1 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2 Andrew Pinski <pinskia@physics.uc.edu>
5 * tree.c (build_array_type): Unify array types with
6 unspecified index_type.
7 * c-decl.c (grokdeclarator): Make sure we do not modify a
8 unified incomplete array type.
9 * c-typeck.c (store_init_value): Create distinct type before
10 filling in the index type in an initializer from a compound
13 * c-decl.c (grokdeclarator): Remove code where we copy the
16 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
18 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
19 into account for TODO_dump_cgraph.
20 (TODO_update_ssa_no_phi): Likewise.
21 (TODO_update_ssa_full_phi): Likewise.
22 (TODO_update_ssa_only_virtuals): Likewise.
23 (TODO_remove_unused_locals): Likewise.
24 (TODO_set_props): Likewise.
25 (TODO_update_stmt_usage): Likewise.
27 2006-08-13 Dirk Mueller <dmueller@suse.de>
29 * c-common.c (strict_aliasing_warning): Fix formatting.
31 2006-08-13 Matthias Klose <doko@debian.org>
33 * doc/invoke.texi: Fix spelling errors.
35 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
37 PR rtl-optimization/23454
38 * reorg.c (relax_delay_slots): Update comment.
40 2006-08-11 Richard Guenther <rguenther@suse.de>
43 * simplify-rtx.c (simplify_const_relational_operation):
44 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
47 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
49 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
50 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
52 2006-08-10 Paul Brook <paul@codesourcery.com>
54 * final.c (final_scan_insn): Clear current_insn_predicate before
55 outputting inline asm.
57 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
59 PR tree-optimization/26197
60 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
61 get_ref_base_and_extent and overlap_subvar to add only relevant
62 subvars as may-aliases.
63 (add_may_alias_for_new_tag): New function, factored out of
65 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
66 with additional argument.
67 * tree-flow.h (new_type_alias): Takes additional argument.
69 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
71 * gcov.c (no_data_file): New flag.
72 (read_count_file): Set it if data file not present. Assume counts
74 (output_lines): Don't name the data file, if there wasn't one.
76 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
78 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
79 (rs6000_generate_compare): Tweak comments.
80 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
82 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
84 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
85 (var_debug_decl): New function.
86 (var_reg_set): Follow debug decl link. Add location even if
87 reg is already known to hold some other variable.
88 (var_mem_set): Follow debug decl link.
89 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
90 decl link. Delete other known locations of the variable part
92 (var_reg_delete, var_mem_delete): Delete other known locations
93 of the variable part if requested.
94 (same_variable_part_p): New function.
95 (add_stores): Select MO_COPY when appropriate.
96 (vt_initialize): Handle it.
97 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
98 known locations for MO_SET and MO_CLOBBER.
99 (find_variable_location_part): New function.
100 (set_variable_part, delete_variable_part): Use it.
101 (clobber_variable_part): New function.
102 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
105 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
107 PR tree-optimization/26969
108 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
109 with an empty list of PHIs.
111 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
115 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
118 2006-08-06 Andreas Schwab <schwab@suse.de>
120 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
121 string. Whitespace and comment fixup.
123 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
126 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
130 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
133 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
135 2006-08-04 Jan Hubicka <jh@suse.cz>
139 * reload.c (push_reload): Patch out the mismatching instruction;
141 (find_reload): Bail out if the instruction was patched out.
143 2006-08-04 Jan Hubicka <jh@suse.cz>
145 PR tree-optimization/24888
146 * tree-inline.c (expand_call_inline): Do not re-record variables.
147 (declare_inline_vars): Add variable to unexpanded_var_list.
149 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
150 Roger Sayle <roger@eyesopen.com>
152 PR rtl-optimization/26244
153 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
154 inner_const are negative or greater than or equal to the bitsize of
155 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
156 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
157 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
158 CONST0_RTX (mode) when the new shift count is greater than or equal to
159 to the bitsize of the object being shifted and XEXP (y, 0) has no side
162 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
164 * tree-cfg.c: Fix a comment typo.
166 2006-08-03 Mark Mitchell <mark@codesourcery.com>
169 * varasm.c (output_constant): Give the front end another chance to
170 expand constants, after stripping NOPs.
172 2006-08-03 Jan Hubicka <jh@suse.cz>
174 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
177 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
179 PR tree-optimization/27770
180 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
181 declaration removed (moved to tree-flow.h).
182 (vect_can_force_dr_alignment_p): Likewise.
183 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
184 (moved from tree-vectorizer.h).
185 (vect_can_force_dr_alignment_p): Likewise.
186 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
187 from outside the vectorizer - in particular from cgraph stage.
188 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
189 the alignment of global arrays when -fsection-anchors is enabled.
190 * cgraphunit.c (cgraph_increase_alignment): New function.
191 (cgraph_optimize): Call cgraph_increase_alignment.
193 2006-08-03 David Edelsohn <edelsohn@gnu.org>
196 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
197 not reload a SPE symbol_ref into a lo_sum address.
199 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
202 * dwarf2out.c (prune_unused_types_prune): Move call to
203 prune_unused_types_update_strings to cover the parent DIE also.
205 2006-08-02 Jan Hubicka <jh@suse.cz>
207 PR gcov/profile/28480
208 * tree-cfg.c (change_bb_for_stmt): New function.
209 (tree_merge_blocks, tree_split_blocks): Use it.
211 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
217 * toplev.c (compile_file): Return early on errorcount or sorrycount.
218 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
219 (cgraph_optimize): Likewise.
221 2006-08-01 Stuart Hastings <stuart@apple.com>
223 * rtl.h (UINTVAL) New.
224 * config/rs6000/rs6000.c (SMALL_INT) Use it.
225 * testsuite/gcc.dg/20060801-1.c: New.
227 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
230 * c-typeck.c (build_external_type): Mark used enum types.
231 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
233 (gen_subprogram_die): Whitespace fix.
235 2006-08-01 Jan Hubicka <jh@suse.cz>
237 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
238 bitmap when not needed.
239 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
242 2006-08-01 Dirk Mueller <dmueller@suse.de>
244 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
246 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
248 * Makefile.in: Revert part of previous patch:
249 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
252 2006-07-30 Eric Christopher <echristo@apple.com>
255 * doc/extend.texi (i386 Variable Attributes): Add anchor.
256 (PowerPC Variable Attributes): New section.
258 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
260 PR target/28126 (partial fix)
261 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
263 2006-07-28 Jan Hubicka <jh@suse.cz>
265 PR rtl-optimization/28071
266 * cfgrtl.c (rtl_delete_block): Free regsets.
267 * flow.c (allocate_bb_life_data): Re-use regsets if available.
269 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
271 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
272 and variables used in dependencies.
274 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
276 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
277 %fs for -mcmodel=kernel.
278 (stack_tls_protect_test_di): Likewise.
280 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
282 * Makefile.in: Use mkinstalldirs.
284 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
287 * opts-common.c (prune_options): Skip joined switches.
289 2006-07-27 Jan Hubicka <jh@suse.cz>
291 PR rtl-optimization/28071
292 * cselib.c (cselib_process_insn): Don't remove useless values too
293 often for very large hashtables.
295 2006-07-27 Jan Hubicka <jh@suse.cz>
297 PR rtl-optimization/28071
298 * global.c (greg_obstack): New obstack.
299 (allocate_bb_info): Use it.
300 (free_bb_info): Likewise.
301 (modify_reg_pav): Likewise.
303 2006-07-27 Roger Sayle <roger@eyesopen.com>
305 * builtins.c (fold_fixed_mathfn): When long and long long are the
306 same size, canonicalize llceil*, llfloor*, llround* and llrint*
307 functions to their lceil*, lfloor*, lround* and lrint* forms.
309 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
312 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
314 (rev_branch_insn): Likewise.
316 2006-07-27 Jan Hubicka <jh@suse.cz>
318 PR rtl-optimization/28071
319 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
320 (reg_set_in_bb, max_reg_computed): New static variables.
321 (regmove_optimize): Free the new array.
322 (fixup_match_1): Update call of reg_is_remote_constant_p.
324 2006-07-26 Jan Hubicka <jh@suse.cz>
326 PR tree-optimization/27882
327 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
329 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
331 (cgraph_analyze_compilation_unit): Likewise.
332 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
333 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
334 (cgraph_early_inlinine): Make order garbage collected.
335 * Makefile.in (gt-ipa-inline): New garbagecollected file.
337 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
339 * dbxout.c (output_types_sort): Add a comment.
340 (output_used_types): Free the VEC.
342 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
344 * function.c (reorder_fix_fragments): Delete.
345 (reorder_blocks): Don't call it.
346 (reorder_blocks_1): Put all subblocks under the origin block.
348 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
350 PR rtl-optimization/27907
351 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
354 2006-07-25 Roger Sayle <roger@eyesopen.com>
357 * convert.c (convert_to_integer): When transforming (T)foo(x) into
358 bar(x) check that bar's result type can represent all the values of T.
360 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
362 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
364 2006-07-25 Nick Clifton <nickc@redhat.com>
366 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
368 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
369 (ggc_pch_count_object): Likewise.
370 (ggc_pch_alloc_object): Likewise.
371 (ggc_pch_write_object): Likewise.
372 (init_ggc): Do not attempt to initialize entries in the
373 size_lookup[] array for objects whose size is greater than than
374 the length of the array.
376 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
378 * dbxout.c (output_used_types_helper): Push queued types
380 (output_types_sort): New.
381 (output_used_types): Collect used types on a VEC and sort them
384 2006-07-24 Richard Guenther <rguenther@suse.de>
387 * cgraph.c (cgraph_remove_node): Do not check if dumps
389 * cgraphunit.c (cgraph_optimize): Likewise.
391 2006-07-24 Jan Hubicka <jh@suse.cz>
393 PR rtl-optimization/28071
394 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
395 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
396 splitting before first stmt.
398 2006-07-24 Jan Hubicka <jh@suse.cz>
400 PR rtl-optimization/28071
401 * ipa-inline.c (update_caller_keys): Remove edges that
402 are no longer inline candidates.
404 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
407 * dbxout.c (output_used_types_helper, output_used_types): New.
408 (dbxout_symbol): Call output_used_types.
410 2006-07-23 Jan Hubicka <jh@suse.cz>
414 * cgraph.c (cgraph_varpool_nodes): Export.
415 (decide_is_variable_needed): Ignored "used" attribute in
417 * cgraph.h (cgraph_varpool_nodes): Declare.
418 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
421 2006-07-23 Roger Sayle <roger@eyesopen.com>
424 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
425 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
426 the __gthrw form of thr_keycreate.
427 (__gthread_key_delete): Silence the unused argument warning.
429 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
432 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
433 Cache the last found '\0' marker to avoid quadratic behavior.
435 2006-07-23 Jan Hubicka <jh@suse.cz>
437 * i386.md (subsi_3_zext): Fix output template.
439 2006-07-21 Mike Stump <mrs@apple.com>
441 * doc/invoke.texi (C++ Dialect Options): Note that
442 -fvisibility-inlines-hidden doesn't affect explicitly
443 instantiationed inline methods.
445 2006-07-20 Roger Sayle <roger@eyesopen.com>
447 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
448 if the target assembler is GNU binutils' gas.
449 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
450 whether to pass GNU gas or native as command line options.
452 2006-07-20 Jason Merrill <jason@redhat.com>
454 * tree.c (remove_attribute): New fn.
455 * tree.h: Declare it.
457 2006-07-20 Paul Brook <paul@codesourcery.com>
460 * cse.c (cse_insn): Add destination addresses to hash table. Check if
461 they are invalidated by this instruction.
463 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
466 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
468 2006-07-20 Eric Christopher <echristo@apple.com>
471 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
473 2006-07-19 Eric Christopher <echristo@apple.com>
475 * config/t-slibgcc-darwin (stmp-lipo): Remove.
476 Rewrite dependencies for libgcc_s.1.dylib.
478 2006-07-19 Jakub Jelinek <jakub@redhat.com>
480 * except.c (duplicate_eh_regions_1): Clear next_peer.
482 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
484 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
485 -mlongcall does not guarantee all calls will be long.
486 * doc/extend.texi (long_call/short_call): Document that longcall
487 does not guarantee a long call will be used.
488 (longcall/shortcall): Likewise.
490 2006-07-18 Roger Sayle <roger@eyesopen.com>
493 * expmed.c (expand_shift): Additionally check that the shift_cost
494 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
495 before implementing a LSHIFT_EXPR as a sequence of additions.
496 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
497 middle-end that DImode shifts need to be synthesized by expand.
499 2006-07-18 Diego Novillo <dnovillo@redhat.com>
502 * tree-ssa-operands.c (access_can_touch_variable): Update
504 Return true if ALIAS is .GLOBAL_VAR.
506 2006-07-18 David Daney <ddaney@avtrex.com>
508 * gcc.c (display_help): Fix typo in help text.
510 2006-07-18 Olivier Hainque <hainque@adacore.com>
512 * tree.h (categorize_ctor_elements): Adjust prototype and add
513 descriptive comment, both in accordance with the interface change
515 * varasm.c (constructor_static_from_elts_p): New function.
516 Whether a constructor node is a valid static constant initializer
517 if all its elements are.
518 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
519 * output.h: Declare it.
520 * expr.c (categorize_ctor_elements_1): Return whether the constructor
521 is a valid constant initializer instead of computing the number of
522 non-constant elements. Use constructor_static_from_elts_p for this
523 purpose. Replace the head comment with an indication that this is a
524 helper for categorize_ctor_elements.
525 (categorize_ctor_elements): Same interface change as for the _1
526 helper. Former head comment from this helper moved here, adjusted to
527 account for the interface changes.
528 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
529 (all_zeros_p): Likewise.
530 * gimplify.c (gimplify_init_constructor): Decide whether we can make
531 static versions of the constructor from the categorize_ctor_elements
532 return value instead of the formerly computed number of non-constant
535 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
537 * configure: Regenerate.
538 * Makefile.in (build_libsubdir): New configure substitution
539 (build_libobjdir): New variable.
540 (BUILD_LIBIBERTY): Use it.
542 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
545 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
547 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
550 * c-common.c (handle_weakref_attribute): Ignore attribute in
551 the same conditions the alias attribute is ignored.
553 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
555 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
556 (dbxout_begin_prologue): Increment scope_labelno.
558 2006-07-17 Richard Henderson <rth@redhat.com>
561 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
564 2006-07-17 Roger Sayle <roger@eyesopen.com>
565 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
567 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
568 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
569 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
570 functions such as sbrk, write, etc.. Add function prototypes.
571 Convert function declarations from K&R to ISO C. Cast pointers
572 to "long" and "unsigned long" instead of "int" and "unsigned int".
573 Convert tokens following #endif into comments.
575 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
577 * invoke.texi: Remove mention of f77; Reformat table for
578 inline parameter options correctly; mention that -malign-double
579 is default on x86-64 targets.
581 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
583 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
584 (convert_affine_scev, chrec_convert_aggressive): Use
585 avoid_arithmetics_in_type_p. Do not check for the subtypes
588 2006-07-17 Richard Sandiford <richard@codesourcery.com>
591 * optabs.c (expand_doubleword_shift): Wrap the call to
592 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
594 2006-07-17 Richard Sandiford <richard@codesourcery.com>
597 * optabs.c (expand_binop): Pass next_methods rather than methods
598 to expand_doubleword_shift.
600 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
603 * tree.h (dump_addr): Declare.
604 * print-tree.c (dump_addr): New function.
605 (print_node_brief, print_node): Use it.
606 * print-rtl.c (print_rtx): Likewise.
607 * common.opt (-fdump-noaddr): New option.
608 * doc/invoke.texi (-fdump-noaddr): Document.
609 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
610 (ve_info_hash): Likewise.
612 2006-07-13 Andrew Haley <aph@redhat.com>
614 PR tree-optimization/19505
615 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
616 edge leaving this block, make sure that the destination of this
617 block has only one predecessor.
619 2006-07-17 Richard Guenther <rguenther@suse.de>
621 PR tree-optimization/28238
622 * tree-inline.c (copy_bb): Check if we produced valid
623 gimple copying and substituting a stmt. If not, gimplify
626 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
628 * optabs.c (maybe_encapsulate_block): New function extracted from...
629 (emit_libcall_block): ...here. Invoke it on the block of insns to
630 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
631 (emit_no_conflict_block): Likewise.
633 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
635 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
637 2006-07-15 Roger Sayle <roger@eyesopen.com>
639 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
640 a new NOP_EXPR case of the switch statement.
642 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
645 * stor-layout.c (place_field): Take the bit field with
646 an excessive size into account in the ms-bitfiled case.
649 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
650 the previous bit field.
652 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
655 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
657 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
659 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
660 signal frames correctly even when the signal was installed with
663 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
665 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
666 (dbxout_function_end): Use local label LFBB. Remove hook
668 (dbxout_source_line): Use local label LFBB.
669 (dbxout_block): Likewise.
670 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
671 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
672 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
675 2006-07-13 Janis Johnson <janis187@us.ibm.com>
677 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
679 2006-07-13 Jan Hubicka <jh@suse.cz>
681 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
683 * output.h (align_variable): Declare.
684 * varasm.c (align_variable): Export.
685 * value-prof.c (tree_value_profile_transformations): Recompute iterator
686 when basic block changed.
688 2006-07-13 Nick Clifton <nickc@redhat.com>
690 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
691 walking the LOG_LINKS chain.
693 2006-07-12 Geoffrey Keating <geoffk@apple.com>
695 * doc/invoke.texi (C++ Dialect Options): Explain difference
696 between -fvisibility-inlines-hidden and setting hidden
697 visibility explicitly.
699 2006-07-12 Eric Christopher <echristo@apple.com>
701 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
702 (stmp-lipo): Depend on libgcc.a.
704 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
706 * tree.c: Fix a comment typo.
708 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
710 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
712 (umulhisi3_r): Likewise.
714 2006-07-12 Paolo Carlini <pcarlini@suse.de>
717 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
718 x < 19, vs wchar_t support.
720 2006-07-12 Nick Clifton <nickc@redhat.com>
722 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
725 2006-07-12 Mike Stump <mrs@apple.com>
727 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
729 2006-07-10 Eric Christopher <echristo@apple.com>
731 * config/t-slibgcc-darwin: Rewrite.
733 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
736 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
739 2006-07-08 Matthias Klose <doko@debian.org>
741 * doc/sourcebuild.texi: Fix typo.
743 2006-07-07 Mike Stump <mrs@apple.com>
745 * toplev.c (process_options): Don't give -ffunction-sections may
746 affect debugging warning for Mach-O.
748 2006-07-07 James E Wilson <wilson@specifix.com>
750 * config/mips/mips.md (cpu): Add sb1a.
751 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
752 addition to sb1. Adjust comments to clarify SB-1A differences from
754 (ir_sb1a_load): New. Modify bypasses to use it.
755 (ir_sb1a_simple_alu): Likewise.
756 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
757 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
758 (mips_issue_rate): Add PROCESSOR_SB1A.
759 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
760 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
761 (TARGET_SB1): Add PROCESSOR_SB1A check.
762 (TUNE_SB1): Likewise.
764 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
765 * config/mips/mips.c (mips_store_data_bypass_p): New.
766 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
769 2006-07-08 Paul Brook <paul@codesourcery.com>
772 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
774 2006-07-07 Richard Guenther <rguenther@suse.de>
777 * tree.h (build_one_cst): Declare.
778 * tree.c (build_one_cst): New function.
779 * tree-ssa-math-opts.c (get_constant_one): Remove.
780 (insert_reciprocals): Use build_one_cst.
781 * fold-const.c (fold_plusminus_mult): Likewise.
783 2006-07-07 Roger Sayle <roger@eyesopen.com>
785 * pointer-set.c (pointer_set_destroy): Correct whitespace.
786 * cfgloopanal.c (dump_graph): Likewise.
787 * dojump.c (discard_pending_stack_adjust): Likewise.
788 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
790 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
791 * function.c (finalize_block_changes): Likewise.
792 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
793 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
794 * rtl.c (dump_rtx_statistics): Likewise.
795 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
797 * varray.c (dump_varray_statistics): Likewise.
798 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
799 decode_decimal64, encode_decimal128, decode_decimal128,
800 decimal_real_to_decimal): Likewise.
802 2006-07-07 Richard Guenther <rguenther@suse.de>
804 PR tree-optimization/28187
805 * tree-vrp.c (vrp_operand_equal_p): New function.
806 (vrp_bitmap_equal_p): Likewise.
807 (update_value_range): Use them to compare old and new
810 2006-07-06 Roger Sayle <roger@eyesopen.com>
812 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
813 a default case to switch statement to silence compiler warnings.
815 2006-07-06 Roger Sayle <roger@eyesopen.com>
818 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
819 the configured assembler supports the x87's ffreep mnemonic.
820 * configure: Regenerate.
821 * config.in: Regenerate.
823 * config/i386/i386.c (output_387_ffreep): New function.
824 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
825 (output_387_reg_move): Likewise.
827 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
829 Port to hosts whose 'sort' and 'tail' implementations
830 treat operands with leading '+' as file names, as POSIX
831 has required since 2001. However, make sure the code still
832 works on pre-POSIX hosts.
833 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
834 which says you should use "tail -c +N" rather than "tail +Nc".
835 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
837 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
839 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
842 2006-07-06 David Edelsohn <edelsohn@gnu.org>
845 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
846 PRE_{INC,DEC} of TFmode.
848 2006-07-06 David Edelsohn <edelsohn@gnu.org>
849 Alan Modra <amodra@bigpond.net.au>
852 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
855 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
858 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
859 Remove duplicate gtu.
861 2006-07-05 Jason Merrill <jason@redhat.com>
865 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
866 * c-common.c (handle_packed_attribute): So don't copy it here.
867 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
869 2006-07-05 Mike Stump <mrs@apple.com>
871 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
873 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
876 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
878 2006-07-05 Richard Guenther <rguenther@suse.de>
881 * config/i386/i386.md (*negdf2_1): Restrict pattern to
882 TARGET_SSE2 targets if using SSE math.
883 (*absdf2_1): Likewise.
885 2006-07-05 Richard Guenther <rguenther@suse.de>
887 PR tree-optimization/28162
888 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
889 make sure to convert the operands to the correct type.
891 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
893 PR tree-optimization/28218
895 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
896 to calculate and free the dominator information.
898 2006-07-04 Peter O'Gorman <peter@pogma.com>
900 * mklibgcc.in: chmod 644 before ranlib during install.
902 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
903 J"orn Rennecke <joern.rennecke@st.com>
905 * configure.ac (.eh_frame data check): Use diff -b.
907 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
910 * Makefile.in (BUILD_RTL): Add build/vec.o.
911 (build/gencondmd.o): Filter out -fkeep-inline-functions.
912 (build/genextract): Delete.
913 (build/genautomata): Likewise.
915 2006-07-04 Alan Modra <amodra@bigpond.net.au>
918 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
919 128-bit IBM long doubles for ABI_V4.
921 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
923 * tree.c (range_in_array_bounds_p): New predicate.
924 * tree.h (range_in_array_bounds_p): Declare it.
925 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
926 return a less conservative answer.
927 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
929 (IS_ELEMENT_FOR_GROUP): New macro.
930 (FOR_EACH_ACTUAL_CHILD): Likewise.
931 (next_child_for_group): New helper function.
932 (can_completely_scalarize_p): Take into account groups.
933 (sra_hash_tree): Handle RANGE_EXPR.
934 (sra_elt_eq): Likewise.
935 (lookup_element): Be prepared for handling groups.
936 (is_valid_const_index): Delete.
937 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
938 instead of is_valid_const_index.
939 <ARRAY_RANGE_REF>: New case.
940 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
941 is_valid_const_index.
942 <ARRAY_RANGE_REF>: Do not unconditionally punt.
943 (scan_dump): Dump info for groups too.
944 (decide_instantiation_1): Likewise.
945 (decide_block_copy): Assert that the element is not a group.
946 Propagate decision to groups.
947 (generate_one_element_ref): Handle RANGE_EXPR.
948 (mark_no_warning): Iterate over actual childs.
949 (generate_copy_inout): Likewise.
950 (generate_element_copy): Likewise.
951 (generate_element_zero): Likewise.
952 (generate_element_init_1): Likewise.
953 (dump_sra_elt_name): Handle RANGE_EXPR.
955 2006-07-03 Roger Sayle <roger@eyesopen.com>
957 PR tree-optimization/26251
958 * tree-ssa-threadupdate.c (redirection_block_p): New function.
959 (thread_block): When optimizing for size refuse to thread jumps
960 that would require duplication of blocks other than redirection
963 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
965 * configure.ac: Fix thinko in previous check-in.
966 * configure: Regenerate.
968 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
971 * configure.ac (for lang...): Simplify nesting of conditionals.
972 Test subdir_requires for non-enabled languages. Move processing
973 of lang_opt_files and lang_tree_fiels below that test.
974 * configure: Regenerate.
975 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
977 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
979 * doc/gcov.texi (Invoking Gcov): Add a missing word.
981 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
983 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
986 2006-06-29 Jason Merrill <jason@redhat.com>
993 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
994 * c-common.c (c_determine_visibility): Handle it here.
995 * c-decl.c (finish_decl): Call c_determine_visibility for
997 * flags.h (enum symbol_visibility): Sort from most to least visibility.
999 * varasm.c (default_assemble_visibility): Likewise.
1000 * c-common.c (handle_visibility_attribute): Complain about trying
1001 to give visibility to an already defined class, or trying to change
1002 declared visibility. Always attach the attribute.
1007 * attribs.c (decl_attributes): Ignore type-in-place attributes
1008 once the type has been defined.
1010 2006-06-29 Roger Sayle <roger@eyesopen.com>
1013 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1014 to indicate the cpplib has issued an error message for us.
1016 2006-06-29 Asher Langton <langton2@llnl.gov>
1019 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1020 insert a label at the end of an function under Mach-O.
1022 2006-06-29 Eric Christopher <echristo@apple.com>
1023 Evan Cheng <evan.cheng@apple.com>
1025 * predicates.md (vector_all_ones_operand): New.
1026 (nonimmediate_or_sse_const_operand): Ditto.
1027 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1028 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1029 (standard_sse_mode_p): Ditto.
1030 (standard_sse_constant_p): Add case for -1 vector.
1031 (ix86_expand_vector_move): Try to use.
1032 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1033 Call standard_sse_constant_opcode.
1034 (*movv4sf_internal): Ditto.
1035 (*movv2df_internal): Ditto.
1037 2006-06-29 Roger Sayle <roger@eyesopen.com>
1039 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1040 of XEXP to extract the operands of a MATCH_CODE rtx.
1042 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1044 * tree.c (tree_size): Do not waste tail padding in
1045 struct tree_string and make the size be the same as
1046 build_string will generate.
1048 2006-06-28 Jason Merrill <jason@redhat.com>
1051 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1052 may_aliases already in the tag's annotations to the bitmap.
1054 2006-06-28 Roger Sayle <roger@eyesopen.com>
1056 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1058 2006-06-28 Roger Sayle <roger@eyesopen.com>
1060 * genpreds.c (generate_switch_p): New function.
1061 (add_mode_tests): Push the new mode test down inside an AND expr
1062 if this allows the switch-suitable MATCH_CODE to be near the root.
1063 (write_match_code_switch): New function to write a MATCH_CODE as
1065 (write_predicate_stmts): New function to write a predicate RTX
1066 expression as a sequence of statements.
1067 (write_one_predicate_function): Use write_predicate_stmts.
1068 (write_tm_constrs_h): Likewise.
1070 2006-06-26 Fred Fish <fnf@specifix.com>
1072 * config/mips/t-sb1: New file.
1073 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1076 2006-06-26 DJ Delorie <dj@redhat.com>
1078 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1080 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1081 Jayant Sonar <jayants@kpitcummins.com>
1082 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1084 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1085 (subsi3, subsi3_1, subsi3_2): New.
1086 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1087 * config/m32c/mov.md (SI mov peephole): New.
1088 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1089 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1091 2006-06-26 Olivier Hainque <hainque@adacore.com>
1093 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1094 a CALL_EXPR target function declaration.
1096 2006-06-26 Richard Guenther <rguenther@suse.de>
1098 * tree.c (build_string): Do not waste tail padding in
1101 2006-06-26 Richard Guenther <rguenther@suse.de>
1103 * ggc-page.c (init_ggc): Add missing element to size_lookup
1107 2006-06-23 Richard Guenther <rguenther@suse.de>
1109 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1110 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1111 alignment requests instead. Add verification code.
1112 Add struct tree_function_decl and struct tree_binfo size to
1113 extra_order_size_table. Add missing element to size_lookup
1116 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1119 * fold-const.c (const_binop): Be prepared for self returning zero.
1120 Simplify code handling complex values.
1122 2006-06-24 Olivier Hainque <hainque@adacore.com>
1124 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1125 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1128 2006-06-24 Olivier Hainque <hainque@adacore.com>
1130 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1131 ARRAY_REF, so have the callback called for the low bound expression.
1133 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1135 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1136 * c-typeck.c (c_common_type): Disallow operations on decimal float
1137 types and other float types.
1138 * convert.c (convert_to_real): Don't ignore conversions involving
1139 decimal float types.
1141 2006-06-23 Olivier Hainque <hainque@adacore.com>
1143 * tree.c (max_int_size_in_bytes): New function, inspired from
1144 code in function.c:assign_temp.
1145 * tree.h (max_int_size_in_bytes): Declare.
1146 * function.c (assign_temp): Use it.
1147 * gimplify.c (create_tmp_var): Relax the assertions on the type
1148 properties, not mandating constant size any more.
1149 (force_constant_size): New static function.
1150 (gimple_add_tmp_var): Use it, forcing variable size to a
1151 constant upper bound if it is not constant on entry.
1153 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1156 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1157 for initialization and setting of one_only flag to ...
1158 (i386_pe_encode_section_info): ...here.
1159 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1160 Recheck that the symbol has not been defined.
1162 2006-06-23 Richard Guenther <rguenther@suse.de>
1164 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1165 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1166 alignment requests instead. Add verification code.
1167 Add struct tree_function_decl and struct tree_binfo size to
1168 extra_order_size_table. Add missing element to size_lookup
1171 2006-06-22 Roger Sayle <roger@eyesopen.com>
1172 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1175 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1176 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1178 2006-06-23 Ben Elliston <bje@au.ibm.com>
1180 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1181 negate dn -- manipulate it directly.
1183 2006-06-22 Roger Sayle <roger@eyesopen.com>
1184 Steven Bosscher <stevenb.gcc@gmail.com>
1187 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1188 generated by gen_move_insn to add REG_LABEL notes if necessary.
1190 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1192 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1193 (leaf_entry): Remove use of MIN_ESA.
1195 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1197 PR rtl-optimization/28121
1198 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1201 2006-06-21 DJ Delorie <dj@redhat.com>
1203 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1205 (mulhisi3_r): Likewise.
1207 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1210 * coverage.c (coverage_counter_alloc): Leave the index type
1212 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1215 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1217 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1218 section from the "Options for Code Generation Conventions".
1220 2006-06-21 Richard Henderson <rth@redhat.com>
1224 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1226 (global_symbolic_operand): Allow weak symbols, even if local_p.
1228 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1230 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1231 (find_interesting_uses_address): Punt if above function returns true.
1233 2006-06-21 Richard Guenther <rguenther@suse.de>
1235 * configure: Regenerated.
1237 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1239 * config/mips/mips.c (function_arg): Where one part of a
1240 complex argument is in registers and the other part in the stack,
1241 return a REG not a PARALLEL.
1243 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1245 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1246 when cross-compiling. Do not substitute libstdcxx_incdir.
1247 * configure: Regenerated.
1249 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1251 * varasm.c (mergeable_string_section): Check for embedded NULs and
1252 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1253 rather than TREE_STRING_LENGTH bytes.
1255 2006-06-21 Richard Guenther <rguenther@suse.de>
1257 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1258 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1261 2006-06-21 Richrad Guenther <rguenther@suse.de>
1263 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1264 Limit iteration over the dominators.
1266 2006-06-20 Roger Sayle <roger@eyesopen.com>
1268 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1269 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1271 2006-06-20 Richard Guenther <rguenther@suse.de>
1272 Michael Matz <matz@suse.de>
1274 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1276 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1277 * et-forest.h (et_free_pools): Prototype new function.
1278 * et-forest.c (et_free_tree_force): Free parent occurrence.
1279 (et_free_pools): New function.
1280 * dominance.c (free_dominance_info): Free et-forest alloc
1283 2006-06-20 Roger Sayle <roger@eyesopen.com>
1285 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1286 integer modes, attempt to directly construct an integer constant.
1288 * fold-const.c (native_encode_vector): Determine the size of each
1289 element from the vector type instead of the first vector element.
1291 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1292 if all of its elements/components are constant.
1293 (build_constructor_from_list): Likewise.
1295 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1297 PR tree-optimization/27331
1298 * tree-data-ref.c (free_data_ref): New function.
1299 (create_data_ref): Fail if the data reference has unknown access
1301 (free_data_refs): Use free_data_ref.
1303 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1306 * tree-inline.c (setup_one_parameter): Strip useless
1307 type conversion before adding it to the IR.
1308 (declare_return_variable): Likewise.
1310 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1313 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1315 2006-06-19 Mike Stump <mrs@apple.com>
1317 * tree.c (variably_modified_type_p): VM arguments don't make the
1320 2006-06-19 Richard Guenther <rguenther@suse.de>
1322 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1323 type conversions after folding.
1325 2006-06-19 Richard Guenther <rguenther@suse.de>
1327 * ggc-page.c (extra_order_size_tab): Add entries with
1328 size of struct function and basic_block.
1329 (size_lookup): Extend to cover sizes up to 511.
1330 (ggc_alloc_stat): Adjust user.
1331 (ggc_pch_count_object): Likewise.
1332 (ggc_pch_alloc_object): Likewise.
1333 (ggc_pch_write_object): Likewise.
1335 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1337 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1338 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1341 2006-06-19 Denis Chertykov <denisc@overta.ru>
1343 * config/avr/libgcc.S : Correct my wrong previous commit.
1345 2006-06-19 Roger Sayle <roger@eyesopen.com>
1348 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1349 have stripped a SUBREG from the shift count, so we may need to
1350 convert_to_mode back to the type's mode before calling make_tree.
1351 Use new_amount instead of amount to avoid expanding a tree twice.
1353 2006-06-19 Richard Guenther <rguenther@suse.de>
1356 * fold-const.c (operand_equal_p): Check if the argument types
1357 have the same precision before stripping NOPs.
1359 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1361 Fix PR tree-optimization/27341
1362 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1364 * tree-complex.c (pass_lower_complex): Update SMT usage.
1366 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1368 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1369 Add a new alternative to the constraint strings. Add move of
1370 operand 1 to 3 to the splitter definition.
1371 ("doloop_si_long"): Second contraint alternative removed.
1373 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1375 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1376 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1378 (AVR_HAVE_MOVW) Define.
1379 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1380 (ASM_SPEC): Add avr25.
1381 (LINK_SPEC): Add avr25.
1382 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1383 (base_arch_s): Add new member 'have_movw_lpmx'.
1384 (avr_arch_types): Init 'have_movw_lpmx'.
1385 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1386 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1387 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1388 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1389 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1391 (avr_file_start): Do not output '.arh' derective.
1392 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1393 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1394 * config/avr/avr.md (mcu_enhanced): Delete.
1395 (mcu_have_movw): Define.
1396 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1397 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1398 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1399 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1400 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1401 attiny861 and at86rf401 devices.
1403 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1405 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1408 2006-06-17 Karl Berry <karl@gnu.org>
1410 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1411 doc/gccint.texi, doc/install.texi (@dircategory): Use
1412 "Software development" instead of "Programming", following
1413 the Free Software Directory.
1415 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1417 * config/i386/i386.c (legitimate_tls_address)
1418 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1419 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1420 (*tls_dynamic_gnu2_combine_64): Likewise.
1422 2006-06-16 Richard Guenther <rguenther@suse.de>
1425 * fold-const.c (negate_expr_p): Do not introduce undefined
1426 overflow in negating INTEGER_CSTs.
1427 (fold_negate_expr): Rename from negate_expr. Revert last
1428 change for folding BIT_NOT_EXPR. Change semantics to
1429 return NULL_TREE for non-simplified negations. Do not
1430 strip type conversions and unify type handling.
1431 (negate_expr): New function, wrap around fold_negate_expr
1432 but ensure building a tree always. Strip type conversions
1433 here, fold to result type.
1434 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1436 2006-06-16 Roger Sayle <roger@eyesopen.com>
1439 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1440 that (would) return their results in stack registers.
1442 2006-06-16 Michael Matz <matz@suse.de>
1443 Richard Guenther <rguenther@suse.de>
1445 * fold-const.c (fold_truthop): Only return new tree node if
1446 we canonicalized something.
1448 2006-06-16 Richard Guenther <rguenther@suse.de>
1450 * function.h (enum function_frequency): Move declaration
1451 out of struct function.
1452 (struct function): Move bool fields and the enum to the bitfield
1453 section. Reorder elements to avoid padding. Remove unused
1454 fields left over from the RTL inliner removal.
1455 * function.c (free_after_compilation): Do not zero removed fields.
1456 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1457 (ipa-type-escape.o): Likewise.
1459 2006-06-16 Richard Guenther <rguenther@suse.de>
1461 * cgraph.h (struct cgraph_local_info): Turn bool elements
1463 (struct cgraph_node): Likewise.
1464 (struct cgraph_varpool_node): Likewise.
1466 2006-06-15 Richard Guenther <rguenther@suse.de>
1468 * fold-const.c (fold_truth_not_expr): Rename from
1469 invert_truthvalue. Give it fold_* semantics to avoid
1471 (invert_truthvalue): New function. Wrapper around
1472 fold_truth_not_expr.
1473 (optimize_minmax_comparison): Avoid creating garbage.
1474 (fold_unary): Use fold_truth_not_expr for folding
1476 (fold_ternary): Replace uses of invert_truthvalue with
1477 fold_truth_not_expr where applicable.
1478 * tree.h (fold_truth_not_expr): Prototype.
1480 2006-06-16 Richard Guenther <rguenther@suse.de>
1482 PR tree-optimization/27781
1483 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1484 * ipa-pure-const.c (target.h): Include.
1485 (analyze_function): Do not analyze functions that do not
1488 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1491 * tree-dfa.c (referenced_vars_dup_list): Remove.
1492 (find_referenced_vars): Remove assert.
1493 (referenced_var_check_and_insert): Replace dup list with assert.
1494 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1495 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1497 2006-06-15 Richard Guenther <rguenther@suse.de>
1499 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1500 extra unused identifiers if not dumping.
1501 (create_variable_info_for): Likewise.
1503 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1505 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1506 (derive_constant_upper_bound): Derive more precise upper bound in
1507 common cases. Return type changed to double_int.
1508 (record_estimate): Reflect the changed return type of
1509 derive_constant_upper_bound.
1510 * double-int.c (double_int_zext, double_int_sext): Fix.
1512 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1514 * configure.ac (CFLAGS): Get them from the toplevel or from the
1515 configure invocation.
1516 * configure: Regenerate.
1517 * Makefile.in (CFLAGS): Substitute value provided by configure.
1519 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1522 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1523 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1524 rather than calling add_stmt on it.
1525 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1527 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1530 * reload1.c (reload): Remove registers returned by update_eliminables
1531 from used_spill_regs.
1533 2006-06-13 DJ Delorie <dj@redhat.com>
1535 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1537 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1539 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1540 html__strip_dir, html__mkdir_p. Enhance install-html target.
1541 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1542 * configure: Regenerate.
1544 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1546 * fold-const.c (fold_cond_expr_with_comparison): Check for
1547 Objective-C++ as language in deciding COND_EXPR transformation.
1549 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1552 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1553 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1554 * config/sh/lib1funcs.h (SL, SL1): Define.
1555 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1556 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1557 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1558 (OBJS_Os_4_200): New variable.
1559 ($(T)libgcc-Os-4-200.a): Use it.
1560 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1561 when dividing 1 and/or by 0.
1563 2006-06-13 Roger Sayle <roger@eyesopen.com>
1565 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1566 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1567 * configure: Regenerate.
1569 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1571 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1572 for real instruction.
1574 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1577 * haifa-sched.c (check_cfg): Handle special case.
1579 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1582 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1583 Add debug_info parameter. Chain the vars to the BLOCK instead
1584 of the BIND_EXPR if debug info are requested for them.
1585 (pop_gimplify_context): Adjust for above change.
1586 (gimple_add_tmp_var): Likewise.
1587 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1589 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1590 (convert_local_reference): Likewise.
1591 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1592 (finalize_nesting_tree_1): Request that debug info be emitted
1593 for debug_var_chain.
1595 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1597 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1598 for PR target/27863.
1600 2006-06-13 Richard Guenther <rguenther@suse.de>
1603 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1605 2006-06-13 Richard Guenther <rguenther@suse.de>
1607 PR tree-optimization/27830
1608 * tree-inline.c (copy_body_r): For copying the operand
1609 of an ADDR_EXPR make sure to fold &* afterwards.
1611 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1613 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1614 lvalues in the fb_none case with side-effects.
1616 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1618 * tree-flow.h: Remove the prototype for
1619 compute_phi_arg_on_exit.
1620 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1621 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1624 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1626 * builtins.c (expand_builtin_return_addr): Only use
1627 frame_pointer_rtx when count == 0 and we are expanding
1628 __builtin_return_address.
1630 2006-06-12 Fred Fish <fnf@specifix.com>
1632 * config/mips/mips.c (mips_file_start): Create special section
1633 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1635 2006-06-11 Eric Christopher <echristo@apple.com>
1638 * stor-layout.c (place_field): Remove check for
1639 remaining_in_alignment when aligning at the end of a run.
1641 2006-06-11 Eric Christopher <echristo@apple.com>
1644 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1647 2006-06-11 Roger Sayle <roger@eyesopen.com>
1650 Revert incorrect fix for PR target/27158
1651 2006-05-08 Roger Sayle <roger@eyesopen.com>
1652 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1653 of a reg_equiv_constant if the result is a legitimate constant.
1655 2006-06-11 Roger Sayle <roger@eyesopen.com>
1658 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1659 extract a CONST_VECTOR element and interpret it as an integer.
1660 (vspltis_constant): Use const_vector_elt_as_int instead of the
1661 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1662 * config/rs6000/predicates.md (easy_vector_const): Consider
1663 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1665 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1668 * stor-layout.c (update_alignment_for_field): Don't add extra
1669 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1672 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1674 * config/mips/t-rtems: Add EL/EB multilib variants.
1676 2006-06-09 Mike Stump <mrs@apple.com>
1678 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1680 2006-06-09 David Daney <ddaney@avtrex.com>
1682 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1684 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1686 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1688 2006-06-09 Richard Guenther <rguenther@suse.de>
1690 PR tree-optimization/26998
1691 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1692 of signed types, only TYPE_MIN_VALUE is special, but for both,
1693 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1694 in this case, as is -fwrapv.
1696 2006-06-08 Mike Stump <mrs@apple.com>
1699 * config/darwin.c (darwin_asm_output_anchor): Disable
1700 -fsection-anchors on darwin for now.
1701 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1702 * rs6000/rs6000.c (optimization_options): Likewise.
1704 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1707 * config/i386/i386.c (classify_argument): Skip fields with invalid
1710 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1712 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1713 (cse_insn): Likewise for the stack_pointer_rtx.
1715 2006-06-08 Roger Sayle <roger@eyesopen.com>
1717 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1718 conditions from floating point comparisons.
1720 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1723 * expmed.c (struct alg_hash_entry): Fix type of field T
1724 to match synth_mult argument.
1725 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1727 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1730 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1733 2006-06-08 Richard Guenther <rguenther@suse.de>
1736 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1737 only, if overflow is defined and not trapping.
1738 (negate_expr): Likewise.
1740 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1742 PR tree-optimization/27872
1743 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1744 flag on the new exit edge of the unrolled loop.
1746 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1748 PR rtl-optimization/26449
1749 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1751 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1754 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1755 referenced_variables with matching DECL_UID's.
1756 (find_referenced_vars): Make sure duplicate list is empty to start.
1757 (referenced_var_p): Remove.
1758 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1759 Check if var is in the list, and add if needed. Update the duplicate
1760 list if a different var is in the list with the same DECL_UID.
1761 (add_referenced_var): Call routine to check and insert.
1762 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1763 * tree-flow.h (referenced_vars_dup_list): External declaration.
1765 2006-06-07 Fred Fish <fnf@specifix.com>
1767 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1770 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1773 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1774 the imaginary and real parts of a clobbered register.
1775 Emit insn to set the imaginary part.
1777 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1779 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1780 in lieu of unwind-dw2-fde.c.
1782 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1784 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1786 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1789 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1790 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1791 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1792 V4SImode temporaries and operations instead.
1794 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1796 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1799 2006-06-06 Mike Stump <mrs@apple.com>
1801 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1802 installing during build.
1804 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1806 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1808 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1809 * config/ia64/ia64.c (params.h): New header.
1810 (ia64_optimization_options): New function to adjust parameters.
1811 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1812 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1813 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1815 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1817 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1819 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1822 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1824 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1825 Victor Kaplansky <victork@il.ibm.com>
1827 PR tree-optimization/26360
1828 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1831 2006-06-04 Roger Sayle <roger@eyesopen.com>
1832 Andrew Pinski <pinskia@physics.uc.edu>
1835 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1836 for LABEL_DECL before calling DECL_WEAK.
1839 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1840 LABEL_DECL and PARM_DECL.
1842 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1846 * c-decl.c (grokdeclarator): Disallow variably modified types at
1847 file scope. Avoid marking shared array type of constant size as
1850 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1853 * c-common.c (fold_offsetof_1): Handle static members.
1855 2006-06-04 Eric Christopher <echristo@apple.com>
1857 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1858 (debug_rli): Output value for remaining_in_alignment.
1859 (update_alignment_for_field): Unconditionalize
1860 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1861 extra alignment code.
1862 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1863 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1864 * tree.h (record_layout_info_s): Remove prev_packed.
1865 * doc/extend.texi (ms_struct): Add documentation of format.
1867 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1869 * tree.h: Declare folding_initializer.
1870 * builtins.c (fold_builtin_constant_p): Give definite answer
1871 if folding inside an initializer.
1872 * fold-const.c: Define folding_initializer.
1873 (START_FOLD_INIT): Save and then set folding_initializer.
1874 (END_FOLD_INIT): Restore folding_initializer.
