_monitor): Make it 32bit only.
3247 (sse3_monitor64): New. 64bit monitor.
3249 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3252 * config/i386/i386.c (classify_argument): Skip fields with invalid
3255 2006-05-07 Richard Guenther <rguenther@suse.de>
3257 PR tree-optimization/27409
3258 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3259 Do not try to find zero-sized subvars.
3261 2006-05-07 Richard Guenther <rguenther@suse.de>
3263 PR tree-optimization/27136
3264 * tree-ssa-loop-niter.c (get_val_for): Correct function
3265 comment, assert requirements.
3266 (loop_niter_by_eval): Stop processing if the iterated
3267 value did not simplify.
3269 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3271 * opts.c (flag_see): remove its setting at -O3.
3273 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3275 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3276 * arm/constraints.md: New file.
3277 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3278 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3279 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3280 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3281 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3282 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3283 * arm.md: Include constraints.md.
3284 (thumb_movsi_insn): Use satisfies_constraint_J.
3285 (movhi, movqi): Use satisfies_constraint_I.
3287 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3289 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3290 for atmeg a645 device.
3292 2006-05-06 Richard Guenther <rguenther@suse.de>
3294 PR tree-optimization/27151
3295 * tree-vect-transform.c (vectorizable_condition): Punt on
3296 values that have a different type than the condition.
3298 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3301 * c-parser.c (c_parser_cast_expression): Only insert casts into
3302 hash table if pointer.
3303 * function.c (used_types_insert_helper): Rename from
3305 (used_types_insert): Call used_types_insert_helper.
3306 * function.h (used_types_insert): Accept only one argument.
3308 2006-05-05 David Edelsohn <edesohn@gnu.org>
3310 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3311 scratch with output modifier.
3313 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3316 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3317 with output modifier.
3319 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3322 * config/mips/mips.c (mips_symbolic_address_p): Return true
3323 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3324 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3326 2006-05-04 Richard Guenther <rguenther@suse.de>
3328 PR tree-optimization/14287
3329 PR tree-optimization/14844
3330 PR tree-optimization/19792
3331 PR tree-optimization/21608
3332 PR tree-optimization/27090
3333 * tree-ssa-pre.c (try_combine_conversion): New function.
3334 (compute_avail): After constructing the value-handle
3335 expression, use try_combine_conversion to combine NOP_EXPRs
3336 with previous value-handle expressions and use the result if it
3339 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3341 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3343 2006-05-04 Jan Hubicka <jh@suse.cz>
3346 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3348 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3350 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3351 that this only matches CONST_INTs. All users changed to VOIDmode
3354 * config/bfin/bfin.c: Include "optabs.h".
3355 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3357 (enum bfin_builtins): Add a number of fractional and vector builtins.
3358 (bfin_init_builtins): Likewise.
3359 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3360 (safe_vector_operand, bfin_expand_binop_builtin,
3361 bfin_expand_unop_builtin): New functions.
3362 (bfin_expand_builtin): Handle the new builtins.
3363 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3366 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3369 * Makefile.in (OBJS-common): Add see.o.
3370 (see.o): Add dependencies.
3371 * common.opt (fsee): New flag for the see optimization was added.
3372 * opts.c (flag_see): Initialized.
3373 * passes.c (init_optimization_passes, pass_see): New pass.
3374 * rtl.h (see_main): Declaration as extern.
3375 * timevar.def (TV_SEE): New.
3376 * tree-pass.h (pass_see): Declaration as extern.
3377 * invoke.texi (-fsee): Document.
3378 * recog.c (validate_simplify_insn): New function.
3379 * recog.h (validate_simplify_insn): Declaration as extern.
3380 * df-problems.c (df_chain_dump): Check for NULL.
3382 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3383 Daniel Berlin <dberlin@dberlin.org>
3385 * cfgrtl.c (insert_insn_bb_end_new): New function.
3386 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3388 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3390 * df.h (struct web_entry): Moved from web.c.
3391 (union_defs): Declaration as extern.
3392 (unionfind_root): Likewise.
3393 (unionfind_union): Likewise.
3394 * web.c (struct web_entry): Moved to df.h.
3395 (unionfind_root): Remove static declaration.
3396 (unionfind_union): Likewise.
3397 (union_defs): Likewise and generalize to use callback function.
3398 (web_main): Update arguments for union_defs function call.
3400 2006-05-04 Richard Guenther <rguenther@suse.de>
3402 PR tree-optimization/26447
3403 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3404 produce SSA_NAME copies before the store stmt to avoid
3405 breaking exception handling.
3407 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3410 * gimplify.c (omp_is_private): If var is shared in some outer context,
3411 return false instead of true. Stop searching on parallel context
3414 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3417 * coverage.c: Use get_gcov_unsigned_t() instead of
3418 unsigned_type_node all over.
3420 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3422 PR tree-optimization/27381
3423 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3424 maintain the same immediate_use links.
3425 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3426 node rather than segfaulting.
3428 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3431 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3432 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3433 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3435 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3437 Fix PR tree-optimization/26626
3438 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3440 * tree-ssa-operands.c (access_can_touch_variable): Allow
3441 typecasting through union pointers.
3443 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3446 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3447 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3448 to find if var will be a global variable even in the nested context.
3449 (omp_copy_decl): Only check for global variable at the end, it might
3450 be overridden in outer contexts.
3451 (scan_sharing_clauses): For global variables don't create a field.
3452 (lower_rec_input_clauses): Do nothing for global shared variables.
3453 Emit a barrier at the end of ILIST if there were any decls in both
3454 firstprivate and lastprivate clauses.
3455 (lower_send_clauses): Do nothing for global variables except for
3458 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3460 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3461 of the correct signedness is returned.
3463 2006-05-02 Jeff Law <law@redhat.com>
3465 PR tree-optimization/27364
3466 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3467 multiply expressions.
3469 2006-05-02 Tom Tromey <tromey@redhat.com>
3471 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3473 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3476 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3477 -mthumb -fPIC are used.
3479 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3480 Joshua Kinard <kumba@gentoo.org>
3483 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3484 with 64-bit pointers.
3486 2006-05-02 Paul Brook <paul@codesourcery.com>
3488 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3490 (create_fix_barrier): Check that a suitable barrier location is
3492 (arm_reorg): Include ftmp->address in allowable range of addresses.
3494 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3497 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3500 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3503 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3504 around RESULT_DECL for result passed by reference.
3505 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3506 * omp-low.c (use_pointer_for_field): Don't look at
3507 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3508 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3509 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3510 time or var for passing by reference for
3511 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3512 TREE_ADDRESSABLE variables when passing by reference.
3514 * omp-low.c (dump_omp_region): Fix output formatting.
3517 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3518 (expand_omp_parallel): Likewise.
3519 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3522 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3523 on statement list containing also constructors and destructors.
3524 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3527 * except.c (duplicate_eh_regions): Fix clearing of
3528 cfun->eh->region_array entries.
3530 2006-05-01 DJ Delorie <dj@redhat.com>
3532 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3534 (gcc_cv_objdump): Likewise.
3535 * configure: Regenerated.
3537 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3540 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3541 templates for case 3 and 4.
3543 2006-05-01 DJ Delorie <dj@redhat.com>
3545 * vec.c: Include bconfig.h when appropriate.
3546 * Makefile.in (build/vec.o): Adjust dependencies.
3547 * mkconfig.sh: Make sure config.h isn't used for build machine
3550 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3552 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3554 (mark_phi_for_rewrite): New function.
3555 (insert_phi_nodes_for, mark_use_interesting): Call
3556 mark_phi_for_rewrite.
3557 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3558 (update_ssa): Initialize and free phis_to_rewrite.
3560 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3562 PR rtl-optimization/27291
3563 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3564 folded to a constant.
3566 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3568 PR tree-optimization/27283
3569 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3570 not whole # of iteration descriptions.
3571 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3572 uses abnormal ssa name.
3573 (niter_for_single_dom_exit): Ditto.
3574 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3575 return just the number of iterations.
3577 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3579 PR tree-optimization/27144
3580 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3581 (record_estimate): Only record constant upper bound.
3582 (infer_loop_bounds_from_undefined): Call
3583 compute_estimated_nb_iterations just once.
3584 (proved_non_wrapping_p): Renamed to ...
3585 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3586 (convert_step_widening, scev_probably_wraps_p): Call
3587 n_of_executions_at_most instead of proved_non_wrapping_p.
3588 (substitute_in_loop_info): Do not replace values in bounds.
3589 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3592 2006-05-01 Richard Henderson <rth@redhat.com>
3595 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3596 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3599 2006-05-01 Roger Sayle <roger@eyesopen.com>
3601 * c-typeck.c (parser_build_binary_op): Don't call the function
3602 unsigned_conversion_warning to spot operand/result type overflow.
3603 (build_binary_op): Instead, call convert_and_check instead of
3604 convert to report the problem when the operands are promoted.
3605 * c-common.c (unsigned_conversion_warning): Make static.
3606 * c-common.h (unsigned_conversion_warning): Delete prototype.
3608 2006-05-01 Richard Guenther <rguenther@suse.de>
3610 PR tree-optimization/26726
3611 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3613 (find_interesting_uses_address): ... we work around here
3614 by folding INDIRECT_REFs in the substituted base.
3616 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3618 * omp-low.c (dump_omp_region): Add newlines.
3620 2006-04-30 Roger Sayle <roger@eyesopen.com>
3622 * common.opt (Woverflow): New command line option.
3623 * c-common.c (constant_expression_warning): Check warn_overflow.
3624 (overflow_waring): Pass OPT_Woverflow to warning.
3625 (unsigned_conversion_warning): Likewise.
3626 (convert_and_check): Likewise.
3627 * doc/invoke.texi: Document new command line option.
3629 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3631 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3632 TARGET_NO_FP_IN_TOC for section anchors.
3633 (optimization_options): Enable section anchors for all
3634 non-"Objective" languages.
3636 2006-04-28 Eric Christopher <echristo@apple.com>
3638 * config/darwin-c.c (darwin_ms_struct): Move this
3639 (darwin_set_default_type_attributes): and this...
3640 * config/darwin.c: ... here.
3641 * config/darwin.h (darwin_ms_struct): Declare.
3643 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3645 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3647 2006-04-28 Roger Sayle <roger@eyesopen.com>
3650 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3651 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3652 an unsigned HOST_WIDE_INT.
3653 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3655 (really_start_incremental_init): No need to call convert because
3656 bitsize_zero_node is already of type bitsizetype.
3657 (push_init_level): Extract the value of constructor_index as an
3658 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3659 (process_init_element): Likewise.
3661 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3663 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3664 value before passing to make_relative_prefix.
3666 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3669 * builtins.c (expand_builtin_memset): Expand val in original mode.
3671 2006-04-27 Eric Christopher <echristo@apple.com>
3673 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3674 with #ifndef/#endif.
3675 * config/darwin-c.c (darwin_ms_struct): New.
3676 (darwin_pragma_ms_struct): Ditto.
3677 (darwin_set_default_type_attributes): Ditto.
3678 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3679 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3680 Register ms_struct pragma.
3681 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3682 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3683 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3684 darwin_set_default_type_attributes if TARGET_MACHO.
3686 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3688 PR tree-optimization/26854
3689 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3690 * doc/tree-ssa.texi: Update immuse iterator documentation.
3691 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3692 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3693 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3694 first_safe_imm_use, next_safe_imm_use): Remove.
3695 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3696 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3697 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3698 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3699 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3700 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3701 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3702 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3703 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3704 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3705 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3706 (perfect_nestify): Use new iterator.
3707 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3709 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3710 (next_imm_name): New field in struct immediate_use_iterator_d.
3711 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3712 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3713 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3714 * tree-cfg.c (replace_uses_by): Use new iterator.
3715 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3716 * tree-ssa-operands.c (correct_use_link): Remove.
3717 (finalize_ssa_use_ops): No longer call correct_use_link.
3719 2006-04-27 Stuart Hastings <stuart@apple.com>
3721 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3722 * config/t-darwin (crt3.o): Use it.
3723 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3724 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3725 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3726 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3727 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3730 2006-04-27 Roger Sayle <roger@eyesopen.com>
3732 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3733 size, force the intermediate into a new pseudo rather instead of
3734 performing both a bitwise AND and a bitwise IOR in memory.
3736 2006-04-27 Richard Guenther <rguenther@suse.de>
3738 PR rtl-optimization/26685
3739 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3740 this one "max-flow-memory-locations".
3742 2006-04-27 Richard Guenther <rguenther@suse.de>
3744 PR tree-optimization/25148
3745 * tree-vrp.c (compare_values): Remove code dealing with
3746 comparisons against type min/max value. Honour overflow
3747 and negative constants in code dealing with comparisons
3748 of plus and minus expressions.
3749 (value_inside_range): Use fold_binary with LE_EXPR and
3750 GE_EXPR rather than compare_values.
3752 2006-04-27 Dirk Mueller <dmueller@suse.de>
3754 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3757 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3759 * basic-block.h (safe_insert_insn_on_edge): Removed.
3760 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3762 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3763 Paolo Bonzini <bonzini@gnu.org>
3766 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3767 (simplify_and_const_int): Same.
3769 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3771 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3773 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3776 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3777 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3778 cgraph_global_info_ready.
3781 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3784 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3785 either decl or init is error_mark_node.
3788 * tree-flow.h (struct omp_region): Add sched_kind.
3789 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3790 instead of extracting omp for data.
3791 (expand_omp_for): Save extracted sched_kind.
3793 2006-04-25 Roger Sayle <roger@eyesopen.com>
3795 * expmed.c (store_bit_field): Also check whether the bitsize is
3796 valid for the machine's "insv" instruction before moving the
3797 target into a pseudo for use with the insv.
3798 * config/i386/predicates.md (const8_operand): New predicate.
3799 * config/i386/i386.md (extv, extzv, insv): Use the new
3800 const8_operand predicate where appropriate.
3802 2006-04-25 DJ Delorie <dj@redhat.com>
3804 * doc/install.texi (Specific): Clarify that this is not a list of
3805 supported hosts or targets.
3807 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3809 PR rtl-optimization/26725
3810 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3811 block's BB_DIRTY flag.
3813 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3815 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3818 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3819 to print an integer.
3821 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3823 * varasm.c (align_variable): New function.
3824 (get_block_for_decl): Apply align_variable to DECL before
3825 calculating section information.
3826 (assemble_variable): Split out alignment computation.
3828 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3830 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3833 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3835 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3836 MODE_PARTIAL_INT mode.
3837 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3838 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3840 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3841 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3843 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3845 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3847 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3848 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3849 MACFLAG_IH): Likewise.
3850 (movstricthi_1): Renamed from "*movstricthi".
3851 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3852 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3853 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3854 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3855 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3856 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3857 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3858 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3859 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3860 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3861 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3862 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3863 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3864 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3865 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3867 * doc/rtl.texi (ss_ashift): Improve wording.
3869 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3871 * dwarf2out.c (verify_marks_clear): New.
3872 (prune_unused_types): Call verify_marks_clear initially, not
3875 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3877 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3878 * doc/rtl.texi: Document them.
3879 * simplify-rtx.c (simplify_unary_operation,
3880 simplify_binary_operation_1): Don't abort when we see them.
3882 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3885 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3886 * configure.ac: Completely disregard languages that are not
3888 * configure: Regenerated.
3890 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3891 Richard Guenther <rguenther@suse.de>
3893 PR tree-optimization/27236
3894 * tree-inline.c (copy_body_r): Make sure to copy
3895 TREE_THIS_VOLATILE flag.
3897 2006-04-24 Richard Guenther <rguenther@suse.de>
3900 * tree-complex.c (update_parameter_components): Don't handle
3901 unused parameters which have no default def.
3903 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3904 Richard Guenther <rguenther@suse.de>
3906 PR tree-optimization/27218
3907 * tree-inline.c (expand_call_inline): Strip useless type
3908 conversions for the return slot address.
3910 2006-04-24 Richard Guenther <rguenther@suse.de>
3912 * cfgloop.h (struct loops): Remove unused field array. Reorder
3914 (LOOP_PREFETCH): Remove.
3916 2006-04-24 Richard Guenther <rguenther@suse.de>
3918 PR tree-optimization/22525
3919 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3920 variable, adjust types of generated expressions.
3922 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3924 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3925 (tree-vect-patterns.o): Likewise.
3927 (cselib.o): Likewise.
3928 (loop-doloop.o): Likewise.
3929 (regclass.o): Likewise.
3930 (reload1.o): Likewise.
3931 (explow.o): Replace target.h with $(TARGET_H).
3932 (ipa-prop.o): Likewise.
3933 (ipa-cp.o): Likewise.
3934 (ipa-inline.o): Likewise.
3935 (reorg.o): Likewise.
3936 (reg-stack.o): Likewise.
3938 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3940 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3942 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3944 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3946 * configure.ac: Completely disregard languages that are not
3948 * configure: Regenerated.
3951 * c-common.h (c_build_bitfield_integer_type): Declare.
3952 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3953 * c-common.c (c_build_bitfield_integer_type): ... here.
3955 2006-04-23 Roger Sayle <roger@eyesopen.com>
3958 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3959 a SImode SUBREG of a floating point register after no_new_pseudos.
3961 2006-04-23 Roger Sayle <roger@eyesopen.com>
3963 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3964 identify potentially eliminable registers to additionally catch
3965 VIRTUAL_INCOMING_ARGS_REGNUM.
3966 (addsi3): Update the conditions on when to use addsi_small_int.
3968 2006-04-23 Roger Sayle <roger@eyesopen.com>
3971 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3972 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3973 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3975 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3977 * fold-const.c (range_predecessor): Use operand_equal_p
3978 as the predicate for equality.
3979 (range_successor): Likewise.
3981 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3984 * config/soft-fp/op-common.h: Fix a typo.
3986 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3989 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3990 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3992 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3994 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3996 * doc/tm.texi: Fix a typo.
3998 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4000 * dwarf2out.c (struct die_struct): Document that die_sib makes
4001 a circular linked list.
4002 (FOR_EACH_CHILD): New.
4003 (reverse_die_lists): Delete.
4004 (reverse_all_dies): Delete.
4005 (add_dwarf_attr): Correct documentation.
4006 (remove_child_with_prev): New.
4007 (remove_child_TAG): Update for change to die_struct, use
4008 remove_child_with_prev.
4009 (add_child_die): Update for change to die_struct.
4010 (splice_child_die): Use remove_child_with_prev and add_child_die.
4011 (print_die): Use FOR_EACH_CHILD.
4012 (die_checksum): Likewise.
4013 (assign_symbol_names): Likewise.
4014 (output_location_lists): Likewise.
4015 (build_abbrev_table): Likewise.
4016 (calc_die_sizes): Likewise.
4017 (mark_dies): Likewise.
4018 (unmark_dies): Likewise.
4019 (unmark_all_dies): Likewise.
4020 (output_die): Likewise.
4021 (prune_unused_types_mark): Likewise.
4022 (prune_unused_types_walk): Likewise.
4023 (same_die_p): Update for change to die_struct.
4024 (break_out_includes): Likewise.
4025 (prune_unused_types_prune): Likewise.
4026 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4027 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4029 (dwarf2out_finish): Don't call reverse_all_dies.
4031 2006-04-21 Eric Christopher <echristo@apple.com>
4033 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4034 in comments and function names.
4036 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4039 * c-typeck.c (digest_init): Robustify.
4041 * c-typeck.c (pop_init_level): Simplify.
4043 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4045 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4047 2006-04-21 Paul Brook <paul@codesourcery.com>
4049 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4050 hardware floating point.
4052 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4054 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4057 2006-04-21 Nick Clifton <nickc@redhat.com>
4059 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4062 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4065 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4066 C++ lang type in traceback table for Objective-C++.
4068 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4070 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4072 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4074 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4077 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4078 were errors. Remove check for erroneous objects.
4080 2006-04-20 Jeff Law <law@redhat.com>
4082 PR tree-optimization/26854
4083 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4084 checking for zero or one use.
4085 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4086 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4087 * tree-ssa-reassoc.c (negate_value): Similarly.
4088 (reassociate_bb): Similarly.
4090 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4092 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4093 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4094 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4096 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4098 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4099 fp regs if the last fp arg doesn't fit in regs.
4101 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4104 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4105 that the last insn has the REG_INC note.
4107 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4108 Nathan Sidwell <nathan@codesourcery.com>
4111 * stor-layout.c (update_alignment_for_field): Do not align
4113 (place_union_field): Place union field at the start of the union.
4114 (place_field): Move ERROR_MARK check later, and use the current
4115 allocation position to maintain monotonicity.
4117 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4119 * dominance.c: Include timevar.h.
4120 (calculate_dominance_info): Use TV_DOMINANCE.
4121 * timevar.def (TV_DOMINANCE): New timevar.
4122 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4124 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4126 PR rtl-optimization/14261
4127 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4128 move would be an INSV insn.
4129 (noce_process_if_block): Don't optimize if the destination is a
4130 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4132 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4134 * config/s390/s390.md: Add comments with the instructions emitted
4135 by an insn pattern if macros are used.
4137 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4139 PR rtl-optimization/26026
4140 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4141 is a known power of two shifted left a variable amount.
4143 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4145 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4146 to hash table twice when the debug_str section has SECTION_MERGE.
4148 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4150 * config/soft-fp: New directory. From glibc.
4151 * config/soft-fp/t-softfp: New.
4152 * config/soft-fp/README: New.
4153 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4154 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4155 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4156 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4157 * config.gcc: Use rs6000/t-fprules-fpbit or
4158 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4160 * config/rs6000/sfp-machine.h: New. Based on glibc.
4161 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4163 * config/rs6000/t-fprules: Remove fp-bit rules.
4164 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4165 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4166 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4167 (softfp_wrap_start, softfp_wrap_end): New.
4169 2006-04-18 DJ Delorie <dj@redhat.com>
4171 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4173 2006-04-18 Devang Patel <dpatel@apple.com>
4175 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4177 2006-04-18 Nick Clifton <nickc@redhat.com>
4179 * config/sh/t-symbian: Add rule to build sh-c.o
4180 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4181 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4182 (sh_symbian_encode_section_info): Likewise.
4184 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4186 * builtins.c (expand_builtin_strcmp): Cover label definition of
4187 do_libcall with HAVE_cmpstrnsi.
4189 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4191 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4193 * function.h (temp_slot_p): New.
4194 (function): Change the type of x_used_temp_slots to
4195 VEC(temp_slot_p,gc) *.
4197 2006-04-18 Nick Clifton <nickc@redhat.com>
4199 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4200 flag_strength_reduce.
4202 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4204 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4208 Partial revert of revision 112637
4209 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4210 Dale Johannesen <dalej@apple.com>
4213 * regclass.c (struct reg_pref): Update documentation.
4214 (regclass): Set prefclass to NO_REGS if memory is the best option.
4215 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4217 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4219 PR tree-optimization/26821
4220 * tree-ssa-math-opts.c (get_constant_one): New.
4221 (insert_reciprocals): Use it.
4223 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4225 * dwarf2out.c (free_AT): Delete.
4226 (remove_AT): Update string ref counts.
4227 (remove_child_TAG): Don't call free_die.
4229 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4230 or DW_TAG_GNU_EINCL.
4231 (prune_unused_types_walk_attribs): Reset string refcounts.
4232 (prune_unused_types_update_strings): New.
4233 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4234 call free_die. Do call prune_unused_types_update_strings.
4235 (prune_unused_types): Empty debug_str_hash.
4237 2006-04-17 Roger Sayle <roger@eyesopen.com>
4239 * expr.c (expand_assignment): Optimize away no-op moves where the
4240 source and destination are equal and have no side-effects.
4242 2006-04-17 Richard Guenther <rguenther@suse.de>
4245 * reload.c (push_reload): Guard calls to get_secondary_mem
4248 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4250 * alias.c (reg_base_value, old_reg_base_value): Change the
4251 type to VEC(rtx,gc) *.
4252 (REG_BASE_VALUE, find_base_value, record_set,
4253 init_alias_analysis): Use VEC instead of VARRAY.
4255 * alias.c (alias_sets): Change the type to
4256 VEC(alias_set_entry,gc) *.
4257 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4258 VEC instead of VARRAY.
4259 (last_alias_set): Remove.
4261 * cgraph.h (cgraph_edge_p): New.
4262 Update the prototype of cgraph_function_versioning.
4263 * cgraphunit.c (cgraph_copy_node_for_versioning,
4264 cgraph_function_versioning): Use VEC instead of VARRAY.
4265 * ipa-cp.c (ipcp_insert_stage): Likewise.
4267 2006-04-16 Roger Sayle <roger@eyesopen.com>
4270 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4271 "A op B" or "A op C", we may need to convert A to the type of B and C.
4273 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4275 * target.h (struct gcc_target): Add mode_rep_extended.
4276 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4277 (init_num_sign_bit_copies_in_rep): Initialize it using
4279 (truncate_to_mode): Use it.
4280 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4281 * targhooks.h (default_mode_rep_extended): Declare it.
4282 * targhooks.c (default_mode_rep_extended): Define it.
4283 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4284 default_mode_rep_extended.
4285 (TARGET_INITIALIZER): Include it.
4286 * doc/tm.texi (Misc): Document it.
4287 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4288 (mips_truncated_to_mode): New function.
4290 2006-04-16 Roger Sayle <roger@eyesopen.com>
4293 * expr.c (compress_float_constant): Copy the narrow constant into
4294 a new pseudo before extending it to its final width.
4296 2006-04-16 Roger Sayle <roger@eyesopen.com>
4297 Andrew Pinski <pinskia@gcc.gnu.org>
4298 Dale Johannesen <dalej@apple.com>
4301 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4302 special case code to implement V8HImode and V16QImode with SSE2.
4304 2006-04-15 Roger Sayle <roger@eyesopen.com>
4306 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4307 trees are constructed with a suitable tree type.
4309 2006-04-15 Roger Sayle <roger@eyesopen.com>
4311 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4312 (integer_onep): Likewise.
4313 (integer_all_onesp): Likewise.
4314 (integer_pow2p): Likewise.
4315 (integer_nonzerop): Likewise.
4316 (real_zerop): Likewise.
4317 (real_onep): Likewise.
4318 (real_twop): Likewise.
4319 (real_minus_onep): Likewise.
4320 (int_size_in_bytes): Likewise.
4321 (host_integerp): Likewise.
4323 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4325 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4326 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4327 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4329 * tree-ssa-structalias.h (alias_info): Remove num_references.
4331 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4333 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4334 (output_bvb patterns): Likewise.
4335 * pa.c (output_bb): Use 'bb' insn for long branch case.
4336 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4337 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4338 1. Correct length operand for alternatives 1 and 2.
4339 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4340 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4342 2006-04-14 Roger Sayle <roger@eyesopen.com>
4344 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4345 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4346 were accidentally reverted by r112959.
4348 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4351 * except.h (eh_region_outermost): New prototype.
4352 * except.c (eh_region_outermost): New function.
4353 * tree-cfg.c (find_outermost_region_in_block): Use it.
4355 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4357 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4359 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4360 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4361 (init_reload, reload): Use VEC instead of VARRAY.
4362 * reload.h: Update the prototype for
4363 reg_equiv_memory_loc_varray.
4365 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4366 Eric Botcazou <ebotcazou@libertysurf.fr>
4368 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4371 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4374 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4375 to expand fallback builtin function call.
4377 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4380 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4381 and emit libcall here in case the builtin fails.
4382 (expand_builtin_strcmp): Always emit the libcall here on failure.
4384 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4386 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4387 * flow.c (reg_n_info): Change the type to
4388 VEC(reg_info_p,heap) *.
4389 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4391 * regs.h (reg_info_p): New.
4392 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4393 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4394 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4397 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4399 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4401 * params.h (MAX_SCHED_READY_INSNS): New macro.
4402 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4403 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4404 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4405 the ready list for 1 cycle during the first scheduling pass.
4406 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4408 2006-04-13 Richard Henderson <rth@redhat.com>
4411 * gimple-low.c (lower_omp_directive): Remove dead code.
4412 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4413 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4414 * omp-low.c (struct omp_region): Move to tree-flow.h.
4415 (root_omp_region): Export.
4416 (omp_regions, lookup_omp_region): Remove.
4417 (determine_parallel_type): Update for struct omp_region changes.
4418 (dump_omp_region): Dump regions with block numbers.
4419 (new_omp_region): Take type and block instead of stmt; malloc
4421 (free_omp_region_1, free_omp_regions): New.
4422 (expand_parallel_call): Take entry_stmt as argument; update for
4423 changes to omp_region.
4424 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4425 (remove_exit_barriers): New.
4426 (expand_omp_parallel): Update for struct omp_region changes.
4427 (expand_omp_synch): Likewise.
4428 (expand_omp): Likewise.
4429 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4430 (expand_omp_for_static_chunk): Likewise.
4431 (expand_omp_for): Likewise.
4432 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4433 (expand_omp_sections): Similarly, with GOMP_sections_end.
4434 (expand_omp_single): New.
4435 (build_omp_regions_1): Update for OMP_CONTINUE.
4436 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4437 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4438 OMP_SECTIONS_SECTIONS.
4439 (lower_omp_single_simple): Don't emit barrier here.
4440 (lower_omp_single_copy): Likewise.
4441 (lower_omp_single): Fix bindings, and lower to straightline now.
4442 (lower_omp_master, lower_omp_ordered): Likewise.
4443 (lower_omp_critical): Likewise.
4444 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4445 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4446 omp edges, free it afterward.
4447 (make_omp_sections_edges): Remove.
4448 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4449 (move_stmt_r): Handle OMP_CONTINUE.
4450 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4451 statement pointers to basic blocks. Add type member.
4452 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4453 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4454 * tree-inline.c (estimate_num_insns_1): Likewise.
4455 * tree-pretty-print.c (dump_generic_node): Likewise.
4456 * tree-ssa-operands.c (get_expr_operands): Likewise.
4457 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4458 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4459 (OMP_CONTINUE): New.
4460 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4461 (OMP_SECTIONS_SECTIONS): Remove.
4462 (OMP_SECTION_LAST): New.
4463 (OMP_RETURN_NOWAIT): New.
4465 2006-04-13 Roger Sayle <roger@eyesopen.com>
4467 * fold-const.c (native_encode_vector, native_interpret_real):
4468 Correct obvious mistakes in the previous check-in.
4470 2006-04-13 Roger Sayle <roger@eyesopen.com>
4472 * fold-const.c (native_encode_expr): New function to encode
4473 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4474 or VECTOR_CST into a specified buffer.
4475 (native_encode_int): New function.
4476 (native_encode_real): New function.
4477 (native_encode_complex): New function.
4478 (native_encode_vector): New function.
4479 (native_interpret_expr): Inverse of native_encode_expr to convert
4480 a target representation into an INTEGER_CST, REAL_CST etc...
4481 (native_interpret_int): New function.
4482 (native_interpret_real): New function.
4483 (native_interpret_complex): New function.
4484 (native_interpret_vector): New function.
4485 (fold_view_convert_expr): New function to constant fold/evaluate
4486 a VIEW_CONVERT_EXPR of a suitable constant expression.
4487 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4488 Change call of build1 to fold_build1 when constructing a
4491 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4492 Ulrich Weigand <uweigand@de.ibm.com>
4495 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4498 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4501 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4502 optimize to lo_sum for DFmode if !TARGET_FPRS.
4504 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4506 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4507 delete_alias_info, compute_flow_sensitive_aliasing,
4508 group_aliases): Use VEC instead of VARRAY.
4509 * tree-ssa-structalias.c (update_alias_info): Likewise.
4510 * tree-ssa-structalias.h (alias_info): Change the type of
4511 processed_ptrs to VEC(tree,heap) *.
4513 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4516 * config/sh/lib1funcs.h: New file, broken out of:
4517 * config/sh/lib1funcs.asm.
4518 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4520 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4521 * config/sh/lib1funcs-Os-4-200.asm: New file.
4522 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4523 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4524 (EXTRA_MULTILIB_PARTS): Include it.
4525 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4526 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4527 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4528 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4531 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4533 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4534 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4535 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4537 * tree-ssa-live.h: Include vecprim.h.
4538 (tree_partition_associator_d): Change the type of
4539 first_partition to VEC(int,heap) *.
4540 (tpa_first_partition): Use VEC instead of VARRAY.
4542 * Makefile.in (GTFILES): Move functions.h after tree.h.
4543 * function.c (reset_block_changes, record_block_change,
4544 check_block_change, free_block_changes): Use VEC instead of
4546 * function.h (function): Change the type of
4547 ib_boundaries_block to VEC(tree,gc) *.
4548 * tree-inline.c (copy_cfg_body): Initialize
4549 ib_boundaries_block to NULL instead of (varray_type) 0.
4551 2006-04-12 Roger Sayle <roger@eyesopen.com>
4553 * expr.c (emit_group_store): Correct operand order in call to
4554 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4555 a SUBREG_BYTE of zero.
4557 2006-04-12 Richard Guenther <rguenther@suse.de>
4559 * profile.c (compute_branch_probabilities): Remove code
4560 encapsulated in !ir_type (), which are remanents of the
4561 removed RTL profiling code.
4562 * rtl-profile.c: Remove.
4564 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4566 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4567 magic NULL_RTX comment.
4568 (function_arg): Store entire fp arg to mem if any part should go
4570 (rs6000_arg_partial_bytes): Adjust for above change.
4572 2006-04-11 Roger Sayle <roger@eyesopen.com>
4574 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4575 if it hasn't been initialized by dwarf2out_init.
4577 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4579 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4580 symbolic constants in branch patterns.
4582 2006-04-11 Roger Sayle <roger@eyesopen.com>
4584 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4586 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4588 PR rtl-optimization/27073
4589 * gcse.c (try_replace_reg): Revert last change. Continue to search
4590 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4593 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4595 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4596 aggregate types other than record and union types.
4597 (function_arg): Likewise.
4598 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4600 (function_value): In 64-bit mode, return objects that require it
4603 2006-04-11 Roger Sayle <roger@eyesopen.com>
4605 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4607 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4609 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4611 2006-04-03 Jeff Law <law@redhat.com>
4614 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4615 alias information too.
4617 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4619 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4621 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4624 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4625 (premark_used_types_helper): New.
4626 (premark_used_types): New.
4627 (gen_subprogram_die): Call premark_used_types.
4628 (prune_unused_types_walk): Do not prune perennial dies.
4629 * function.c (used_types_insert): New.
4630 * function.h (struct function): Add used_types_hash field.
4631 (used_types_insert): Add prototype.
4632 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4633 * c-parser.c (c_parser_cast_expression): Save casted types in used
4636 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4639 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4640 rs6000_explicit_options.float_gprs.
4642 2006-04-10 Roger Sayle <roger@eyesopen.com>
4644 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4645 from ix86_expand_vector_init_low_nonzero. Take an additional
4646 one_var argument indicating which element is non-zero. Support
4647 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4648 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4649 with one_var instead of ix86_expand_vector_init_low_nonzero.
4651 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4653 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4654 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4655 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4656 build/genextract.o): Depend on vecprim.h.
4657 * cfglayout.c, df-problems.c, function.c, genextract.c,
4658 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4659 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4663 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4665 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4666 Declare VECs of this type.
4667 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4668 (remove_children): Delete.
4669 (add_dwarf_attr): Use VEC routines.
4670 (add_AT_flag): Update for changes to add_dwarf_attr.
4671 (add_AT_int): Likewise.
4672 (add_AT_unsigned): Likewise.
4673 (add_AT_long_long): Likewise.
4674 (add_AT_vec): Likewise.
4675 (add_AT_string): Likewise.
4676 (add_AT_die_ref): Likewise.
4677 (add_AT_fde_ref): Likewise.
4678 (add_AT_loc): Likewise.
4679 (add_AT_loc_list): Likewise.
4680 (add_AT_addr): Likewise.
4681 (add_AT_lbl_id): Likewise.
4682 (add_AT_lineptr): Likewise.
4683 (add_AT_macptr): Likewise.
4684 (add_AT_offset): Likewise.
4685 (add_AT_range_list): Likewise.
4686 (get_AT): Use VEC_iterate.
4687 (remove_AT): Use VEC_ordered_remove.
4688 (free_die): Fold remove_children into here; have it use VEC_iterate.
4689 (print_die): Use VEC_iterate on attrs.
4690 (reverse_die_lists): Don't reverse attr lists.
4691 (die_checksum): Use VEC_iterate on attrs.
4692 (same_die_p): Likewise.
4693 (output_location_lists): Likewise.
4694 (build_abbrev_table): Likewise.
4695 (size_of_die): Likewise.
4696 (unmark_all_dies): Likewise.
4697 (output_abbrev_section): Likewise.
