1 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6 2006-08-10 Paul Brook <paul@codesourcery.com>
8 * final.c (final_scan_insn): Clear current_insn_predicate before
11 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
13 PR tree-optimization/26197
14 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
15 get_ref_base_and_extent and overlap_subvar to add only relevant
16 subvars as may-aliases.
17 (add_may_alias_for_new_tag): New function, factored out of
19 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
20 with additional argument.
21 * tree-flow.h (new_type_alias): Takes additional argument.
23 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
25 * gcov.c (no_data_file): New flag.
26 (read_count_file): Set it if data file not present. Assume counts
28 (output_lines): Don't name the data file, if there wasn't one.
30 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
32 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
33 (rs6000_generate_compare): Tweak comments.
34 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
36 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
38 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
39 (var_debug_decl): New function.
40 (var_reg_set): Follow debug decl link. Add location even if
41 reg is already known to hold some other variable.
42 (var_mem_set): Follow debug decl link.
43 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
44 decl link. Delete other known locations of the variable part
46 (var_reg_delete, var_mem_delete): Delete other known locations
47 of the variable part if requested.
48 (same_variable_part_p): New function.
49 (add_stores): Select MO_COPY when appropriate.
50 (vt_initialize): Handle it.
51 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
52 known locations for MO_SET and MO_CLOBBER.
53 (find_variable_location_part): New function.
54 (set_variable_part, delete_variable_part): Use it.
55 (clobber_variable_part): New function.
56 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
59 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
61 PR tree-optimization/26969
62 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
63 with an empty list of PHIs.
65 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
69 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
72 2006-08-06 Andreas Schwab <schwab@suse.de>
74 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
75 string. Whitespace and comment fixup.
77 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
80 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
84 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
87 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
89 2006-08-04 Jan Hubicka <jh@suse.cz>
93 * reload.c (push_reload): Patch out the mismatching instruction;
95 (find_reload): Bail out if the instruction was patched out.
97 2006-08-04 Jan Hubicka <jh@suse.cz>
99 PR tree-optimization/24888
100 * tree-inline.c (expand_call_inline): Do not re-record variables.
101 (declare_inline_vars): Add variable to unexpanded_var_list.
103 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
104 Roger Sayle <roger@eyesopen.com>
106 PR rtl-optimization/26244
107 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
108 inner_const are negative or greater than or equal to the bitsize of
109 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
110 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
111 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
112 CONST0_RTX (mode) when the new shift count is greater than or equal to
113 to the bitsize of the object being shifted and XEXP (y, 0) has no side
116 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
118 * tree-cfg.c: Fix a comment typo.
120 2006-08-03 Mark Mitchell <mark@codesourcery.com>
123 * varasm.c (output_constant): Give the front end another chance to
124 expand constants, after stripping NOPs.
126 2006-08-03 Jan Hubicka <jh@suse.cz>
128 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
131 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
133 PR tree-optimization/27770
134 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
135 declaration removed (moved to tree-flow.h).
136 (vect_can_force_dr_alignment_p): Likewise.
137 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
138 (moved from tree-vectorizer.h).
139 (vect_can_force_dr_alignment_p): Likewise.
140 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
141 from outside the vectorizer - in particular from cgraph stage.
142 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
143 the alignment of global arrays when -fsection-anchors is enabled.
144 * cgraphunit.c (cgraph_increase_alignment): New function.
145 (cgraph_optimize): Call cgraph_increase_alignment.
147 2006-08-03 David Edelsohn <edelsohn@gnu.org>
150 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
151 not reload a SPE symbol_ref into a lo_sum address.
153 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
156 * dwarf2out.c (prune_unused_types_prune): Move call to
157 prune_unused_types_update_strings to cover the parent DIE also.
159 2006-08-02 Jan Hubicka <jh@suse.cz>
161 PR gcov/profile/28480
162 * tree-cfg.c (change_bb_for_stmt): New function.
163 (tree_merge_blocks, tree_split_blocks): Use it.
165 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
171 * toplev.c (compile_file): Return early on errorcount or sorrycount.
172 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
173 (cgraph_optimize): Likewise.
175 2006-08-01 Stuart Hastings <stuart@apple.com>
177 * rtl.h (UINTVAL) New.