1876 2006-06-04 Richard Guenther <rguenther@suse.de>
1878 PR tree-optimization/27039
1879 * fold-const.c (fold_comparison): Handle pointer comparison
1880 again for all comparison codes. Compare offsets in signed
1882 (fold_binary): Move code from here.
1884 2006-06-03 Roger Sayle <roger@eyesopen.com>
1887 * config/i386/i386.c (construct_container): Split static issued_error
1888 flag into issued_sse_arg_error, issued_sse_ret_error and
1889 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1890 requires the use of x87 registers and the user explicitly
1891 specified the -mno-80387 command line option.
1893 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1895 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1896 HAVE_DECL_SIGALTSTACK.
1898 (segv_handler): Use MC_FLD.
1899 * configure.ac: Check for a sigaltstack declaration.
1900 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1901 * configure: Regenerate.
1902 * config.in: Regenerate.
1904 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1907 * Makefile.in (stmp-fixinc): Fix typo.
1909 2006-06-02 Roger Sayle <roger@eyesopen.com>
1911 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1912 are type correct. Clean-up.
1913 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1914 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1916 2006-06-01 DJ Delorie <dj@redhat.com>
1918 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1919 shift, as we've disabled the "switch" insn that needs it.
1921 2006-06-01 Per Bothner <bothner@bothner.com>
1923 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1924 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1925 * c-ppoutput.c (cb_define): Don't increment line 0.
1927 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1929 * doc/invoke.texi: Add cpu_type power6.
1930 * config.gcc: Add cpu_type power6.
1931 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1932 to power5+ with Altivec.
1933 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1934 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1936 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1938 * config/avr/avr.h (SET_ASM_OP): Define.
1940 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1942 * config/bfin/bfin.c: Fix comment typos.
1944 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1947 * doc/install.texi: Document --enable-bootstrap and
1948 --disable-bootstrap.
1950 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1952 * doc/install.texi: Document that InfoZIP can replace jar.
1954 2006-05-31 Roger Sayle <roger@eyesopen.com>
1956 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1957 isn't available, directly generate the simpler x87 patterns without
1958 the (use (const_int 0)).
1959 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1960 implementation isn't available.
1961 (*negdf2_1): Likewise.
1962 (*negxf2_1): XF mode negation is always done using the x87.
1963 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1965 2006-05-31 Roger Sayle <roger@eyesopen.com>
1967 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1968 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1970 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1972 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1974 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1975 * config/bfin/bfin.c (basic-block.h): Include.
1976 (struct machine_function): New.
1977 (bfin_init_machine_status): New.
1978 (override_options): Initialize init_machine_status.
1979 (bfin_hardware_loop): New.
1980 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1981 (DEF_VEC_P (loop_info)): New.
1982 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1983 (struct loop_info): New.
1984 (loop_info): New typedef.
1985 (struct loop_work): New.
1986 (loop_work): New typedef.
1987 (DEF_VEC_O (loop_work)): New.
1988 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1989 (bfin_dump_loops): New.
1990 (bfin_bb_in_loop): New.
1991 (bfin_scan_loop): New.
1992 (bfin_optimize_loop): New.
1993 (bfin_reorg_loops): New.
1994 (bfin_reorg): Use bfin_reorg_loops.
1995 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1997 (I_REGNO_P): Simplify.
1998 (DP_REGNO_P, DPREG_P): New macros.
1999 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2000 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2001 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2002 Add LT_REGS, LC_REGS, LB_REGS.
2003 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2005 (REGNO_REG_CLASS): Deal with loop registers.
2006 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2008 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2009 New constants for loop registers.
2010 (UNSPEC_LSETUP_END): New.
2011 (seq_insns): New define_attr. Set it for appropriate insns.
2012 (movsi_insn): Add alternatives for move from/to
2013 loop count registers.
2014 (doloop_end): New define_expand.
2015 (loop_end): New define_insn.
2016 (define_split for bad doloop_end): New.
2017 (lsetup_with_autoinit): New define_insn.
2018 (lsetup_without_autoinit): New define_insn.
2019 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2020 * config/bfin/predicates.md (lc_register_operand): New.
2021 (lt_register_operand): New.
2022 (lb_register_operand): New.
2023 (nondp_register_operand): New.
2024 (nondp_reg_or_memory_operand): New.
2025 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2027 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2029 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2030 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2032 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2034 * Makefile.in (CATALOGS): Add po/ prefix.
2035 * configure: Regenerated.
2037 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2040 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2041 a shift operand before calling shift_op. Avoid redundant call of
2044 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2045 DJ Delorie <dj@redhat.com>
2047 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2048 we're inserting is a singlt-bit constant.
2050 2006-05-30 Roger Sayle <roger@eyesopen.com>
2052 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2053 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2055 2006-05-30 Roger Sayle <roger@eyesopen.com>
2057 PR tree-optimization/23452
2058 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2059 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2060 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2061 complex values and with -ffast-math for FP complex values.
2063 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2065 * c-common.h: Remove the prototype for yyparse.
2066 * rtl.h: Remove the prototype for init_loop.
2068 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2070 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2073 2006-05-30 Roger Sayle <roger@eyesopen.com>
2075 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2077 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2078 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2080 2006-05-30 Dirk Mueller <dmueller@suse.de>
2083 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2084 for CONSTANT_CLASS_P expresisons.
2086 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2089 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2091 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2093 PR tree-optimization/27779
2094 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2095 initial_condition instead of CHREC_LEFT.
2097 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2099 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2100 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2101 Make prototypes ISO C90.
2103 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2104 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2106 * see.c (see_analyze_one_def): Correct check.
2107 (see_get_extension_data): Check if extension is parallel.
2108 (see_get_extension_reg): Likewise.
2110 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2113 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2114 into register for (code == GTU).
2116 2006-05-29 Roger Sayle <roger@eyesopen.com>
2118 PR tree-optimization/24964
2119 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2120 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2121 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2122 abs(x)*abs(x) as x*x for scalar floating point modes.
2124 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2127 * lambda-code.c (perfect_nestify): Don't copy statements
2128 in the inner loop: move them to the inner loop header.
2130 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2133 * c-tree.texi: Document OpenMP directives and clauses.
2135 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2137 * varasm.c (globalize_decl): Fix indentation.
2139 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2142 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2143 pass_fre, pass_store_ccp, pass_copy_prop,
2144 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2145 pass_return_slot, pass_object_size, pass_lim,
2146 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2147 pass_loop_prefetch and pass_stdarg.
2149 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2151 * config/bfin/bfin.opt (mfdpic): New option.
2152 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2153 (EXTRA_MULTILIB_PARTS): Likewise.
2154 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2155 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2157 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2158 (CRT_CALL_STATIC_FUNCTION): New.
2159 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2161 (CRT_CALL_STATIC_FUNCTION): New.
2162 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2164 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2165 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2166 (initialize_trampoline): Changed to handle FD-PIC code generation.
2167 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2168 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2169 (override_options): Disallow -mid-shared-library -mfdpic combination.
2170 Can't do unaligned ops if FD-PIC.
2171 Turn off flag_pic if trying to generate non-id-shared-library
2172 non-fdpic code, since it's not supported.
2173 (bfin_assemble_integer): New function.
2174 (TARGET_ASM_INTEGER): Define.
2175 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2177 * config/bfin/crtn.s: Restore them.
2178 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2180 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2181 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2182 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2183 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2184 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2186 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2187 FDPIC_REGS and FDPIC_FPTR_REGS.
2188 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2189 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2190 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2191 (load_funcdescsi): New pattern.
2192 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2193 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2194 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2196 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2198 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2201 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2203 * tree-flow.h: Remove the prototype for add_type_alias.
2204 * tree-ssa-alias.c (add_type_alias): Remove.
2206 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2208 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2209 config/fr30/fr30.md, config/i386/i386-interix.h,
2210 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2211 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2212 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2213 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2214 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2215 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2216 Follow spelling conventions.
2217 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2218 Follow spelling conventions.
2220 2006-05-27 Richard Guenther <rguenther@suse.de>
2223 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2224 to produce a constant of value 1 of generic type.
2226 2006-05-27 Dirk Mueller <dmueller@suse.de>
2228 * cgraphunit.c (decide_is_function_needed): Fix wrong
2231 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2233 PR rtl-optimization/27661
2234 * reload.c (find_reloads): When reloading a VOIDmode constant
2235 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2236 use Pmode as mode of the reload register.
2238 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2240 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2241 is enabled at -O and above.
2243 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2246 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2249 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2252 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2253 for anonymous variables explicitly declared by front ends.
2255 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2257 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2258 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2259 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2260 ref-all pointers, run a finalization pass for them.
2261 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2262 (finalize_ref_all_pointers): New function.
2263 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2264 regular pointer type to a ref-all pointer type.
2265 (get_tmt_for): Return the special memory tag for ref-all pointers.
2267 2006-05-25 Richard Guenther <rguenther@suse.de>
2270 * fold-const.c (fold_binary): Do not look at the stripped
2271 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2273 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2275 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2276 for LT and GT if the computed range is effectively empty.
2278 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2281 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2282 mips_quad_format formats instead of ieee_single_format,
2283 ieee_double_format and ieee_quad_format formats, respectively.
2285 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2287 PR tree-optimization/27639
2288 PR tree-optimization/26719
2289 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2290 call to scev_probably_wraps_p.
2291 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2292 used_in_pointer_arithmetic_p, convert_step): Removed.
2293 (nowrap_type_p): New function.
2294 (scev_probably_wraps_p): Rewritten.
2295 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2296 chrec_convert if chrec_convert_aggressive might have been used.
2297 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2298 scev_direction): New functions.
2299 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2300 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2301 instead of convert_step.
2302 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2303 (convert_step): Declaration removed.
2304 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2306 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2308 * df-core.c: Added to header comments.
2309 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2310 df_ur_bb_info, df_urec_bb_info): Added comments.
2311 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2312 urec, ri problems): Fixed header comments.
2313 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2314 code from df_rd_transfer_function.
2316 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2318 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2319 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2320 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2322 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2324 * expr.c (undefined_operand_subword_p): New.
2325 (emit_move_multi_word): Do not generate move from undefined bits
2326 of a paradoxical subreg.
2328 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2330 PR rtl-optimization/27736
2331 * combine.c (replaced_rhs_value): New variable.
2332 (combine_instructions): Set it.
2333 (distribute_notes): When distributing a note in replaced_rhs_insn,
2334 check whether the value was used in replaced_rhs_value.
2336 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2339 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2340 add_referenced_var instead of add_referenced_tmp_var.
2341 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2342 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2344 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2345 tree_optimize_tail_calls_1): Use add_referenced_var.
2346 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2347 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2348 Use add_referenced_var.
2349 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2350 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2351 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2352 Use add_referenced_var.
2353 * tree-dfa.c (struct walk_state): Remove.
2354 (find_referenced_vars): Remove walk state and vars_found hash table.
2355 (make_rename_temp): Use add_referenced_var.
2356 (find_vars_r): Pass less parameters to add_referenced_var.
2357 (referenced_var_p): New. Is var in referenced_var hash table.
2358 (referenced_var_insert): Assert var isn't already in hash table.
2359 (add_referenced_var): Don't need walk_state parameter. Add var if it
2360 isn't already in the hash table.
2361 (add_referenced_tmp_var): Remove.
2362 (find_new_referenced_vars_1): Use add_referenced_var.
2363 * tree-ssa-pre.c (create_expression_by_pieces,
2364 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2365 Use add_referenced_var.
2366 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2367 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2368 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2370 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2371 vect_create_data_ref_ptr, vect_create_destination_var,
2372 vect_init_vector, vect_build_loop_niters,
2373 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2374 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2375 Use add_referenced_var.
2376 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2377 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2378 (add_referenced_var): Add prototype.
2379 * tree-ssa-structalias.c (get_constraint_for,
2380 intra_create_variable_infos): Use add_referenced_var.
2382 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2384 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2385 big-endian paradoxical subregs.
2386 * var-tracking.c (struct micro_operation_def): Document that,
2387 for modify micro operations, insn is the subsequent instruction.
2388 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2389 (var_reg_set, var_mem_set): ... new functions.
2390 (add_stores): Record subsequent insn.
2391 (compute_bb_dataflow): Use new functions for MO_USE.
2392 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2393 notes after the insn, and modify notes before the insn known
2394 to be the subsequent one.
2395 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2397 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2400 * config/i386/i386.c (ix86_expand_builtin): Use
2401 gen_sse3_monitor64 for TARGET_64BIT.
2403 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2405 PR rtl-optimization/26375
2406 PR rtl-optimization/26855
2407 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2409 (df_ru_bb_local_compute): Reversed statements and removed bogus
2410 comment explaining why they should be in wrong order.
2411 (df_ru_dump, df_rd_dump): Enhanced debug info.
2412 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2414 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2415 reaching uses and fixed space problem.
2417 2006-05-23 Jan Hubicka <jh@suse.cz>
2419 * cgraphunit.c (decide_is_function_needed): Also nested functions
2420 and functions declared inline can be optimized out at -O0.
2422 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2424 * doc/install.texi (Configuration): Remove reference to CrossGCC
2428 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2431 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2432 ix86_compare_emitted is non-NULL.
2434 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2437 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2440 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2442 PR rtl-optimization/25514
2443 * combine.c (replaced_rhs_insn): New variable.
2444 (combine_instructions): Set replaced_rhs_insn when trying to replace
2445 a SET_SRC with a REG_EQUAL note.
2446 (distribute_notes): Use replaced_rhs_insn when determining the live
2447 range of a REG_DEAD register.
2449 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2450 Anatoly Sokolov <aesok@post.ru>
2452 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2453 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2454 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2455 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2456 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2457 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2458 at90usb647, at90usb1286 and at90usb1287 devices.
2459 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2460 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2462 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2464 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2466 2006-05-22 Richard Guenther <rguenther@suse.de>
2469 2006-01-31 Richard Guenther <rguenther@suse.de>
2470 Paolo Bonzini <bonzini@gnu.org>
2472 * doc/install.texi (--disable-libgcc-math): Document.
2474 2006-05-22 Richard Guenther <rguenther@suse.de>
2477 2006-01-31 Richard Guenther <rguenther@suse.de>
2479 * doc/invoke.texi (-msselibm): Document.
2480 * target.h (expand_library_builtin): New target hook.
2481 * builtins.c (expand_builtin): Use expand_library_builtin.
2482 (default_expand_library_builtin): New function.
2483 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2484 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2485 (link_gcc_math_spec): Declare.
2486 (static_specs): Add link_gcc_math_spec.
2487 * expr.h (default_expand_library_builtin): Declare.
2488 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2489 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2490 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2491 * config/i386/i386.opt (msselibm): New target option.
2492 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2493 (ix86_init_sse_abi_builtins): New function.
2494 (ix86_expand_library_builtin): Likewise.
2495 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2496 (override_options): Handle error conditions wrt -msselibm.
2497 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2498 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2499 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2502 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2505 * c-common.c (self_promoting_args_p): Skip erroneous args.
2508 * c-decl.c (finish_struct): Skip erroneous fields.
2510 2006-05-22 Nick Clifton <nickc@redhat.com>
2512 * config/cris/cris.opt (march): Remove VarExists attribute.
2513 (max-stackframe=): Likewise.
2515 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2517 * doc/rtl.texi: Fix a typo.
2518 * see.c: Fix comment typos.
2520 * tree-ssa-structalias.h (alias_info): Remove num_references.
2522 2006-05-21 Mike Stump <mrs@apple.com>
2524 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2526 (darwin_pragma_options): Use BAD instead.
2527 (darwin_pragma_unused): Likewise.
2528 (darwin_pragma_ms_struct): Likewise.
2530 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2532 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2534 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2536 PR rtl-optimization/27671
2537 * simplify-rtx.c (simplify_relational_operation_1): Fix
2538 simplifications of (eq/ne (xor x y) y) and
2539 (eq/ne (xor x y) x).
2541 PR tree-optimization/26622.
2542 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2545 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2547 * tree-cfg.c: Prune whitespace.
2548 (debug_tree_cfg): Point to correct header containing the
2551 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2554 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2556 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2559 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2560 or sorry count is non zero.
2562 2006-05-20 Andreas Schwab <schwab@suse.de>
2564 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2566 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2567 Kenneth Zadeck <zadeck@naturalbridge.com>
2569 PR rtl-optimization/26855
2571 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2573 (df_scan_alloc): Added code to properly handle multiword hard
2574 registers and add all_blocks parameter.
2575 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2576 code to properly handle multiword hard registers.
2577 (df_rescan_blocks): Added code to remove deleted blocks from
2579 (df_ref_create_structure, df_ref_record): Added code to properly
2581 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2582 and set DF_REF_PARTIAL.
2583 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2584 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2585 (df_scan_add_problem): Added flags parameter.
2586 (df_ref_create_structure): Changed switching structure.
2587 (df_bb_refs_record): Fixed case where duplicate artificial refs
2588 were created. Changed location of flags.
2589 (df_record_entry_block_defs): Added code to make stack pointer
2590 live in entry block. Refined cases where frame pointer is needed.
2591 Changed location of flags.
2592 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2593 (df_set_state): Removed function.
2594 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2595 df_insn_create_insn_record, df_insn_refs_delete,
2596 df_ref_create_structure): Formatting changes.
2597 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2598 df_delete_basic_block): New function.
2599 (df_init): Changed location of flags.
2600 (df_add_problem): Added flags parameter and the way flags are
2602 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2603 debug_df_chain): Improved debugging output.
2604 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2605 (df_refs_chain_dump): Removed df parameter.
2606 (df_iterative_dataflow): Added consistency check.
2607 (df_prune_to_subcfg): Made public.
2608 (df_analyze_problem): Added blocks_to_init parameter and made
2610 (df_ref_record, df_bb_refs_record, df_mark_reg,
2611 df_record_exit_block_uses): Whitespace changes.
2612 (df_dump): Whitespace changes.
2613 * df.h: Some reordering to remove forward references.
2614 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2615 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2616 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2617 (dataflow.flags): New field.
2618 (df.flag): Deleted field.
2619 (df_alloc_function): Added additional bitmap parameter.
2620 (df_dependent_problem_function): New type.
2621 (df_problem.changeable_flags): New field.
2622 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2623 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2624 (df_mw_hardreg): New struct.
2625 (DF_INSN_UID_MWS): New macro.
2626 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2628 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2629 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2630 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2631 (df_set_state): Removed function.
2632 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2633 * df-problems.c (df_chain_dump): Removed df parameter.
2634 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2635 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2637 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2638 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2639 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2640 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2641 DF_REF_MUST_CLOBBER cases.
2642 (df_ru_bb_local_compute_process_def,
2643 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2644 df_lr_bb_local_compute, df_ur_bb_local_compute,
2645 df_chain_create_bb): Made subreg aware.
2646 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2647 df_lr_bb_local_compute, df_lr_bb_local_compute,
2648 df_chain_create_bb): Cleanup to use proper macros.
2649 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2650 code to fixup bitvectors.
2651 (df_ri_alloc): Cleared lifetime.
2652 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2653 df_create_unused_note): New function.
2654 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2655 REG_DEAD and REG_UNUSED notes as well as register information.
2656 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2657 df_chains_dump): Fixed crash if problem was never run.
2658 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2659 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2660 df_ri_add_problem): Processes flags in uniform manner.
2661 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2662 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2663 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2664 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2665 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2666 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2667 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2668 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2669 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2670 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2671 * see.c (see_initialize_data): Ditto.
2672 * final.c (rest_of_clean_state) Added regstack_completed.
2673 * rtl.h (regstack_completed): Ditto.
2674 * reg-stack.c (regstack_completed): Ditto.
2676 2006-05-19 Mike Stump <mrs@apple.com>
2678 * c-tree.h (default_conversion): Remove.
2679 * c-common.h (default_conversion): Add.
2681 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2683 * tree-vrp.c (valid_value_p): New function.
2684 (adjust_range_with_scev): Fail if the value of bound is not
2687 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2689 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2690 (mips_fallback_frame_state): Use syscall numbers to determine
2691 the appropriate li instruction for the current ABI. Only use
2692 __NR_sigreturn for o32.
2694 2006-05-19 Nicolas Setton <setton@adacore.com>
2696 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2697 * langhooks.c (lhd_dwarf_name): New function.
2698 * langhooks-def.h (lhd_dwarf_name): Declare.
2699 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2700 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2701 * ada/misc.c (gnat_dwarf_name): New function.
2702 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2704 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2706 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2708 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2709 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2710 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2711 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2712 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2713 determine the size of Wtype, etc.
2714 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2715 (swfloatfuncs): New variable.
2716 (dwfloatfuncs): Likewise.
2717 (lib2funcs): Remove floating-point conversion functions from
2718 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2719 the set of conversion routines needed. Allow entries to specify
2720 an object name, filename and word size. Update users accordingly.
2721 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2722 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2726 2006-02-08 Roger Sayle <roger@eyesopen.com>
2729 * config/fixtfdi.c: New libgcc source file.
2730 * config/fixunstfdi.c: New source file.
2731 * config/floatditf.c: New source file.
2732 * config/floatunditf.c: New souce file.
2733 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2734 files above instead of config/mips/_tilib.c.
2735 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2737 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2739 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2740 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2742 2006-05-18 Mike Stump <mrs@apple.com>
2744 Fix up vla, vm and [*] sematics.
2750 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2751 (c_vla_unspec_p): Add.
2752 (c_vla_type_p): Add.
2753 * c-decl.c (struct c_scope): Add had_vla_unspec.
2754 (build_array_declarator): Add support for [*].
2755 (grokdeclarator): Likewise.
2756 (grokparms): Likewise.
2757 (get_parm_info): Likewise.
2758 * c-objc-common.c (c_vla_unspec_p): Likewise.
2759 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2760 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2761 typeof when argument is a variably modified type not inside sizeof or alignof.
2762 (c_parser_direct_declarator_inner): Propagate errors.
2763 (c_parser_sizeof_expression): Add support for [*].
2764 (c_parser_parms_declarator): Initialize had_vla_unspec.
2765 (c_parser_parms_list_declarator): Likewise.
2766 * c-typeck.c (c_vla_type_p): Add.
2767 (composite_type): Add support for vla compositing.
2768 (comptypes_internal): Add support for vla compatibility.
2769 (c_expr_sizeof_expr): Evaluate vla arguments.
2770 * tree.c (variably_modified_type_p): Update comment for [*].
2772 2006-05-18 Michael Matz <matz@suse.de>
2775 * config.host: Make assignments to host_xmake_file cumulative.
2776 * config.host (*-darwin*): Test $host, not $target.
2778 2006-05-12 Stuart Hastings <stuart@apple.com>
2780 * config/i386/i386.opt (-mstackrealign): New flag.
2781 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2782 (ix86_handle_cconv_attribute): Emit error when
2783 force_align_arg_pointer attribute collides with too many regparms.
2784 (ix86_function_regparm): Limit regparms when used with
2785 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2786 Support stack-realigning prologue in non-main functions. Emit
2787 warning for nested functions under -mstackrealign, emit error for
2788 nested functions with force_align_arg_pointer attribute.
2789 * doc/extend.texi (force_align_arg_pointer): Document it.
2790 * doc/invoke.texi (-mstackrealign): Document it.
2792 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2794 PR rtl-optimization/27477
2795 * combine.c (try_combine): Don't split a parallel consisting
2796 of two sets into two individual sets if both sets reference
2799 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2801 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2802 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2804 * doc/options.texi (VarExists): Updated.
2806 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2808 * unwind-dw2.c: Add declarations for uw_update_context and
2810 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2811 detected, advance frame state and context once to skip over stub.
2813 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2817 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2818 Call rewrite_into_loop_closed_ssa only when something changed.
2819 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2820 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2821 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2822 Test for perfect_nest_p here. Fix formating.
2823 (replace_uses_equiv_to_x_with_y): Fix formating.
2824 (stmt_uses_op): Removed.
2825 (can_convert_to_perfect_nest): Removed loopivs parameter.
2826 Complete the test by checking the scalar dependences.
2827 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2830 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2833 From Dan Kegel <dank@kegel.com>:
2834 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2836 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2838 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2839 if the element type is variably modified without recursing.
2841 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2844 * tree-loop-linear.c (try_interchange_loops): Test for
2845 no data dependences.
2847 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2849 PR tree-optimization/27548
2850 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2851 range of ssa names that appear on abnormal edges.
2852 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2853 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2855 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2858 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2860 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2863 * tree.h (OMP_PARALLEL_COMBINED): Define.
2864 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2865 (new_omp_context): Add is_combined_parallel argument.
2866 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2867 new_omp_context caller.
2868 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2869 Adjust gimplify_scan_omp_clauses callers.
2870 (omp_is_private): Issue errors if iteration variable is firstprivate
2871 or reduction in the current context.
2872 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2873 on combined parallel workshare constructs.
2875 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2877 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2878 (gcc-options.o): New rule.
2880 * optc-gen.awk: Protect variables for gcc-options.o with
2881 #ifdef GCC_DRIVER/#endif.
2883 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2885 Fix PR tree-optimization/27373
2886 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2887 (forward_propagate_addr_expr): Update call.
2889 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2891 * doc/options.texi: Move the Negative option.
2893 2006-05-16 Richard Guenther <rguenther@suse.de>
2895 PR tree-optimization/22303
2896 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2898 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2899 ccp_fold did not simplify the statement.
2901 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2904 * Makefile.in (GCC_OBJS): New.
2905 (OBJS-common): Add opts-common.o.
2906 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2907 (cpp$(exeext)): Likewise.
2908 (gcc.o): Also depend on opts.h.
2909 (opts-common.o): New.
2911 * common.opt (gcoff): Add Negative(gdwarf-2).
2912 (gdwarf-2): Add Negative(gstabs).
2913 (gstabs): Add Negative(gstabs+).
2914 (gstabs+): Add Negative(gvms).
2915 (gvms): Add Negative(gxcoff).
2916 (gxcoff): Add Negative(gxcoff+).
2917 (gxcoff+): Add Negative(gcoff).
2918 * config/i386/i386.opt (m32): Add Negative(m64).
2919 (m64): Add Negative(m32).
2921 * doc/options.texi: Document the Negative option.
2923 * gcc.c: Include "opts.h".
2924 (main): Call prune_options after expandargv.
2926 * optc-gen.awk: Generate common declarations for all flag
2927 variables in options.c. Output the neg_index field.
2929 * opts.c (find_opt): Moved to ...
2930 * opts-common.c: Here. New file.
2932 * opts.h (cl_option): Add a neg_index field.
2934 (prune_options): Likewise.
2936 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2939 * omp-low.c (expand_omp_parallel): Don't assert
2940 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2941 instead search for it.
2944 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2947 2006-05-16 Andreas Schwab <schwab@suse.de>
2949 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2952 2006-05-15 Roger Sayle <roger@eyesopen.com>
2955 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2956 integer constants other than zero are only legitimate on TARGET_64BIT.
2957 <CONST_VECTOR> Only zero vectors are legitimate.
2958 (ix86_cannot_force_const_mem): Integral and vector constants can
2959 always be put in the constant pool.
2961 2006-05-16 DJ Delorie <dj@redhat.com>
2963 * crtstuff.c (__dso_handle): Set section from
2964 TARGET_LBIGCC_SDATA_SECTION if defined.
2965 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2966 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2968 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2971 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2974 2006-05-16 Ben Elliston <bje@au.ibm.com>
2976 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2978 2006-05-15 Per Bothner <per@bothner.com>
2980 * tree.c: (last_annotated_node): Use source_locus typedef.
2981 This permits bootstrapping with --enable-mapped-location.
2983 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2985 PR tree-optimization/26830
2986 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2987 (info_for_ssa_name, current_info_for_ssa_name_age,
2988 blocks_to_update): New variables.
2989 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2990 (clear_ssa_name_info, initialize_flags_in_bb,
2991 mark_block_for_update): New functions.
2992 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2993 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2994 prepare_def_site_for): Use mark_block_for_update.
2995 (mark_def_interesting): Assert that the processed block is marked in
2996 blocks_to_update. Do not take blocks argument.
2997 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2999 (rewrite_update_init_block, rewrite_update_stmt): Only process
3000 blocks with statements to rewrite.
3001 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3002 (update_ssa): Initialize and free blocks_to_update. Do not
3003 clear flags on statements. Do not use blocks bitmap.
3004 * tree.h (SSA_NAME_AUX): Removed.
3005 (struct tree_ssa_name): Removed aux field.
3006 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3008 2006-05-15 Richard Guenther <rguenther@suse.de>
3010 PR tree-optimization/27603
3011 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3012 Do computations in original type.
3014 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3016 * see.c: Code style changes such as redundant paranthesis,
3017 redundant intialization of local variables etc.
3018 (see_main): Declared now as static.
3019 * doc/invoke.texi: Update that -fsee is not enabled by
3022 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3024 * omp-low.c (check_omp_nesting_restrictions): New function.
3025 (scan_omp_1): Call it.
3028 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3029 construct, return *VAR.
3031 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3033 PR rtl-optimization/27406
3034 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3037 2006-05-14 Roger Sayle <roger@eyesopen.com>
3039 PR rtl-optimization/27538
3040 * combine.c (expand_compound_operation): Call gen_lowpart
3041 before calling simplify_shift_const.
3043 2006-05-14 Roger Sayle <roger@eyesopen.com>
3045 PR rtl-optimization/22563
3046 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3047 a fixed width bitfield, always force the intermediates into psuedos.
3049 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3052 * mkconfig.sh: Use operator = instead of == for test.
3054 2006-05-13 Nick Clifton <nickc@redhat.com>
3056 * dwarf2out.c (dbx_reg_number): Check return value from
3057 LEAF_REG_REMAP and only use it if it is valid.
3058 (multiple_reg_loc_descriptor): Likewise.
3060 2006-05-13 Richard Guenther <rguenther@suse.de>
3062 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3065 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3067 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3068 information attached to non-INSNs such as NOTEs.
3069 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3071 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3073 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3075 * config/s390/s390.md: Adjust comment describing On constraint.
3077 2006-05-11 Jan Hubicka <jh@suse.cz>
3079 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3080 to be output at -O0.
3082 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3085 * fold-const.c (size_binop): Move sanity check for arguments to
3086 the beginning of the function.
3089 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3092 2006-05-11 Richard Guenther <rguenther@suse.de>
3095 * fold-const.c (fold_unary): Handle intermediate conversion
3096 to a pointer type like intermediate conversion to an integer
3097 type in folding of (T1)(T2)var to var.
3098 Match the code to the comment in the final conversion for
3099 (T1)(T2)var to (T1)var regarding to type precision. Rather
3100 than disallow T1 being of pointer type, assert that both T1
3101 and var are of pointer type or not. Make sure not to fall
3102 over the frontends lazyness wrt array to pointer decay though.
3104 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3106 * arm.c (arm_struct_value_rtx): Delete.
3107 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3108 (arm_init_cumulative_args): Always initialize nregs to zero.
3110 2006-05-10 Richard Guenther <rguenther@suse.de>
3112 PR tree-optimization/27532
3113 * tree-object-size.c (plus_expr_object_size): Fix typo.
3115 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3118 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3119 ashrdi_const, ashrdi3): Use a scratch register.
3121 2006-05-10 Richard Guenther <rguenther@suse.de>
3123 PR tree-optimization/27302
3124 * fold-const.c (operand_equal_p): For two comparisons,
3125 try comparison of one comparison code swapped if that yields
3128 2006-05-10 Ben Elliston <bje@au.ibm.com>
3130 * tree-pretty-print.c (pretty_print_string): No need to handle
3131 '\0' as a special character.
3133 * tree.h: Include "hashtab.h".
3134 (iterative_hash_expr): Use hashval_t in its prototype.
3135 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3137 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3140 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3141 (hppa*64*-*-hpux11*): Ditto.
3142 (hppa[12]*-*-hpux11*): Ditto.
3144 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3147 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3149 2006-05-09 Michael Matz <matz@suse.de>
3151 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3152 host_extra_gcc_objs and host_xmake_file.
3153 (<*-*-linux*>): Don't overwrite host_xmake_file.
3154 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3155 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3156 (host_detect_local_cpu): Declare.
3157 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3158 * config/i386/i386.c (override_options): Handle -mtune=native
3160 * config/i386/x-i386: New file.
3161 * config/i386/driver-i386.c: New file.
3162 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3165 2006-05-09 Dirk Mueller <dmueller@suse.de>
3166 Richard Guenther <rguenther@suse.de>
3169 * fold-const.c (fold_read_from_constant_string): Relax check
3170 for matching types to matching modes.
3172 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3174 PR rtl-optimization/27335
3175 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3178 2006-05-08 Chao-ying Fu <fu@mips.com>
3179 Richard Sandiford <richard@codesourcery.com>
3181 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3182 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3183 * config/mips/mips.md (UNSPEC_SCC): New constant.
3184 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3185 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3186 (mips_emit_compare): Use it.
3187 (mips_expand_vcondv2sf): New function.
3189 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3191 Fix PR tree-optimization/27093
3192 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3193 renaming when they become not-used_alone.
3195 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3197 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3198 relocation and relocation stubs.
3200 2006-05-08 Eric Christopher <echristo@apple.com>
3202 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3205 2006-05-08 Jan Hubicka <jh@suse.cz>
3208 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3209 unused static functions are needed.
3211 2006-05-08 Roger Sayle <roger@eyesopen.com>
3214 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3215 of a reg_equiv_constant if the result is a legitimate constant.
3217 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3220 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3221 standard 80387 constants, raise the cost to prevent
3222 compress_float_constant() to generate load from memory.
3224 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3226 * config/arm/constraints.md (c): Fix a typo.
3228 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3231 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3234 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3236 (_mm_mwait): Likewise.
3238 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3240 (sse3_monitor): Make it 32bit only.
3241 (sse3_monitor64): New. 64bit monitor.
3243 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3246 * config/i386/i386.c (classify_argument): Skip fields with invalid
3249 2006-05-07 Richard Guenther <rguenther@suse.de>
3251 PR tree-optimization/27409
3252 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3253 Do not try to find zero-sized subvars.
3255 2006-05-07 Richard Guenther <rguenther@suse.de>
3257 PR tree-optimization/27136
3258 * tree-ssa-loop-niter.c (get_val_for): Correct function
3259 comment, assert requirements.
3260 (loop_niter_by_eval): Stop processing if the iterated
3261 value did not simplify.
3263 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3265 * opts.c (flag_see): remove its setting at -O3.
3267 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3269 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3270 * arm/constraints.md: New file.
3271 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3272 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3273 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3274 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3275 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3276 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3277 * arm.md: Include constraints.md.
3278 (thumb_movsi_insn): Use satisfies_constraint_J.
3279 (movhi, movqi): Use satisfies_constraint_I.
3281 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3283 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3284 for atmeg a645 device.
3286 2006-05-06 Richard Guenther <rguenther@suse.de>
3288 PR tree-optimization/27151
3289 * tree-vect-transform.c (vectorizable_condition): Punt on
3290 values that have a different type than the condition.
3292 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3295 * c-parser.c (c_parser_cast_expression): Only insert casts into
3296 hash table if pointer.
3297 * function.c (used_types_insert_helper): Rename from
3299 (used_types_insert): Call used_types_insert_helper.
3300 * function.h (used_types_insert): Accept only one argument.
3302 2006-05-05 David Edelsohn <edesohn@gnu.org>
3304 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3305 scratch with output modifier.
3307 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3310 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3311 with output modifier.
3313 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3316 * config/mips/mips.c (mips_symbolic_address_p): Return true
3317 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3318 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3320 2006-05-04 Richard Guenther <rguenther@suse.de>
3322 PR tree-optimization/14287
3323 PR tree-optimization/14844
3324 PR tree-optimization/19792
3325 PR tree-optimization/21608
3326 PR tree-optimization/27090
3327 * tree-ssa-pre.c (try_combine_conversion): New function.
3328 (compute_avail): After constructing the value-handle
3329 expression, use try_combine_conversion to combine NOP_EXPRs
3330 with previous value-handle expressions and use the result if it
3333 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3335 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3337 2006-05-04 Jan Hubicka <jh@suse.cz>
3340 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3342 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3344 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3345 that this only matches CONST_INTs. All users changed to VOIDmode
3348 * config/bfin/bfin.c: Include "optabs.h".
3349 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3351 (enum bfin_builtins): Add a number of fractional and vector builtins.
3352 (bfin_init_builtins): Likewise.
3353 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3354 (safe_vector_operand, bfin_expand_binop_builtin,
3355 bfin_expand_unop_builtin): New functions.
3356 (bfin_expand_builtin): Handle the new builtins.
3357 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3360 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3363 * Makefile.in (OBJS-common): Add see.o.
3364 (see.o): Add dependencies.
3365 * common.opt (fsee): New flag for the see optimization was added.
3366 * opts.c (flag_see): Initialized.
3367 * passes.c (init_optimization_passes, pass_see): New pass.
3368 * rtl.h (see_main): Declaration as extern.
3369 * timevar.def (TV_SEE): New.
3370 * tree-pass.h (pass_see): Declaration as extern.
3371 * invoke.texi (-fsee): Document.
3372 * recog.c (validate_simplify_insn): New function.
3373 * recog.h (validate_simplify_insn): Declaration as extern.
3374 * df-problems.c (df_chain_dump): Check for NULL.
3376 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3377 Daniel Berlin <dberlin@dberlin.org>
3379 * cfgrtl.c (insert_insn_bb_end_new): New function.
3380 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3382 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3384 * df.h (struct web_entry): Moved from web.c.
3385 (union_defs): Declaration as extern.
3386 (unionfind_root): Likewise.
3387 (unionfind_union): Likewise.
3388 * web.c (struct web_entry): Moved to df.h.
3389 (unionfind_root): Remove static declaration.
3390 (unionfind_union): Likewise.
3391 (union_defs): Likewise and generalize to use callback function.
3392 (web_main): Update arguments for union_defs function call.
3394 2006-05-04 Richard Guenther <rguenther@suse.de>
3396 PR tree-optimization/26447
3397 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3398 produce SSA_NAME copies before the store stmt to avoid
3399 breaking exception handling.
3401 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3404 * gimplify.c (omp_is_private): If var is shared in some outer context,
3405 return false instead of true. Stop searching on parallel context
3408 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3411 * coverage.c: Use get_gcov_unsigned_t() instead of
3412 unsigned_type_node all over.
3414 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3416 PR tree-optimization/27381
3417 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3418 maintain the same immediate_use links.
3419 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3420 node rather than segfaulting.
3422 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3425 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3426 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3427 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3429 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3431 Fix PR tree-optimization/26626
3432 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3434 * tree-ssa-operands.c (access_can_touch_variable): Allow
3435 typecasting through union pointers.
3437 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3440 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3441 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3442 to find if var will be a global variable even in the nested context.
3443 (omp_copy_decl): Only check for global variable at the end, it might
3444 be overridden in outer contexts.
3445 (scan_sharing_clauses): For global variables don't create a field.
3446 (lower_rec_input_clauses): Do nothing for global shared variables.
3447 Emit a barrier at the end of ILIST if there were any decls in both
3448 firstprivate and lastprivate clauses.
3449 (lower_send_clauses): Do nothing for global variables except for
3452 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3454 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3455 of the correct signedness is returned.
3457 2006-05-02 Jeff Law <law@redhat.com>
3459 PR tree-optimization/27364
3460 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3461 multiply expressions.
3463 2006-05-02 Tom Tromey <tromey@redhat.com>
3465 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3467 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3470 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3471 -mthumb -fPIC are used.
3473 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3474 Joshua Kinard <kumba@gentoo.org>
3477 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3478 with 64-bit pointers.
3480 2006-05-02 Paul Brook <paul@codesourcery.com>
3482 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3484 (create_fix_barrier): Check that a suitable barrier location is
3486 (arm_reorg): Include ftmp->address in allowable range of addresses.
3488 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3491 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3494 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3497 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3498 around RESULT_DECL for result passed by reference.
3499 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3500 * omp-low.c (use_pointer_for_field): Don't look at
3501 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3502 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3503 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3504 time or var for passing by reference for
3505 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3506 TREE_ADDRESSABLE variables when passing by reference.
3508 * omp-low.c (dump_omp_region): Fix output formatting.
3511 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3512 (expand_omp_parallel): Likewise.
3513 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3516 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3517 on statement list containing also constructors and destructors.
3518 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3521 * except.c (duplicate_eh_regions): Fix clearing of
3522 cfun->eh->region_array entries.
3524 2006-05-01 DJ Delorie <dj@redhat.com>
3526 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3528 (gcc_cv_objdump): Likewise.
3529 * configure: Regenerated.
3531 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3534 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3535 templates for case 3 and 4.
3537 2006-05-01 DJ Delorie <dj@redhat.com>
3539 * vec.c: Include bconfig.h when appropriate.
3540 * Makefile.in (build/vec.o): Adjust dependencies.
3541 * mkconfig.sh: Make sure config.h isn't used for build machine
3544 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3546 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3548 (mark_phi_for_rewrite): New function.
3549 (insert_phi_nodes_for, mark_use_interesting): Call
3550 mark_phi_for_rewrite.
3551 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3552 (update_ssa): Initialize and free phis_to_rewrite.
3554 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3556 PR rtl-optimization/27291
3557 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3558 folded to a constant.
3560 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3562 PR tree-optimization/27283
3563 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3564 not whole # of iteration descriptions.
3565 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3566 uses abnormal ssa name.
3567 (niter_for_single_dom_exit): Ditto.
3568 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3569 return just the number of iterations.
3571 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3573 PR tree-optimization/27144
3574 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3575 (record_estimate): Only record constant upper bound.
3576 (infer_loop_bounds_from_undefined): Call
3577 compute_estimated_nb_iterations just once.
3578 (proved_non_wrapping_p): Renamed to ...
3579 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3580 (convert_step_widening, scev_probably_wraps_p): Call
3581 n_of_executions_at_most instead of proved_non_wrapping_p.
3582 (substitute_in_loop_info): Do not replace values in bounds.
3583 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3586 2006-05-01 Richard Henderson <rth@redhat.com>
3589 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3590 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3593 2006-05-01 Roger Sayle <roger@eyesopen.com>
3595 * c-typeck.c (parser_build_binary_op): Don't call the function
3596 unsigned_conversion_warning to spot operand/result type overflow.
3597 (build_binary_op): Instead, call convert_and_check instead of
3598 convert to report the problem when the operands are promoted.
3599 * c-common.c (unsigned_conversion_warning): Make static.
3600 * c-common.h (unsigned_conversion_warning): Delete prototype.
3602 2006-05-01 Richard Guenther <rguenther@suse.de>
3604 PR tree-optimization/26726
3605 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3607 (find_interesting_uses_address): ... we work around here
3608 by folding INDIRECT_REFs in the substituted base.
3610 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3612 * omp-low.c (dump_omp_region): Add newlines.
3614 2006-04-30 Roger Sayle <roger@eyesopen.com>
3616 * common.opt (Woverflow): New command line option.
3617 * c-common.c (constant_expression_warning): Check warn_overflow.
3618 (overflow_waring): Pass OPT_Woverflow to warning.
3619 (unsigned_conversion_warning): Likewise.
3620 (convert_and_check): Likewise.
3621 * doc/invoke.texi: Document new command line option.
3623 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3625 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3626 TARGET_NO_FP_IN_TOC for section anchors.
3627 (optimization_options): Enable section anchors for all
3628 non-"Objective" languages.
3630 2006-04-28 Eric Christopher <echristo@apple.com>
3632 * config/darwin-c.c (darwin_ms_struct): Move this
3633 (darwin_set_default_type_attributes): and this...
3634 * config/darwin.c: ... here.
3635 * config/darwin.h (darwin_ms_struct): Declare.
3637 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3639 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3641 2006-04-28 Roger Sayle <roger@eyesopen.com>
3644 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3645 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3646 an unsigned HOST_WIDE_INT.
3647 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3649 (really_start_incremental_init): No need to call convert because
3650 bitsize_zero_node is already of type bitsizetype.
3651 (push_init_level): Extract the value of constructor_index as an
3652 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3653 (process_init_element): Likewise.
3655 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3657 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3658 value before passing to make_relative_prefix.
3660 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3663 * builtins.c (expand_builtin_memset): Expand val in original mode.
3665 2006-04-27 Eric Christopher <echristo@apple.com>
3667 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3668 with #ifndef/#endif.
3669 * config/darwin-c.c (darwin_ms_struct): New.
3670 (darwin_pragma_ms_struct): Ditto.
3671 (darwin_set_default_type_attributes): Ditto.
3672 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3673 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3674 Register ms_struct pragma.
3675 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3676 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3677 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3678 darwin_set_default_type_attributes if TARGET_MACHO.
3680 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3682 PR tree-optimization/26854
3683 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3684 * doc/tree-ssa.texi: Update immuse iterator documentation.
3685 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3686 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3687 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3688 first_safe_imm_use, next_safe_imm_use): Remove.
3689 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3690 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3691 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3692 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3693 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3694 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3695 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3696 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3697 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3698 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3699 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3700 (perfect_nestify): Use new iterator.
3701 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3703 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3704 (next_imm_name): New field in struct immediate_use_iterator_d.
3705 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3706 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3707 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3708 * tree-cfg.c (replace_uses_by): Use new iterator.
3709 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3710 * tree-ssa-operands.c (correct_use_link): Remove.
3711 (finalize_ssa_use_ops): No longer call correct_use_link.
3713 2006-04-27 Stuart Hastings <stuart@apple.com>
3715 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3716 * config/t-darwin (crt3.o): Use it.
3717 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3718 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3719 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3720 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3721 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3724 2006-04-27 Roger Sayle <roger@eyesopen.com>
3726 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3727 size, force the intermediate into a new pseudo rather instead of
3728 performing both a bitwise AND and a bitwise IOR in memory.
3730 2006-04-27 Richard Guenther <rguenther@suse.de>
3732 PR rtl-optimization/26685
3733 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3734 this one "max-flow-memory-locations".
3736 2006-04-27 Richard Guenther <rguenther@suse.de>
3738 PR tree-optimization/25148
3739 * tree-vrp.c (compare_values): Remove code dealing with
3740 comparisons against type min/max value. Honour overflow
3741 and negative constants in code dealing with comparisons
3742 of plus and minus expressions.
3743 (value_inside_range): Use fold_binary with LE_EXPR and
3744 GE_EXPR rather than compare_values.
3746 2006-04-27 Dirk Mueller <dmueller@suse.de>
3748 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3751 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3753 * basic-block.h (safe_insert_insn_on_edge): Removed.
3754 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3756 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3757 Paolo Bonzini <bonzini@gnu.org>
3760 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3761 (simplify_and_const_int): Same.
3763 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3765 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3767 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3770 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3771 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3772 cgraph_global_info_ready.