4698 (output_die): Likewise.
4699 (prune_unused_types_walk_attribs): Likewise.
4701 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4703 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4705 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4708 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4710 2006-04-09 Roger Sayle <roger@eyesopen.com>
4712 * expr.c (store_constructor): Don't bother clearing target if
4713 we're about to assign a vector to it using vec_init_optab.
4715 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4717 * tree-ssa-alias.c (lhs_may_store_to): New function.
4718 (recalculate_used_alone): Handle LHS of calls.
4720 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4724 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4725 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4726 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4727 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4728 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4729 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4730 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4731 stubs. Add ".align 8" directives before all ".dword" directives.
4732 (GTHREAD_USE_WEAK): Revise comment.
4733 (TARGET_ATTRIBUTE_WEAK): Define.
4734 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4735 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4736 * stublib.c: New file.
4741 * pa.md (cbranch patterns): Revise arguments used in calls to
4742 output_cbranch, output_bb and output_bvd. Add long branch length
4744 (fbranch patterns): Handle long branches.
4745 (jump): Revise length check. Revise arguments for output_lbranch call.
4746 Add long branch length attributes.
4747 (decrement_and_branch_until_zero): Add long branch length attributes.
4748 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4749 Likewise. Revise arguments for output_parallel_addb and
4750 output_parallel_movb calls.
4751 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4752 output_parallel_movb and output_parallel_addb): Update prototypes.
4753 * pa.c (output_cbranch): Revise arguments. Correct handling of
4754 nullification in long branches.
4755 (output_lbranch): Add new argument to control extraction of delay
4757 (output_bb): Handle long branches.
4758 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4759 output_parallel_addb): Likewise.
4761 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4763 PR rtl-optimization/27073
4764 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4767 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4769 * tree.h (tree_memory_tag): Add old_used_alone.
4770 (SMT_OLD_USED_ALONE): New macro.
4771 * tree-ssa-alias.c (recalculate_used_alone): Stop
4772 marking things for renaming unnecessarily.
4774 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4776 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4777 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4778 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4779 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4780 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4781 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4782 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4783 spelling convensions.
4784 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4785 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4786 typos. Follow spelling conventions.
4788 2006-04-07 DJ Delorie <dj@redhat.com>
4790 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4791 passed on the stack.
4792 (m32c_init_cumulative_args): When a function returns a structure,
4793 always pass the pointer to that return area on the stack.
4794 (m32c_function_arg_advance): Don't increment the parameter number
4795 if we're processing the returned structure pointer.
4796 (pushm_info): Reverse order of registers.
4798 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4800 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4801 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4802 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4803 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4805 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4806 chrec_fold_multiply): Same.
4807 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4808 force_expr_to_var_cost): Same.
4809 * tree-mudflap.c (mf_xform_derefs_1): Same.
4810 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4812 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4814 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4815 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4818 2006-04-07 Jan Hubicka <jh@suse.cz>
4820 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4822 2006-04-07 Richard Guenther <rguenther@suse.de>
4824 PR tree-optimization/26135
4825 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4826 loads for store copy-prop.
4827 (copy_prop_visit_stmt): Likewise.
4829 2006-04-05 Robert Millan <robertmh@gnu.org>
4831 * config/i386/linux.h: Add a comment to mark macros that are
4832 being overriden in config/k*bsd-gnu.h.
4833 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4835 * config/knetbsd-gnu.h: Ditto.
4837 2006-04-06 Jan Hubicka <jh@suse.cz>
4841 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4844 2006-04-06 Mike Stump <mrs@apple.com>
4846 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4847 for HAVE_nonlocal_goto to be consistent.
4848 (expand_builtin_nonlocal_goto): Likewise.
4849 (expand_builtin_strcmp): Use #ifdef instead of #if
4850 for HAVE_cmpstrnsi to be consistent.
4852 2006-04-05 DJ Delorie <dj@redhat.com>
4854 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4857 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4859 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4860 got-relative addressing for anything but SImode.
4862 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4863 even if the calling function doesn't modify them.
4865 2006-04-05 Richard Guenther <rguenther@suse.de>
4867 PR tree-optimization/26919
4868 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4869 to cgraph_estimate_size_after_inlining.
4871 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4873 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4875 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4877 PR tree-optimization/26996
4878 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4879 VECTOR_TYPE variables.
4881 2006-04-05 Richard Guenther <rguenther@suse.de>
4883 PR tree-optimization/26763
4884 * fold-const.c (fold_comparison): Move folding of
4885 PTR + CST CMP PTR + CST ...
4886 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4888 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4890 * doc/install.texi (Prerequisites): Refine some wording on
4891 bootstrapping and ksh.
4892 Move the version numbers of DejaGnu here from the testing section
4893 and fix casing of names.
4894 Fix markup and clarify wording for autogen requirements.
4895 Refer to GCJ instead of just java.
4896 Refer to SVN instead of CVS.
4897 Describe diffutils as useful instead of necessary.
4898 (Downloading the source): Refer to SVN instead of CVS.
4899 Adjust a link to our web site accordingly.
4900 (Configuration): Fix casing of Bison.
4901 (Building): Refer to SVN instead of CVS.
4902 Fix a sentence on the use of Bison and remove duplicate (and
4903 incorrect) version number of Bison requirement.
4904 Remove one redundant list of packages needed for building.
4905 (Specific): Avoid reference to CVS.
4907 2006-04-04 Eric Christopher <echristo@apple.com>
4909 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4910 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4911 (rs6000_handle_struct_attribute): New.
4912 (rs6000_ms_bitfield_layout_p): Ditto.
4914 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4916 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4917 NULL for dso parameter to atexit_common.
4919 2006-04-04 Eric Christopher <echristo@apple.com>
4921 * config/i386/i386.c (machopic_output_stub): Output \t
4922 between instructions and operands.
4924 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4926 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4927 satisfies_constraint_[IL] to explicit tests on value.
4929 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4931 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4932 set_nb_iterations_in_loop): Use build_int_cst instead of
4934 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4935 build_int_cst instead of convert.
4937 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4939 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4940 new value 2 for incoming.
4941 * function.c (expand_function_start): Call struct_value_rtx
4943 * config/sparc/sparc.md: Comment updated_return.
4944 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4945 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4946 struct return if sparc_std_struct_return and incoming is 2.
4947 (print_operand): Do not adjust return if
4948 sparc_std_struct_return.
4950 2006-04-04 Roger Sayle <roger@eyesopen.com>
4952 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4953 convert in the middle-end.
4954 * expr.c (store_expr, store_constructor, get_inner_reference,
4955 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4957 * tree.c (build_range_type): Likewise.
4959 2006-04-04 Tom Tromey <tromey@redhat.com>
4961 * doc/install.texi (Prerequisites): Mention jar.
4963 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4965 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4968 2006-04-04 Matthias Klose <doko@debian.org>
4970 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4971 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4974 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4976 * doc/extend.texi (Function Attributes): Rewrite visibility
4977 attribute documentation.
4978 * doc/invoke.texi (C++ Dialect Options): Rewrite
4979 -fvisibility-inlines-hidden documentation to describe something
4980 entirely different, although in practise compatible.
4981 (Code Gen Options): Warn about system headers in -fvisibility=
4984 * doc/extend.texi (Other Builtins): Document that
4985 __builtin_nan is a compile-time constant only when its argument
4988 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4990 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4991 trying to remove TRUNCATE check if all bits outside the new mode
4992 are identical to the sign bit.
4994 2006-04-03 Jeff Law <law@redhat.com>
4996 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4997 and operand scanning in some common cases.
4999 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5000 Dale Johannesen <dalej@apple.com>
5003 * regclass.c (struct reg_pref): Update documentation.
5004 (regclass): Set prefclass to NO_REGS if memory is the best option.
5005 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5006 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5007 into account. For non-registers, equate an empty preferred
5008 reload class to a `!' in the constraint; move the if clause to
5009 do so after those that reject the insn.
5010 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5012 (find_dummy_reload): Likewise.
5013 * doc/tm.texi (Register Classes): Document what it means
5014 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5015 * config/i386/i386.c (ix86_preferred_reload_class): Force
5016 using SSE registers (and return NO_REGS for floating-point
5017 constants) if math is done with SSE.
5018 (ix86_preferred_output_reload_class): New.
5019 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5020 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5021 * config/i386/i386.md: Remove # register preferences.
5023 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5026 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5027 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5028 the type of nb_iter.
5029 (instantiate_parameters_1): Convert the operands before calling
5030 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5031 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5033 2006-04-02 Roger Sayle <roger@eyesopen.com>
5035 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5036 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5038 * dojump.c (do_jump): Likewise.
5039 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5040 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5041 gimplify_boolean_expr): Likewise.
5042 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5043 * varasm.c (array_size_for_constructor): Likewise.
5044 * tree-object-size.c (compute_object_offset): Likewise.
5046 2006-04-02 Roger Sayle <roger@eyesopen.com>
5049 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5050 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5052 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5054 PR tree-optimization/26939
5055 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5057 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5059 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5060 at_stmt. Convert the type of operands before calling
5061 build_polynomial_chrec.
5062 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5064 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5065 (instantiate_parameters_1): Convert the type of operands before calling
5066 build_polynomial_chrec.
5067 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5068 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5069 reset_evolution_in_loop): Insert asserts to check the types of the
5071 (chrec_type): Moved...
5072 (eq_evolutions_p): Use operand_equal_p.
5073 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5074 the types of the operands.
5075 (chrec_type): ...here.
5076 * tree-data-ref.c (create_data_ref): Convert the operands before
5077 calling chrec_replace_initial_condition.
5078 (same_access_functions, analyze_subscript_affine_affine,
5079 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5080 (compute_subscript_distance, analyze_ziv_subscript,
5081 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5082 analyze_miv_subscript): Convert the operands before calling
5083 chrec_fold_minus or chrec_fold_plus.
5085 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5087 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5088 the dependence_relations vector.
5089 (compute_data_dependences_for_loop): Adjust call to
5090 compute_all_dependences.
5092 2006-04-01 Roger Sayle <roger@eyesopen.com>
5093 Richard Henderson <rth@redhat.com>
5095 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5096 gimple_boolify on the condition before calling gimplify_expr.
5098 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5100 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5101 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5102 the frame size. Update to use the new macros.
5103 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5104 * config/xtensa/ieee754-df.S: Likewise.
5106 2006-03-31 Richard Henderson <rth@redhat.com>
5108 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5109 (make_edges): ... here. Control fallthru creation with a local
5110 variable. Do not play with fake edges.
5111 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5112 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5115 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5117 * dwarf2.h (DW64_CIE_ID): Define.
5118 * dwarf2out.c (DWARF_CIE_ID): Define.
5119 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5120 length header. Use DWARF_CIE_ID.
5121 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5122 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5124 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5126 * config/sh/linux-atomic.asm: New file.
5127 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5129 2006-03-31 DJ Delorie <dj@redhat.com>
5131 * config/m32c/cond.md: Set condition flags properly throughout.
5132 * config/m32c/minmax.md: Likewise.
5133 * config/m32c/prologue.md: Likewise.
5134 * config/m32c/bitops.md: Likewise.
5135 * config/m32c/muldiv.md: Likewise.
5136 * config/m32c/mov.md: Likewise.
5137 * config/m32c/addsub.md: Likewise.
5138 * config/m32c/m32c.md: Likewise.
5139 * config/m32c/jump.md: Likewise.
5140 * config/m32c/shift.md: Likewise.
5142 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5143 conditionally output the pattern for this.
5144 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5145 (m32c_compare_redundant): New.
5146 (m32c_output_compare): New.
5147 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5149 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5150 dest, not src. Allow other 4-byte modes.
5152 2006-03-30 Denis Chertykov <denisc@overta.ru>
5154 * doc/md.texi: Refer to avr/constraints.md instead of
5157 2006-03-30 Roger Sayle <roger@eyesopen.com>
5159 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5160 signed vs. unsigned comparison failures on some hosts.
5162 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5165 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5166 change to FLOAT_REGS.
5168 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5169 (rs6000_override_options): Use it.
5170 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5171 only for -mabi=spe/no-spe and -mabi=altivec.
5173 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5175 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5178 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5180 * Makefile.in: Rename docdir to gcc_docdir.
5182 2006-03-30 Roger Sayle <roger@eyesopen.com>
5185 * expr.c (emit_group_store): Optimize group stores into a pseudo
5186 register by using a paradoxical subreg to initialize the destination
5187 if the first or last member of the group specifies a "low part".
5189 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5192 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5193 * target.h (struct gcc_target.speculate_insn): Change type of the
5194 second parameter to 'int'.
5195 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5196 the second operand of the DEPS_LIST.
5197 (copy_DEPS_LIST_list): Update reference to the second operand of the
5199 * rtl.h (alloc_DEPS_LIST): Update signature.
5200 * sched-int.h (ds_t): Change typedef to 'int'.
5201 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5203 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5205 * haifa-sched.c (try_ready): Change condition to restore
5206 non-speculative pattern of the instruction.
5207 (process_insn_depend_be_in_spec): Code to keep probability of the
5208 speculative dependence non-decreasing.
5210 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5212 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5213 (single_move_for_movmem): ... this. Also change all uses.
5214 (bfin_expand_strmov): Renamed to...
5215 (bfin_expand_movmem): ... this. Also change all uses.
5216 * config/bfin/bfin.md (movstrsi): Renamed to...
5217 (movstrsi): ...this.
5219 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5221 PR tree-optimization/26830
5223 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5224 (copy_prop_visit_stmt): Remove write-only variable ann.
5225 (init_copy_prop): Check variable loop depth here. Do not simulate
5226 memory-tag and virtual operand PHIs except for store copy prop.
5228 2006-03-30 Richard Guenther <rguenther@suse.de>
5230 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5231 variants with double arguments.
5233 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5235 * genpreds.c (write_tm_constrs_h): Delete variable p.
5236 * genconditions.c (write_header): Add tm-constrs.h to included
5238 * genpeep.c (main): Add toplev.h to included headers.
5239 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5240 (build/genpeep.o): Add toplev.h dependency.
5241 * config/rs6000/constraints.md: Add "W" constraint.
5243 2006-03-29 Roger Sayle <roger@eyesopen.com>
5245 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5246 sizes by correctly testing whether the size fits a host integer.
5247 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5248 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5249 SImode range for the default sizetype and bitsizetype.
5251 2006-03-29 Roger Sayle <roger@eyesopen.com>
5253 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5254 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5255 quickly if the argument is already of the correct type.
5256 Call fold_build1 instead of build1. Tidy up blank lines.
5258 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5260 * genemit.c (main): Add tm-constrs.h to included headers.
5261 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5262 * genpeep.c (main): Add tm-constrs.h to included headers.
5263 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5264 (write_tm_constrs_h): this and write complete file.
5265 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5266 (write_insn_preds_c): Add tm-constrs.h to included headers.
5267 (gen_constrs): New variable.
5268 (parse_option): Parse "-c".
5269 (main): Invoke write_tm_constrs_h.
5270 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5271 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5272 (object_out_file): Add tm-constrs.h dependency.
5273 (insn-emit.o): Same.
5274 (insn-output.o): Same.
5275 (insn-peep.o): Same.
5276 (insn-preds.o): Same.
5277 (insn-recog.o): Same.
5278 (tm-constsr.h): New target.
5279 (s-constrs-h): New target.
5281 * config/rs6000/constraints.md: New file.
5282 * config/rs6000/rs6000.c: Include tm-constrs.h.
5283 (num_insn_constant_wide): Convert to satisfies_constraint.
5284 (rs6000_rtx_costs): Convert to satisfies_constraint.
5285 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5286 (CONST_OK_FOR_LETTER_P): Delete.
5287 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5288 (EXTRA_CONSTRAINT): Delete.
5289 (EXTRA_MEMORY_CONSTRAINT): Delete.
5290 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5291 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5292 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5293 satisfies_constraint.
5295 * config/i386/i386.c: Include tm-constrs.h.
5297 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5299 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5300 * tree-data-ref.c (find_data_references_in_loop,
5301 compute_data_dependences_for_loop): Use pointers to VEC.
5302 (analyze_all_data_dependences): Adjust calls.
5303 * tree-data-ref.h (find_data_references_in_loop,
5304 compute_data_dependences_for_loop): Adjust declarations.
5305 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5306 compute_data_dependences_for_loop.
5308 2006-03-29 Paul Brook <paul@codesourcery.com>
5310 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5313 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5315 PR tree-optimization/26859
5316 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5318 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5319 for the step after fold_convert.
5321 2006-03-29 Paul Brook <paul@codesourcery.com>
5323 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5324 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5326 2006-03-29 Paul Brook <paul@codesourcery.com>
5329 * targhooks.c (default_narrow_bitfield): New fuction.
5330 * targhooks.h (default_narrow_bitfield): add prototype.
5331 * target.h (gcc_target): Add narrow_volatile_bitfield.
5332 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5333 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5334 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5335 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5337 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5339 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5341 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5342 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5343 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5344 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5345 (s390_function_arg_float): Allow SDmode and DDmode values to be
5346 passed in floating point registers.
5347 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5348 check with SCALAR_FLOAT_MODE_P.
5349 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5351 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5353 PR tree-optimization/25985
5354 * tree-ssa-loop-niter.c (number_of_iterations_le,
5355 number_of_iterations_ne): Make comments more precise.
5356 (number_of_iterations_cond): Add only_exit argument. Use the
5357 fact that signed variables do not overflow only when only_exit
5359 (loop_only_exit_p): New.
5360 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5361 number_of_iterations_cond.
5363 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5365 PR tree-optimization/26643
5366 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5369 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5371 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5372 (divsi3_i4_int): Likewise.
5374 2006-03-28 Roger Sayle <roger@eyesopen.com>
5376 * expr.c (emit_group_store): Only create a new pseudo reg if the
5377 quantity it needs to hold isn't already a suitable pseudo.
5379 2006-03-28 Jeff Law <law@redhat.com>
5381 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5382 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5384 2006-03-28 Roger Sayle <roger@eyesopen.com>
5386 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5387 the equivalent ~X & Y, and the symmetry related transformations.
5388 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5389 ~X & Y, and symmetry related transforms.
5391 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5393 Revert my 2006-03-27 patches.
5395 2006-03-28 Roger Sayle <roger@eyesopen.com>
5397 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5398 ~(T1)X, when T1 and T2 are integer types of the same precision
5399 and (T2)X isn't an extension.
5401 2006-03-28 Jeff Law <law@redhat.com>
5403 PR tree-optimization/26796
5404 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5405 need EH edge cleanups rather than purging them immediately.
5406 (eliminate_degenerate_phis): Handle queued EH cleanups.
5408 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5410 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5413 2006-03-27 Roger Sayle <roger@eyesopen.com>
5416 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5417 cast BIT_NOT_EXPR operand to the correct type.
5419 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5421 * tree-loop-linear.c: Don't include varray.h.
5422 (gather_interchange_stats, try_interchange_loops,
5423 linear_transform_loops): Use VEC instead of VARRAY.
5424 * lambda-mat.c: Don't include varray.h.
5425 * tree-chrec.c: Same.
5426 * lambda-trans.c: Same.
5427 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5428 VEC instead of VARRAY.
5429 * tree-vectorizer.h: Idem.
5430 * tree-data-ref.c (dump_data_references,
5431 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5432 initialize_data_dependence_relation, finalize_ddr_dependent,
5433 compute_all_dependences, find_data_references_in_loop,
5434 compute_data_dependences_for_loop, analyze_all_data_dependences,
5435 free_dependence_relation, free_dependence_relations,
5436 free_data_refs): Idem.
5437 * tree-data-ref.h (data_reference_p, subscript_p): New.
5438 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5439 VEC instead of VARRAY.
5440 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5441 (find_data_references_in_loop, compute_data_dependences_for_loop,
5442 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5443 dump_data_dependence_relations, free_dependence_relations,
5444 free_data_refs): Adjust declaration.
5445 (lambda_transform_legal_p): Move declaration here...
5446 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5447 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5448 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5449 vect_analyze_data_refs): Use VEC instead of VARRAY.
5450 * lambda.h (lambda_transform_legal_p): ...from here.
5451 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5452 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5453 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5454 tree-chrec.o): Don't depend on VARRAY_H.
5456 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5458 * rtl.def (Copyright): Update date.
5459 (DEPS_LIST): Change type of the second operand to 'int'.
5460 * target.h (Copyright): Update date.
5461 (struct gcc_target.speculate_insn): Change type of the second parameter
5463 * lists.c (Copyright): Update date.
5464 (alloc_DEPS_LIST): Change signature. Update reference to the second
5465 operand of the DEPS_LIST.
5466 (copy_DEPS_LIST_list): Update reference to the second operand of the
5468 * rtl.h (Copyright): Update date.
5469 (alloc_DEPS_LIST): Update signature.
5470 * sched-int.h (Copyright): Update date.
5471 (ds_t): Change typedef to 'int'.
5472 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5474 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5476 * haifa-sched.c (Copyright): Update date.
5477 (try_ready): Change condition to restore non-speculative pattern
5479 (process_insn_depend_be_in_spec): Code to keep probability of the
5480 speculative dependence non-decreasing.
5482 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5484 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5485 shut up the compiler.
5487 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5489 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5490 to use lib prefix for target.
5491 ($(T)libic_invalidate_array_4-200.a): Likewise.
5492 ($(T)libic_invalidate_array_4a.a): Likewise.
5494 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5495 J"orn Rennecke <joern.rennecke@st.com>
5497 * superh.opt: New file.
5498 * sh.c (boardtype, osruntime): Remove.
5499 * superh.h (SUBTARGET_OPTIONS): Remove.
5500 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5502 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5503 arguments with ^ and/or [].
5505 * config.gcc (sh-*-*): Add quoting to account for quirk of
5507 Replace == with = in enable_incomplete_targets test.
5509 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5510 with MASK_LITTLE_ENDIAN.
5512 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5513 * config/sh/sh.opt: Added to some comments.
5514 * config/sh/superh.h: Removed some chaff.
5516 * config/sh/sh.opt: Add m4-[1234]00* options.
5517 * config/sh/sh.c (sh_handle_option): Likewise.
5518 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5519 (ic_invalidate_array_4-100.o): New rule.
5520 ($(T)libic_invalidate_array_4-100.a): Likewise.
5521 (ic_invalidate_array_4-200.o): Likewise.
5522 ($(T)libic_invalidate_array_4-200.a): Likewise.
5523 (ic_invalidate_array_4a.o): Likewise.
5524 ($(T)libic_invalidate_array_4a.a): Likewise.
5525 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5526 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5528 * config/sh/crt1.asm: Merged in profiling code.
5529 * config/sh/superh.h (STARTFILE_SPEC): Override.
5530 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5531 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5532 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5534 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5535 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5536 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5538 * sh.opt (mpretend-cmove): New option.
5539 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5540 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5541 (movsicc): Add TARGET_PRETEND_CMOVE code.
5543 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5545 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5546 s390_class_max_nregs): New function prototypes.
5547 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5548 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5549 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5550 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5552 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5554 * dwarf2out.c (add_location_or_const_value_attribute): Call
5555 tree_add_const_value_attribute if nothing else works.
5556 (reference_to_unused): New.
5557 (rtl_for_decl_init): Use reference_to_unused to decide whether
5558 to output an initializer.
5560 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5563 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5564 peephole removing spe frob_di_df_2.
5566 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5568 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5569 (subscript_dependence_tester_1): Declared.
5570 (print_dir_vectors, print_dist_vectors): New.
5571 (debug_data_dependence_relation): New.
5572 (dump_data_dependence_relation): Print more details.
5573 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5574 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5575 (save_dist_v, save_dir_v, add_outer_distances,
5576 build_classic_dist_vector_1): New.
5577 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5578 Don't test for lambda_vector_lexico_pos.
5579 (same_access_functions, add_multivariate_self_dist,
5580 add_other_self_distances, dir_from_dist): New.
5581 (build_classic_dir_vector): Replace implementation almost identical to
5582 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5584 (subscript_dependence_tester_1): New.
5585 (subscript_dependence_tester): Handle the lexicographically negative
5586 distance vectors by recomputing the dependence relation.
5587 (compute_affine_dependence): Remove parameter loop_nest_depth.
5588 (compute_self_dependence): Don't call compute_subscript_distance.
5589 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5590 Add a parameter for the loop_nest.
5591 (find_loop_nest_1, find_loop_nest): New.
5592 (compute_data_dependences_for_loop): Compute the loop nest, and give
5593 up if the nest is not well formed.
5594 * tree-data-ref.h (loop_p): New.
5595 (struct data_dependence_relation): Replace size_vect field with
5596 loop_nest, a vec of loops.
5597 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5598 (DDR_LOOP_NEST): New.
5599 (print_dir_vectors, print_dist_vectors,
5600 debug_data_dependence_relation): Declared.
5601 (index_in_loop_nest): New.
5602 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5603 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5606 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5608 * simplify-rtx.c (simplify_relational_operation): Call
5609 simplify_relational_operation_1 even if mode is VOIDmode.
5611 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5613 PR tree-optimization/26804
5614 * tree.h (DECL_CALL_CLOBBERED): New macro.
5615 (tree_decl_common): Add call_clobbered_flag.
5616 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5617 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5618 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5619 (mark_non_addressable): Ditto.
5620 * tree-ssa.c (verify_call_clobbered): New function.
5621 (verify_alias_info): Use it.
5622 * tree-pass.h (pass_reset_cc_flags): New prototype.
5623 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5624 (reset_cc_flags): New function.
5625 * passes.c (init_optimization_passes): Call reset_cc_flags after
5626 initializing referenced_vars.
5628 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5629 Roger Sayle <roger@eyesopen.com>
5632 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5633 to 1.0 for non-real operands. Implement A / A optimization for
5636 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5638 * config/i386/i386.c (size_cost): Correct the comment for
5639 cost of storing fp registers.
5640 (i386_cost): Likewise.
5641 (i486_cost): Likewise.
5642 (pentium_cost): Likewise.
5643 (pentiumpro_cost): Likewise.
5644 (k6_cost): Likewise.
5645 (athlon_cost): Likewise.
5646 (k8_cost): Likewise.
5647 (pentium4_cost): Likewise.
5648 (nocona_cost): Likewise.
5649 (generic64_cost): Likewise.
5650 (generic32_cost): Likewise.
5652 2006-03-24 Denis Chertykov <denisc@overta.ru>
5654 * config/avr/avr-protos.h (extra_constraint): Delete.
5655 (extra_constraint_Q): New declaration.
5656 * config/avr/constraints.md: New file.
5657 * config/avr/avr.md: Include it.
5658 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5659 (TMP_REGNO, ZERO_REGNO): Likewise.
5660 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5661 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5662 (extra_constraint): Delete.
5663 (extra_constraint_Q): Test for memory constraint 'Q'.
5664 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5665 (REG_CLASS_FROM_LETTER): Delete.
5666 (CONST_OK_FOR_LETTER_P): Delete.
5667 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5668 (EXTRA_CONSTRAINT): Delete.
5669 (TMP_REGNO): Delete.
5670 (ZERO_REGNO): Delete.
5672 2006-03-24 Jeff Law <law@redhat.com>
5674 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5675 directly. Call mark_new_vars_to_rename slightly earlier.
5677 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5679 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5681 (gen_compile_unit_die): Use new language types for Objective-C and
5683 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5684 DW_LANG_C_plus_plus.
5687 * config/t-darwin (crt3.o): Work around bug 26840.
5688 * config/darwin-crt3.c: Rewrite.
5689 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5691 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5693 * doc/invoke.texi: Document -femit-class-debug-always
5694 * common.opt: Add -femit-class-debug-always.
5696 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5698 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5699 index and base register.
5700 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5701 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5702 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5703 REGNO_OK_FOR_INDEX_P.
5704 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5706 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5707 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5708 REG_OK_FOR_BASE_P): Definitions removed.
5710 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5713 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5714 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5715 set yet or weren't marked as local yet.
5717 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5719 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5722 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5724 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5725 (rs6000_legitimate_small_data_p): Delete.
5726 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5727 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5728 and make static. Add forward declaration. Update uses.
5729 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5730 of offsettable_memref_p.
5731 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5732 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5734 2006-03-24 Jeff Law <law@redhat.com>
5736 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5737 around bug in immediate-use iterator.
5739 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5742 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5743 or __LITTLE_ENDIAN__.
5745 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5747 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5748 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5749 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5750 * config/sh/sh.opt (mdiv=): Amend description.
5751 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5752 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5753 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5754 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5755 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5756 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5757 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5758 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5759 TARGET_DIVIDE_CALL_FP.
5761 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5763 * haifa-sched.c (choose_ready): Fix type of the local variable.
5764 Move local variables. Add comment.
5765 (check_reg_live): Change signature. Make callable from debugger.
5766 * sched-int.h (check_reg_live): Update signature.
5767 * sched-ebb.c (check_reg_live): Update parameters.
5768 * sched-rgn.c (check_reg_live): Ditto.
5769 (region_head_or_leaf_p): Check pointer before dereferencing.
5770 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5771 before reload on optimization levels below 1.
5773 2006-03-23 Richard Henderson <rth@redhat.com>
5775 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5779 * config/alpha/predicates.md (local_symbolic_operand): Reject
5782 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5785 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5786 expressions which have overflowed constants.
5788 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5790 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5792 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5794 * cfgloopmanip.c (create_loop_notes): Removed.
5795 * final.c (final_scan_insn): Do not handle loop notes.
5796 * jump.c (squeeze_notes): Ditto.
5797 * cfglayout.c (skip_insns_after_block,
5798 duplicate_insn_chain): Ditto.
5799 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5801 * cfgloop.h (create_loop_notes): Declaration removed.
5803 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5805 * varasm.c (output_constant_pool): Restore fnname and fndecl
5807 (assemble_start_function): Adjust call accordingly.
5808 (assemble_end_function): Likewise.
5810 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5813 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5816 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5818 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5821 * system.h (ICE_EXIT_CODE): New macro.
5822 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5823 (diagnostic_action_after_output): Likewise.
5824 * gcc.c (fatal_ice): New function.
5825 (execute): Use it instead of fatal.
5826 (fancy_abort): Likewise.
5827 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5829 2006-03-22 Jeff Law <law@redhat.com>
5831 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5832 iv_analyze_result returning false.
5834 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5836 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5838 2006-03-22 Richard Henderson <rth@redhat.com>
5841 * except.c (duplicate_eh_regions_0): New.
5842 (duplicate_eh_region_1): Duplicate the children of the node as
5843 well as the node itself. Link them up properly.
5844 (duplicate_eh_region_2): Merge into ...
5845 (duplicate_eh_regions): ... here. Take copy_region argument, and
5846 copy only a sub-tree if asked. Simplify copying and fixup.
5847 (eh_region_outer_p): New.
5848 * except.h (duplicate_eh_regions): Update decl.
5849 (eh_region_outer_p): Declare.
5850 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5851 (lower_omp_master): Likewise.
5852 (lower_omp_ordered): Likewise.
5853 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5854 (move_stmt_r): Use it to remap labels. Handle recursion vs
5855 remap_decls_p properly.
5856 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5857 (find_outermost_region_in_block): New.
5858 (new_label_mapper): New.
5859 (move_sese_region_to_fn): Copy eh information to the new function
5861 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5863 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5866 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5868 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5869 into shared libraries.
5871 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5873 * doc/md.texi: Refer to i386/constraints.md instead of
5875 * config/i386/constraints.md: New file, extracted from...
5876 * config/i386/predicates.md: ...here.
5877 * config/i386/i386.md: Include constraints.md.
5879 2006-03-21 Jason Merrill <jason@redhat.com>
5881 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5884 * expr.c (init_block_move_fn): Force default visibility.
5885 (init_block_clear_fn): Likewise.
5886 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5887 * targhooks.c (default_external_stack_protect_fail): Likewise.
5889 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5891 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5892 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5893 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5894 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5895 (loadgp): Use mips_current_loadgp_style.
5896 (loadgp_noshared): New pattern.
5897 (sibcall_internal): Use MIPS_CALL.
5898 (sibcall_value_internal): Likewise.
5899 (sibcall_value_multiple_internal): Likewise.
5900 (call_internal): Likewise.
5901 (call_value_internal): Likewise.
5902 (call_value_multiple_internal): Likewise.
5903 (call_split): Use MIPS_CALL and add an 'S' constraint.
5904 (call_value_split): Likewise.
5905 (call_value_multiple_split): Likewise.
5906 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5907 (-mshared): New option.
5908 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5909 (mips_current_loadgp_style): Declare.
5910 * config/mips/mips.c (mips_classify_symbol): Avoid using
5911 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5912 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5913 TARGET_ABSOLUTE_ABICALLS.
5914 (override_options): Adjust comments. Improve the warning that is
5915 issued when -mabicalls and -G are used together.
5916 (mips_file_start): Remove comment.
5917 (mips_current_loadgp_style): New function.
5918 (mips_gnu_local_gp): New variable.
5919 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5921 (mips_output_function_prologue): Use mips_current_laodgp_style.
5922 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5923 the cprestore instruction.
5924 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5925 live for TARGET_ABSOLUTE_ABICALLS.
5926 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5927 (ASM_SPEC): Pass down -mshared and -mno-shared.
5928 (MIPS_CALL): New macro.
5929 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5931 * doc/invoke.texi (-mabicalls): Update documentation.
5932 (-mshared): Document.
5934 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5936 * config/ia64/unwind-hpux.c: New file.
5937 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5939 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5942 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5944 2006-03-21 Jeff Law <law@redhat.com>
5946 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5947 type conversions of a VR_VARYING source to a wider type.
5949 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5951 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5952 tm_file on Solaris 10 and later.
5953 (sparc64-*-solaris2*): Likewise.
5954 (sparc-*-solaris2*): Likewise.
5955 * config/sol26.h: Rename to config/sol2-6.h.
5956 * config/sol2-10.h: New file.
5958 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5961 * tree-ssa-pre.c (create_component_ref_by_pieces):
5964 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5967 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5968 return it immediately.
5970 2006-03-21 Michael Matz <matz@suse.de>
5972 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5974 (remove_arc, add_arc): Update num_out_arcs member.
5975 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5977 (cache_presence): New function.
5978 (compare_states_for_equiv): New function.
5979 (state_is_differed): Don't take number of outargs, adjust callers.
5980 Use new invariant for speeding up.
5981 (init_equiv_class): Create initial classes based on sorted
5983 (partition_equiv_class): Don't track out_arcs_num.
5984 (evaluate_equiv_classes): Call cache_presence on all states and
5987 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5989 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5990 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5991 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5992 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5994 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5995 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5996 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5997 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5998 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6000 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6001 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6002 (REGNO_REG_CLASS): ARGP is in PREGS.
6003 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6005 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6006 to deal with those addresses.
6007 * addresses.h: New file.
6008 * caller-save.c: Include "addresses.h".
6009 (init_caller_save): Use new base_reg_class function.
6010 * rtl-factoring.c: Include "addresses.h".
6011 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6012 * recog.c: Include "addresses.h".
6013 (preprocess_constraints): Use new base_reg_class function.
6014 * regrename.c: Include "addresses.h".
6015 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6016 functions. Keep track of a new var INDEX_CODE to compute valid
6018 (replace_oldest_value_addr): Likewise.
6019 (replace_oldest_value_mem): Use base_reg_class.
6020 * reload.c: Include "addresses.h".
6021 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6022 (find_reloads): Use new base_reg_class function.
6023 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6024 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6025 all callers and prototype changed.
6026 * reload1.c: Include "addresses.h".
6027 (maybe_fix_stack_asms): Use base_reg_class.
6028 * regclass.c: Include "addresses.h".
6029 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6030 (init_reg_autoinc): Use new base_reg_class function.
6031 (record_reg_classes): Likewise.
6032 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6033 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6034 Use new args to compute necessary class.
6036 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6037 regrename.o, rtl-factoring.o): Update dependencies.
6038 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6039 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6040 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6041 REG_OK_FOR_INDEX_P): Delete documentation.
6043 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6045 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6046 from V7 to V9 for Solaris 7 and above.
6048 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6050 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6051 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6052 argument pointers may not alias any other storage.
6053 * common.opt: Define option -fargument-noalias-anything.
6054 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6055 alias semantics is specified by flag_argument_noalias > 2.
6057 2006-03-20 Jeff Law <law@redhat.com>
6059 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6060 (pass_phi_only_cprop): Declare.
6061 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6063 * tree-ssa-dom.c (degenerate_phi_result): New function.
6064 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6065 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6066 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6067 (eliminate_degenerate_phis): Likewise.
6068 (pass_phi_only_cprop): New pass descriptor.
6069 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6070 support code. Callers updated.