178 * config/rs6000/rs6000.c (SMALL_INT) Use it.
179 * testsuite/gcc.dg/20060801-1.c: New.
181 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
184 * c-typeck.c (build_external_type): Mark used enum types.
185 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
187 (gen_subprogram_die): Whitespace fix.
189 2006-08-01 Jan Hubicka <jh@suse.cz>
191 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
192 bitmap when not needed.
193 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
196 2006-08-01 Dirk Mueller <dmueller@suse.de>
198 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
200 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
202 * Makefile.in: Revert part of previous patch:
203 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
206 2006-07-30 Eric Christopher <echristo@apple.com>
209 * doc/extend.texi (i386 Variable Attributes): Add anchor.
210 (PowerPC Variable Attributes): New section.
212 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
214 PR target/28126 (partial fix)
215 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
217 2006-07-28 Jan Hubicka <jh@suse.cz>
219 PR rtl-optimization/28071
220 * cfgrtl.c (rtl_delete_block): Free regsets.
221 * flow.c (allocate_bb_life_data): Re-use regsets if available.
223 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
225 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
226 and variables used in dependencies.
228 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
230 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
231 %fs for -mcmodel=kernel.
232 (stack_tls_protect_test_di): Likewise.
234 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
236 * Makefile.in: Use mkinstalldirs.
238 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
241 * opts-common.c (prune_options): Skip joined switches.
243 2006-07-27 Jan Hubicka <jh@suse.cz>
245 PR rtl-optimization/28071
246 * cselib.c (cselib_process_insn): Don't remove useless values too
247 often for very large hashtables.
249 2006-07-27 Jan Hubicka <jh@suse.cz>
251 PR rtl-optimization/28071
252 * global.c (greg_obstack): New obstack.
253 (allocate_bb_info): Use it.
254 (free_bb_info): Likewise.
255 (modify_reg_pav): Likewise.
257 2006-07-27 Roger Sayle <roger@eyesopen.com>
259 * builtins.c (fold_fixed_mathfn): When long and long long are the
260 same size, canonicalize llceil*, llfloor*, llround* and llrint*
261 functions to their lceil*, lfloor*, lround* and lrint* forms.
263 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
266 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
268 (rev_branch_insn): Likewise.
270 2006-07-27 Jan Hubicka <jh@suse.cz>
272 PR rtl-optimization/28071
273 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
274 (reg_set_in_bb, max_reg_computed): New static variables.
275 (regmove_optimize): Free the new array.
276 (fixup_match_1): Update call of reg_is_remote_constant_p.
278 2006-07-26 Jan Hubicka <jh@suse.cz>
280 PR tree-optimization/27882
281 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
283 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
285 (cgraph_analyze_compilation_unit): Likewise.
286 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
287 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
288 (cgraph_early_inlinine): Make order garbage collected.
289 * Makefile.in (gt-ipa-inline): New garbagecollected file.
291 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
293 * dbxout.c (output_types_sort): Add a comment.
294 (output_used_types): Free the VEC.
296 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
298 * function.c (reorder_fix_fragments): Delete.
299 (reorder_blocks): Don't call it.
300 (reorder_blocks_1): Put all subblocks under the origin block.
302 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
304 PR rtl-optimization/27907
305 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
308 2006-07-25 Roger Sayle <roger@eyesopen.com>
311 * convert.c (convert_to_integer): When transforming (T)foo(x) into
312 bar(x) check that bar's result type can represent all the values of T.
314 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
316 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
318 2006-07-25 Nick Clifton <nickc@redhat.com>
320 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
322 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
323 (ggc_pch_count_object): Likewise.
324 (ggc_pch_alloc_object): Likewise.
325 (ggc_pch_write_object): Likewise.
326 (init_ggc): Do not attempt to initialize entries in the
327 size_lookup[] array for objects whose size is greater than than
328 the length of the array.
330 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
332 * dbxout.c (output_used_types_helper): Push queued types
334 (output_types_sort): New.
335 (output_used_types): Collect used types on a VEC and sort them
338 2006-07-24 Richard Guenther <rguenther@suse.de>
341 * cgraph.c (cgraph_remove_node): Do not check if dumps
343 * cgraphunit.c (cgraph_optimize): Likewise.