3775 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3778 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3779 either decl or init is error_mark_node.
3782 * tree-flow.h (struct omp_region): Add sched_kind.
3783 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3784 instead of extracting omp for data.
3785 (expand_omp_for): Save extracted sched_kind.
3787 2006-04-25 Roger Sayle <roger@eyesopen.com>
3789 * expmed.c (store_bit_field): Also check whether the bitsize is
3790 valid for the machine's "insv" instruction before moving the
3791 target into a pseudo for use with the insv.
3792 * config/i386/predicates.md (const8_operand): New predicate.
3793 * config/i386/i386.md (extv, extzv, insv): Use the new
3794 const8_operand predicate where appropriate.
3796 2006-04-25 DJ Delorie <dj@redhat.com>
3798 * doc/install.texi (Specific): Clarify that this is not a list of
3799 supported hosts or targets.
3801 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3803 PR rtl-optimization/26725
3804 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3805 block's BB_DIRTY flag.
3807 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3809 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3812 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3813 to print an integer.
3815 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3817 * varasm.c (align_variable): New function.
3818 (get_block_for_decl): Apply align_variable to DECL before
3819 calculating section information.
3820 (assemble_variable): Split out alignment computation.
3822 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3824 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3827 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3829 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3830 MODE_PARTIAL_INT mode.
3831 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3832 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3834 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3835 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3837 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3839 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3841 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3842 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3843 MACFLAG_IH): Likewise.
3844 (movstricthi_1): Renamed from "*movstricthi".
3845 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3846 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3847 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3848 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3849 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3850 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3851 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3852 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3853 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3854 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3855 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3856 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3857 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3858 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3859 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3861 * doc/rtl.texi (ss_ashift): Improve wording.
3863 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3865 * dwarf2out.c (verify_marks_clear): New.
3866 (prune_unused_types): Call verify_marks_clear initially, not
3869 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3871 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3872 * doc/rtl.texi: Document them.
3873 * simplify-rtx.c (simplify_unary_operation,
3874 simplify_binary_operation_1): Don't abort when we see them.
3876 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3879 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3880 * configure.ac: Completely disregard languages that are not
3882 * configure: Regenerated.
3884 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3885 Richard Guenther <rguenther@suse.de>
3887 PR tree-optimization/27236
3888 * tree-inline.c (copy_body_r): Make sure to copy
3889 TREE_THIS_VOLATILE flag.
3891 2006-04-24 Richard Guenther <rguenther@suse.de>
3894 * tree-complex.c (update_parameter_components): Don't handle
3895 unused parameters which have no default def.
3897 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3898 Richard Guenther <rguenther@suse.de>
3900 PR tree-optimization/27218
3901 * tree-inline.c (expand_call_inline): Strip useless type
3902 conversions for the return slot address.
3904 2006-04-24 Richard Guenther <rguenther@suse.de>
3906 * cfgloop.h (struct loops): Remove unused field array. Reorder
3908 (LOOP_PREFETCH): Remove.
3910 2006-04-24 Richard Guenther <rguenther@suse.de>
3912 PR tree-optimization/22525
3913 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3914 variable, adjust types of generated expressions.
3916 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3918 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3919 (tree-vect-patterns.o): Likewise.
3921 (cselib.o): Likewise.
3922 (loop-doloop.o): Likewise.
3923 (regclass.o): Likewise.
3924 (reload1.o): Likewise.
3925 (explow.o): Replace target.h with $(TARGET_H).
3926 (ipa-prop.o): Likewise.
3927 (ipa-cp.o): Likewise.
3928 (ipa-inline.o): Likewise.
3929 (reorg.o): Likewise.
3930 (reg-stack.o): Likewise.
3932 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3934 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3936 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3938 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3940 * configure.ac: Completely disregard languages that are not
3942 * configure: Regenerated.
3945 * c-common.h (c_build_bitfield_integer_type): Declare.
3946 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3947 * c-common.c (c_build_bitfield_integer_type): ... here.
3949 2006-04-23 Roger Sayle <roger@eyesopen.com>
3952 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3953 a SImode SUBREG of a floating point register after no_new_pseudos.
3955 2006-04-23 Roger Sayle <roger@eyesopen.com>
3957 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3958 identify potentially eliminable registers to additionally catch
3959 VIRTUAL_INCOMING_ARGS_REGNUM.
3960 (addsi3): Update the conditions on when to use addsi_small_int.
3962 2006-04-23 Roger Sayle <roger@eyesopen.com>
3965 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3966 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3967 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3969 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3971 * fold-const.c (range_predecessor): Use operand_equal_p
3972 as the predicate for equality.
3973 (range_successor): Likewise.
3975 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3978 * config/soft-fp/op-common.h: Fix a typo.
3980 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3983 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3984 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3986 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3988 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3990 * doc/tm.texi: Fix a typo.
3992 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3994 * dwarf2out.c (struct die_struct): Document that die_sib makes
3995 a circular linked list.
3996 (FOR_EACH_CHILD): New.
3997 (reverse_die_lists): Delete.
3998 (reverse_all_dies): Delete.
3999 (add_dwarf_attr): Correct documentation.
4000 (remove_child_with_prev): New.
4001 (remove_child_TAG): Update for change to die_struct, use
4002 remove_child_with_prev.
4003 (add_child_die): Update for change to die_struct.
4004 (splice_child_die): Use remove_child_with_prev and add_child_die.
4005 (print_die): Use FOR_EACH_CHILD.
4006 (die_checksum): Likewise.
4007 (assign_symbol_names): Likewise.
4008 (output_location_lists): Likewise.
4009 (build_abbrev_table): Likewise.
4010 (calc_die_sizes): Likewise.
4011 (mark_dies): Likewise.
4012 (unmark_dies): Likewise.
4013 (unmark_all_dies): Likewise.
4014 (output_die): Likewise.
4015 (prune_unused_types_mark): Likewise.
4016 (prune_unused_types_walk): Likewise.
4017 (same_die_p): Update for change to die_struct.
4018 (break_out_includes): Likewise.
4019 (prune_unused_types_prune): Likewise.
4020 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4021 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4023 (dwarf2out_finish): Don't call reverse_all_dies.
4025 2006-04-21 Eric Christopher <echristo@apple.com>
4027 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4028 in comments and function names.
4030 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4033 * c-typeck.c (digest_init): Robustify.
4035 * c-typeck.c (pop_init_level): Simplify.
4037 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4039 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4041 2006-04-21 Paul Brook <paul@codesourcery.com>
4043 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4044 hardware floating point.
4046 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4048 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4051 2006-04-21 Nick Clifton <nickc@redhat.com>
4053 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4056 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4059 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4060 C++ lang type in traceback table for Objective-C++.
4062 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4064 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4066 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4068 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4071 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4072 were errors. Remove check for erroneous objects.
4074 2006-04-20 Jeff Law <law@redhat.com>
4076 PR tree-optimization/26854
4077 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4078 checking for zero or one use.
4079 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4080 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4081 * tree-ssa-reassoc.c (negate_value): Similarly.
4082 (reassociate_bb): Similarly.
4084 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4086 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4087 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4088 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4090 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4092 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4093 fp regs if the last fp arg doesn't fit in regs.
4095 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4098 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4099 that the last insn has the REG_INC note.
4101 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4102 Nathan Sidwell <nathan@codesourcery.com>
4105 * stor-layout.c (update_alignment_for_field): Do not align
4107 (place_union_field): Place union field at the start of the union.
4108 (place_field): Move ERROR_MARK check later, and use the current
4109 allocation position to maintain monotonicity.
4111 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4113 * dominance.c: Include timevar.h.
4114 (calculate_dominance_info): Use TV_DOMINANCE.
4115 * timevar.def (TV_DOMINANCE): New timevar.
4116 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4118 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4120 PR rtl-optimization/14261
4121 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4122 move would be an INSV insn.
4123 (noce_process_if_block): Don't optimize if the destination is a
4124 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4126 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4128 * config/s390/s390.md: Add comments with the instructions emitted
4129 by an insn pattern if macros are used.
4131 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4133 PR rtl-optimization/26026
4134 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4135 is a known power of two shifted left a variable amount.
4137 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4139 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4140 to hash table twice when the debug_str section has SECTION_MERGE.
4142 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4144 * config/soft-fp: New directory. From glibc.
4145 * config/soft-fp/t-softfp: New.
4146 * config/soft-fp/README: New.
4147 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4148 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4149 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4150 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4151 * config.gcc: Use rs6000/t-fprules-fpbit or
4152 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4154 * config/rs6000/sfp-machine.h: New. Based on glibc.
4155 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4157 * config/rs6000/t-fprules: Remove fp-bit rules.
4158 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4159 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4160 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4161 (softfp_wrap_start, softfp_wrap_end): New.
4163 2006-04-18 DJ Delorie <dj@redhat.com>
4165 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4167 2006-04-18 Devang Patel <dpatel@apple.com>
4169 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4171 2006-04-18 Nick Clifton <nickc@redhat.com>
4173 * config/sh/t-symbian: Add rule to build sh-c.o
4174 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4175 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4176 (sh_symbian_encode_section_info): Likewise.
4178 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4180 * builtins.c (expand_builtin_strcmp): Cover label definition of
4181 do_libcall with HAVE_cmpstrnsi.
4183 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4185 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4187 * function.h (temp_slot_p): New.
4188 (function): Change the type of x_used_temp_slots to
4189 VEC(temp_slot_p,gc) *.
4191 2006-04-18 Nick Clifton <nickc@redhat.com>
4193 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4194 flag_strength_reduce.
4196 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4198 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4202 Partial revert of revision 112637
4203 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4204 Dale Johannesen <dalej@apple.com>
4207 * regclass.c (struct reg_pref): Update documentation.
4208 (regclass): Set prefclass to NO_REGS if memory is the best option.
4209 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4211 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4213 PR tree-optimization/26821
4214 * tree-ssa-math-opts.c (get_constant_one): New.
4215 (insert_reciprocals): Use it.
4217 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4219 * dwarf2out.c (free_AT): Delete.
4220 (remove_AT): Update string ref counts.
4221 (remove_child_TAG): Don't call free_die.
4223 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4224 or DW_TAG_GNU_EINCL.
4225 (prune_unused_types_walk_attribs): Reset string refcounts.
4226 (prune_unused_types_update_strings): New.
4227 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4228 call free_die. Do call prune_unused_types_update_strings.
4229 (prune_unused_types): Empty debug_str_hash.
4231 2006-04-17 Roger Sayle <roger@eyesopen.com>
4233 * expr.c (expand_assignment): Optimize away no-op moves where the
4234 source and destination are equal and have no side-effects.
4236 2006-04-17 Richard Guenther <rguenther@suse.de>
4239 * reload.c (push_reload): Guard calls to get_secondary_mem
4242 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4244 * alias.c (reg_base_value, old_reg_base_value): Change the
4245 type to VEC(rtx,gc) *.
4246 (REG_BASE_VALUE, find_base_value, record_set,
4247 init_alias_analysis): Use VEC instead of VARRAY.
4249 * alias.c (alias_sets): Change the type to
4250 VEC(alias_set_entry,gc) *.
4251 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4252 VEC instead of VARRAY.
4253 (last_alias_set): Remove.
4255 * cgraph.h (cgraph_edge_p): New.
4256 Update the prototype of cgraph_function_versioning.
4257 * cgraphunit.c (cgraph_copy_node_for_versioning,
4258 cgraph_function_versioning): Use VEC instead of VARRAY.
4259 * ipa-cp.c (ipcp_insert_stage): Likewise.
4261 2006-04-16 Roger Sayle <roger@eyesopen.com>
4264 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4265 "A op B" or "A op C", we may need to convert A to the type of B and C.
4267 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4269 * target.h (struct gcc_target): Add mode_rep_extended.
4270 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4271 (init_num_sign_bit_copies_in_rep): Initialize it using
4273 (truncate_to_mode): Use it.
4274 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4275 * targhooks.h (default_mode_rep_extended): Declare it.
4276 * targhooks.c (default_mode_rep_extended): Define it.
4277 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4278 default_mode_rep_extended.
4279 (TARGET_INITIALIZER): Include it.
4280 * doc/tm.texi (Misc): Document it.
4281 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4282 (mips_truncated_to_mode): New function.
4284 2006-04-16 Roger Sayle <roger@eyesopen.com>
4287 * expr.c (compress_float_constant): Copy the narrow constant into
4288 a new pseudo before extending it to its final width.
4290 2006-04-16 Roger Sayle <roger@eyesopen.com>
4291 Andrew Pinski <pinskia@gcc.gnu.org>
4292 Dale Johannesen <dalej@apple.com>
4295 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4296 special case code to implement V8HImode and V16QImode with SSE2.
4298 2006-04-15 Roger Sayle <roger@eyesopen.com>
4300 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4301 trees are constructed with a suitable tree type.
4303 2006-04-15 Roger Sayle <roger@eyesopen.com>
4305 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4306 (integer_onep): Likewise.
4307 (integer_all_onesp): Likewise.
4308 (integer_pow2p): Likewise.
4309 (integer_nonzerop): Likewise.
4310 (real_zerop): Likewise.
4311 (real_onep): Likewise.
4312 (real_twop): Likewise.
4313 (real_minus_onep): Likewise.
4314 (int_size_in_bytes): Likewise.
4315 (host_integerp): Likewise.
4317 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4319 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4320 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4321 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4323 * tree-ssa-structalias.h (alias_info): Remove num_references.
4325 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4327 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4328 (output_bvb patterns): Likewise.
4329 * pa.c (output_bb): Use 'bb' insn for long branch case.
4330 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4331 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4332 1. Correct length operand for alternatives 1 and 2.
4333 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4334 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4336 2006-04-14 Roger Sayle <roger@eyesopen.com>
4338 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4339 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4340 were accidentally reverted by r112959.
4342 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4345 * except.h (eh_region_outermost): New prototype.
4346 * except.c (eh_region_outermost): New function.
4347 * tree-cfg.c (find_outermost_region_in_block): Use it.
4349 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4351 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4353 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4354 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4355 (init_reload, reload): Use VEC instead of VARRAY.
4356 * reload.h: Update the prototype for
4357 reg_equiv_memory_loc_varray.
4359 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4360 Eric Botcazou <ebotcazou@libertysurf.fr>
4362 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4365 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4368 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4369 to expand fallback builtin function call.
4371 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4374 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4375 and emit libcall here in case the builtin fails.
4376 (expand_builtin_strcmp): Always emit the libcall here on failure.
4378 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4380 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4381 * flow.c (reg_n_info): Change the type to
4382 VEC(reg_info_p,heap) *.
4383 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4385 * regs.h (reg_info_p): New.
4386 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4387 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4388 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4391 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4393 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4395 * params.h (MAX_SCHED_READY_INSNS): New macro.
4396 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4397 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4398 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4399 the ready list for 1 cycle during the first scheduling pass.
4400 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4402 2006-04-13 Richard Henderson <rth@redhat.com>
4405 * gimple-low.c (lower_omp_directive): Remove dead code.
4406 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4407 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4408 * omp-low.c (struct omp_region): Move to tree-flow.h.
4409 (root_omp_region): Export.
4410 (omp_regions, lookup_omp_region): Remove.
4411 (determine_parallel_type): Update for struct omp_region changes.
4412 (dump_omp_region): Dump regions with block numbers.
4413 (new_omp_region): Take type and block instead of stmt; malloc
4415 (free_omp_region_1, free_omp_regions): New.
4416 (expand_parallel_call): Take entry_stmt as argument; update for
4417 changes to omp_region.
4418 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4419 (remove_exit_barriers): New.
4420 (expand_omp_parallel): Update for struct omp_region changes.
4421 (expand_omp_synch): Likewise.
4422 (expand_omp): Likewise.
4423 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4424 (expand_omp_for_static_chunk): Likewise.
4425 (expand_omp_for): Likewise.
4426 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4427 (expand_omp_sections): Similarly, with GOMP_sections_end.
4428 (expand_omp_single): New.
4429 (build_omp_regions_1): Update for OMP_CONTINUE.
4430 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4431 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4432 OMP_SECTIONS_SECTIONS.
4433 (lower_omp_single_simple): Don't emit barrier here.
4434 (lower_omp_single_copy): Likewise.
4435 (lower_omp_single): Fix bindings, and lower to straightline now.
4436 (lower_omp_master, lower_omp_ordered): Likewise.
4437 (lower_omp_critical): Likewise.
4438 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4439 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4440 omp edges, free it afterward.
4441 (make_omp_sections_edges): Remove.
4442 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4443 (move_stmt_r): Handle OMP_CONTINUE.
4444 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4445 statement pointers to basic blocks. Add type member.
4446 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4447 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4448 * tree-inline.c (estimate_num_insns_1): Likewise.
4449 * tree-pretty-print.c (dump_generic_node): Likewise.
4450 * tree-ssa-operands.c (get_expr_operands): Likewise.
4451 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4452 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4453 (OMP_CONTINUE): New.
4454 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4455 (OMP_SECTIONS_SECTIONS): Remove.
4456 (OMP_SECTION_LAST): New.
4457 (OMP_RETURN_NOWAIT): New.
4459 2006-04-13 Roger Sayle <roger@eyesopen.com>
4461 * fold-const.c (native_encode_vector, native_interpret_real):
4462 Correct obvious mistakes in the previous check-in.
4464 2006-04-13 Roger Sayle <roger@eyesopen.com>
4466 * fold-const.c (native_encode_expr): New function to encode
4467 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4468 or VECTOR_CST into a specified buffer.
4469 (native_encode_int): New function.
4470 (native_encode_real): New function.
4471 (native_encode_complex): New function.
4472 (native_encode_vector): New function.
4473 (native_interpret_expr): Inverse of native_encode_expr to convert
4474 a target representation into an INTEGER_CST, REAL_CST etc...
4475 (native_interpret_int): New function.
4476 (native_interpret_real): New function.
4477 (native_interpret_complex): New function.
4478 (native_interpret_vector): New function.
4479 (fold_view_convert_expr): New function to constant fold/evaluate
4480 a VIEW_CONVERT_EXPR of a suitable constant expression.
4481 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4482 Change call of build1 to fold_build1 when constructing a
4485 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4486 Ulrich Weigand <uweigand@de.ibm.com>
4489 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4492 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4495 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4496 optimize to lo_sum for DFmode if !TARGET_FPRS.
4498 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4500 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4501 delete_alias_info, compute_flow_sensitive_aliasing,
4502 group_aliases): Use VEC instead of VARRAY.
4503 * tree-ssa-structalias.c (update_alias_info): Likewise.
4504 * tree-ssa-structalias.h (alias_info): Change the type of
4505 processed_ptrs to VEC(tree,heap) *.
4507 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4510 * config/sh/lib1funcs.h: New file, broken out of:
4511 * config/sh/lib1funcs.asm.
4512 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4514 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4515 * config/sh/lib1funcs-Os-4-200.asm: New file.
4516 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4517 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4518 (EXTRA_MULTILIB_PARTS): Include it.
4519 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4520 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4521 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4522 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4525 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4527 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4528 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4529 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4531 * tree-ssa-live.h: Include vecprim.h.
4532 (tree_partition_associator_d): Change the type of
4533 first_partition to VEC(int,heap) *.
4534 (tpa_first_partition): Use VEC instead of VARRAY.
4536 * Makefile.in (GTFILES): Move functions.h after tree.h.
4537 * function.c (reset_block_changes, record_block_change,
4538 check_block_change, free_block_changes): Use VEC instead of
4540 * function.h (function): Change the type of
4541 ib_boundaries_block to VEC(tree,gc) *.
4542 * tree-inline.c (copy_cfg_body): Initialize
4543 ib_boundaries_block to NULL instead of (varray_type) 0.
4545 2006-04-12 Roger Sayle <roger@eyesopen.com>
4547 * expr.c (emit_group_store): Correct operand order in call to
4548 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4549 a SUBREG_BYTE of zero.
4551 2006-04-12 Richard Guenther <rguenther@suse.de>
4553 * profile.c (compute_branch_probabilities): Remove code
4554 encapsulated in !ir_type (), which are remanents of the
4555 removed RTL profiling code.
4556 * rtl-profile.c: Remove.
4558 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4560 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4561 magic NULL_RTX comment.
4562 (function_arg): Store entire fp arg to mem if any part should go
4564 (rs6000_arg_partial_bytes): Adjust for above change.
4566 2006-04-11 Roger Sayle <roger@eyesopen.com>
4568 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4569 if it hasn't been initialized by dwarf2out_init.
4571 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4573 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4574 symbolic constants in branch patterns.
4576 2006-04-11 Roger Sayle <roger@eyesopen.com>
4578 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4580 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4582 PR rtl-optimization/27073
4583 * gcse.c (try_replace_reg): Revert last change. Continue to search
4584 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4587 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4589 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4590 aggregate types other than record and union types.
4591 (function_arg): Likewise.
4592 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4594 (function_value): In 64-bit mode, return objects that require it
4597 2006-04-11 Roger Sayle <roger@eyesopen.com>
4599 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4601 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4603 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4605 2006-04-03 Jeff Law <law@redhat.com>
4608 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4609 alias information too.
4611 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4613 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4615 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4618 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4619 (premark_used_types_helper): New.
4620 (premark_used_types): New.
4621 (gen_subprogram_die): Call premark_used_types.
4622 (prune_unused_types_walk): Do not prune perennial dies.
4623 * function.c (used_types_insert): New.
4624 * function.h (struct function): Add used_types_hash field.
4625 (used_types_insert): Add prototype.
4626 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4627 * c-parser.c (c_parser_cast_expression): Save casted types in used
4630 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4633 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4634 rs6000_explicit_options.float_gprs.
4636 2006-04-10 Roger Sayle <roger@eyesopen.com>
4638 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4639 from ix86_expand_vector_init_low_nonzero. Take an additional
4640 one_var argument indicating which element is non-zero. Support
4641 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4642 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4643 with one_var instead of ix86_expand_vector_init_low_nonzero.
4645 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4647 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4648 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4649 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4650 build/genextract.o): Depend on vecprim.h.
4651 * cfglayout.c, df-problems.c, function.c, genextract.c,
4652 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4653 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4657 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4659 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4660 Declare VECs of this type.
4661 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4662 (remove_children): Delete.
4663 (add_dwarf_attr): Use VEC routines.
4664 (add_AT_flag): Update for changes to add_dwarf_attr.
4665 (add_AT_int): Likewise.
4666 (add_AT_unsigned): Likewise.
4667 (add_AT_long_long): Likewise.
4668 (add_AT_vec): Likewise.
4669 (add_AT_string): Likewise.
4670 (add_AT_die_ref): Likewise.
4671 (add_AT_fde_ref): Likewise.
4672 (add_AT_loc): Likewise.
4673 (add_AT_loc_list): Likewise.
4674 (add_AT_addr): Likewise.
4675 (add_AT_lbl_id): Likewise.
4676 (add_AT_lineptr): Likewise.
4677 (add_AT_macptr): Likewise.
4678 (add_AT_offset): Likewise.
4679 (add_AT_range_list): Likewise.
4680 (get_AT): Use VEC_iterate.
4681 (remove_AT): Use VEC_ordered_remove.
4682 (free_die): Fold remove_children into here; have it use VEC_iterate.
4683 (print_die): Use VEC_iterate on attrs.
4684 (reverse_die_lists): Don't reverse attr lists.
4685 (die_checksum): Use VEC_iterate on attrs.
4686 (same_die_p): Likewise.
4687 (output_location_lists): Likewise.
4688 (build_abbrev_table): Likewise.
4689 (size_of_die): Likewise.
4690 (unmark_all_dies): Likewise.
4691 (output_abbrev_section): Likewise.
4692 (output_die): Likewise.
4693 (prune_unused_types_walk_attribs): Likewise.
4695 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4697 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4699 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4702 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4704 2006-04-09 Roger Sayle <roger@eyesopen.com>
4706 * expr.c (store_constructor): Don't bother clearing target if
4707 we're about to assign a vector to it using vec_init_optab.
4709 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4711 * tree-ssa-alias.c (lhs_may_store_to): New function.
4712 (recalculate_used_alone): Handle LHS of calls.
4714 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4718 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4719 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4720 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4721 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4722 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4723 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4724 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4725 stubs. Add ".align 8" directives before all ".dword" directives.
4726 (GTHREAD_USE_WEAK): Revise comment.
4727 (TARGET_ATTRIBUTE_WEAK): Define.
4728 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4729 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4730 * stublib.c: New file.
4735 * pa.md (cbranch patterns): Revise arguments used in calls to
4736 output_cbranch, output_bb and output_bvd. Add long branch length
4738 (fbranch patterns): Handle long branches.
4739 (jump): Revise length check. Revise arguments for output_lbranch call.
4740 Add long branch length attributes.
4741 (decrement_and_branch_until_zero): Add long branch length attributes.
4742 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4743 Likewise. Revise arguments for output_parallel_addb and
4744 output_parallel_movb calls.
4745 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4746 output_parallel_movb and output_parallel_addb): Update prototypes.
4747 * pa.c (output_cbranch): Revise arguments. Correct handling of
4748 nullification in long branches.
4749 (output_lbranch): Add new argument to control extraction of delay
4751 (output_bb): Handle long branches.
4752 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4753 output_parallel_addb): Likewise.
4755 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4757 PR rtl-optimization/27073
4758 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4761 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4763 * tree.h (tree_memory_tag): Add old_used_alone.
4764 (SMT_OLD_USED_ALONE): New macro.
4765 * tree-ssa-alias.c (recalculate_used_alone): Stop
4766 marking things for renaming unnecessarily.
4768 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4770 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4771 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4772 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4773 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4774 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4775 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4776 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4777 spelling convensions.
4778 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4779 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4780 typos. Follow spelling conventions.
4782 2006-04-07 DJ Delorie <dj@redhat.com>
4784 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4785 passed on the stack.
4786 (m32c_init_cumulative_args): When a function returns a structure,
4787 always pass the pointer to that return area on the stack.
4788 (m32c_function_arg_advance): Don't increment the parameter number
4789 if we're processing the returned structure pointer.
4790 (pushm_info): Reverse order of registers.
4792 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4794 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4795 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4796 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4797 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4799 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4800 chrec_fold_multiply): Same.
4801 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4802 force_expr_to_var_cost): Same.
4803 * tree-mudflap.c (mf_xform_derefs_1): Same.
4804 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4806 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4808 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4809 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4812 2006-04-07 Jan Hubicka <jh@suse.cz>
4814 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4816 2006-04-07 Richard Guenther <rguenther@suse.de>
4818 PR tree-optimization/26135
4819 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4820 loads for store copy-prop.
4821 (copy_prop_visit_stmt): Likewise.
4823 2006-04-05 Robert Millan <robertmh@gnu.org>
4825 * config/i386/linux.h: Add a comment to mark macros that are
4826 being overriden in config/k*bsd-gnu.h.
4827 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4829 * config/knetbsd-gnu.h: Ditto.
4831 2006-04-06 Jan Hubicka <jh@suse.cz>
4835 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4838 2006-04-06 Mike Stump <mrs@apple.com>
4840 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4841 for HAVE_nonlocal_goto to be consistent.
4842 (expand_builtin_nonlocal_goto): Likewise.
4843 (expand_builtin_strcmp): Use #ifdef instead of #if
4844 for HAVE_cmpstrnsi to be consistent.
4846 2006-04-05 DJ Delorie <dj@redhat.com>
4848 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4851 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4853 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4854 got-relative addressing for anything but SImode.
4856 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4857 even if the calling function doesn't modify them.
4859 2006-04-05 Richard Guenther <rguenther@suse.de>
4861 PR tree-optimization/26919
4862 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4863 to cgraph_estimate_size_after_inlining.
4865 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4867 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4869 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4871 PR tree-optimization/26996
4872 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4873 VECTOR_TYPE variables.
4875 2006-04-05 Richard Guenther <rguenther@suse.de>
4877 PR tree-optimization/26763
4878 * fold-const.c (fold_comparison): Move folding of
4879 PTR + CST CMP PTR + CST ...
4880 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4882 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4884 * doc/install.texi (Prerequisites): Refine some wording on
4885 bootstrapping and ksh.
4886 Move the version numbers of DejaGnu here from the testing section
4887 and fix casing of names.
4888 Fix markup and clarify wording for autogen requirements.
4889 Refer to GCJ instead of just java.
4890 Refer to SVN instead of CVS.
4891 Describe diffutils as useful instead of necessary.
4892 (Downloading the source): Refer to SVN instead of CVS.
4893 Adjust a link to our web site accordingly.
4894 (Configuration): Fix casing of Bison.
4895 (Building): Refer to SVN instead of CVS.
4896 Fix a sentence on the use of Bison and remove duplicate (and
4897 incorrect) version number of Bison requirement.
4898 Remove one redundant list of packages needed for building.
4899 (Specific): Avoid reference to CVS.
4901 2006-04-04 Eric Christopher <echristo@apple.com>
4903 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4904 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4905 (rs6000_handle_struct_attribute): New.
4906 (rs6000_ms_bitfield_layout_p): Ditto.
4908 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4910 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4911 NULL for dso parameter to atexit_common.
4913 2006-04-04 Eric Christopher <echristo@apple.com>
4915 * config/i386/i386.c (machopic_output_stub): Output \t
4916 between instructions and operands.
4918 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4920 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4921 satisfies_constraint_[IL] to explicit tests on value.
4923 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4925 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4926 set_nb_iterations_in_loop): Use build_int_cst instead of
4928 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4929 build_int_cst instead of convert.
4931 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4933 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4934 new value 2 for incoming.
4935 * function.c (expand_function_start): Call struct_value_rtx
4937 * config/sparc/sparc.md: Comment updated_return.
4938 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4939 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4940 struct return if sparc_std_struct_return and incoming is 2.
4941 (print_operand): Do not adjust return if
4942 sparc_std_struct_return.
4944 2006-04-04 Roger Sayle <roger@eyesopen.com>
4946 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4947 convert in the middle-end.
4948 * expr.c (store_expr, store_constructor, get_inner_reference,
4949 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4951 * tree.c (build_range_type): Likewise.
4953 2006-04-04 Tom Tromey <tromey@redhat.com>
4955 * doc/install.texi (Prerequisites): Mention jar.
4957 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4959 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4962 2006-04-04 Matthias Klose <doko@debian.org>
4964 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4965 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4968 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4970 * doc/extend.texi (Function Attributes): Rewrite visibility
4971 attribute documentation.
4972 * doc/invoke.texi (C++ Dialect Options): Rewrite
4973 -fvisibility-inlines-hidden documentation to describe something
4974 entirely different, although in practise compatible.
4975 (Code Gen Options): Warn about system headers in -fvisibility=
4978 * doc/extend.texi (Other Builtins): Document that
4979 __builtin_nan is a compile-time constant only when its argument
4982 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4984 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4985 trying to remove TRUNCATE check if all bits outside the new mode
4986 are identical to the sign bit.
4988 2006-04-03 Jeff Law <law@redhat.com>
4990 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4991 and operand scanning in some common cases.
4993 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4994 Dale Johannesen <dalej@apple.com>
4997 * regclass.c (struct reg_pref): Update documentation.
4998 (regclass): Set prefclass to NO_REGS if memory is the best option.
4999 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5000 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5001 into account. For non-registers, equate an empty preferred
5002 reload class to a `!' in the constraint; move the if clause to
5003 do so after those that reject the insn.
5004 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5006 (find_dummy_reload): Likewise.
5007 * doc/tm.texi (Register Classes): Document what it means
5008 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5009 * config/i386/i386.c (ix86_preferred_reload_class): Force
5010 using SSE registers (and return NO_REGS for floating-point
5011 constants) if math is done with SSE.
5012 (ix86_preferred_output_reload_class): New.
5013 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5014 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5015 * config/i386/i386.md: Remove # register preferences.
5017 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5020 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5021 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5022 the type of nb_iter.
5023 (instantiate_parameters_1): Convert the operands before calling
5024 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5025 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5027 2006-04-02 Roger Sayle <roger@eyesopen.com>
5029 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5030 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5032 * dojump.c (do_jump): Likewise.
5033 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5034 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5035 gimplify_boolean_expr): Likewise.
5036 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5037 * varasm.c (array_size_for_constructor): Likewise.
5038 * tree-object-size.c (compute_object_offset): Likewise.
5040 2006-04-02 Roger Sayle <roger@eyesopen.com>
5043 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5044 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5046 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5048 PR tree-optimization/26939
5049 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5051 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5053 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5054 at_stmt. Convert the type of operands before calling
5055 build_polynomial_chrec.
5056 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5058 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5059 (instantiate_parameters_1): Convert the type of operands before calling
5060 build_polynomial_chrec.
5061 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5062 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5063 reset_evolution_in_loop): Insert asserts to check the types of the
5065 (chrec_type): Moved...
5066 (eq_evolutions_p): Use operand_equal_p.
5067 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5068 the types of the operands.
5069 (chrec_type): ...here.
5070 * tree-data-ref.c (create_data_ref): Convert the operands before
5071 calling chrec_replace_initial_condition.
5072 (same_access_functions, analyze_subscript_affine_affine,
5073 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5074 (compute_subscript_distance, analyze_ziv_subscript,
5075 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5076 analyze_miv_subscript): Convert the operands before calling
5077 chrec_fold_minus or chrec_fold_plus.
5079 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5081 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5082 the dependence_relations vector.
5083 (compute_data_dependences_for_loop): Adjust call to
5084 compute_all_dependences.
5086 2006-04-01 Roger Sayle <roger@eyesopen.com>
5087 Richard Henderson <rth@redhat.com>
5089 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5090 gimple_boolify on the condition before calling gimplify_expr.
5092 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5094 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5095 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5096 the frame size. Update to use the new macros.
5097 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5098 * config/xtensa/ieee754-df.S: Likewise.
5100 2006-03-31 Richard Henderson <rth@redhat.com>
5102 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5103 (make_edges): ... here. Control fallthru creation with a local
5104 variable. Do not play with fake edges.
5105 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5106 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5109 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5111 * dwarf2.h (DW64_CIE_ID): Define.
5112 * dwarf2out.c (DWARF_CIE_ID): Define.
5113 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5114 length header. Use DWARF_CIE_ID.
5115 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5116 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5118 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5120 * config/sh/linux-atomic.asm: New file.
5121 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5123 2006-03-31 DJ Delorie <dj@redhat.com>
5125 * config/m32c/cond.md: Set condition flags properly throughout.
5126 * config/m32c/minmax.md: Likewise.
5127 * config/m32c/prologue.md: Likewise.
5128 * config/m32c/bitops.md: Likewise.
5129 * config/m32c/muldiv.md: Likewise.
5130 * config/m32c/mov.md: Likewise.
5131 * config/m32c/addsub.md: Likewise.
5132 * config/m32c/m32c.md: Likewise.
5133 * config/m32c/jump.md: Likewise.
5134 * config/m32c/shift.md: Likewise.
5136 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5137 conditionally output the pattern for this.
5138 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5139 (m32c_compare_redundant): New.
5140 (m32c_output_compare): New.
5141 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5143 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5144 dest, not src. Allow other 4-byte modes.
5146 2006-03-30 Denis Chertykov <denisc@overta.ru>
5148 * doc/md.texi: Refer to avr/constraints.md instead of
5151 2006-03-30 Roger Sayle <roger@eyesopen.com>
5153 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5154 signed vs. unsigned comparison failures on some hosts.
5156 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5159 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5160 change to FLOAT_REGS.
5162 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5163 (rs6000_override_options): Use it.
5164 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5165 only for -mabi=spe/no-spe and -mabi=altivec.
5167 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5169 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5172 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5174 * Makefile.in: Rename docdir to gcc_docdir.
5176 2006-03-30 Roger Sayle <roger@eyesopen.com>
5179 * expr.c (emit_group_store): Optimize group stores into a pseudo
5180 register by using a paradoxical subreg to initialize the destination
5181 if the first or last member of the group specifies a "low part".
5183 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5186 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5187 * target.h (struct gcc_target.speculate_insn): Change type of the
5188 second parameter to 'int'.
5189 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5190 the second operand of the DEPS_LIST.
5191 (copy_DEPS_LIST_list): Update reference to the second operand of the
5193 * rtl.h (alloc_DEPS_LIST): Update signature.
5194 * sched-int.h (ds_t): Change typedef to 'int'.
5195 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5197 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5199 * haifa-sched.c (try_ready): Change condition to restore
5200 non-speculative pattern of the instruction.
5201 (process_insn_depend_be_in_spec): Code to keep probability of the
5202 speculative dependence non-decreasing.
5204 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5206 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5207 (single_move_for_movmem): ... this. Also change all uses.
5208 (bfin_expand_strmov): Renamed to...
5209 (bfin_expand_movmem): ... this. Also change all uses.
5210 * config/bfin/bfin.md (movstrsi): Renamed to...
5211 (movstrsi): ...this.
5213 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5215 PR tree-optimization/26830
5217 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5218 (copy_prop_visit_stmt): Remove write-only variable ann.
5219 (init_copy_prop): Check variable loop depth here. Do not simulate
5220 memory-tag and virtual operand PHIs except for store copy prop.
5222 2006-03-30 Richard Guenther <rguenther@suse.de>
5224 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5225 variants with double arguments.
5227 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5229 * genpreds.c (write_tm_constrs_h): Delete variable p.
5230 * genconditions.c (write_header): Add tm-constrs.h to included
5232 * genpeep.c (main): Add toplev.h to included headers.
5233 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5234 (build/genpeep.o): Add toplev.h dependency.
5235 * config/rs6000/constraints.md: Add "W" constraint.
5237 2006-03-29 Roger Sayle <roger@eyesopen.com>
5239 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5240 sizes by correctly testing whether the size fits a host integer.
5241 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5242 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5243 SImode range for the default sizetype and bitsizetype.
5245 2006-03-29 Roger Sayle <roger@eyesopen.com>
5247 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5248 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5249 quickly if the argument is already of the correct type.
5250 Call fold_build1 instead of build1. Tidy up blank lines.
5252 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5254 * genemit.c (main): Add tm-constrs.h to included headers.
5255 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5256 * genpeep.c (main): Add tm-constrs.h to included headers.
5257 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5258 (write_tm_constrs_h): this and write complete file.
5259 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5260 (write_insn_preds_c): Add tm-constrs.h to included headers.
5261 (gen_constrs): New variable.
5262 (parse_option): Parse "-c".
5263 (main): Invoke write_tm_constrs_h.
5264 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5265 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5266 (object_out_file): Add tm-constrs.h dependency.
5267 (insn-emit.o): Same.
5268 (insn-output.o): Same.
5269 (insn-peep.o): Same.
5270 (insn-preds.o): Same.
5271 (insn-recog.o): Same.
5272 (tm-constsr.h): New target.
5273 (s-constrs-h): New target.
5275 * config/rs6000/constraints.md: New file.
5276 * config/rs6000/rs6000.c: Include tm-constrs.h.
5277 (num_insn_constant_wide): Convert to satisfies_constraint.
5278 (rs6000_rtx_costs): Convert to satisfies_constraint.
5279 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5280 (CONST_OK_FOR_LETTER_P): Delete.
5281 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5282 (EXTRA_CONSTRAINT): Delete.
5283 (EXTRA_MEMORY_CONSTRAINT): Delete.
5284 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5285 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5286 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5287 satisfies_constraint.
5289 * config/i386/i386.c: Include tm-constrs.h.
5291 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5293 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5294 * tree-data-ref.c (find_data_references_in_loop,
5295 compute_data_dependences_for_loop): Use pointers to VEC.
5296 (analyze_all_data_dependences): Adjust calls.
5297 * tree-data-ref.h (find_data_references_in_loop,
5298 compute_data_dependences_for_loop): Adjust declarations.
5299 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5300 compute_data_dependences_for_loop.
5302 2006-03-29 Paul Brook <paul@codesourcery.com>
5304 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5307 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5309 PR tree-optimization/26859
5310 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5312 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5313 for the step after fold_convert.
5315 2006-03-29 Paul Brook <paul@codesourcery.com>
5317 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5318 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5320 2006-03-29 Paul Brook <paul@codesourcery.com>
5323 * targhooks.c (default_narrow_bitfield): New fuction.
5324 * targhooks.h (default_narrow_bitfield): add prototype.
5325 * target.h (gcc_target): Add narrow_volatile_bitfield.
5326 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5327 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5328 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5329 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5331 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5333 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5335 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5336 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5337 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5338 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5339 (s390_function_arg_float): Allow SDmode and DDmode values to be
5340 passed in floating point registers.
5341 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5342 check with SCALAR_FLOAT_MODE_P.
5343 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5345 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5347 PR tree-optimization/25985
5348 * tree-ssa-loop-niter.c (number_of_iterations_le,
5349 number_of_iterations_ne): Make comments more precise.
5350 (number_of_iterations_cond): Add only_exit argument. Use the
5351 fact that signed variables do not overflow only when only_exit
5353 (loop_only_exit_p): New.
5354 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5355 number_of_iterations_cond.
5357 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5359 PR tree-optimization/26643
5360 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5363 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5365 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5366 (divsi3_i4_int): Likewise.
5368 2006-03-28 Roger Sayle <roger@eyesopen.com>
5370 * expr.c (emit_group_store): Only create a new pseudo reg if the
5371 quantity it needs to hold isn't already a suitable pseudo.
5373 2006-03-28 Jeff Law <law@redhat.com>
5375 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5376 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5378 2006-03-28 Roger Sayle <roger@eyesopen.com>
5380 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5381 the equivalent ~X & Y, and the symmetry related transformations.
5382 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5383 ~X & Y, and symmetry related transforms.
5385 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5387 Revert my 2006-03-27 patches.
5389 2006-03-28 Roger Sayle <roger@eyesopen.com>
5391 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5392 ~(T1)X, when T1 and T2 are integer types of the same precision
5393 and (T2)X isn't an extension.
5395 2006-03-28 Jeff Law <law@redhat.com>
5397 PR tree-optimization/26796
5398 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5399 need EH edge cleanups rather than purging them immediately.
5400 (eliminate_degenerate_phis): Handle queued EH cleanups.
5402 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5404 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5407 2006-03-27 Roger Sayle <roger@eyesopen.com>
5410 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5411 cast BIT_NOT_EXPR operand to the correct type.
5413 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5415 * tree-loop-linear.c: Don't include varray.h.
5416 (gather_interchange_stats, try_interchange_loops,
5417 linear_transform_loops): Use VEC instead of VARRAY.
5418 * lambda-mat.c: Don't include varray.h.
5419 * tree-chrec.c: Same.
5420 * lambda-trans.c: Same.
5421 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5422 VEC instead of VARRAY.
5423 * tree-vectorizer.h: Idem.
5424 * tree-data-ref.c (dump_data_references,
5425 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5426 initialize_data_dependence_relation, finalize_ddr_dependent,
5427 compute_all_dependences, find_data_references_in_loop,
5428 compute_data_dependences_for_loop, analyze_all_data_dependences,
5429 free_dependence_relation, free_dependence_relations,
5430 free_data_refs): Idem.
5431 * tree-data-ref.h (data_reference_p, subscript_p): New.
5432 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5433 VEC instead of VARRAY.
5434 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5435 (find_data_references_in_loop, compute_data_dependences_for_loop,
5436 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5437 dump_data_dependence_relations, free_dependence_relations,
5438 free_data_refs): Adjust declaration.
5439 (lambda_transform_legal_p): Move declaration here...
5440 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5441 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5442 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5443 vect_analyze_data_refs): Use VEC instead of VARRAY.
5444 * lambda.h (lambda_transform_legal_p): ...from here.
5445 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5446 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5447 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5448 tree-chrec.o): Don't depend on VARRAY_H.
5450 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5452 * rtl.def (Copyright): Update date.
5453 (DEPS_LIST): Change type of the second operand to 'int'.
5454 * target.h (Copyright): Update date.
5455 (struct gcc_target.speculate_insn): Change type of the second parameter
5457 * lists.c (Copyright): Update date.
5458 (alloc_DEPS_LIST): Change signature. Update reference to the second
5459 operand of the DEPS_LIST.
5460 (copy_DEPS_LIST_list): Update reference to the second operand of the
5462 * rtl.h (Copyright): Update date.
5463 (alloc_DEPS_LIST): Update signature.
5464 * sched-int.h (Copyright): Update date.
5465 (ds_t): Change typedef to 'int'.
5466 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5468 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5470 * haifa-sched.c (Copyright): Update date.
5471 (try_ready): Change condition to restore non-speculative pattern
5473 (process_insn_depend_be_in_spec): Code to keep probability of the
5474 speculative dependence non-decreasing.
5476 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5478 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5479 shut up the compiler.
5481 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5483 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5484 to use lib prefix for target.
5485 ($(T)libic_invalidate_array_4-200.a): Likewise.
5486 ($(T)libic_invalidate_array_4a.a): Likewise.
5488 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5489 J"orn Rennecke <joern.rennecke@st.com>
5491 * superh.opt: New file.
5492 * sh.c (boardtype, osruntime): Remove.
5493 * superh.h (SUBTARGET_OPTIONS): Remove.
5494 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5496 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5497 arguments with ^ and/or [].
5499 * config.gcc (sh-*-*): Add quoting to account for quirk of
5501 Replace == with = in enable_incomplete_targets test.
5503 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5504 with MASK_LITTLE_ENDIAN.
5506 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5507 * config/sh/sh.opt: Added to some comments.
5508 * config/sh/superh.h: Removed some chaff.
5510 * config/sh/sh.opt: Add m4-[1234]00* options.
5511 * config/sh/sh.c (sh_handle_option): Likewise.
5512 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5513 (ic_invalidate_array_4-100.o): New rule.
5514 ($(T)libic_invalidate_array_4-100.a): Likewise.
5515 (ic_invalidate_array_4-200.o): Likewise.
5516 ($(T)libic_invalidate_array_4-200.a): Likewise.
5517 (ic_invalidate_array_4a.o): Likewise.
5518 ($(T)libic_invalidate_array_4a.a): Likewise.
5519 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5520 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5522 * config/sh/crt1.asm: Merged in profiling code.
5523 * config/sh/superh.h (STARTFILE_SPEC): Override.
5524 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5525 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5526 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5528 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5529 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5530 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5532 * sh.opt (mpretend-cmove): New option.
5533 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5534 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5535 (movsicc): Add TARGET_PRETEND_CMOVE code.
5537 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5539 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5540 s390_class_max_nregs): New function prototypes.
5541 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5542 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5543 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5544 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5546 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5548 * dwarf2out.c (add_location_or_const_value_attribute): Call
5549 tree_add_const_value_attribute if nothing else works.
5550 (reference_to_unused): New.