6071 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6072 (store_copy_prop): Likewise.
6073 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6075 2006-03-20 Jason Merrill <jason@redhat.com>
6078 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6079 (push_visibility, pop_visibility): Likewise.
6080 * c-pragma.h: Declare them.
6082 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6084 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6086 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6087 parameter and use get_ebb_head_tail.
6088 (sh_md_init_global): Adjust uses of find_regmode_weight.
6090 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6092 * function.h (struct function) <x_tail_recursion_reentry>:
6093 Rename to x_stack_check_probe_note.
6094 (tail_recursion_reentry): Rename to stack_check_probe_note.
6095 * function.c: Replace tail_recursion_reentry with
6096 stack_check_probe_note everywhere.
6097 (expand_function_start): Only emit a note for
6098 stack_check_probe_note with -fstack-protect.
6099 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6101 * emit-rtl.c (remove_unnecessary_notes): Remove.
6102 (pass_remove_unnecessary_notes): Remove.
6103 * rtl.h (remove_unnecessary_notes): Remove prototype.
6104 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6105 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6106 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6108 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6111 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6112 (valid_in_set): Handle ARRAY_REF.
6113 Change "if min_variant or VH" to asserts.
6114 (create_component_ref_by_pieces): Handle ARRAY_REF.
6115 (create_expression_by_pieces): Likewise.
6116 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6118 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6120 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6121 is operand of switch, not str[0].
6123 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6125 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6126 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6128 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6130 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6131 end of insn_extra_address_constraint declaration.
6133 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6135 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6136 (no-sum-in-toc): Same.
6137 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6139 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6140 NO_FP_IN_TOC for -fPIC instead of mask.
6142 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6143 (BOOT_LDFLAGS): Delete.
6145 * config/rs6000/t-aix52: Same.
6147 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6148 (stmsi[345678]_power): New.
6150 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6152 * config/ia64/ia64.opt: Add empty line to end of file.
6154 2006-03-17 Richard Guenther <rguenther@suse.de>
6157 * builtins.c (get_pointer_alignment): For component style references
6158 adjust alignment to the component type alignment. Make sure
6159 to adjust alignment for component access of constants.
6161 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6163 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6166 2006-03-17 Paul Brook <paul@codesourcery.com>
6168 * doc/install.texi: Docuemnt --with-mode.
6169 * config.gcc: Add --with-mode for arm*-*-*.
6170 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6172 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6174 * sh.c (max_labelno_before_reorg): New variable.
6175 (sh_reorg): Initialize it.
6176 (find_barrier): Check max_labelno_before_reorg before using
6177 label_to_alignment. Take length of explicit alignment insns
6178 into account. When seeing a UNSPECV_CONST_END, return it.
6180 * sh.c (fixup_mova): Set mode of affected label to QImode.
6181 (untangle_mova): New function.
6182 (find_barrier): Use it. Check mode of label before decrementing
6184 (sh_reorg): Likewise.
6185 Set mode of all insns back to VOIDmode.
6187 * sh.c (MOVA_LABELREF): New macro.
6188 (mova_p, fixup_mova, sh_reorg): Use it.
6189 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6190 ADDR_DIFF_VEC matches mova.
6192 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6194 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6195 with ATTRIBUTE_UNUSED.
6197 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6199 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6200 pointer, instead of assuming it is possible to derive the
6201 correct args size from a call insn.
6203 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6205 * rtl.h (CONST_INT_P): Define.
6206 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6207 instead of GET_CODE(x) == CONST_INT.
6208 (vax_rtx_costs): Likewise.
6209 (vax_output_int_move): Likewise.
6210 (vax_output_int_add): Likewise.
6211 (legitimate_constant_address_p): Likewise.
6212 (index_term_p): Likewise.
6213 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6214 * config/vax/vax.md (and<mode>3): Likewise.
6215 (ashrsi3): Likewise.
6217 (movstricthi): Likewise.
6218 (movstrictqi): Likewise.
6219 (rotrsi3): Likewise.
6220 (five unnamed insns): Likewise.
6222 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6224 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6225 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6226 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6227 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6228 Pass to ASM_OUTPUT_DWARF_OFFSET.
6229 * dwarf2out.c (debug_frame_section): New.
6230 (output_call_frame_info): Use debug_frame_section. Pass it to
6231 dw2_asm_output_offset.
6232 (output_die): Pass appropriate section to dw2_asm_output_offset.
6233 (output_compilation_unit_header): Likewise.
6234 (output_pubnames): Likewise.
6235 (output_aranges): Likewise.
6236 (enum dw_val_class): Break dw_val_class_lbl_offset into
6237 dw_val_class_lineptr and dw_val_class_macptr.
6238 (add_AT_lbl_offset): Delete.
6239 (add_AT_lineptr): New.
6240 (add_AT_macptr): New.
6241 (AT_lbl): Expect a lineptr or macptr.
6242 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6243 (attr_checksum): Likewise.
6244 (same_dw_val_p): Likewise.
6245 (size_of_die): Likewise.
6246 (value_format): Likewise.
6247 (output_die): Likewise.
6248 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6250 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6251 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6252 * config/darwin-protos.h (darwin_file_start): New.
6253 (darwin_asm_output_dwarf_offset): New.
6254 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6255 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6257 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6258 if not EH section; simplify.
6259 (darwin_file_start): New.
6260 (darwin_asm_output_dwarf_offset): New.
6261 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6263 (DEBUG_INFO_SECTION): Likewise.
6264 (DEBUG_ABBREV_SECTION): Likewise.
6265 (DEBUG_ARANGES_SECTION): Likewise.
6266 (DEBUG_MACINFO_SECTION): Likewise.
6267 (DEBUG_LINE_SECTION): Likewise.
6268 (DEBUG_LOC_SECTION): Likewise.
6269 (DEBUG_PUBNAMES_SECTION): Likewise.
6270 (DEBUG_STR_SECTION): Likewise.
6271 (DEBUG_RANGES_SECTION): Likewise.
6272 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6273 (ASM_OUTPUT_DWARF_OFFSET): New.
6275 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6277 * config.gcc (tm_defines): Always add to previous value rather
6280 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6282 * config/mips/predicates.md (splittable_const_int_operand): New,
6283 split from move_operand.
6284 (splittable_symbolic_operand): New.
6285 (move_operand): Add commentary. Use splittable_const_int_operand.
6286 Inline mips_atomic_symbolic_constant_p.
6287 * config/mips/mips.md: Add combine splitters for handling moves
6288 of splittable_const_int_operands and splittable_symbolic_operands.
6289 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6290 (mips_split_symbol): Declare.
6291 (mips_move_integer): Declare.
6292 * config/mips/mips.c (mips_split_p): Make global.
6293 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6294 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6295 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6296 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6297 (mips_offset_within_object_p): Handle block symbols.
6298 (mips_atomic_symbolic_constant_p): Delete.
6299 (mips_cannot_force_const_mem): Return false for constants that
6300 mips_legitimize_move can handle.
6301 (mips_use_blocks_for_constant_p): New function.
6302 (mips_split_symbol): Make global.
6303 (mips_move_integer): Likewise. Add a temporary register argument.
6304 (mips_legitimize_const_move): Use splittable_const_int_operand and
6305 splittable_symbolic_operand.
6306 (mips_use_anchors_for_symbol_p): New function.
6307 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6308 (mips_split_p): Declare.
6310 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6312 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6313 (mips*-*-linux*): Likewise.
6315 2006-03-16 Roger Sayle <roger@eyesopen.com>
6316 Daniel Speyer <dspeyer@wam.umd.edu>
6319 * tree-dump.c (dump_real): New function.
6320 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6321 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6322 (tree-dump.o): Add $(REAL_H) to the dependencies.
6324 2006-03-16 Roger Sayle <roger@eyesopen.com>
6327 * real.c (real_from_string): If the mantissa is zero, don't bother
6328 parsing the exponent as the result should always be zero.
6330 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6332 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6334 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6336 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6337 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6338 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6339 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6340 ia64_sched_finish_global): New static functions to implement
6341 hooks from gcc_target.sched.
6342 (spec_check_no, max_uid, pending_data_specs): New static variables.
6343 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6344 ia64_spec_check_src_p): New static functions.
6345 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6346 (TARGET_SCHED_ADJUST_COST): Removed.
6347 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6348 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6349 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6350 TARGET_SCHED_GEN_CHECK,
6351 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6352 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6353 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6354 Fixed to handle speculation checks.
6355 (rtx_needs_barrier): Fixed to handle speculative loads and
6357 (ia64_variable_issue): Added code to count speculative loads and their
6359 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6361 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6363 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6365 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6366 (ia64_reorg): Reset stops_p to NULL after it is freed.
6367 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6368 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6369 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6371 (data_speculative, control_speculative, check_load): New attributes.
6372 (mov<mode>_advanced, mov<mode>_speculative,
6373 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6374 zero_extend<mode>di2_speculative,
6375 zero_extend<mode>di2_speculative_advanced): New patterns for
6376 data and control speculative loads.
6377 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6379 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6380 New pattern for data and control speculation checks.
6381 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6382 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6383 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6384 Auxiliary definitions for the patterns.
6385 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6386 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6388 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6390 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6391 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6392 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6393 New resource constraints.
6394 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6396 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6397 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6398 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6399 msched-in-control-spec, msched-ldc, msched-control-ldc,
6400 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6401 msched-prefer-non-control-spec-insns,
6402 msched-count-spec-in-critical-path): New flags to tune speculative
6404 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6405 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6406 msched-in-control-spec, msched-ldc, msched-control-ldc,
6407 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6408 msched-prefer-non-control-spec-insns,
6409 msched-count-spec-in-critical-path): Document new flags.
6411 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6413 * target.h (struct spec_info_def): New opaque declaration.
6414 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6415 speculate_insn, needs_block_p, gen_check,
6416 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6417 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6418 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6419 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6420 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6421 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6423 (TARGET_SCHED): Use new macros.
6424 * rtl.h (copy_DEPS_LIST_list): New prototype.
6425 * sched-int.h (struct sched_info): Change signature of new_ready field,
6426 adjust all initializations. New fields: add_remove_insn,
6427 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6428 region_head_or_leaf_p.
6429 (struct spec_info_def): New structure declaration.
6430 (spec_info_t): New typedef.
6431 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6432 recovery_block, orig_pat.
6433 (glat_start, glat_end): New variables declaraions.
6434 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6436 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6437 DETACH_LIFE_INFO, USE_GLAT.
6438 (enum SPEC_SCHED_FLAGS): New enumeration.
6439 (NOTE_NOTE_BB_P): New macro.
6440 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6441 attach_life_info, debug_spec_status, check_reg_live): New functions.
6442 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6443 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6445 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6446 * ddg.c (get_block_head_tail): Adjust all uses.
6447 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6448 (sms_sched_info): Initialize new fields.
6449 (contributes_to_priority): Removed.
6450 * haifa-sched.c (params.h): New include.
6451 (get_block_head_tail): Adjust all uses.
6452 (ISSUE_POINTS): New macro.
6453 (glat_start, glat_end): New global variables.
6454 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6455 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6456 old_last_basic_block, before_recovery, current_sched_info_var,
6457 rgn_n_insns, luid): New static variables.
6458 (insn_cost1): New function. Move logic from insn_cost to here.
6459 (find_insn_reg_weight1): New function. Move logic from
6460 find_insn_reg_weight to here.
6461 (reemit_notes, move_insn, max_issue): Change signature.
6462 (move_insn1): Removed.
6463 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6464 extend_bb): New static functions to support extension of scheduler's
6466 (generate_recovery_code, process_insn_depend_be_in_spec,
6467 begin_speculative_block, add_to_speculative_block,
6468 init_before_recovery, create_recovery_block, create_check_block_twin,
6469 fix_recovery_deps): New static functions to support
6470 generation of recovery code.
6471 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6472 restore_bb_notes, move_block_after_check, move_succs): New static
6473 functions to support ebb scheduling.
6474 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6475 functions to support handling of register live information.
6476 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6477 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6478 add_jump_dependencies): New static functions.
6479 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6480 consistancy checking.
6481 (debug_spec_status): New function to call from debugger.
6482 (priority): Added code to handle speculation checks.
6483 (rank_for_schedule): Added code to distinguish speculative instructions.
6484 (schedule_insn): Added code to handle speculation checks.
6485 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6486 Fixed to handle ebbs.
6487 (move_insn): Added code to handle ebb scheduling.
6488 (max_issue): Added code to use ISSUE_POINTS of instructions.
6489 (choose_ready): Added code to choose between speculative and
6490 non-speculative instructions.
6491 (schedule_block): Added code to handle ebb scheduling and scheduling of
6492 speculative instructions.
6493 (sched_init): Initialize new variables.
6494 (sched_finish): Free new variables. Print statistics.
6495 (try_ready): Added code to handle speculative instructions.
6496 * lists.c (copy_DEPS_LIST_list): New function.
6497 * sched-deps.c (extend_dependency_caches): New function. Move logic
6498 from create_dependency_caches to here.
6499 (get_dep_weak, ds_merge): Make global.
6500 * genattr.c (main): Code to output prototype for
6501 dfa_clear_single_insn_cache.
6502 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6503 (output_dfa_clean_insn_cache_func): Code to output
6504 dfa_clear_single_insn_cache function.
6505 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6507 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6509 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6510 New static variables.
6511 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6512 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6514 (ebb_sched_info): Initialize new fields.
6515 (get_block_head_tail): Adjust all uses.
6516 (compute_jump_reg_dependencies): Fixed to use glat_start.
6517 (schedule_ebb): Code to remove unreachable last block.
6518 (schedule_ebbs): Added code to update register live information.
6519 * sched-rgn.c (region_sched_info): Initialize new fields.
6520 (get_block_head_tail): Adjust all uses.
6521 (last_was_jump): Removed. Adjust users.
6522 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6523 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6524 Implement new hooks.
6525 (check_dead_notes1): New static function.
6526 (struct region): New fields: dont_calc_deps, has_real_ebb.
6527 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6528 (BB_TO_BLOCK): Fixed to handle EBBs.
6529 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6530 (ebb_head): New static variable.
6531 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6532 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6534 (compute_dom_prob_ps): New assertion.
6535 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6536 global_live_at_start.
6537 (init_ready_list): New assertions.
6538 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6539 (new_ready): Add support for BEGIN_CONTROL speculation.
6540 (schedule_insns): Fixed code that updates register live information
6542 (schedule_region): Fixed to handle EBBs.
6543 (init_regions): Use extend_regions and check_dead_notes1.
6544 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6545 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6546 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6547 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6548 TARGET_SCHED_GEN_CHECK,
6549 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6550 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6551 * doc/invoke.texi (max-sched-insn-conflict-delay,
6552 sched-spec-prob-cutoff): Document.
6554 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6556 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6557 inter_tick, queue_index.
6558 (struct sched_info): Change signature of init_ready_list field.
6559 Adjust all initializations.
6560 (RESOLVED_DEPS): New access macro.
6561 (ready_add): Remove prototype.
6562 (try_ready): Add prototype.
6563 * sched-rgn.c (init_ready_list): Use try_ready.
6564 (schedule_region): Initialize
6565 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6566 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6567 (init_ready_list): Use try_ready.
6568 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6569 * lists.c (remove_list_elem): Remove `static'.
6570 (remove_free_INSN_LIST_elem): New function.
6571 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6572 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6573 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6575 (readyp): New variable.
6576 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6577 change_queue_index, resolve_dep): New static functions.
6578 (try_ready): New function. Adjust callers in sched-rgn.c and
6579 sched-ebb.c to use it instead of ready_add.
6580 (clock_var): Move at the begining of file.
6581 (rank_for_schedule): Fix typo.
6582 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6583 (ready_lastpos): Enforce assertion.
6584 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6586 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6587 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6588 (queue_to_ready): Use free_INSN_LIST_list.
6589 (early_queue_to_ready): Fix typo.
6590 (schedule_block): Init readyp. Move init_ready_list call after the
6591 initialization of clock_var. Fix error in rejecting insn by
6592 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6593 that previously corrected INSN_TICKs. Add code for handling
6595 (set_priorities): Fix typo.
6596 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6597 Clarify comment and code that keeps current_sched_info->next_tail
6600 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6602 * sched-rgn.c (extend_rgns): New static function.
6603 (find_rgns): Use it.
6604 (gather_region_statistics, print_region_statistics): New static
6606 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6607 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6609 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6610 Andrey Belevantsev <abel@ispras.ru>
6612 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6613 * lists.c (unused_deps_list): New variable.
6614 (free_list): Add assertions to verify the proper distinguishing
6615 between INSN_LISTs and DEPS_LISTs.
6616 (find_list_elem, remove_list_elem, remove_list_node): New static
6618 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6619 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6620 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6621 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6623 (free_INSN_LIST_node): Likewise.
6624 * modulo-sched.c (current_sched_info): Initialize flags field.
6625 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6626 * rtl.def (DEPS_LIST): Define.
6627 * rtl.h: Declare new functions from lists.c.
6628 * sched-deps.c (spec_dependency_cache): New static variable.
6629 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6630 (add_dependence): Change return type to void. Move the logic to ...
6631 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6632 (delete_all_dependences): Add comment about forward_dependency_cache.
6633 Handle spec_dependency_cache. Handle DEPS_LISTs.
6634 (fixup_sched_groups): Clarify the change of priority of output
6635 and anti dependencies.
6636 (sched_analyze_2): Adjust add_dependence calls to create data
6637 speculative dependence.
6638 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6639 Adjust all callers. Handle DEPS_LISTS.
6640 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6641 presence of speculation.
6642 (init_dependency_caches, free_dependency_caches):
6643 Handle spec_dependency_cache.
6644 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6645 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6646 New static functions.
6647 (add_or_update_back_dep, add_or_update_back_forw_dep,
6648 add_back_forw_dep, delete_back_forw_dep): New functions.
6649 * sched-int.h (ds_t, dw_t): New typedefs.
6650 (struct sched_info): Add new field flags.
6651 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6652 Prototype new sched-deps.c functions.
6653 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6654 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6655 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6656 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6657 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6658 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6660 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6662 * sched-rgn.c (current_sched_info): Initialize flags field.
6663 (schedule_insns): Initialize current_sched_info before the sched_init
6665 * sched-ebb.c (current_sched_info): Initialize flags field.
6666 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6667 Call add_or_update_back_dep instead of add_dependence.
6668 Create control speculative dependencies.
6669 (schedule_insns): Initialize current_sched_info before the sched_init
6672 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6674 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6676 (sh_fallback_frame_state): Likewise.
6678 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6680 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6681 Do switch on default_use_cxa_atexit.
6682 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6683 * config/darwin-crt3.o: New.
6684 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6685 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6686 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6688 * config/rs6000/t-darwin: Move crt2.o building to here.
6689 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6690 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6693 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6695 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6696 from '! xxx' to '!xxx' for coding-style conformance.
6697 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6698 (EXTRA_CONSTRAINT): Likewise.
6699 * config/vax/vax.md (four unnamed insns): Likewise.
6701 2006-03-15 Paul Brook <paul@codesourcery.com>
6703 * config/arm/arm.c (minipool_pad): New.
6704 (add_minipool_forward_ref): Include pool alignment padding in address
6706 (push_minipool_fix): Set minipool_pad.
6707 (minipool_pad): Ditto.
6709 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6711 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6712 instead of GET_CODE() == MEM and REG_P() instead of
6714 (print_operand_address): Likewise.
6715 (vax_address_cost): Likewise.
6716 (vax_rtx_costs): Likewise.
6717 (vax_notice_update_cc): Likewise.
6718 (vax_output_int_add): Likewise.
6719 (INDEX_REGISTER_P): Likewise.
6720 (BASE_REGISTER_P): Likewise.
6721 (nonindexed_address_p): Likewise.
6722 (vax_mode_dependent_address_p): Likewise.
6723 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6724 (PRINT_OPERAND): Likewise.
6725 * config/vax/vax.md (ashlsi3): Likewise.
6726 (ashlsi3): Likewise.
6727 (some more unnamed insns): Likewise.
6729 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6731 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6732 iterator-style macro.
6733 (mark_control_dependent_edges_necessary): Update the use of
6734 EXECUTE_IF_CONTROL_DEPENDENT.
6736 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6738 * config/sh/predicates.md (cache_address_operand): Special.
6739 (ua_address_operand): Likewise.
6741 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6743 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6745 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6747 2006-03-15 Andreas Schwab <schwab@suse.de>
6749 * gensupport.c (identify_predicable_attribute): Don't free p_false
6750 when it is still in use.
6752 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6754 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6755 the default setting here.
6757 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6759 * tree-pass.h (pass_cfg): Remove.
6760 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6761 * passes.c (pass_cfg): Don't run it.
6763 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6765 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6766 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6768 (stack_regs_mentioned): Update the uses of
6769 stack_regs_mentioned_data. Don't access the array beyond its
6771 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6772 Don't include gt-reg-stack.h.
6774 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6775 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6777 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6780 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6783 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6785 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6787 2006-03-14 Richard Guenther <rguenther@suse.de>
6789 PR tree-optimization/26672
6790 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6793 2006-03-14 Richard Guenther <rguenther@suse.de>
6795 PR tree-optimization/26667
6796 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6797 node for the callees. Always allow inlining if it will shrink
6800 2006-03-14 Richard Guenther <rguenther@suse.de>
6803 * builtins.c (get_pointer_alignment): Prefer alignment
6804 information from decls over that from types.
6806 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6809 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6811 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6813 * config/rs6000/rs6000.opt (mdlmzb): New option.
6814 (msched-prolog, msched-epilog): Use Var not Mask.
6815 * doc/invoke.texi (-mdlmzb): Document.
6816 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6818 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6819 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6821 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6823 PR rtl-optimization/25739
6824 * bt-load.c (augment_live_range): Free tos pointer.
6826 * gensupport.c (identify_predicable_attribute): Free
6828 * gcov.c (create_file_names): Free name pointer.
6830 2006-03-13 Roger Sayle <roger@eyesopen.com>
6833 * stmt.c (emit_case_nodes): Handle the case where the index is a
6834 CONST_INT, where the comparison mode is specified by the index type.
6836 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6838 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6841 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6843 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6844 (*branch_fp_inverted): Likewise.
6846 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6849 * omp-low.c (expand_omp_for_generic): Mark istart0
6850 and iend0 as addressable.
6852 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6854 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6856 2006-03-13 Jeff Law <law@redhat.com>
6858 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6859 virtual operands are interesting.
6860 (vrp_visit_stmt): Corresponding changes.
6862 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6864 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6866 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6867 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6868 * config/bfin/crti.S: Use it instead of __PIC__.
6869 * config/bfin/crtn.S: Likewise.
6871 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6872 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6874 Lose 'G' modifier for call operand.
6875 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6876 recognize 'G' modifier.
6878 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6881 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6882 * stmt.c (expand_case): Likewise.
6884 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6886 PR rtl-optimization/26254
6887 * loop-invariant.c (seq_insns_valid_p): New function.
6888 (move_invariant_reg): Only emit new code if it is valid.
6890 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6892 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6894 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6895 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6896 (commit_one_edge_insertion): Do not look for loop notes.
6898 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6900 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6901 flag_test_coverage out of loop.
6903 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6905 * final.c (shorten_branches): Remove outdated comment, and turn
6906 the if branch that guards it to continue.
6908 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6910 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6911 * cfgloop.h (struct loop): Remove unused fields.
6913 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6915 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6916 (-dL, -fdump-rtl-loop2): Update the dump file names
6918 * doc/invoke.texi: Update dump file names.
6920 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6922 * predict.c (estimate_probability): Remove.
6923 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6924 * basic-block.h (estimate_probability): Remove prototype.
6925 * passes.c (finish_optimization_passes): Dump branch prediction or
6926 profiling heuristics to the .profile tree dump.
6927 (init_optimization_passes): Unqueue pass_branch_prob.
6929 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6931 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6933 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6934 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6936 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6938 * function.h (frame_offset_overflow): Declare.
6939 * function.c (frame_offset_overflow): New function.
6940 (assign_stack_local_1): Call it to detect that the offset overflows.
6941 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6943 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6945 * config/sh/sh.c: Include alloc-pool.h.
6946 (label_ref_list_pool): New alloc pool.
6947 (label_ref_list_t): New type for lists of labels.
6948 (struct pool_node): Make wend a label_ref_list_t.
6949 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6951 (dump_table): Likewise.
6952 (sh_reorg): Set up the alloc pool before using add_constant and
6953 dump_table, and destroy it when finishing.
6955 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6957 * config/mips/mips.c: Remove redundant comment.
6959 2006-03-10 Jason Merrill <jason@redhat.com>
6962 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6963 the target was declared 'register'.
6965 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6967 * genpreds.c (write_insn_constraint_len): Change definition of
6968 insn_constraint_len to return size_t to match the declaration.
6970 2006-03-10 DJ Delorie <dj@redhat.com>
6972 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6974 (m32c_expand_insv): Fix test for an AND mask.
6976 2006-03-10 Richard Guenther <rguenther@suse.de>
6979 * builtins.c (get_pointer_alignment): Handle component
6980 references for field alignment.
6982 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6984 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6985 when building with libgloss.
6986 (sh*elf): Implement --without-fp option.
6987 (sh64-superh-linux*): Don't multilib.
6989 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6991 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6993 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6995 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6996 Set it when one of the replacement functions returned true.
6997 Return TODO_cleanup_cfg if cfgchanged is true.
6998 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7000 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7002 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7003 instead of gen_lowpart.
7005 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7007 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7009 (mips_output_order_conditional_branch): Declare.
7010 * config/mips/mips.h (MIPS_BRANCH): New macro.
7011 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7012 for the comparison. Use gen_condjump.
7013 (mips_output_conditional_branch): Rework interface to take the
7014 asm templates for a direct branch and the inverse of a direct branch.
7015 (mips_output_order_conditional_branch): New function.
7016 (mips_builtin_branch_and_move): New function.
7017 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7018 branch condition. Use gen_single_cc as the condition for
7019 __builtin_mips_upper_* or __builtin_mips_lower_*.
7020 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7021 Use VOIDmode for the branch condition.
7022 * config/mips/predicates.md (order_operator): New predicate.
7023 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7024 (branch_fp): Rename to...
7025 (*branch_fp): ...this. Remove mode from comparison operator.
7026 Use new mips_output_conditional_branch interface.
7027 (branch_fp_inverted): Rename to...
7028 (*branch_fp_inverted): ...this and update as for *branch_fp.
7029 (*branch_zero<mode>): Rename to...
7030 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7031 Use mips_output_order_conditional_branch. Only accept ordered
7033 (*branch_zero<mode>_inverted): Rename to...
7034 (*branch_order<mode>_inverted): ...this and update as for
7035 *branch_order<mode>.
7036 (*branch_equality<mode>): Accept zero as the second operand to
7037 the equality operator. Use the new mips_output_conditional_branch
7039 (*branch_equality<mode>_inverted): Likewise.
7040 (condjump): New expander.
7041 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7043 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7044 (bc1any2t, bc1any2f): Likewise.
7045 (single_cc): New expander.
7046 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7048 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7050 * doc/md.texi: Update documentation of MIPS constraints.
7051 * config/mips/constraints.md: New file.
7052 * config/mips/mips.md: Include it.
7053 * config/mips/mips.c (mips_char_to_class): Delete.
7054 (override_options): Don't initialize mips_char_to_class.
7055 * config/mips/mips.h (mips_char_to_class): Delete.
7056 (REG_CLASS_FROM_LETTER): Delete.
7057 (CONST_OK_FOR_LETTER_P): Delete.
7058 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7059 (EXTRA_CONSTRAINT_Y): Delete.
7060 (EXTRA_CONSTRAINT_STR): Delete.
7061 (CONSTRAINT_LEN): Delete.
7062 (EXTRA_MEMORY_CONSTRAINT): Delete.
7064 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7066 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7067 original fn's eh regions.
7069 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7071 * fold-const.c (build_range_check): Make sure to use a valid type to
7072 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7075 (range_predecessor): New static function.
7076 (range_successor): Likewise.
7077 (merge_ranges): Use them to compute predecessors and successors of
7080 2006-03-09 Roger Sayle <roger@eyesopen.com>
7083 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7084 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7086 2006-03-08 DJ Delorie <dj@redhat.com>
7088 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7089 (addpsi3): Expand to include memory operands. Remove
7090 reload-specific splits.
7091 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7092 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7093 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7094 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7095 (shift1_qi, shift1_hi, insv): New.
7096 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7097 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7098 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7100 * config/m32c/m32c-protos.h: Update as needed.
7101 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7102 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7103 Fail for unrecognized R* constraints.
7104 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7105 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7106 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7108 (m32c_init_libfuncs): New.
7109 (m32c_legitimate_address_p): Add debug wrapper.
7110 (m32c_rtx_costs): New.
7111 (m32c_address_cost): New.
7112 (conversions): Add 'B' prefix.
7113 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7114 operands, or word regnames for QI operands. 'B' prints bit
7116 (m32c_expand_setmemhi): New.
7117 (m32c_expand_movmemhi): New.
7118 (m32c_expand_movstr): New.
7119 (m32c_expand_cmpstr): New.
7120 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7121 (m32c_expand_neg_mulpsi3): Handle non-ints.
7122 (m32c_cmp_flg_0): New.
7123 (m32c_expand_movcc): New.
7124 (m32c_expand_insv): New.
7125 (m32c_scc_pattern): New.
7126 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7127 a0/a1 out of SIregs.
7128 (STORE_FLAG_VALUE): New.
7129 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7132 * config/m32c/mov.md: Make constraints more liberal.
7133 (zero_extendqihi2): Optimize r0/r1 case.
7134 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7135 * config/m32c/predicates.md (m32c_any_operand): New.
7136 (m32c_nonimmediate_operand): New.
7137 (m32c_hl_operand): New.
7138 (m32c_r3_operand): New.
7141 (memsym_operand): New.
7142 (memimmed_operand): New.
7143 (a_qi_operand): New.
7144 (m32c_eqne_operator): New.
7145 (m32c_1bit8_operand): New.
7146 (m32c_1bit16_operand): New.
7147 (m32c_1mask8_operand): New.
7148 (m32c_1mask16_operand): New.
7149 * config/m32c/blkmov.md: New file.
7150 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7152 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7154 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7155 unsigned to fix signed/unsigned comparison issue in
7156 DWARF2_FRAME_REG_OUT.
7157 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7158 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7160 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7161 of ptr into the ENABLE_CHECKING section.
7163 2006-03-08 Jeff Law <law@redhat.com>
7165 * tree-vrp.c (infer_value_range): Only count pointer uses
7166 and dereferences if -fdelete-null-pointer-checks is enabled.
7168 * tree-vrp.c (find_assert_locations): Infer value ranges for
7169 single use pointers, but do not create ASSERT_EXPRs for them.
7170 When a non-null range is inferred for a pointer, backwards
7171 propagate that range to other equivalent pointers through the
7174 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7177 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7178 language hook targets.
7179 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7180 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7181 if language hook targets were missing.
7183 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7185 * tree-ssa-opfinalize.h: Removed.
7186 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7188 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7189 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7190 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7191 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7192 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7193 finalize_ssa_v_must_def_ops): New.
7195 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7197 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7200 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7202 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7204 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7205 addresses with offsets; reorganize.
7207 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7208 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7209 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7211 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7214 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7216 2006-03-08 Ben Elliston <bje@au.ibm.com>
7218 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7220 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7223 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7226 2006-03-07 Richard Guenther <rguenther@suse.de>
7228 PR tree-optimization/26587
7229 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7231 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7233 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7235 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7237 * hooks.c (hook_bool_mode_rtx_true): New function.
7238 * hooks.h (hook_bool_mode_rtx_true): Declare.
7239 * toplev.c (compile_file): Call output_shared_constant_pool.
7240 * varasm.c (shared_constant_pool): New variable.
7241 (assemble_start_function, assemble_end_function): Remove arguments
7242 from call to output_constant_pool.
7243 (create_constant_pool): New function, split out from...
7244 (init_varasm_status): ...here.
7245 (force_const_mem): Choose between the shared and per-function constant
7246 pools. Set current_function_uses_const_pool when reusing old entries
7247 as well as when creating new ones.
7248 (mark_constant): Ignore data argument.
7249 (mark_constants): Remove pool argument.
7250 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7251 to decide whether the function uses a constant pool.
7252 (output_constant_pool_contents): New function, split out from...
7253 (output_constant_pool): ...here.
7254 (output_shared_constant_pool): New function.
7255 (init_varasm_once): Initialize shared_constant_pool.
7256 * output.h (output_constant_pool): Delete.
7257 (output_shared_constant_pool): Declare.
7258 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7259 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7261 2006-03-06 Nick Clifton <nickc@redhat.com>
7263 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7264 flag_strength_reduce.
7266 2006-03-06 Ben Elliston <bje@au.ibm.com>
7268 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7269 x86_64-*-linux* configurations.
7271 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7272 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7274 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7276 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7278 * basic-block.h: Remove the extern for
7279 rediscover_loops_after_threading.
7281 * cfgloop.c (cancel_loop): Make it static.
7282 * cfgloop.h: Remove the prototype for cancel_loop.
7284 * flow.c (recompute_reg_usage): Make it static.
7285 * rtl.h: Remove the prototype for recompute_reg_usage.
7287 * function.c (use_return_register): Make it static.
7288 * function.h: Remove the prototype.
7290 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7292 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7294 * recog.h: Remove the prototype for
7295 validate_change_maybe_volatile.
7297 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7299 * rtlanal.c (replace_reg): Remove.
7300 * rtl.h: Remove the prototype for replace_reg.
7302 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7304 * regclass.c (reg_scan_update): Remove.
7305 (reg_scan_mark_refs): Remove the last argument.
7306 * rtl.h: Remove the prototype for reg_scan_update.
7308 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7310 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7311 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7312 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7313 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7314 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7315 loop-invariant.c, omp-low.c, opts.c, passes.c,
7316 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7317 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7318 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7319 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7320 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7321 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7323 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7325 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7326 * dwarf2out.h: Remove the prototype for
7327 dwarf2out_add_library_unit_info.
7329 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7331 * tree.c (add_var_to_bind_expr): Remove.
7332 * tree.h: Remove the prototype for add_var_to_bind_expr.
7334 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7336 * regclass.c (n_non_fixed_regs): Remove.
7337 (init_reg_sets_1, globalize_reg): Remove all uses of
7339 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7341 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7343 * rtlanal.c (insns_safe_to_move_p): Remove.
7344 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7346 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7348 * expmed.c (expand_mult_add): Remove.
7349 * expr.h: Remove the prototype for expand_mult_add.
7351 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7353 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7354 and REG_SAVED_VAL_EXP constants.
7355 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7356 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7357 Handle regs stored by value.
7358 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7359 (execute_cfa_program): Handle DW_CFA_val_offset,
7360 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7361 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7362 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7363 (uw_install_context_1): Handle target regs stored by value.
7365 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7367 * tree-sra.c (tree_sra): Return todoflags;
7368 (generate_one_element): Set TODO_update_smt_usage if needed.
7369 (pass_sra): Remove TODO_update_smt_usage.
7370 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7372 (tree_ssa_forward_propagate_single_use_vars): Return
7373 TODO_update_smt_usage if we need to update SMT usage.
7374 (pass_forwprop): Remove TODO_update_smt_usage.
7376 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7378 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7379 (correct_use_link): Remove reference to get_stmt_operands.
7380 (update_stmt_operands): Likewise.
7381 (get_modify_expr_operands): New function factored out of
7382 parse_ssa_operands and get_expr_operands.
7383 Try to create V_MUST_DEFs for LHS by default.
7384 (get_expr_operands) <case MODIFY_EXPR>: Call
7385 get_modify_expr_operands.
7386 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7387 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7388 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7389 get_modify_expr_operands.
7391 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7393 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7394 * tree-flow.h: Remove the prototype for
7395 referenced_var_lookup_if_exists.
7397 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7399 PR rtl-optimization/26345
7401 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7403 2006-03-03 Roger Sayle <roger@eyesopen.com>
7405 PR tree-optimization/26524
7406 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7407 fold_convert to create a constant of the appropriate type.
7409 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7411 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7412 SYMBOL_REF_IN_BLOCK_P.
7413 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7414 of SYMBOL_FLAG_IN_BLOCK.
7415 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7416 instead of SYMBOL_REF_IN_BLOCK_P.
7417 * explow.c (use_anchored_address): Likewise.
7418 * rtl.c (rtx_size): Likewise.
7419 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7420 instead of SYMBOL_FLAG_IN_BLOCK.
7421 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7422 SYMBOL_REF_IN_BLOCK_P.