345 2006-07-24 Jan Hubicka <jh@suse.cz>
347 PR rtl-optimization/28071
348 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
349 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
350 splitting before first stmt.
352 2006-07-24 Jan Hubicka <jh@suse.cz>
354 PR rtl-optimization/28071
355 * ipa-inline.c (update_caller_keys): Remove edges that
356 are no longer inline candidates.
358 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
361 * dbxout.c (output_used_types_helper, output_used_types): New.
362 (dbxout_symbol): Call output_used_types.
364 2006-07-23 Jan Hubicka <jh@suse.cz>
368 * cgraph.c (cgraph_varpool_nodes): Export.
369 (decide_is_variable_needed): Ignored "used" attribute in
371 * cgraph.h (cgraph_varpool_nodes): Declare.
372 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
375 2006-07-23 Roger Sayle <roger@eyesopen.com>
378 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
379 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
380 the __gthrw form of thr_keycreate.
381 (__gthread_key_delete): Silence the unused argument warning.
383 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
386 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
387 Cache the last found '\0' marker to avoid quadratic behavior.
389 2006-07-23 Jan Hubicka <jh@suse.cz>
391 * i386.md (subsi_3_zext): Fix output template.
393 2006-07-21 Mike Stump <mrs@apple.com>
395 * doc/invoke.texi (C++ Dialect Options): Note that
396 -fvisibility-inlines-hidden doesn't affect explicitly
397 instantiationed inline methods.
399 2006-07-20 Roger Sayle <roger@eyesopen.com>
401 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
402 if the target assembler is GNU binutils' gas.
403 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
404 whether to pass GNU gas or native as command line options.
406 2006-07-20 Jason Merrill <jason@redhat.com>
408 * tree.c (remove_attribute): New fn.
409 * tree.h: Declare it.
411 2006-07-20 Paul Brook <paul@codesourcery.com>
414 * cse.c (cse_insn): Add destination addresses to hash table. Check if
415 they are invalidated by this instruction.
417 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
420 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
422 2006-07-20 Eric Christopher <echristo@apple.com>
425 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
427 2006-07-19 Eric Christopher <echristo@apple.com>
429 * config/t-slibgcc-darwin (stmp-lipo): Remove.
430 Rewrite dependencies for libgcc_s.1.dylib.
432 2006-07-19 Jakub Jelinek <jakub@redhat.com>
434 * except.c (duplicate_eh_regions_1): Clear next_peer.
436 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
438 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
439 -mlongcall does not guarantee all calls will be long.
440 * doc/extend.texi (long_call/short_call): Document that longcall
441 does not guarantee a long call will be used.
442 (longcall/shortcall): Likewise.
444 2006-07-18 Roger Sayle <roger@eyesopen.com>
447 * expmed.c (expand_shift): Additionally check that the shift_cost
448 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
449 before implementing a LSHIFT_EXPR as a sequence of additions.
450 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
451 middle-end that DImode shifts need to be synthesized by expand.
453 2006-07-18 Diego Novillo <dnovillo@redhat.com>
456 * tree-ssa-operands.c (access_can_touch_variable): Update
458 Return true if ALIAS is .GLOBAL_VAR.
460 2006-07-18 David Daney <ddaney@avtrex.com>
462 * gcc.c (display_help): Fix typo in help text.
464 2006-07-18 Olivier Hainque <hainque@adacore.com>
466 * tree.h (categorize_ctor_elements): Adjust prototype and add
467 descriptive comment, both in accordance with the interface change
469 * varasm.c (constructor_static_from_elts_p): New function.
470 Whether a constructor node is a valid static constant initializer
471 if all its elements are.
472 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
473 * output.h: Declare it.
474 * expr.c (categorize_ctor_elements_1): Return whether the constructor
475 is a valid constant initializer instead of computing the number of
476 non-constant elements. Use constructor_static_from_elts_p for this
477 purpose. Replace the head comment with an indication that this is a
478 helper for categorize_ctor_elements.
479 (categorize_ctor_elements): Same interface change as for the _1
480 helper. Former head comment from this helper moved here, adjusted to
481 account for the interface changes.