5551 (rtl_for_decl_init): Use reference_to_unused to decide whether
5552 to output an initializer.
5554 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5557 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5558 peephole removing spe frob_di_df_2.
5560 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5562 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5563 (subscript_dependence_tester_1): Declared.
5564 (print_dir_vectors, print_dist_vectors): New.
5565 (debug_data_dependence_relation): New.
5566 (dump_data_dependence_relation): Print more details.
5567 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5568 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5569 (save_dist_v, save_dir_v, add_outer_distances,
5570 build_classic_dist_vector_1): New.
5571 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5572 Don't test for lambda_vector_lexico_pos.
5573 (same_access_functions, add_multivariate_self_dist,
5574 add_other_self_distances, dir_from_dist): New.
5575 (build_classic_dir_vector): Replace implementation almost identical to
5576 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5578 (subscript_dependence_tester_1): New.
5579 (subscript_dependence_tester): Handle the lexicographically negative
5580 distance vectors by recomputing the dependence relation.
5581 (compute_affine_dependence): Remove parameter loop_nest_depth.
5582 (compute_self_dependence): Don't call compute_subscript_distance.
5583 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5584 Add a parameter for the loop_nest.
5585 (find_loop_nest_1, find_loop_nest): New.
5586 (compute_data_dependences_for_loop): Compute the loop nest, and give
5587 up if the nest is not well formed.
5588 * tree-data-ref.h (loop_p): New.
5589 (struct data_dependence_relation): Replace size_vect field with
5590 loop_nest, a vec of loops.
5591 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5592 (DDR_LOOP_NEST): New.
5593 (print_dir_vectors, print_dist_vectors,
5594 debug_data_dependence_relation): Declared.
5595 (index_in_loop_nest): New.
5596 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5597 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5600 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5602 * simplify-rtx.c (simplify_relational_operation): Call
5603 simplify_relational_operation_1 even if mode is VOIDmode.
5605 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5607 PR tree-optimization/26804
5608 * tree.h (DECL_CALL_CLOBBERED): New macro.
5609 (tree_decl_common): Add call_clobbered_flag.
5610 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5611 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5612 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5613 (mark_non_addressable): Ditto.
5614 * tree-ssa.c (verify_call_clobbered): New function.
5615 (verify_alias_info): Use it.
5616 * tree-pass.h (pass_reset_cc_flags): New prototype.
5617 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5618 (reset_cc_flags): New function.
5619 * passes.c (init_optimization_passes): Call reset_cc_flags after
5620 initializing referenced_vars.
5622 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5623 Roger Sayle <roger@eyesopen.com>
5626 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5627 to 1.0 for non-real operands. Implement A / A optimization for
5630 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5632 * config/i386/i386.c (size_cost): Correct the comment for
5633 cost of storing fp registers.
5634 (i386_cost): Likewise.
5635 (i486_cost): Likewise.
5636 (pentium_cost): Likewise.
5637 (pentiumpro_cost): Likewise.
5638 (k6_cost): Likewise.
5639 (athlon_cost): Likewise.
5640 (k8_cost): Likewise.
5641 (pentium4_cost): Likewise.
5642 (nocona_cost): Likewise.
5643 (generic64_cost): Likewise.
5644 (generic32_cost): Likewise.
5646 2006-03-24 Denis Chertykov <denisc@overta.ru>
5648 * config/avr/avr-protos.h (extra_constraint): Delete.
5649 (extra_constraint_Q): New declaration.
5650 * config/avr/constraints.md: New file.
5651 * config/avr/avr.md: Include it.
5652 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5653 (TMP_REGNO, ZERO_REGNO): Likewise.
5654 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5655 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5656 (extra_constraint): Delete.
5657 (extra_constraint_Q): Test for memory constraint 'Q'.
5658 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5659 (REG_CLASS_FROM_LETTER): Delete.
5660 (CONST_OK_FOR_LETTER_P): Delete.
5661 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5662 (EXTRA_CONSTRAINT): Delete.
5663 (TMP_REGNO): Delete.
5664 (ZERO_REGNO): Delete.
5666 2006-03-24 Jeff Law <law@redhat.com>
5668 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5669 directly. Call mark_new_vars_to_rename slightly earlier.
5671 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5673 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5675 (gen_compile_unit_die): Use new language types for Objective-C and
5677 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5678 DW_LANG_C_plus_plus.
5681 * config/t-darwin (crt3.o): Work around bug 26840.
5682 * config/darwin-crt3.c: Rewrite.
5683 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5685 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5687 * doc/invoke.texi: Document -femit-class-debug-always
5688 * common.opt: Add -femit-class-debug-always.
5690 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5692 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5693 index and base register.
5694 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5695 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5696 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5697 REGNO_OK_FOR_INDEX_P.
5698 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5700 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5701 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5702 REG_OK_FOR_BASE_P): Definitions removed.
5704 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5707 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5708 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5709 set yet or weren't marked as local yet.
5711 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5713 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5716 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5718 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5719 (rs6000_legitimate_small_data_p): Delete.
5720 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5721 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5722 and make static. Add forward declaration. Update uses.
5723 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5724 of offsettable_memref_p.
5725 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5726 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5728 2006-03-24 Jeff Law <law@redhat.com>
5730 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5731 around bug in immediate-use iterator.
5733 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5736 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5737 or __LITTLE_ENDIAN__.
5739 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5741 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5742 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5743 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5744 * config/sh/sh.opt (mdiv=): Amend description.
5745 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5746 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5747 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5748 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5749 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5750 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5751 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5752 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5753 TARGET_DIVIDE_CALL_FP.
5755 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5757 * haifa-sched.c (choose_ready): Fix type of the local variable.
5758 Move local variables. Add comment.
5759 (check_reg_live): Change signature. Make callable from debugger.
5760 * sched-int.h (check_reg_live): Update signature.
5761 * sched-ebb.c (check_reg_live): Update parameters.
5762 * sched-rgn.c (check_reg_live): Ditto.
5763 (region_head_or_leaf_p): Check pointer before dereferencing.
5764 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5765 before reload on optimization levels below 1.
5767 2006-03-23 Richard Henderson <rth@redhat.com>
5769 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5773 * config/alpha/predicates.md (local_symbolic_operand): Reject
5776 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5779 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5780 expressions which have overflowed constants.
5782 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5784 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5786 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5788 * cfgloopmanip.c (create_loop_notes): Removed.
5789 * final.c (final_scan_insn): Do not handle loop notes.
5790 * jump.c (squeeze_notes): Ditto.
5791 * cfglayout.c (skip_insns_after_block,
5792 duplicate_insn_chain): Ditto.
5793 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5795 * cfgloop.h (create_loop_notes): Declaration removed.
5797 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5799 * varasm.c (output_constant_pool): Restore fnname and fndecl
5801 (assemble_start_function): Adjust call accordingly.
5802 (assemble_end_function): Likewise.
5804 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5807 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5810 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5812 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5815 * system.h (ICE_EXIT_CODE): New macro.
5816 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5817 (diagnostic_action_after_output): Likewise.
5818 * gcc.c (fatal_ice): New function.
5819 (execute): Use it instead of fatal.
5820 (fancy_abort): Likewise.
5821 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5823 2006-03-22 Jeff Law <law@redhat.com>
5825 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5826 iv_analyze_result returning false.
5828 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5830 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5832 2006-03-22 Richard Henderson <rth@redhat.com>
5835 * except.c (duplicate_eh_regions_0): New.
5836 (duplicate_eh_region_1): Duplicate the children of the node as
5837 well as the node itself. Link them up properly.
5838 (duplicate_eh_region_2): Merge into ...
5839 (duplicate_eh_regions): ... here. Take copy_region argument, and
5840 copy only a sub-tree if asked. Simplify copying and fixup.
5841 (eh_region_outer_p): New.
5842 * except.h (duplicate_eh_regions): Update decl.
5843 (eh_region_outer_p): Declare.
5844 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5845 (lower_omp_master): Likewise.
5846 (lower_omp_ordered): Likewise.
5847 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5848 (move_stmt_r): Use it to remap labels. Handle recursion vs
5849 remap_decls_p properly.
5850 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5851 (find_outermost_region_in_block): New.
5852 (new_label_mapper): New.
5853 (move_sese_region_to_fn): Copy eh information to the new function
5855 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5857 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5860 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5862 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5863 into shared libraries.
5865 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5867 * doc/md.texi: Refer to i386/constraints.md instead of
5869 * config/i386/constraints.md: New file, extracted from...
5870 * config/i386/predicates.md: ...here.
5871 * config/i386/i386.md: Include constraints.md.
5873 2006-03-21 Jason Merrill <jason@redhat.com>
5875 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5878 * expr.c (init_block_move_fn): Force default visibility.
5879 (init_block_clear_fn): Likewise.
5880 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5881 * targhooks.c (default_external_stack_protect_fail): Likewise.
5883 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5885 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5886 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5887 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5888 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5889 (loadgp): Use mips_current_loadgp_style.
5890 (loadgp_noshared): New pattern.
5891 (sibcall_internal): Use MIPS_CALL.
5892 (sibcall_value_internal): Likewise.
5893 (sibcall_value_multiple_internal): Likewise.
5894 (call_internal): Likewise.
5895 (call_value_internal): Likewise.
5896 (call_value_multiple_internal): Likewise.
5897 (call_split): Use MIPS_CALL and add an 'S' constraint.
5898 (call_value_split): Likewise.
5899 (call_value_multiple_split): Likewise.
5900 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5901 (-mshared): New option.
5902 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5903 (mips_current_loadgp_style): Declare.
5904 * config/mips/mips.c (mips_classify_symbol): Avoid using
5905 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5906 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5907 TARGET_ABSOLUTE_ABICALLS.
5908 (override_options): Adjust comments. Improve the warning that is
5909 issued when -mabicalls and -G are used together.
5910 (mips_file_start): Remove comment.
5911 (mips_current_loadgp_style): New function.
5912 (mips_gnu_local_gp): New variable.
5913 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5915 (mips_output_function_prologue): Use mips_current_laodgp_style.
5916 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5917 the cprestore instruction.
5918 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5919 live for TARGET_ABSOLUTE_ABICALLS.
5920 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5921 (ASM_SPEC): Pass down -mshared and -mno-shared.
5922 (MIPS_CALL): New macro.
5923 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5925 * doc/invoke.texi (-mabicalls): Update documentation.
5926 (-mshared): Document.
5928 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5930 * config/ia64/unwind-hpux.c: New file.
5931 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5933 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5936 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5938 2006-03-21 Jeff Law <law@redhat.com>
5940 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5941 type conversions of a VR_VARYING source to a wider type.
5943 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5945 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5946 tm_file on Solaris 10 and later.
5947 (sparc64-*-solaris2*): Likewise.
5948 (sparc-*-solaris2*): Likewise.
5949 * config/sol26.h: Rename to config/sol2-6.h.
5950 * config/sol2-10.h: New file.
5952 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5955 * tree-ssa-pre.c (create_component_ref_by_pieces):
5958 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5961 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5962 return it immediately.
5964 2006-03-21 Michael Matz <matz@suse.de>
5966 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5968 (remove_arc, add_arc): Update num_out_arcs member.
5969 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5971 (cache_presence): New function.
5972 (compare_states_for_equiv): New function.
5973 (state_is_differed): Don't take number of outargs, adjust callers.
5974 Use new invariant for speeding up.
5975 (init_equiv_class): Create initial classes based on sorted
5977 (partition_equiv_class): Don't track out_arcs_num.
5978 (evaluate_equiv_classes): Call cache_presence on all states and
5981 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5983 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5984 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5985 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5986 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5988 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5989 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5990 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5991 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5992 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5994 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5995 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5996 (REGNO_REG_CLASS): ARGP is in PREGS.
5997 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5999 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6000 to deal with those addresses.
6001 * addresses.h: New file.
6002 * caller-save.c: Include "addresses.h".
6003 (init_caller_save): Use new base_reg_class function.
6004 * rtl-factoring.c: Include "addresses.h".
6005 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6006 * recog.c: Include "addresses.h".
6007 (preprocess_constraints): Use new base_reg_class function.
6008 * regrename.c: Include "addresses.h".
6009 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6010 functions. Keep track of a new var INDEX_CODE to compute valid
6012 (replace_oldest_value_addr): Likewise.
6013 (replace_oldest_value_mem): Use base_reg_class.
6014 * reload.c: Include "addresses.h".
6015 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6016 (find_reloads): Use new base_reg_class function.
6017 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6018 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6019 all callers and prototype changed.
6020 * reload1.c: Include "addresses.h".
6021 (maybe_fix_stack_asms): Use base_reg_class.
6022 * regclass.c: Include "addresses.h".
6023 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6024 (init_reg_autoinc): Use new base_reg_class function.
6025 (record_reg_classes): Likewise.
6026 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6027 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6028 Use new args to compute necessary class.
6030 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6031 regrename.o, rtl-factoring.o): Update dependencies.
6032 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6033 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6034 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6035 REG_OK_FOR_INDEX_P): Delete documentation.
6037 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6039 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6040 from V7 to V9 for Solaris 7 and above.
6042 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6044 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6045 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6046 argument pointers may not alias any other storage.
6047 * common.opt: Define option -fargument-noalias-anything.
6048 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6049 alias semantics is specified by flag_argument_noalias > 2.
6051 2006-03-20 Jeff Law <law@redhat.com>
6053 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6054 (pass_phi_only_cprop): Declare.
6055 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6057 * tree-ssa-dom.c (degenerate_phi_result): New function.
6058 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6059 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6060 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6061 (eliminate_degenerate_phis): Likewise.
6062 (pass_phi_only_cprop): New pass descriptor.
6063 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6064 support code. Callers updated.
6065 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6066 (store_copy_prop): Likewise.
6067 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6069 2006-03-20 Jason Merrill <jason@redhat.com>
6072 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6073 (push_visibility, pop_visibility): Likewise.
6074 * c-pragma.h: Declare them.
6076 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6078 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6080 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6081 parameter and use get_ebb_head_tail.
6082 (sh_md_init_global): Adjust uses of find_regmode_weight.
6084 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6086 * function.h (struct function) <x_tail_recursion_reentry>:
6087 Rename to x_stack_check_probe_note.
6088 (tail_recursion_reentry): Rename to stack_check_probe_note.
6089 * function.c: Replace tail_recursion_reentry with
6090 stack_check_probe_note everywhere.
6091 (expand_function_start): Only emit a note for
6092 stack_check_probe_note with -fstack-protect.
6093 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6095 * emit-rtl.c (remove_unnecessary_notes): Remove.
6096 (pass_remove_unnecessary_notes): Remove.
6097 * rtl.h (remove_unnecessary_notes): Remove prototype.
6098 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6099 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6100 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6102 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6105 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6106 (valid_in_set): Handle ARRAY_REF.
6107 Change "if min_variant or VH" to asserts.
6108 (create_component_ref_by_pieces): Handle ARRAY_REF.
6109 (create_expression_by_pieces): Likewise.
6110 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6112 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6114 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6115 is operand of switch, not str[0].
6117 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6119 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6120 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6122 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6124 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6125 end of insn_extra_address_constraint declaration.
6127 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6129 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6130 (no-sum-in-toc): Same.
6131 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6133 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6134 NO_FP_IN_TOC for -fPIC instead of mask.
6136 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6137 (BOOT_LDFLAGS): Delete.
6139 * config/rs6000/t-aix52: Same.
6141 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6142 (stmsi[345678]_power): New.
6144 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6146 * config/ia64/ia64.opt: Add empty line to end of file.
6148 2006-03-17 Richard Guenther <rguenther@suse.de>
6151 * builtins.c (get_pointer_alignment): For component style references
6152 adjust alignment to the component type alignment. Make sure
6153 to adjust alignment for component access of constants.
6155 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6157 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6160 2006-03-17 Paul Brook <paul@codesourcery.com>
6162 * doc/install.texi: Docuemnt --with-mode.
6163 * config.gcc: Add --with-mode for arm*-*-*.
6164 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6166 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6168 * sh.c (max_labelno_before_reorg): New variable.
6169 (sh_reorg): Initialize it.
6170 (find_barrier): Check max_labelno_before_reorg before using
6171 label_to_alignment. Take length of explicit alignment insns
6172 into account. When seeing a UNSPECV_CONST_END, return it.
6174 * sh.c (fixup_mova): Set mode of affected label to QImode.
6175 (untangle_mova): New function.
6176 (find_barrier): Use it. Check mode of label before decrementing
6178 (sh_reorg): Likewise.
6179 Set mode of all insns back to VOIDmode.
6181 * sh.c (MOVA_LABELREF): New macro.
6182 (mova_p, fixup_mova, sh_reorg): Use it.
6183 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6184 ADDR_DIFF_VEC matches mova.
6186 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6188 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6189 with ATTRIBUTE_UNUSED.
6191 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6193 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6194 pointer, instead of assuming it is possible to derive the
6195 correct args size from a call insn.
6197 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6199 * rtl.h (CONST_INT_P): Define.
6200 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6201 instead of GET_CODE(x) == CONST_INT.
6202 (vax_rtx_costs): Likewise.
6203 (vax_output_int_move): Likewise.
6204 (vax_output_int_add): Likewise.
6205 (legitimate_constant_address_p): Likewise.
6206 (index_term_p): Likewise.
6207 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6208 * config/vax/vax.md (and<mode>3): Likewise.
6209 (ashrsi3): Likewise.
6211 (movstricthi): Likewise.
6212 (movstrictqi): Likewise.
6213 (rotrsi3): Likewise.
6214 (five unnamed insns): Likewise.
6216 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6218 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6219 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6220 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6221 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6222 Pass to ASM_OUTPUT_DWARF_OFFSET.
6223 * dwarf2out.c (debug_frame_section): New.
6224 (output_call_frame_info): Use debug_frame_section. Pass it to
6225 dw2_asm_output_offset.
6226 (output_die): Pass appropriate section to dw2_asm_output_offset.
6227 (output_compilation_unit_header): Likewise.
6228 (output_pubnames): Likewise.
6229 (output_aranges): Likewise.
6230 (enum dw_val_class): Break dw_val_class_lbl_offset into
6231 dw_val_class_lineptr and dw_val_class_macptr.
6232 (add_AT_lbl_offset): Delete.
6233 (add_AT_lineptr): New.
6234 (add_AT_macptr): New.
6235 (AT_lbl): Expect a lineptr or macptr.
6236 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6237 (attr_checksum): Likewise.
6238 (same_dw_val_p): Likewise.
6239 (size_of_die): Likewise.
6240 (value_format): Likewise.
6241 (output_die): Likewise.
6242 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6244 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6245 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6246 * config/darwin-protos.h (darwin_file_start): New.
6247 (darwin_asm_output_dwarf_offset): New.
6248 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6249 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6251 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6252 if not EH section; simplify.
6253 (darwin_file_start): New.
6254 (darwin_asm_output_dwarf_offset): New.
6255 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6257 (DEBUG_INFO_SECTION): Likewise.
6258 (DEBUG_ABBREV_SECTION): Likewise.
6259 (DEBUG_ARANGES_SECTION): Likewise.
6260 (DEBUG_MACINFO_SECTION): Likewise.
6261 (DEBUG_LINE_SECTION): Likewise.
6262 (DEBUG_LOC_SECTION): Likewise.
6263 (DEBUG_PUBNAMES_SECTION): Likewise.
6264 (DEBUG_STR_SECTION): Likewise.
6265 (DEBUG_RANGES_SECTION): Likewise.
6266 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6267 (ASM_OUTPUT_DWARF_OFFSET): New.
6269 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6271 * config.gcc (tm_defines): Always add to previous value rather
6274 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6276 * config/mips/predicates.md (splittable_const_int_operand): New,
6277 split from move_operand.
6278 (splittable_symbolic_operand): New.
6279 (move_operand): Add commentary. Use splittable_const_int_operand.
6280 Inline mips_atomic_symbolic_constant_p.
6281 * config/mips/mips.md: Add combine splitters for handling moves
6282 of splittable_const_int_operands and splittable_symbolic_operands.
6283 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6284 (mips_split_symbol): Declare.
6285 (mips_move_integer): Declare.
6286 * config/mips/mips.c (mips_split_p): Make global.
6287 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6288 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6289 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6290 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6291 (mips_offset_within_object_p): Handle block symbols.
6292 (mips_atomic_symbolic_constant_p): Delete.
6293 (mips_cannot_force_const_mem): Return false for constants that
6294 mips_legitimize_move can handle.
6295 (mips_use_blocks_for_constant_p): New function.
6296 (mips_split_symbol): Make global.
6297 (mips_move_integer): Likewise. Add a temporary register argument.
6298 (mips_legitimize_const_move): Use splittable_const_int_operand and
6299 splittable_symbolic_operand.
6300 (mips_use_anchors_for_symbol_p): New function.
6301 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6302 (mips_split_p): Declare.
6304 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6306 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6307 (mips*-*-linux*): Likewise.
6309 2006-03-16 Roger Sayle <roger@eyesopen.com>
6310 Daniel Speyer <dspeyer@wam.umd.edu>
6313 * tree-dump.c (dump_real): New function.
6314 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6315 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6316 (tree-dump.o): Add $(REAL_H) to the dependencies.
6318 2006-03-16 Roger Sayle <roger@eyesopen.com>
6321 * real.c (real_from_string): If the mantissa is zero, don't bother
6322 parsing the exponent as the result should always be zero.
6324 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6326 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6328 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6330 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6331 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6332 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6333 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6334 ia64_sched_finish_global): New static functions to implement
6335 hooks from gcc_target.sched.
6336 (spec_check_no, max_uid, pending_data_specs): New static variables.
6337 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6338 ia64_spec_check_src_p): New static functions.
6339 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6340 (TARGET_SCHED_ADJUST_COST): Removed.
6341 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6342 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6343 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6344 TARGET_SCHED_GEN_CHECK,
6345 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6346 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6347 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6348 Fixed to handle speculation checks.
6349 (rtx_needs_barrier): Fixed to handle speculative loads and
6351 (ia64_variable_issue): Added code to count speculative loads and their
6353 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6355 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6357 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6359 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6360 (ia64_reorg): Reset stops_p to NULL after it is freed.
6361 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6362 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6363 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6365 (data_speculative, control_speculative, check_load): New attributes.
6366 (mov<mode>_advanced, mov<mode>_speculative,
6367 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6368 zero_extend<mode>di2_speculative,
6369 zero_extend<mode>di2_speculative_advanced): New patterns for
6370 data and control speculative loads.
6371 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6373 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6374 New pattern for data and control speculation checks.
6375 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6376 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6377 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6378 Auxiliary definitions for the patterns.
6379 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6380 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6382 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6384 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6385 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6386 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6387 New resource constraints.
6388 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6390 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6391 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6392 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6393 msched-in-control-spec, msched-ldc, msched-control-ldc,
6394 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6395 msched-prefer-non-control-spec-insns,
6396 msched-count-spec-in-critical-path): New flags to tune speculative
6398 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6399 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6400 msched-in-control-spec, msched-ldc, msched-control-ldc,
6401 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6402 msched-prefer-non-control-spec-insns,
6403 msched-count-spec-in-critical-path): Document new flags.
6405 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6407 * target.h (struct spec_info_def): New opaque declaration.
6408 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6409 speculate_insn, needs_block_p, gen_check,
6410 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6411 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6412 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6413 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6414 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6415 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6417 (TARGET_SCHED): Use new macros.
6418 * rtl.h (copy_DEPS_LIST_list): New prototype.
6419 * sched-int.h (struct sched_info): Change signature of new_ready field,
6420 adjust all initializations. New fields: add_remove_insn,
6421 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6422 region_head_or_leaf_p.
6423 (struct spec_info_def): New structure declaration.
6424 (spec_info_t): New typedef.
6425 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6426 recovery_block, orig_pat.
6427 (glat_start, glat_end): New variables declaraions.
6428 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6430 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6431 DETACH_LIFE_INFO, USE_GLAT.
6432 (enum SPEC_SCHED_FLAGS): New enumeration.
6433 (NOTE_NOTE_BB_P): New macro.
6434 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6435 attach_life_info, debug_spec_status, check_reg_live): New functions.
6436 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6437 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6439 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6440 * ddg.c (get_block_head_tail): Adjust all uses.
6441 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6442 (sms_sched_info): Initialize new fields.
6443 (contributes_to_priority): Removed.
6444 * haifa-sched.c (params.h): New include.
6445 (get_block_head_tail): Adjust all uses.
6446 (ISSUE_POINTS): New macro.
6447 (glat_start, glat_end): New global variables.
6448 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6449 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6450 old_last_basic_block, before_recovery, current_sched_info_var,
6451 rgn_n_insns, luid): New static variables.
6452 (insn_cost1): New function. Move logic from insn_cost to here.
6453 (find_insn_reg_weight1): New function. Move logic from
6454 find_insn_reg_weight to here.
6455 (reemit_notes, move_insn, max_issue): Change signature.
6456 (move_insn1): Removed.
6457 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6458 extend_bb): New static functions to support extension of scheduler's
6460 (generate_recovery_code, process_insn_depend_be_in_spec,
6461 begin_speculative_block, add_to_speculative_block,
6462 init_before_recovery, create_recovery_block, create_check_block_twin,
6463 fix_recovery_deps): New static functions to support
6464 generation of recovery code.
6465 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6466 restore_bb_notes, move_block_after_check, move_succs): New static
6467 functions to support ebb scheduling.
6468 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6469 functions to support handling of register live information.
6470 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6471 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6472 add_jump_dependencies): New static functions.
6473 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6474 consistancy checking.
6475 (debug_spec_status): New function to call from debugger.
6476 (priority): Added code to handle speculation checks.
6477 (rank_for_schedule): Added code to distinguish speculative instructions.
6478 (schedule_insn): Added code to handle speculation checks.
6479 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6480 Fixed to handle ebbs.
6481 (move_insn): Added code to handle ebb scheduling.
6482 (max_issue): Added code to use ISSUE_POINTS of instructions.
6483 (choose_ready): Added code to choose between speculative and
6484 non-speculative instructions.
6485 (schedule_block): Added code to handle ebb scheduling and scheduling of
6486 speculative instructions.
6487 (sched_init): Initialize new variables.
6488 (sched_finish): Free new variables. Print statistics.
6489 (try_ready): Added code to handle speculative instructions.
6490 * lists.c (copy_DEPS_LIST_list): New function.
6491 * sched-deps.c (extend_dependency_caches): New function. Move logic
6492 from create_dependency_caches to here.
6493 (get_dep_weak, ds_merge): Make global.
6494 * genattr.c (main): Code to output prototype for
6495 dfa_clear_single_insn_cache.
6496 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6497 (output_dfa_clean_insn_cache_func): Code to output
6498 dfa_clear_single_insn_cache function.
6499 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6501 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6503 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6504 New static variables.
6505 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6506 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6508 (ebb_sched_info): Initialize new fields.
6509 (get_block_head_tail): Adjust all uses.
6510 (compute_jump_reg_dependencies): Fixed to use glat_start.
6511 (schedule_ebb): Code to remove unreachable last block.
6512 (schedule_ebbs): Added code to update register live information.
6513 * sched-rgn.c (region_sched_info): Initialize new fields.
6514 (get_block_head_tail): Adjust all uses.
6515 (last_was_jump): Removed. Adjust users.
6516 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6517 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6518 Implement new hooks.
6519 (check_dead_notes1): New static function.
6520 (struct region): New fields: dont_calc_deps, has_real_ebb.
6521 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6522 (BB_TO_BLOCK): Fixed to handle EBBs.
6523 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6524 (ebb_head): New static variable.
6525 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6526 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6528 (compute_dom_prob_ps): New assertion.
6529 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6530 global_live_at_start.
6531 (init_ready_list): New assertions.
6532 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6533 (new_ready): Add support for BEGIN_CONTROL speculation.
6534 (schedule_insns): Fixed code that updates register live information
6536 (schedule_region): Fixed to handle EBBs.
6537 (init_regions): Use extend_regions and check_dead_notes1.
6538 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6539 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6540 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6541 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6542 TARGET_SCHED_GEN_CHECK,
6543 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6544 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6545 * doc/invoke.texi (max-sched-insn-conflict-delay,
6546 sched-spec-prob-cutoff): Document.
6548 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6550 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6551 inter_tick, queue_index.
6552 (struct sched_info): Change signature of init_ready_list field.
6553 Adjust all initializations.
6554 (RESOLVED_DEPS): New access macro.
6555 (ready_add): Remove prototype.
6556 (try_ready): Add prototype.
6557 * sched-rgn.c (init_ready_list): Use try_ready.
6558 (schedule_region): Initialize
6559 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6560 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6561 (init_ready_list): Use try_ready.
6562 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6563 * lists.c (remove_list_elem): Remove `static'.
6564 (remove_free_INSN_LIST_elem): New function.
6565 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6566 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6567 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6569 (readyp): New variable.
6570 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6571 change_queue_index, resolve_dep): New static functions.
6572 (try_ready): New function. Adjust callers in sched-rgn.c and
6573 sched-ebb.c to use it instead of ready_add.
6574 (clock_var): Move at the begining of file.
6575 (rank_for_schedule): Fix typo.
6576 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6577 (ready_lastpos): Enforce assertion.
6578 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6580 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6581 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6582 (queue_to_ready): Use free_INSN_LIST_list.
6583 (early_queue_to_ready): Fix typo.
6584 (schedule_block): Init readyp. Move init_ready_list call after the
6585 initialization of clock_var. Fix error in rejecting insn by
6586 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6587 that previously corrected INSN_TICKs. Add code for handling
6589 (set_priorities): Fix typo.
6590 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6591 Clarify comment and code that keeps current_sched_info->next_tail
6594 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6596 * sched-rgn.c (extend_rgns): New static function.
6597 (find_rgns): Use it.
6598 (gather_region_statistics, print_region_statistics): New static
6600 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6601 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6603 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6604 Andrey Belevantsev <abel@ispras.ru>
6606 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6607 * lists.c (unused_deps_list): New variable.
6608 (free_list): Add assertions to verify the proper distinguishing
6609 between INSN_LISTs and DEPS_LISTs.
6610 (find_list_elem, remove_list_elem, remove_list_node): New static
6612 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6613 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6614 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6615 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6617 (free_INSN_LIST_node): Likewise.
6618 * modulo-sched.c (current_sched_info): Initialize flags field.
6619 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6620 * rtl.def (DEPS_LIST): Define.
6621 * rtl.h: Declare new functions from lists.c.
6622 * sched-deps.c (spec_dependency_cache): New static variable.
6623 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6624 (add_dependence): Change return type to void. Move the logic to ...
6625 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6626 (delete_all_dependences): Add comment about forward_dependency_cache.
6627 Handle spec_dependency_cache. Handle DEPS_LISTs.
6628 (fixup_sched_groups): Clarify the change of priority of output
6629 and anti dependencies.
6630 (sched_analyze_2): Adjust add_dependence calls to create data
6631 speculative dependence.
6632 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6633 Adjust all callers. Handle DEPS_LISTS.
6634 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6635 presence of speculation.
6636 (init_dependency_caches, free_dependency_caches):
6637 Handle spec_dependency_cache.
6638 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6639 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6640 New static functions.
6641 (add_or_update_back_dep, add_or_update_back_forw_dep,
6642 add_back_forw_dep, delete_back_forw_dep): New functions.
6643 * sched-int.h (ds_t, dw_t): New typedefs.
6644 (struct sched_info): Add new field flags.
6645 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6646 Prototype new sched-deps.c functions.
6647 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6648 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6649 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6650 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6651 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6652 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6654 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6656 * sched-rgn.c (current_sched_info): Initialize flags field.
6657 (schedule_insns): Initialize current_sched_info before the sched_init
6659 * sched-ebb.c (current_sched_info): Initialize flags field.
6660 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6661 Call add_or_update_back_dep instead of add_dependence.
6662 Create control speculative dependencies.
6663 (schedule_insns): Initialize current_sched_info before the sched_init
6666 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6668 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6670 (sh_fallback_frame_state): Likewise.
6672 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6674 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6675 Do switch on default_use_cxa_atexit.
6676 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6677 * config/darwin-crt3.o: New.
6678 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6679 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6680 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6682 * config/rs6000/t-darwin: Move crt2.o building to here.
6683 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6684 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6687 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6689 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6690 from '! xxx' to '!xxx' for coding-style conformance.
6691 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6692 (EXTRA_CONSTRAINT): Likewise.
6693 * config/vax/vax.md (four unnamed insns): Likewise.
6695 2006-03-15 Paul Brook <paul@codesourcery.com>
6697 * config/arm/arm.c (minipool_pad): New.
6698 (add_minipool_forward_ref): Include pool alignment padding in address
6700 (push_minipool_fix): Set minipool_pad.
6701 (minipool_pad): Ditto.
6703 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6705 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6706 instead of GET_CODE() == MEM and REG_P() instead of
6708 (print_operand_address): Likewise.
6709 (vax_address_cost): Likewise.
6710 (vax_rtx_costs): Likewise.
6711 (vax_notice_update_cc): Likewise.
6712 (vax_output_int_add): Likewise.
6713 (INDEX_REGISTER_P): Likewise.
6714 (BASE_REGISTER_P): Likewise.
6715 (nonindexed_address_p): Likewise.
6716 (vax_mode_dependent_address_p): Likewise.
6717 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6718 (PRINT_OPERAND): Likewise.
6719 * config/vax/vax.md (ashlsi3): Likewise.
6720 (ashlsi3): Likewise.
6721 (some more unnamed insns): Likewise.
6723 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6725 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6726 iterator-style macro.
6727 (mark_control_dependent_edges_necessary): Update the use of
6728 EXECUTE_IF_CONTROL_DEPENDENT.
6730 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6732 * config/sh/predicates.md (cache_address_operand): Special.
6733 (ua_address_operand): Likewise.
6735 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6737 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6739 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6741 2006-03-15 Andreas Schwab <schwab@suse.de>
6743 * gensupport.c (identify_predicable_attribute): Don't free p_false
6744 when it is still in use.
6746 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6748 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6749 the default setting here.
6751 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6753 * tree-pass.h (pass_cfg): Remove.
6754 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6755 * passes.c (pass_cfg): Don't run it.
6757 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6759 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6760 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6762 (stack_regs_mentioned): Update the uses of
6763 stack_regs_mentioned_data. Don't access the array beyond its
6765 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6766 Don't include gt-reg-stack.h.
6768 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6769 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6771 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6774 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6777 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6779 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6781 2006-03-14 Richard Guenther <rguenther@suse.de>
6783 PR tree-optimization/26672
6784 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6787 2006-03-14 Richard Guenther <rguenther@suse.de>
6789 PR tree-optimization/26667
6790 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6791 node for the callees. Always allow inlining if it will shrink
6794 2006-03-14 Richard Guenther <rguenther@suse.de>
6797 * builtins.c (get_pointer_alignment): Prefer alignment
6798 information from decls over that from types.
6800 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6803 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6805 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6807 * config/rs6000/rs6000.opt (mdlmzb): New option.
6808 (msched-prolog, msched-epilog): Use Var not Mask.
6809 * doc/invoke.texi (-mdlmzb): Document.
6810 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6812 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6813 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6815 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6817 PR rtl-optimization/25739
6818 * bt-load.c (augment_live_range): Free tos pointer.
6820 * gensupport.c (identify_predicable_attribute): Free
6822 * gcov.c (create_file_names): Free name pointer.
6824 2006-03-13 Roger Sayle <roger@eyesopen.com>
6827 * stmt.c (emit_case_nodes): Handle the case where the index is a
6828 CONST_INT, where the comparison mode is specified by the index type.
6830 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6832 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6835 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6837 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6838 (*branch_fp_inverted): Likewise.
6840 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6843 * omp-low.c (expand_omp_for_generic): Mark istart0
6844 and iend0 as addressable.
6846 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6848 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6850 2006-03-13 Jeff Law <law@redhat.com>
6852 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6853 virtual operands are interesting.
6854 (vrp_visit_stmt): Corresponding changes.
6856 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6858 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6860 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6861 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6862 * config/bfin/crti.S: Use it instead of __PIC__.
6863 * config/bfin/crtn.S: Likewise.
6865 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6866 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6868 Lose 'G' modifier for call operand.
6869 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6870 recognize 'G' modifier.
6872 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6875 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6876 * stmt.c (expand_case): Likewise.
6878 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6880 PR rtl-optimization/26254
6881 * loop-invariant.c (seq_insns_valid_p): New function.
6882 (move_invariant_reg): Only emit new code if it is valid.
6884 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6886 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6888 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6889 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6890 (commit_one_edge_insertion): Do not look for loop notes.
6892 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6894 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6895 flag_test_coverage out of loop.
6897 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6899 * final.c (shorten_branches): Remove outdated comment, and turn
6900 the if branch that guards it to continue.
6902 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6904 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6905 * cfgloop.h (struct loop): Remove unused fields.
6907 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6909 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6910 (-dL, -fdump-rtl-loop2): Update the dump file names
6912 * doc/invoke.texi: Update dump file names.
6914 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6916 * predict.c (estimate_probability): Remove.
6917 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6918 * basic-block.h (estimate_probability): Remove prototype.
6919 * passes.c (finish_optimization_passes): Dump branch prediction or
6920 profiling heuristics to the .profile tree dump.
6921 (init_optimization_passes): Unqueue pass_branch_prob.
6923 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6925 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6927 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6928 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6930 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6932 * function.h (frame_offset_overflow): Declare.
6933 * function.c (frame_offset_overflow): New function.
6934 (assign_stack_local_1): Call it to detect that the offset overflows.
6935 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6937 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6939 * config/sh/sh.c: Include alloc-pool.h.
6940 (label_ref_list_pool): New alloc pool.
6941 (label_ref_list_t): New type for lists of labels.
6942 (struct pool_node): Make wend a label_ref_list_t.
6943 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6945 (dump_table): Likewise.
6946 (sh_reorg): Set up the alloc pool before using add_constant and
6947 dump_table, and destroy it when finishing.
6949 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6951 * config/mips/mips.c: Remove redundant comment.
6953 2006-03-10 Jason Merrill <jason@redhat.com>
6956 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6957 the target was declared 'register'.
6959 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6961 * genpreds.c (write_insn_constraint_len): Change definition of
6962 insn_constraint_len to return size_t to match the declaration.
6964 2006-03-10 DJ Delorie <dj@redhat.com>
6966 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6968 (m32c_expand_insv): Fix test for an AND mask.
6970 2006-03-10 Richard Guenther <rguenther@suse.de>
6973 * builtins.c (get_pointer_alignment): Handle component
6974 references for field alignment.
6976 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6978 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6979 when building with libgloss.
6980 (sh*elf): Implement --without-fp option.
6981 (sh64-superh-linux*): Don't multilib.
6983 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6985 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6987 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6989 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6990 Set it when one of the replacement functions returned true.
6991 Return TODO_cleanup_cfg if cfgchanged is true.
6992 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6994 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6996 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6997 instead of gen_lowpart.
6999 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7001 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7003 (mips_output_order_conditional_branch): Declare.
7004 * config/mips/mips.h (MIPS_BRANCH): New macro.
7005 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7006 for the comparison. Use gen_condjump.
7007 (mips_output_conditional_branch): Rework interface to take the
7008 asm templates for a direct branch and the inverse of a direct branch.
7009 (mips_output_order_conditional_branch): New function.
7010 (mips_builtin_branch_and_move): New function.
7011 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7012 branch condition. Use gen_single_cc as the condition for
7013 __builtin_mips_upper_* or __builtin_mips_lower_*.
7014 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7015 Use VOIDmode for the branch condition.
7016 * config/mips/predicates.md (order_operator): New predicate.
7017 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7018 (branch_fp): Rename to...
7019 (*branch_fp): ...this. Remove mode from comparison operator.
7020 Use new mips_output_conditional_branch interface.
7021 (branch_fp_inverted): Rename to...
7022 (*branch_fp_inverted): ...this and update as for *branch_fp.
7023 (*branch_zero<mode>): Rename to...
7024 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7025 Use mips_output_order_conditional_branch. Only accept ordered
7027 (*branch_zero<mode>_inverted): Rename to...
7028 (*branch_order<mode>_inverted): ...this and update as for
7029 *branch_order<mode>.
7030 (*branch_equality<mode>): Accept zero as the second operand to
7031 the equality operator. Use the new mips_output_conditional_branch
7033 (*branch_equality<mode>_inverted): Likewise.
7034 (condjump): New expander.
7035 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7037 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7038 (bc1any2t, bc1any2f): Likewise.
7039 (single_cc): New expander.
7040 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7042 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7044 * doc/md.texi: Update documentation of MIPS constraints.
7045 * config/mips/constraints.md: New file.
7046 * config/mips/mips.md: Include it.
7047 * config/mips/mips.c (mips_char_to_class): Delete.
7048 (override_options): Don't initialize mips_char_to_class.
7049 * config/mips/mips.h (mips_char_to_class): Delete.
7050 (REG_CLASS_FROM_LETTER): Delete.
7051 (CONST_OK_FOR_LETTER_P): Delete.
7052 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7053 (EXTRA_CONSTRAINT_Y): Delete.
7054 (EXTRA_CONSTRAINT_STR): Delete.
7055 (CONSTRAINT_LEN): Delete.
7056 (EXTRA_MEMORY_CONSTRAINT): Delete.
7058 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7060 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7061 original fn's eh regions.
7063 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7065 * fold-const.c (build_range_check): Make sure to use a valid type to
7066 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7069 (range_predecessor): New static function.
7070 (range_successor): Likewise.
7071 (merge_ranges): Use them to compute predecessors and successors of
7074 2006-03-09 Roger Sayle <roger@eyesopen.com>
7077 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7078 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7080 2006-03-08 DJ Delorie <dj@redhat.com>
7082 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7083 (addpsi3): Expand to include memory operands. Remove
7084 reload-specific splits.
7085 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7086 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7087 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7088 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7089 (shift1_qi, shift1_hi, insv): New.
7090 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7091 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7092 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7094 * config/m32c/m32c-protos.h: Update as needed.
7095 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7096 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7097 Fail for unrecognized R* constraints.
7098 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7099 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7100 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7102 (m32c_init_libfuncs): New.
7103 (m32c_legitimate_address_p): Add debug wrapper.
7104 (m32c_rtx_costs): New.
7105 (m32c_address_cost): New.
7106 (conversions): Add 'B' prefix.
7107 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7108 operands, or word regnames for QI operands. 'B' prints bit
7110 (m32c_expand_setmemhi): New.
7111 (m32c_expand_movmemhi): New.
7112 (m32c_expand_movstr): New.
7113 (m32c_expand_cmpstr): New.
7114 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7115 (m32c_expand_neg_mulpsi3): Handle non-ints.
7116 (m32c_cmp_flg_0): New.
7117 (m32c_expand_movcc): New.
7118 (m32c_expand_insv): New.
7119 (m32c_scc_pattern): New.
7120 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7121 a0/a1 out of SIregs.
7122 (STORE_FLAG_VALUE): New.
7123 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7126 * config/m32c/mov.md: Make constraints more liberal.
7127 (zero_extendqihi2): Optimize r0/r1 case.
7128 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7129 * config/m32c/predicates.md (m32c_any_operand): New.
7130 (m32c_nonimmediate_operand): New.
7131 (m32c_hl_operand): New.
7132 (m32c_r3_operand): New.
7135 (memsym_operand): New.
7136 (memimmed_operand): New.
7137 (a_qi_operand): New.
7138 (m32c_eqne_operator): New.
7139 (m32c_1bit8_operand): New.
7140 (m32c_1bit16_operand): New.
7141 (m32c_1mask8_operand): New.
7142 (m32c_1mask16_operand): New.
7143 * config/m32c/blkmov.md: New file.
7144 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7146 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7148 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7149 unsigned to fix signed/unsigned comparison issue in
7150 DWARF2_FRAME_REG_OUT.
7151 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7152 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7154 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7155 of ptr into the ENABLE_CHECKING section.
7157 2006-03-08 Jeff Law <law@redhat.com>
7159 * tree-vrp.c (infer_value_range): Only count pointer uses
7160 and dereferences if -fdelete-null-pointer-checks is enabled.
7162 * tree-vrp.c (find_assert_locations): Infer value ranges for
7163 single use pointers, but do not create ASSERT_EXPRs for them.
7164 When a non-null range is inferred for a pointer, backwards
7165 propagate that range to other equivalent pointers through the
7168 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7171 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7172 language hook targets.
7173 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7174 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7175 if language hook targets were missing.
7177 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7179 * tree-ssa-opfinalize.h: Removed.
7180 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7182 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7183 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7184 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7185 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7186 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7187 finalize_ssa_v_must_def_ops): New.
7189 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7191 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7194 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7196 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7198 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7199 addresses with offsets; reorganize.
7201 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7202 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7203 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7205 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7208 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7210 2006-03-08 Ben Elliston <bje@au.ibm.com>
7212 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7214 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7217 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7220 2006-03-07 Richard Guenther <rguenther@suse.de>
7222 PR tree-optimization/26587
7223 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7225 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7227 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7229 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7231 * hooks.c (hook_bool_mode_rtx_true): New function.
7232 * hooks.h (hook_bool_mode_rtx_true): Declare.
7233 * toplev.c (compile_file): Call output_shared_constant_pool.
7234 * varasm.c (shared_constant_pool): New variable.
7235 (assemble_start_function, assemble_end_function): Remove arguments
7236 from call to output_constant_pool.
7237 (create_constant_pool): New function, split out from...
7238 (init_varasm_status): ...here.
7239 (force_const_mem): Choose between the shared and per-function constant
7240 pools. Set current_function_uses_const_pool when reusing old entries
7241 as well as when creating new ones.
7242 (mark_constant): Ignore data argument.
7243 (mark_constants): Remove pool argument.
7244 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7245 to decide whether the function uses a constant pool.
7246 (output_constant_pool_contents): New function, split out from...
7247 (output_constant_pool): ...here.
7248 (output_shared_constant_pool): New function.
7249 (init_varasm_once): Initialize shared_constant_pool.
7250 * output.h (output_constant_pool): Delete.
7251 (output_shared_constant_pool): Declare.
7252 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7253 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7255 2006-03-06 Nick Clifton <nickc@redhat.com>
7257 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7258 flag_strength_reduce.
7260 2006-03-06 Ben Elliston <bje@au.ibm.com>
7262 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7263 x86_64-*-linux* configurations.
7265 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7266 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7268 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7270 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7272 * basic-block.h: Remove the extern for
7273 rediscover_loops_after_threading.
7275 * cfgloop.c (cancel_loop): Make it static.
7276 * cfgloop.h: Remove the prototype for cancel_loop.