7423 (assemble_variable): Likewise.
7424 (output_constant_def_contents): Likewise.
7425 (output_constant_pool): Likewise.
7426 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7427 instead of SYMBOL_FLAG_IN_BLOCK.
7428 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7429 SYMBOL_REF_IN_BLOCK_P.
7430 (SYMBOL_REF_BLOCK): Likewise.
7431 (SYMBOL_REF_OFFSET): Likewise.
7432 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7433 SYMBOL_REF_IN_BLOCK_P.
7434 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7435 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7436 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7437 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7439 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7441 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7443 2006-03-02 Roger Sayle <roger@eyesopen.com>
7445 * simplify-rtx.c (simplify_unary_operation): When simplifying
7446 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7447 that we perform the right shift in the appropriate mode, and
7448 then extend or truncate the result to requested mode.
7450 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7452 * gengtype.c (main): Handle double_int type.
7453 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7454 * double-int.c: New file.
7455 * double-int.h: New file.
7456 * system.h: Include doubleint.h.
7457 * Makefile.in (SYSTEM_H): Include double-int.h.
7458 (double-int.o): Add.
7460 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7463 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7466 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7468 * tree-vrp.c (remove_range_assertions): Do not update statements
7471 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7473 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7475 * gcse.c (rest_of_handle_gcse): Ditto.
7476 * except.c (gate_handle_eh): Ditto.
7477 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7478 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7480 2006-03-02 Eric Christopher <echristo@apple.com>
7482 * config/i386/i386.c (machopic_output_stub): Add indirection to
7485 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7489 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7491 Sun Niagara specific optimizations.
7492 * config.gcc: Recognize niagara as target.
7493 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7494 (TARGET_CPU_niagara): Define.
7495 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7496 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7497 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7498 (ASM_CPU_SPEC): Likewise.
7499 (PROCESSOR_NIAGARA): New enum entry.
7500 (REGISTER_MOVE_COST): Handle Niagara.
7501 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7502 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7503 (sparc_override_options): Recognize "niagara", set appropriate
7504 default MASK_* values for it, and align functions to 32-bytes
7505 by default just like ULTRASPARC/ULTRASPARC3.
7506 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7507 (sparc64_initialize_trampoline): Likewise.
7508 (sparc_use_sched_lookahead): Use zero for niagara.
7509 (sparc_issue_rate): Use one for niagara.
7510 * config/sparc/niagara.md: New file.
7511 * config/sparc/sparc.md: Include it.
7512 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7513 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7514 when default cpu is niagara.
7515 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7516 (ASM_CPU_SPEC): Likewise.
7517 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7518 when default cpu is niagara.
7519 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7520 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7521 just like v9/ultrasparc/ultrasparc3.
7522 * doc/invoke.texi: Add documentation for "niagara" and improve
7523 existing documentation for ultrasparc variants.
7525 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7527 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7529 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7531 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7532 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7533 and say that only one is needed.
7534 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7535 * target.h (have_switchable_bss_sections): New hook.
7536 * explow.c (use_anchored_address): Check that the symbol is in a block.
7537 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7538 (bss_noswitch_section): New variables.
7539 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7540 (get_noswitch_section): New function.
7541 (get_block_for_section): Allow SECT to be null.
7542 (unlikely_text_section_p): Use SECTION_STYLE.
7543 (bss_initializer_p): New function.
7544 (get_variable_section): Move earlier in file. Take a new argument,
7545 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7546 Return one of the new *_sections in such cases.
7547 (get_block_for_decl): New function, extracting some logic from
7548 use_blocks_for_decl_p.
7549 (change_symbol_section): Remove in favor of...
7550 (change_symbol_block): ...this new function.
7551 (use_blocks_for_decl_p): Remove checks now performed by
7553 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7554 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7555 (emit_local, emit_bss, emit_common): ...these new functions.
7556 Return true if the alignment was honored.
7557 (emit_tls_common): New function.
7558 (asm_emit_uninitialised): Delete.
7559 (assemble_variable_noswitch): New function, split out from...
7560 (assemble_variable): ...here. Don't make decisions about common
7561 variables here. Globalize all public decls that go into non-common
7562 sections. Check whether SYMBOL_REF_BLOCK is null.
7563 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7564 (output_constant_pool): Likewise.
7565 (init_varasm_once): Initialize the new section variables.
7566 (have_global_bss_p): New function.
7567 (categorize_decl_for_section): Use bss_initializer_p.
7568 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7569 (place_block_symbol): Assert that the symbol must be in a block.
7570 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7571 (TARGET_INITIALIZER): Include it.
7572 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7573 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7574 (SECTION_MACH_DEP): Bump by two.
7575 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7576 (unnamed_section): Mention SECTION_UNNAMED in comment.
7577 (named_section): Likewise SECTION_NAMED.
7578 (noswitch_section_callback): New type.
7579 (noswitch_section): New structure.
7580 (section): Add a noswitch_section alternative.
7581 (SECTION_STYLE): New macro.
7582 (tls_comm_section, comm_section, lcomm_section): Declare.
7583 (bss_noswitch_section, have_global_bss_p): Declare.
7584 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7585 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7587 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7588 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7591 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7593 * tree-vrp.c (execute_vrp): Return value.
7594 * regrename.c (rest_of_handle_regrename): Ditto.
7595 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7596 * tree-complex.c (tree_lower_complex): Ditto.
7597 (tree_lower_complex_O0): Ditto.
7598 * tracer.c (rest_of_handle_tracer): Ditto.
7599 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7600 * postreload.c (rest_of_handle_postreload): Ditto.
7601 * tree-tailcall.c (execute_tail_recursion): Ditto.
7602 (execute_tail_calls): Ditto.
7603 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7604 * tree.h (init_function_for_compilation): Ditto.
7605 * ipa-cp.c (ipcp_driver): Ditto.
7606 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7607 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7608 * final.c (compute_alignments): Ditto.
7609 (rest_of_handle_final): Ditto.
7610 (rest_of_handle_shorten_branches): Ditto.
7611 (rest_of_clean_state): Ditto.
7612 * omp-low.c (execute_expand_omp): Ditto.
7613 (execute_lower_omp): Ditto.
7614 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7615 * ipa-reference.c (static_execute): Ditto.
7616 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7617 * reorg.c (rest_of_handle_delay_slots): Ditto.
7618 (rest_of_handle_machine_reorg): Ditto.
7619 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7620 * flow.c (recompute_reg_usage): Ditto.
7621 (rest_of_handle_remove_death_notes): Ditto.
7622 (rest_of_handle_life): Ditto.
7623 (rest_of_handle_flow2): Ditto.
7624 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7625 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7626 (do_ssa_store_ccp): Ditto.
7627 (execute_fold_all_builtins): Ditto.
7628 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7629 * modulo-sched.c (rest_of_handle_sms): Ditto.
7630 * ipa-pure-const.c (static_execute): Ditto.
7631 * cse.c (rest_of_handle_cse): Ditto.
7632 (rest_of_handle_cse2): Ditto.
7633 * web.c (rest_of_handle_web): Ditto.
7634 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7635 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7636 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7637 * tree-nrv.c (tree_nrv): Ditto.
7638 (execute_return_slot_opt): Ditto.
7639 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7640 (create_structure_vars): Ditto.
7641 * loop-init.c (rtl_loop_init): Ditto.
7642 (rtl_loop_done): Ditto.
7643 (rtl_move_loop_invariants): Ditto.
7644 (rtl_unswitch): Ditto.
7645 (rtl_unroll_and_peel_loops): Ditto.
7646 (rtl_doloop): Ditto.
7647 * gimple-low.c (lower_function_body): Ditto.
7648 (mark_used_blocks): Ditto.
7649 * tree-ssa-sink.c (execute_sink_code): Ditto.
7650 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7651 (cgraph_early_inlining): Ditto.
7652 * global.c (rest_of_handle_global_alloc): Ditto.
7653 * jump.c (cleanup_barriers): Ditto.
7654 (purge_line_number_notes): Ditto.
7655 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7656 (rest_of_handle_if_after_reload): Ditto.
7657 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7658 (tree_ssa_loop_im): Ditto.
7659 (tree_ssa_loop_unswitch): Ditto.
7660 (tree_vectorize): Ditto.
7661 (tree_linear_transform): Ditto.
7662 (tree_ssa_loop_ivcanon): Ditto.
7663 (tree_ssa_empty_loop): Ditto.
7664 (tree_ssa_loop_bounds): Ditto.
7665 (tree_complete_unroll): Ditto.
7666 (tree_ssa_loop_prefetch): Ditto.
7667 (tree_ssa_loop_ivopts): Ditto.
7668 (tree_ssa_loop_done): Ditto.
7669 * predict.c (tree_estimate_probability): Ditto.
7670 * recog.c (split_all_insns_noflow): Ditto.
7671 (rest_of_handle_peephole2): Ditto.
7672 (rest_of_handle_split_all_insns): Ditto.
7673 * tree-eh.c (lower_eh_constructs): Ditto.
7674 * regmove.c (rest_of_handle_regmove): Ditto.
7675 (rest_of_handle_stack_adjustments): Ditto.
7676 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7677 * function.c (instantiate_virtual_regs): Ditto.
7678 (init_function_for_compilation): Ditto.
7679 (rest_of_handle_check_leaf_regs): Ditto.
7680 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7681 (rest_of_handle_gcse): Ditto.
7682 * ipa-type-escape.c (type_escape_execute): Ditto.
7683 * alias.c (rest_of_handle_cfg): Ditto.
7684 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7685 * profile.c (rest_of_handle_branch_prob): Ditto.
7686 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7687 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7688 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7689 * tree-dfa.c (find_referenced_vars): Ditto.
7690 * except.c (set_nothrow_function_flags): Ditto.
7691 (convert_to_eh_region_ranges): Ditto.
7692 (rest_of_handle_eh): Ditto.
7693 * emit-rtl.c (unshare_all_rtl): Ditto.
7694 (remove_unnecessary_notes): Ditto.
7695 * except.h (set_nothrow_function_flags): Ditto.
7696 (convert_to_eh_region_ranges): Ditto.
7697 * cfgexpand.c (tree_expand_cfg): Ditto.
7698 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7699 * tree-ssa-pre.c (do_pre): Ditto.
7700 (execute_fre): Ditto.
7701 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7702 (rest_of_handle_jump2): Ditto.
7703 * tree-sra.c (tree_sra): Ditto.
7704 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7705 (execute_mudflap_function_decls): Ditto.
7706 * tree-ssa-copy.c (do_copy_prop): Ditto.
7707 (do_store_copy_prop): Ditto.
7708 * ipa-prop.h (ipcp_driver): Ditto.
7709 * cfglayout.c (insn_locators_initialize): Ditto.
7710 * tree-ssa-forwprop.c
7711 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7712 * cfglayout.h (insn_locators_initialize): Ditto.
7713 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7714 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7715 (execute_late_warn_uninitialized): Ditto.
7716 * rtl.h (cleanup_barriers): Ditto.
7717 (split_all_insns_noflow): Ditto.
7718 (purge_line_number_notes): Ditto.
7719 (unshare_all_rtl): Ditto.
7720 (remove_unnecessary_notes): Ditto.
7721 (recompute_reg_usage): Ditto.
7722 (variable_tracking_main): Ditto.
7723 * integrate.c (emit_initial_value_sets): Ditto.
7724 * integrate.h (emit_initial_value_sets): Ditto.
7725 * tree-optimize.c (execute_free_datastructures): Ditto
7726 (execute_free_cfg_annotations): Ditto.
7727 (execute_fixup_cfg): Ditto.
7728 (execute_cleanup_cfg_pre_ipa): Ditto.
7729 (execute_cleanup_cfg_post_optimizing): Ditto.
7730 (execute_init_datastructures): Ditto.
7731 * tree-object-size.c (compute_object_sizes): Ditto.
7732 * combine.c (rest_of_handle_combine): Ditto.
7733 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7734 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7735 (rest_of_handle_reorder_blocks): Ditto.
7736 (rest_of_handle_partition_blocks): Ditto.
7737 * var-tracking.c (variable_tracking_main): Ditto.
7738 * tree-profile.c (tree_profiling): Ditto.
7739 * tree-vect-generic.c (expand_vector_operations): Ditto.
7740 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7741 * sched-rgn.c (rest_of_handle_sched): Ditto.
7742 (rest_of_handle_sched2): Ditto.
7743 * basic-block.h (free_bb_insn): Ditto.
7744 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7745 * tree-cfg.c (execute_build_cfg): Ditto.
7746 (remove_useless_stmts): Ditto.
7747 (split_critical_edges): Ditto.
7748 (execute_warn_function_return): Ditto.
7749 (execute_warn_function_noreturn): Ditto.
7750 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7751 * cfgrtl.c (free_bb_for_insn): Ditto.
7752 * passes.c (execute_one_pass): Run additional
7753 todos returned by execute function.
7754 * tree-pass.h (struct tree_opt_pass): Make execute
7757 2006-03-02 Richard Guenther <rguenther@suse.de>
7759 * tree-ssa-alias.c (find_used_portions): Consider taking
7760 the address as making the variable not write-only.
7762 2006-03-02 Nick Clifton <nickc@redhat.com>
7764 * config.gcc (default_use_cxa_atexit): Extend the description of
7765 this configure variable. Set its default value to "yes" for
7766 Linux, NetBSD and ELF targets on the assumption that they will
7767 use C libraries with the __cxa_atexit function.
7769 2006-03-02 Ben Elliston <bje@au.ibm.com>
7771 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7772 parameter as unused to suppress a build warning.
7774 2006-03-02 Ben Elliston <bje@au.ibm.com>
7776 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7779 2006-03-01 Roger Sayle <roger@eyesopen.com>
7782 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7783 declared name, the weak reference name, and the typeof name.
7784 (__gthrw): Avoid expanding the declared name suffix.
7785 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7787 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7789 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7791 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7792 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7793 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7794 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7795 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7796 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7797 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7798 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7799 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7800 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7801 (DW_END_default, DW_END_big, DW_END_little): New.
7802 (DW_END_lo_user, DW_END_hi_user): Define.
7803 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7804 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7805 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7808 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7810 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7812 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7814 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7816 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7818 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7819 to 'symbol_mem_tag'.
7821 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7824 2006-03-01 Roger Sayle <roger@eyesopen.com>
7826 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7828 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7831 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7832 MACHO_DYNAMIC_NO_PIC_P.
7833 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7835 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7838 * config/darwin-protos.h (darwin_asm_output_anchor):
7840 * config/darwin-sections.def (cstring_section):
7841 Add SECTION_MERGE to the flags.
7842 (literal4_section): Likewise.
7843 (literal8_section): Likewise.
7844 (objc_selector_refs_section): Likewise.
7845 (objc_cls_refs_section): Likewise.
7846 * config/darwin.c (darwin_asm_output_anchor): New
7848 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7850 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7852 Fix PR tree-optimization/26443
7853 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7854 to todo and PROP_tmt_usage to properties_destroyed.
7855 * tree-ssa-ccp.c (pass_ccp): Ditto.
7856 (pass_store_ccp): Ditto.
7857 * tree-ssa-dom.c (pass_dominator): Ditto.
7859 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7861 * tree-ssa-operands.c: Cleanup whitespace.
7862 (get_asm_expr_operands): Move before first invocation.
7863 (get_indirect_ref_operands): Likewise.
7864 (get_tmr_operands): Likewise.
7865 (get_call_expr_operands): Likewise.
7866 (append_def): Likewise.
7867 (append_use): Likewise.
7868 (append_v_may_def): Likewise.
7869 (append_v_must_def): Likewise.
7870 (add_call_clobber_ops): Likewise.
7871 (add_call_read_ops): Likewise.
7872 (add_stmt_operand): Likewise.
7873 (add_virtual_operand): Likewise.
7874 (build_ssa_operands): Likewise.
7876 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7881 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7882 with a call expr to ...
7883 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7885 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7887 * tree-vrp.c (extract_range_from_assert): Remove special
7888 handling for types with super-types.
7890 2006-03-01 Ben Elliston <bje@au.ibm.com>
7892 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7893 and powerpc64-*-linux* configurations.
7894 * config/t-dfprules: New file.
7896 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7897 Compile dfp-bit.c from the source directory using -DWIDTH and
7898 $DFP_CFLAGS to control the compilation of that file, rather than
7899 generating width-specific versions in the build directory.
7900 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7901 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7903 2006-02-28 Zack Weinberg <zackw@panix.com>
7905 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7908 2006-02-28 Eric Christopher <echristo@apple.com>
7910 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7911 Set up IN_LIBGCC definition of TARGET_64BIT.
7912 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7914 2006-02-28 Roger Sayle <roger@eyesopen.com>
7917 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7918 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7919 cases via the construction of "expr != 0".
7921 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7923 * alias.c (alias_invariant, alias_invariant_size): Remove.
7924 (record_base_value): Remove.
7925 (memrefs_conflict_p): Don't look at alias_invariant.
7926 (end_alias_analysis): Don't free it.
7927 * alias.h (record_base_value): Remove prototype.
7929 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7930 Adam Nemet <anemet@caviumnetworks.com>
7932 * rtl.h (truncated_to_mode): Declare it.
7933 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7934 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7935 (RTL_HOOKS_INITIALIZER): Include it.
7936 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7937 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7938 reg_truncated_to_mode.
7939 * rtlanal.c (truncated_to_mode): Define it.
7940 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7942 2006-02-28 Jeff Law <law@redhat.com>
7944 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7945 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7946 the range allowed by TYPE_PRECISION.
7948 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7950 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7952 PR tree-optimization/26419
7953 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7956 2006-02-27 Zack Weinberg <zackw@panix.com>
7958 * doc/md.texi: Fix typo in previous change.
7960 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7964 2006-02-27 Zack Weinberg <zackw@panix.com>
7966 * rtl.def (define_constraint, define_register_constraint)
7967 (define_memory_constraint, define_address_constraint): New MD forms.
7968 * gensupport.c (process_rtx): Put define_constraint etc on the
7970 * genpreds.c (process_define_predicate): Adjust comment. Validate
7971 the name, and call validate_exp to validate the expression.
7972 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7973 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7974 all callers changed.
7975 (validate_exp, needs_variable, struct constraint_data)
7976 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7977 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7978 (const_dbl_constraints, constraint_max_namelen)
7979 (have_register_constraints, have_memory_constraints)
7980 (have_address_constraints, have_address_constraints)
7981 (have_extra_constraints, have_const_int_constraints)
7982 (have_const_dbl_constraints, mangle, add_constraint)
7983 (process_define_constraint, process_define_register_constraint)
7984 (write_enum_constraint_num, write_lookup_constraint)
7985 (write_insn_constraint_len, write_regclass_for_constraint)
7986 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7987 (write_insn_extra_memory_constraint)
7988 (write_insn_extra_address_constraint)
7989 (write_satisfies_constraint_fns): New.
7990 (write_tm_preds_h): If we have new-style constraint definitions,
7991 prototype the functions generated from them, and define the
7992 old constraint interface (still used by generic code) in terms of
7994 (write_insn_preds_c): If we have new-style constraint definitions,
7995 generate all relevant functions from those definitions.
7996 (main): Handle define_constraint etc.
7997 * genoutput.c (struct constraint_data, indep_constraints)
7998 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7999 (mdep_constraint_len): New data structures and functions, defined
8000 #ifdef USE_MD_CONSTRAINTS.
8001 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8002 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8003 use new logic to validate operand constraints against constraint
8005 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8007 * defaults.h: If none of the old-style constraint macros are
8008 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8009 old-style macros; and poison REG_CLASS_FROM_LETTER,
8010 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8012 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8013 * doc/md.texi: Document new constraint-definition mechanism and the
8014 C interface it provides. Remove references to old mechanism
8015 elsewhere in the document.
8016 (Machine Constraints): Use pathnames relative to gcc directory,
8017 i.e. config/ARCH/FILE. Change i386 section to refer to
8018 config/i386/predicates.md; update that section to match docstrings.
8019 * doc/tm.texi: Move all documentation of the old constraint-
8020 definition macros to their own section, clearly mark as obsolete.
8022 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8023 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8025 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8026 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8027 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8029 (splits and peepholes): Use satisfies_constraint_*.
8030 * config/i386/i386.c (memory_address_length)
8031 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8033 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8035 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8036 scalar operation to be put back into the loop.
8038 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8041 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8042 (extract_cie_info): Handle S flag in augmentation string.
8043 (execute_cfa_program): If context->signal_frame, execute also
8044 fs->pc == context->ra instructions.
8045 (uw_frame_state_for): If context->signal_frame, don't subtract one
8046 from context->ra to find FDE.
8047 (uw_update_context_1): Set context->signal_frame to
8049 (_Unwind_GetIPInfo): New function.
8050 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8051 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8053 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8054 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8055 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8056 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8057 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8058 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8059 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8060 x86_64_fallback_frame_state): Set fs->signal_frame.
8061 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8062 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8063 (frob_update_context): Likewise. Workaround missing S flag in
8064 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8065 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8066 Remove the psw_addr + 1 hack.
8068 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8070 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8071 with aggregates here.
8072 (find_func_aliases): Remove code for &<aggregate> from here.
8074 2006-02-26 Roger Sayle <roger@eyesopen.com>
8076 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8077 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8078 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8081 2006-02-26 Roger Sayle <roger@eyesopen.com>
8084 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8086 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8088 * opts.c (decode_options): Do not handle flag_strength_reduce.
8089 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8090 and OPT_fstrength_reduce.
8091 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8092 flag_prefetch_loop_arrays for being nonzero.
8093 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8095 (fprefetch-loop-arrays-rtl): Removed.
8096 (flag_prefetch_loop_arrays): Do not specify the value.
8098 * doc/passes.texi: Update documentation of loop optimizer
8100 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8101 -frerun-loop-opt): Remove.
8103 2006-02-26 Richard Guenther <rguenther@suse.de>
8105 PR tree-optimization/26421
8106 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8107 in function calls that are ADDR_EXPRs as using the whole structure.
8109 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8111 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8112 * tree-pass.h (pass_loop_optimize): Remove.
8113 * passes.c (pass_loop_optimize): Never run it.
8114 * toplev.c (backend_init): Don't call init_loop.
8115 * opts.c (flag_loop_optimize_set): Remove.
8116 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8117 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8118 the old RTL loop optimizer when profiling enabled.
8119 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8120 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8121 pre-headers for the sake of the old RTL loop optimizer.
8122 * Makefile.in: Remove all references to loop.o.
8124 * doc/invoke.texi: Remove all references to -floop-optimize
8125 and -frerun-loop-opt.
8127 2006-02-26 Zack Weinberg <zackw@panix.com>
8129 * doc/md.texi (Machine Constraints): Refer to all files with paths
8130 relative to gcc directory (i.e. config/CPU/file). Add missing
8131 @table @code ... @end table to M32C subsection.
8133 2006-02-26 Roger Sayle <roger@eyesopen.com>
8135 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8137 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8139 2006-02-26 Roger Sayle <roger@eyesopen.com>
8140 James A. Morrison <phython@gcc.gnu.org>
8143 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8144 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8145 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8146 signedness of the shift operation.
8148 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8150 PR tree-optimization/26359
8151 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8153 2006-02-25 Roger Sayle <roger@eyesopen.com>
8155 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8156 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8157 as X == 0, and some symmetry related transformations.
8158 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8160 2006-02-25 Roger Sayle <roger@eyesopen.com>
8163 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8164 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8165 symmetry related transformations. Fold (X^C1) == C2 as
8168 2006-02-25 Juergen Weigert <jw@suse.de>
8169 Richard Guenther <rguenther@suse.de>
8171 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8173 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8175 * combine.c (gen_lowpart_or_truncate): Call
8176 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8178 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8180 * doc/invoke.texi: Move -fopenmp description to "Options for
8182 Remove reference to -lgomp.
8184 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8186 * doc/install.texi: Require GNU tar version 1.14.
8188 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8190 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8191 * doc/invoke.texi (C++ Dialect Options): Document
8192 -fno-use-cxa-get-exception-ptr.
8193 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8194 * configure: Regenerate.
8195 * c.opt (fuse-cxa-get-exception-ptr): New.
8196 * c-opts.c (c_common_handle_option): Handle
8197 OPT_fuse_cxa_get_exception_ptr.
8198 * c-common.c (flag_use_cxa_atexit): Update documentation.
8199 (flag_use_cxa_get_exception_ptr): New.
8200 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8201 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8203 (C_COMMON_OVERRIDE_OPTIONS): New.
8205 2006-02-24 Roger Sayle <roger@eyesopen.com>
8208 * combine.c (try_combine): Explicitly check whether GET_CODE is
8209 a SET or a CLOBBER, instead on checking that it isn't a USE.
8211 2006-02-24 Roger Sayle <roger@eyesopen.com>
8213 * fold-const.c (fold_comparison): New subroutine of fold_binary
8214 containing transformations common to both the equality and
8215 ordering relational operators, factored out of fold_binary.
8216 (fold_binary): Separate out the equality operators (EQ_EXPR
8217 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8218 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8219 transformations common to both.
8220 (fold_div_compare): Fix latent bugs in the previously unreachable
8221 LT_EXPR and GE_EXPR cases.
8223 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8225 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8226 decl libname for clog to __clog on AIX.
8228 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8230 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8233 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8234 output traceback table for thunks. Localise rs6000_stack_info call.
8236 2006-02-23 Roger Sayle <roger@eyesopen.com>
8237 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8239 * gthr-posix.h (__gthrw): Fix typo in comment.
8241 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8243 * doc/cpp.texi (Character sets): Document that we do support
8244 input files to be in any character set.
8246 2006-02-23 Jeff Law <law@redhat.com>
8248 * tree.h (PHI_ARG_NONZERO): Remove.
8249 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8250 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8251 node to the new node.
8253 PR tree-optimization/26425
8254 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8255 min/max, then assume its varying.
8257 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8259 PR rtl-optimization/26316
8260 * rtlanal.c (enum may_trap_p_flags): New.
8261 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8262 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8263 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8264 (may_trap_after_code_motion_p): New function.
8265 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8266 (find_invariant_insn): Use may_trap_after_code_motion_p.
8267 * rtl.h (may_trap_after_code_motion_p): Declare.
8269 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8271 * emit-rtl.c (immed_double_const): Cleanup.
8273 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8275 Fix PR tree-optimization/26376
8276 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8279 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8282 * gimplify.c (omp_add_variable): Guard variable size decl test with
8283 DECL_SIZE (decl) check.
8285 2006-02-23 Richard Guenther <rguenther@suse.de>
8288 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8289 like aggregate types.
8291 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8293 * configure.ac: Add --with{,out}-long-double-128 configure option.
8294 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8295 * configure: Rebuilt.
8296 * config.in: Rebuilt.
8297 * doc/install.texi (Options specification): Document
8298 --with-long-double-128.
8300 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8301 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8302 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8303 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8305 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8307 * config/s390/s390.c (override_options): Handle
8308 TARGET_DEFAULT_LONG_DOUBLE_128.
8310 * config/alpha/alpha.c (override_options): Handle
8311 TARGET_DEFAULT_LONG_DOUBLE_128.
8313 * config/sparc/sparc.c (sparc_override_options): Handle
8314 TARGET_DEFAULT_LONG_DOUBLE_128.
8316 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8318 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8319 (real-install-headers-tar, real-install-headers-cpio)
8320 (real-install-headers-cp): New targets.
8322 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8324 * tree.h (variable_section): Delete.
8325 * varasm.c (variable_section): Delete.
8327 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8329 * install.texi: Add notes on install.texi2html.
8330 (Building in parallel): Do not use footnotes.
8332 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8335 * doc/install.texi (Configuration): Document --disable-libgomp.
8337 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8339 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8341 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8343 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8344 (vec_extractv2df_0_sse): New.
8346 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8348 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8349 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8350 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8351 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8352 to the result of the expression.
8353 (def_cfa_1): Adjust.
8354 (frame_pointer_cfa_offset): Rename to...
8355 (frame_pointer_fb_offset): ... this. Adjust all uses.
8356 (convert_cfa_to_loc_list): Rename to...
8357 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8358 Pass it on to build_cfa_loc.
8359 (compute_frame_pointer_to_cfa_displacement): Rename to...
8360 (compute_frame_pointer_to_fb_displacement): ... this. New
8361 offset parameter. Use it in computation.
8362 (gen_subprogram_die): Compute cfa_fb_offset with the new
8363 macro, and use it to compute the fb loc list and the
8366 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8368 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8369 replaced with register_operand.
8370 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8371 non-DREG is expensive.
8372 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8373 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8376 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8378 * doc/install.texi2html: Use set -e.
8380 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8382 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8383 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8384 * doc/invoke.texi (-fshared-data): Delete.
8385 * common.opt (fshared-data): Delete.
8386 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8387 (assemble_static_space): Remove #if 0 code.
8388 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8389 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8390 * config/cris/cris.h: Remove FIXME.
8392 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8394 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8397 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8400 * combine.c (simplify_shift_const_1): Disable nested shifts
8401 optimization for vector shifts.
8403 2006-02-20 Roger Sayle <roger@eyesopen.com>
8405 PR tree-optimization/26361
8406 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8407 of unsigned integer types.
8409 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8411 * tree-chrec.c (eq_evolutions_p): New.
8412 * tree-chrec.h (eq_evolutions_p): Declared.
8413 * tree-data-ref.c: Fix formatting.
8414 (datadep_stats, dependence_stats): New.
8416 (print_direction_vector): New.
8417 (dump_data_dependence_relation): Use print_direction_vector.
8418 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8419 (compute_subscript_distance): Static.
8420 (initialize_data_dependence_relation): Static. Get the number
8421 of loops surrounding the references from the callers, and initialize
8422 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8423 base_object_differ_p analyzers.
8424 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8425 compute_overlap_steps_for_affine_1_2,
8426 analyze_subscript_affine_affine): Count the classified dependences.
8427 Print a message when a test failed.
8428 (can_use_analyze_subscript_affine_affine): New.
8429 (analyze_siv_subscript): Compute the data dependences on symbolic
8430 scevs that verify can_use_analyze_subscript_affine_affine.
8431 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8432 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8433 Handle symbolic scevs.
8434 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8436 (subscript_dependence_tester): Moved...
8437 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8438 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8439 DDR_SIZE_VECT instead of getting it in parameter.
8440 (subscript_dependence_tester): ... here. Take as a parameter
8441 loop_nest_depth. Call build_classic_dist_vector and
8442 build_classic_dir_vector.
8443 (compute_affine_dependence): Update subscript_dependence_tester
8444 parameters. Update datadep_stats counters. Call
8445 compute_subscript_distance.
8446 (compute_self_dependence): Save the dist and dir vectors. Call
8447 compute_subscript_distance.
8448 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8449 (compute_all_dependences): Reorder parameters as they were before
8450 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8451 compute_subscript_distance. Update the use of
8452 compute_affine_dependence and initialize_data_dependence_relation.
8453 (find_data_references_in_loop): Handle COMPONENT_REF.
8454 (compute_data_dependences_for_loop): Initialize dependence_stats.
8455 Don't call build_classic_dist_vector and build_classic_dir_vector.
8456 Update the parameters of initialize_data_dependence_relation and
8457 compute_all_dependences. Print the statistics from datadep_stats.
8458 (analyze_all_data_dependences): Static. Not used until the pass for
8459 checking the data dependences is contributed.
8460 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8461 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8462 (initialize_data_dependence_relation, compute_affine_dependence,
8463 analyze_all_data_dependences, compute_subscript_distance): Removed.
8464 (print_direction_vector): New.
8465 * lambda.h (gcd): ... here.
8466 (lambda_vector_gcd): Moved here from gcd_vector.
8467 * lambda-code.c (gcd, gcd_vector): Removed.
8468 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8469 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8471 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8473 * ipa-type-escape.c: Tidy some comments and white space.
8474 * tree-ssa-operands.c: Likewise.
8476 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8479 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8480 (dump_decl_name): Do not walk the decl tree chains.
8481 * tree-pass.h (TDF_CHAIN): Remove.
8483 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8485 * Makefile.in (C): Remove
8487 (.PHONY): Remove C and PROTO
8489 2006-02-20 Roger Sayle <roger@eyesopen.com>
8492 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8493 deprecated CHAR_TYPE tree code.
8495 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8497 * configure.ac (target_list): Add install-info, dvi, html.
8498 * configure: Regenerate.
8500 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8501 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8502 treelang/Make-lang.in: Do not use double-colon rules.
8504 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8506 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8507 (TMT_USED_ALONE): New macro.
8508 * tree-pass.h (PROP_tmt_usage): New property.
8509 (TODO_update_tmt_usage): New todo.
8510 * tree-ssa-alias.c (updating_used_alone): New variable.
8511 (recalculate_used_alone): New function.
8512 (compute_may_aliases): Set updating_used_alone, call
8513 recalculate_used_alone.
8514 * tree-sra.c (pass_sra): Note that this pass destroys
8515 PROP_tmt_usage, and add TODO_update_tmt_usage.
8516 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8517 * tree-flow.h (updating_used_alone): Prototype.
8518 (recalculate_used_alone): Ditto.
8519 * passes.c (execute_todo): Add code to set updating_used_alone,
8520 and call recalculate.
8521 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8522 for clobber if used alone, and add assert to verify used_alone
8525 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8527 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8528 for non tls symbols added.
8529 (legitimize_address): Do nothing for PLUS expressions if one of the
8530 addends is a tls symbol reference.
8532 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8536 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8538 * Makefile.in (BOOTSTRAPPING): New.
8539 (quickstrap): New definition if BOOTSTRAPPING=yes.
8541 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8542 * configure.ac: Substitute all_selected_languages with the languages
8543 that were configured. For all the other variables except
8544 lang_specs_files, include all the languages in the tree.
8545 * configure: Regenerate.
8547 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8548 if there is one. Run the commands to run fixincludes in the same
8551 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8552 * doc/install.texi: Document exact conventions for searching target tools.
8553 Document --with-build-time-tools. Document toplevel bootstrap. Document
8554 something more about building an Ada cross-compiler. Don't list GNU Make
8555 requirements which affect all platforms.
8557 2006-02-19 Roger Sayle <roger@eyesopen.com>
8560 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8561 only equivalent if the have both the same mode and precision.
8563 2006-02-20 Ben Elliston <bje@au.ibm.com>
8565 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8567 2006-02-19 Roger Sayle <roger@eyesopen.com>
8568 Steven Bosscher <stevenb.gcc@gmail.com>
8570 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8571 constant pool references to identify stack mode constants.
8572 * rtlanal.c (constant_pool_constant_p): New predicate to check
8573 whether operand is a floating point constant in the pool.
8574 * rtl.h (constant_pool_constant_p): Prototype here.
8575 * loop.c (scan_loop): Avoid hoisting constants from the constant
8576 pool on STACK_REGS targets.
8577 (load_mems): Likewise.
8578 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8579 loads into x87 registers expensive in terms of register pressure.
8581 2006-02-19 Roger Sayle <roger@eyesopen.com>
8583 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8584 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8586 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8588 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8589 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8591 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8593 * doc/invoke.texi: Document -fipa-pta.
8594 * common.opt: Add ipa-pta option.
8595 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8596 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8597 (do_ds_constraint): Ditto.
8598 (get_constraint_for): Only add to referenced_vars if
8599 referenced_vars exists.
8600 (insert_into_field_list): Rewrite to do this unsorted.
8601 (insert_into_field_list_sorted): Rename old insert_into_field_list
8603 (create_function_info_for): Use insert_into_field_list_sorted.
8604 (create_variable_info_for): Rewrite so it uses unsorted version,
8605 since the field list is sorted.
8606 (intra_create_variable_infos): Only add to referenced_vars if
8607 referenced_vars exists.
8608 (ipa_pta_execute): Init heapvars, and delete when done.
8609 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8611 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8613 * doc/install.texi: Add missing `@samp'.
8615 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8617 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8620 2006-02-18 Mark Wielaard <mark@klomp.org>
8622 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8623 who added new 4.1 features, bug fixes and integration support.
8625 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8628 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8631 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8633 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8634 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8635 (copy_insn_1): Likewise. Don't copy each field individually.
8637 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8639 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8640 * rtl.c (rtx_size): Rename variable to...
8641 (rtx_code_size): ...this.
8642 (rtx_size): New function.
8643 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8644 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8646 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8647 * rtl.h (rtx_code_size): New variable.
8648 (rtx_size): Change from a variable to a function.
8649 (RTX_SIZE): Rename to...
8650 (RTX_CODE_SIZE): ...this.
8653 PR tree-optimization/17106
8654 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8655 (Anchored Addresses): New section.
8656 * doc/invoke.texi (-fsection-anchors): Document.