482 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
483 (all_zeros_p): Likewise.
484 * gimplify.c (gimplify_init_constructor): Decide whether we can make
485 static versions of the constructor from the categorize_ctor_elements
486 return value instead of the formerly computed number of non-constant
489 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
491 * configure: Regenerate.
492 * Makefile.in (build_libsubdir): New configure substitution
493 (build_libobjdir): New variable.
494 (BUILD_LIBIBERTY): Use it.
496 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
499 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
501 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
504 * c-common.c (handle_weakref_attribute): Ignore attribute in
505 the same conditions the alias attribute is ignored.
507 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
509 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
510 (dbxout_begin_prologue): Increment scope_labelno.
512 2006-07-17 Richard Henderson <rth@redhat.com>
515 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
518 2006-07-17 Roger Sayle <roger@eyesopen.com>
519 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
521 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
522 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
523 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
524 functions such as sbrk, write, etc.. Add function prototypes.
525 Convert function declarations from K&R to ISO C. Cast pointers
526 to "long" and "unsigned long" instead of "int" and "unsigned int".
527 Convert tokens following #endif into comments.
529 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
531 * invoke.texi: Remove mention of f77; Reformat table for
532 inline parameter options correctly; mention that -malign-double
533 is default on x86-64 targets.
535 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
537 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
538 (convert_affine_scev, chrec_convert_aggressive): Use
539 avoid_arithmetics_in_type_p. Do not check for the subtypes
542 2006-07-17 Richard Sandiford <richard@codesourcery.com>
545 * optabs.c (expand_doubleword_shift): Wrap the call to
546 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
548 2006-07-17 Richard Sandiford <richard@codesourcery.com>
551 * optabs.c (expand_binop): Pass next_methods rather than methods
552 to expand_doubleword_shift.
554 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
557 * tree.h (dump_addr): Declare.
558 * print-tree.c (dump_addr): New function.
559 (print_node_brief, print_node): Use it.
560 * print-rtl.c (print_rtx): Likewise.
561 * common.opt (-fdump-noaddr): New option.
562 * doc/invoke.texi (-fdump-noaddr): Document.
563 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
564 (ve_info_hash): Likewise.
566 2006-07-13 Andrew Haley <aph@redhat.com>
568 PR tree-optimization/19505
569 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
570 edge leaving this block, make sure that the destination of this
571 block has only one predecessor.
573 2006-07-17 Richard Guenther <rguenther@suse.de>
575 PR tree-optimization/28238
576 * tree-inline.c (copy_bb): Check if we produced valid
577 gimple copying and substituting a stmt. If not, gimplify
580 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
582 * optabs.c (maybe_encapsulate_block): New function extracted from...
583 (emit_libcall_block): ...here. Invoke it on the block of insns to
584 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
585 (emit_no_conflict_block): Likewise.
587 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
589 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
591 2006-07-15 Roger Sayle <roger@eyesopen.com>
593 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
594 a new NOP_EXPR case of the switch statement.
596 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
599 * stor-layout.c (place_field): Take the bit field with
600 an excessive size into account in the ms-bitfiled case.
603 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
604 the previous bit field.
606 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
609 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
611 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
613 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
614 signal frames correctly even when the signal was installed with
617 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
619 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
620 (dbxout_function_end): Use local label LFBB. Remove hook
622 (dbxout_source_line): Use local label LFBB.
623 (dbxout_block): Likewise.
624 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
625 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
626 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
629 2006-07-13 Janis Johnson <janis187@us.ibm.com>
631 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
633 2006-07-13 Jan Hubicka <jh@suse.cz>
635 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
637 * output.h (align_variable): Declare.
638 * varasm.c (align_variable): Export.
639 * value-prof.c (tree_value_profile_transformations): Recompute iterator
640 when basic block changed.
642 2006-07-13 Nick Clifton <nickc@redhat.com>
644 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
645 walking the LOG_LINKS chain.
647 2006-07-12 Geoffrey Keating <geoffk@apple.com>
649 * doc/invoke.texi (C++ Dialect Options): Explain difference
650 between -fvisibility-inlines-hidden and setting hidden
651 visibility explicitly.