7278 * flow.c (recompute_reg_usage): Make it static.
7279 * rtl.h: Remove the prototype for recompute_reg_usage.
7281 * function.c (use_return_register): Make it static.
7282 * function.h: Remove the prototype.
7284 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7286 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7288 * recog.h: Remove the prototype for
7289 validate_change_maybe_volatile.
7291 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7293 * rtlanal.c (replace_reg): Remove.
7294 * rtl.h: Remove the prototype for replace_reg.
7296 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7298 * regclass.c (reg_scan_update): Remove.
7299 (reg_scan_mark_refs): Remove the last argument.
7300 * rtl.h: Remove the prototype for reg_scan_update.
7302 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7304 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7305 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7306 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7307 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7308 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7309 loop-invariant.c, omp-low.c, opts.c, passes.c,
7310 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7311 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7312 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7313 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7314 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7315 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7317 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7319 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7320 * dwarf2out.h: Remove the prototype for
7321 dwarf2out_add_library_unit_info.
7323 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7325 * tree.c (add_var_to_bind_expr): Remove.
7326 * tree.h: Remove the prototype for add_var_to_bind_expr.
7328 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7330 * regclass.c (n_non_fixed_regs): Remove.
7331 (init_reg_sets_1, globalize_reg): Remove all uses of
7333 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7335 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7337 * rtlanal.c (insns_safe_to_move_p): Remove.
7338 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7340 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7342 * expmed.c (expand_mult_add): Remove.
7343 * expr.h: Remove the prototype for expand_mult_add.
7345 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7347 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7348 and REG_SAVED_VAL_EXP constants.
7349 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7350 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7351 Handle regs stored by value.
7352 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7353 (execute_cfa_program): Handle DW_CFA_val_offset,
7354 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7355 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7356 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7357 (uw_install_context_1): Handle target regs stored by value.
7359 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7361 * tree-sra.c (tree_sra): Return todoflags;
7362 (generate_one_element): Set TODO_update_smt_usage if needed.
7363 (pass_sra): Remove TODO_update_smt_usage.
7364 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7366 (tree_ssa_forward_propagate_single_use_vars): Return
7367 TODO_update_smt_usage if we need to update SMT usage.
7368 (pass_forwprop): Remove TODO_update_smt_usage.
7370 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7372 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7373 (correct_use_link): Remove reference to get_stmt_operands.
7374 (update_stmt_operands): Likewise.
7375 (get_modify_expr_operands): New function factored out of
7376 parse_ssa_operands and get_expr_operands.
7377 Try to create V_MUST_DEFs for LHS by default.
7378 (get_expr_operands) <case MODIFY_EXPR>: Call
7379 get_modify_expr_operands.
7380 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7381 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7382 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7383 get_modify_expr_operands.
7385 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7387 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7388 * tree-flow.h: Remove the prototype for
7389 referenced_var_lookup_if_exists.
7391 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7393 PR rtl-optimization/26345
7395 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7397 2006-03-03 Roger Sayle <roger@eyesopen.com>
7399 PR tree-optimization/26524
7400 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7401 fold_convert to create a constant of the appropriate type.
7403 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7405 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7406 SYMBOL_REF_IN_BLOCK_P.
7407 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7408 of SYMBOL_FLAG_IN_BLOCK.
7409 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7410 instead of SYMBOL_REF_IN_BLOCK_P.
7411 * explow.c (use_anchored_address): Likewise.
7412 * rtl.c (rtx_size): Likewise.
7413 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7414 instead of SYMBOL_FLAG_IN_BLOCK.
7415 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7416 SYMBOL_REF_IN_BLOCK_P.
7417 (assemble_variable): Likewise.
7418 (output_constant_def_contents): Likewise.
7419 (output_constant_pool): Likewise.
7420 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7421 instead of SYMBOL_FLAG_IN_BLOCK.
7422 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7423 SYMBOL_REF_IN_BLOCK_P.
7424 (SYMBOL_REF_BLOCK): Likewise.
7425 (SYMBOL_REF_OFFSET): Likewise.
7426 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7427 SYMBOL_REF_IN_BLOCK_P.
7428 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7429 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7430 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7431 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7433 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7435 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7437 2006-03-02 Roger Sayle <roger@eyesopen.com>
7439 * simplify-rtx.c (simplify_unary_operation): When simplifying
7440 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7441 that we perform the right shift in the appropriate mode, and
7442 then extend or truncate the result to requested mode.
7444 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7446 * gengtype.c (main): Handle double_int type.
7447 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7448 * double-int.c: New file.
7449 * double-int.h: New file.
7450 * system.h: Include doubleint.h.
7451 * Makefile.in (SYSTEM_H): Include double-int.h.
7452 (double-int.o): Add.
7454 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7457 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7460 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7462 * tree-vrp.c (remove_range_assertions): Do not update statements
7465 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7467 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7469 * gcse.c (rest_of_handle_gcse): Ditto.
7470 * except.c (gate_handle_eh): Ditto.
7471 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7472 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7474 2006-03-02 Eric Christopher <echristo@apple.com>
7476 * config/i386/i386.c (machopic_output_stub): Add indirection to
7479 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7483 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7485 Sun Niagara specific optimizations.
7486 * config.gcc: Recognize niagara as target.
7487 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7488 (TARGET_CPU_niagara): Define.
7489 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7490 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7491 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7492 (ASM_CPU_SPEC): Likewise.
7493 (PROCESSOR_NIAGARA): New enum entry.
7494 (REGISTER_MOVE_COST): Handle Niagara.
7495 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7496 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7497 (sparc_override_options): Recognize "niagara", set appropriate
7498 default MASK_* values for it, and align functions to 32-bytes
7499 by default just like ULTRASPARC/ULTRASPARC3.
7500 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7501 (sparc64_initialize_trampoline): Likewise.
7502 (sparc_use_sched_lookahead): Use zero for niagara.
7503 (sparc_issue_rate): Use one for niagara.
7504 * config/sparc/niagara.md: New file.
7505 * config/sparc/sparc.md: Include it.
7506 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7507 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7508 when default cpu is niagara.
7509 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7510 (ASM_CPU_SPEC): Likewise.
7511 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7512 when default cpu is niagara.
7513 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7514 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7515 just like v9/ultrasparc/ultrasparc3.
7516 * doc/invoke.texi: Add documentation for "niagara" and improve
7517 existing documentation for ultrasparc variants.
7519 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7521 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7523 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7525 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7526 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7527 and say that only one is needed.
7528 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7529 * target.h (have_switchable_bss_sections): New hook.
7530 * explow.c (use_anchored_address): Check that the symbol is in a block.
7531 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7532 (bss_noswitch_section): New variables.
7533 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7534 (get_noswitch_section): New function.
7535 (get_block_for_section): Allow SECT to be null.
7536 (unlikely_text_section_p): Use SECTION_STYLE.
7537 (bss_initializer_p): New function.
7538 (get_variable_section): Move earlier in file. Take a new argument,
7539 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7540 Return one of the new *_sections in such cases.
7541 (get_block_for_decl): New function, extracting some logic from
7542 use_blocks_for_decl_p.
7543 (change_symbol_section): Remove in favor of...
7544 (change_symbol_block): ...this new function.
7545 (use_blocks_for_decl_p): Remove checks now performed by
7547 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7548 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7549 (emit_local, emit_bss, emit_common): ...these new functions.
7550 Return true if the alignment was honored.
7551 (emit_tls_common): New function.
7552 (asm_emit_uninitialised): Delete.
7553 (assemble_variable_noswitch): New function, split out from...
7554 (assemble_variable): ...here. Don't make decisions about common
7555 variables here. Globalize all public decls that go into non-common
7556 sections. Check whether SYMBOL_REF_BLOCK is null.
7557 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7558 (output_constant_pool): Likewise.
7559 (init_varasm_once): Initialize the new section variables.
7560 (have_global_bss_p): New function.
7561 (categorize_decl_for_section): Use bss_initializer_p.
7562 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7563 (place_block_symbol): Assert that the symbol must be in a block.
7564 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7565 (TARGET_INITIALIZER): Include it.
7566 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7567 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7568 (SECTION_MACH_DEP): Bump by two.
7569 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7570 (unnamed_section): Mention SECTION_UNNAMED in comment.
7571 (named_section): Likewise SECTION_NAMED.
7572 (noswitch_section_callback): New type.
7573 (noswitch_section): New structure.
7574 (section): Add a noswitch_section alternative.
7575 (SECTION_STYLE): New macro.
7576 (tls_comm_section, comm_section, lcomm_section): Declare.
7577 (bss_noswitch_section, have_global_bss_p): Declare.
7578 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7579 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7581 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7582 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7585 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7587 * tree-vrp.c (execute_vrp): Return value.
7588 * regrename.c (rest_of_handle_regrename): Ditto.
7589 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7590 * tree-complex.c (tree_lower_complex): Ditto.
7591 (tree_lower_complex_O0): Ditto.
7592 * tracer.c (rest_of_handle_tracer): Ditto.
7593 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7594 * postreload.c (rest_of_handle_postreload): Ditto.
7595 * tree-tailcall.c (execute_tail_recursion): Ditto.
7596 (execute_tail_calls): Ditto.
7597 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7598 * tree.h (init_function_for_compilation): Ditto.
7599 * ipa-cp.c (ipcp_driver): Ditto.
7600 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7601 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7602 * final.c (compute_alignments): Ditto.
7603 (rest_of_handle_final): Ditto.
7604 (rest_of_handle_shorten_branches): Ditto.
7605 (rest_of_clean_state): Ditto.
7606 * omp-low.c (execute_expand_omp): Ditto.
7607 (execute_lower_omp): Ditto.
7608 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7609 * ipa-reference.c (static_execute): Ditto.
7610 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7611 * reorg.c (rest_of_handle_delay_slots): Ditto.
7612 (rest_of_handle_machine_reorg): Ditto.
7613 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7614 * flow.c (recompute_reg_usage): Ditto.
7615 (rest_of_handle_remove_death_notes): Ditto.
7616 (rest_of_handle_life): Ditto.
7617 (rest_of_handle_flow2): Ditto.
7618 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7619 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7620 (do_ssa_store_ccp): Ditto.
7621 (execute_fold_all_builtins): Ditto.
7622 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7623 * modulo-sched.c (rest_of_handle_sms): Ditto.
7624 * ipa-pure-const.c (static_execute): Ditto.
7625 * cse.c (rest_of_handle_cse): Ditto.
7626 (rest_of_handle_cse2): Ditto.
7627 * web.c (rest_of_handle_web): Ditto.
7628 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7629 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7630 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7631 * tree-nrv.c (tree_nrv): Ditto.
7632 (execute_return_slot_opt): Ditto.
7633 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7634 (create_structure_vars): Ditto.
7635 * loop-init.c (rtl_loop_init): Ditto.
7636 (rtl_loop_done): Ditto.
7637 (rtl_move_loop_invariants): Ditto.
7638 (rtl_unswitch): Ditto.
7639 (rtl_unroll_and_peel_loops): Ditto.
7640 (rtl_doloop): Ditto.
7641 * gimple-low.c (lower_function_body): Ditto.
7642 (mark_used_blocks): Ditto.
7643 * tree-ssa-sink.c (execute_sink_code): Ditto.
7644 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7645 (cgraph_early_inlining): Ditto.
7646 * global.c (rest_of_handle_global_alloc): Ditto.
7647 * jump.c (cleanup_barriers): Ditto.
7648 (purge_line_number_notes): Ditto.
7649 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7650 (rest_of_handle_if_after_reload): Ditto.
7651 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7652 (tree_ssa_loop_im): Ditto.
7653 (tree_ssa_loop_unswitch): Ditto.
7654 (tree_vectorize): Ditto.
7655 (tree_linear_transform): Ditto.
7656 (tree_ssa_loop_ivcanon): Ditto.
7657 (tree_ssa_empty_loop): Ditto.
7658 (tree_ssa_loop_bounds): Ditto.
7659 (tree_complete_unroll): Ditto.
7660 (tree_ssa_loop_prefetch): Ditto.
7661 (tree_ssa_loop_ivopts): Ditto.
7662 (tree_ssa_loop_done): Ditto.
7663 * predict.c (tree_estimate_probability): Ditto.
7664 * recog.c (split_all_insns_noflow): Ditto.
7665 (rest_of_handle_peephole2): Ditto.
7666 (rest_of_handle_split_all_insns): Ditto.
7667 * tree-eh.c (lower_eh_constructs): Ditto.
7668 * regmove.c (rest_of_handle_regmove): Ditto.
7669 (rest_of_handle_stack_adjustments): Ditto.
7670 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7671 * function.c (instantiate_virtual_regs): Ditto.
7672 (init_function_for_compilation): Ditto.
7673 (rest_of_handle_check_leaf_regs): Ditto.
7674 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7675 (rest_of_handle_gcse): Ditto.
7676 * ipa-type-escape.c (type_escape_execute): Ditto.
7677 * alias.c (rest_of_handle_cfg): Ditto.
7678 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7679 * profile.c (rest_of_handle_branch_prob): Ditto.
7680 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7681 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7682 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7683 * tree-dfa.c (find_referenced_vars): Ditto.
7684 * except.c (set_nothrow_function_flags): Ditto.
7685 (convert_to_eh_region_ranges): Ditto.
7686 (rest_of_handle_eh): Ditto.
7687 * emit-rtl.c (unshare_all_rtl): Ditto.
7688 (remove_unnecessary_notes): Ditto.
7689 * except.h (set_nothrow_function_flags): Ditto.
7690 (convert_to_eh_region_ranges): Ditto.
7691 * cfgexpand.c (tree_expand_cfg): Ditto.
7692 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7693 * tree-ssa-pre.c (do_pre): Ditto.
7694 (execute_fre): Ditto.
7695 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7696 (rest_of_handle_jump2): Ditto.
7697 * tree-sra.c (tree_sra): Ditto.
7698 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7699 (execute_mudflap_function_decls): Ditto.
7700 * tree-ssa-copy.c (do_copy_prop): Ditto.
7701 (do_store_copy_prop): Ditto.
7702 * ipa-prop.h (ipcp_driver): Ditto.
7703 * cfglayout.c (insn_locators_initialize): Ditto.
7704 * tree-ssa-forwprop.c
7705 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7706 * cfglayout.h (insn_locators_initialize): Ditto.
7707 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7708 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7709 (execute_late_warn_uninitialized): Ditto.
7710 * rtl.h (cleanup_barriers): Ditto.
7711 (split_all_insns_noflow): Ditto.
7712 (purge_line_number_notes): Ditto.
7713 (unshare_all_rtl): Ditto.
7714 (remove_unnecessary_notes): Ditto.
7715 (recompute_reg_usage): Ditto.
7716 (variable_tracking_main): Ditto.
7717 * integrate.c (emit_initial_value_sets): Ditto.
7718 * integrate.h (emit_initial_value_sets): Ditto.
7719 * tree-optimize.c (execute_free_datastructures): Ditto
7720 (execute_free_cfg_annotations): Ditto.
7721 (execute_fixup_cfg): Ditto.
7722 (execute_cleanup_cfg_pre_ipa): Ditto.
7723 (execute_cleanup_cfg_post_optimizing): Ditto.
7724 (execute_init_datastructures): Ditto.
7725 * tree-object-size.c (compute_object_sizes): Ditto.
7726 * combine.c (rest_of_handle_combine): Ditto.
7727 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7728 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7729 (rest_of_handle_reorder_blocks): Ditto.
7730 (rest_of_handle_partition_blocks): Ditto.
7731 * var-tracking.c (variable_tracking_main): Ditto.
7732 * tree-profile.c (tree_profiling): Ditto.
7733 * tree-vect-generic.c (expand_vector_operations): Ditto.
7734 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7735 * sched-rgn.c (rest_of_handle_sched): Ditto.
7736 (rest_of_handle_sched2): Ditto.
7737 * basic-block.h (free_bb_insn): Ditto.
7738 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7739 * tree-cfg.c (execute_build_cfg): Ditto.
7740 (remove_useless_stmts): Ditto.
7741 (split_critical_edges): Ditto.
7742 (execute_warn_function_return): Ditto.
7743 (execute_warn_function_noreturn): Ditto.
7744 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7745 * cfgrtl.c (free_bb_for_insn): Ditto.
7746 * passes.c (execute_one_pass): Run additional
7747 todos returned by execute function.
7748 * tree-pass.h (struct tree_opt_pass): Make execute
7751 2006-03-02 Richard Guenther <rguenther@suse.de>
7753 * tree-ssa-alias.c (find_used_portions): Consider taking
7754 the address as making the variable not write-only.
7756 2006-03-02 Nick Clifton <nickc@redhat.com>
7758 * config.gcc (default_use_cxa_atexit): Extend the description of
7759 this configure variable. Set its default value to "yes" for
7760 Linux, NetBSD and ELF targets on the assumption that they will
7761 use C libraries with the __cxa_atexit function.
7763 2006-03-02 Ben Elliston <bje@au.ibm.com>
7765 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7766 parameter as unused to suppress a build warning.
7768 2006-03-02 Ben Elliston <bje@au.ibm.com>
7770 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7773 2006-03-01 Roger Sayle <roger@eyesopen.com>
7776 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7777 declared name, the weak reference name, and the typeof name.
7778 (__gthrw): Avoid expanding the declared name suffix.
7779 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7781 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7783 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7785 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7786 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7787 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7788 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7789 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7790 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7791 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7792 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7793 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7794 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7795 (DW_END_default, DW_END_big, DW_END_little): New.
7796 (DW_END_lo_user, DW_END_hi_user): Define.
7797 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7798 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7799 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7802 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7804 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7806 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7808 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7810 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7812 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7813 to 'symbol_mem_tag'.
7815 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7818 2006-03-01 Roger Sayle <roger@eyesopen.com>
7820 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7822 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7825 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7826 MACHO_DYNAMIC_NO_PIC_P.
7827 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7829 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7832 * config/darwin-protos.h (darwin_asm_output_anchor):
7834 * config/darwin-sections.def (cstring_section):
7835 Add SECTION_MERGE to the flags.
7836 (literal4_section): Likewise.
7837 (literal8_section): Likewise.
7838 (objc_selector_refs_section): Likewise.
7839 (objc_cls_refs_section): Likewise.
7840 * config/darwin.c (darwin_asm_output_anchor): New
7842 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7844 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7846 Fix PR tree-optimization/26443
7847 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7848 to todo and PROP_tmt_usage to properties_destroyed.
7849 * tree-ssa-ccp.c (pass_ccp): Ditto.
7850 (pass_store_ccp): Ditto.
7851 * tree-ssa-dom.c (pass_dominator): Ditto.
7853 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7855 * tree-ssa-operands.c: Cleanup whitespace.
7856 (get_asm_expr_operands): Move before first invocation.
7857 (get_indirect_ref_operands): Likewise.
7858 (get_tmr_operands): Likewise.
7859 (get_call_expr_operands): Likewise.
7860 (append_def): Likewise.
7861 (append_use): Likewise.
7862 (append_v_may_def): Likewise.
7863 (append_v_must_def): Likewise.
7864 (add_call_clobber_ops): Likewise.
7865 (add_call_read_ops): Likewise.
7866 (add_stmt_operand): Likewise.
7867 (add_virtual_operand): Likewise.
7868 (build_ssa_operands): Likewise.
7870 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7875 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7876 with a call expr to ...
7877 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7879 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7881 * tree-vrp.c (extract_range_from_assert): Remove special
7882 handling for types with super-types.
7884 2006-03-01 Ben Elliston <bje@au.ibm.com>
7886 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7887 and powerpc64-*-linux* configurations.
7888 * config/t-dfprules: New file.
7890 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7891 Compile dfp-bit.c from the source directory using -DWIDTH and
7892 $DFP_CFLAGS to control the compilation of that file, rather than
7893 generating width-specific versions in the build directory.
7894 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7895 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7897 2006-02-28 Zack Weinberg <zackw@panix.com>
7899 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7902 2006-02-28 Eric Christopher <echristo@apple.com>
7904 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7905 Set up IN_LIBGCC definition of TARGET_64BIT.
7906 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7908 2006-02-28 Roger Sayle <roger@eyesopen.com>
7911 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7912 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7913 cases via the construction of "expr != 0".
7915 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7917 * alias.c (alias_invariant, alias_invariant_size): Remove.
7918 (record_base_value): Remove.
7919 (memrefs_conflict_p): Don't look at alias_invariant.
7920 (end_alias_analysis): Don't free it.
7921 * alias.h (record_base_value): Remove prototype.
7923 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7924 Adam Nemet <anemet@caviumnetworks.com>
7926 * rtl.h (truncated_to_mode): Declare it.
7927 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7928 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7929 (RTL_HOOKS_INITIALIZER): Include it.
7930 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7931 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7932 reg_truncated_to_mode.
7933 * rtlanal.c (truncated_to_mode): Define it.
7934 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7936 2006-02-28 Jeff Law <law@redhat.com>
7938 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7939 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7940 the range allowed by TYPE_PRECISION.
7942 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7944 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7946 PR tree-optimization/26419
7947 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7950 2006-02-27 Zack Weinberg <zackw@panix.com>
7952 * doc/md.texi: Fix typo in previous change.
7954 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7958 2006-02-27 Zack Weinberg <zackw@panix.com>
7960 * rtl.def (define_constraint, define_register_constraint)
7961 (define_memory_constraint, define_address_constraint): New MD forms.
7962 * gensupport.c (process_rtx): Put define_constraint etc on the
7964 * genpreds.c (process_define_predicate): Adjust comment. Validate
7965 the name, and call validate_exp to validate the expression.
7966 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7967 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7968 all callers changed.
7969 (validate_exp, needs_variable, struct constraint_data)
7970 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7971 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7972 (const_dbl_constraints, constraint_max_namelen)
7973 (have_register_constraints, have_memory_constraints)
7974 (have_address_constraints, have_address_constraints)
7975 (have_extra_constraints, have_const_int_constraints)
7976 (have_const_dbl_constraints, mangle, add_constraint)
7977 (process_define_constraint, process_define_register_constraint)
7978 (write_enum_constraint_num, write_lookup_constraint)
7979 (write_insn_constraint_len, write_regclass_for_constraint)
7980 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7981 (write_insn_extra_memory_constraint)
7982 (write_insn_extra_address_constraint)
7983 (write_satisfies_constraint_fns): New.
7984 (write_tm_preds_h): If we have new-style constraint definitions,
7985 prototype the functions generated from them, and define the
7986 old constraint interface (still used by generic code) in terms of
7988 (write_insn_preds_c): If we have new-style constraint definitions,
7989 generate all relevant functions from those definitions.
7990 (main): Handle define_constraint etc.
7991 * genoutput.c (struct constraint_data, indep_constraints)
7992 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7993 (mdep_constraint_len): New data structures and functions, defined
7994 #ifdef USE_MD_CONSTRAINTS.
7995 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7996 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7997 use new logic to validate operand constraints against constraint
7999 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8001 * defaults.h: If none of the old-style constraint macros are
8002 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8003 old-style macros; and poison REG_CLASS_FROM_LETTER,
8004 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8006 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8007 * doc/md.texi: Document new constraint-definition mechanism and the
8008 C interface it provides. Remove references to old mechanism
8009 elsewhere in the document.
8010 (Machine Constraints): Use pathnames relative to gcc directory,
8011 i.e. config/ARCH/FILE. Change i386 section to refer to
8012 config/i386/predicates.md; update that section to match docstrings.
8013 * doc/tm.texi: Move all documentation of the old constraint-
8014 definition macros to their own section, clearly mark as obsolete.
8016 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8017 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8019 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8020 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8021 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8023 (splits and peepholes): Use satisfies_constraint_*.
8024 * config/i386/i386.c (memory_address_length)
8025 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8027 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8029 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8030 scalar operation to be put back into the loop.
8032 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8035 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8036 (extract_cie_info): Handle S flag in augmentation string.
8037 (execute_cfa_program): If context->signal_frame, execute also
8038 fs->pc == context->ra instructions.
8039 (uw_frame_state_for): If context->signal_frame, don't subtract one
8040 from context->ra to find FDE.
8041 (uw_update_context_1): Set context->signal_frame to
8043 (_Unwind_GetIPInfo): New function.
8044 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8045 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8047 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8048 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8049 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8050 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8051 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8052 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8053 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8054 x86_64_fallback_frame_state): Set fs->signal_frame.
8055 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8056 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8057 (frob_update_context): Likewise. Workaround missing S flag in
8058 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8059 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8060 Remove the psw_addr + 1 hack.
8062 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8064 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8065 with aggregates here.
8066 (find_func_aliases): Remove code for &<aggregate> from here.
8068 2006-02-26 Roger Sayle <roger@eyesopen.com>
8070 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8071 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8072 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8075 2006-02-26 Roger Sayle <roger@eyesopen.com>
8078 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8080 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8082 * opts.c (decode_options): Do not handle flag_strength_reduce.
8083 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8084 and OPT_fstrength_reduce.
8085 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8086 flag_prefetch_loop_arrays for being nonzero.
8087 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8089 (fprefetch-loop-arrays-rtl): Removed.
8090 (flag_prefetch_loop_arrays): Do not specify the value.
8092 * doc/passes.texi: Update documentation of loop optimizer
8094 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8095 -frerun-loop-opt): Remove.
8097 2006-02-26 Richard Guenther <rguenther@suse.de>
8099 PR tree-optimization/26421
8100 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8101 in function calls that are ADDR_EXPRs as using the whole structure.
8103 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8105 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8106 * tree-pass.h (pass_loop_optimize): Remove.
8107 * passes.c (pass_loop_optimize): Never run it.
8108 * toplev.c (backend_init): Don't call init_loop.
8109 * opts.c (flag_loop_optimize_set): Remove.
8110 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8111 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8112 the old RTL loop optimizer when profiling enabled.
8113 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8114 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8115 pre-headers for the sake of the old RTL loop optimizer.
8116 * Makefile.in: Remove all references to loop.o.
8118 * doc/invoke.texi: Remove all references to -floop-optimize
8119 and -frerun-loop-opt.
8121 2006-02-26 Zack Weinberg <zackw@panix.com>
8123 * doc/md.texi (Machine Constraints): Refer to all files with paths
8124 relative to gcc directory (i.e. config/CPU/file). Add missing
8125 @table @code ... @end table to M32C subsection.
8127 2006-02-26 Roger Sayle <roger@eyesopen.com>
8129 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8131 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8133 2006-02-26 Roger Sayle <roger@eyesopen.com>
8134 James A. Morrison <phython@gcc.gnu.org>
8137 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8138 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8139 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8140 signedness of the shift operation.
8142 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8144 PR tree-optimization/26359
8145 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8147 2006-02-25 Roger Sayle <roger@eyesopen.com>
8149 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8150 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8151 as X == 0, and some symmetry related transformations.
8152 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8154 2006-02-25 Roger Sayle <roger@eyesopen.com>
8157 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8158 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8159 symmetry related transformations. Fold (X^C1) == C2 as
8162 2006-02-25 Juergen Weigert <jw@suse.de>
8163 Richard Guenther <rguenther@suse.de>
8165 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8167 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8169 * combine.c (gen_lowpart_or_truncate): Call
8170 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8172 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8174 * doc/invoke.texi: Move -fopenmp description to "Options for
8176 Remove reference to -lgomp.
8178 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8180 * doc/install.texi: Require GNU tar version 1.14.
8182 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8184 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8185 * doc/invoke.texi (C++ Dialect Options): Document
8186 -fno-use-cxa-get-exception-ptr.
8187 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8188 * configure: Regenerate.
8189 * c.opt (fuse-cxa-get-exception-ptr): New.
8190 * c-opts.c (c_common_handle_option): Handle
8191 OPT_fuse_cxa_get_exception_ptr.
8192 * c-common.c (flag_use_cxa_atexit): Update documentation.
8193 (flag_use_cxa_get_exception_ptr): New.
8194 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8195 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8197 (C_COMMON_OVERRIDE_OPTIONS): New.
8199 2006-02-24 Roger Sayle <roger@eyesopen.com>
8202 * combine.c (try_combine): Explicitly check whether GET_CODE is
8203 a SET or a CLOBBER, instead on checking that it isn't a USE.
8205 2006-02-24 Roger Sayle <roger@eyesopen.com>
8207 * fold-const.c (fold_comparison): New subroutine of fold_binary
8208 containing transformations common to both the equality and
8209 ordering relational operators, factored out of fold_binary.
8210 (fold_binary): Separate out the equality operators (EQ_EXPR
8211 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8212 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8213 transformations common to both.
8214 (fold_div_compare): Fix latent bugs in the previously unreachable
8215 LT_EXPR and GE_EXPR cases.
8217 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8219 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8220 decl libname for clog to __clog on AIX.
8222 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8224 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8227 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8228 output traceback table for thunks. Localise rs6000_stack_info call.
8230 2006-02-23 Roger Sayle <roger@eyesopen.com>
8231 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8233 * gthr-posix.h (__gthrw): Fix typo in comment.
8235 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8237 * doc/cpp.texi (Character sets): Document that we do support
8238 input files to be in any character set.
8240 2006-02-23 Jeff Law <law@redhat.com>
8242 * tree.h (PHI_ARG_NONZERO): Remove.
8243 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8244 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8245 node to the new node.
8247 PR tree-optimization/26425
8248 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8249 min/max, then assume its varying.
8251 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8253 PR rtl-optimization/26316
8254 * rtlanal.c (enum may_trap_p_flags): New.
8255 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8256 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8257 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8258 (may_trap_after_code_motion_p): New function.
8259 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8260 (find_invariant_insn): Use may_trap_after_code_motion_p.
8261 * rtl.h (may_trap_after_code_motion_p): Declare.
8263 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8265 * emit-rtl.c (immed_double_const): Cleanup.
8267 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8269 Fix PR tree-optimization/26376
8270 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8273 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8276 * gimplify.c (omp_add_variable): Guard variable size decl test with
8277 DECL_SIZE (decl) check.
8279 2006-02-23 Richard Guenther <rguenther@suse.de>
8282 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8283 like aggregate types.
8285 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8287 * configure.ac: Add --with{,out}-long-double-128 configure option.
8288 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8289 * configure: Rebuilt.
8290 * config.in: Rebuilt.
8291 * doc/install.texi (Options specification): Document
8292 --with-long-double-128.
8294 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8295 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8296 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8297 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8299 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8301 * config/s390/s390.c (override_options): Handle
8302 TARGET_DEFAULT_LONG_DOUBLE_128.
8304 * config/alpha/alpha.c (override_options): Handle
8305 TARGET_DEFAULT_LONG_DOUBLE_128.
8307 * config/sparc/sparc.c (sparc_override_options): Handle
8308 TARGET_DEFAULT_LONG_DOUBLE_128.
8310 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8312 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8313 (real-install-headers-tar, real-install-headers-cpio)
8314 (real-install-headers-cp): New targets.
8316 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8318 * tree.h (variable_section): Delete.
8319 * varasm.c (variable_section): Delete.
8321 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8323 * install.texi: Add notes on install.texi2html.
8324 (Building in parallel): Do not use footnotes.
8326 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8329 * doc/install.texi (Configuration): Document --disable-libgomp.
8331 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8333 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8335 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8337 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8338 (vec_extractv2df_0_sse): New.
8340 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8342 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8343 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8344 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8345 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8346 to the result of the expression.
8347 (def_cfa_1): Adjust.
8348 (frame_pointer_cfa_offset): Rename to...
8349 (frame_pointer_fb_offset): ... this. Adjust all uses.
8350 (convert_cfa_to_loc_list): Rename to...
8351 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8352 Pass it on to build_cfa_loc.
8353 (compute_frame_pointer_to_cfa_displacement): Rename to...
8354 (compute_frame_pointer_to_fb_displacement): ... this. New
8355 offset parameter. Use it in computation.
8356 (gen_subprogram_die): Compute cfa_fb_offset with the new
8357 macro, and use it to compute the fb loc list and the
8360 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8362 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8363 replaced with register_operand.
8364 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8365 non-DREG is expensive.
8366 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8367 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8370 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8372 * doc/install.texi2html: Use set -e.
8374 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8376 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8377 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8378 * doc/invoke.texi (-fshared-data): Delete.
8379 * common.opt (fshared-data): Delete.
8380 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8381 (assemble_static_space): Remove #if 0 code.
8382 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8383 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8384 * config/cris/cris.h: Remove FIXME.
8386 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8388 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8391 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8394 * combine.c (simplify_shift_const_1): Disable nested shifts
8395 optimization for vector shifts.
8397 2006-02-20 Roger Sayle <roger@eyesopen.com>
8399 PR tree-optimization/26361
8400 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8401 of unsigned integer types.
8403 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8405 * tree-chrec.c (eq_evolutions_p): New.
8406 * tree-chrec.h (eq_evolutions_p): Declared.
8407 * tree-data-ref.c: Fix formatting.
8408 (datadep_stats, dependence_stats): New.
8410 (print_direction_vector): New.
8411 (dump_data_dependence_relation): Use print_direction_vector.
8412 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8413 (compute_subscript_distance): Static.
8414 (initialize_data_dependence_relation): Static. Get the number
8415 of loops surrounding the references from the callers, and initialize
8416 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8417 base_object_differ_p analyzers.
8418 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8419 compute_overlap_steps_for_affine_1_2,
8420 analyze_subscript_affine_affine): Count the classified dependences.
8421 Print a message when a test failed.
8422 (can_use_analyze_subscript_affine_affine): New.
8423 (analyze_siv_subscript): Compute the data dependences on symbolic
8424 scevs that verify can_use_analyze_subscript_affine_affine.
8425 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8426 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8427 Handle symbolic scevs.
8428 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8430 (subscript_dependence_tester): Moved...
8431 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8432 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8433 DDR_SIZE_VECT instead of getting it in parameter.
8434 (subscript_dependence_tester): ... here. Take as a parameter
8435 loop_nest_depth. Call build_classic_dist_vector and
8436 build_classic_dir_vector.
8437 (compute_affine_dependence): Update subscript_dependence_tester
8438 parameters. Update datadep_stats counters. Call
8439 compute_subscript_distance.
8440 (compute_self_dependence): Save the dist and dir vectors. Call
8441 compute_subscript_distance.
8442 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8443 (compute_all_dependences): Reorder parameters as they were before
8444 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8445 compute_subscript_distance. Update the use of
8446 compute_affine_dependence and initialize_data_dependence_relation.
8447 (find_data_references_in_loop): Handle COMPONENT_REF.
8448 (compute_data_dependences_for_loop): Initialize dependence_stats.
8449 Don't call build_classic_dist_vector and build_classic_dir_vector.
8450 Update the parameters of initialize_data_dependence_relation and
8451 compute_all_dependences. Print the statistics from datadep_stats.
8452 (analyze_all_data_dependences): Static. Not used until the pass for
8453 checking the data dependences is contributed.
8454 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8455 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8456 (initialize_data_dependence_relation, compute_affine_dependence,
8457 analyze_all_data_dependences, compute_subscript_distance): Removed.
8458 (print_direction_vector): New.
8459 * lambda.h (gcd): ... here.
8460 (lambda_vector_gcd): Moved here from gcd_vector.
8461 * lambda-code.c (gcd, gcd_vector): Removed.
8462 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8463 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8465 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8467 * ipa-type-escape.c: Tidy some comments and white space.
8468 * tree-ssa-operands.c: Likewise.
8470 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8473 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8474 (dump_decl_name): Do not walk the decl tree chains.
8475 * tree-pass.h (TDF_CHAIN): Remove.
8477 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8479 * Makefile.in (C): Remove
8481 (.PHONY): Remove C and PROTO
8483 2006-02-20 Roger Sayle <roger@eyesopen.com>
8486 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8487 deprecated CHAR_TYPE tree code.
8489 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8491 * configure.ac (target_list): Add install-info, dvi, html.
8492 * configure: Regenerate.
8494 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8495 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8496 treelang/Make-lang.in: Do not use double-colon rules.
8498 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8500 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8501 (TMT_USED_ALONE): New macro.
8502 * tree-pass.h (PROP_tmt_usage): New property.
8503 (TODO_update_tmt_usage): New todo.
8504 * tree-ssa-alias.c (updating_used_alone): New variable.
8505 (recalculate_used_alone): New function.
8506 (compute_may_aliases): Set updating_used_alone, call
8507 recalculate_used_alone.
8508 * tree-sra.c (pass_sra): Note that this pass destroys
8509 PROP_tmt_usage, and add TODO_update_tmt_usage.
8510 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8511 * tree-flow.h (updating_used_alone): Prototype.
8512 (recalculate_used_alone): Ditto.
8513 * passes.c (execute_todo): Add code to set updating_used_alone,
8514 and call recalculate.
8515 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8516 for clobber if used alone, and add assert to verify used_alone
8519 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8521 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8522 for non tls symbols added.
8523 (legitimize_address): Do nothing for PLUS expressions if one of the
8524 addends is a tls symbol reference.
8526 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8530 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8532 * Makefile.in (BOOTSTRAPPING): New.
8533 (quickstrap): New definition if BOOTSTRAPPING=yes.
8535 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8536 * configure.ac: Substitute all_selected_languages with the languages
8537 that were configured. For all the other variables except
8538 lang_specs_files, include all the languages in the tree.
8539 * configure: Regenerate.
8541 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8542 if there is one. Run the commands to run fixincludes in the same
8545 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8546 * doc/install.texi: Document exact conventions for searching target tools.
8547 Document --with-build-time-tools. Document toplevel bootstrap. Document
8548 something more about building an Ada cross-compiler. Don't list GNU Make
8549 requirements which affect all platforms.
8551 2006-02-19 Roger Sayle <roger@eyesopen.com>
8554 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8555 only equivalent if the have both the same mode and precision.
8557 2006-02-20 Ben Elliston <bje@au.ibm.com>
8559 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8561 2006-02-19 Roger Sayle <roger@eyesopen.com>
8562 Steven Bosscher <stevenb.gcc@gmail.com>
8564 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8565 constant pool references to identify stack mode constants.
8566 * rtlanal.c (constant_pool_constant_p): New predicate to check
8567 whether operand is a floating point constant in the pool.
8568 * rtl.h (constant_pool_constant_p): Prototype here.
8569 * loop.c (scan_loop): Avoid hoisting constants from the constant
8570 pool on STACK_REGS targets.
8571 (load_mems): Likewise.
8572 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8573 loads into x87 registers expensive in terms of register pressure.
8575 2006-02-19 Roger Sayle <roger@eyesopen.com>
8577 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8578 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8580 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8582 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8583 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8585 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8587 * doc/invoke.texi: Document -fipa-pta.
8588 * common.opt: Add ipa-pta option.
8589 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8590 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8591 (do_ds_constraint): Ditto.
8592 (get_constraint_for): Only add to referenced_vars if
8593 referenced_vars exists.
8594 (insert_into_field_list): Rewrite to do this unsorted.
8595 (insert_into_field_list_sorted): Rename old insert_into_field_list
8597 (create_function_info_for): Use insert_into_field_list_sorted.
8598 (create_variable_info_for): Rewrite so it uses unsorted version,
8599 since the field list is sorted.
8600 (intra_create_variable_infos): Only add to referenced_vars if
8601 referenced_vars exists.
8602 (ipa_pta_execute): Init heapvars, and delete when done.
8603 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8605 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8607 * doc/install.texi: Add missing `@samp'.
8609 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8611 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8614 2006-02-18 Mark Wielaard <mark@klomp.org>
8616 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8617 who added new 4.1 features, bug fixes and integration support.
8619 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8622 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8625 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8627 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8628 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8629 (copy_insn_1): Likewise. Don't copy each field individually.
8631 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8633 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8634 * rtl.c (rtx_size): Rename variable to...
8635 (rtx_code_size): ...this.
8636 (rtx_size): New function.
8637 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8638 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8640 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8641 * rtl.h (rtx_code_size): New variable.
8642 (rtx_size): Change from a variable to a function.
8643 (RTX_SIZE): Rename to...
8644 (RTX_CODE_SIZE): ...this.
8647 PR tree-optimization/17106
8648 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8649 (Anchored Addresses): New section.
8650 * doc/invoke.texi (-fsection-anchors): Document.
8651 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8652 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8653 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8654 * hooks.c (hook_bool_mode_rtx_false): New function.
8655 * hooks.h (hook_bool_mode_rtx_false): Declare.
8656 * gengtype.c (create_optional_field): New function.
8657 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8658 SYMBOL_REF_IN_BLOCK_P is true.
8659 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8660 (min_anchor_offset, max_anchor_offset): Likewise.
8661 (use_anchors_for_symbol_p): New hook.
8662 * toplev.c (compile_file): Call output_object_blocks.
8663 (target_supports_section_anchors_p): New function.
8664 (process_options): Check that -fsection-anchors is only used on
8665 targets that support it and when -funit-at-a-time is in effect.
8666 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8667 if the decl doesn't have one.
8668 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8669 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8670 of force_const_mem through use_anchored_address.
8671 (expand_expr_constant): New function.
8672 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8673 calling expand_expr for INDIRECT_REF.
8674 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8675 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8676 * expr.h (use_anchored_address): Declare.
8677 * loop-unroll.c: Don't declare rtx vectors here.
8678 * explow.c: Include output.h.
8679 (validize_mem): Call use_anchored_address.
8680 (use_anchored_address): New function.
8681 * common.opt (-fsection-anchors): New switch.
8682 * varasm.c (object_block_htab, anchor_labelno): New variables.
8683 (hash_section, object_block_entry_eq, object_block_entry_hash)
8684 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8685 (use_blocks_for_decl_p, change_symbol_section): New functions.
8686 (get_variable_section): New function, split out from assemble_variable.
8687 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8688 use_blocks_for_decl_p say so. Use change_symbol_section if the
8689 symbol has already been created.
8690 (assemble_variable_contents): New function, split out from...
8691 (assemble_variable): ...here. Don't output any code for
8692 block symbols; just pass them to place_block_symbol.
8693 Use get_variable_section and assemble_variable_contents.
8694 (get_constant_alignment, get_constant_section, get_constant_size): New
8695 functions, split from output_constant_def_contents.
8696 (build_constant_desc): Create a block symbol if use_object_blocks_p
8697 says so. Or into SYMBOL_REF_FLAGS.
8698 (assemble_constant_contents): New function, split from...
8699 (output_constant_def_contents): ...here. Don't output any code
8700 for block symbols; just pass them to place_section_symbol.
8701 Use get_constant_section and get_constant_alignment.
8702 (force_const_mem): Create a block symbol if use_object_blocks_p and
8703 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8704 (output_constant_pool_1): Add an explicit alignment argument.
8705 Don't switch sections here.
8706 (output_constant_pool): Adjust call to output_constant_pool_1.
8707 Switch sections here instead. Don't output anything for block symbols;
8708 just pass them to place_block_symbol.
8709 (init_varasm_once): Initialize object_block_htab.
8710 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8711 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8712 (place_block_symbol, get_section_anchor, output_object_block)
8713 (output_object_block_htab, output_object_blocks): New functions.
8714 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8715 (TARGET_ASM_OUT): Include it.
8716 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8717 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8718 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8719 (TARGET_INITIALIZER): Include them.
8720 * rtl.c (rtl_check_failed_block_symbol): New function.
8721 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8722 (block_symbol, object_block): New structures.
8723 (rtx_def): Add a block_symbol field to the union.
8724 (BLOCK_SYMBOL_CHECK): New macro.
8725 (rtl_check_failed_block_symbol): Declare.
8726 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8727 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8728 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8729 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8730 * output.h (output_section_symbols): Declare.
8731 (object_block): Name structure.
8732 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8733 (default_use_anchors_for_symbol_p): Declare.
8734 * Makefile.in (RTL_BASE_H): Add vec.h.
8735 (explow.o): Depend on output.h.
8736 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8737 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8738 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8739 (rs6000_use_blocks_for_constant_p): New function.
8741 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8743 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8745 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8748 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8751 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8753 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8757 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8760 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8761 instead of DECL_REGISTER.
8763 2006-02-18 Olivier Hainque <hainque@adacore.com>
8766 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8768 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8771 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8772 * opth-gen.awk: Handle Var and InverseMask together.
8773 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8774 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8775 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8776 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8778 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8779 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8780 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8781 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8782 LINUX_DYNAMIC_LINKER): Define.
8783 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8784 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8786 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8787 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8788 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8789 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8790 (TARGET_C99_FUNCTIONS): Don't define.
8791 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8792 GLIBC_DYNAMIC_LINKER.
8793 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8794 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8795 GLIBC_DYNAMIC_LINKER64): Define.
8796 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8797 LINUX_DYNAMIC_LINKER64.
8798 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8799 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8800 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8801 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8802 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8803 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8804 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8805 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8806 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8807 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8808 and LINUX_DYNAMIC_LINKER32.
8809 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8810 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8811 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8812 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8813 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8815 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8816 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8817 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8818 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8819 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8820 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8821 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8822 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8823 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8824 LINUX_DYNAMIC_LINKER): Define.
8825 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8826 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8827 GLIBC_DYNAMIC_LINKER64): Define.
8828 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8829 LINUX_DYNAMIC_LINKER64.
8830 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8831 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8832 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8833 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8834 LINUX_DYNAMIC_LINKER): Define.
8835 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8836 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8837 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8838 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8839 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8840 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8841 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8842 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8843 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8844 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8845 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8846 * doc/invoke.texi (-muclibc): Remove caveat about supported
8849 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8851 * doc/cpp.texi (__TIMESTAMP__): Document.
8853 2006-02-17 Roger Sayle <roger@eyesopen.com>
8856 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8857 C is one less than the width of X (and related transformations).
8858 * simplify-rtx.c (simplify_unary_operation_1): Transform
8859 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8860 depending on STORE_FLAG_VALUE, were C is one less then the
8863 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8865 Fix PR tree-optimization/26341
8866 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8867 about NAME_MEMORY_TAG's.
8869 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8872 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8873 with hardware float support, and software float support. Add fcpy
8874 alternative to hardware patterns. Add alternatives to copy between
8875 general and floating-point registers to the 32-bit pattern.
8876 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8877 secondary reload to load a QI or HI mode constant into a floating
8879 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8880 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8882 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8885 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8887 (load_macho_picbase_di): Likewise.
8889 2006-02-16 Jeff Law <law@redhat.com>
8891 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8892 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8893 (ssa_name_nonzero_p): Likewise.
8894 (get_value_range): Return NULL if VRP is not running.
8895 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8896 VRP routines do not discover a range.
8897 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8898 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8899 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8900 (tree_expr_nonnegative_p): Similarly.
8901 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8902 (restore_nonzero_vars_to_original_value): Remove.