8657 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8658 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8659 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8660 * hooks.c (hook_bool_mode_rtx_false): New function.
8661 * hooks.h (hook_bool_mode_rtx_false): Declare.
8662 * gengtype.c (create_optional_field): New function.
8663 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8664 SYMBOL_REF_IN_BLOCK_P is true.
8665 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8666 (min_anchor_offset, max_anchor_offset): Likewise.
8667 (use_anchors_for_symbol_p): New hook.
8668 * toplev.c (compile_file): Call output_object_blocks.
8669 (target_supports_section_anchors_p): New function.
8670 (process_options): Check that -fsection-anchors is only used on
8671 targets that support it and when -funit-at-a-time is in effect.
8672 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8673 if the decl doesn't have one.
8674 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8675 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8676 of force_const_mem through use_anchored_address.
8677 (expand_expr_constant): New function.
8678 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8679 calling expand_expr for INDIRECT_REF.
8680 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8681 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8682 * expr.h (use_anchored_address): Declare.
8683 * loop-unroll.c: Don't declare rtx vectors here.
8684 * explow.c: Include output.h.
8685 (validize_mem): Call use_anchored_address.
8686 (use_anchored_address): New function.
8687 * common.opt (-fsection-anchors): New switch.
8688 * varasm.c (object_block_htab, anchor_labelno): New variables.
8689 (hash_section, object_block_entry_eq, object_block_entry_hash)
8690 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8691 (use_blocks_for_decl_p, change_symbol_section): New functions.
8692 (get_variable_section): New function, split out from assemble_variable.
8693 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8694 use_blocks_for_decl_p say so. Use change_symbol_section if the
8695 symbol has already been created.
8696 (assemble_variable_contents): New function, split out from...
8697 (assemble_variable): ...here. Don't output any code for
8698 block symbols; just pass them to place_block_symbol.
8699 Use get_variable_section and assemble_variable_contents.
8700 (get_constant_alignment, get_constant_section, get_constant_size): New
8701 functions, split from output_constant_def_contents.
8702 (build_constant_desc): Create a block symbol if use_object_blocks_p
8703 says so. Or into SYMBOL_REF_FLAGS.
8704 (assemble_constant_contents): New function, split from...
8705 (output_constant_def_contents): ...here. Don't output any code
8706 for block symbols; just pass them to place_section_symbol.
8707 Use get_constant_section and get_constant_alignment.
8708 (force_const_mem): Create a block symbol if use_object_blocks_p and
8709 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8710 (output_constant_pool_1): Add an explicit alignment argument.
8711 Don't switch sections here.
8712 (output_constant_pool): Adjust call to output_constant_pool_1.
8713 Switch sections here instead. Don't output anything for block symbols;
8714 just pass them to place_block_symbol.
8715 (init_varasm_once): Initialize object_block_htab.
8716 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8717 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8718 (place_block_symbol, get_section_anchor, output_object_block)
8719 (output_object_block_htab, output_object_blocks): New functions.
8720 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8721 (TARGET_ASM_OUT): Include it.
8722 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8723 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8724 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8725 (TARGET_INITIALIZER): Include them.
8726 * rtl.c (rtl_check_failed_block_symbol): New function.
8727 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8728 (block_symbol, object_block): New structures.
8729 (rtx_def): Add a block_symbol field to the union.
8730 (BLOCK_SYMBOL_CHECK): New macro.
8731 (rtl_check_failed_block_symbol): Declare.
8732 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8733 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8734 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8735 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8736 * output.h (output_section_symbols): Declare.
8737 (object_block): Name structure.
8738 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8739 (default_use_anchors_for_symbol_p): Declare.
8740 * Makefile.in (RTL_BASE_H): Add vec.h.
8741 (explow.o): Depend on output.h.
8742 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8743 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8744 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8745 (rs6000_use_blocks_for_constant_p): New function.
8747 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8749 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8751 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8754 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8757 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8759 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8763 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8766 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8767 instead of DECL_REGISTER.
8769 2006-02-18 Olivier Hainque <hainque@adacore.com>
8772 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8774 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8777 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8778 * opth-gen.awk: Handle Var and InverseMask together.
8779 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8780 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8781 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8782 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8784 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8785 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8786 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8787 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8788 LINUX_DYNAMIC_LINKER): Define.
8789 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8790 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8792 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8793 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8794 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8795 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8796 (TARGET_C99_FUNCTIONS): Don't define.
8797 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8798 GLIBC_DYNAMIC_LINKER.
8799 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8800 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8801 GLIBC_DYNAMIC_LINKER64): Define.
8802 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8803 LINUX_DYNAMIC_LINKER64.
8804 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8805 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8806 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8807 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8808 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8809 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8810 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8811 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8812 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8813 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8814 and LINUX_DYNAMIC_LINKER32.
8815 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8816 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8817 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8818 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8819 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8821 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8822 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8823 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8824 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8825 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8826 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8827 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8828 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8829 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8830 LINUX_DYNAMIC_LINKER): Define.
8831 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8832 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8833 GLIBC_DYNAMIC_LINKER64): Define.
8834 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8835 LINUX_DYNAMIC_LINKER64.
8836 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8837 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8838 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8839 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8840 LINUX_DYNAMIC_LINKER): Define.
8841 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8842 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8843 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8844 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8845 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8846 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8847 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8848 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8849 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8850 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8851 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8852 * doc/invoke.texi (-muclibc): Remove caveat about supported
8855 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8857 * doc/cpp.texi (__TIMESTAMP__): Document.
8859 2006-02-17 Roger Sayle <roger@eyesopen.com>
8862 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8863 C is one less than the width of X (and related transformations).
8864 * simplify-rtx.c (simplify_unary_operation_1): Transform
8865 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8866 depending on STORE_FLAG_VALUE, were C is one less then the
8869 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8871 Fix PR tree-optimization/26341
8872 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8873 about NAME_MEMORY_TAG's.
8875 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8878 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8879 with hardware float support, and software float support. Add fcpy
8880 alternative to hardware patterns. Add alternatives to copy between
8881 general and floating-point registers to the 32-bit pattern.
8882 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8883 secondary reload to load a QI or HI mode constant into a floating
8885 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8886 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8888 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8891 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8893 (load_macho_picbase_di): Likewise.
8895 2006-02-16 Jeff Law <law@redhat.com>
8897 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8898 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8899 (ssa_name_nonzero_p): Likewise.
8900 (get_value_range): Return NULL if VRP is not running.
8901 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8902 VRP routines do not discover a range.
8903 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8904 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8905 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8906 (tree_expr_nonnegative_p): Similarly.
8907 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8908 (restore_nonzero_vars_to_original_value): Remove.
8909 (unsafe_associative_fp_binop): Remove.
8910 (tree_ssa_dominator_optimize): Remove initialization and
8911 finalization of nonzero_vars and nonzero_vars_stack.
8912 (dom_opt_initialize_block): No longer push marker on
8914 (dom_opt_finalize_block): No longer call
8915 restore_nonzero_vars_to_original_value.
8916 (record_equivalences_from_phis): No longer look for
8917 nonzero PHI arguments.
8918 (cprop_into_successor_phis): No longer propagate nonzero
8919 property into PHI arguments. Lose unused argument. Caller
8921 (record_equivalences_from_stmt): No longer record nonzero
8922 values for SSA_NAMEs.
8923 (lookup_avail_expr): No longer use nonzero_vars.
8925 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8926 for sizetype when sizetype is unsigned.
8928 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8930 PR rtl-optimization/25603
8931 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8932 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8933 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8934 with new meaning of SETS.
8936 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8941 * config/linux.opt: New file.
8942 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8943 LINUX_DYNAMIC_LINKER): Define.
8944 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8945 * config.gcc (*-*-linux*): Define extra_options.
8946 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8947 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8948 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8949 GLIBC_DYNAMIC_LINKER.
8950 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8951 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8952 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8953 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8954 * doc/invoke.texi (GNU/Linux Options): New section.
8956 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8958 * config/sparc/sparc.md (setjmp): Rewrite.
8959 (setjmp_32): Delete.
8960 (setjmp_64): Likewise.
8962 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8964 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8967 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8969 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8972 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8974 PR rtl-optimization/26296
8975 * Makefile.in (loop-invariant.c): Add except.h dependency.
8976 * loop-invariant.c: Include except.h.
8977 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8979 2005-02-16 Paul Brook <paul@codesourcery.com>
8981 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8984 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8986 PR rtl-optimization/25636
8987 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8988 when deciding whether an insn is an initializing insn.
8990 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8992 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8993 (tree_code_size): Ditto.
8994 * tree.h (struct tree_memory_tag): Remove parent_var.
8995 (struct tree_struct_field_tag): New.
8998 (union tree_node): Add sft member.
8999 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9001 (create_sft): Add size and offset argument, set SFT_OFFSET and
9003 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9004 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9005 * tree-flow-inline.h (get_subvar_at): Update for
9006 SFT_OFFSET/SFT_SIZE.
9007 (var_can_have_subvars): Ditto.
9008 (overlap_subvar): Ditto.
9009 * print-tree.c (print_node): Print out interesting things for
9011 * tree-flow.h (struct subvar): Remove offset and size members.
9012 * tree-ssa-operands.c (get_expr_operands): Update for
9013 get_indirect_ref_operands changes.
9014 (get_indirect_ref_operands): Call add_virtual_operand instead of
9015 add_stmt_operand. Only recurse on base var if requested.
9016 (access_can_touch_variable): New function.
9017 (add_stmt_operand): Split virtual operand handling into ...
9018 (add_virtual_operand): Here. Add offset, size, and for_clobber
9019 arguments. Prune alias sets.
9020 (add_call_clobber_ops): Call add_virtual_operand.
9022 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9025 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9027 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9028 than TREE_CODE as index into omp_clause_num_ops array.
9030 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9032 PR rtl-optimization/26184
9033 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9035 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9036 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9037 must_precede, must_follow and tobe_scheduled.
9040 * opts.c (common_handle_option): Free new_option pointer.
9041 * df-core.c (df_analyze): Free postorder pointer.
9043 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9045 * Makefile.in: Fix the examples about the use of stamps
9047 2006-02-15 Michael Matz <matz@suse.de>
9051 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9052 influenced by maximum_field_alignment or DECL_PACKED.
9053 (update_alignment_for_field): Ditto.
9054 (place_field): Ditto.
9055 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9058 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9060 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9061 (debug_flow_info): Pass it.
9062 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9063 * bb-reorder.c (reorder_basic_blocks): Likewise.
9064 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9065 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9066 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9067 * gcse.c (gcse_main, bypass_jumps): Likewise.
9068 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9069 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9070 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9071 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9072 * rtl.h (dump_flow_info): Adjust prototype.
9073 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9074 * var-tracking.c (variable_tracking_main): Likewise.
9075 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9076 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9079 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9081 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9084 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9086 PR tree-optimization/26209
9087 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9088 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9090 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9092 2006-02-14 Roger Sayle <roger@eyesopen.com>
9095 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9096 (X,Y) and the corresponding symmetry related transformations.
9097 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9098 (X,Y) and its symmetry related transformations.
9100 2006-02-14 Roger Sayle <roger@eyesopen.com>
9102 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9105 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9107 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9109 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9112 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9113 support COMDAT group.
9114 * configure: Regenerate.
9116 2006-02-14 Roger Sayle <roger@eyesopen.com>
9121 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9123 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9125 Fix PR tree-optimization/26260
9127 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9129 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9130 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9131 * tree-ssa-structalias.c (create_variable_info_for): Use
9132 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9134 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9136 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9138 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9139 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9140 of the ending condition.
9141 * tree-ssa-loop-manip.c: Include params.h.
9142 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9143 tree_unroll_loop): New functions.
9144 * tree-pass.h (pass_loop_prefetch): Declare.
9145 * loop.c (rest_of_handle_loop_optimize): Test for
9146 -fprefetch-loop-arrays-rtl.
9147 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9148 * timevar.def (TV_TREE_PREFETCH): New timevar.
9149 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9150 pass_loop_prefetch): New.
9151 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9152 (cleanup_tree_cfg_loop): Call scev_reset.
9153 * common.opt (fprefetch-loop-arrays-rtl): Add.
9154 * tree-ssa-loop-prefetch.c: New file.
9155 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9156 (new_temp_expr_table): Initialize expr_vars.
9157 (free_temp_expr_table): Cleanup expr_vars.
9158 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9159 expressions from being merged into one.
9160 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9161 (struct tree_niter_desc): Add control, bound and cmp fields.
9162 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9164 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9165 (tree-cfgcleanup.o): Add SCEV_H dependency.
9166 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9167 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9169 2006-02-14 Richard Guenther <rguenther@suse.de>
9171 PR tree-optimization/26258
9172 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9173 in PHI argument processing.
9175 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9177 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9178 new expression in the requested machine mode.
9180 2006-02-13 Roger Sayle <roger@eyesopen.com>
9182 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9183 directly, instead let do_compare_rtx_and_jump handle this for us.
9184 * expr.c (expand_expr_real_1): Likewise.
9185 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9186 before do_jump_by_parts_greater.
9187 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9188 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9190 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9192 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9194 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9196 PR rtl-optimization/26235
9197 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9198 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9201 2006-02-13 Jeff Law <law@redhat.com>
9203 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9206 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9209 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9210 twice if decl is a builtin. When trying again, call get_callee_fndecl
9211 first to verify it is still a builtin.
9213 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9215 * dwarf2out.c (base_type_die): Don't add AT_name here.
9216 (subrange_type_die): Don't add AT_name here.
9217 (modified_type_die): Rearrange code flow. Do add AT_name here.
9219 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9221 PR rtl-optimization/26247
9222 PR rtl-optimization/26248
9223 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9225 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9227 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9228 * config/fixtfdi.c: Likewise.
9229 * config/fixunstfdi.c: Likewise.
9230 * config/floatditf.c: Likewise.
9232 2006-02-13 Roger Sayle <roger@eyesopen.com>
9235 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9236 into (X,C2) if C1 is a subset of the bits of C2. Transform
9237 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9239 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9241 2006-02-13 Josh Conner <jconner@apple.com>
9244 * varasm.c (function_section): Check for section name before
9245 calling select_section on targets that define
9246 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9247 unlikely_text_section instead of hot_function_section if
9248 first_function_block_is_cold.
9250 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9253 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9255 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9257 PR rtl-optimization/26222
9258 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9259 after tree->rtl expansion.
9260 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9261 before passing it to emit_move_insn.
9263 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9265 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9267 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9268 Clarify documentation.
9269 * c-common.h (warn_write_strings): Remove.
9270 * c-common.c (warn_write_strings): Likewise.
9271 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9274 2006-02-12 Roger Sayle <roger@eyesopen.com>
9277 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9278 (do_jump_parts_zero_rtx): New function renamed from
9279 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9280 (do_jump_parts_equality_rtx): New function split out from
9281 do_jump_parts_equality. Old implementation renamed as above.
9282 Call do_jump_parts_zero_rtx if either operand is zero.
9283 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9284 do all of the heavy lifting.
9285 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9286 calling either do_jump_by_parts_greater_rtx or
9287 do_jump_by_parts_equality_rtx.
9288 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9289 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9290 moved to do_compare_rtx_and_jump, call it directly.
9291 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9292 mode argument. Call do_compare_rtx_and_jump.
9293 (emit_case_nodes): Update calls to do_jump_if_equal.
9295 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9297 PR rtl-optimization/26225
9298 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9300 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9302 PR rtl-optimization/26232
9303 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9305 2006-02-11 Jason Merrill <jason@redhat.com>
9308 * tree-inline.c (declare_return_variable): Just don't use the
9309 modify target if it's a gimple complex reg and the return slot
9312 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9314 * doc/contrib.texi: Update my entry.
9316 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9318 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9320 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9322 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9325 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9327 * doc/invoke.texi (-floop-optimize2): Removed.
9328 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9329 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9330 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9331 * common.opt (floop-optimize2): Removed.
9332 (fmove-loop-invariants): Enabled by default.
9334 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9336 * tree-if-conv.c (combine_blocks): Free the result of
9337 get_loop_exit_edges.
9339 2006-02-10 Jeff Law <law@redhat.com>
9341 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9343 PR tree-optimization/26213
9344 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9345 loop trying to follow SSA_NAME_VALUE chains.
9347 2006-02-10 Richard Guenther <rguenther@suse.de>
9349 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9350 deal with structures that end in implicitly variable sized arrays.
9352 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9354 PR rtl-optimization/24762
9355 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9358 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9360 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9361 (struct ivopts_data): Add regs_used field.
9362 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9363 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9364 instead of loop_data->regs_used;
9365 (free_loop_data): Do not free aux fields for loops.
9366 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9367 and tree_ssa_iv_optimize_finalize.
9369 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9371 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9373 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9376 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9377 computing the effective result type.
9379 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9382 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9383 (tree_overlaps_hard_reg_set): Declare.
9384 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9385 type and signature to match function type expected by walk_tree.
9386 (tree_overlaps_hard_reg_set): New function.
9387 (decl_conflicts_with_clobbers_p): Rename to:
9388 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9389 Use tree_overlaps_hard_reg_set. Changed caller.
9390 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9391 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9392 * cris.c (cris_md_asm_clobbers): Likewise.
9394 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9396 * reload1.c (emit_input_reload_insns): Delete code that tries to
9397 inherit using find_equiv_reg.
9399 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9401 * c-common.h (flag_const_strings): Don't declare.
9402 * c-common.c (flag_const_strings): Remove.
9403 * c.opt (fconst_strings): Remove.
9404 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9405 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9406 (c_common_init_options): Don't set flag_const_strings.
9407 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9409 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9411 * arm.md (tlobits_cbranch): New pattern.
9412 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9413 testing a single bit.
9415 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9418 * tree-ssa-pre.c (create_component_ref_by_pieces):
9419 Handle RETURN_DECL like VAR_DECL.
9421 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9424 * fold-const.c (fold_indirect_ref_1): Fold
9425 "*(foo *)&complexfoo" to "__real__ complexfoo"
9426 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9428 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9430 * tree-flow-inline.h (var_can_have_subvars):
9431 Volatile variables should not have subvariables.
9433 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9436 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9437 multiplying unsigned values.
9440 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9442 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9444 2006-02-08 Jason Merrill <jason@redhat.com>
9447 * tree.def: Elaborate on difference from MODIFY_EXPR.
9448 * doc/c-tree.texi (INIT_EXPR): Likewise.
9449 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9450 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9451 (gimplify_target_expr): Likewise.
9452 (gimplify_cond_expr): Remove target handling.
9453 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9454 (gimplify_expr): Clobber it here.
9455 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9456 Do return slot optimization if we have an INIT_EXPR.
9459 * tree-inline.c (declare_return_variable): Also clear
9460 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9463 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9466 * gimplify.c (gimplify_one_sizepos): Fix typo.
9468 2006-02-08 Jeff Law <law@redhat.com>
9470 PR tree-optimization/21417
9471 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9472 across a backedge if the control statement at the end of the
9473 block is data dependent on other statements in the same block.
9474 (record_temporary_equivalences_from_stmts): Remove over-conservative
9475 test for threading across backedges.
9477 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9478 control statement, handle all three special cases in the same
9479 manner as they all have the same desired solution. No longer
9480 special case edge flag updating when the post dominator is
9483 2006-02-08 Roger Sayle <roger@eyesopen.com>
9485 * tree.def (CHAR_TYPE): Remove.
9486 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9487 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9488 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9489 (gen_string_type_die): Delete unreachable function.
9491 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9492 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9493 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9494 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9495 * builtins.c (type_to_class): Likewise.
9496 * fold-const.c (fold_convert, build_range_check,
9497 merge_ranges): Likewise.
9498 * expr.c (count_type_elements): Likewise.
9499 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9500 * stor-layout.c (layout_type): Likewise.
9501 * ipa-type-escape.c (type_to_consider): Likewise.
9502 * gimplify.c (omp_firstprivatize_type_sizes,
9503 gimplify_type_sizes): Likewise.
9504 * explow.c (promote_mode): Likewise.
9505 * tree-sra.c (is_sra_scalar_type): Likewise.
9506 * varasm.c (output_constant): Likewise.
9507 * tree-inline.c (remap_type_1): Likewise.
9508 * convert.c (convert_to_pointer, convert_to_real,
9509 convert_to_integer, convert_to_complex): Likewise.
9511 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9513 * df-scan.c (df_def_record_1): A set destination may
9514 be a parallel regardless of mode.
9516 2006-02-08 Roger Sayle <roger@eyesopen.com>
9519 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9520 * config/mips/_tilib.c: Remove.
9521 * config/fixtfdi.c: New libgcc source file.
9522 * config/fixunstfdi.c: New source file.
9523 * config/floatditf.c: New source file.
9524 * config/floatunditf.c: New souce file.
9525 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9526 files above instead of config/mips/_tilib.c.
9527 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9529 2006-02-08 Jeff Law <law@redhat.com>
9531 PR tree-optimization/26169
9532 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9535 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9537 * df.h (DF_REG_SIZE): Return the length of the initialized
9540 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9542 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9543 __muldf3): Return a correctly signed zero.
9545 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9547 * passes.c (register_one_dump_file): Accept the current properties
9548 instead of pass number. Adjust call to dump_register. Remove
9550 (register_dump_files): Now a wrapper around...
9551 (register_dump_files_1): ... this one. Do not modify the pass
9553 (next_pass_1): Cosmetic fix.
9554 (execute_todo): Keep second parameter only. Use curr_properties
9555 instead of fetching it from the pass structure. Check and set
9557 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9558 instead of fetching it from the pass structure. Fix calls to
9559 execute_todo. Update curr_properties and initialize .vcg RTL dump
9560 after running the pass. Reset last_verified.
9561 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9563 (FIRST_AUTO_NUMBERED_DUMP): New.
9564 (dump_register): Remove "num" parameter, assign it within the
9566 (get_dump_file_name): Modify template for dumps.
9567 * tree-dump.h (dump_register): Adjust prototype.
9568 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9569 (PROP_trees): Add PROP_gimple_lomp.
9570 (TODO_set_props): New.
9571 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9572 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9573 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9575 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9577 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9578 (sparc64-*-linux*): Likewise.
9579 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9580 * config/sparc/t-linux: New file.
9581 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9582 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9583 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9584 -m32 -mlong-double-128.
9586 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9587 * config/alpha/t-linux: New file.
9588 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9590 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9591 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9592 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9593 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9594 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9595 (CPP_ARCH32_SPEC): Remove.
9597 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9599 PR tree-optimization/26145
9600 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9603 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9606 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9607 >= 240000 when generating code for SOM runtime.
9608 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9609 to $$dyncall when generating code for SOM runtime..
9611 2006-02-07 Dirk Mueller <dmueller@suse.com>
9614 * doc/invoke.texi (-Wsequence-point): Update documentation
9615 that -Wsequence-point is implemented for C++ as well.
9617 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9619 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9620 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9621 (LIB_SPEC): Likewise.
9622 * doc/invoke.texi (SPARC options): Document -pthread.
9624 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9626 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9629 2006-02-07 Roger Sayle <roger@eyesopen.com>
9631 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9632 Correct comment describing BOOLEAN_TYPE.
9634 2006-02-07 Dirk Mueller <dmueller@suse.com>
9636 * c.opt: C++ frontend supports -Wdiv-by-zero.
9637 * c-opts.c (c_common_handle_option): Remove dead case.
9639 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9641 * configure.ac (TLS assembler check): Do not enable TLS by
9642 default on SPARC/Solaris before version 10.
9643 * configure: Regenerate.
9645 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9647 * doc/invoke.texi (xl-compat): Document conversion and support
9650 2006-02-07 Jeff Law <law@redhat.com>
9652 * tree-vrp.c (find_conditional_asserts): Update comments.
9653 (simplify_stmt_for_jump_threading): New.
9654 (identify_jump_threads, finalize_jump_threads): New.
9655 (vrp_finalize): Call identify_jump_threads.
9656 (execute_vrp): Call finalize_jump_threads.
9657 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9658 (vrp_element, vrp_data, vrp_element_p): Remove.
9659 (vrp_hash_elt, vrp_variables_stack): Remove.
9660 (vrp_hash, vrp_eq, record_range): Remove.
9661 (simplify_cond_and_lookup_avail_expr): Remove.
9662 (extract_range_from_cond): Remove.
9663 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9664 (simplify_stmt_for_jump_threading): New.
9665 (dom_thread_across_edge): New wrapper.
9666 (tree_ssa_dominator_optimize): No longer initialize or
9667 finalize any of the VRP datastructures. Remove iteration
9668 step and simplify as a result of removal of iteration step.
9669 (pass_dominator): Perform a cfg cleanup after DOM.
9670 (dom_opt_finalize_block): Use the new common routines
9671 for threading jumps. Simplify stack management slightly.
9672 No longer need to unwind VRP state.
9673 (record_equivalences_from_incoming_edge): No longer record
9675 (eliminate_redundant_computations): No longer call
9676 simplify_cond_and_lookup_avail_expr.
9677 * tree-flow.h (potentially_threadable_block): Prototype.
9678 (thread_across_edge): Likewise.
9679 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9680 (tree-ssa-threadedge.o): Add dependencies.
9681 * tree-ssa-threadedge.c: New file.
9682 * passes.c (init_optimization_passes): Merge PHIs before
9683 calling VRP. Run VRP again late in the SSA optimization pipeline.
9685 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9687 * df-core.c (df_set_blocks): Do not dereference function pointers.
9688 (df_finish1): Likewise.
9689 (df_hybrid_search_forward): Likewise.
9690 (df_hybrid_search_backward): Likewise.
9691 (df_iterative_dataflow): Likewise.
9692 (df_analyze_problem): Likewise.
9693 (df_compact_blocks): Likewise.
9694 (df_dump): Likewise.
9695 * df-scan.c (df_rescan_blocks): Likewise.
9696 (df_record_entry_block_defs): Likewise.
9698 * genconditions.c (write_conditions): Guard the definition of
9699 'insn_conditions' with the check on GCC version.
9700 (write_writer): Guard the traversal 'insn_conditions' with
9701 the check on GCC version.
9703 2006-02-07 Richard Guenther <rguenther@suse.de>
9707 2006-01-30 Richard Guenther <rguenther@suse.de>
9709 * gimplify.c (gimplify_target_expr): Handle easy cases
9710 without creating a temporary.
9712 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9714 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9715 use of float in probability computations. Use edge probabilities
9716 in place of statically computed probabilities.
9717 (min_spec_prob): New static variable.
9718 (schedule_insns): Initialize it.
9719 (GET_SRC_PROB): Removed.
9720 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9722 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9725 * config/ia64/unwind-ia64.c: Revert last change.
9726 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9727 (INCOMING_FRAME_SP_OFFSET): Define.
9729 2006-02-06 Roger Sayle <roger@eyesopen.com>
9731 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9733 2006-02-07 Ben Elliston <bje@au.ibm.com>
9735 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9736 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9737 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9738 (ix86_return_in_memory): Handle TDmode.
9739 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9740 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9742 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9744 * reorg.c (dbr_schedule): Use dump_file instead of file.
9746 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9749 * config/ia64/predicates.md (extr_len_operand): New predicate.
9750 * config/ia64/ia64.md (extv): Tighten constraints.
9752 (*tbit_and_2): Ditto.
9753 (*tbit_and_3): Ditto.
9754 (*tbit_or_2): Ditto.
9755 (*tbit_or_3): Ditto.
9759 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9762 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9764 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9766 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9767 loop_optimizer_init and loop_optimizer_finalize
9768 * tree-ssa-sink.c (execute_sink_code): Ditto.
9769 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9770 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9771 tree_ssa_loop_done): Ditto.
9772 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9773 * sched-ebb.c: Include output.h.
9774 (schedule_ebbs): Do not use dump argument.
9775 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9776 * loop.c (loop_dump_stream): Removed.
9777 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9779 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9780 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9781 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9782 loop_iterations, strength_reduce, record_biv, record_giv,
9783 final_giv_value, check_final_value, check_ext_dependent_givs,
9784 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9785 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9786 dump_file instead of loop_dump_stream.
9787 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9789 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9791 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9792 * haifa-sched.c: Include output.h
9793 (schedule_insns, sched_init): Do not use dump argument.
9794 * mode-switching.c (optimize_mode_switching): Ditto.
9795 * modulo-sched.c (stats_file): Removed.
9796 (print_node_sched_params): Do not call argument dump_file.
9797 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9798 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9800 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9802 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9803 rtl_loop_init, rtl_loop_done): Ditto.
9804 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9805 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9807 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9808 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9809 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9810 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9811 * emit-rtl.c (renumber_insns): Ditto.
9812 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9813 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9814 * regclass.c (regclass): Ditto.
9815 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9816 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9817 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9818 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9820 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9821 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9823 * gcse.c (gcse_file, debug_stderr): Removed.
9824 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9825 rest_of_handle_gcse): Do not use dump argument.
9826 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9827 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9828 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9829 compute_code_hoist_vbeinout, compute_code_hoist_data,
9830 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9831 compute_store_table, build_store_vectors, insert_insn_start_bb,
9832 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9833 store_motion): Use dump_file instead of gcse_file.
9834 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9835 * profile.c (profile_dump_file): Removed.
9836 (branch_prob): Use dump_file instead of profile_dump_file.
9837 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9839 * tree-ssa-copy.c (dump_copy_of): Ditto.
9840 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9841 dump file to life_analysis.
9842 * bt-load.c (branch_target_load_optimize): Ditto.
9843 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9845 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9846 regclass, dbr_schedule): Declaration changed.
9847 * sched-int.h (sched_init): Declaration changed.
9848 * tree-profile.c (tree_profile_dump_file): Removed.
9849 (tree_profile_hooks): Removed profile_dump_file hook.
9850 * rtl-profile (rtl_profile_dump_file): Removed.
9851 (rtl_profile_hooks): emoved profile_dump_file hook.
9852 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9854 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9855 * tree-cfg.c (build_tree_cfg): Ditto.
9856 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9857 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9858 Declaration changed.
9859 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9860 life_analysis and schedule_insns.
9861 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9863 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9865 * config/mips/mips.c (mips_reorg): Ditto.
9866 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9869 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9871 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9872 (s390_mangle_fundamental_type): New.
9873 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9876 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9877 (alpha_mangle_fundamental_type): New.
9878 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9881 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9883 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9885 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9886 (sparc_mangle_fundamental_type): New.
9888 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9890 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9891 (s390x-*-linux*): Likewise.
9892 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9893 * config/s390/t-linux: New file.
9895 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9897 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9898 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9900 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9902 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9903 (ANTIC_SAFE_LOADS): New macro.
9904 (find_or_generate_expression): Add prototype.
9905 (set_contains_value): Allow null set for sake of not always having
9906 to allocate ANTIC_SAFE_LOADS.
9907 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9908 Allow COMPONENT_REF too.
9909 (valid_in_set): Allow COMPONENT_REF.
9910 Check ANTIC_SAFE_LOADS too.
9911 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9912 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9914 (can_PRE_operation): Add COMPONENT_REF.
9915 (create_component_ref_by_pieces): New function.
9916 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9917 (insert_aux): Move AGGREGATE_TYPE_P check here.
9918 (compute_avail): Set bb local stmt uids.
9919 (pass_pre): Use TODO_update_ssa_only_virtuals.
9921 2006-02-06 Ben Elliston <bje@au.ibm.com>
9923 * configure.ac: Unconditionally disable decimal float by default.
9924 * configure: Regenerate.
9926 2006-02-06 Ben Elliston <bje@au.ibm.com>
9928 * read-rtl.c (read_name): Terminate reading on EOF.
9930 2006-02-06 Ben Elliston <bje@au.ibm.com>
9932 * dfp.c (decimal_real_arithmetic): Change second argument type
9933 from int to enum tree_code. Do not always return true, but now
9934 return result of any call to decimal_do helper functions.
9935 * dfp.h (decimal_real_arithmetic): Update prototype.
9937 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9939 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9941 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9944 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9947 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9949 * tree-vrp.c (cfg_loops): Removed.
9950 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9951 Use current_loops instead of cfg_loops. Pass flags to
9952 loop_optimizer_init.
9953 * cfgloopmanip.c (fix_loop_structure): Update only available
9955 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9956 loop_optimizer_init.
9957 * modulo-sched.c (build_loops_structure): Removed.
9958 (sms_schedule): Use loop_optimizer_init.
9959 * loop-init.c (loop_optimizer_init): Use flags to determine
9960 which properties of loops to prepare.
9961 (rtl_loop_init): Pass flags to loop_optimizer_init.
9962 * tree-ssa-sink.c (execute_sink_code): Ditto.
9963 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9964 * tree-ssa-pre.c (init_pre): Ditto.
9965 * cfgloop.h (LOOPS_NORMAL): New.
9966 (loop_optimizer_init): Declaration changed.
9968 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9970 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9971 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9973 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9975 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9977 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9978 * pa/t-pa64: Delete quadlib.c rule.
9979 * pa/x-ada: Revert last change.
9980 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9982 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9984 PR rtl-optimization/26087
9985 * rtlanal.c (canonicalize_condition): Do not cross basic block
9988 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9991 * config/ia64/ia64.c: Include debug.h.
9992 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9993 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9994 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9995 (process_epilogue, process_set, process_for_unwind_directive):
9996 Output unwind info only if requested. Add CFA info if requested.
9997 Add new arguments as needed. Adjust callers.
9998 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10000 (DWARF2_FRAME_INFO): Define to zero.
10001 * config/ia64/unwind-ia64.c: Remove code that compensated for
10002 the CFA offset error fixed above.
10003 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10004 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10005 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10006 -funwind-tables and -fexceptions to enable frame info.
10007 (dwarf2out_frame_init): Define initial CFA even if
10008 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10009 DWARF2_UNWIND_INFO is nonzero, not just defined.
10010 (dwarf2out_frame_finish): Output non-EH call frame info only
10011 if DWARF2_FRAME_INFO is nonzero.
10012 (convert_cfa_to_loc_list,
10013 compute_frame_pointer_to_cfa_displacement): Define even if
10014 unwind info is not supported.
10015 (gen_subprogram_die): Use the above unconditionally. Remove
10016 legacy alternate code.
10017 * toplev.c (compile_file): Compile in call to
10018 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10019 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10021 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10022 Jakub Jelinek <jakub@redhat.com>
10024 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10025 IBM extended float format long double as "g" on powerpc*-linux.
10027 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10030 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10031 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10033 2006-02-03 Jason Merrill <jason@redhat.com>
10036 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10038 PR middle-end/25977
10039 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10040 on the return slot if it's an NRV.
10042 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10044 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10045 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10046 rewrite_use): Do not handle USE_OUTER.
10047 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10048 add_iv_outer_candidates, may_replace_final_value,
10049 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10050 (find_interesting_uses_op): Functionality of
10051 find_interesting_uses_outer_or_nonlin moved here.
10052 (find_interesting_uses_outside): Use find_interesting_uses_op.
10054 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10057 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10059 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10060 Ulrich Weigand <uweigand@de.ibm.com>
10063 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10064 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10065 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10066 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10068 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10069 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10070 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10071 Define secondary reloads for TFmode moves.
10072 (constant_modes): Add TFmode.
10073 (NR_C_MODES): Set to 8.
10074 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10076 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10077 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10078 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10079 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10080 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10081 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10082 (FPR mode macro): Add TFmode.
10083 (DSF mode macro): New.
10084 (<de>, <dee> mode attributes): Removed.
10085 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10086 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10087 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10088 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10089 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10090 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10091 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10092 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10093 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10094 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10095 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10096 "*negabs<mode>2", "sqrt<mode>2"):
10097 Changed <de> to <xde>. R constraint replaced by <Rf>.
10098 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10100 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10101 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10102 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10104 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10105 "extenddftf2", "extendsftf2"): New expanders.
10106 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10107 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10108 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10109 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10111 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10112 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10113 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10114 __floatditf): Add a GCC_4.1.0 symbol version tag.
10115 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10118 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10121 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10122 Use targetm.binds_local_p instead of TREE_PUBLIC.
10124 2006-02-02 Roger Sayle <roger@eyesopen.com>
10126 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10127 on INTEGER_TYPEs to indicate that it denotes a character type.
10128 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10129 signed_char_type_node, unsigned_char_type_node and char_type_node.
10130 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10131 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10132 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10134 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10135 Daniel Berlin <dberlin@dberlin.org>
10137 * tree-tailcall.c (arg_needs_copy_p): New function.
10138 (eliminate_tail_call): Use arg_needs_copy_p.
10139 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10140 (add_virtual_phis): New function.
10142 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10144 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10145 #ignore instead of #scratch for %g7 .register directive.