653 2006-07-12 Eric Christopher <echristo@apple.com>
655 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
656 (stmp-lipo): Depend on libgcc.a.
658 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
660 * tree.c: Fix a comment typo.
662 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
664 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
666 (umulhisi3_r): Likewise.
668 2006-07-12 Paolo Carlini <pcarlini@suse.de>
671 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
672 x < 19, vs wchar_t support.
674 2006-07-12 Nick Clifton <nickc@redhat.com>
676 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
679 2006-07-12 Mike Stump <mrs@apple.com>
681 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
683 2006-07-10 Eric Christopher <echristo@apple.com>
685 * config/t-slibgcc-darwin: Rewrite.
687 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
690 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
693 2006-07-08 Matthias Klose <doko@debian.org>
695 * doc/sourcebuild.texi: Fix typo.
697 2006-07-07 Mike Stump <mrs@apple.com>
699 * toplev.c (process_options): Don't give -ffunction-sections may
700 affect debugging warning for Mach-O.
702 2006-07-07 James E Wilson <wilson@specifix.com>
704 * config/mips/mips.md (cpu): Add sb1a.
705 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
706 addition to sb1. Adjust comments to clarify SB-1A differences from
708 (ir_sb1a_load): New. Modify bypasses to use it.
709 (ir_sb1a_simple_alu): Likewise.
710 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
711 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
712 (mips_issue_rate): Add PROCESSOR_SB1A.
713 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
714 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
715 (TARGET_SB1): Add PROCESSOR_SB1A check.
716 (TUNE_SB1): Likewise.
718 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
719 * config/mips/mips.c (mips_store_data_bypass_p): New.
720 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
723 2006-07-08 Paul Brook <paul@codesourcery.com>
726 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
728 2006-07-07 Richard Guenther <rguenther@suse.de>
731 * tree.h (build_one_cst): Declare.
732 * tree.c (build_one_cst): New function.
733 * tree-ssa-math-opts.c (get_constant_one): Remove.
734 (insert_reciprocals): Use build_one_cst.
735 * fold-const.c (fold_plusminus_mult): Likewise.
737 2006-07-07 Roger Sayle <roger@eyesopen.com>
739 * pointer-set.c (pointer_set_destroy): Correct whitespace.
740 * cfgloopanal.c (dump_graph): Likewise.
741 * dojump.c (discard_pending_stack_adjust): Likewise.
742 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
744 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
745 * function.c (finalize_block_changes): Likewise.
746 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
747 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
748 * rtl.c (dump_rtx_statistics): Likewise.
749 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
751 * varray.c (dump_varray_statistics): Likewise.
752 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
753 decode_decimal64, encode_decimal128, decode_decimal128,
754 decimal_real_to_decimal): Likewise.
756 2006-07-07 Richard Guenther <rguenther@suse.de>
758 PR tree-optimization/28187
759 * tree-vrp.c (vrp_operand_equal_p): New function.
760 (vrp_bitmap_equal_p): Likewise.
761 (update_value_range): Use them to compare old and new
764 2006-07-06 Roger Sayle <roger@eyesopen.com>
766 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
767 a default case to switch statement to silence compiler warnings.
769 2006-07-06 Roger Sayle <roger@eyesopen.com>
772 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
773 the configured assembler supports the x87's ffreep mnemonic.
774 * configure: Regenerate.
775 * config.in: Regenerate.
777 * config/i386/i386.c (output_387_ffreep): New function.
778 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
779 (output_387_reg_move): Likewise.
781 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
783 Port to hosts whose 'sort' and 'tail' implementations
784 treat operands with leading '+' as file names, as POSIX
785 has required since 2001. However, make sure the code still
786 works on pre-POSIX hosts.
787 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
788 which says you should use "tail -c +N" rather than "tail +Nc".
789 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
791 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
793 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
796 2006-07-06 David Edelsohn <edelsohn@gnu.org>
799 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
800 PRE_{INC,DEC} of TFmode.
802 2006-07-06 David Edelsohn <edelsohn@gnu.org>
803 Alan Modra <amodra@bigpond.net.au>
806 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
809 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
812 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
813 Remove duplicate gtu.
815 2006-07-05 Jason Merrill <jason@redhat.com>
819 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
820 * c-common.c (handle_packed_attribute): So don't copy it here.