8903 (unsafe_associative_fp_binop): Remove.
8904 (tree_ssa_dominator_optimize): Remove initialization and
8905 finalization of nonzero_vars and nonzero_vars_stack.
8906 (dom_opt_initialize_block): No longer push marker on
8908 (dom_opt_finalize_block): No longer call
8909 restore_nonzero_vars_to_original_value.
8910 (record_equivalences_from_phis): No longer look for
8911 nonzero PHI arguments.
8912 (cprop_into_successor_phis): No longer propagate nonzero
8913 property into PHI arguments. Lose unused argument. Caller
8915 (record_equivalences_from_stmt): No longer record nonzero
8916 values for SSA_NAMEs.
8917 (lookup_avail_expr): No longer use nonzero_vars.
8919 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8920 for sizetype when sizetype is unsigned.
8922 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8924 PR rtl-optimization/25603
8925 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8926 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8927 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8928 with new meaning of SETS.
8930 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8935 * config/linux.opt: New file.
8936 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8937 LINUX_DYNAMIC_LINKER): Define.
8938 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8939 * config.gcc (*-*-linux*): Define extra_options.
8940 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8941 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8942 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8943 GLIBC_DYNAMIC_LINKER.
8944 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8945 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8946 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8947 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8948 * doc/invoke.texi (GNU/Linux Options): New section.
8950 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8952 * config/sparc/sparc.md (setjmp): Rewrite.
8953 (setjmp_32): Delete.
8954 (setjmp_64): Likewise.
8956 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8958 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8961 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8963 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8966 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8968 PR rtl-optimization/26296
8969 * Makefile.in (loop-invariant.c): Add except.h dependency.
8970 * loop-invariant.c: Include except.h.
8971 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8973 2005-02-16 Paul Brook <paul@codesourcery.com>
8975 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8978 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8980 PR rtl-optimization/25636
8981 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8982 when deciding whether an insn is an initializing insn.
8984 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8986 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8987 (tree_code_size): Ditto.
8988 * tree.h (struct tree_memory_tag): Remove parent_var.
8989 (struct tree_struct_field_tag): New.
8992 (union tree_node): Add sft member.
8993 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8995 (create_sft): Add size and offset argument, set SFT_OFFSET and
8997 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8998 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8999 * tree-flow-inline.h (get_subvar_at): Update for
9000 SFT_OFFSET/SFT_SIZE.
9001 (var_can_have_subvars): Ditto.
9002 (overlap_subvar): Ditto.
9003 * print-tree.c (print_node): Print out interesting things for
9005 * tree-flow.h (struct subvar): Remove offset and size members.
9006 * tree-ssa-operands.c (get_expr_operands): Update for
9007 get_indirect_ref_operands changes.
9008 (get_indirect_ref_operands): Call add_virtual_operand instead of
9009 add_stmt_operand. Only recurse on base var if requested.
9010 (access_can_touch_variable): New function.
9011 (add_stmt_operand): Split virtual operand handling into ...
9012 (add_virtual_operand): Here. Add offset, size, and for_clobber
9013 arguments. Prune alias sets.
9014 (add_call_clobber_ops): Call add_virtual_operand.
9016 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9019 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9021 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9022 than TREE_CODE as index into omp_clause_num_ops array.
9024 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9026 PR rtl-optimization/26184
9027 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9029 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9030 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9031 must_precede, must_follow and tobe_scheduled.
9034 * opts.c (common_handle_option): Free new_option pointer.
9035 * df-core.c (df_analyze): Free postorder pointer.
9037 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9039 * Makefile.in: Fix the examples about the use of stamps
9041 2006-02-15 Michael Matz <matz@suse.de>
9045 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9046 influenced by maximum_field_alignment or DECL_PACKED.
9047 (update_alignment_for_field): Ditto.
9048 (place_field): Ditto.
9049 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9052 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9054 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9055 (debug_flow_info): Pass it.
9056 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9057 * bb-reorder.c (reorder_basic_blocks): Likewise.
9058 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9059 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9060 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9061 * gcse.c (gcse_main, bypass_jumps): Likewise.
9062 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9063 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9064 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9065 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9066 * rtl.h (dump_flow_info): Adjust prototype.
9067 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9068 * var-tracking.c (variable_tracking_main): Likewise.
9069 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9070 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9073 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9075 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9078 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9080 PR tree-optimization/26209
9081 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9082 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9084 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9086 2006-02-14 Roger Sayle <roger@eyesopen.com>
9089 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9090 (X,Y) and the corresponding symmetry related transformations.
9091 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9092 (X,Y) and its symmetry related transformations.
9094 2006-02-14 Roger Sayle <roger@eyesopen.com>
9096 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9099 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9101 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9103 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9106 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9107 support COMDAT group.
9108 * configure: Regenerate.
9110 2006-02-14 Roger Sayle <roger@eyesopen.com>
9115 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9117 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9119 Fix PR tree-optimization/26260
9121 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9123 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9124 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9125 * tree-ssa-structalias.c (create_variable_info_for): Use
9126 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9128 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9130 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9132 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9133 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9134 of the ending condition.
9135 * tree-ssa-loop-manip.c: Include params.h.
9136 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9137 tree_unroll_loop): New functions.
9138 * tree-pass.h (pass_loop_prefetch): Declare.
9139 * loop.c (rest_of_handle_loop_optimize): Test for
9140 -fprefetch-loop-arrays-rtl.
9141 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9142 * timevar.def (TV_TREE_PREFETCH): New timevar.
9143 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9144 pass_loop_prefetch): New.
9145 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9146 (cleanup_tree_cfg_loop): Call scev_reset.
9147 * common.opt (fprefetch-loop-arrays-rtl): Add.
9148 * tree-ssa-loop-prefetch.c: New file.
9149 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9150 (new_temp_expr_table): Initialize expr_vars.
9151 (free_temp_expr_table): Cleanup expr_vars.
9152 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9153 expressions from being merged into one.
9154 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9155 (struct tree_niter_desc): Add control, bound and cmp fields.
9156 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9158 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9159 (tree-cfgcleanup.o): Add SCEV_H dependency.
9160 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9161 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9163 2006-02-14 Richard Guenther <rguenther@suse.de>
9165 PR tree-optimization/26258
9166 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9167 in PHI argument processing.
9169 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9171 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9172 new expression in the requested machine mode.
9174 2006-02-13 Roger Sayle <roger@eyesopen.com>
9176 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9177 directly, instead let do_compare_rtx_and_jump handle this for us.
9178 * expr.c (expand_expr_real_1): Likewise.
9179 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9180 before do_jump_by_parts_greater.
9181 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9182 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9184 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9186 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9188 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9190 PR rtl-optimization/26235
9191 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9192 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9195 2006-02-13 Jeff Law <law@redhat.com>
9197 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9200 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9203 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9204 twice if decl is a builtin. When trying again, call get_callee_fndecl
9205 first to verify it is still a builtin.
9207 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9209 * dwarf2out.c (base_type_die): Don't add AT_name here.
9210 (subrange_type_die): Don't add AT_name here.
9211 (modified_type_die): Rearrange code flow. Do add AT_name here.
9213 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9215 PR rtl-optimization/26247
9216 PR rtl-optimization/26248
9217 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9219 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9221 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9222 * config/fixtfdi.c: Likewise.
9223 * config/fixunstfdi.c: Likewise.
9224 * config/floatditf.c: Likewise.
9226 2006-02-13 Roger Sayle <roger@eyesopen.com>
9229 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9230 into (X,C2) if C1 is a subset of the bits of C2. Transform
9231 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9233 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9235 2006-02-13 Josh Conner <jconner@apple.com>
9238 * varasm.c (function_section): Check for section name before
9239 calling select_section on targets that define
9240 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9241 unlikely_text_section instead of hot_function_section if
9242 first_function_block_is_cold.
9244 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9247 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9249 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9251 PR rtl-optimization/26222
9252 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9253 after tree->rtl expansion.
9254 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9255 before passing it to emit_move_insn.
9257 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9259 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9261 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9262 Clarify documentation.
9263 * c-common.h (warn_write_strings): Remove.
9264 * c-common.c (warn_write_strings): Likewise.
9265 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9268 2006-02-12 Roger Sayle <roger@eyesopen.com>
9271 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9272 (do_jump_parts_zero_rtx): New function renamed from
9273 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9274 (do_jump_parts_equality_rtx): New function split out from
9275 do_jump_parts_equality. Old implementation renamed as above.
9276 Call do_jump_parts_zero_rtx if either operand is zero.
9277 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9278 do all of the heavy lifting.
9279 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9280 calling either do_jump_by_parts_greater_rtx or
9281 do_jump_by_parts_equality_rtx.
9282 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9283 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9284 moved to do_compare_rtx_and_jump, call it directly.
9285 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9286 mode argument. Call do_compare_rtx_and_jump.
9287 (emit_case_nodes): Update calls to do_jump_if_equal.
9289 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9291 PR rtl-optimization/26225
9292 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9294 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9296 PR rtl-optimization/26232
9297 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9299 2006-02-11 Jason Merrill <jason@redhat.com>
9302 * tree-inline.c (declare_return_variable): Just don't use the
9303 modify target if it's a gimple complex reg and the return slot
9306 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9308 * doc/contrib.texi: Update my entry.
9310 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9312 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9314 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9316 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9319 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9321 * doc/invoke.texi (-floop-optimize2): Removed.
9322 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9323 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9324 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9325 * common.opt (floop-optimize2): Removed.
9326 (fmove-loop-invariants): Enabled by default.
9328 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9330 * tree-if-conv.c (combine_blocks): Free the result of
9331 get_loop_exit_edges.
9333 2006-02-10 Jeff Law <law@redhat.com>
9335 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9337 PR tree-optimization/26213
9338 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9339 loop trying to follow SSA_NAME_VALUE chains.
9341 2006-02-10 Richard Guenther <rguenther@suse.de>
9343 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9344 deal with structures that end in implicitly variable sized arrays.
9346 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9348 PR rtl-optimization/24762
9349 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9352 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9354 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9355 (struct ivopts_data): Add regs_used field.
9356 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9357 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9358 instead of loop_data->regs_used;
9359 (free_loop_data): Do not free aux fields for loops.
9360 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9361 and tree_ssa_iv_optimize_finalize.
9363 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9365 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9367 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9370 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9371 computing the effective result type.
9373 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9376 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9377 (tree_overlaps_hard_reg_set): Declare.
9378 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9379 type and signature to match function type expected by walk_tree.
9380 (tree_overlaps_hard_reg_set): New function.
9381 (decl_conflicts_with_clobbers_p): Rename to:
9382 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9383 Use tree_overlaps_hard_reg_set. Changed caller.
9384 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9385 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9386 * cris.c (cris_md_asm_clobbers): Likewise.
9388 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9390 * reload1.c (emit_input_reload_insns): Delete code that tries to
9391 inherit using find_equiv_reg.
9393 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9395 * c-common.h (flag_const_strings): Don't declare.
9396 * c-common.c (flag_const_strings): Remove.
9397 * c.opt (fconst_strings): Remove.
9398 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9399 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9400 (c_common_init_options): Don't set flag_const_strings.
9401 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9403 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9405 * arm.md (tlobits_cbranch): New pattern.
9406 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9407 testing a single bit.
9409 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9412 * tree-ssa-pre.c (create_component_ref_by_pieces):
9413 Handle RETURN_DECL like VAR_DECL.
9415 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9418 * fold-const.c (fold_indirect_ref_1): Fold
9419 "*(foo *)&complexfoo" to "__real__ complexfoo"
9420 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9422 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9424 * tree-flow-inline.h (var_can_have_subvars):
9425 Volatile variables should not have subvariables.
9427 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9430 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9431 multiplying unsigned values.
9434 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9436 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9438 2006-02-08 Jason Merrill <jason@redhat.com>
9441 * tree.def: Elaborate on difference from MODIFY_EXPR.
9442 * doc/c-tree.texi (INIT_EXPR): Likewise.
9443 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9444 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9445 (gimplify_target_expr): Likewise.
9446 (gimplify_cond_expr): Remove target handling.
9447 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9448 (gimplify_expr): Clobber it here.
9449 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9450 Do return slot optimization if we have an INIT_EXPR.
9453 * tree-inline.c (declare_return_variable): Also clear
9454 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9457 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9460 * gimplify.c (gimplify_one_sizepos): Fix typo.
9462 2006-02-08 Jeff Law <law@redhat.com>
9464 PR tree-optimization/21417
9465 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9466 across a backedge if the control statement at the end of the
9467 block is data dependent on other statements in the same block.
9468 (record_temporary_equivalences_from_stmts): Remove over-conservative
9469 test for threading across backedges.
9471 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9472 control statement, handle all three special cases in the same
9473 manner as they all have the same desired solution. No longer
9474 special case edge flag updating when the post dominator is
9477 2006-02-08 Roger Sayle <roger@eyesopen.com>
9479 * tree.def (CHAR_TYPE): Remove.
9480 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9481 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9482 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9483 (gen_string_type_die): Delete unreachable function.
9485 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9486 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9487 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9488 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9489 * builtins.c (type_to_class): Likewise.
9490 * fold-const.c (fold_convert, build_range_check,
9491 merge_ranges): Likewise.
9492 * expr.c (count_type_elements): Likewise.
9493 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9494 * stor-layout.c (layout_type): Likewise.
9495 * ipa-type-escape.c (type_to_consider): Likewise.
9496 * gimplify.c (omp_firstprivatize_type_sizes,
9497 gimplify_type_sizes): Likewise.
9498 * explow.c (promote_mode): Likewise.
9499 * tree-sra.c (is_sra_scalar_type): Likewise.
9500 * varasm.c (output_constant): Likewise.
9501 * tree-inline.c (remap_type_1): Likewise.
9502 * convert.c (convert_to_pointer, convert_to_real,
9503 convert_to_integer, convert_to_complex): Likewise.
9505 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9507 * df-scan.c (df_def_record_1): A set destination may
9508 be a parallel regardless of mode.
9510 2006-02-08 Roger Sayle <roger@eyesopen.com>
9513 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9514 * config/mips/_tilib.c: Remove.
9515 * config/fixtfdi.c: New libgcc source file.
9516 * config/fixunstfdi.c: New source file.
9517 * config/floatditf.c: New source file.
9518 * config/floatunditf.c: New souce file.
9519 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9520 files above instead of config/mips/_tilib.c.
9521 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9523 2006-02-08 Jeff Law <law@redhat.com>
9525 PR tree-optimization/26169
9526 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9529 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9531 * df.h (DF_REG_SIZE): Return the length of the initialized
9534 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9536 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9537 __muldf3): Return a correctly signed zero.
9539 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9541 * passes.c (register_one_dump_file): Accept the current properties
9542 instead of pass number. Adjust call to dump_register. Remove
9544 (register_dump_files): Now a wrapper around...
9545 (register_dump_files_1): ... this one. Do not modify the pass
9547 (next_pass_1): Cosmetic fix.
9548 (execute_todo): Keep second parameter only. Use curr_properties
9549 instead of fetching it from the pass structure. Check and set
9551 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9552 instead of fetching it from the pass structure. Fix calls to
9553 execute_todo. Update curr_properties and initialize .vcg RTL dump
9554 after running the pass. Reset last_verified.
9555 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9557 (FIRST_AUTO_NUMBERED_DUMP): New.
9558 (dump_register): Remove "num" parameter, assign it within the
9560 (get_dump_file_name): Modify template for dumps.
9561 * tree-dump.h (dump_register): Adjust prototype.
9562 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9563 (PROP_trees): Add PROP_gimple_lomp.
9564 (TODO_set_props): New.
9565 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9566 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9567 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9569 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9571 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9572 (sparc64-*-linux*): Likewise.
9573 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9574 * config/sparc/t-linux: New file.
9575 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9576 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9577 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9578 -m32 -mlong-double-128.
9580 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9581 * config/alpha/t-linux: New file.
9582 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9584 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9585 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9586 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9587 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9588 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9589 (CPP_ARCH32_SPEC): Remove.
9591 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9593 PR tree-optimization/26145
9594 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9597 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9600 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9601 >= 240000 when generating code for SOM runtime.
9602 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9603 to $$dyncall when generating code for SOM runtime..
9605 2006-02-07 Dirk Mueller <dmueller@suse.com>
9608 * doc/invoke.texi (-Wsequence-point): Update documentation
9609 that -Wsequence-point is implemented for C++ as well.
9611 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9613 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9614 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9615 (LIB_SPEC): Likewise.
9616 * doc/invoke.texi (SPARC options): Document -pthread.
9618 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9620 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9623 2006-02-07 Roger Sayle <roger@eyesopen.com>
9625 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9626 Correct comment describing BOOLEAN_TYPE.
9628 2006-02-07 Dirk Mueller <dmueller@suse.com>
9630 * c.opt: C++ frontend supports -Wdiv-by-zero.
9631 * c-opts.c (c_common_handle_option): Remove dead case.
9633 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9635 * configure.ac (TLS assembler check): Do not enable TLS by
9636 default on SPARC/Solaris before version 10.
9637 * configure: Regenerate.
9639 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9641 * doc/invoke.texi (xl-compat): Document conversion and support
9644 2006-02-07 Jeff Law <law@redhat.com>
9646 * tree-vrp.c (find_conditional_asserts): Update comments.
9647 (simplify_stmt_for_jump_threading): New.
9648 (identify_jump_threads, finalize_jump_threads): New.
9649 (vrp_finalize): Call identify_jump_threads.
9650 (execute_vrp): Call finalize_jump_threads.
9651 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9652 (vrp_element, vrp_data, vrp_element_p): Remove.
9653 (vrp_hash_elt, vrp_variables_stack): Remove.
9654 (vrp_hash, vrp_eq, record_range): Remove.
9655 (simplify_cond_and_lookup_avail_expr): Remove.
9656 (extract_range_from_cond): Remove.
9657 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9658 (simplify_stmt_for_jump_threading): New.
9659 (dom_thread_across_edge): New wrapper.
9660 (tree_ssa_dominator_optimize): No longer initialize or
9661 finalize any of the VRP datastructures. Remove iteration
9662 step and simplify as a result of removal of iteration step.
9663 (pass_dominator): Perform a cfg cleanup after DOM.
9664 (dom_opt_finalize_block): Use the new common routines
9665 for threading jumps. Simplify stack management slightly.
9666 No longer need to unwind VRP state.
9667 (record_equivalences_from_incoming_edge): No longer record
9669 (eliminate_redundant_computations): No longer call
9670 simplify_cond_and_lookup_avail_expr.
9671 * tree-flow.h (potentially_threadable_block): Prototype.
9672 (thread_across_edge): Likewise.
9673 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9674 (tree-ssa-threadedge.o): Add dependencies.
9675 * tree-ssa-threadedge.c: New file.
9676 * passes.c (init_optimization_passes): Merge PHIs before
9677 calling VRP. Run VRP again late in the SSA optimization pipeline.
9679 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9681 * df-core.c (df_set_blocks): Do not dereference function pointers.
9682 (df_finish1): Likewise.
9683 (df_hybrid_search_forward): Likewise.
9684 (df_hybrid_search_backward): Likewise.
9685 (df_iterative_dataflow): Likewise.
9686 (df_analyze_problem): Likewise.
9687 (df_compact_blocks): Likewise.
9688 (df_dump): Likewise.
9689 * df-scan.c (df_rescan_blocks): Likewise.
9690 (df_record_entry_block_defs): Likewise.
9692 * genconditions.c (write_conditions): Guard the definition of
9693 'insn_conditions' with the check on GCC version.
9694 (write_writer): Guard the traversal 'insn_conditions' with
9695 the check on GCC version.
9697 2006-02-07 Richard Guenther <rguenther@suse.de>
9701 2006-01-30 Richard Guenther <rguenther@suse.de>
9703 * gimplify.c (gimplify_target_expr): Handle easy cases
9704 without creating a temporary.
9706 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9708 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9709 use of float in probability computations. Use edge probabilities
9710 in place of statically computed probabilities.
9711 (min_spec_prob): New static variable.
9712 (schedule_insns): Initialize it.
9713 (GET_SRC_PROB): Removed.
9714 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9716 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9719 * config/ia64/unwind-ia64.c: Revert last change.
9720 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9721 (INCOMING_FRAME_SP_OFFSET): Define.
9723 2006-02-06 Roger Sayle <roger@eyesopen.com>
9725 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9727 2006-02-07 Ben Elliston <bje@au.ibm.com>
9729 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9730 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9731 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9732 (ix86_return_in_memory): Handle TDmode.
9733 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9734 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9736 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9738 * reorg.c (dbr_schedule): Use dump_file instead of file.
9740 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9743 * config/ia64/predicates.md (extr_len_operand): New predicate.
9744 * config/ia64/ia64.md (extv): Tighten constraints.
9746 (*tbit_and_2): Ditto.
9747 (*tbit_and_3): Ditto.
9748 (*tbit_or_2): Ditto.
9749 (*tbit_or_3): Ditto.
9753 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9756 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9758 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9760 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9761 loop_optimizer_init and loop_optimizer_finalize
9762 * tree-ssa-sink.c (execute_sink_code): Ditto.
9763 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9764 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9765 tree_ssa_loop_done): Ditto.
9766 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9767 * sched-ebb.c: Include output.h.
9768 (schedule_ebbs): Do not use dump argument.
9769 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9770 * loop.c (loop_dump_stream): Removed.
9771 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9773 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9774 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9775 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9776 loop_iterations, strength_reduce, record_biv, record_giv,
9777 final_giv_value, check_final_value, check_ext_dependent_givs,
9778 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9779 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9780 dump_file instead of loop_dump_stream.
9781 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9783 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9785 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9786 * haifa-sched.c: Include output.h
9787 (schedule_insns, sched_init): Do not use dump argument.
9788 * mode-switching.c (optimize_mode_switching): Ditto.
9789 * modulo-sched.c (stats_file): Removed.
9790 (print_node_sched_params): Do not call argument dump_file.
9791 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9792 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9794 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9796 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9797 rtl_loop_init, rtl_loop_done): Ditto.
9798 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9799 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9801 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9802 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9803 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9804 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9805 * emit-rtl.c (renumber_insns): Ditto.
9806 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9807 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9808 * regclass.c (regclass): Ditto.
9809 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9810 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9811 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9812 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9814 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9815 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9817 * gcse.c (gcse_file, debug_stderr): Removed.
9818 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9819 rest_of_handle_gcse): Do not use dump argument.
9820 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9821 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9822 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9823 compute_code_hoist_vbeinout, compute_code_hoist_data,
9824 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9825 compute_store_table, build_store_vectors, insert_insn_start_bb,
9826 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9827 store_motion): Use dump_file instead of gcse_file.
9828 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9829 * profile.c (profile_dump_file): Removed.
9830 (branch_prob): Use dump_file instead of profile_dump_file.
9831 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9833 * tree-ssa-copy.c (dump_copy_of): Ditto.
9834 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9835 dump file to life_analysis.
9836 * bt-load.c (branch_target_load_optimize): Ditto.
9837 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9839 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9840 regclass, dbr_schedule): Declaration changed.
9841 * sched-int.h (sched_init): Declaration changed.
9842 * tree-profile.c (tree_profile_dump_file): Removed.
9843 (tree_profile_hooks): Removed profile_dump_file hook.
9844 * rtl-profile (rtl_profile_dump_file): Removed.
9845 (rtl_profile_hooks): emoved profile_dump_file hook.
9846 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9848 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9849 * tree-cfg.c (build_tree_cfg): Ditto.
9850 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9851 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9852 Declaration changed.
9853 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9854 life_analysis and schedule_insns.
9855 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9857 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9859 * config/mips/mips.c (mips_reorg): Ditto.
9860 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9863 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9865 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9866 (s390_mangle_fundamental_type): New.
9867 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9870 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9871 (alpha_mangle_fundamental_type): New.
9872 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9875 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9877 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9879 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9880 (sparc_mangle_fundamental_type): New.
9882 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9884 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9885 (s390x-*-linux*): Likewise.
9886 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9887 * config/s390/t-linux: New file.
9889 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9891 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9892 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9894 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9896 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9897 (ANTIC_SAFE_LOADS): New macro.
9898 (find_or_generate_expression): Add prototype.
9899 (set_contains_value): Allow null set for sake of not always having
9900 to allocate ANTIC_SAFE_LOADS.
9901 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9902 Allow COMPONENT_REF too.
9903 (valid_in_set): Allow COMPONENT_REF.
9904 Check ANTIC_SAFE_LOADS too.
9905 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9906 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9908 (can_PRE_operation): Add COMPONENT_REF.
9909 (create_component_ref_by_pieces): New function.
9910 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9911 (insert_aux): Move AGGREGATE_TYPE_P check here.
9912 (compute_avail): Set bb local stmt uids.
9913 (pass_pre): Use TODO_update_ssa_only_virtuals.
9915 2006-02-06 Ben Elliston <bje@au.ibm.com>
9917 * configure.ac: Unconditionally disable decimal float by default.
9918 * configure: Regenerate.
9920 2006-02-06 Ben Elliston <bje@au.ibm.com>
9922 * read-rtl.c (read_name): Terminate reading on EOF.
9924 2006-02-06 Ben Elliston <bje@au.ibm.com>
9926 * dfp.c (decimal_real_arithmetic): Change second argument type
9927 from int to enum tree_code. Do not always return true, but now
9928 return result of any call to decimal_do helper functions.
9929 * dfp.h (decimal_real_arithmetic): Update prototype.
9931 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9933 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9935 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9938 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9941 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9943 * tree-vrp.c (cfg_loops): Removed.
9944 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9945 Use current_loops instead of cfg_loops. Pass flags to
9946 loop_optimizer_init.
9947 * cfgloopmanip.c (fix_loop_structure): Update only available
9949 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9950 loop_optimizer_init.
9951 * modulo-sched.c (build_loops_structure): Removed.
9952 (sms_schedule): Use loop_optimizer_init.
9953 * loop-init.c (loop_optimizer_init): Use flags to determine
9954 which properties of loops to prepare.
9955 (rtl_loop_init): Pass flags to loop_optimizer_init.
9956 * tree-ssa-sink.c (execute_sink_code): Ditto.
9957 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9958 * tree-ssa-pre.c (init_pre): Ditto.
9959 * cfgloop.h (LOOPS_NORMAL): New.
9960 (loop_optimizer_init): Declaration changed.
9962 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9964 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9965 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9967 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9969 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9971 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9972 * pa/t-pa64: Delete quadlib.c rule.
9973 * pa/x-ada: Revert last change.
9974 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9976 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9978 PR rtl-optimization/26087
9979 * rtlanal.c (canonicalize_condition): Do not cross basic block
9982 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9985 * config/ia64/ia64.c: Include debug.h.
9986 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9987 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9988 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9989 (process_epilogue, process_set, process_for_unwind_directive):
9990 Output unwind info only if requested. Add CFA info if requested.
9991 Add new arguments as needed. Adjust callers.
9992 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9994 (DWARF2_FRAME_INFO): Define to zero.
9995 * config/ia64/unwind-ia64.c: Remove code that compensated for
9996 the CFA offset error fixed above.
9997 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9998 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9999 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10000 -funwind-tables and -fexceptions to enable frame info.
10001 (dwarf2out_frame_init): Define initial CFA even if
10002 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10003 DWARF2_UNWIND_INFO is nonzero, not just defined.
10004 (dwarf2out_frame_finish): Output non-EH call frame info only
10005 if DWARF2_FRAME_INFO is nonzero.
10006 (convert_cfa_to_loc_list,
10007 compute_frame_pointer_to_cfa_displacement): Define even if
10008 unwind info is not supported.
10009 (gen_subprogram_die): Use the above unconditionally. Remove
10010 legacy alternate code.
10011 * toplev.c (compile_file): Compile in call to
10012 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10013 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10015 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10016 Jakub Jelinek <jakub@redhat.com>
10018 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10019 IBM extended float format long double as "g" on powerpc*-linux.
10021 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10024 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10025 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10027 2006-02-03 Jason Merrill <jason@redhat.com>
10030 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10032 PR middle-end/25977
10033 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10034 on the return slot if it's an NRV.
10036 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10038 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10039 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10040 rewrite_use): Do not handle USE_OUTER.
10041 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10042 add_iv_outer_candidates, may_replace_final_value,
10043 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10044 (find_interesting_uses_op): Functionality of
10045 find_interesting_uses_outer_or_nonlin moved here.
10046 (find_interesting_uses_outside): Use find_interesting_uses_op.
10048 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10051 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10053 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10054 Ulrich Weigand <uweigand@de.ibm.com>
10057 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10058 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10059 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10060 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10062 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10063 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10064 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10065 Define secondary reloads for TFmode moves.
10066 (constant_modes): Add TFmode.
10067 (NR_C_MODES): Set to 8.
10068 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10070 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10071 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10072 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10073 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10074 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10075 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10076 (FPR mode macro): Add TFmode.
10077 (DSF mode macro): New.
10078 (<de>, <dee> mode attributes): Removed.
10079 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10080 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10081 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10082 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10083 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10084 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10085 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10086 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10087 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10088 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10089 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10090 "*negabs<mode>2", "sqrt<mode>2"):
10091 Changed <de> to <xde>. R constraint replaced by <Rf>.
10092 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10094 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10095 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10096 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10098 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10099 "extenddftf2", "extendsftf2"): New expanders.
10100 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10101 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10102 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10103 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10105 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10106 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10107 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10108 __floatditf): Add a GCC_4.1.0 symbol version tag.
10109 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10112 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10115 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10116 Use targetm.binds_local_p instead of TREE_PUBLIC.
10118 2006-02-02 Roger Sayle <roger@eyesopen.com>
10120 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10121 on INTEGER_TYPEs to indicate that it denotes a character type.
10122 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10123 signed_char_type_node, unsigned_char_type_node and char_type_node.
10124 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10125 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10126 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10128 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10129 Daniel Berlin <dberlin@dberlin.org>
10131 * tree-tailcall.c (arg_needs_copy_p): New function.
10132 (eliminate_tail_call): Use arg_needs_copy_p.
10133 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10134 (add_virtual_phis): New function.
10136 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10138 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10139 #ignore instead of #scratch for %g7 .register directive.
10141 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10143 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10146 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10148 * flow.c (calculate_global_regs_live): Assert that there aren't any
10151 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10153 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10154 what its name says.
10155 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10156 bsi_after_labels iterator.
10157 * tree-if-conv.c (find_phi_replacement_condition,
10158 replace_phi_with_cond_modify_expr): Likewise.
10159 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10160 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10162 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10164 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10166 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10169 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10170 array after growing it.
10172 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10174 PR middle-end/24901
10175 * fold-const.c (fold_checksum_tree): Change type of buf.
10177 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10179 * reload.c (push_secondary_reload): Initialize t_icode.
10181 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10183 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10184 -msoft-float -mlong-double-128 only issue a warning, but don't
10185 swich to DFmode long double.
10187 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10189 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10190 has a constant equivalent, iterate over equivalents for arg0,
10191 calling simplify_relational_operation and if there's a result
10192 cheaper than X, apply fold_rtx and return the result.
10194 2006-02-01 Jan Hubicka <jh@suse.cz>
10196 * opts.c (no_unit_at_a_time_default): New global variable.
10197 (decode_options): Use it.
10198 * opts.h (no_unit_at_a_time_default): Declare.
10200 2006-02-01 Paul Brook <paul@codesourcery.com>
10202 * function.c (assign_parm_setup_reg): Use function argument promotion
10204 * expr.c (expand_expr_real_1): Use function argument promotion rules
10207 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10209 * gcc.c (process_command): Change j to 'unsigned int'.
10211 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10213 PR middle-end/26001
10214 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10215 Use the corrected index for the character
10216 out of the string constant.
10218 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10220 * mode-switching.c (optimize_mode_switching): Fix size
10221 allocated for bb_info[n_entities].
10223 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10225 * gcc.c (main): Correct type that is allocated for
10226 explicit_link_files.
10228 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10230 * config/s390/s390.c (init_alignment_context): Set
10231 ALIAS_SET_MEMORY_BARRIER on the MEM.
10232 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10234 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10236 PR middle-end/25933
10237 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10239 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10242 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10244 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10245 * regrename.c: Ditto.
10246 * tree-ssa-loop-im.c: Ditto.
10247 * tree-dump.c: Ditto.
10248 * tree-complex.c: Ditto.
10249 * genrecog.c: Ditto.
10250 * tree-ssa-threadupdate.c: Ditto.
10252 * java/class.c: Ditto.
10253 * java/jcf-parse.c: Ditto.
10254 * java/resource.c: Ditto.
10255 * java/except.c: Ditto.
10256 * java/jvspec.c: Ditto.
10257 * java/jcf-write.c: Ditto.
10258 * java/jcf-path.c: Ditto.
10259 * java/gjavah.c: Ditto.
10260 * java/zextract.c: Ditto.
10261 * java/jcf-io.c: Ditto.
10262 * java/jcf.h: Ditto.
10263 * java/buffer.c: Ditto.
10264 * java/lang.c: Ditto.
10265 * java/parse-scan.y: Ditto.
10266 * java/lex.c: Ditto.
10267 * java/lex.h: Ditto.
10268 * cfgloopmanip.c: Ditto.
10269 * postreload-gcse.c: Ditto.
10270 * tree-ssa-loop-manip.c: Ditto.
10271 * postreload.c: Ditto.
10272 * tree-ssa-loop-ch.c: Ditto.
10275 * cppspec.c: Ditto.
10276 * diagnostic.c: Ditto.
10278 * genoutput.c: Ditto.
10280 * cfghooks.c: Ditto.
10281 * cfgloopanal.c: Ditto.
10282 * objc/objc-act.c: Ditto.
10284 * genextract.c: Ditto.
10285 * genautomata.c: Ditto.
10286 * pretty-print.c: Ditto.
10287 * genemit.c: Ditto.
10288 * cgraphunit.c: Ditto.
10290 * df-scan.c: Ditto.
10291 * haifa-sched.c: Ditto.
10292 * dominance.c: Ditto.
10294 * tree-ssa-loop-ivopts.c: Ditto.
10295 * df-core.c: Ditto.
10296 * mode-switching.c: Ditto.
10297 * modulo-sched.c: Ditto.
10299 * ipa-pure-const.c: Ditto.
10301 * fix-header.c: Ditto.
10303 * tree-stdarg.c: Ditto.
10304 * ipa-utils.c: Ditto.
10305 * loop-init.c: Ditto.
10306 * ipa-inline.c: Ditto.
10307 * cfganal.c: Ditto.
10309 * alloc-pool.c: Ditto.
10310 * dwarf2out.c: Ditto.
10312 * genattrtab.c: Ditto.
10313 * tree-ssa-loop-ivcanon.c: Ditto.
10314 * predict.c: Ditto.
10315 * timevar.c: Ditto.
10317 * fortran/gfortranspec.c: Ditto.
10318 * regmove.c: Ditto.
10319 * local-alloc.c: Ditto.
10320 * langhooks.c: Ditto.
10321 * function.c: Ditto.
10322 * tree-vectorizer.c: Ditto.
10324 * ipa-type-escape.c: Ditto.
10326 * tree-if-conv.c: Ditto.
10327 * profile.c: Ditto.
10329 * tree-data-ref.c: Ditto.
10330 * loop-unroll.c: Ditto.
10331 * treelang/treetree.c: Ditto.
10333 * bt-load.c: Ditto.
10334 * ggc-common.c: Ditto.
10336 * coverage.c: Ditto.
10338 * tree-cfgcleanup.c: Ditto.
10339 * tree-ssa-pre.c: Ditto.
10340 * cfgcleanup.c: Ditto.
10341 * loop-invariant.c: Ditto.
10342 * loop-iv.c: Ditto.
10343 * ipa-prop.c: Ditto.
10344 * print-tree.c: Ditto.
10345 * conflict.c: Ditto.
10346 * ggc-page.c: Ditto.
10347 * sched-deps.c: Ditto.
10348 * regclass.c: Ditto.
10349 * tree-object-size.c: Ditto.
10350 * combine.c: Ditto.
10351 * bb-reorder.c: Ditto.
10352 * resource.c: Ditto.
10353 * var-tracking.c: Ditto.
10354 * cfgloop.c: Ditto.
10355 * df-problems.c: Ditto.
10356 * reg-stack.c: Ditto.
10358 * gccspec.c: Ditto.
10359 * sched-rgn.c: Ditto.
10360 * tree-ssa-structalias.c: Ditto.
10361 * tree-ssa-reassoc.c: Ditto.
10362 * config/darwin-c.c: Ditto.
10363 * config/darwin.c: Ditto.
10364 * config/arm/arm.c: Ditto.
10366 * collect2.c: Ditto.
10367 * reload1.c: Ditto.
10369 2006-01-31 Nicolas Pitre <nico@cam.org>
10371 * arm.md (smaxsi3): Make aware of smax_m1.
10374 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10376 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10378 2006-01-31 Richard Guenther <rguenther@suse.de>
10380 * doc/invoke.texi (-msselibm): Document.
10381 * target.h (expand_library_builtin): New target hook.
10382 * builtins.c (expand_builtin): Use expand_library_builtin.
10383 (default_expand_library_builtin): New function.
10384 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10385 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10386 (link_gcc_math_spec): Declare.
10387 (static_specs): Add link_gcc_math_spec.
10388 * expr.h (default_expand_library_builtin): Declare.
10389 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10390 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10391 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10392 * config/i386/i386.opt (msselibm): New target option.
10393 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10394 (ix86_init_sse_abi_builtins): New function.
10395 (ix86_expand_library_builtin): Likewise.
10396 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10397 (override_options): Handle error conditions wrt -msselibm.
10398 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10399 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10400 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10403 2006-01-31 Richard Guenther <rguenther@suse.de>
10404 Paolo Bonzini <bonzini@gnu.org>
10406 * doc/install.texi (--disable-libgcc-math): Document.
10408 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10410 * expr.h (expand_normal): new inline function.
10411 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10412 * dojump.c: use it.
10413 * dwarf2out.c: use it.
10416 * expmed.c: use it.
10417 * except.c: use it.
10418 * config/sparc/sparc.c: use it.
10419 * config/i386/i386.c: use it.
10420 * config/rs6000/rs6000.c: use it.
10421 * config/arm/arm.c: use it.
10422 * config/mips/mips.c: use it.
10423 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10425 2006-01-30 Roger Sayle <roger@eyesopen.com>
10427 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10428 argv to the appropriate type.
10430 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10432 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10435 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10438 * config/s390/s390.c (struct machine_function): New flag
10439 decomposed_literal_pool_addresses_ok_p.
10440 (s390_reorg): Set it before final stage of literal pool transforms.
10441 (s390_decompose_address): Only accept displacements of the form
10442 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10444 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10446 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10447 the comparison routine return.
10449 2006-01-30 Michael Matz <matz@suse.de>
10451 * global.c (find_reg): Only evict for global regs.
10452 Take n_refs into account and dump more info.
10454 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10457 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10458 (pragma_trap, pragma_nosave_low_regs): Likewise.
10459 (current_function_anonymous_args): Likewise.
10460 (sh_deferred_function_attributes): New variable.
10461 (sh_deferred_function_attributes_tail): Likewise.
10462 (print_operand): For '@', look up trap_exit attribute.
10463 (calc_live_regs): Look up trapa_handler attribute. For trapa
10464 handlers, save/restore fpscr, but don't do any other
10465 interrupt-specific saves.
10466 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10467 Fix check for partially saved registers to check for SHmedia.
10468 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10469 (sh_output_function_epilogue): Don't clear any of the removed
10471 (sh_insert_attributes): Don't check pragma_interrupt.
10472 Insert deferred attributes. Check that interrupt attribute is
10473 present for other attributes that require its presence.
10474 (sh_attribute_table): Add new attributes trapa_handler and
10476 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10477 Don't check for pragma_interrupt. Don't store argument.
10478 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10479 (sh_deferred_function_attributes): Declare.
10480 (sh_deferred_function_attributes_tail): Likewise.
10481 * sh.md (sp_switch_1): Add operand. Change generator caller.
10482 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10483 (*return_i): Don't use when trap_exit attribute is in effect.
10484 (*return_trapa): New insn pattern.
10485 * sh-c.c: New file.
10486 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10487 setting c_target_objs and cxx_target_objs.
10488 * t-sh: Add rule for sh-c.o.
10490 2006-01-30 Richard Guenther <rguenther@suse.de>
10493 * gimplify.c (gimplify_target_expr): Handle easy cases
10494 without creating a temporary.
10496 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10498 * vec.h (safe_grow): Remove duplicated line.
10500 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10503 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10504 (expand_omp): ... here.
10505 (expand_omp_parallel): Only remove barriers for combined
10506 parallel+workshare constructs.
10508 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10512 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10513 * tree.c (build_qualified_type): Chain the new type to the original
10514 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10515 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10516 (build_pointer_type_for_mode): Only return unqualified types.
10517 (build_reference_type_for_mode): Likewise.
10519 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10521 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10522 * Makefile.in (CXX_COMPAT_WARN): Define.
10523 * configure: Regenerate.
10525 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10528 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10531 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10533 * toplev.c: Fix thinko.
10535 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10536 Marcin Dalecki <martin@dalecki.de>
10538 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10539 (push_srcloc): Use XNEW.
10540 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10542 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10544 * df-core.c (df_set_blocks): Deleted all variable.
10546 2006-01-28 Ian Lance Taylor <ian@airs.com>
10548 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10549 cgraph_output_pending_asms.
10551 2006-01-28 Zack Weinberg <zackw@panix.com>
10553 * c.opt: Add -W(no-)overlength-strings.
10554 * doc/invoke.texi: Document it.
10555 * c-opts.c (c_common_handle_option): -pedantic implies
10556 -Woverlength-strings, if not explicitly disabled already.
10557 (c_common_post_options): -Woverlength-strings defaults to off, and
10558 is always off for C++.
10559 * c-common.c (fix_string_type): Issue warning about strings longer
10560 than is portable only if warn_overlength_strings. Rearrange code
10561 a little for clarity.
10562 * configure.in: Check for -Wno-overlength-strings as well before
10563 enabling -pedantic in stage 1.
10564 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10565 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10567 * genconditions.c (write_header, write_one_condition)
10568 (write_conditions, write_writer): Consolidate very long strings
10569 that were broken up to fit in C89 portable limit. Don't use
10570 printf when fputs will do.
10572 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10574 * combine.c (simplify_comparison <AND>): Check
10575 TRULY_NOOP_TRUNCATION before start using a subreg.
10577 * config/mips/mips.md (*branch_zero<mode>,
10578 *branch_zero<mode>_inverted, *branch_equality<mode>,
10579 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10580 Remove mode check from comparisons.
10582 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10584 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10586 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10588 * expmed.c (const_mult_add_overflow_p): Remove.
10589 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10591 * recog.c (validate_replace_rtx_subexp): Remove.
10592 * recog.h: Remove the prototype for
10593 validate_replace_rtx_subexp.
10595 * integrate.h: Remove the prototype for
10596 copy_decl_for_inlining.
10597 * rtl.h: Remove the prototype for mark_constant_function.
10598 * tree-vectorizer.h: Remove the prototype for
10599 vect_strip_conversion.
10601 * modulo-sched.c (create_partial_schedule,
10602 free_partial_schedule, reset_partial_schedule): Make them
10605 * hooks.c (hook_bool_rtx_int_false): Remove.
10606 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10608 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10610 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10611 and -mlong-double-128 are incompatible.
10612 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10613 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10614 (TARGET_LIBGCC2_CFLAGS): Define.
10615 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10616 (TARGET_LIBGCC2_CFLAGS): Same.
10617 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10619 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10622 * c-typeck.c (build_binary_op): Perform implicit casts of
10623 operands before shortening them.
10625 * cfgloopmanip.c (split_loop_bb): Remove.
10626 * cfgloop.h: Remove the prototype for split_loop_bb.
10628 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10629 * cfgloop.h: Remove the prototype for
10630 flow_loop_outside_edge_p.
10632 * emit-rtl.c (init_virtual_regs): Make it static.
10633 * function.h: Remove the prototype for init_virtual_regs.
10635 * recog.c (peephole2_optimize): Make it static.
10636 * recog.h: Remove the prototype for peephole2_optimize.
10638 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10640 * df-scan.c (df_record_entry_block_defs): Check if
10641 INCOMING_RETURN_ADDR_RTX is defined.
10643 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10644 Kenneth Zadeck <zadeck@naturalbridge.com>
10646 PR rtl-optimization/24762
10647 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10648 * targhooks.c (hook_void_bitmap): New hook prototype.
10649 * targhoohs.h (hook_void_bitmap): Ditto.
10650 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10651 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10652 * target.h (live_on_entry): New function pointer.
10653 * df-scan.c (df_all_hard_regs): Removed.
10654 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10655 (df_scan_free_internal): Added df->entry_block_defs.
10656 (df_scan_alloc): Ditto.
10657 (df_scan_dump): Ditto.
10658 (df_uses_record): Plumbed flag field properly thru calls.
10659 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10660 This part fixes PR24762.
10661 (df_bb_refs_record): Added code to make the frame and arg
10662 pointers live in EH blocks.
10663 (df_refs_record): Added call to df_record_entry_block_defs.
10664 (df_record_entry_block_defs): New function.
10665 * df-core.c: Added comments to describe new artifical defs.
10666 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10667 (entry_block_defs): New field in struct df.
10668 (df_all_hard_regs): Deleted.
10669 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10670 * df-problems.c (df_ru_bb_local_compute_process_def):
10671 Added code to handle artifical defs in the entry to a function.
10672 (df_ru_bb_local_compute): Ditto.
10673 (df_rd_bb_local_compute_process_def): Ditto.
10674 (df_rd_bb_local_compute): Ditto.
10675 (df_lr_bb_local_compute): Ditto.
10676 (df_ur_bb_local_compute): Ditto.
10677 (df_urec_bb_local_compute): Ditto.
10678 (df_chain_create_bb): Ditto.
10679 (df_ur_local_finalize): Removed entry.
10680 (df_urec_init): Ditto.
10681 (df_urec_local_finalize): Ditto.
10682 (df_ri_bb_compute): Added detection of last use of pseudos.
10683 * Makefile.in (df-scan.o): Updated dependencies.
10684 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10685 * config/mips/mips.c (mips_set_live_on_entry): Added.
10686 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10688 * dce.c (marked_insn_p): Added code to handle artifical defs.
10690 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10692 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10694 (_mm_cvtsi128_si64): Likewise.
10695 (_mm_cvtsd_si64): Likewise.
10696 (_mm_cvttsd_si64): Likewise.
10697 (_mm_cvtsi64_sd): Likewise.
10698 (_mm_cvtsi64_si128): Likewise.