10147 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10149 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10152 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10154 * flow.c (calculate_global_regs_live): Assert that there aren't any
10157 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10159 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10160 what its name says.
10161 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10162 bsi_after_labels iterator.
10163 * tree-if-conv.c (find_phi_replacement_condition,
10164 replace_phi_with_cond_modify_expr): Likewise.
10165 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10166 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10168 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10170 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10172 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10175 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10176 array after growing it.
10178 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10180 PR middle-end/24901
10181 * fold-const.c (fold_checksum_tree): Change type of buf.
10183 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10185 * reload.c (push_secondary_reload): Initialize t_icode.
10187 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10189 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10190 -msoft-float -mlong-double-128 only issue a warning, but don't
10191 swich to DFmode long double.
10193 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10195 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10196 has a constant equivalent, iterate over equivalents for arg0,
10197 calling simplify_relational_operation and if there's a result
10198 cheaper than X, apply fold_rtx and return the result.
10200 2006-02-01 Jan Hubicka <jh@suse.cz>
10202 * opts.c (no_unit_at_a_time_default): New global variable.
10203 (decode_options): Use it.
10204 * opts.h (no_unit_at_a_time_default): Declare.
10206 2006-02-01 Paul Brook <paul@codesourcery.com>
10208 * function.c (assign_parm_setup_reg): Use function argument promotion
10210 * expr.c (expand_expr_real_1): Use function argument promotion rules
10213 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10215 * gcc.c (process_command): Change j to 'unsigned int'.
10217 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10219 PR middle-end/26001
10220 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10221 Use the corrected index for the character
10222 out of the string constant.
10224 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10226 * mode-switching.c (optimize_mode_switching): Fix size
10227 allocated for bb_info[n_entities].
10229 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10231 * gcc.c (main): Correct type that is allocated for
10232 explicit_link_files.
10234 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10236 * config/s390/s390.c (init_alignment_context): Set
10237 ALIAS_SET_MEMORY_BARRIER on the MEM.
10238 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10240 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10242 PR middle-end/25933
10243 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10245 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10248 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10250 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10251 * regrename.c: Ditto.
10252 * tree-ssa-loop-im.c: Ditto.
10253 * tree-dump.c: Ditto.
10254 * tree-complex.c: Ditto.
10255 * genrecog.c: Ditto.
10256 * tree-ssa-threadupdate.c: Ditto.
10258 * java/class.c: Ditto.
10259 * java/jcf-parse.c: Ditto.
10260 * java/resource.c: Ditto.
10261 * java/except.c: Ditto.
10262 * java/jvspec.c: Ditto.
10263 * java/jcf-write.c: Ditto.
10264 * java/jcf-path.c: Ditto.
10265 * java/gjavah.c: Ditto.
10266 * java/zextract.c: Ditto.
10267 * java/jcf-io.c: Ditto.
10268 * java/jcf.h: Ditto.
10269 * java/buffer.c: Ditto.
10270 * java/lang.c: Ditto.
10271 * java/parse-scan.y: Ditto.
10272 * java/lex.c: Ditto.
10273 * java/lex.h: Ditto.
10274 * cfgloopmanip.c: Ditto.
10275 * postreload-gcse.c: Ditto.
10276 * tree-ssa-loop-manip.c: Ditto.
10277 * postreload.c: Ditto.
10278 * tree-ssa-loop-ch.c: Ditto.
10281 * cppspec.c: Ditto.
10282 * diagnostic.c: Ditto.
10284 * genoutput.c: Ditto.
10286 * cfghooks.c: Ditto.
10287 * cfgloopanal.c: Ditto.
10288 * objc/objc-act.c: Ditto.
10290 * genextract.c: Ditto.
10291 * genautomata.c: Ditto.
10292 * pretty-print.c: Ditto.
10293 * genemit.c: Ditto.
10294 * cgraphunit.c: Ditto.
10296 * df-scan.c: Ditto.
10297 * haifa-sched.c: Ditto.
10298 * dominance.c: Ditto.
10300 * tree-ssa-loop-ivopts.c: Ditto.
10301 * df-core.c: Ditto.
10302 * mode-switching.c: Ditto.
10303 * modulo-sched.c: Ditto.
10305 * ipa-pure-const.c: Ditto.
10307 * fix-header.c: Ditto.
10309 * tree-stdarg.c: Ditto.
10310 * ipa-utils.c: Ditto.
10311 * loop-init.c: Ditto.
10312 * ipa-inline.c: Ditto.
10313 * cfganal.c: Ditto.
10315 * alloc-pool.c: Ditto.
10316 * dwarf2out.c: Ditto.
10318 * genattrtab.c: Ditto.
10319 * tree-ssa-loop-ivcanon.c: Ditto.
10320 * predict.c: Ditto.
10321 * timevar.c: Ditto.
10323 * fortran/gfortranspec.c: Ditto.
10324 * regmove.c: Ditto.
10325 * local-alloc.c: Ditto.
10326 * langhooks.c: Ditto.
10327 * function.c: Ditto.
10328 * tree-vectorizer.c: Ditto.
10330 * ipa-type-escape.c: Ditto.
10332 * tree-if-conv.c: Ditto.
10333 * profile.c: Ditto.
10335 * tree-data-ref.c: Ditto.
10336 * loop-unroll.c: Ditto.
10337 * treelang/treetree.c: Ditto.
10339 * bt-load.c: Ditto.
10340 * ggc-common.c: Ditto.
10342 * coverage.c: Ditto.
10344 * tree-cfgcleanup.c: Ditto.
10345 * tree-ssa-pre.c: Ditto.
10346 * cfgcleanup.c: Ditto.
10347 * loop-invariant.c: Ditto.
10348 * loop-iv.c: Ditto.
10349 * ipa-prop.c: Ditto.
10350 * print-tree.c: Ditto.
10351 * conflict.c: Ditto.
10352 * ggc-page.c: Ditto.
10353 * sched-deps.c: Ditto.
10354 * regclass.c: Ditto.
10355 * tree-object-size.c: Ditto.
10356 * combine.c: Ditto.
10357 * bb-reorder.c: Ditto.
10358 * resource.c: Ditto.
10359 * var-tracking.c: Ditto.
10360 * cfgloop.c: Ditto.
10361 * df-problems.c: Ditto.
10362 * reg-stack.c: Ditto.
10364 * gccspec.c: Ditto.
10365 * sched-rgn.c: Ditto.
10366 * tree-ssa-structalias.c: Ditto.
10367 * tree-ssa-reassoc.c: Ditto.
10368 * config/darwin-c.c: Ditto.
10369 * config/darwin.c: Ditto.
10370 * config/arm/arm.c: Ditto.
10372 * collect2.c: Ditto.
10373 * reload1.c: Ditto.
10375 2006-01-31 Nicolas Pitre <nico@cam.org>
10377 * arm.md (smaxsi3): Make aware of smax_m1.
10380 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10382 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10384 2006-01-31 Richard Guenther <rguenther@suse.de>
10386 * doc/invoke.texi (-msselibm): Document.
10387 * target.h (expand_library_builtin): New target hook.
10388 * builtins.c (expand_builtin): Use expand_library_builtin.
10389 (default_expand_library_builtin): New function.
10390 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10391 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10392 (link_gcc_math_spec): Declare.
10393 (static_specs): Add link_gcc_math_spec.
10394 * expr.h (default_expand_library_builtin): Declare.
10395 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10396 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10397 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10398 * config/i386/i386.opt (msselibm): New target option.
10399 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10400 (ix86_init_sse_abi_builtins): New function.
10401 (ix86_expand_library_builtin): Likewise.
10402 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10403 (override_options): Handle error conditions wrt -msselibm.
10404 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10405 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10406 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10409 2006-01-31 Richard Guenther <rguenther@suse.de>
10410 Paolo Bonzini <bonzini@gnu.org>
10412 * doc/install.texi (--disable-libgcc-math): Document.
10414 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10416 * expr.h (expand_normal): new inline function.
10417 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10418 * dojump.c: use it.
10419 * dwarf2out.c: use it.
10422 * expmed.c: use it.
10423 * except.c: use it.
10424 * config/sparc/sparc.c: use it.
10425 * config/i386/i386.c: use it.
10426 * config/rs6000/rs6000.c: use it.
10427 * config/arm/arm.c: use it.
10428 * config/mips/mips.c: use it.
10429 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10431 2006-01-30 Roger Sayle <roger@eyesopen.com>
10433 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10434 argv to the appropriate type.
10436 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10438 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10441 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10444 * config/s390/s390.c (struct machine_function): New flag
10445 decomposed_literal_pool_addresses_ok_p.
10446 (s390_reorg): Set it before final stage of literal pool transforms.
10447 (s390_decompose_address): Only accept displacements of the form
10448 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10450 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10452 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10453 the comparison routine return.
10455 2006-01-30 Michael Matz <matz@suse.de>
10457 * global.c (find_reg): Only evict for global regs.
10458 Take n_refs into account and dump more info.
10460 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10463 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10464 (pragma_trap, pragma_nosave_low_regs): Likewise.
10465 (current_function_anonymous_args): Likewise.
10466 (sh_deferred_function_attributes): New variable.
10467 (sh_deferred_function_attributes_tail): Likewise.
10468 (print_operand): For '@', look up trap_exit attribute.
10469 (calc_live_regs): Look up trapa_handler attribute. For trapa
10470 handlers, save/restore fpscr, but don't do any other
10471 interrupt-specific saves.
10472 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10473 Fix check for partially saved registers to check for SHmedia.
10474 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10475 (sh_output_function_epilogue): Don't clear any of the removed
10477 (sh_insert_attributes): Don't check pragma_interrupt.
10478 Insert deferred attributes. Check that interrupt attribute is
10479 present for other attributes that require its presence.
10480 (sh_attribute_table): Add new attributes trapa_handler and
10482 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10483 Don't check for pragma_interrupt. Don't store argument.
10484 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10485 (sh_deferred_function_attributes): Declare.
10486 (sh_deferred_function_attributes_tail): Likewise.
10487 * sh.md (sp_switch_1): Add operand. Change generator caller.
10488 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10489 (*return_i): Don't use when trap_exit attribute is in effect.
10490 (*return_trapa): New insn pattern.
10491 * sh-c.c: New file.
10492 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10493 setting c_target_objs and cxx_target_objs.
10494 * t-sh: Add rule for sh-c.o.
10496 2006-01-30 Richard Guenther <rguenther@suse.de>
10499 * gimplify.c (gimplify_target_expr): Handle easy cases
10500 without creating a temporary.
10502 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10504 * vec.h (safe_grow): Remove duplicated line.
10506 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10509 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10510 (expand_omp): ... here.
10511 (expand_omp_parallel): Only remove barriers for combined
10512 parallel+workshare constructs.
10514 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10518 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10519 * tree.c (build_qualified_type): Chain the new type to the original
10520 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10521 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10522 (build_pointer_type_for_mode): Only return unqualified types.
10523 (build_reference_type_for_mode): Likewise.
10525 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10527 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10528 * Makefile.in (CXX_COMPAT_WARN): Define.
10529 * configure: Regenerate.
10531 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10534 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10537 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10539 * toplev.c: Fix thinko.
10541 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10542 Marcin Dalecki <martin@dalecki.de>
10544 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10545 (push_srcloc): Use XNEW.
10546 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10548 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10550 * df-core.c (df_set_blocks): Deleted all variable.
10552 2006-01-28 Ian Lance Taylor <ian@airs.com>
10554 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10555 cgraph_output_pending_asms.
10557 2006-01-28 Zack Weinberg <zackw@panix.com>
10559 * c.opt: Add -W(no-)overlength-strings.
10560 * doc/invoke.texi: Document it.
10561 * c-opts.c (c_common_handle_option): -pedantic implies
10562 -Woverlength-strings, if not explicitly disabled already.
10563 (c_common_post_options): -Woverlength-strings defaults to off, and
10564 is always off for C++.
10565 * c-common.c (fix_string_type): Issue warning about strings longer
10566 than is portable only if warn_overlength_strings. Rearrange code
10567 a little for clarity.
10568 * configure.in: Check for -Wno-overlength-strings as well before
10569 enabling -pedantic in stage 1.
10570 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10571 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10573 * genconditions.c (write_header, write_one_condition)
10574 (write_conditions, write_writer): Consolidate very long strings
10575 that were broken up to fit in C89 portable limit. Don't use
10576 printf when fputs will do.
10578 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10580 * combine.c (simplify_comparison <AND>): Check
10581 TRULY_NOOP_TRUNCATION before start using a subreg.
10583 * config/mips/mips.md (*branch_zero<mode>,
10584 *branch_zero<mode>_inverted, *branch_equality<mode>,
10585 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10586 Remove mode check from comparisons.
10588 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10590 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10592 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10594 * expmed.c (const_mult_add_overflow_p): Remove.
10595 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10597 * recog.c (validate_replace_rtx_subexp): Remove.
10598 * recog.h: Remove the prototype for
10599 validate_replace_rtx_subexp.
10601 * integrate.h: Remove the prototype for
10602 copy_decl_for_inlining.
10603 * rtl.h: Remove the prototype for mark_constant_function.
10604 * tree-vectorizer.h: Remove the prototype for
10605 vect_strip_conversion.
10607 * modulo-sched.c (create_partial_schedule,
10608 free_partial_schedule, reset_partial_schedule): Make them
10611 * hooks.c (hook_bool_rtx_int_false): Remove.
10612 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10614 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10616 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10617 and -mlong-double-128 are incompatible.
10618 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10619 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10620 (TARGET_LIBGCC2_CFLAGS): Define.
10621 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10622 (TARGET_LIBGCC2_CFLAGS): Same.
10623 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10625 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10628 * c-typeck.c (build_binary_op): Perform implicit casts of
10629 operands before shortening them.
10631 * cfgloopmanip.c (split_loop_bb): Remove.
10632 * cfgloop.h: Remove the prototype for split_loop_bb.
10634 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10635 * cfgloop.h: Remove the prototype for
10636 flow_loop_outside_edge_p.
10638 * emit-rtl.c (init_virtual_regs): Make it static.
10639 * function.h: Remove the prototype for init_virtual_regs.
10641 * recog.c (peephole2_optimize): Make it static.
10642 * recog.h: Remove the prototype for peephole2_optimize.
10644 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10646 * df-scan.c (df_record_entry_block_defs): Check if
10647 INCOMING_RETURN_ADDR_RTX is defined.
10649 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10650 Kenneth Zadeck <zadeck@naturalbridge.com>
10652 PR rtl-optimization/24762
10653 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10654 * targhooks.c (hook_void_bitmap): New hook prototype.
10655 * targhoohs.h (hook_void_bitmap): Ditto.
10656 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10657 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10658 * target.h (live_on_entry): New function pointer.
10659 * df-scan.c (df_all_hard_regs): Removed.
10660 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10661 (df_scan_free_internal): Added df->entry_block_defs.
10662 (df_scan_alloc): Ditto.
10663 (df_scan_dump): Ditto.
10664 (df_uses_record): Plumbed flag field properly thru calls.
10665 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10666 This part fixes PR24762.
10667 (df_bb_refs_record): Added code to make the frame and arg
10668 pointers live in EH blocks.
10669 (df_refs_record): Added call to df_record_entry_block_defs.
10670 (df_record_entry_block_defs): New function.
10671 * df-core.c: Added comments to describe new artifical defs.
10672 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10673 (entry_block_defs): New field in struct df.
10674 (df_all_hard_regs): Deleted.
10675 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10676 * df-problems.c (df_ru_bb_local_compute_process_def):
10677 Added code to handle artifical defs in the entry to a function.
10678 (df_ru_bb_local_compute): Ditto.
10679 (df_rd_bb_local_compute_process_def): Ditto.
10680 (df_rd_bb_local_compute): Ditto.
10681 (df_lr_bb_local_compute): Ditto.
10682 (df_ur_bb_local_compute): Ditto.
10683 (df_urec_bb_local_compute): Ditto.
10684 (df_chain_create_bb): Ditto.
10685 (df_ur_local_finalize): Removed entry.
10686 (df_urec_init): Ditto.
10687 (df_urec_local_finalize): Ditto.
10688 (df_ri_bb_compute): Added detection of last use of pseudos.
10689 * Makefile.in (df-scan.o): Updated dependencies.
10690 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10691 * config/mips/mips.c (mips_set_live_on_entry): Added.
10692 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10694 * dce.c (marked_insn_p): Added code to handle artifical defs.
10696 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10698 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10700 (_mm_cvtsi128_si64): Likewise.
10701 (_mm_cvtsd_si64): Likewise.
10702 (_mm_cvttsd_si64): Likewise.
10703 (_mm_cvtsi64_sd): Likewise.
10704 (_mm_cvtsi64_si128): Likewise.
10705 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10706 (_mm_cvtsi64_m64): Likewise.
10707 (_m_to_int64): Likewise.
10708 (_mm_cvtm64_si64): Likewise.
10709 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10710 (_mm_cvttss_si64): Likewise.
10711 (_mm_cvtsi64_ss): Likewise.
10712 (_mm_cvtss_f32): Likewise.
10714 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10716 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10717 for pragma redefine_extname.
10719 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10722 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10723 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10724 -mno-minimal-toc to previous content.
10725 (bispecs): Remove goal.
10726 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10727 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10728 compatibility aliases on powerpc-*-*gnu*.
10729 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10730 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10731 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10732 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10733 (ldblspecs): New goal.
10734 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10735 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10737 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10738 L_sf_to_tf or L_df_to_tf is defined.
10740 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10741 Alan Modra <amodra@bigpond.net.au>
10744 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10745 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10746 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10747 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10748 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10749 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10750 (rs6000_override_options): Initialize rs6000_ieeequad.
10751 Initialize TFmode format to ibm_extended_format if not
10753 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10755 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10756 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10757 (function_arg_advance): IBM long double passed in two FPRs, not
10759 (function_arg): IBM long double passed in FPRs.
10760 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10761 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10762 Only multireg GPR aligned.
10763 (rs6000_init_libfuncs): Enable IBM long double functions if not
10765 (rs6000_generate_compare): Use IBM long double compare if not
10767 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10768 (TARGET_IEEEQUAD): Define.
10769 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10770 not TARGET_IEEEQUAD.
10771 * config/rs6000/rs6000.md: Enable TFmode patterns if
10773 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10774 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10775 and -mlong-double-128 are incompatible.
10776 * doc/invoke.texi (-mabi): Collect options together. Add
10777 ibmlongdouble and ieeelongdouble.
10779 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10781 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10783 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10784 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10785 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10786 * rtl.h (rtunion_def): Remove rt_ptr.
10788 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10789 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10790 * config/i386/winnt.c (i386_pe_mark_dllexport)
10791 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10793 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10795 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10797 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10801 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10802 pthread_key_delete. From John David Anglin. gthrw-ify
10803 pthread_getunique_np only if it it's not a macro. Delete
10805 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10806 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10807 __gthread_objc_condition_signal, __gthread_key_delete): Add
10808 "__attribute__ ((__unused__))" to unused arguments.
10809 (__gthread_recursive_mutex_init_function): Add missing return.
10810 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10811 gthr-posix95.h: Use macro-based approach for name redirection
10812 on targets missing weakref.
10814 2006-01-26 Zack Weinberg <zackw@panix.com>
10816 * genconditions.c (write_header): In generated code, #ifdef out
10817 all includes and fake declarations, except includes of bconfig.h
10818 and system.h, unless GCC_VERSION >= 3001. Do not include
10819 gensupport.h in any case.
10820 (write_conditions): Generate a definition of struct c_test. Add
10821 a comment to the generated #endif.
10822 (write_one_condition): Escape backslashes in string too.
10823 (write_writer): Generated code must escape backslashes and quote
10824 marks (but not newlines) in the strings it writes.
10825 * Makefile.in (build/gencondmd.o): Update dependencies.
10827 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10830 * Makefile.in (insn-automata.o): Add header file dependencies.
10831 * genautomata.c: Add includes.
10833 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10836 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10838 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10840 * configure.ac: Expect target tools paths to be passed from the toplevel
10841 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10843 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10845 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10848 * c.opt (Wpointer-sign): Init to -1.
10849 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10850 OPT_pedantic, to 0 otherwise.
10851 * doc/invoke.texi: Update.
10853 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10855 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10856 constants provided by 80387 instructions in the destination mode.
10858 2006-01-26 Richard Guenther <rguenther@suse.de>
10859 Andrew Pinski <pinskia@physics.uc.edu>
10862 partial PR tree-opt/17064
10863 * tree-ssa-structalias.c (intra_create_variable_infos):
10864 Create heap variables for incoming parameters if
10865 flag_argument_noalias > 1.
10866 (find_what_p_points_to): Look through default defs of
10869 2006-01-26 Jeff Law <law@redhat.com>
10872 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10873 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10874 within the VR_RANGE, use the VR_RANGE as the result, not the
10876 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10877 bounds for the type.
10879 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10881 * tree-ssa-alias.c (maybe_create_global_var): Change
10882 subvar walking to an assertion that we don't have subvar'd variables.
10884 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10887 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10888 Use a new variable, inner. PARM_DECLs are always non-weak.
10890 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10892 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10893 --disable-checking.
10895 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10897 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10899 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10901 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10902 (smax_insn, smin_insn, smax_0, smin_0): New.
10904 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10907 * config/cris/cris.c (cris_order_for_addsi3): New function.
10908 * config/cris/cris-protos.h: Prototype it.
10909 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10910 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10911 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10912 (split for "op.S1 [rx=rx+i],ry (swapped)")
10913 (split for "op(s|u).S1 [rx=rx+i],ry")
10914 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10915 Apply cris_order_for_addsi3 when generating addsi3 insns.
10917 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10919 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10920 (TREE_BLOCK): Add call to EXPR_CHECK.
10922 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10925 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10926 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10927 (dump_omp_clauses): ... here.
10928 (dump_generic_node): Handle OMP_CLAUSE.
10929 * tree.c (omp_clause_num_ops): New.
10930 (omp_clause_code_name): New.
10931 (tree_code_size): Handle OMP_CLAUSE.
10932 (tree_size): Likewise.
10933 (make_node): Document handling of OMP_CLAUSE.
10934 (tree_node_structure): Handle OMP_CLAUSE.
10935 (omp_clause_check_failed): New.
10936 (omp_clause_range_check_failed): New.
10937 (omp_clause_operand_check_failed): New.
10938 (build_omp_clause): New.
10939 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10940 * tree.h (enum omp_clause_code): Declare.
10941 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10942 (OMP_CLAUSE_RANGE_CHECK): Define.
10943 (OMP_CLAUSE_ELT_CHECK): Define.
10944 (omp_clause_check_failed): Declare.
10945 (omp_clause_operand_check_failed): Declare.
10946 (omp_clause_range_check_failed): Declare.
10947 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10948 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10949 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10950 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10951 (OMP_CLAUSE_IF_EXPR): Likewise.
10952 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10953 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10954 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10955 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10956 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10957 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10958 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10959 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10960 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10961 (OMP_CLAUSE_CODE): Define.
10962 (OMP_CLAUSE_SET_CODE): Define.
10963 (OMP_CLAUSE_CODE): Define.
10964 (OMP_CLAUSE_OPERAND): Define.
10965 (struct tree_omp_clause): Declare.
10966 (union tree_node): Add field 'omp_clause'.
10967 * treestruct.def (TS_OMP_CLAUSE): Define.
10968 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10969 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10970 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10971 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10972 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10973 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10974 (OMP_CLAUSE): Define.
10975 * print-tree.c (print_node): Handle OMP_CLAUSE.
10976 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10977 * c-typeck.c: Likewise.
10978 * gimplify.c: Likewise.
10979 * c-omp.c: Likewise.
10980 * tree-nested.c: Likewise.
10981 * tree-inline.c: Likewise.
10982 * c-parser.c: Likewise.
10983 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10986 2006-01-25 Roger Sayle <roger@eyesopen.com>
10988 PR rtl-optimization/25703
10989 * combine.c (try_combine): Handle zero_extract and strict_low_part
10990 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10992 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10994 * global.c: Fix comment typos.
10996 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10999 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11000 Use output_addr_const instead of assemble_name.
11002 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11004 * Makefile.in (sched-vis.o): Update dependencies.
11005 * haifa-sched.c (sched_finish): Clear current_sched_info.
11006 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11007 (dump_flow_info): Call it.
11008 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11010 * basic-block.h (dump_bb_info): Declare.
11011 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11012 option, and apply options only for dump files whose TDF_RTL,
11013 TDF_TREE, or TDF_IPA bits match.
11014 * rtl.h: Declare new functions exported from sched-vis.c.
11015 * sched-vis.c: Enable also if scheduling is not used.
11016 (print_value): Print the mode of registers if not inside scheduling.
11017 (print_insn): Make it work outside the scheduler. Beautify the output
11019 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11021 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11023 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11024 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11025 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11026 depending on the value of CONSTANT_POOL_ADDRESS_P.
11027 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11029 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11030 rather than SYMBOL_REF_DECL.
11031 (rtx_constant_pool): Remove const_rtx_sym_htab.
11032 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11033 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11034 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11035 Remove handling of const_rtx_sym_htab.
11036 (find_pool_constant): Delete.
11037 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11038 rather than find_pool_constant.
11039 (get_pool_constant_for_function): Delete.
11040 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11041 find_pool_constant.
11042 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11043 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11044 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11045 (SYMBOL_REF_CONSTANT): New macro.
11046 (get_pool_constant_for_function): Delete.
11047 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11048 rather than SYMBOL_REF_DECL.
11049 (i386_pe_mark_dllimport): Likewise.
11050 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11051 rather than SYMBOL_REF_DECL.
11052 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11053 (machopic_indirect_call_target): Likewise.
11055 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11057 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11059 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11061 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11063 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11065 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11067 2006-01-24 David Daney <ddaney@avtrex.com>
11070 * configure.ac (enable_tls): New enable option.
11071 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11072 * configure: Regenerate.
11073 * doc/install.texi (--enable-tls): Document new option.
11074 (--disable-tls): Ditto.
11076 2006-01-24 Richard Henderson <rth@redehat.com>
11078 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11079 * alias.c (true_dependence): Respect it.
11080 (canon_true_dependence, write_dependence_p): Likewise.
11081 * builtins.c (get_builtin_sync_mem): Set it.
11083 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11085 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11088 2006-01-24 DJ Delorie <dj@redhat.com>
11090 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11091 for storing constants in single-bit bitfields.
11093 2006-01-25 Ben Elliston <bje@au.ibm.com>
11095 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11097 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11100 * tree-ssa-pre.c (phi_translate): Return NULL
11101 for AGGREGATE_TYPE's.
11103 2006-01-24 Zack Weinberg <zackw@panix.com>
11105 * genautomata.c (process_state_for_insn_equiv_partition):
11106 Use xcalloc for insn_arcs_array.
11107 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11108 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11110 2006-01-24 Richard Henderson <rth@redhat.com>
11112 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11113 update all callers.
11115 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11117 PR rtl-optimization/25890
11118 PR rtl-optimization/25905
11119 * combine.c (expand_compound_operation, expand_field_assignment):
11120 Fail if the bitfield's final position is out of bounds.
11122 2006-01-24 Ian Lance Taylor <ian@airs.com>
11124 PR middle-end/25930
11125 * cgraphunit.c (cgraph_output_in_order): Don't clear
11126 cgraph_asm_nodes until after asm strings have been output.
11128 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11130 * fix-header.c (read_scan_file): Add new parameter imultilib when
11131 calling register_include_chains.
11133 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11135 * omp-low.c: Update documentation.
11137 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11138 Daniel Berlin <dberlin@dberlin.org>
11142 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11143 return from the function.
11145 2006-01-22 Zack Weinberg <zackw@panix.com>
11147 * rtl.def (match_code): Add second argument.
11148 * genpreds.c (write_extract_subexp): New function.
11149 (write_match_code): Add path argument. Use write_extract_subexp.
11150 (write_predicate_expr): Pass path to write_match_code.
11151 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11152 not perform a mode test.
11153 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11154 a subexpression does not constrain the top-level code set.
11155 * read-rtl.c (read_rtx_variadic): New function.
11156 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11157 * doc/md.texi: Document new notation.
11158 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11159 (cmpsi_operand): ... here, using new notation.
11161 2006-01-22 Zack Weinberg <zackw@panix.com>
11163 * varray.c: Remove GENERATOR_FILE #ifdefs.
11165 2006-01-22 Zack Weinberg <zackw@panix.com>
11167 * genautomata.c (output_reserved_units_table): Emit nothing if
11168 description->query_units_num is zero. Remove extra blank line.
11169 (output_cpu_unit_reservation_p): Short circuit
11170 if description->query_units_num is zero.
11172 2006-01-22 Zack Weinberg <zackw@panix.com>
11174 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11175 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11176 nor any of the random handful of variables that used to be necessary
11177 when this program was linked with rtlanal.o. Prune set of forward
11178 function declarations.
11179 (struct attr_desc): Remove static_p field.
11180 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11181 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11182 (attr_string): Do not read the character one past the length of
11184 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11185 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11186 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11187 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11188 (make_automaton_attrs): New.
11189 (main): Do not call into genautomata. Call local gen_bypass
11190 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11191 Remove special case for insn_alts.
11192 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11193 varray.h (leftover from previous change). Prune set of forward
11194 function declarations. Remove state_alts fields from all
11195 structures. Remove state_alts_table from struct automaton.
11196 Make everything except main static. Do not maintain num_dfa_decls.
11197 Do not maintain state_alts fields of various structures.
11198 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11199 (add_arc): Remove state_alts argument. All callers updated.
11200 (output_reserved_units_table): Emit #ifdef here...
11201 (output_tables): ...not here. Don't generate state_alts tables.
11202 (expand_automata): Don't generate attributes.
11203 (write_automata): Don't generate state_alts functions.
11204 (main): New function.
11205 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11206 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11207 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11208 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11209 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11210 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11211 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11212 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11214 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11215 * genattrtab.h: Delete file.
11216 * Makefile.in (OBJS-common): Add insn-automata.o.
11217 (insn-automata.o): New rule.
11218 (simple_generated_c): Add insn-automata.c.
11219 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11220 (genprogmd): Add automata.
11221 (build/genattrtab): Needs no extra objects nor libraries.
11222 (build/genautomata): Needs build/vec.o and -lm.
11224 2006-01-22 Zack Weinberg <zackw@panix.com>
11226 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11227 (output_dfa_max_issue_rate, locked_states_num): Delete.
11228 (struct automaton): Add locked_states field.
11229 (output_dead_lock_vect): Save number of locked states in
11230 automaton->locked_states. If it is zero, don't print anything.
11231 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11232 (output_internal_dead_lock_func): Only test the dead_lock_vect
11233 for automata that have locked states.
11234 (output_statistics): Always print the number of locked states for
11235 each automaton. Calculate total number of locked states here.
11236 (write_automata): Don't call output_dfa_max_issue_rate.
11237 * genattrtab.c: Define length_unit_log as a const variable.
11238 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11239 max_insn_queue_index const.
11240 * final.c (length_unit_log): Declare const.
11241 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11243 2006-01-22 Zack Weinberg <zackw@panix.com>
11245 * genautomata.c: Include vec.h, not varray.h.
11246 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11247 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11248 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11249 VEC_* macros operating on appropriately typed vectors, or to
11250 malloced arrays when the size is known in advance. Const-ify
11251 many char* variables and function arguments. No functional changes.
11252 * Makefile.in (build/varray.o): Delete rule.
11253 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11254 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11256 2006-01-22 Zack Weinberg <zackw@panix.com>
11258 * gensupport.c: Define get_insn_name and record_insn_name here.
11259 (read_md_rtx): Call record_insn_name as appropriate.
11260 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11261 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11262 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11264 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11265 (BUILD_VARRAY): Delete.
11266 (genprognormal): Rename genprogmd. Fold in all programs from
11267 genprognoprint; also attrtab.
11268 (build/genattrtab): Just mention genautomata.o and varray.o.
11269 Reorganize a bit, add comments to make the categories clearer.
11271 2006-01-22 Zack Weinberg <zackw@panix.com>
11273 * genconditions.c (condition_table, add_condition): Delete.
11274 (write_conditions): Don't emit n_insn_conditions nor
11275 insn_elision_unavailable. Issue the gcc version #ifdef here,
11276 inside the table, with no #else clause ...
11277 (write_header): ...not here.
11278 (write_writer): New function.
11279 (main): Don't initialize condition_table. Use add_c_test.
11281 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11282 files on the command line.
11283 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11284 Return -1 if there is no entry in the table, don't abort.
11285 (add_c_test, traverse_c_tests): New functions.
11286 * gensupport.h (insn_elision_unavailable, insn_conditions)
11287 (n_insn_conditions): Delete declarations.
11288 (add_c_test, traverse_c_tests): Declare.
11289 * read-rtl.c: Include gensupport.h.
11290 (read_conditions): New function.
11291 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11292 (read_rtx_1): If we get EOF when we were looking for an initial
11293 open paren, return 0. Call read_conditions when appropriate.
11294 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11295 dummy-conditions.o. Eliminate references to insn-conditions.o,
11296 or change them to build/gencondmd.o, as appropriate. Remove
11297 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11298 from $(simple_generated_c). For all files remaining in those
11299 two lists, add insn-conditions.md to the generator command line.
11300 Give insn-constants.h/s-constants their own rules. Add rules
11301 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11302 (build/read-rtl.o): Depend on gensupport.h.
11303 (genprognormal): Include preds.
11304 (genprogearly): Rename genprognoprint; only difference is now that
11305 they don't link with $(BUILD_PRINT).
11306 * dummy-conditions.c: Delete.
11308 2006-01-22 Zack Weinberg <zackw@panix.com>
11310 * genextract.c: Don't include insn-config.h. Do include vec.h.
11311 Declare vectors of int, char, and locstr.
11312 (locstr): New typedef.
11313 (struct extraction): Make all array fields into bare pointers.
11314 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11315 (insn_code_number): Delete.
11316 (accum_extract): New struct.
11317 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11318 (gen_insn): Take insn_code_number as an argument. Use an
11319 accum_extract structure instead of loading data directly into
11320 a struct extraction, and having to know how big it might get.
11321 (walk_rtx): Operate entirely on an accum_extract structure.
11322 (print_path): Avoid unnecessary use of printf.
11323 (print_header): New function, split out of main. Distinguish
11324 more carefully between an unrecognizable insn and an insn that
11325 has the code number of a define_expand.
11326 (main): Pass insn_code_number to gen_insn. Call print_header
11327 only after parsing. Avoid unnecessary use of printf.
11328 * Makefile.in (build/vec.o): New rule.
11329 (build/genextract): Depend on build/vec.o.
11330 (build/genextract.o): Don't depend on insn-config.h.
11332 2006-01-22 Zack Weinberg <zackw@panix.com>
11334 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11335 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11336 practical. Eliminate per-generator-program link rules.
11338 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11340 PR middle-end/24437
11341 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11342 with a call expr to ...
11343 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11345 2006-01-23 Richard Guenther <rguenther@suse.de>
11347 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11348 before make_edge with conditional EDGE_TRUE_VALUE.
11350 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11351 Jan Hubicka <jh@suse.cz>
11352 Richard Guenther <rguenther@suse.de>
11354 PR rtl-optimization/25654
11355 * cfgexpand.c (aggregate_contains_union_type): New function.
11356 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11357 for structure variables that contain a union type.
11359 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11361 * gengtype.c (new_structure): Return the structure.
11362 (create_option): Add an extra "next" argument.
11363 (create_field): New function.
11364 (adjust_field_rtx_def): Use create_option and create_field.
11365 Remove a now-unnecessary call to find_structure.
11366 (adjust_field_tree_def): Likewise.
11367 (note_yacc_type): Remove an unnecessary call to find_structure.
11368 * gengtype.h (new_structure): Return the structure.
11369 (create_option): Add an extra argument.
11370 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11371 (option): Adjust calls to create_option.
11373 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11375 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11377 2006-01-22 Paul Brook <paul@codesourcery.com>
11378 Peter Barada <peter@the-baradas.com>
11380 * config/m68k/m68k.md: Add Coldfire FPU support.
11381 Define FP mode macro and associated attributes.
11382 Use it for float mode patterns.
11383 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11384 (LIBCALL_VALUE): Use m68k_libcall_value.
11385 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11386 (m68k_function_value): Ditto.
11387 (emit_move_sequence): Ditto.
11388 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11389 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11390 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11391 (MULTILIB_EXCEPTIONS): Ditto.
11392 * config/m68k/m68k.opt: Add mcfv4e.
11393 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11394 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11395 (m68k_output_function_prologue): Save ColdFire FPU registers.