10699 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10700 (_mm_cvtsi64_m64): Likewise.
10701 (_m_to_int64): Likewise.
10702 (_mm_cvtm64_si64): Likewise.
10703 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10704 (_mm_cvttss_si64): Likewise.
10705 (_mm_cvtsi64_ss): Likewise.
10706 (_mm_cvtss_f32): Likewise.
10708 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10710 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10711 for pragma redefine_extname.
10713 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10716 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10717 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10718 -mno-minimal-toc to previous content.
10719 (bispecs): Remove goal.
10720 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10721 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10722 compatibility aliases on powerpc-*-*gnu*.
10723 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10724 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10725 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10726 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10727 (ldblspecs): New goal.
10728 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10729 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10731 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10732 L_sf_to_tf or L_df_to_tf is defined.
10734 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10735 Alan Modra <amodra@bigpond.net.au>
10738 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10739 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10740 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10741 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10742 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10743 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10744 (rs6000_override_options): Initialize rs6000_ieeequad.
10745 Initialize TFmode format to ibm_extended_format if not
10747 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10749 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10750 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10751 (function_arg_advance): IBM long double passed in two FPRs, not
10753 (function_arg): IBM long double passed in FPRs.
10754 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10755 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10756 Only multireg GPR aligned.
10757 (rs6000_init_libfuncs): Enable IBM long double functions if not
10759 (rs6000_generate_compare): Use IBM long double compare if not
10761 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10762 (TARGET_IEEEQUAD): Define.
10763 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10764 not TARGET_IEEEQUAD.
10765 * config/rs6000/rs6000.md: Enable TFmode patterns if
10767 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10768 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10769 and -mlong-double-128 are incompatible.
10770 * doc/invoke.texi (-mabi): Collect options together. Add
10771 ibmlongdouble and ieeelongdouble.
10773 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10775 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10777 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10778 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10779 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10780 * rtl.h (rtunion_def): Remove rt_ptr.
10782 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10783 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10784 * config/i386/winnt.c (i386_pe_mark_dllexport)
10785 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10787 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10789 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10791 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10795 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10796 pthread_key_delete. From John David Anglin. gthrw-ify
10797 pthread_getunique_np only if it it's not a macro. Delete
10799 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10800 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10801 __gthread_objc_condition_signal, __gthread_key_delete): Add
10802 "__attribute__ ((__unused__))" to unused arguments.
10803 (__gthread_recursive_mutex_init_function): Add missing return.
10804 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10805 gthr-posix95.h: Use macro-based approach for name redirection
10806 on targets missing weakref.
10808 2006-01-26 Zack Weinberg <zackw@panix.com>
10810 * genconditions.c (write_header): In generated code, #ifdef out
10811 all includes and fake declarations, except includes of bconfig.h
10812 and system.h, unless GCC_VERSION >= 3001. Do not include
10813 gensupport.h in any case.
10814 (write_conditions): Generate a definition of struct c_test. Add
10815 a comment to the generated #endif.
10816 (write_one_condition): Escape backslashes in string too.
10817 (write_writer): Generated code must escape backslashes and quote
10818 marks (but not newlines) in the strings it writes.
10819 * Makefile.in (build/gencondmd.o): Update dependencies.
10821 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10824 * Makefile.in (insn-automata.o): Add header file dependencies.
10825 * genautomata.c: Add includes.
10827 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10830 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10832 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10834 * configure.ac: Expect target tools paths to be passed from the toplevel
10835 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10837 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10839 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10842 * c.opt (Wpointer-sign): Init to -1.
10843 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10844 OPT_pedantic, to 0 otherwise.
10845 * doc/invoke.texi: Update.
10847 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10849 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10850 constants provided by 80387 instructions in the destination mode.
10852 2006-01-26 Richard Guenther <rguenther@suse.de>
10853 Andrew Pinski <pinskia@physics.uc.edu>
10856 partial PR tree-opt/17064
10857 * tree-ssa-structalias.c (intra_create_variable_infos):
10858 Create heap variables for incoming parameters if
10859 flag_argument_noalias > 1.
10860 (find_what_p_points_to): Look through default defs of
10863 2006-01-26 Jeff Law <law@redhat.com>
10866 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10867 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10868 within the VR_RANGE, use the VR_RANGE as the result, not the
10870 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10871 bounds for the type.
10873 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10875 * tree-ssa-alias.c (maybe_create_global_var): Change
10876 subvar walking to an assertion that we don't have subvar'd variables.
10878 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10881 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10882 Use a new variable, inner. PARM_DECLs are always non-weak.
10884 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10886 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10887 --disable-checking.
10889 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10891 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10893 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10895 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10896 (smax_insn, smin_insn, smax_0, smin_0): New.
10898 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10901 * config/cris/cris.c (cris_order_for_addsi3): New function.
10902 * config/cris/cris-protos.h: Prototype it.
10903 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10904 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10905 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10906 (split for "op.S1 [rx=rx+i],ry (swapped)")
10907 (split for "op(s|u).S1 [rx=rx+i],ry")
10908 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10909 Apply cris_order_for_addsi3 when generating addsi3 insns.
10911 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10913 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10914 (TREE_BLOCK): Add call to EXPR_CHECK.
10916 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10919 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10920 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10921 (dump_omp_clauses): ... here.
10922 (dump_generic_node): Handle OMP_CLAUSE.
10923 * tree.c (omp_clause_num_ops): New.
10924 (omp_clause_code_name): New.
10925 (tree_code_size): Handle OMP_CLAUSE.
10926 (tree_size): Likewise.
10927 (make_node): Document handling of OMP_CLAUSE.
10928 (tree_node_structure): Handle OMP_CLAUSE.
10929 (omp_clause_check_failed): New.
10930 (omp_clause_range_check_failed): New.
10931 (omp_clause_operand_check_failed): New.
10932 (build_omp_clause): New.
10933 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10934 * tree.h (enum omp_clause_code): Declare.
10935 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10936 (OMP_CLAUSE_RANGE_CHECK): Define.
10937 (OMP_CLAUSE_ELT_CHECK): Define.
10938 (omp_clause_check_failed): Declare.
10939 (omp_clause_operand_check_failed): Declare.
10940 (omp_clause_range_check_failed): Declare.
10941 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10942 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10943 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10944 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10945 (OMP_CLAUSE_IF_EXPR): Likewise.
10946 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10947 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10948 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10949 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10950 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10951 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10952 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10953 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10954 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10955 (OMP_CLAUSE_CODE): Define.
10956 (OMP_CLAUSE_SET_CODE): Define.
10957 (OMP_CLAUSE_CODE): Define.
10958 (OMP_CLAUSE_OPERAND): Define.
10959 (struct tree_omp_clause): Declare.
10960 (union tree_node): Add field 'omp_clause'.
10961 * treestruct.def (TS_OMP_CLAUSE): Define.
10962 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10963 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10964 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10965 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10966 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10967 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10968 (OMP_CLAUSE): Define.
10969 * print-tree.c (print_node): Handle OMP_CLAUSE.
10970 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10971 * c-typeck.c: Likewise.
10972 * gimplify.c: Likewise.
10973 * c-omp.c: Likewise.
10974 * tree-nested.c: Likewise.
10975 * tree-inline.c: Likewise.
10976 * c-parser.c: Likewise.
10977 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10980 2006-01-25 Roger Sayle <roger@eyesopen.com>
10982 PR rtl-optimization/25703
10983 * combine.c (try_combine): Handle zero_extract and strict_low_part
10984 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10986 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10988 * global.c: Fix comment typos.
10990 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10993 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10994 Use output_addr_const instead of assemble_name.
10996 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10998 * Makefile.in (sched-vis.o): Update dependencies.
10999 * haifa-sched.c (sched_finish): Clear current_sched_info.
11000 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11001 (dump_flow_info): Call it.
11002 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11004 * basic-block.h (dump_bb_info): Declare.
11005 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11006 option, and apply options only for dump files whose TDF_RTL,
11007 TDF_TREE, or TDF_IPA bits match.
11008 * rtl.h: Declare new functions exported from sched-vis.c.
11009 * sched-vis.c: Enable also if scheduling is not used.
11010 (print_value): Print the mode of registers if not inside scheduling.
11011 (print_insn): Make it work outside the scheduler. Beautify the output
11013 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11015 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11017 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11018 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11019 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11020 depending on the value of CONSTANT_POOL_ADDRESS_P.
11021 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11023 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11024 rather than SYMBOL_REF_DECL.
11025 (rtx_constant_pool): Remove const_rtx_sym_htab.
11026 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11027 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11028 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11029 Remove handling of const_rtx_sym_htab.
11030 (find_pool_constant): Delete.
11031 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11032 rather than find_pool_constant.
11033 (get_pool_constant_for_function): Delete.
11034 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11035 find_pool_constant.
11036 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11037 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11038 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11039 (SYMBOL_REF_CONSTANT): New macro.
11040 (get_pool_constant_for_function): Delete.
11041 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11042 rather than SYMBOL_REF_DECL.
11043 (i386_pe_mark_dllimport): Likewise.
11044 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11045 rather than SYMBOL_REF_DECL.
11046 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11047 (machopic_indirect_call_target): Likewise.
11049 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11051 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11053 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11055 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11057 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11059 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11061 2006-01-24 David Daney <ddaney@avtrex.com>
11064 * configure.ac (enable_tls): New enable option.
11065 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11066 * configure: Regenerate.
11067 * doc/install.texi (--enable-tls): Document new option.
11068 (--disable-tls): Ditto.
11070 2006-01-24 Richard Henderson <rth@redehat.com>
11072 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11073 * alias.c (true_dependence): Respect it.
11074 (canon_true_dependence, write_dependence_p): Likewise.
11075 * builtins.c (get_builtin_sync_mem): Set it.
11077 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11079 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11082 2006-01-24 DJ Delorie <dj@redhat.com>
11084 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11085 for storing constants in single-bit bitfields.
11087 2006-01-25 Ben Elliston <bje@au.ibm.com>
11089 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11091 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11094 * tree-ssa-pre.c (phi_translate): Return NULL
11095 for AGGREGATE_TYPE's.
11097 2006-01-24 Zack Weinberg <zackw@panix.com>
11099 * genautomata.c (process_state_for_insn_equiv_partition):
11100 Use xcalloc for insn_arcs_array.
11101 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11102 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11104 2006-01-24 Richard Henderson <rth@redhat.com>
11106 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11107 update all callers.
11109 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11111 PR rtl-optimization/25890
11112 PR rtl-optimization/25905
11113 * combine.c (expand_compound_operation, expand_field_assignment):
11114 Fail if the bitfield's final position is out of bounds.
11116 2006-01-24 Ian Lance Taylor <ian@airs.com>
11118 PR middle-end/25930
11119 * cgraphunit.c (cgraph_output_in_order): Don't clear
11120 cgraph_asm_nodes until after asm strings have been output.
11122 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11124 * fix-header.c (read_scan_file): Add new parameter imultilib when
11125 calling register_include_chains.
11127 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11129 * omp-low.c: Update documentation.
11131 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11132 Daniel Berlin <dberlin@dberlin.org>
11136 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11137 return from the function.
11139 2006-01-22 Zack Weinberg <zackw@panix.com>
11141 * rtl.def (match_code): Add second argument.
11142 * genpreds.c (write_extract_subexp): New function.
11143 (write_match_code): Add path argument. Use write_extract_subexp.
11144 (write_predicate_expr): Pass path to write_match_code.
11145 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11146 not perform a mode test.
11147 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11148 a subexpression does not constrain the top-level code set.
11149 * read-rtl.c (read_rtx_variadic): New function.
11150 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11151 * doc/md.texi: Document new notation.
11152 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11153 (cmpsi_operand): ... here, using new notation.
11155 2006-01-22 Zack Weinberg <zackw@panix.com>
11157 * varray.c: Remove GENERATOR_FILE #ifdefs.
11159 2006-01-22 Zack Weinberg <zackw@panix.com>
11161 * genautomata.c (output_reserved_units_table): Emit nothing if
11162 description->query_units_num is zero. Remove extra blank line.
11163 (output_cpu_unit_reservation_p): Short circuit
11164 if description->query_units_num is zero.
11166 2006-01-22 Zack Weinberg <zackw@panix.com>
11168 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11169 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11170 nor any of the random handful of variables that used to be necessary
11171 when this program was linked with rtlanal.o. Prune set of forward
11172 function declarations.
11173 (struct attr_desc): Remove static_p field.
11174 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11175 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11176 (attr_string): Do not read the character one past the length of
11178 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11179 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11180 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11181 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11182 (make_automaton_attrs): New.
11183 (main): Do not call into genautomata. Call local gen_bypass
11184 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11185 Remove special case for insn_alts.
11186 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11187 varray.h (leftover from previous change). Prune set of forward
11188 function declarations. Remove state_alts fields from all
11189 structures. Remove state_alts_table from struct automaton.
11190 Make everything except main static. Do not maintain num_dfa_decls.
11191 Do not maintain state_alts fields of various structures.
11192 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11193 (add_arc): Remove state_alts argument. All callers updated.
11194 (output_reserved_units_table): Emit #ifdef here...
11195 (output_tables): ...not here. Don't generate state_alts tables.
11196 (expand_automata): Don't generate attributes.
11197 (write_automata): Don't generate state_alts functions.
11198 (main): New function.
11199 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11200 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11201 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11202 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11203 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11204 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11205 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11206 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11208 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11209 * genattrtab.h: Delete file.
11210 * Makefile.in (OBJS-common): Add insn-automata.o.
11211 (insn-automata.o): New rule.
11212 (simple_generated_c): Add insn-automata.c.
11213 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11214 (genprogmd): Add automata.
11215 (build/genattrtab): Needs no extra objects nor libraries.
11216 (build/genautomata): Needs build/vec.o and -lm.
11218 2006-01-22 Zack Weinberg <zackw@panix.com>
11220 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11221 (output_dfa_max_issue_rate, locked_states_num): Delete.
11222 (struct automaton): Add locked_states field.
11223 (output_dead_lock_vect): Save number of locked states in
11224 automaton->locked_states. If it is zero, don't print anything.
11225 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11226 (output_internal_dead_lock_func): Only test the dead_lock_vect
11227 for automata that have locked states.
11228 (output_statistics): Always print the number of locked states for
11229 each automaton. Calculate total number of locked states here.
11230 (write_automata): Don't call output_dfa_max_issue_rate.
11231 * genattrtab.c: Define length_unit_log as a const variable.
11232 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11233 max_insn_queue_index const.
11234 * final.c (length_unit_log): Declare const.
11235 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11237 2006-01-22 Zack Weinberg <zackw@panix.com>
11239 * genautomata.c: Include vec.h, not varray.h.
11240 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11241 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11242 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11243 VEC_* macros operating on appropriately typed vectors, or to
11244 malloced arrays when the size is known in advance. Const-ify
11245 many char* variables and function arguments. No functional changes.
11246 * Makefile.in (build/varray.o): Delete rule.
11247 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11248 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11250 2006-01-22 Zack Weinberg <zackw@panix.com>
11252 * gensupport.c: Define get_insn_name and record_insn_name here.
11253 (read_md_rtx): Call record_insn_name as appropriate.
11254 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11255 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11256 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11258 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11259 (BUILD_VARRAY): Delete.
11260 (genprognormal): Rename genprogmd. Fold in all programs from
11261 genprognoprint; also attrtab.
11262 (build/genattrtab): Just mention genautomata.o and varray.o.
11263 Reorganize a bit, add comments to make the categories clearer.
11265 2006-01-22 Zack Weinberg <zackw@panix.com>
11267 * genconditions.c (condition_table, add_condition): Delete.
11268 (write_conditions): Don't emit n_insn_conditions nor
11269 insn_elision_unavailable. Issue the gcc version #ifdef here,
11270 inside the table, with no #else clause ...
11271 (write_header): ...not here.
11272 (write_writer): New function.
11273 (main): Don't initialize condition_table. Use add_c_test.
11275 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11276 files on the command line.
11277 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11278 Return -1 if there is no entry in the table, don't abort.
11279 (add_c_test, traverse_c_tests): New functions.
11280 * gensupport.h (insn_elision_unavailable, insn_conditions)
11281 (n_insn_conditions): Delete declarations.
11282 (add_c_test, traverse_c_tests): Declare.
11283 * read-rtl.c: Include gensupport.h.
11284 (read_conditions): New function.
11285 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11286 (read_rtx_1): If we get EOF when we were looking for an initial
11287 open paren, return 0. Call read_conditions when appropriate.
11288 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11289 dummy-conditions.o. Eliminate references to insn-conditions.o,
11290 or change them to build/gencondmd.o, as appropriate. Remove
11291 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11292 from $(simple_generated_c). For all files remaining in those
11293 two lists, add insn-conditions.md to the generator command line.
11294 Give insn-constants.h/s-constants their own rules. Add rules
11295 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11296 (build/read-rtl.o): Depend on gensupport.h.
11297 (genprognormal): Include preds.
11298 (genprogearly): Rename genprognoprint; only difference is now that
11299 they don't link with $(BUILD_PRINT).
11300 * dummy-conditions.c: Delete.
11302 2006-01-22 Zack Weinberg <zackw@panix.com>
11304 * genextract.c: Don't include insn-config.h. Do include vec.h.
11305 Declare vectors of int, char, and locstr.
11306 (locstr): New typedef.
11307 (struct extraction): Make all array fields into bare pointers.
11308 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11309 (insn_code_number): Delete.
11310 (accum_extract): New struct.
11311 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11312 (gen_insn): Take insn_code_number as an argument. Use an
11313 accum_extract structure instead of loading data directly into
11314 a struct extraction, and having to know how big it might get.
11315 (walk_rtx): Operate entirely on an accum_extract structure.
11316 (print_path): Avoid unnecessary use of printf.
11317 (print_header): New function, split out of main. Distinguish
11318 more carefully between an unrecognizable insn and an insn that
11319 has the code number of a define_expand.
11320 (main): Pass insn_code_number to gen_insn. Call print_header
11321 only after parsing. Avoid unnecessary use of printf.
11322 * Makefile.in (build/vec.o): New rule.
11323 (build/genextract): Depend on build/vec.o.
11324 (build/genextract.o): Don't depend on insn-config.h.
11326 2006-01-22 Zack Weinberg <zackw@panix.com>
11328 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11329 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11330 practical. Eliminate per-generator-program link rules.
11332 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11334 PR middle-end/24437
11335 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11336 with a call expr to ...
11337 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11339 2006-01-23 Richard Guenther <rguenther@suse.de>
11341 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11342 before make_edge with conditional EDGE_TRUE_VALUE.
11344 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11345 Jan Hubicka <jh@suse.cz>
11346 Richard Guenther <rguenther@suse.de>
11348 PR rtl-optimization/25654
11349 * cfgexpand.c (aggregate_contains_union_type): New function.
11350 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11351 for structure variables that contain a union type.
11353 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11355 * gengtype.c (new_structure): Return the structure.
11356 (create_option): Add an extra "next" argument.
11357 (create_field): New function.
11358 (adjust_field_rtx_def): Use create_option and create_field.
11359 Remove a now-unnecessary call to find_structure.
11360 (adjust_field_tree_def): Likewise.
11361 (note_yacc_type): Remove an unnecessary call to find_structure.
11362 * gengtype.h (new_structure): Return the structure.
11363 (create_option): Add an extra argument.
11364 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11365 (option): Adjust calls to create_option.
11367 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11369 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11371 2006-01-22 Paul Brook <paul@codesourcery.com>
11372 Peter Barada <peter@the-baradas.com>
11374 * config/m68k/m68k.md: Add Coldfire FPU support.
11375 Define FP mode macro and associated attributes.
11376 Use it for float mode patterns.
11377 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11378 (LIBCALL_VALUE): Use m68k_libcall_value.
11379 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11380 (m68k_function_value): Ditto.
11381 (emit_move_sequence): Ditto.
11382 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11383 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11384 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11385 (MULTILIB_EXCEPTIONS): Ditto.
11386 * config/m68k/m68k.opt: Add mcfv4e.
11387 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11388 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11389 (m68k_output_function_prologue): Save ColdFire FPU registers.
11390 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11391 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11392 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11393 ColdFire FPU registers.
11394 (m68k_libcall_value, m68k_function_value): New functions.
11395 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11396 (LIBCALL_VALUE): Use m68k_libcall_value.
11397 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11398 (MASK_COLDFIRE): Add MASK_CFV4E.
11399 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11400 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11401 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11402 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11403 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11404 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11405 * doc/invoke.tex: Document -mcfv4e on m68k.
11407 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11409 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11412 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11415 * c-opts.c (c_common_handle_option): Don't include
11416 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11417 * doc/invoke.texi (C++ Dialect Options): Document that
11418 -Wnon-virtual-dtor is no longer included in -Wall.
11420 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11422 * gcov.c (print_version), gcov-dump.c (print_version),
11423 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11426 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11428 * df-scan.c (problem_SCAN): Added NULL reset function.
11429 (df_scan_reset_blocks): Added code to call reset block function
11430 (df_bb_refs_delete) Fixed comment.
11431 (df_insn_refs_delete): Made tolerant of deleting non existent info
11432 for dataflow problems that need to be reset.
11433 * df-core.c (df_set_blocks): Ditto.
11434 * df.h (struct df_problem): Added reset_fun.
11435 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11436 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11437 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11438 functions to clear out all references to def-use or use-def chains.
11440 2006-01-21 Ben Elliston <bje@au.ibm.com>
11442 * varasm.c (assemble_real): Initialise data array.
11444 2006-01-20 Paul Brook <paul@codesourcery.com>
11446 Merge from csl-arm-branch.
11447 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11448 * config/arm/arm.md (movdi): Force operands[1] to a register
11449 if we have a non-register source.
11450 (*arm_movdi, *movdf_soft_insn): Require that one of the
11451 operands be a register.
11452 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11453 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11455 2006-01-20 DJ Delorie <dj@redhat.com>
11457 * varasm.c (initializer_constant_valid_p): Allow pointers
11458 initialized from integer constants of lesser precision.
11459 (output_constant): Allow non-int-sized pointer modes to be
11460 initialized from integer constants.
11462 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11465 * cppdefault.h (struct default_include): Add multilib flag.
11466 * cppdefault.c (cpp_include_defaults): Set it.
11467 * c.opt (-imultilib): New option.
11468 * c-opts.c (imultilib): New.
11469 (c_common_handle_option): Handle -imultilib.
11470 (c_common_post_options): Likewise.
11471 * c-incpath.c (add_standard_paths, register_include_chains):
11473 * c-incpath.h (register_include_chains): Add extra parameter.
11474 * gcc.c (do_spec_1): Generate -imultilib option.
11475 (The Specs Language): Update %I description.
11476 (process_command): Update copyright notice.
11477 * doc/cppopts.texi (-imultilib): Document.
11478 * doc/invoke.texi (-imultilib): Include in option summary.
11479 (%I): Update specs documentation.
11481 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11483 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11485 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11487 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11490 2006-01-20 Richard Guenther <rguenther@suse.de>
11491 Steven Bosscher <stevenb.gcc@gmail.com>
11493 PR rtl-optimization/24626
11494 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11495 EDGE_TRUE_VALUE if in RTL mode.
11498 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11499 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11501 2006-01-20 Dirk Mueller <dmueller@suse.com>
11504 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11505 instead of a special NOP marker.
11506 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11507 NOP marker handling.
11508 * c-common.h (empty_body_warning): Add forward declaration.
11509 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11510 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11512 2006-01-20 Paul Brook <paul@codesourcery.com>
11514 * Makefile.in (lang_checks): Keep going if mkdir fails.
11516 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11518 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11519 be able to clean out basic block when not necessary.
11520 (df_scan_free): Fixed to properly delete information if df is
11521 unused before calling df_finish.
11522 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11523 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11525 (df_bb_refs_delete): New function.
11526 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11527 * df-core.c (df_set_blocks): Added code to properly clean out
11528 unused blocks if they are not part of the blocks to consider.
11529 Added additional null check.
11530 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11531 be able to clean out basic block when not necessary
11532 * df.h (df_free_bb_function): Ditto.
11533 (df_bb_refs_delete): New function.
11534 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11535 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11536 basic block parameter to be able to clean out basic block when not
11538 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11539 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11540 Fixed to properly delete information if df is unused before
11543 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11545 PR rtl-optimization/25799
11546 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11547 Corrected confluence operator to remove bits from op2 before oring
11548 with op1 rather than removing bits from op1.
11549 (df_ru_transfer_function): Corrected test on wrong bitmap which
11550 caused infinite loop. Both of these problems were introduced in
11551 the dataflow rewrite.
11553 2006-01-19 DJ Delorie <dj@redhat.com>
11555 * reload1.c (find_reload_regs): Note the details of reload
11556 failures in the dump file.
11557 (spill_failure): Likewise.
11559 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11561 * loop-iv.c: Include df.h and hashtab.h.
11562 (enum iv_grd_result): New enum.
11563 (DF_REF_IV, DF_REF_IV_SET): New macros.
11564 (struct biv_entry): New.
11565 (df, bivs): New global variables.
11566 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11567 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11569 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11570 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11571 analyzed_for_bivness_p, record_biv): New functions.
11572 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11573 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11574 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11576 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11578 (iv_number_of_iterations): Use new interface to iv analysis.
11579 * loop-unroll.c: Do not include varray.h.
11580 (analyze_iv_to_split_insn): Use new interface to iv
11582 * loop-unswitch.c (may_unswitch_on): Ditto.
11583 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11585 (df_bb_modify): Realloc tables to the new index.
11586 (df_find_use): New function.
11587 * df.h (df_find_use): Declare.
11588 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11590 * cfgloop.h (struct rtx_iv): Remove analysed field.
11591 (iv_get_reaching_def): Removed.
11592 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11593 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11594 (loop-iv.o): Add df.h and hashtab.h dependency.
11595 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11597 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11600 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11602 (__floatundisf, __floatundidf): Likewise.
11603 * libgcc2.h (IS_IBM_EXTENDED): Define.
11605 2006-01-19 DJ Delorie <dj@redhat.com>
11607 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11609 2006-01-19 Paul Brook <paul@codesourcery.com>
11611 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11612 as nothrow when unwinding tables are disabled.
11614 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11617 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11618 of bit-field" when in system header.
11620 2006-01-19 DJ Delorie <dj@redhat.com>
11622 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11623 the 16 bit shift limit of the m16c.
11625 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11628 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11629 * config/i386/i386.c (output_set_got): Output the label if we have one
11630 for the TARGET_DEEP_BRANCH_PREDICTION case.
11632 2006-01-19 Jan Hubicka <jh@suse.cz>
11633 H.J. Lu <hongjiu.lu@intel.com>
11634 Evandro Menezes <evandro.menezes@amd.com>
11636 * invoke.texi (generic): Document
11638 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11639 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11640 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11641 (x86_use_incdec, x86_pad_returns): New variables
11642 (TARGET_CPU_DEFAULT_generic): New constant
11643 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11644 (enum processor_type): Add generic32 and generic64.
11645 * i386.md (cpu attribute): Add generic32/generic64
11646 (movhi splitter): Behave sanely when both partial_reg_dependency and
11647 partial_reg_stall are set.
11648 (K8 splitters): Enable for generic as well.
11649 * predicates.md (incdec_operand): Use TARGET_INCDEC
11650 (aligned_operand): Avoid memory mismatch stalls.
11651 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11652 * ppro.md: Enable for generic32
11653 * i386.c (generic64_cost, generic32_cost): New.
11654 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11655 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11656 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11657 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11658 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11659 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11660 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11661 x86_accumulate_outgoing_args, x86_prologue_using_move,
11662 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11663 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11664 Enable for generic.
11665 (x86_use_incdec, x86_pad_returns): New.
11666 (override_options): Add generic32 and generic64, translate "generic"
11667 to generic32/generic64 and "i686" to "generic32", refuse
11668 "generic32"/"generic64" as arch target.
11669 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11670 (ix86_reorg): Honor PAD_RETURNS.
11672 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11674 * tree-pretty-print.c (dump_generic_node): Handle
11675 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11676 * cgraph.c (cgraph_expand_queue): Rename from
11677 cgraph_analyze_queue. Update all users.
11678 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11679 cgraph_expand_queue.
11680 (cgraph_expand_all_functions): Likewise.
11681 (cgraph_finalize_pending_functions): Remove. Update callers.
11683 * tree.h (OMP_DIRECTIVE_P): Define.
11684 (OMP_PARALLEL_FN): Define.
11685 (OMP_PARALLEL_DATA_ARG): Define.
11686 (OMP_SECTIONS_SECTIONS): Define.
11687 * tree-pass.h (pass_expand_omp): Declare.
11688 * omp-low.c (struct omp_region): Declare.
11689 (struct omp_context): Remove fields 'parallel_type',
11690 'parallel_start_ix' and 'parallel_start_additional_args'.
11692 (struct omp_for_data): Rename from struct expand_omp_for_data.
11693 (omp_regions): New static variable.
11694 (root_omp_region): New static variable.
11695 (find_omp_clause): Make static.
11696 (is_in_combined_parallel_ctx): Remove.
11697 (is_combined_parallel): New.
11698 (extract_omp_for_data): Move earlier in the file.
11699 (workshare_safe_to_combine_p): New.
11700 (get_ws_args_for): New.
11701 (determine_parallel_type): Move earlier in the file.
11702 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11704 (omp_copy_decl): Likewise.
11705 (create_omp_child_function): Likewise.
11706 (lookup_omp_region): New.
11707 (dump_omp_region): New.
11708 (debug_omp_region): New.
11709 (debug_all_omp_regions): New.
11710 (new_omp_region): New.
11711 (scan_omp_parallel): If parallel_nesting_level > 1, the
11712 directive is nested within another parallel directive.
11713 Set OMP_PARALLEL_FN.
11714 (scan_omp_for): Do not try to handle combined parallel+for
11716 Remove FIXME comment.
11717 (scan_omp_nested): Remove.
11718 (scan_omp_1): Do not call scan_omp_nested when
11719 parallel_nesting_level is > 1.
11720 Do not change the DECL_CONTEXT of local variables found.
11721 (lookup_decl_in_outer_ctx): New.
11722 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11723 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11724 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11725 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11726 If CTX is nested, lookup VAR in the outer context when
11727 building copy assignment.
11728 (lower_send_clauses): Rename from expand_send_clauses.
11729 If CTX is nested, lookup VAR in the outer context when
11730 building copy assignments.
11731 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11732 If CTX is nested, lookup VAR in the outer context when
11733 building copy assignments.
11734 (expand_parallel_call): Rename from build_parallel_call.
11735 Handle combined parallel+workshare cases.
11736 Re-implement to emit code into the CFG.
11738 (expand_omp_parallel): Re-implement to emit code into the CFG.
11739 Call move_sese_region_to_fn to outline the sub-graph
11740 containing the parallel region.
11741 (expand_omp_for_1): Remove.
11742 (expand_omp_for_generic): Re-implement to emit code into the
11744 (expand_omp_for_static_nochunk): Likewise.
11745 (expand_omp_for_static_chunk): Likewise.
11746 (expand_omp_for): Likewise.
11747 (expand_omp_sections): Likewise.
11748 (remove_exit_barriers): New.
11749 (expand_omp_synch): New.
11751 (build_omp_regions_1): New.
11752 (build_omp_regions): New.
11753 (execute_expand_omp): New.
11754 (gate_expand_omp): New.
11755 (pass_expand_omp): Define.
11756 (lower_omp_sections): Rename from expand_omp_sections.
11757 Set OMP_SECTIONS_SECTIONS.
11758 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11759 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11760 (lower_omp_single): Rename from expand_omp_simple.
11761 (lower_omp_master): Rename from expand_omp_master.
11762 (lower_omp_ordered): Rename from expand_omp_ordered.
11763 (lower_omp_critical): Rename from expand_omp_critical.
11764 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11765 (lower_omp_for): Re-implement.
11766 (lower_omp_parallel): Re-implement.
11767 (lower_regimplify): Rename from expand_regimplify.
11768 (lower_omp_1): Rename from expand_omp_1.
11769 If there are syntax errors in the program, replace every
11770 OpenMP directive with NOP.
11771 Call lower_omp_* instead of expand_omp_*.
11772 (lower_omp): Rename from expand_omp.
11774 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11775 * tree-gimple.h (enum omp_parallel_type): Remove.
11776 (gimple_boolify): Declare extern.
11777 (find_omp_clause, determine_parallel_type): Remove.
11779 * gimple-low.c (lower_omp_directive): New.
11780 (lower_stmt): Call it.
11781 (record_vars_into): Move from ...
11782 (record_vars): ... here.
11783 Call record_vars_into with current_function_decl.
11785 * gimplify.c (struct gimplify_ctx): Remove fields
11786 combined_pre_p and combined_ctxp. Update users.
11787 (get_formal_tmp_var): Add documentation.
11788 (gimple_boolify): Make extern.
11789 (gimplify_expr_in_ctx): Remove. Update callers.
11790 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11791 will always be a BIND_EXPR.
11792 (gimplify_expr): Handle OMP_RETURN_EXPR.
11793 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11794 (OMP_PARALLEL): Add 3 operands.
11795 (OMP_SECTIONS): Add 1 operand.
11796 (OMP_RETURN_EXPR): Define.
11798 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11799 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11800 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11801 creating a circular free list.
11802 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11804 * tree-flow.h (move_sese_region_to_fn): Declare.
11805 (record_vars_into): Declare.
11806 * tree-cfg.c (make_omp_sections_edges): New.
11807 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11808 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11809 OMP_SECTIONS and OMP_SECTION.
11810 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11811 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11812 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11813 (gather_blocks_in_sese_region): New.
11814 (struct move_stmt_d): Declare.
11815 (move_stmt_r): New.
11816 (move_block_to_fn): New.
11817 (move_sese_region_to_fn): New.
11819 * passes.c (init_optimization_passes): Schedule
11820 pass_expand_omp after pass_init_datastructures.
11822 * tree-ssa-operands.c (get_expr_operands): Handle
11823 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11824 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11826 2006-01-19 Jeff Law <law@redhat.com>
11828 * tree-vrp.c (extract_range_from_assert): Refine the result range
11829 if the variable referenced by the ASSERT_EXPR has a range and
11830 either the tentative result range or the previous range is a
11833 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11835 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11837 2006-01-19 Jan Hubicka <jh@suse.cz>
11839 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11841 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11843 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11844 (expand_compound_operation, expand_field_assignment): Fail if the
11845 bit lengths of an extract operation are out of range.
11846 (make_extraction): Compute wanted_inner_mode based on the position
11847 and length of the extraction. Make it extraction_mode for non-constant
11848 positions, and do not modify offset in that case. When generating a
11849 new MEM, use a mode that can hold the extraction while keeping correct
11850 alignment. Remove code that supported MEMs wrapped by USEs.
11851 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11853 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11855 * config/s390/s390.md ("Y", "y"): New mode attribute.
11856 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11857 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11858 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11859 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11860 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11861 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11862 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11863 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11864 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11865 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11866 "addsi3", "subsi3"): Insn patterns removed.
11867 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11868 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11869 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11870 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11871 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11872 "*sub<mode>3_cconly2"): New insn patterns.
11873 ("addsi3", "subsi3"): New expanders.
11875 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11877 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11878 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11879 existing STMT_VINFO_VECTYPE if available.
11880 (vect_mark_relevant): Add special handling for stmts that are
11881 marked as STMT_VINFO_IN_PATTERN_P.
11882 (vect_analyze_loop): Call vect_pattern_recog.
11883 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11884 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11886 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11887 (vect_recog_func_ptr): New function-pointer type.
11888 * tree-vect-patterns.c: New file.
11889 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11890 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11891 (vect_pattern_recog_1): New functions.
11892 (vect_pattern_recog_funcs): New array of function pointers.
11894 * tree-vectorizer.h (ternary_op): New enum value.
11895 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11896 declaration. Revised documentation. Removed redundant dump prints.
11897 Removed redundant argument. Added support for reduction patterns.
11898 (vectorizable_reduction): Added support for reduction patterns.
11899 (vect_transform_stmt): Added support for patterns.
11901 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11902 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11903 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11904 (expand_widen_pattern_expr): New function.
11905 (init_optabs): Initialize new optabs udot_prod_optab,
11907 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11908 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11909 (expand_widen_pattern_expr): New function declaration.
11910 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11912 * tree-inline.c (estimate_num_insns_1): Added cases for new
11913 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11914 * tree-pretty-print.c (dump_generic_node): Likewise.
11915 (op_prio): Likewise.
11916 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11917 * tree-ssa-operands.c (get_expr_operands): Added case for
11919 * tree-vect-patterns.c (widened_name_p): New function.
11920 (vect_recog_dot_prod_pattern): Added function implementation.
11921 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11922 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11923 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11924 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11926 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11927 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11928 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11929 (init_optabs): Initialize new optabs widen_ssum_optab,
11931 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11932 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11933 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11934 use instead of type of def.
11935 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11936 function implementation.
11937 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11938 widen_ssumv8hi): New.
11940 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11943 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11946 * c-decl.c (add_flexible_array_elts_to_size): New function.
11947 (finish_decl): Use it.
11949 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11951 * diagnostic.h: Include options.h.
11952 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11953 dependancies for diagnostic.h.
11954 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11956 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11958 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11959 (ssa_ro_call_cache_valid): Ditto.
11960 * tree-ssa-alias.c (sort_tags_by_id): New function.
11961 (init_transitive_clobber_worklist): Ditto.
11962 (add_to_worklist): Ditto.
11963 (mark_aliases_call_clobbered): Ditto.
11964 (compute_tag_properties): Ditto.
11965 (set_initial_properties): Ditto.
11966 (compute_call_clobbered): Ditto.
11967 (compute_may_aliases): Call compute_call_clobbered and grouping.
11968 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11969 (compute_flow_insensitive_aliasing): Grouping now happens in our
11971 (setup_pointers_and_addressables): Remove clobbering related code.
11972 (add_may_alias): Ditto.
11973 (replace_may_alias): Ditto.
11974 (get_nmt_for): Ditto.
11975 (create_global_var):
11976 (is_escape_site): Return an escape_type enumeration.
11977 * tree-flow-inline.h (is_call_clobbered): Global var does not
11978 imply call clobbered.
11979 (mark_call_clobbered): Take a reason for marking this. Remove
11980 marking of globalness, and cache invalidation.
11981 (clear_call_clobbered): Remove cache invalidation code.
11982 * tree-dfa.c (dump_variable): If details is on, dump the reason
11984 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11986 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11987 (struct var_ann_d): Ditto.
11988 (enum escape_type): New.
11989 (mark_call_clobbered): Adjust prototype.
11990 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11991 are never call clobbered.
11992 Record reasons for escaping.
11993 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11994 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11995 (ssa_ro_call_cache_valid): Ditto.
11996 (clobbered_v_may_defs): Ditto.
11997 (clobbered_vuses): Ditto.
11998 (ro_call_vuses): Ditto.
11999 (clobber_stats): New.
12000 (init_ssa_operands): Zero out clobber stats.
12001 (fini_ssa_operands): Print out clobber stats.
12002 (get_call_expr_operands): Pass callee fndecl to
12003 add_call_read_ops).
12004 (add_call_clobber_ops): Remove use of cache.
12005 Add use of PURE_CONST information.
12006 (add_call_read_ops): Remove use of cache.
12007 Add use of static not_read information.
12009 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12011 Introduce TLS descriptors for i386 and x86_64.
12012 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12013 (TARGET_ANY_GNU_TLS): New macro.
12014 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12015 (struct machine_function): Add tls_descriptor_call_expanded_p.
12016 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12017 (ix86_current_function_calls_tls_descriptor): Likewise.
12018 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12019 (override_options): Introduce gnu2 tls dialect.
12020 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12022 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12024 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12025 (ix86_init_machine_status): Initialize new field.
12026 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12027 (ix86_tls_module_base): New.
12028 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12029 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12030 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12031 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12032 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12033 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12034 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12035 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12036 * config/i386/predicates.md (tls_modbase_operand): New.
12037 (tp_or_register_operand): New.
12039 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12041 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12042 (look_for_address_of): Ditto.
12043 (ipa_init): Walk the function decls.
12044 (static_execute): Don't set readonly on FUNCTION_DECL's.
12046 2006-01-18 Roger Sayle <roger@eyesopen.com>
12048 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12049 for shifts where the source and destination registers are different.
12051 2006-01-18 Paul Brook <paul@codesourcery.com>
12053 Merge from csl-arm-branch.
12054 2005-03-14 Julian Brown <julian@codesourcery.com>
12055 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12056 (aeabi_llsl): Likewise.
12057 (ashrdi3): Likewise.
12058 (aeabi_lasr): Likewise.
12059 (lshrdi3): Likewise.
12060 (aeabi_llsr): Likewise.
12061 2005-03-10 Julian Brown <julian@codesourcery.com>
12062 * config.gcc: Disable shared libgcc for SymbianOS.
12063 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12065 2006-01-18 DJ Delorie <dj@redhat.com>
12067 * c-pragma.c (handle_pragma_diagnostic): New.
12068 (init_pragma): Register it.
12069 * doc/extend.texi: Document it.
12071 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12072 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12073 (diagnostic_context): Add classify_diagnostic[].
12074 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12075 as errors if they're overridden to DK_WARNING.
12076 (diagnostic_initialize): Initialize classify_diagnostic[].
12077 (diagnostic_set_kind_override): New.
12078 (diagnostic_report_diagnostic): Check for kind changes.
12079 * opts.c (common_handle_option): Take lang_mask. Update callers.
12080 Handle OPT_Werror_.
12081 * common.opt (Werror=): New.
12082 * doc/invoke.texi: Document -Werror=*
12084 2006-01-18 Jeff Law <law@redhat.com>
12086 * tree-vrp.c (test_for_singularity): Correct test for new
12087 min limit. Use operand_equal_p rather than pointer equality
12088 for testing if new min/max values are equal.
12090 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12091 using range information until after propagation and folding.
12093 2006-01-18 Richard Henderson <rth@redhat.com>
12094 Aldy Hernandez <aldyh@redhat.com>
12095 Jakub Jelinek <jakub@redhat.com>
12096 Diego Novillo <dnovillo@redhat.com>
12098 * omp-low.c: New file.
12099 * c-omp.c: New file.
12101 2006-01-18 Richard Henderson <rth@redhat.com>
12102 Jakub Jelinek <jakub@redhat.com>
12103 Diego Novillo <dnovillo@redhat.com>
12105 * doc/invoke.texi: Document -fopenmp.
12106 * tree-dump.h (debug_function): Declare.
12107 * hooks.c (hook_bool_tree_bool_false): New function.
12108 (hook_tree_tree_null): Remove.
12109 (hook_tree_tree_tree_null): New.
12110 * hooks.h: Update to match.
12111 * tree-pretty-print.c (debug_tree_chain): New.
12112 (print_generic_expr): Handle TDF_CHAIN.
12113 (dump_generic_node): Handle BLOCK.
12114 Do not abort with incomplete SWITCH_EXPRs.
12115 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12116 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12117 print space after directive name.
12118 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12119 Handle OMP_MASTER and OMP_ORDERED.
12120 Handle printing of OMP_BODY just in one place, goto
12121 dump_omp_body in the rest of OMP_* nodes that have
12123 Don't handle clause nodes here. Update omp statements to
12124 use dump_omp_clauses.
12125 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12126 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12127 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12128 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12129 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12130 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12131 Adjust output for GOMP_PARALLEL.
12132 (dump_omp_clauses): New.
12133 (print_declaration): Dump DECL_VALUE_EXPR.
12134 (op_symbol_1): Split out of op_symbol.
12135 (dumping_stmts): Remove. Update all users.
12136 * cgraph.c (cgraph_analyze_queue): New.
12137 (cgraph_add_new_function): New.
12138 * cgraph.h (cgraph_analyze_queue): Declare.
12139 (cgraph_add_new_function): Declare.
12140 (cgraph_lower_function): Remove.
12141 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12142 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12143 and TYPE_P nodes in its default clause.
12144 (empty_body_p): New.
12145 (tree_range_check_failed): New.
12146 (build5_stat): New.
12147 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12148 OMP_CLAUSE_REDUCTION_MERGE,
12149 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12150 OMP_CLAUSE_PRIVATE_DEBUG,
12151 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12152 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12153 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12154 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12155 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12156 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12157 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12158 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12159 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12160 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12161 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12162 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12163 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12164 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12165 (TREE_RANGE_CHECK): New.
12166 (empty_body_p): Declare.
12167 (enum omp_clause_default_kind): New.
12168 (build_string_literal): Declare.
12169 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12170 (build5_stat, build5): Declare.
12171 * tree-pass.h (TDF_CHAIN): Define.
12172 * tree-pass.h (PROP_gimple_lomp): Define.
12173 (pass_lower_omp): Declare.
12174 * diagnostic.h (debug_tree_chain): Declare.
12175 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12177 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12178 * builtins.c (build_string_literal): Make extern.
12179 * gcc.c (include_spec_function): New.
12180 (static_spec_functions): Add it.
12181 (main): Move load of libgomp.spec ...
12182 (LINK_COMMAND_SPEC): ... here.
12183 (link_gomp_spec): New.
12184 (static_specs): Include it.
12185 (LINK_COMMAND_SPEC): Add link_gomp.
12186 (GOMP_SELF_SPECS): New.
12187 (driver_self_specs): Include it.
12188 (switch_matches): Don't mark inline.
12189 (main): Load libgomp.spec.
12190 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12191 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12192 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12193 * tree-gimple.h (enum omp_parallel): Declare.
12194 (determine_parallel_type): Declare.
12195 (omp_firstprivatize_variable): Declare.
12196 (omp_reduction_init): Declare.
12197 (diagnose_omp_structured_block_errors): Declare.
12198 (struct walk_stmt_info): Add want_return_expr.
12199 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12200 (find_omp_clause): Declare.
12201 (insert_field_into_struct): Declare.
12202 (struct walk_stmt_info): Move from tree-nested.c
12203 (walk_stmts): Declare.
12204 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12206 * cgraphunit.c (cgraph_lower_function): Make static.
12207 (cgraph_finalize_pending_functions): New.
12208 (cgraph_finalize_function): Call it.
12209 (cgraph_finalize_compilation_unit): Likewise.
12210 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12211 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12212 (BT_FN_UINT_UINT): New.
12213 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12214 DEF_FUNCTION_TYPE_VAR_4): Document.
12215 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12216 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12217 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12218 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12219 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12220 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12221 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12222 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12223 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12224 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12225 into separate files.
12226 (DEF_GOMP_BUILTIN): New.