11396 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11397 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11398 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11399 ColdFire FPU registers.
11400 (m68k_libcall_value, m68k_function_value): New functions.
11401 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11402 (LIBCALL_VALUE): Use m68k_libcall_value.
11403 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11404 (MASK_COLDFIRE): Add MASK_CFV4E.
11405 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11406 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11407 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11408 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11409 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11410 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11411 * doc/invoke.tex: Document -mcfv4e on m68k.
11413 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11415 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11418 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11421 * c-opts.c (c_common_handle_option): Don't include
11422 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11423 * doc/invoke.texi (C++ Dialect Options): Document that
11424 -Wnon-virtual-dtor is no longer included in -Wall.
11426 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11428 * gcov.c (print_version), gcov-dump.c (print_version),
11429 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11432 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11434 * df-scan.c (problem_SCAN): Added NULL reset function.
11435 (df_scan_reset_blocks): Added code to call reset block function
11436 (df_bb_refs_delete) Fixed comment.
11437 (df_insn_refs_delete): Made tolerant of deleting non existent info
11438 for dataflow problems that need to be reset.
11439 * df-core.c (df_set_blocks): Ditto.
11440 * df.h (struct df_problem): Added reset_fun.
11441 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11442 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11443 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11444 functions to clear out all references to def-use or use-def chains.
11446 2006-01-21 Ben Elliston <bje@au.ibm.com>
11448 * varasm.c (assemble_real): Initialise data array.
11450 2006-01-20 Paul Brook <paul@codesourcery.com>
11452 Merge from csl-arm-branch.
11453 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11454 * config/arm/arm.md (movdi): Force operands[1] to a register
11455 if we have a non-register source.
11456 (*arm_movdi, *movdf_soft_insn): Require that one of the
11457 operands be a register.
11458 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11459 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11461 2006-01-20 DJ Delorie <dj@redhat.com>
11463 * varasm.c (initializer_constant_valid_p): Allow pointers
11464 initialized from integer constants of lesser precision.
11465 (output_constant): Allow non-int-sized pointer modes to be
11466 initialized from integer constants.
11468 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11471 * cppdefault.h (struct default_include): Add multilib flag.
11472 * cppdefault.c (cpp_include_defaults): Set it.
11473 * c.opt (-imultilib): New option.
11474 * c-opts.c (imultilib): New.
11475 (c_common_handle_option): Handle -imultilib.
11476 (c_common_post_options): Likewise.
11477 * c-incpath.c (add_standard_paths, register_include_chains):
11479 * c-incpath.h (register_include_chains): Add extra parameter.
11480 * gcc.c (do_spec_1): Generate -imultilib option.
11481 (The Specs Language): Update %I description.
11482 (process_command): Update copyright notice.
11483 * doc/cppopts.texi (-imultilib): Document.
11484 * doc/invoke.texi (-imultilib): Include in option summary.
11485 (%I): Update specs documentation.
11487 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11489 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11491 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11493 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11496 2006-01-20 Richard Guenther <rguenther@suse.de>
11497 Steven Bosscher <stevenb.gcc@gmail.com>
11499 PR rtl-optimization/24626
11500 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11501 EDGE_TRUE_VALUE if in RTL mode.
11504 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11505 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11507 2006-01-20 Dirk Mueller <dmueller@suse.com>
11510 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11511 instead of a special NOP marker.
11512 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11513 NOP marker handling.
11514 * c-common.h (empty_body_warning): Add forward declaration.
11515 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11516 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11518 2006-01-20 Paul Brook <paul@codesourcery.com>
11520 * Makefile.in (lang_checks): Keep going if mkdir fails.
11522 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11524 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11525 be able to clean out basic block when not necessary.
11526 (df_scan_free): Fixed to properly delete information if df is
11527 unused before calling df_finish.
11528 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11529 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11531 (df_bb_refs_delete): New function.
11532 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11533 * df-core.c (df_set_blocks): Added code to properly clean out
11534 unused blocks if they are not part of the blocks to consider.
11535 Added additional null check.
11536 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11537 be able to clean out basic block when not necessary
11538 * df.h (df_free_bb_function): Ditto.
11539 (df_bb_refs_delete): New function.
11540 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11541 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11542 basic block parameter to be able to clean out basic block when not
11544 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11545 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11546 Fixed to properly delete information if df is unused before
11549 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11551 PR rtl-optimization/25799
11552 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11553 Corrected confluence operator to remove bits from op2 before oring
11554 with op1 rather than removing bits from op1.
11555 (df_ru_transfer_function): Corrected test on wrong bitmap which
11556 caused infinite loop. Both of these problems were introduced in
11557 the dataflow rewrite.
11559 2006-01-19 DJ Delorie <dj@redhat.com>
11561 * reload1.c (find_reload_regs): Note the details of reload
11562 failures in the dump file.
11563 (spill_failure): Likewise.
11565 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11567 * loop-iv.c: Include df.h and hashtab.h.
11568 (enum iv_grd_result): New enum.
11569 (DF_REF_IV, DF_REF_IV_SET): New macros.
11570 (struct biv_entry): New.
11571 (df, bivs): New global variables.
11572 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11573 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11575 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11576 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11577 analyzed_for_bivness_p, record_biv): New functions.
11578 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11579 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11580 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11582 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11584 (iv_number_of_iterations): Use new interface to iv analysis.
11585 * loop-unroll.c: Do not include varray.h.
11586 (analyze_iv_to_split_insn): Use new interface to iv
11588 * loop-unswitch.c (may_unswitch_on): Ditto.
11589 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11591 (df_bb_modify): Realloc tables to the new index.
11592 (df_find_use): New function.
11593 * df.h (df_find_use): Declare.
11594 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11596 * cfgloop.h (struct rtx_iv): Remove analysed field.
11597 (iv_get_reaching_def): Removed.
11598 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11599 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11600 (loop-iv.o): Add df.h and hashtab.h dependency.
11601 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11603 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11606 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11608 (__floatundisf, __floatundidf): Likewise.
11609 * libgcc2.h (IS_IBM_EXTENDED): Define.
11611 2006-01-19 DJ Delorie <dj@redhat.com>
11613 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11615 2006-01-19 Paul Brook <paul@codesourcery.com>
11617 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11618 as nothrow when unwinding tables are disabled.
11620 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11623 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11624 of bit-field" when in system header.
11626 2006-01-19 DJ Delorie <dj@redhat.com>
11628 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11629 the 16 bit shift limit of the m16c.
11631 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11634 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11635 * config/i386/i386.c (output_set_got): Output the label if we have one
11636 for the TARGET_DEEP_BRANCH_PREDICTION case.
11638 2006-01-19 Jan Hubicka <jh@suse.cz>
11639 H.J. Lu <hongjiu.lu@intel.com>
11640 Evandro Menezes <evandro.menezes@amd.com>
11642 * invoke.texi (generic): Document
11644 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11645 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11646 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11647 (x86_use_incdec, x86_pad_returns): New variables
11648 (TARGET_CPU_DEFAULT_generic): New constant
11649 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11650 (enum processor_type): Add generic32 and generic64.
11651 * i386.md (cpu attribute): Add generic32/generic64
11652 (movhi splitter): Behave sanely when both partial_reg_dependency and
11653 partial_reg_stall are set.
11654 (K8 splitters): Enable for generic as well.
11655 * predicates.md (incdec_operand): Use TARGET_INCDEC
11656 (aligned_operand): Avoid memory mismatch stalls.
11657 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11658 * ppro.md: Enable for generic32
11659 * i386.c (generic64_cost, generic32_cost): New.
11660 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11661 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11662 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11663 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11664 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11665 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11666 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11667 x86_accumulate_outgoing_args, x86_prologue_using_move,
11668 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11669 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11670 Enable for generic.
11671 (x86_use_incdec, x86_pad_returns): New.
11672 (override_options): Add generic32 and generic64, translate "generic"
11673 to generic32/generic64 and "i686" to "generic32", refuse
11674 "generic32"/"generic64" as arch target.
11675 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11676 (ix86_reorg): Honor PAD_RETURNS.
11678 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11680 * tree-pretty-print.c (dump_generic_node): Handle
11681 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11682 * cgraph.c (cgraph_expand_queue): Rename from
11683 cgraph_analyze_queue. Update all users.
11684 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11685 cgraph_expand_queue.
11686 (cgraph_expand_all_functions): Likewise.
11687 (cgraph_finalize_pending_functions): Remove. Update callers.
11689 * tree.h (OMP_DIRECTIVE_P): Define.
11690 (OMP_PARALLEL_FN): Define.
11691 (OMP_PARALLEL_DATA_ARG): Define.
11692 (OMP_SECTIONS_SECTIONS): Define.
11693 * tree-pass.h (pass_expand_omp): Declare.
11694 * omp-low.c (struct omp_region): Declare.
11695 (struct omp_context): Remove fields 'parallel_type',
11696 'parallel_start_ix' and 'parallel_start_additional_args'.
11698 (struct omp_for_data): Rename from struct expand_omp_for_data.
11699 (omp_regions): New static variable.
11700 (root_omp_region): New static variable.
11701 (find_omp_clause): Make static.
11702 (is_in_combined_parallel_ctx): Remove.
11703 (is_combined_parallel): New.
11704 (extract_omp_for_data): Move earlier in the file.
11705 (workshare_safe_to_combine_p): New.
11706 (get_ws_args_for): New.
11707 (determine_parallel_type): Move earlier in the file.
11708 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11710 (omp_copy_decl): Likewise.
11711 (create_omp_child_function): Likewise.
11712 (lookup_omp_region): New.
11713 (dump_omp_region): New.
11714 (debug_omp_region): New.
11715 (debug_all_omp_regions): New.
11716 (new_omp_region): New.
11717 (scan_omp_parallel): If parallel_nesting_level > 1, the
11718 directive is nested within another parallel directive.
11719 Set OMP_PARALLEL_FN.
11720 (scan_omp_for): Do not try to handle combined parallel+for
11722 Remove FIXME comment.
11723 (scan_omp_nested): Remove.
11724 (scan_omp_1): Do not call scan_omp_nested when
11725 parallel_nesting_level is > 1.
11726 Do not change the DECL_CONTEXT of local variables found.
11727 (lookup_decl_in_outer_ctx): New.
11728 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11729 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11730 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11731 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11732 If CTX is nested, lookup VAR in the outer context when
11733 building copy assignment.
11734 (lower_send_clauses): Rename from expand_send_clauses.
11735 If CTX is nested, lookup VAR in the outer context when
11736 building copy assignments.
11737 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11738 If CTX is nested, lookup VAR in the outer context when
11739 building copy assignments.
11740 (expand_parallel_call): Rename from build_parallel_call.
11741 Handle combined parallel+workshare cases.
11742 Re-implement to emit code into the CFG.
11744 (expand_omp_parallel): Re-implement to emit code into the CFG.
11745 Call move_sese_region_to_fn to outline the sub-graph
11746 containing the parallel region.
11747 (expand_omp_for_1): Remove.
11748 (expand_omp_for_generic): Re-implement to emit code into the
11750 (expand_omp_for_static_nochunk): Likewise.
11751 (expand_omp_for_static_chunk): Likewise.
11752 (expand_omp_for): Likewise.
11753 (expand_omp_sections): Likewise.
11754 (remove_exit_barriers): New.
11755 (expand_omp_synch): New.
11757 (build_omp_regions_1): New.
11758 (build_omp_regions): New.
11759 (execute_expand_omp): New.
11760 (gate_expand_omp): New.
11761 (pass_expand_omp): Define.
11762 (lower_omp_sections): Rename from expand_omp_sections.
11763 Set OMP_SECTIONS_SECTIONS.
11764 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11765 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11766 (lower_omp_single): Rename from expand_omp_simple.
11767 (lower_omp_master): Rename from expand_omp_master.
11768 (lower_omp_ordered): Rename from expand_omp_ordered.
11769 (lower_omp_critical): Rename from expand_omp_critical.
11770 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11771 (lower_omp_for): Re-implement.
11772 (lower_omp_parallel): Re-implement.
11773 (lower_regimplify): Rename from expand_regimplify.
11774 (lower_omp_1): Rename from expand_omp_1.
11775 If there are syntax errors in the program, replace every
11776 OpenMP directive with NOP.
11777 Call lower_omp_* instead of expand_omp_*.
11778 (lower_omp): Rename from expand_omp.
11780 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11781 * tree-gimple.h (enum omp_parallel_type): Remove.
11782 (gimple_boolify): Declare extern.
11783 (find_omp_clause, determine_parallel_type): Remove.
11785 * gimple-low.c (lower_omp_directive): New.
11786 (lower_stmt): Call it.
11787 (record_vars_into): Move from ...
11788 (record_vars): ... here.
11789 Call record_vars_into with current_function_decl.
11791 * gimplify.c (struct gimplify_ctx): Remove fields
11792 combined_pre_p and combined_ctxp. Update users.
11793 (get_formal_tmp_var): Add documentation.
11794 (gimple_boolify): Make extern.
11795 (gimplify_expr_in_ctx): Remove. Update callers.
11796 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11797 will always be a BIND_EXPR.
11798 (gimplify_expr): Handle OMP_RETURN_EXPR.
11799 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11800 (OMP_PARALLEL): Add 3 operands.
11801 (OMP_SECTIONS): Add 1 operand.
11802 (OMP_RETURN_EXPR): Define.
11804 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11805 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11806 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11807 creating a circular free list.
11808 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11810 * tree-flow.h (move_sese_region_to_fn): Declare.
11811 (record_vars_into): Declare.
11812 * tree-cfg.c (make_omp_sections_edges): New.
11813 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11814 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11815 OMP_SECTIONS and OMP_SECTION.
11816 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11817 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11818 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11819 (gather_blocks_in_sese_region): New.
11820 (struct move_stmt_d): Declare.
11821 (move_stmt_r): New.
11822 (move_block_to_fn): New.
11823 (move_sese_region_to_fn): New.
11825 * passes.c (init_optimization_passes): Schedule
11826 pass_expand_omp after pass_init_datastructures.
11828 * tree-ssa-operands.c (get_expr_operands): Handle
11829 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11830 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11832 2006-01-19 Jeff Law <law@redhat.com>
11834 * tree-vrp.c (extract_range_from_assert): Refine the result range
11835 if the variable referenced by the ASSERT_EXPR has a range and
11836 either the tentative result range or the previous range is a
11839 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11841 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11843 2006-01-19 Jan Hubicka <jh@suse.cz>
11845 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11847 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11849 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11850 (expand_compound_operation, expand_field_assignment): Fail if the
11851 bit lengths of an extract operation are out of range.
11852 (make_extraction): Compute wanted_inner_mode based on the position
11853 and length of the extraction. Make it extraction_mode for non-constant
11854 positions, and do not modify offset in that case. When generating a
11855 new MEM, use a mode that can hold the extraction while keeping correct
11856 alignment. Remove code that supported MEMs wrapped by USEs.
11857 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11859 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11861 * config/s390/s390.md ("Y", "y"): New mode attribute.
11862 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11863 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11864 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11865 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11866 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11867 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11868 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11869 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11870 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11871 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11872 "addsi3", "subsi3"): Insn patterns removed.
11873 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11874 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11875 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11876 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11877 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11878 "*sub<mode>3_cconly2"): New insn patterns.
11879 ("addsi3", "subsi3"): New expanders.
11881 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11883 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11884 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11885 existing STMT_VINFO_VECTYPE if available.
11886 (vect_mark_relevant): Add special handling for stmts that are
11887 marked as STMT_VINFO_IN_PATTERN_P.
11888 (vect_analyze_loop): Call vect_pattern_recog.
11889 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11890 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11892 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11893 (vect_recog_func_ptr): New function-pointer type.
11894 * tree-vect-patterns.c: New file.
11895 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11896 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11897 (vect_pattern_recog_1): New functions.
11898 (vect_pattern_recog_funcs): New array of function pointers.
11900 * tree-vectorizer.h (ternary_op): New enum value.
11901 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11902 declaration. Revised documentation. Removed redundant dump prints.
11903 Removed redundant argument. Added support for reduction patterns.
11904 (vectorizable_reduction): Added support for reduction patterns.
11905 (vect_transform_stmt): Added support for patterns.
11907 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11908 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11909 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11910 (expand_widen_pattern_expr): New function.
11911 (init_optabs): Initialize new optabs udot_prod_optab,
11913 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11914 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11915 (expand_widen_pattern_expr): New function declaration.
11916 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11918 * tree-inline.c (estimate_num_insns_1): Added cases for new
11919 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11920 * tree-pretty-print.c (dump_generic_node): Likewise.
11921 (op_prio): Likewise.
11922 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11923 * tree-ssa-operands.c (get_expr_operands): Added case for
11925 * tree-vect-patterns.c (widened_name_p): New function.
11926 (vect_recog_dot_prod_pattern): Added function implementation.
11927 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11928 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11929 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11930 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11932 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11933 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11934 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11935 (init_optabs): Initialize new optabs widen_ssum_optab,
11937 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11938 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11939 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11940 use instead of type of def.
11941 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11942 function implementation.
11943 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11944 widen_ssumv8hi): New.
11946 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11949 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11952 * c-decl.c (add_flexible_array_elts_to_size): New function.
11953 (finish_decl): Use it.
11955 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11957 * diagnostic.h: Include options.h.
11958 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11959 dependancies for diagnostic.h.
11960 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11962 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11964 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11965 (ssa_ro_call_cache_valid): Ditto.
11966 * tree-ssa-alias.c (sort_tags_by_id): New function.
11967 (init_transitive_clobber_worklist): Ditto.
11968 (add_to_worklist): Ditto.
11969 (mark_aliases_call_clobbered): Ditto.
11970 (compute_tag_properties): Ditto.
11971 (set_initial_properties): Ditto.
11972 (compute_call_clobbered): Ditto.
11973 (compute_may_aliases): Call compute_call_clobbered and grouping.
11974 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11975 (compute_flow_insensitive_aliasing): Grouping now happens in our
11977 (setup_pointers_and_addressables): Remove clobbering related code.
11978 (add_may_alias): Ditto.
11979 (replace_may_alias): Ditto.
11980 (get_nmt_for): Ditto.
11981 (create_global_var):
11982 (is_escape_site): Return an escape_type enumeration.
11983 * tree-flow-inline.h (is_call_clobbered): Global var does not
11984 imply call clobbered.
11985 (mark_call_clobbered): Take a reason for marking this. Remove
11986 marking of globalness, and cache invalidation.
11987 (clear_call_clobbered): Remove cache invalidation code.
11988 * tree-dfa.c (dump_variable): If details is on, dump the reason
11990 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11992 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11993 (struct var_ann_d): Ditto.
11994 (enum escape_type): New.
11995 (mark_call_clobbered): Adjust prototype.
11996 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11997 are never call clobbered.
11998 Record reasons for escaping.
11999 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12000 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12001 (ssa_ro_call_cache_valid): Ditto.
12002 (clobbered_v_may_defs): Ditto.
12003 (clobbered_vuses): Ditto.
12004 (ro_call_vuses): Ditto.
12005 (clobber_stats): New.
12006 (init_ssa_operands): Zero out clobber stats.
12007 (fini_ssa_operands): Print out clobber stats.
12008 (get_call_expr_operands): Pass callee fndecl to
12009 add_call_read_ops).
12010 (add_call_clobber_ops): Remove use of cache.
12011 Add use of PURE_CONST information.
12012 (add_call_read_ops): Remove use of cache.
12013 Add use of static not_read information.
12015 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12017 Introduce TLS descriptors for i386 and x86_64.
12018 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12019 (TARGET_ANY_GNU_TLS): New macro.
12020 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12021 (struct machine_function): Add tls_descriptor_call_expanded_p.
12022 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12023 (ix86_current_function_calls_tls_descriptor): Likewise.
12024 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12025 (override_options): Introduce gnu2 tls dialect.
12026 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12028 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12030 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12031 (ix86_init_machine_status): Initialize new field.
12032 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12033 (ix86_tls_module_base): New.
12034 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12035 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12036 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12037 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12038 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12039 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12040 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12041 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12042 * config/i386/predicates.md (tls_modbase_operand): New.
12043 (tp_or_register_operand): New.
12045 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12047 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12048 (look_for_address_of): Ditto.
12049 (ipa_init): Walk the function decls.
12050 (static_execute): Don't set readonly on FUNCTION_DECL's.
12052 2006-01-18 Roger Sayle <roger@eyesopen.com>
12054 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12055 for shifts where the source and destination registers are different.
12057 2006-01-18 Paul Brook <paul@codesourcery.com>
12059 Merge from csl-arm-branch.
12060 2005-03-14 Julian Brown <julian@codesourcery.com>
12061 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12062 (aeabi_llsl): Likewise.
12063 (ashrdi3): Likewise.
12064 (aeabi_lasr): Likewise.
12065 (lshrdi3): Likewise.
12066 (aeabi_llsr): Likewise.
12067 2005-03-10 Julian Brown <julian@codesourcery.com>
12068 * config.gcc: Disable shared libgcc for SymbianOS.
12069 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12071 2006-01-18 DJ Delorie <dj@redhat.com>
12073 * c-pragma.c (handle_pragma_diagnostic): New.
12074 (init_pragma): Register it.
12075 * doc/extend.texi: Document it.
12077 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12078 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12079 (diagnostic_context): Add classify_diagnostic[].
12080 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12081 as errors if they're overridden to DK_WARNING.
12082 (diagnostic_initialize): Initialize classify_diagnostic[].
12083 (diagnostic_set_kind_override): New.
12084 (diagnostic_report_diagnostic): Check for kind changes.
12085 * opts.c (common_handle_option): Take lang_mask. Update callers.
12086 Handle OPT_Werror_.
12087 * common.opt (Werror=): New.
12088 * doc/invoke.texi: Document -Werror=*
12090 2006-01-18 Jeff Law <law@redhat.com>
12092 * tree-vrp.c (test_for_singularity): Correct test for new
12093 min limit. Use operand_equal_p rather than pointer equality
12094 for testing if new min/max values are equal.
12096 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12097 using range information until after propagation and folding.
12099 2006-01-18 Richard Henderson <rth@redhat.com>
12100 Aldy Hernandez <aldyh@redhat.com>
12101 Jakub Jelinek <jakub@redhat.com>
12102 Diego Novillo <dnovillo@redhat.com>
12104 * omp-low.c: New file.
12105 * c-omp.c: New file.
12107 2006-01-18 Richard Henderson <rth@redhat.com>
12108 Jakub Jelinek <jakub@redhat.com>
12109 Diego Novillo <dnovillo@redhat.com>
12111 * doc/invoke.texi: Document -fopenmp.
12112 * tree-dump.h (debug_function): Declare.
12113 * hooks.c (hook_bool_tree_bool_false): New function.
12114 (hook_tree_tree_null): Remove.
12115 (hook_tree_tree_tree_null): New.
12116 * hooks.h: Update to match.
12117 * tree-pretty-print.c (debug_tree_chain): New.
12118 (print_generic_expr): Handle TDF_CHAIN.
12119 (dump_generic_node): Handle BLOCK.
12120 Do not abort with incomplete SWITCH_EXPRs.
12121 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12122 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12123 print space after directive name.
12124 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12125 Handle OMP_MASTER and OMP_ORDERED.
12126 Handle printing of OMP_BODY just in one place, goto
12127 dump_omp_body in the rest of OMP_* nodes that have
12129 Don't handle clause nodes here. Update omp statements to
12130 use dump_omp_clauses.
12131 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12132 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12133 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12134 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12135 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12136 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12137 Adjust output for GOMP_PARALLEL.
12138 (dump_omp_clauses): New.
12139 (print_declaration): Dump DECL_VALUE_EXPR.
12140 (op_symbol_1): Split out of op_symbol.
12141 (dumping_stmts): Remove. Update all users.
12142 * cgraph.c (cgraph_analyze_queue): New.
12143 (cgraph_add_new_function): New.
12144 * cgraph.h (cgraph_analyze_queue): Declare.
12145 (cgraph_add_new_function): Declare.
12146 (cgraph_lower_function): Remove.
12147 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12148 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12149 and TYPE_P nodes in its default clause.
12150 (empty_body_p): New.
12151 (tree_range_check_failed): New.
12152 (build5_stat): New.
12153 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12154 OMP_CLAUSE_REDUCTION_MERGE,
12155 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12156 OMP_CLAUSE_PRIVATE_DEBUG,
12157 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12158 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12159 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12160 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12161 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12162 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12163 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12164 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12165 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12166 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12167 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12168 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12169 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12170 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12171 (TREE_RANGE_CHECK): New.
12172 (empty_body_p): Declare.
12173 (enum omp_clause_default_kind): New.
12174 (build_string_literal): Declare.
12175 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12176 (build5_stat, build5): Declare.
12177 * tree-pass.h (TDF_CHAIN): Define.
12178 * tree-pass.h (PROP_gimple_lomp): Define.
12179 (pass_lower_omp): Declare.
12180 * diagnostic.h (debug_tree_chain): Declare.
12181 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12183 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12184 * builtins.c (build_string_literal): Make extern.
12185 * gcc.c (include_spec_function): New.
12186 (static_spec_functions): Add it.
12187 (main): Move load of libgomp.spec ...
12188 (LINK_COMMAND_SPEC): ... here.
12189 (link_gomp_spec): New.
12190 (static_specs): Include it.
12191 (LINK_COMMAND_SPEC): Add link_gomp.
12192 (GOMP_SELF_SPECS): New.
12193 (driver_self_specs): Include it.
12194 (switch_matches): Don't mark inline.
12195 (main): Load libgomp.spec.
12196 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12197 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12198 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12199 * tree-gimple.h (enum omp_parallel): Declare.
12200 (determine_parallel_type): Declare.
12201 (omp_firstprivatize_variable): Declare.
12202 (omp_reduction_init): Declare.
12203 (diagnose_omp_structured_block_errors): Declare.
12204 (struct walk_stmt_info): Add want_return_expr.
12205 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12206 (find_omp_clause): Declare.
12207 (insert_field_into_struct): Declare.
12208 (struct walk_stmt_info): Move from tree-nested.c
12209 (walk_stmts): Declare.
12210 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12212 * cgraphunit.c (cgraph_lower_function): Make static.
12213 (cgraph_finalize_pending_functions): New.
12214 (cgraph_finalize_function): Call it.
12215 (cgraph_finalize_compilation_unit): Likewise.
12216 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12217 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12218 (BT_FN_UINT_UINT): New.
12219 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12220 DEF_FUNCTION_TYPE_VAR_4): Document.
12221 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12222 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12223 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12224 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12225 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12226 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12227 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12228 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12229 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12230 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12231 into separate files.
12232 (DEF_GOMP_BUILTIN): New.
12233 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12234 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12235 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12236 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12237 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12238 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12239 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12240 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12241 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12242 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12243 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12244 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12245 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12246 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12247 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12248 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12249 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12250 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12251 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12252 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12253 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12254 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12255 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12256 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12257 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12258 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12259 * sync-builtins.def: New file, moved from builtins.def.
12260 * omp-builtins.def: New file, moved from builtins.def.
12261 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12262 * gimple-low.c (lower_function_body): Clear data.
12263 (lower_stmt): Do not handle COMPOUND_EXPR.
12264 Remove call to print_node_brief.
12265 * c-tree.h (c_finish_omp_clauses): New prototype.
12266 (C_DECL_THREADPRIVATE_P): Define.
12267 (lookup_name_no_remap, c_omp_remap_private): Remove
12268 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12269 (check_for_loop_decls): Update decl.
12270 (lookup_name_no_remap, c_omp_remap_private): Declare.
12271 (build_indirect_ref, build_modify_expr, pushdecl,
12272 pushdecl_top_level): Move to c-common.h.
12273 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12274 before the switch, but just in the 2 places that need it.
12275 * c-decl.c (diagnose_mismatched_decls): Do not check for
12276 mismatched thread-local attributes when OLDDECL is marked
12277 threadprivate and NEWDECL has no thread-local attributes.
12278 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12279 (c_gimple_diagnostics_recursively): Rename from
12280 c_warn_unused_result_recursively. Invoke
12281 diagnose_omp_structured_block_errors.
12282 (check_for_loop_decls): Return a singular decl found.
12283 * langhooks.c (lhd_omp_predetermined_sharing): Return
12284 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12285 (lhd_omp_firstprivatize_type_sizes): New.
12286 (lhd_omp_assignment): New.
12287 (lhd_omp_predetermined_sharing): New.
12288 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12289 (struct lang_hooks_for_types): Add
12290 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12291 omp_predetermined_sharing, omp_disregard_value_expr,
12292 omp_private_debug_clause, omp_clause_default_ctor,
12293 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12294 (c_finish_omp_clauses): New.
12295 (c_finish_bc_stmt): Diagnose break within omp for.
12296 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12297 (build_unary_op): Return error_mark after reporting
12299 (build_modify_expr): Likewise.
12300 * gimplify.c: Include optabs.h and pointer-set.h.
12301 (enum gimplify_omp_var_data): Declare.
12302 (struct gimplify_omp_ctx): Declare.
12303 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12305 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12306 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12307 (splay_tree_compare_decl_uid): New.
12308 (new_omp_context): New.
12309 (delete_omp_context): New.
12310 (gimple_add_tmp_var): Call omp_add_variable.
12311 (gimplify_bind_expr): Likewise.
12312 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12313 true, disregard DECL_VALUE_EXPR on the decl if any.
12314 (gimplify_expr_in_ctx): New.
12315 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12316 omp_add_variable, omp_notice_variable, omp_is_private
12317 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12318 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12319 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12320 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12321 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12322 gimplify_omp_atomic): New.
12323 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12324 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12325 OMP_CRITICAL and OMP_ATOMIC.
12326 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12327 * c-pragma.h (enum pragma_kind): Add
12328 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12329 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12330 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12331 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12332 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12333 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12334 PRAGMA_OMP_THREADPRIVATE.
12335 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12336 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12337 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12338 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12339 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12340 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12341 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12342 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12343 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12344 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12345 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12346 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12347 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12349 (struct nesting_info): Add field_map,
12350 suppress_expansion, debug_var_chain.
12351 (create_nesting_tree): Initialize them.
12352 (lookup_field_for_decl): Use field_map.
12353 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12354 (convert_local_omp_clauses): New.
12355 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12356 (walk_body): Split out of walk_function.
12357 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12358 (convert_nonlocal_reference): Handle omp statements.
12359 (convert_local_reference): Likewise.
12360 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12361 (unnest_nesting_tree): New.
12362 (lower_nested_functions): Call it.
12363 (insert_field_into_struct): Make extern.
12364 (struct walk_stmt_info): Move to tree-gimple.h.
12365 (walk_stmts): Make extern.
12366 * omp-builtins.def: New file.
12367 * tree-iterator.c (expr_only): Clarify comment.
12368 * c-common.h (pushdecl_top_level, pushdecl,
12369 build_modify_expr, build_indirect_ref,
12370 c_finish_omp_master, c_finish_omp_critical,
12371 c_finish_omp_ordered, c_finish_omp_barrier,
12372 c_finish_omp_atomic, c_finish_omp_flush,
12373 c_finish_omp_for, c_split_parallel_clauses,
12374 omp_clause_default_kind, c_omp_sharing_predetermined,
12375 c_omp_remap_decl): Declare.
12376 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12377 (OBJS-common): Add omp-low.o.
12378 (c-omp.o, omp-low.o): Add.
12379 (gimplify.o): Add dependency on $(OPTABS_H).
12380 (GTFILES): Add omp-low.c.
12381 (gt-stringpool.h): Add.
12382 * tree-cfg.c (set_bb_for_stmt): Do not update the
12383 block-to-labels map if we are currently expanding to RTL.
12384 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12386 Handle IDENTIFIER_NODE.
12387 (tree_verify_flow_info): Do not ICE when emitting error
12388 messages about invalid labels.
12389 (dump_function_to_file): Reset CFUN before emitting the body
12391 (debug_function): New.
12392 * passes.c (init_optimization_passes): Schedule
12394 * langhooks-def.h (lhd_omp_predetermined_sharing,
12395 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12397 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12398 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12399 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12400 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12401 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12402 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12403 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12404 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12405 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12406 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12407 (LANG_HOOK_DECLS): Use them.
12409 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12410 Richard Henderson <rth@redhat.com>
12411 Jakub Jelinek <jakub@redhat.com>
12412 Diego Novillo <dnovillo@redhat.com>
12414 * c-parser.c (pragma_omp_clause): Define.
12415 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12416 (c_parser_compound_statement): Likewise.
12417 (c_parser_statement): Likewise.
12418 (c_parser_pragma): Handle omp pragmas.
12419 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12420 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12421 (c_parser_omp_clause_name, check_no_duplicate_clause,
12422 c_parser_omp_variable_list,
12423 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12424 c_parser_omp_clause_copyprivate,
12425 c_parser_omp_clause_default,
12426 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12427 c_parser_omp_clause_lastprivate,
12428 c_parser_omp_clause_nowait,
12429 c_parser_omp_clause_num_threads,
12430 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12431 c_parser_omp_clause_reduction,
12432 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12433 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12434 c_parser_omp_atomic, c_parser_omp_barrier,
12435 c_parser_omp_critical, c_parser_omp_flush,
12436 c_parser_omp_for_loop, c_parser_omp_for,
12437 c_parser_omp_master, c_parser_omp_ordered,
12438 c_parser_omp_sections_scope, c_parser_omp_sections,
12439 c_parser_omp_parallel, c_parser_omp_single,
12440 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12441 * c-pragma.c (init_pragma): Do omp pragma registration here.
12442 * c.opt (fopenmp): New flag.
12444 2006-01-18 Eric Christopher <echristo@apple.com>
12446 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12447 * config/darwin.h (GOMP_SELF_SPECS): Define.
12449 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12451 * rtl.h: Remove the prototype for reg_alloc.
12453 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12456 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12457 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12458 sjlj and dwarf2 exception handling.
12459 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12460 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12461 * pa/pa.c (function_value): Treat complex and vector types as
12463 (function_arg): Likewise. Only pass scalar floats in the floating
12464 point argument registers.
12465 * pa/t-slibgcc-dwarf-ver: New file.
12466 * pa/t-slibgcc-sjlj-ver: New file.
12467 * pa/t-slibgcc-elf-ver: Delete file.
12469 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12471 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12472 unlikely_test_section_p test.
12474 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12476 * mode-switching.c (optimize_mode_switching): Make it static.
12477 * basic-block.h: Remove the prototype for
12478 optimize_mode_switching.
12480 * modulo-sched.c (sms_schedule): Make it static.
12481 * rtl.h: Remove the prototype for sms_schedule.
12483 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12484 * rtl.h: Remove the prototype for gcse_after_reload_main.
12486 * reg-stack.c (reg_to_stack): Make it static.
12487 * rtl.h: Remove the prototype for reg_to_stack.
12489 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12491 * rtl.h: Remove the prototypes for regrename_optimize and
12492 copyprop_hardreg_forward.
12494 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12496 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12497 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12498 Test against the appropriate null constant for the mode.
12499 If 'fixup_overlap' is true, swap the operands if they overlap.
12500 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12501 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12502 alpha_split_tmode_pair and adjust for above change.
12503 * config/alpha/alpha.md (movtf_internal): Adjust call to
12504 alpha_split_tfmode_pair and rely on it to swap the operands.
12505 (movti_internal): New insn and post-reload splitter.
12506 (movti): New expander.
12508 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12510 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12513 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12515 * rtlanal.c (global_reg_mentioned_p_1,
12516 global_reg_mentioned_p): Remove.
12517 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12519 * flow.c (initialize_uninitialized_subregs): Make it static.
12520 * rtl.h: Remove the prototype for
12521 initialize_uninitialized_subregs.
12523 * function.c (instantiate_virtual_regs): Make it static.
12524 * function.h: Remove the prototype for
12525 instantiate_virtual_regs.
12527 * regmove.c (regmove_optimize, combine_stack_adjustments):
12529 * rtl.h: Remove the prototypes for regmove_optimize and
12530 combine_stack_adjustments.
12532 2006-01-17 Roger Sayle <roger@eyesopen.com>
12534 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12535 (size_cost): Encode costs in bytes so that a reg-reg addition is
12536 equivalent to COSTS_N_INSNS(1).
12537 (override_options): Use the size_cost.branch_cost as the default
12538 ix86_branch_cost when optimizing for size.
12540 2006-01-18 Ben Elliston <bje@au.ibm.com>
12542 * Makefile.in (D32PBIT_FUNCS): New.
12543 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12544 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12545 D64PBIT_FUNCS and D128PBIT_FUNCS.
12546 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12547 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12549 (decnumber_dep): Define.
12550 * doc/libgcc.texi (Decimal float library routines): New node.
12551 * config/dfp-bit.h, config/dfp-bit.c: New files.
12553 2006-01-18 Ben Elliston <bje@au.ibm.com>
12555 * expr.c (emit_move_change_mode): Always adjust addresses, not
12556 just during reload. Copy replacements only during reload.
12557 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12558 emit_move_via_integer.
12560 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12562 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12563 instead of $(srcdir) and ${srcdir}.
12565 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12568 PR middle-end/11135
12569 * arm.h (struct machine_function): Add pic_reg.
12570 * arm.c (arm_pic_register): Make unsigned.
12571 (arm_override_options): Only set arm_pic_register if
12572 TARGET_SINGLE_PIC_BASE.
12573 (use_return_insn): Only test for a pic register if it is fixed.
12574 (arm_compute_save_reg0_reg12_mask): Likewise.
12575 (thumb_compute_save_reg_mask): Likewise.
12576 (legitimate_pic_operand): Factor out some known invariants.
12577 (legitimize_pic_address): If we don't have a fixed pic register,
12578 then set up a pseudo in the function entry sequence. Handle the
12579 pic base being in a pseudo.
12580 (arm_load_pic_register): Handle the pic register being in a pseudo.
12581 (arm_expand_prologue): Only set up the pic register if it is fixed.
12582 (thumb_expand_prologue): Likewise.
12583 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12584 (pic_load_addr_based_insn): Likewise.
12585 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12588 2006-01-18 Ben Elliston <bje@au.ibm.com>
12590 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12591 decimal float modes for all floating point registers.
12593 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12594 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12596 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12599 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12600 even when the pointer is not NULL.
12602 2006-01-16 Ian Lance Taylor <ian@airs.com>
12604 * common.opt (ftoplevel-reorder): New option.
12605 * cgraph.c (cgraph_asm_nodes): New global variable.
12606 (cgraph_asm_last_node): New static variable.
12607 (cgraph_order): New global variable.
12608 (cgraph_create_node): Set new order field.
12609 (cgraph_varpool_node): Likewise.
12610 (decide_is_variable_needed): Return true if not
12611 flag_toplevel_reorder.
12612 (cgraph_add_asm_node): New function.
12613 * cgraph.h (struct cgraph_node): Add order field.
12614 (struct cgraph_varpool_node): Add order field.
12615 (struct cgraph_asm_node): Define.
12616 (cgraph_asm_nodes, cgraph_order): Declare.
12617 (cgraph_add_asm_node): Declare.
12618 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12620 (cgraph_varpool_assemble_pending_decls): Call it.
12621 (cgraph_output_pending_asms): New static function.
12622 (cgraph_finalize_compilation_unit): Call it.
12623 (struct cgraph_order_sort): Define.
12624 (cgraph_output_in_order): New static function.
12625 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12626 !flag_toplevel_reorder case.
12627 * c-parser.c: Include "cgraph.h".
12628 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12630 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12631 than -fno-unit-at-a-time.
12632 * doc/invoke.texi (Option Summary): Mention
12633 -fno-toplevel-reorder.
12634 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12635 -funit-at-a-time documentation.
12637 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12638 Kazu Hirata <kazu@codesourcery.com>
12640 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12642 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12644 * Makefile.in (FUNCTION_H): New. Use it instead of
12645 function.h throughout the file.
12646 * function.h: Include tree.h.
12648 2006-01-17 Ben Elliston <bje@au.ibm.com>
12650 * recog.c: Separate some functions with whitespace.
12652 2006-01-16 Richard Henderson <rth@redhat.com>
12654 Merge from gomp branch:
12655 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12656 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12657 and rename from struct inline_data. Rename callee* to dst*;
12658 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12659 transform_new_cfg, transform_return_to_modify, and
12660 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12662 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12663 (copy_decl_for_dup): Remove.
12664 * tree-inline.c (struct inline_data): Move to header.
12665 (insert_decl_map): Export.
12666 (remap_decl): Update for member name changes. Use copy_decl hook.
12667 Allow for replacement to be a non-decl. Remove dead code.
12668 (remap_type_1): Check for existing mapping.
12669 (remap_type): Export.
12670 (remap_decls): Update for member name changes.
12671 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12672 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12673 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12674 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12675 (tree_function_versioning, build_duplicate_type): Likewise.
12676 (copy_body_r): Likewise. Export.
12677 (copy_decl_for_dup): Split into ...
12678 (copy_decl_for_dup_finish, copy_decl_to_var,
12679 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12680 (replace_ref_tree, inlining_p): Remove.
12682 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12684 * ifcvt.c (if_convert): Make it static.
12685 * rtl.h: Remove the prototype for if_convert.
12687 * local-alloc.c (local_alloc): Make it static.
12688 * rtl.h: Remove the prototype for local_alloc.
12690 * loop.c (loop_optimize): Make it static.
12691 * cfgloop.h: Remove the prototype for loop_optimize.
12694 2006-01-16 DJ Delorie <dj@redhat.com>
12696 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12699 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12701 * pa.md: Disparage copies between general and floating-point registers
12702 in 32-bit move patterns.
12704 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12707 * Makefile.in (check-%): Depend on site.exp instead of
12708 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12711 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12713 * global.c (global_alloc): Make it static.
12714 * rtl.h: Remove the prototype for global_alloc.
12716 2006-01-16 Richard Guenther <rguenther@suse.de>
12718 * tree-ssa-alias.c (struct used_part): Add write_only field.
12719 (get_or_create_used_part_for): Initialize it to true.
12720 (create_overlap_variables_for): Don't create structure variables
12721 for structures that only are written to.
12722 (find_used_portions): Handle MODIFY_EXPR to track whether a
12723 structure is only written to.
12725 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12727 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12729 * basic-block.h: Remove the prototype for
12730 partition_hot_cold_basic_blocks.
12732 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12734 * cppspec.c (lang_specific_spec_functions): Remove.
12735 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12736 * gcc.h (lang_specific_spec_functions): Remove.
12737 * gccspec.c (lang_specific_spec_functions): Remove.
12739 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12741 * combine.c (record_value_for_reg): Invalidate registers
12743 (record_dead_and_set_regs_1): Likewise, by passing them to
12744 record_value_for_reg.
12745 (record_dead_and_set_regs): Invalidate stores made by a
12746 call. We do not combine across a call, but we still
12747 relied on equivalences.
12749 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12751 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12752 vrp_int_const_binop returning non-constant nodes.
12754 2006-01-16 Paul Brook <paul@codesourcery.com>
12756 * config/m68k/m68k.c (output_move_const_into_data_reg):
12757 Output correct mnemonic for mvz and mvs.
12759 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12761 * rtl-factoring.c: Add sequence abstraction algorithm.
12762 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12763 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12765 (block_has_preserve_label): New function.
12766 * common.opt: Register new pass.
12767 * Makefile.in: Ditto.
12769 * timevar.def: Ditto.
12770 * tree-pass.h: Ditto.
12771 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12772 * rtl.h (make_jump_insn_raw): Add forward decl.
12773 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12775 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12776 Roger Sayle <roger@eyesopen.com>
12778 * fold-const.c (fold_minmax): New static function.
12779 (fold_binary) <MIN_EXPR>: Call it.
12780 <MAX_EXPR>: Likewise.
12781 * stor-layout.c (place_field): Use DECL_SIZE consistently
12782 in the computation of the new record size.
12784 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12786 * cse.c (cse_condition_code_reg): Make it static.
12787 * rtl.h: Remove the prototype for cse_condition_code_reg.
12789 * combine.c (combine_instructions): Make it static.
12790 * rtl.h: Remove the prototype for combine_instructions.
12792 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12795 * tree.c (get_file_function_name_long): Concatenate the first global
12796 object name with a string derived from the input filename of the object
12799 2006-01-16 Ben Elliston <bje@au.ibm.com>
12801 * config/i386/winnt-stubs.c: Update FSF address.
12802 * config/xtensa/ieee754-df.S: Ditto.
12803 * config/xtensa/ieee754-sf.S: Ditto.
12805 2006-01-14 Ian Lance Taylor <ian@airs.com>
12807 * ifcvt.c (noce_init_if_info): New static function, broken out of
12808 noce_process_if_block.
12809 (noce_process_if_block): Call noce_init_if_info.
12810 (check_cond_move_block): New static function.
12811 (cond_move_process_if_block): New static function.
12812 (process_if_block): Call cond_move_process_if_block.
12814 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12816 * cselib.c (hash_table): Rename to cselib_hash_table.
12817 (cselib_clear_table, discard_useless_values,
12818 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12819 cselib_init, cselib_finish): Adjust uses of hash_table.
12821 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12823 PR tree-optimization/25485
12824 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12825 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12826 is known to be false and true, respectively.
12828 2006-01-14 Richard Guenther <rguenther@suse.de>
12830 PR tree-optimization/22548
12831 PR tree-optimization/22555
12832 PR tree-optimization/22501
12833 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12834 * params.def (salias-max-array-elements): New parameter.
12835 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12836 * doc/invoke.texi (salias-max-array-elements): Document.
12837 * tree-flow-inline.h (var_can_have_subvars): We also handle
12839 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12841 * tree-ssa-structalias.c (params.h): Include.
12842 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12843 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12844 (get_constraint_for): For ADDR_EXPR operating on something
12845 containing an ARRAY_REF, add all subvars to the solution.
12846 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12847 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12848 for creating MUST_DEFs.
12849 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12851 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12853 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12855 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12856 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12857 number_of_iterations_le): New functions.
12858 (number_of_iterations_special): Removed.
12859 (number_of_iterations_exit): Do not use number_of_iterations_special.
12860 * tree.c (unsigned_type_for): Always return integer type.
12862 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12863 Richard Guenther <rguenther@suse.de>
12865 PR rtl-optimization/24257
12866 * gcse.c (find_moveable_store): Only consider a store movable
12867 when the SET_SRC of the insn can be assigned to a register.
12869 2006-01-14 Ian Lance Taylor <ian@airs.com>
12871 * tree.c (tree_not_class_check_failed): New function.
12872 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12873 (tree_not_class_check_failed): Declare.
12875 2006-01-13 Ian Lance Taylor <ian@airs.com>
12877 * reload1.c (do_output_reload): Add assertion rejecting a
12880 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12882 * combine.c (struct reg_stat): Add new fields truncation_label and
12884 (record_value_for_reg): Reset truncated_to_mode.
12885 (record_truncated_value): New function.
12886 (check_promoted_subreg): Call it. Rename to check_conversions.
12887 (combine_instructions): Rename check_promoted_subreg to
12889 (reg_truncated_to_mode): New function.
12890 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12891 (gen_lowpart_or_truncate): New function.
12892 (force_to_mode): Use it instead of gen_lowpart.
12894 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12896 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12897 VAR is a tag, not its type tag.
12899 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12901 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12902 alternatives to match style of other entries.
12903 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12905 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12907 PR tree-optimization/25771
12908 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12911 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12914 * tree-inline.c (declare_return_variable): If the return variable
12915 was marked as a non gimple complex, set the return slot variable
12916 to be a non gimple comple variable.
12918 2006-01-13 Richard Guenther <rguenther@suse.de>
12920 * builtins.c (expand_builtin_sincos): New function.
12921 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12923 (expand_builtin): Expand sincos using expand_builtin_sincos.
12925 2006-01-12 DJ Delorie <dj@redhat.com>
12927 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12928 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12929 so that constant shifts can be split.
12930 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12931 (m32c_valid_pointer_mode): Make static.
12932 (shift_gen_func_for): New.
12933 (m32c_prepare_shift): Use it. Split large const shifts into
12935 * config/m32c/predicates.md (shiftcount_operand): Allow more
12937 (longshiftcount_operand): New.
12938 * doc/md.texi (Machine Constraints): Document In6.
12940 2006-01-13 Ben Elliston <bje@au.ibm.com>
12942 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12943 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12946 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12948 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12949 to try to avoid clobbering pieces of structures when we know
12950 something about the whole structure.
12951 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12953 2006-01-13 Ben Elliston <bje@au.ibm.com>
12955 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12956 return in memory, as this is no limitation is no longer present.
12958 2006-01-12 DJ Delorie <dj@redhat.com>
12960 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12961 mova with fb, and for fb+0 -> An.
12963 * config/m32c/mov.md (peephole2): Fix enabling logic.
12965 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12966 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12967 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12968 FINI_ARRAY_SECTION_ASM_OP): Define.
12970 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12972 (m32c_legitimize_reload_address): New logic to reload FB to An.
12973 (m32c_output_reg_push): Add newline.
12974 (m32c_output_reg_pop): Likewise.
12976 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12978 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12980 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12982 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12984 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12986 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12989 2006-01-11 Ben Elliston <bje@au.ibm.com>
12991 * rtlanal.c (find_reg_note): Assert insn is not null.
12993 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12995 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12998 2006-01-11 Jeff Law <law@redhat.com>
13000 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13002 (mark_threaded_blocks, register_jump_thread): New functions.
13003 (thread_through_all_blocks): Remove unwanted argument. No
13004 longer rely on e->aux to communicate thread target info.
13005 Call mark_threaded_blocks. Release the threaded_blocks
13006 bitmap and threaded_edges vector when complete.
13007 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13008 (threaded_blocks): Remove.
13009 (tree_ssa_dominator_optimize): Remove initialization and
13010 finalization of threaded_blocks. Simplify call to
13011 thread_through_all_blocks.
13012 (thread_across_edge): Call register_jump_thread rather than
13013 storing thread information into e->aux.
13014 (free_all_edge_infos): Simplify now that e->aux is no longer
13015 used to communicate with thread_through_all_blocks.
13016 * tree-flow.h (thread_through_all_blocks): Update prototype.
13017 (register_jump_thread): Prototype.
13019 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13021 * df-core.c (df_compact_blocks, df_bb_replace): Use
13022 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13024 2006-01-11 Richard Guenther <rguenther@suse.de>
13026 PR tree-optimization/25734
13027 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13028 stop propagation after successful propagation to the LHS.
13030 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13032 * basic-block.h (control_flow_graph): Change the type of
13033 x_basic_block_info to VEC(basic_block,gc) *.
13034 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13036 (SET_BASIC_BLOCK): New.
13037 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13038 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13039 * cfgbuild.c (find_basic_blocks): Likewise.
13040 * cfglayout.c (fixup_reorder_chain): Likewise.
13041 * cfgrtl.c (create_basic_block_structure,
13042 rtl_create_basic_block): Likewise.
13043 * ifcvt.c (find_if_case_1): Likewise.
13044 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13047 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13049 * Makefile.in: Removed rotted odf.c entry.
13051 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13054 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13055 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13056 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13057 output pattern modifier, not %e.
13058 * config/cris/cris.c (cris_op_str): Update comment about pattern
13060 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13061 before falling through into...
13062 <case 'E'>: Redefined from old 'e' case.
13064 2006-01-11 Jan Hubicka <jh@suse.cz>
13067 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13069 2006-01-11 Jan Hubicka <jh@suse.cz>
13071 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13072 * i386.c (x86_decompose_lea): Kill.
13073 (ix86_rtx_costs): Kill.
13075 2006-01-11 Jan Hubicka <jh@suse.cz>
13077 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13078 * cgraph.h (cgraph_node): Add inline_decl.
13079 (cgraph_insert_node_to_hashtable): Declare.
13080 (save_inline_function_body): Declare.
13081 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13083 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13084 (cgraph_function_versioning): Update call of tree_function_versioning.
13085 (save_inline_function_body): New function.
13086 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13087 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13088 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13089 (cgraph_default_inline_p): Likewise.
13090 (cgraph_decide_inlining_incrementally): Likewise.
13091 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13092 (copy_bb): Kill saving; do updating of clones.
13093 (copy_cfg_body): Kill saving.
13094 (initialize_inlined-parameters): Likewise.
13095 (expand_call_inline): Likewise.
13097 (tree_function_versioning): New parameter "update_clones".
13098 (inlining_p): Kill saving.
13099 * tree-inline.h (tree_function_versioning): Update prototype.
13100 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13103 2006-01-11 Ian Lance Taylor <ian@airs.com>
13105 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13106 Allow undoing set of machine mode.
13107 (do_SUBST): Use enums instead of is_int.
13108 (do_SUBST_MODE): New function.
13109 (SUBST_MODE): New macro.
13110 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13111 reg and trying to replace reg_regno_rtx with a new register.
13112 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13113 (simplify_set): Use SUBST_MODE.
13114 (distribute_notes): Remove code that tried to update reg notes
13115 for regno_reg_rtx changes.
13117 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13119 PR tree-optimization/23109
13120 PR tree-optimization/23948
13121 PR tree-optimization/24123
13123 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13124 * tree-cfg.c (single_noncomplex_succ): New.
13125 * tree-flow.h (single_noncomplex_succ): Declare it.
13126 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13127 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13128 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13129 insert_bb, register_division_in, insert_reciprocals,
13130 replace_reciprocal, free_bb): New.
13131 (execute_cse_reciprocals_1): Rewritten.
13132 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13133 Do not commit any edge insertion. Always compute dominators and
13134 create the allocation pool.
13135 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13136 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13137 * targhooks.c (default_min_divistions_for_recip_mul): New.
13138 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13139 * passes.c (init_optimization_passes): Run recip after tree loop
13141 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13143 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13144 Kenneth Zadeck <zadeck@naturalbridge.com>
13146 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13147 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13148 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13149 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13150 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13151 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13152 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13153 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13154 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13155 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13156 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13157 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13158 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13159 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13160 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13161 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13162 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13163 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13164 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13165 DF_SCAN_POST_ALLOC): New macros.
13166 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13167 df_free_bb_function, df_local_compute_function, df_init_function,
13168 df_dataflow_function, df_confluence_function_0,
13169 df_confluence_function_n, df_transfer_function,
13170 df_finalizer_function, df_free_function, df_dump_problem_function,
13171 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13172 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13173 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13174 df_urec_bb_info, ) New types.
13175 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13177 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13178 df_analyze_simple_change_some_blocks,
13179 df_analyze_simple_change_one_block, df_compact_blocks,
13180 df_bb_replace, df_bb_regno_last_use_find,
13181 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13182 df_insn_regno_def_p, df_find_def, df_find_use,
13183 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13184 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13185 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13186 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13187 debug_df_chain, df_get_dependent_problem, df_chain_create,
13188 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13189 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13190 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13191 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13192 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13193 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13194 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13195 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13196 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13197 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13198 df_reorganize_refs, df_set_state, df_hard_reg_init,
13199 df_read_modify_subreg_p) New public functions.
13200 * df-core.c: The core dataflow solver and glue routines for rtl
13202 (df_init, df_add_problem, df_set_blocks, df_finish,
13203 df_hybrid_search_forward, df_hybrid_search_backward,
13204 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13205 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13206 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13207 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13208 df_reg_defined, df_find_use, df_reg_used, df_dump,
13209 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13210 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13211 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13212 debug_df_useno, reset_df_after_reload): New functions.
13213 * df-scan.c: The scanning fuctions, once in df.c, completely
13214 rewritten so that they now fully model the functionality of
13215 register usage at the backend.
13216 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13217 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13218 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13219 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13220 df_get_artificial_defs, df_get_artificial_uses,
13221 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13222 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13223 df_refs_delete, df_reorganize_refs, df_set_state,
13224 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13225 df_def_record_1, df_defs_record, df_uses_record,
13226 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13227 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13228 df_record_exit_block_uses, df_hard_reg_init): New functions.
13230 * df-problems.c: Seven concrete dataflow problems that use the
13231 scanning in df-scan.c and are solved by the engine in df-core.c.
13232 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13233 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13234 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13235 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13236 df_ru_free_bb_info, df_ru_alloc,
13237 df_ru_bb_local_compute_process_def,
13238 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13239 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13240 df_ru_transfer_function, df_ru_free, df_ru_dump,
13241 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13242 df_rd_free_bb_info, df_rd_alloc,
13243 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13244 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13245 df_rd_transfer_function, df_rd_free, df_rd_dump,
13246 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13247 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13248 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13249 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13250 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13251 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13252 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13253 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13254 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13255 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13256 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13257 df_urec_mark_reg_use_for_earlyclobber,
13258 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13259 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13260 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13261 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13262 df_chain_create_bb_process_use, df_chain_create_bb,
13263 df_chain_finalize, df_chain_free, df_chains_dump,
13264 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13265 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13266 df_reg_lifetime): New functions.
13267 * df.c: Deleted file.
13268 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13269 consistent with new df api.
13270 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13271 rest_of_handle_sms): Ditto.
13272 * web.c (unionfind_union, union_defs, entry_register, web_main):
13274 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13275 invariant_expr_equal_p, find_defs, check_dependencies,
13276 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13277 free_inv_motion_data, move_loop_invariants): Ditto.
13278 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13279 Update dependencies.
13280 (odf.c): Added defective entry that was deleted later in day.
13281 * sched-deps.c (sched_analyze_1): Ditto.
13283 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13285 * tree-ssa-operands.c (get_expr_operands): Record addressable
13286 variables directly. Do not call add_stmt_operands for CONST_DECLs
13288 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13289 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13291 2006-01-11 Ben Elliston <bje@au.ibm.com>
13293 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13294 function returns true in the positive case.
13296 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13299 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13300 for SI, DI, SF and DF modes. Add alternatives to copy between
13301 general and floating point registers to the 32-bit patterns.
13302 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13303 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13304 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13305 generating 64-bit code.
13306 * config/pa/pa.c (output_move_double): Handle copies between general
13307 and floating registers.
13309 2006-01-10 Stuart Hastings <stuart@apple.com>
13311 * config/i386/i386.md (set_got): Update.
13312 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13313 (builtin_setjmp_receiver): Mach-O support.
13314 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13315 (GOT_SYMBOL_NAME): Define.
13316 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13317 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13318 * config/i386/i386.c (override_options): Revise for Darwin.
13319 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13320 support. (darwin_x86_file_end): New. (output_set_got): Add label
13321 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13322 * config/i386/i386-protos.h (output_set_got): Likewise.
13323 * config/darwin.c (machopic_legitimize_pic_address): Update
13326 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13328 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13329 when MODE isn't BLKmode.
13331 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13333 PR rtl-optimization/25367
13334 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13336 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13339 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13340 for a negative bound.
13342 2006-01-10 Richard Guenther <rguenther@suse.de>
13344 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13345 Never override with anything constraint.
13347 2006-01-10 Jan Beulich <jbeulich@novell.com>
13349 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13350 256 bits when optimize_size.
13352 2006-01-10 Jan Beulich <jbeulich@novell.com>
13354 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13356 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13357 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13360 2006-01-10 Ben Elliston <bje@au.ibm.com>
13362 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13364 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13365 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13366 (USE_FP_FOR_ARG): Reject decimal float modes.
13367 (function_arg_advance): Likewise.
13368 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13369 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13370 point types in AltiVec vectors.
13371 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13372 (rs6000_libcall_value): Likewise.
13374 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13376 * config/xtensa/ieee754-df.S: New file.
13377 * config/xtensa/ieee754-sf.S: New file.
13378 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13379 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13380 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13382 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13384 * config/sh/predicates.md (binary_float_operator,
13385 binary_logical_operator, commutative_float_operator,
13386 equality_comparison_operator, greater_comparison_operator,
13387 less_comparison_operator, logical_operator,
13388 noncommutative_float_operator, shift_operator,
13389 symbol_ref_operand, unary_float_operator): Remove redundant
13392 2006-01-09 Jeff Law <law@redhat.com>
13394 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13395 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13396 now unused arguments. Callers updated.
13397 (eliminate_redundant_computations): Remove now unused arguments,
13399 (local_fold): Remove, no longer used.
13400 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13402 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13403 (simplify_cond): New function.
13404 (forward_propagate_into_cond): Call simplify_cond.
13406 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13408 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13409 (*vec_extractv2di_1_sse): New.
13411 2006-01-09 Ben Elliston <bje@au.ibm.com>
13413 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13415 2006-01-08 Richard Guenther <rguenther@suse.de>
13417 * tree-ssa-structalias.c (get_constraint_for): Remove
13418 anyoffset argument.
13419 (get_constraint_for_component_ref): Likewise.
13420 (do_deref): Likewise.
13421 (get_constraint_for): Likewise.
13422 (do_structure_copy): Likewise.
13423 (handle_ptr_arith): Likewise.
13424 (find_func_aliases): Likewise. Remove unused need_anyoffset
13427 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13428 Kaz Kojima <kkojima@gcc.gnu.org>
13430 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13431 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13432 (EXTRA_CONSTRAINT_C16): Remove.
13433 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13434 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13435 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13436 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13437 constants of SHmedia. Handle nested constant expressions of
13439 (andcosts): Fix the costs for SHmedia constants.
13440 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13441 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13442 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13443 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13444 (movv4hi_i, movv2si_i): Likewise.
13445 (movsi_const): Adjust the second operand of ior so to match with
13446 the Csu constraint.
13447 (movdi_const, movdi_const_32bit): Likewise.
13448 (movdi_const_16bit+1): Don't sign-extend LOW.
13449 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13451 (*double_shori): Fix the split condition. Use GEN_INT instead
13452 of get_int_mode calls. Mask lower 16-bit of the argument of
13454 (sym2GOTPLT): Remove.
13455 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13457 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13458 instead of EXTRA_CONSTRAINT_C16.
13460 2006-01-07 Ian Lance Taylor <ian@airs.com>
13461 David Edelsohn <edelsohn@gnu.org>
13463 PR rtl-optimization/25662
13464 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13465 for constant operands instead of simplify_gen_binary.
13466 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13467 after trying simplify_binary_operation
13469 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13471 * tree.c (iterative_hash_expr): Hash decls based on UID.
13473 2006-01-06 Eric Christopher <echristo@apple.com>
13475 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13476 (TARGET_UNWIND_EMIT): Fix spelling.
13477 * target.h (gcc_target): Add except_table_label.
13478 * except.c (output_function_exception_table): Use.
13479 * varasm.c (default_emit_except_table_label): New.
13480 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13482 (asm_out): Add here.
13483 * output.h (default_emit_except_table_label): Prototype.
13484 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13485 * config/darwin.c (darwin_emit_except_table_label): Define.
13486 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13488 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13490 PR tree-optimization/18527
13491 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13492 number_of_iterations_special, number_of_iterations_exit):
13493 Move base and step of an iv to a single structure. Add
13494 no_overflow flag, and use it in # of iterations analysis.
13495 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13496 folded_casts argument.
13497 (simple_iv): Pass base and step in a structure. Set no_overflow
13499 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13500 Evaluate expensiveness of computing # of iterations instead of
13501 the final expression.
13502 * tree-scalar-evolution.h (affine_iv): New structure.
13503 (simple_iv): Declaration changed.
13504 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13505 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13506 find_givs_in_stmt): Changed due to simple_iv change.
13508 2006-01-06 Jeff Law <law@redhat.com>
13511 * tree-cfg.c (bsi_replace): Rename final argument from
13512 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13513 change (stmt -> orig_stmt).
13514 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13515 (bsi_remove): Add new argument. Remove EH information
13517 (verify_eh_throw_table_statements): New function.
13518 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13520 * tree-optimize.c (execute_free_cfg_annotations): Verify
13521 the EH throw statement table after removing annotations.
13522 * except.h (verify_eh_throw_table_statements): Prototype.
13523 * tree-flow.h (bsi_remove): Update prototype.
13524 * tree-vrp.c (remove_range_assertions): Add new argument to
13526 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13527 * tree-complex.c (expand_complex_div_wide): Likewise.
13528 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13529 * tree-tailcall.c (eliminate_tailcall): Likewise.
13530 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13531 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13532 * tree-nrv.c (tree_nrv): Likewise.
13533 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13534 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13535 (combine_blocks): Likewise.
13536 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13537 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13538 (cleanup_control_flow): Likewise.
13539 (remove_forwarder_block): Likewise.
13540 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13541 * tree-sra.c (sra_replace): Likewise.
13542 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13543 (forward_propagate_single_use_vars): Likewise.
13544 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13545 * tree-inline.c (expand_call_inline): Likewise.
13546 * tree-vect-transform.c (vect_transform_loop): Likewise.
13547 * tree-outof-ssa.c (rewrite_trees): Likewise.
13548 * tree-cfg.c (make_goto_expr_edges): Likewise.
13549 (cleanup_dead_labels): Likewise.
13550 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13551 (bsi_move_before, bsi_move_after): Likewise.
13552 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13553 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13555 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13558 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13560 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13561 on non gimple variables. Also add checks at the top for decls and
13563 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13565 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13566 and IMAGPART_EXPR for creating MUST_DEFs.
13567 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13568 and NAME_MEMORY_TAG separately from the DECLs.
13570 2006-01-06 Richard Guenther <rguenther@suse.de>
13572 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13573 annotation, if necessary.
13574 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13575 redundant calls to update_stmt.
13576 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13579 2006-01-05 Richard Henderson <rth@redhat.com>
13581 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13583 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13585 * c-typeck.c: Update copyright date.
13587 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13589 * c-typeck.c (build_c_cast): Always warn when casting
13590 from a pointer to an integer of different size, even if
13591 the node was constant.
13593 2006-01-05 Richard Guenther <rguenther@suse.de>
13595 PR tree-optimization/22555
13596 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13597 if one structure field is an array.
13598 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13599 operands even if we found a subvar, but ignore VOPs in this
13601 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13603 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13605 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13607 PR middle-end/24998
13608 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13610 2006-01-05 Richard Guenther <rguenther@suse.de>
13611 Diego Novillo <dnovillo@redhat.com>
13613 * tree-pass.h (TODO_remove_unused_locals): Define.
13614 * gimple-low.c (expand_var_p, remove_useless_vars,
13615 pass_remove_useless_vars): Remove. Update all users.
13616 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13617 (remove_unused_locals): New function.
13618 * tree-flow.h (remove_unused_locals): Declare.
13619 * passes.c (execute_todo): Call remove_unused_locals if
13620 TODO_remove_unused_locals is set.
13621 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13622 * tree-ssa-dce.c (pass_dce): Likewise.
13623 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13625 2006-01-05 Richard Guenther <rguenther@suse.de>
13627 * tree-flow.h (struct fieldoff): Decompose field to
13628 type, size and decl.
13629 * tree-ssa-alias.c (create_sft): Take type as parameter.
13630 (create_overlap_variables_for): Store type, size and decl
13631 in the fieldoff structure.
13632 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13633 of struct fieldoff.
13634 (push_fields_onto_fieldstack): Likewise.
13635 (create_variable_info_for): Likewise. Use offset for the
13636 SFT name if the decl is not available.
13638 2006-01-04 Paul Brook <paul@codesourcery.com>
13640 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13642 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13644 * lambda-code.c (can_put_in_inner_loop): Relax
13646 (can_put_after_inner_loop): New function.
13647 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13648 (perfect_nestify): Change to make copies and modify uses.
13650 2006-01-04 Richard Henderson <rth@redhat.com>
13652 Merge from gomp branch:
13653 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13654 via integer constant.
13655 (pragma_lex): Remove.
13656 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13657 rather than parsing it.
13658 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13659 handle_pragma_extern_prefix): Add %< %> quotes.
13660 (registered_pragmas): New.
13661 (c_register_pragma_1): New.
13662 (c_register_pragma): Use it.
13663 (c_register_pragma_with_expansion): Likewise.
13664 (c_invoke_pragma_handler): New.
13665 (init_pragma): Use cpp_register_deferred_pragma directly for
13667 * c-pragma.h (enum pragma_kind): New.
13668 (pragma_handler): New.
13669 (c_invoke_pragma_handler): Declare.
13670 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13672 * c-common.h (c_common_pch_pragma): Update decl.
13673 * Makefile.in (c-parser.o): Update dependencies.
13674 (GTFILES): Add c-pragma.h.
13675 * c-parser.c (struct c_token): Add pragma_kind.
13676 (struct c_parser): Add in_pragma.
13677 (c_lex_one_token): Always initialize keyword and pragma_kind.
13678 Extract data for CPP_PRAGMA.
13679 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13680 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13681 Don't allow CPP_PRAGMA_EOL if in_pragma.
13682 (c_parser_consume_pragma): New.
13683 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13684 (c_parser_skip_to_end_of_parameter): Likewise.
13685 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13686 (c_parser_skip_to_pragma_eol): New.
13687 (c_parser_external_declaration): Handle CPP_PRAGMA.
13688 (c_parser_compound_statement_nostart): Likewise.
13689 (c_parser_statement_after_labels): Likewise.
13690 (c_parser_pragma): New.
13691 (pragma_lex): Likewise.
13692 (c_parser_pragma_pch_preprocess): New.
13693 (c_parser_new): Merge into ...
13694 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13696 2006-01-04 Jeff Law <law@redhat.com>
13699 * tree-cfg.c (bsi_replace): Remove the original statement
13700 from the EH throw statement table.
13702 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13704 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13705 make the prototype extern "C" and add throw ().
13708 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13709 and pos non-negative and pos + len <= 32.
13710 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13711 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13712 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13715 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13716 as well as sizes not multiple of component size.
13719 * function.c (instantiate_expr): New function.
13720 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13721 walk its DECL_VALUE_EXPR with instantiate_expr.
13723 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13724 DW_OP_deref{,_size} if address isn't going to be added.
13726 2006-01-04 Ben Elliston <bje@au.ibm.com>
13728 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13729 * config/fp-bit.c: Likewise.
13731 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13733 * dominance.c: Add comment about why we use DFS numbering
13736 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13737 Richard Henderson <rth@redhat.com>
13739 Merge from gomp-branch:
13740 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13741 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13743 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13745 PR rtl-optimization/25578
13746 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13747 pass a parameter to simplify_shift_const if changing ASHIFTRT
13750 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13752 * builtins.c (get_builtin_sync_mem): New function.
13753 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13754 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13755 Call get_builtin_sync_mem to generate mem rtx.
13757 2006-01-03 Richard Guenther <rguenther@suse.de>
13760 * stmt.c (add_case_node): Make sure to clear overflow flags
13763 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13765 Merge from gomp-branch.
13766 * config/sparc/sync.md: New file.
13767 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13768 UNSPECV_LDSTUB): New constants.
13769 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13770 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13771 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13774 2006-01-03 Roger Sayle <roger@eyesopen.com>
13776 * combine.c (reg_subword_p): New predicate to test whether the
13777 destination of a set refers to a subword/piece of a register.
13778 (try_combine): Generalize the code to merge the setting of a
13779 pseudo to a constant followed by a set of a subword of that
13780 register to a constant.
13782 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13784 * basic-block.h (control_flow_graph): Change the type of
13785 x_label_to_block_map to VEC(basic_block,gc) *.
13786 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13787 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13789 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13790 VEC(basic_block,heap) *.
13791 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13792 ssa_prop_fini): Adjust the uses of cfg_blocks.
13794 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13796 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13798 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13799 hashing trees instead of a pointer hash.
13800 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13801 compare for MEM_EXPR.
13803 PR rtl-optimization/25130
13804 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13805 when comparing MEMs for GCSE
13807 2006-01-03 Ben Elliston <bje@au.ibm.com>
13809 * targhooks.h (default_decimal_float_supported_p): Declare.
13810 * targhooks.c (default_decimal_float_supported_p): Define.
13811 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13812 `default_decimal_float_supported_p'.
13813 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13815 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13817 * combine.c (apply_distributive_law <SUBREG>): Check
13818 TRULY_NOOP_TRUNCATION.
13820 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13822 * dwarf2out.c (have_switched_text_section): Delete.
13823 (have_multiple_function_sections): New.
13824 (have_location_lists): Make 'bool'.
13825 (add_AT_loc_list): Use 'true' not '1'.
13826 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13827 (output_loc_list): Use have_multiple_function_sections.
13828 (output_ranges): Likewise.
13829 (dwarf2out_begin_function): Set have_multiple_function_sections if
13831 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13832 Check function_section rather than DECL_SECTION_NAME.
13833 (dwarf2out_finish): Use have_multiple_function_sections.
13834 Don't clear have_location_lists.
13836 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13837 Jan Hubicka <jh@suse.cz>
13839 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13840 case of conditional jump jumping to the next instruction.
13841 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13842 cases of conditional jump jumping to the next instruction.
13844 2006-01-02 Jan Hubicka <jh@suse.cz>
13846 * i386.c (*_cost): Add COSTS_N_INSNS.
13847 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13849 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13852 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13854 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13856 * config/arm/arm.c (all_fpus): Fix comment typo.
13857 * config/darwin.c: Likewise.
13858 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13859 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13860 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13862 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13864 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13865 (rs6000_split_compare_and_swapqhi): New.
13866 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13867 (sync_compare_and_swapqhi_internal): New.
13868 * config/rs6000/rs6000-protos.h: Declare.