12227 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12228 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12229 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12230 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12231 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12232 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12233 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12234 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12235 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12236 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12237 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12238 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12239 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12240 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12241 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12242 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12243 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12244 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12245 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12246 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12247 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12248 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12249 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12250 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12251 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12252 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12253 * sync-builtins.def: New file, moved from builtins.def.
12254 * omp-builtins.def: New file, moved from builtins.def.
12255 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12256 * gimple-low.c (lower_function_body): Clear data.
12257 (lower_stmt): Do not handle COMPOUND_EXPR.
12258 Remove call to print_node_brief.
12259 * c-tree.h (c_finish_omp_clauses): New prototype.
12260 (C_DECL_THREADPRIVATE_P): Define.
12261 (lookup_name_no_remap, c_omp_remap_private): Remove
12262 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12263 (check_for_loop_decls): Update decl.
12264 (lookup_name_no_remap, c_omp_remap_private): Declare.
12265 (build_indirect_ref, build_modify_expr, pushdecl,
12266 pushdecl_top_level): Move to c-common.h.
12267 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12268 before the switch, but just in the 2 places that need it.
12269 * c-decl.c (diagnose_mismatched_decls): Do not check for
12270 mismatched thread-local attributes when OLDDECL is marked
12271 threadprivate and NEWDECL has no thread-local attributes.
12272 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12273 (c_gimple_diagnostics_recursively): Rename from
12274 c_warn_unused_result_recursively. Invoke
12275 diagnose_omp_structured_block_errors.
12276 (check_for_loop_decls): Return a singular decl found.
12277 * langhooks.c (lhd_omp_predetermined_sharing): Return
12278 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12279 (lhd_omp_firstprivatize_type_sizes): New.
12280 (lhd_omp_assignment): New.
12281 (lhd_omp_predetermined_sharing): New.
12282 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12283 (struct lang_hooks_for_types): Add
12284 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12285 omp_predetermined_sharing, omp_disregard_value_expr,
12286 omp_private_debug_clause, omp_clause_default_ctor,
12287 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12288 (c_finish_omp_clauses): New.
12289 (c_finish_bc_stmt): Diagnose break within omp for.
12290 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12291 (build_unary_op): Return error_mark after reporting
12293 (build_modify_expr): Likewise.
12294 * gimplify.c: Include optabs.h and pointer-set.h.
12295 (enum gimplify_omp_var_data): Declare.
12296 (struct gimplify_omp_ctx): Declare.
12297 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12299 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12300 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12301 (splay_tree_compare_decl_uid): New.
12302 (new_omp_context): New.
12303 (delete_omp_context): New.
12304 (gimple_add_tmp_var): Call omp_add_variable.
12305 (gimplify_bind_expr): Likewise.
12306 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12307 true, disregard DECL_VALUE_EXPR on the decl if any.
12308 (gimplify_expr_in_ctx): New.
12309 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12310 omp_add_variable, omp_notice_variable, omp_is_private
12311 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12312 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12313 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12314 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12315 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12316 gimplify_omp_atomic): New.
12317 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12318 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12319 OMP_CRITICAL and OMP_ATOMIC.
12320 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12321 * c-pragma.h (enum pragma_kind): Add
12322 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12323 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12324 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12325 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12326 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12327 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12328 PRAGMA_OMP_THREADPRIVATE.
12329 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12330 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12331 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12332 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12333 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12334 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12335 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12336 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12337 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12338 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12339 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12340 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12341 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12343 (struct nesting_info): Add field_map,
12344 suppress_expansion, debug_var_chain.
12345 (create_nesting_tree): Initialize them.
12346 (lookup_field_for_decl): Use field_map.
12347 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12348 (convert_local_omp_clauses): New.
12349 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12350 (walk_body): Split out of walk_function.
12351 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12352 (convert_nonlocal_reference): Handle omp statements.
12353 (convert_local_reference): Likewise.
12354 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12355 (unnest_nesting_tree): New.
12356 (lower_nested_functions): Call it.
12357 (insert_field_into_struct): Make extern.
12358 (struct walk_stmt_info): Move to tree-gimple.h.
12359 (walk_stmts): Make extern.
12360 * omp-builtins.def: New file.
12361 * tree-iterator.c (expr_only): Clarify comment.
12362 * c-common.h (pushdecl_top_level, pushdecl,
12363 build_modify_expr, build_indirect_ref,
12364 c_finish_omp_master, c_finish_omp_critical,
12365 c_finish_omp_ordered, c_finish_omp_barrier,
12366 c_finish_omp_atomic, c_finish_omp_flush,
12367 c_finish_omp_for, c_split_parallel_clauses,
12368 omp_clause_default_kind, c_omp_sharing_predetermined,
12369 c_omp_remap_decl): Declare.
12370 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12371 (OBJS-common): Add omp-low.o.
12372 (c-omp.o, omp-low.o): Add.
12373 (gimplify.o): Add dependency on $(OPTABS_H).
12374 (GTFILES): Add omp-low.c.
12375 (gt-stringpool.h): Add.
12376 * tree-cfg.c (set_bb_for_stmt): Do not update the
12377 block-to-labels map if we are currently expanding to RTL.
12378 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12380 Handle IDENTIFIER_NODE.
12381 (tree_verify_flow_info): Do not ICE when emitting error
12382 messages about invalid labels.
12383 (dump_function_to_file): Reset CFUN before emitting the body
12385 (debug_function): New.
12386 * passes.c (init_optimization_passes): Schedule
12388 * langhooks-def.h (lhd_omp_predetermined_sharing,
12389 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12391 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12392 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12393 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12394 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12395 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12396 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12397 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12398 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12399 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12400 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12401 (LANG_HOOK_DECLS): Use them.
12403 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12404 Richard Henderson <rth@redhat.com>
12405 Jakub Jelinek <jakub@redhat.com>
12406 Diego Novillo <dnovillo@redhat.com>
12408 * c-parser.c (pragma_omp_clause): Define.
12409 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12410 (c_parser_compound_statement): Likewise.
12411 (c_parser_statement): Likewise.
12412 (c_parser_pragma): Handle omp pragmas.
12413 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12414 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12415 (c_parser_omp_clause_name, check_no_duplicate_clause,
12416 c_parser_omp_variable_list,
12417 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12418 c_parser_omp_clause_copyprivate,
12419 c_parser_omp_clause_default,
12420 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12421 c_parser_omp_clause_lastprivate,
12422 c_parser_omp_clause_nowait,
12423 c_parser_omp_clause_num_threads,
12424 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12425 c_parser_omp_clause_reduction,
12426 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12427 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12428 c_parser_omp_atomic, c_parser_omp_barrier,
12429 c_parser_omp_critical, c_parser_omp_flush,
12430 c_parser_omp_for_loop, c_parser_omp_for,
12431 c_parser_omp_master, c_parser_omp_ordered,
12432 c_parser_omp_sections_scope, c_parser_omp_sections,
12433 c_parser_omp_parallel, c_parser_omp_single,
12434 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12435 * c-pragma.c (init_pragma): Do omp pragma registration here.
12436 * c.opt (fopenmp): New flag.
12438 2006-01-18 Eric Christopher <echristo@apple.com>
12440 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12441 * config/darwin.h (GOMP_SELF_SPECS): Define.
12443 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12445 * rtl.h: Remove the prototype for reg_alloc.
12447 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12450 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12451 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12452 sjlj and dwarf2 exception handling.
12453 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12454 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12455 * pa/pa.c (function_value): Treat complex and vector types as
12457 (function_arg): Likewise. Only pass scalar floats in the floating
12458 point argument registers.
12459 * pa/t-slibgcc-dwarf-ver: New file.
12460 * pa/t-slibgcc-sjlj-ver: New file.
12461 * pa/t-slibgcc-elf-ver: Delete file.
12463 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12465 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12466 unlikely_test_section_p test.
12468 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12470 * mode-switching.c (optimize_mode_switching): Make it static.
12471 * basic-block.h: Remove the prototype for
12472 optimize_mode_switching.
12474 * modulo-sched.c (sms_schedule): Make it static.
12475 * rtl.h: Remove the prototype for sms_schedule.
12477 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12478 * rtl.h: Remove the prototype for gcse_after_reload_main.
12480 * reg-stack.c (reg_to_stack): Make it static.
12481 * rtl.h: Remove the prototype for reg_to_stack.
12483 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12485 * rtl.h: Remove the prototypes for regrename_optimize and
12486 copyprop_hardreg_forward.
12488 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12490 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12491 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12492 Test against the appropriate null constant for the mode.
12493 If 'fixup_overlap' is true, swap the operands if they overlap.
12494 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12495 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12496 alpha_split_tmode_pair and adjust for above change.
12497 * config/alpha/alpha.md (movtf_internal): Adjust call to
12498 alpha_split_tfmode_pair and rely on it to swap the operands.
12499 (movti_internal): New insn and post-reload splitter.
12500 (movti): New expander.
12502 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12504 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12507 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12509 * rtlanal.c (global_reg_mentioned_p_1,
12510 global_reg_mentioned_p): Remove.
12511 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12513 * flow.c (initialize_uninitialized_subregs): Make it static.
12514 * rtl.h: Remove the prototype for
12515 initialize_uninitialized_subregs.
12517 * function.c (instantiate_virtual_regs): Make it static.
12518 * function.h: Remove the prototype for
12519 instantiate_virtual_regs.
12521 * regmove.c (regmove_optimize, combine_stack_adjustments):
12523 * rtl.h: Remove the prototypes for regmove_optimize and
12524 combine_stack_adjustments.
12526 2006-01-17 Roger Sayle <roger@eyesopen.com>
12528 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12529 (size_cost): Encode costs in bytes so that a reg-reg addition is
12530 equivalent to COSTS_N_INSNS(1).
12531 (override_options): Use the size_cost.branch_cost as the default
12532 ix86_branch_cost when optimizing for size.
12534 2006-01-18 Ben Elliston <bje@au.ibm.com>
12536 * Makefile.in (D32PBIT_FUNCS): New.
12537 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12538 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12539 D64PBIT_FUNCS and D128PBIT_FUNCS.
12540 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12541 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12543 (decnumber_dep): Define.
12544 * doc/libgcc.texi (Decimal float library routines): New node.
12545 * config/dfp-bit.h, config/dfp-bit.c: New files.
12547 2006-01-18 Ben Elliston <bje@au.ibm.com>
12549 * expr.c (emit_move_change_mode): Always adjust addresses, not
12550 just during reload. Copy replacements only during reload.
12551 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12552 emit_move_via_integer.
12554 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12556 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12557 instead of $(srcdir) and ${srcdir}.
12559 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12562 PR middle-end/11135
12563 * arm.h (struct machine_function): Add pic_reg.
12564 * arm.c (arm_pic_register): Make unsigned.
12565 (arm_override_options): Only set arm_pic_register if
12566 TARGET_SINGLE_PIC_BASE.
12567 (use_return_insn): Only test for a pic register if it is fixed.
12568 (arm_compute_save_reg0_reg12_mask): Likewise.
12569 (thumb_compute_save_reg_mask): Likewise.
12570 (legitimate_pic_operand): Factor out some known invariants.
12571 (legitimize_pic_address): If we don't have a fixed pic register,
12572 then set up a pseudo in the function entry sequence. Handle the
12573 pic base being in a pseudo.
12574 (arm_load_pic_register): Handle the pic register being in a pseudo.
12575 (arm_expand_prologue): Only set up the pic register if it is fixed.
12576 (thumb_expand_prologue): Likewise.
12577 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12578 (pic_load_addr_based_insn): Likewise.
12579 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12582 2006-01-18 Ben Elliston <bje@au.ibm.com>
12584 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12585 decimal float modes for all floating point registers.
12587 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12588 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12590 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12593 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12594 even when the pointer is not NULL.
12596 2006-01-16 Ian Lance Taylor <ian@airs.com>
12598 * common.opt (ftoplevel-reorder): New option.
12599 * cgraph.c (cgraph_asm_nodes): New global variable.
12600 (cgraph_asm_last_node): New static variable.
12601 (cgraph_order): New global variable.
12602 (cgraph_create_node): Set new order field.
12603 (cgraph_varpool_node): Likewise.
12604 (decide_is_variable_needed): Return true if not
12605 flag_toplevel_reorder.
12606 (cgraph_add_asm_node): New function.
12607 * cgraph.h (struct cgraph_node): Add order field.
12608 (struct cgraph_varpool_node): Add order field.
12609 (struct cgraph_asm_node): Define.
12610 (cgraph_asm_nodes, cgraph_order): Declare.
12611 (cgraph_add_asm_node): Declare.
12612 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12614 (cgraph_varpool_assemble_pending_decls): Call it.
12615 (cgraph_output_pending_asms): New static function.
12616 (cgraph_finalize_compilation_unit): Call it.
12617 (struct cgraph_order_sort): Define.
12618 (cgraph_output_in_order): New static function.
12619 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12620 !flag_toplevel_reorder case.
12621 * c-parser.c: Include "cgraph.h".
12622 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12624 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12625 than -fno-unit-at-a-time.
12626 * doc/invoke.texi (Option Summary): Mention
12627 -fno-toplevel-reorder.
12628 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12629 -funit-at-a-time documentation.
12631 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12632 Kazu Hirata <kazu@codesourcery.com>
12634 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12636 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12638 * Makefile.in (FUNCTION_H): New. Use it instead of
12639 function.h throughout the file.
12640 * function.h: Include tree.h.
12642 2006-01-17 Ben Elliston <bje@au.ibm.com>
12644 * recog.c: Separate some functions with whitespace.
12646 2006-01-16 Richard Henderson <rth@redhat.com>
12648 Merge from gomp branch:
12649 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12650 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12651 and rename from struct inline_data. Rename callee* to dst*;
12652 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12653 transform_new_cfg, transform_return_to_modify, and
12654 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12656 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12657 (copy_decl_for_dup): Remove.
12658 * tree-inline.c (struct inline_data): Move to header.
12659 (insert_decl_map): Export.
12660 (remap_decl): Update for member name changes. Use copy_decl hook.
12661 Allow for replacement to be a non-decl. Remove dead code.
12662 (remap_type_1): Check for existing mapping.
12663 (remap_type): Export.
12664 (remap_decls): Update for member name changes.
12665 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12666 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12667 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12668 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12669 (tree_function_versioning, build_duplicate_type): Likewise.
12670 (copy_body_r): Likewise. Export.
12671 (copy_decl_for_dup): Split into ...
12672 (copy_decl_for_dup_finish, copy_decl_to_var,
12673 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12674 (replace_ref_tree, inlining_p): Remove.
12676 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12678 * ifcvt.c (if_convert): Make it static.
12679 * rtl.h: Remove the prototype for if_convert.
12681 * local-alloc.c (local_alloc): Make it static.
12682 * rtl.h: Remove the prototype for local_alloc.
12684 * loop.c (loop_optimize): Make it static.
12685 * cfgloop.h: Remove the prototype for loop_optimize.
12688 2006-01-16 DJ Delorie <dj@redhat.com>
12690 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12693 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12695 * pa.md: Disparage copies between general and floating-point registers
12696 in 32-bit move patterns.
12698 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12701 * Makefile.in (check-%): Depend on site.exp instead of
12702 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12705 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12707 * global.c (global_alloc): Make it static.
12708 * rtl.h: Remove the prototype for global_alloc.
12710 2006-01-16 Richard Guenther <rguenther@suse.de>
12712 * tree-ssa-alias.c (struct used_part): Add write_only field.
12713 (get_or_create_used_part_for): Initialize it to true.
12714 (create_overlap_variables_for): Don't create structure variables
12715 for structures that only are written to.
12716 (find_used_portions): Handle MODIFY_EXPR to track whether a
12717 structure is only written to.
12719 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12721 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12723 * basic-block.h: Remove the prototype for
12724 partition_hot_cold_basic_blocks.
12726 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12728 * cppspec.c (lang_specific_spec_functions): Remove.
12729 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12730 * gcc.h (lang_specific_spec_functions): Remove.
12731 * gccspec.c (lang_specific_spec_functions): Remove.
12733 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12735 * combine.c (record_value_for_reg): Invalidate registers
12737 (record_dead_and_set_regs_1): Likewise, by passing them to
12738 record_value_for_reg.
12739 (record_dead_and_set_regs): Invalidate stores made by a
12740 call. We do not combine across a call, but we still
12741 relied on equivalences.
12743 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12745 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12746 vrp_int_const_binop returning non-constant nodes.
12748 2006-01-16 Paul Brook <paul@codesourcery.com>
12750 * config/m68k/m68k.c (output_move_const_into_data_reg):
12751 Output correct mnemonic for mvz and mvs.
12753 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12755 * rtl-factoring.c: Add sequence abstraction algorithm.
12756 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12757 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12759 (block_has_preserve_label): New function.
12760 * common.opt: Register new pass.
12761 * Makefile.in: Ditto.
12763 * timevar.def: Ditto.
12764 * tree-pass.h: Ditto.
12765 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12766 * rtl.h (make_jump_insn_raw): Add forward decl.
12767 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12769 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12770 Roger Sayle <roger@eyesopen.com>
12772 * fold-const.c (fold_minmax): New static function.
12773 (fold_binary) <MIN_EXPR>: Call it.
12774 <MAX_EXPR>: Likewise.
12775 * stor-layout.c (place_field): Use DECL_SIZE consistently
12776 in the computation of the new record size.
12778 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12780 * cse.c (cse_condition_code_reg): Make it static.
12781 * rtl.h: Remove the prototype for cse_condition_code_reg.
12783 * combine.c (combine_instructions): Make it static.
12784 * rtl.h: Remove the prototype for combine_instructions.
12786 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12789 * tree.c (get_file_function_name_long): Concatenate the first global
12790 object name with a string derived from the input filename of the object
12793 2006-01-16 Ben Elliston <bje@au.ibm.com>
12795 * config/i386/winnt-stubs.c: Update FSF address.
12796 * config/xtensa/ieee754-df.S: Ditto.
12797 * config/xtensa/ieee754-sf.S: Ditto.
12799 2006-01-14 Ian Lance Taylor <ian@airs.com>
12801 * ifcvt.c (noce_init_if_info): New static function, broken out of
12802 noce_process_if_block.
12803 (noce_process_if_block): Call noce_init_if_info.
12804 (check_cond_move_block): New static function.
12805 (cond_move_process_if_block): New static function.
12806 (process_if_block): Call cond_move_process_if_block.
12808 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12810 * cselib.c (hash_table): Rename to cselib_hash_table.
12811 (cselib_clear_table, discard_useless_values,
12812 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12813 cselib_init, cselib_finish): Adjust uses of hash_table.
12815 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12817 PR tree-optimization/25485
12818 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12819 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12820 is known to be false and true, respectively.
12822 2006-01-14 Richard Guenther <rguenther@suse.de>
12824 PR tree-optimization/22548
12825 PR tree-optimization/22555
12826 PR tree-optimization/22501
12827 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12828 * params.def (salias-max-array-elements): New parameter.
12829 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12830 * doc/invoke.texi (salias-max-array-elements): Document.
12831 * tree-flow-inline.h (var_can_have_subvars): We also handle
12833 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12835 * tree-ssa-structalias.c (params.h): Include.
12836 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12837 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12838 (get_constraint_for): For ADDR_EXPR operating on something
12839 containing an ARRAY_REF, add all subvars to the solution.
12840 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12841 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12842 for creating MUST_DEFs.
12843 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12845 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12847 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12849 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12850 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12851 number_of_iterations_le): New functions.
12852 (number_of_iterations_special): Removed.
12853 (number_of_iterations_exit): Do not use number_of_iterations_special.
12854 * tree.c (unsigned_type_for): Always return integer type.
12856 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12857 Richard Guenther <rguenther@suse.de>
12859 PR rtl-optimization/24257
12860 * gcse.c (find_moveable_store): Only consider a store movable
12861 when the SET_SRC of the insn can be assigned to a register.
12863 2006-01-14 Ian Lance Taylor <ian@airs.com>
12865 * tree.c (tree_not_class_check_failed): New function.
12866 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12867 (tree_not_class_check_failed): Declare.
12869 2006-01-13 Ian Lance Taylor <ian@airs.com>
12871 * reload1.c (do_output_reload): Add assertion rejecting a
12874 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12876 * combine.c (struct reg_stat): Add new fields truncation_label and
12878 (record_value_for_reg): Reset truncated_to_mode.
12879 (record_truncated_value): New function.
12880 (check_promoted_subreg): Call it. Rename to check_conversions.
12881 (combine_instructions): Rename check_promoted_subreg to
12883 (reg_truncated_to_mode): New function.
12884 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12885 (gen_lowpart_or_truncate): New function.
12886 (force_to_mode): Use it instead of gen_lowpart.
12888 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12890 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12891 VAR is a tag, not its type tag.
12893 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12895 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12896 alternatives to match style of other entries.
12897 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12899 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12901 PR tree-optimization/25771
12902 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12905 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12908 * tree-inline.c (declare_return_variable): If the return variable
12909 was marked as a non gimple complex, set the return slot variable
12910 to be a non gimple comple variable.
12912 2006-01-13 Richard Guenther <rguenther@suse.de>
12914 * builtins.c (expand_builtin_sincos): New function.
12915 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12917 (expand_builtin): Expand sincos using expand_builtin_sincos.
12919 2006-01-12 DJ Delorie <dj@redhat.com>
12921 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12922 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12923 so that constant shifts can be split.
12924 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12925 (m32c_valid_pointer_mode): Make static.
12926 (shift_gen_func_for): New.
12927 (m32c_prepare_shift): Use it. Split large const shifts into
12929 * config/m32c/predicates.md (shiftcount_operand): Allow more
12931 (longshiftcount_operand): New.
12932 * doc/md.texi (Machine Constraints): Document In6.
12934 2006-01-13 Ben Elliston <bje@au.ibm.com>
12936 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12937 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12940 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12942 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12943 to try to avoid clobbering pieces of structures when we know
12944 something about the whole structure.
12945 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12947 2006-01-13 Ben Elliston <bje@au.ibm.com>
12949 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12950 return in memory, as this is no limitation is no longer present.
12952 2006-01-12 DJ Delorie <dj@redhat.com>
12954 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12955 mova with fb, and for fb+0 -> An.
12957 * config/m32c/mov.md (peephole2): Fix enabling logic.
12959 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12960 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12961 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12962 FINI_ARRAY_SECTION_ASM_OP): Define.
12964 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12966 (m32c_legitimize_reload_address): New logic to reload FB to An.
12967 (m32c_output_reg_push): Add newline.
12968 (m32c_output_reg_pop): Likewise.
12970 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12972 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12974 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12976 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12978 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12980 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12983 2006-01-11 Ben Elliston <bje@au.ibm.com>
12985 * rtlanal.c (find_reg_note): Assert insn is not null.
12987 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12989 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12992 2006-01-11 Jeff Law <law@redhat.com>
12994 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12996 (mark_threaded_blocks, register_jump_thread): New functions.
12997 (thread_through_all_blocks): Remove unwanted argument. No
12998 longer rely on e->aux to communicate thread target info.
12999 Call mark_threaded_blocks. Release the threaded_blocks
13000 bitmap and threaded_edges vector when complete.
13001 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13002 (threaded_blocks): Remove.
13003 (tree_ssa_dominator_optimize): Remove initialization and
13004 finalization of threaded_blocks. Simplify call to
13005 thread_through_all_blocks.
13006 (thread_across_edge): Call register_jump_thread rather than
13007 storing thread information into e->aux.
13008 (free_all_edge_infos): Simplify now that e->aux is no longer
13009 used to communicate with thread_through_all_blocks.
13010 * tree-flow.h (thread_through_all_blocks): Update prototype.
13011 (register_jump_thread): Prototype.
13013 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13015 * df-core.c (df_compact_blocks, df_bb_replace): Use
13016 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13018 2006-01-11 Richard Guenther <rguenther@suse.de>
13020 PR tree-optimization/25734
13021 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13022 stop propagation after successful propagation to the LHS.
13024 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13026 * basic-block.h (control_flow_graph): Change the type of
13027 x_basic_block_info to VEC(basic_block,gc) *.
13028 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13030 (SET_BASIC_BLOCK): New.
13031 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13032 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13033 * cfgbuild.c (find_basic_blocks): Likewise.
13034 * cfglayout.c (fixup_reorder_chain): Likewise.
13035 * cfgrtl.c (create_basic_block_structure,
13036 rtl_create_basic_block): Likewise.
13037 * ifcvt.c (find_if_case_1): Likewise.
13038 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13041 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13043 * Makefile.in: Removed rotted odf.c entry.
13045 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13048 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13049 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13050 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13051 output pattern modifier, not %e.
13052 * config/cris/cris.c (cris_op_str): Update comment about pattern
13054 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13055 before falling through into...
13056 <case 'E'>: Redefined from old 'e' case.
13058 2006-01-11 Jan Hubicka <jh@suse.cz>
13061 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13063 2006-01-11 Jan Hubicka <jh@suse.cz>
13065 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13066 * i386.c (x86_decompose_lea): Kill.
13067 (ix86_rtx_costs): Kill.
13069 2006-01-11 Jan Hubicka <jh@suse.cz>
13071 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13072 * cgraph.h (cgraph_node): Add inline_decl.
13073 (cgraph_insert_node_to_hashtable): Declare.
13074 (save_inline_function_body): Declare.
13075 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13077 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13078 (cgraph_function_versioning): Update call of tree_function_versioning.
13079 (save_inline_function_body): New function.
13080 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13081 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13082 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13083 (cgraph_default_inline_p): Likewise.
13084 (cgraph_decide_inlining_incrementally): Likewise.
13085 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13086 (copy_bb): Kill saving; do updating of clones.
13087 (copy_cfg_body): Kill saving.
13088 (initialize_inlined-parameters): Likewise.
13089 (expand_call_inline): Likewise.
13091 (tree_function_versioning): New parameter "update_clones".
13092 (inlining_p): Kill saving.
13093 * tree-inline.h (tree_function_versioning): Update prototype.
13094 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13097 2006-01-11 Ian Lance Taylor <ian@airs.com>
13099 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13100 Allow undoing set of machine mode.
13101 (do_SUBST): Use enums instead of is_int.
13102 (do_SUBST_MODE): New function.
13103 (SUBST_MODE): New macro.
13104 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13105 reg and trying to replace reg_regno_rtx with a new register.
13106 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13107 (simplify_set): Use SUBST_MODE.
13108 (distribute_notes): Remove code that tried to update reg notes
13109 for regno_reg_rtx changes.
13111 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13113 PR tree-optimization/23109
13114 PR tree-optimization/23948
13115 PR tree-optimization/24123
13117 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13118 * tree-cfg.c (single_noncomplex_succ): New.
13119 * tree-flow.h (single_noncomplex_succ): Declare it.
13120 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13121 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13122 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13123 insert_bb, register_division_in, insert_reciprocals,
13124 replace_reciprocal, free_bb): New.
13125 (execute_cse_reciprocals_1): Rewritten.
13126 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13127 Do not commit any edge insertion. Always compute dominators and
13128 create the allocation pool.
13129 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13130 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13131 * targhooks.c (default_min_divistions_for_recip_mul): New.
13132 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13133 * passes.c (init_optimization_passes): Run recip after tree loop
13135 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13137 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13138 Kenneth Zadeck <zadeck@naturalbridge.com>
13140 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13141 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13142 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13143 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13144 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13145 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13146 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13147 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13148 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13149 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13150 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13151 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13152 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13153 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13154 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13155 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13156 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13157 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13158 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13159 DF_SCAN_POST_ALLOC): New macros.
13160 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13161 df_free_bb_function, df_local_compute_function, df_init_function,
13162 df_dataflow_function, df_confluence_function_0,
13163 df_confluence_function_n, df_transfer_function,
13164 df_finalizer_function, df_free_function, df_dump_problem_function,
13165 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13166 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13167 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13168 df_urec_bb_info, ) New types.
13169 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13171 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13172 df_analyze_simple_change_some_blocks,
13173 df_analyze_simple_change_one_block, df_compact_blocks,
13174 df_bb_replace, df_bb_regno_last_use_find,
13175 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13176 df_insn_regno_def_p, df_find_def, df_find_use,
13177 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13178 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13179 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13180 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13181 debug_df_chain, df_get_dependent_problem, df_chain_create,
13182 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13183 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13184 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13185 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13186 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13187 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13188 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13189 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13190 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13191 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13192 df_reorganize_refs, df_set_state, df_hard_reg_init,
13193 df_read_modify_subreg_p) New public functions.
13194 * df-core.c: The core dataflow solver and glue routines for rtl
13196 (df_init, df_add_problem, df_set_blocks, df_finish,
13197 df_hybrid_search_forward, df_hybrid_search_backward,
13198 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13199 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13200 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13201 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13202 df_reg_defined, df_find_use, df_reg_used, df_dump,
13203 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13204 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13205 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13206 debug_df_useno, reset_df_after_reload): New functions.
13207 * df-scan.c: The scanning fuctions, once in df.c, completely
13208 rewritten so that they now fully model the functionality of
13209 register usage at the backend.
13210 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13211 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13212 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13213 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13214 df_get_artificial_defs, df_get_artificial_uses,
13215 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13216 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13217 df_refs_delete, df_reorganize_refs, df_set_state,
13218 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13219 df_def_record_1, df_defs_record, df_uses_record,
13220 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13221 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13222 df_record_exit_block_uses, df_hard_reg_init): New functions.
13224 * df-problems.c: Seven concrete dataflow problems that use the
13225 scanning in df-scan.c and are solved by the engine in df-core.c.
13226 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13227 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13228 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13229 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13230 df_ru_free_bb_info, df_ru_alloc,
13231 df_ru_bb_local_compute_process_def,
13232 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13233 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13234 df_ru_transfer_function, df_ru_free, df_ru_dump,
13235 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13236 df_rd_free_bb_info, df_rd_alloc,
13237 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13238 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13239 df_rd_transfer_function, df_rd_free, df_rd_dump,
13240 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13241 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13242 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13243 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13244 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13245 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13246 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13247 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13248 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13249 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13250 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13251 df_urec_mark_reg_use_for_earlyclobber,
13252 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13253 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13254 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13255 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13256 df_chain_create_bb_process_use, df_chain_create_bb,
13257 df_chain_finalize, df_chain_free, df_chains_dump,
13258 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13259 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13260 df_reg_lifetime): New functions.
13261 * df.c: Deleted file.
13262 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13263 consistent with new df api.
13264 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13265 rest_of_handle_sms): Ditto.
13266 * web.c (unionfind_union, union_defs, entry_register, web_main):
13268 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13269 invariant_expr_equal_p, find_defs, check_dependencies,
13270 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13271 free_inv_motion_data, move_loop_invariants): Ditto.
13272 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13273 Update dependencies.
13274 (odf.c): Added defective entry that was deleted later in day.
13275 * sched-deps.c (sched_analyze_1): Ditto.
13277 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13279 * tree-ssa-operands.c (get_expr_operands): Record addressable
13280 variables directly. Do not call add_stmt_operands for CONST_DECLs
13282 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13283 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13285 2006-01-11 Ben Elliston <bje@au.ibm.com>
13287 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13288 function returns true in the positive case.
13290 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13293 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13294 for SI, DI, SF and DF modes. Add alternatives to copy between
13295 general and floating point registers to the 32-bit patterns.
13296 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13297 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13298 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13299 generating 64-bit code.
13300 * config/pa/pa.c (output_move_double): Handle copies between general
13301 and floating registers.
13303 2006-01-10 Stuart Hastings <stuart@apple.com>
13305 * config/i386/i386.md (set_got): Update.
13306 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13307 (builtin_setjmp_receiver): Mach-O support.
13308 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13309 (GOT_SYMBOL_NAME): Define.
13310 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13311 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13312 * config/i386/i386.c (override_options): Revise for Darwin.
13313 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13314 support. (darwin_x86_file_end): New. (output_set_got): Add label
13315 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13316 * config/i386/i386-protos.h (output_set_got): Likewise.
13317 * config/darwin.c (machopic_legitimize_pic_address): Update
13320 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13322 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13323 when MODE isn't BLKmode.
13325 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13327 PR rtl-optimization/25367
13328 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13330 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13333 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13334 for a negative bound.
13336 2006-01-10 Richard Guenther <rguenther@suse.de>
13338 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13339 Never override with anything constraint.
13341 2006-01-10 Jan Beulich <jbeulich@novell.com>
13343 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13344 256 bits when optimize_size.
13346 2006-01-10 Jan Beulich <jbeulich@novell.com>
13348 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13350 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13351 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13354 2006-01-10 Ben Elliston <bje@au.ibm.com>
13356 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13358 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13359 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13360 (USE_FP_FOR_ARG): Reject decimal float modes.
13361 (function_arg_advance): Likewise.
13362 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13363 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13364 point types in AltiVec vectors.
13365 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13366 (rs6000_libcall_value): Likewise.
13368 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13370 * config/xtensa/ieee754-df.S: New file.
13371 * config/xtensa/ieee754-sf.S: New file.
13372 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13373 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13374 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13376 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13378 * config/sh/predicates.md (binary_float_operator,
13379 binary_logical_operator, commutative_float_operator,
13380 equality_comparison_operator, greater_comparison_operator,
13381 less_comparison_operator, logical_operator,
13382 noncommutative_float_operator, shift_operator,
13383 symbol_ref_operand, unary_float_operator): Remove redundant
13386 2006-01-09 Jeff Law <law@redhat.com>
13388 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13389 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13390 now unused arguments. Callers updated.
13391 (eliminate_redundant_computations): Remove now unused arguments,
13393 (local_fold): Remove, no longer used.
13394 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13396 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13397 (simplify_cond): New function.
13398 (forward_propagate_into_cond): Call simplify_cond.
13400 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13402 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13403 (*vec_extractv2di_1_sse): New.
13405 2006-01-09 Ben Elliston <bje@au.ibm.com>
13407 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13409 2006-01-08 Richard Guenther <rguenther@suse.de>
13411 * tree-ssa-structalias.c (get_constraint_for): Remove
13412 anyoffset argument.
13413 (get_constraint_for_component_ref): Likewise.
13414 (do_deref): Likewise.
13415 (get_constraint_for): Likewise.
13416 (do_structure_copy): Likewise.
13417 (handle_ptr_arith): Likewise.
13418 (find_func_aliases): Likewise. Remove unused need_anyoffset
13421 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13422 Kaz Kojima <kkojima@gcc.gnu.org>
13424 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13425 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13426 (EXTRA_CONSTRAINT_C16): Remove.
13427 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13428 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13429 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13430 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13431 constants of SHmedia. Handle nested constant expressions of
13433 (andcosts): Fix the costs for SHmedia constants.
13434 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13435 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13436 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13437 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13438 (movv4hi_i, movv2si_i): Likewise.
13439 (movsi_const): Adjust the second operand of ior so to match with
13440 the Csu constraint.
13441 (movdi_const, movdi_const_32bit): Likewise.
13442 (movdi_const_16bit+1): Don't sign-extend LOW.
13443 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13445 (*double_shori): Fix the split condition. Use GEN_INT instead
13446 of get_int_mode calls. Mask lower 16-bit of the argument of
13448 (sym2GOTPLT): Remove.
13449 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13451 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13452 instead of EXTRA_CONSTRAINT_C16.
13454 2006-01-07 Ian Lance Taylor <ian@airs.com>
13455 David Edelsohn <edelsohn@gnu.org>
13457 PR rtl-optimization/25662
13458 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13459 for constant operands instead of simplify_gen_binary.
13460 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13461 after trying simplify_binary_operation
13463 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13465 * tree.c (iterative_hash_expr): Hash decls based on UID.
13467 2006-01-06 Eric Christopher <echristo@apple.com>
13469 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13470 (TARGET_UNWIND_EMIT): Fix spelling.
13471 * target.h (gcc_target): Add except_table_label.
13472 * except.c (output_function_exception_table): Use.
13473 * varasm.c (default_emit_except_table_label): New.
13474 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13476 (asm_out): Add here.
13477 * output.h (default_emit_except_table_label): Prototype.
13478 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13479 * config/darwin.c (darwin_emit_except_table_label): Define.
13480 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13482 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13484 PR tree-optimization/18527
13485 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13486 number_of_iterations_special, number_of_iterations_exit):
13487 Move base and step of an iv to a single structure. Add
13488 no_overflow flag, and use it in # of iterations analysis.
13489 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13490 folded_casts argument.
13491 (simple_iv): Pass base and step in a structure. Set no_overflow
13493 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13494 Evaluate expensiveness of computing # of iterations instead of
13495 the final expression.
13496 * tree-scalar-evolution.h (affine_iv): New structure.
13497 (simple_iv): Declaration changed.
13498 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13499 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13500 find_givs_in_stmt): Changed due to simple_iv change.
13502 2006-01-06 Jeff Law <law@redhat.com>
13505 * tree-cfg.c (bsi_replace): Rename final argument from
13506 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13507 change (stmt -> orig_stmt).
13508 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13509 (bsi_remove): Add new argument. Remove EH information
13511 (verify_eh_throw_table_statements): New function.
13512 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13514 * tree-optimize.c (execute_free_cfg_annotations): Verify
13515 the EH throw statement table after removing annotations.
13516 * except.h (verify_eh_throw_table_statements): Prototype.
13517 * tree-flow.h (bsi_remove): Update prototype.
13518 * tree-vrp.c (remove_range_assertions): Add new argument to
13520 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13521 * tree-complex.c (expand_complex_div_wide): Likewise.
13522 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13523 * tree-tailcall.c (eliminate_tailcall): Likewise.
13524 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13525 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13526 * tree-nrv.c (tree_nrv): Likewise.
13527 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13528 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13529 (combine_blocks): Likewise.
13530 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13531 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13532 (cleanup_control_flow): Likewise.
13533 (remove_forwarder_block): Likewise.
13534 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13535 * tree-sra.c (sra_replace): Likewise.
13536 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13537 (forward_propagate_single_use_vars): Likewise.
13538 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13539 * tree-inline.c (expand_call_inline): Likewise.
13540 * tree-vect-transform.c (vect_transform_loop): Likewise.
13541 * tree-outof-ssa.c (rewrite_trees): Likewise.
13542 * tree-cfg.c (make_goto_expr_edges): Likewise.
13543 (cleanup_dead_labels): Likewise.
13544 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13545 (bsi_move_before, bsi_move_after): Likewise.
13546 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13547 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13549 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13552 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13554 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13555 on non gimple variables. Also add checks at the top for decls and
13557 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13559 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13560 and IMAGPART_EXPR for creating MUST_DEFs.
13561 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13562 and NAME_MEMORY_TAG separately from the DECLs.
13564 2006-01-06 Richard Guenther <rguenther@suse.de>
13566 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13567 annotation, if necessary.
13568 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13569 redundant calls to update_stmt.
13570 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13573 2006-01-05 Richard Henderson <rth@redhat.com>
13575 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13577 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13579 * c-typeck.c: Update copyright date.
13581 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13583 * c-typeck.c (build_c_cast): Always warn when casting
13584 from a pointer to an integer of different size, even if
13585 the node was constant.
13587 2006-01-05 Richard Guenther <rguenther@suse.de>
13589 PR tree-optimization/22555
13590 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13591 if one structure field is an array.
13592 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13593 operands even if we found a subvar, but ignore VOPs in this
13595 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13597 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13599 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13601 PR middle-end/24998
13602 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13604 2006-01-05 Richard Guenther <rguenther@suse.de>
13605 Diego Novillo <dnovillo@redhat.com>
13607 * tree-pass.h (TODO_remove_unused_locals): Define.
13608 * gimple-low.c (expand_var_p, remove_useless_vars,
13609 pass_remove_useless_vars): Remove. Update all users.
13610 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13611 (remove_unused_locals): New function.
13612 * tree-flow.h (remove_unused_locals): Declare.
13613 * passes.c (execute_todo): Call remove_unused_locals if
13614 TODO_remove_unused_locals is set.
13615 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13616 * tree-ssa-dce.c (pass_dce): Likewise.
13617 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13619 2006-01-05 Richard Guenther <rguenther@suse.de>
13621 * tree-flow.h (struct fieldoff): Decompose field to
13622 type, size and decl.
13623 * tree-ssa-alias.c (create_sft): Take type as parameter.
13624 (create_overlap_variables_for): Store type, size and decl
13625 in the fieldoff structure.
13626 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13627 of struct fieldoff.
13628 (push_fields_onto_fieldstack): Likewise.
13629 (create_variable_info_for): Likewise. Use offset for the
13630 SFT name if the decl is not available.
13632 2006-01-04 Paul Brook <paul@codesourcery.com>
13634 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13636 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13638 * lambda-code.c (can_put_in_inner_loop): Relax
13640 (can_put_after_inner_loop): New function.
13641 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13642 (perfect_nestify): Change to make copies and modify uses.
13644 2006-01-04 Richard Henderson <rth@redhat.com>
13646 Merge from gomp branch:
13647 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13648 via integer constant.
13649 (pragma_lex): Remove.
13650 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13651 rather than parsing it.
13652 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13653 handle_pragma_extern_prefix): Add %< %> quotes.
13654 (registered_pragmas): New.
13655 (c_register_pragma_1): New.
13656 (c_register_pragma): Use it.
13657 (c_register_pragma_with_expansion): Likewise.
13658 (c_invoke_pragma_handler): New.
13659 (init_pragma): Use cpp_register_deferred_pragma directly for
13661 * c-pragma.h (enum pragma_kind): New.
13662 (pragma_handler): New.
13663 (c_invoke_pragma_handler): Declare.
13664 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13666 * c-common.h (c_common_pch_pragma): Update decl.
13667 * Makefile.in (c-parser.o): Update dependencies.
13668 (GTFILES): Add c-pragma.h.
13669 * c-parser.c (struct c_token): Add pragma_kind.
13670 (struct c_parser): Add in_pragma.
13671 (c_lex_one_token): Always initialize keyword and pragma_kind.
13672 Extract data for CPP_PRAGMA.
13673 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13674 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13675 Don't allow CPP_PRAGMA_EOL if in_pragma.
13676 (c_parser_consume_pragma): New.
13677 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13678 (c_parser_skip_to_end_of_parameter): Likewise.
13679 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13680 (c_parser_skip_to_pragma_eol): New.
13681 (c_parser_external_declaration): Handle CPP_PRAGMA.
13682 (c_parser_compound_statement_nostart): Likewise.
13683 (c_parser_statement_after_labels): Likewise.
13684 (c_parser_pragma): New.
13685 (pragma_lex): Likewise.
13686 (c_parser_pragma_pch_preprocess): New.
13687 (c_parser_new): Merge into ...
13688 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13690 2006-01-04 Jeff Law <law@redhat.com>
13693 * tree-cfg.c (bsi_replace): Remove the original statement
13694 from the EH throw statement table.
13696 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13698 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13699 make the prototype extern "C" and add throw ().
13702 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13703 and pos non-negative and pos + len <= 32.
13704 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13705 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13706 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13709 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13710 as well as sizes not multiple of component size.
13713 * function.c (instantiate_expr): New function.
13714 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13715 walk its DECL_VALUE_EXPR with instantiate_expr.
13717 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13718 DW_OP_deref{,_size} if address isn't going to be added.
13720 2006-01-04 Ben Elliston <bje@au.ibm.com>
13722 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13723 * config/fp-bit.c: Likewise.
13725 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13727 * dominance.c: Add comment about why we use DFS numbering
13730 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13731 Richard Henderson <rth@redhat.com>
13733 Merge from gomp-branch:
13734 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13735 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13737 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13739 PR rtl-optimization/25578
13740 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13741 pass a parameter to simplify_shift_const if changing ASHIFTRT
13744 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13746 * builtins.c (get_builtin_sync_mem): New function.
13747 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13748 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13749 Call get_builtin_sync_mem to generate mem rtx.
13751 2006-01-03 Richard Guenther <rguenther@suse.de>
13754 * stmt.c (add_case_node): Make sure to clear overflow flags
13757 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13759 Merge from gomp-branch.
13760 * config/sparc/sync.md: New file.
13761 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13762 UNSPECV_LDSTUB): New constants.
13763 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13764 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13765 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13768 2006-01-03 Roger Sayle <roger@eyesopen.com>
13770 * combine.c (reg_subword_p): New predicate to test whether the
13771 destination of a set refers to a subword/piece of a register.
13772 (try_combine): Generalize the code to merge the setting of a
13773 pseudo to a constant followed by a set of a subword of that
13774 register to a constant.
13776 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13778 * basic-block.h (control_flow_graph): Change the type of
13779 x_label_to_block_map to VEC(basic_block,gc) *.
13780 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13781 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13783 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13784 VEC(basic_block,heap) *.
13785 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13786 ssa_prop_fini): Adjust the uses of cfg_blocks.
13788 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13790 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13792 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13793 hashing trees instead of a pointer hash.
13794 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13795 compare for MEM_EXPR.
13797 PR rtl-optimization/25130
13798 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13799 when comparing MEMs for GCSE
13801 2006-01-03 Ben Elliston <bje@au.ibm.com>
13803 * targhooks.h (default_decimal_float_supported_p): Declare.
13804 * targhooks.c (default_decimal_float_supported_p): Define.
13805 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13806 `default_decimal_float_supported_p'.
13807 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13809 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13811 * combine.c (apply_distributive_law <SUBREG>): Check
13812 TRULY_NOOP_TRUNCATION.
13814 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13816 * dwarf2out.c (have_switched_text_section): Delete.
13817 (have_multiple_function_sections): New.
13818 (have_location_lists): Make 'bool'.
13819 (add_AT_loc_list): Use 'true' not '1'.
13820 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13821 (output_loc_list): Use have_multiple_function_sections.
13822 (output_ranges): Likewise.
13823 (dwarf2out_begin_function): Set have_multiple_function_sections if
13825 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13826 Check function_section rather than DECL_SECTION_NAME.
13827 (dwarf2out_finish): Use have_multiple_function_sections.
13828 Don't clear have_location_lists.
13830 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13831 Jan Hubicka <jh@suse.cz>
13833 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13834 case of conditional jump jumping to the next instruction.
13835 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13836 cases of conditional jump jumping to the next instruction.
13838 2006-01-02 Jan Hubicka <jh@suse.cz>
13840 * i386.c (*_cost): Add COSTS_N_INSNS.
13841 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13843 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13846 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13848 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13850 * config/arm/arm.c (all_fpus): Fix comment typo.
13851 * config/darwin.c: Likewise.
13852 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13853 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13854 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13856 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13858 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13859 (rs6000_split_compare_and_swapqhi): New.
13860 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13861 (sync_compare_and_swapqhi_internal): New.
13862 * config/rs6000/rs6000-protos.h: Declare.