821 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
823 2006-07-05 Mike Stump <mrs@apple.com>
825 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
827 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
830 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
832 2006-07-05 Richard Guenther <rguenther@suse.de>
835 * config/i386/i386.md (*negdf2_1): Restrict pattern to
836 TARGET_SSE2 targets if using SSE math.
837 (*absdf2_1): Likewise.
839 2006-07-05 Richard Guenther <rguenther@suse.de>
841 PR tree-optimization/28162
842 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
843 make sure to convert the operands to the correct type.
845 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
847 PR tree-optimization/28218
849 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
850 to calculate and free the dominator information.
852 2006-07-04 Peter O'Gorman <peter@pogma.com>
854 * mklibgcc.in: chmod 644 before ranlib during install.
856 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
857 J"orn Rennecke <joern.rennecke@st.com>
859 * configure.ac (.eh_frame data check): Use diff -b.
861 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
864 * Makefile.in (BUILD_RTL): Add build/vec.o.
865 (build/gencondmd.o): Filter out -fkeep-inline-functions.
866 (build/genextract): Delete.
867 (build/genautomata): Likewise.
869 2006-07-04 Alan Modra <amodra@bigpond.net.au>
872 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
873 128-bit IBM long doubles for ABI_V4.
875 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
877 * tree.c (range_in_array_bounds_p): New predicate.
878 * tree.h (range_in_array_bounds_p): Declare it.
879 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
880 return a less conservative answer.
881 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
883 (IS_ELEMENT_FOR_GROUP): New macro.
884 (FOR_EACH_ACTUAL_CHILD): Likewise.
885 (next_child_for_group): New helper function.
886 (can_completely_scalarize_p): Take into account groups.
887 (sra_hash_tree): Handle RANGE_EXPR.
888 (sra_elt_eq): Likewise.
889 (lookup_element): Be prepared for handling groups.
890 (is_valid_const_index): Delete.
891 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
892 instead of is_valid_const_index.
893 <ARRAY_RANGE_REF>: New case.
894 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
895 is_valid_const_index.
896 <ARRAY_RANGE_REF>: Do not unconditionally punt.
897 (scan_dump): Dump info for groups too.
898 (decide_instantiation_1): Likewise.
899 (decide_block_copy): Assert that the element is not a group.
900 Propagate decision to groups.
901 (generate_one_element_ref): Handle RANGE_EXPR.
902 (mark_no_warning): Iterate over actual childs.
903 (generate_copy_inout): Likewise.
904 (generate_element_copy): Likewise.
905 (generate_element_zero): Likewise.
906 (generate_element_init_1): Likewise.
907 (dump_sra_elt_name): Handle RANGE_EXPR.
909 2006-07-03 Roger Sayle <roger@eyesopen.com>
911 PR tree-optimization/26251
912 * tree-ssa-threadupdate.c (redirection_block_p): New function.
913 (thread_block): When optimizing for size refuse to thread jumps
914 that would require duplication of blocks other than redirection
917 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
919 * configure.ac: Fix thinko in previous check-in.
920 * configure: Regenerate.
922 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
925 * configure.ac (for lang...): Simplify nesting of conditionals.
926 Test subdir_requires for non-enabled languages. Move processing
927 of lang_opt_files and lang_tree_fiels below that test.
928 * configure: Regenerate.
929 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
931 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
933 * doc/gcov.texi (Invoking Gcov): Add a missing word.
935 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
937 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
940 2006-06-29 Jason Merrill <jason@redhat.com>
947 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
948 * c-common.c (c_determine_visibility): Handle it here.
949 * c-decl.c (finish_decl): Call c_determine_visibility for
951 * flags.h (enum symbol_visibility): Sort from most to least visibility.
953 * varasm.c (default_assemble_visibility): Likewise.
954 * c-common.c (handle_visibility_attribute): Complain about trying
955 to give visibility to an already defined class, or trying to change
956 declared visibility. Always attach the attribute.
961 * attribs.c (decl_attributes): Ignore type-in-place attributes
962 once the type has been defined.
964 2006-06-29 Roger Sayle <roger@eyesopen.com>
967 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
968 to indicate the cpplib has issued an error message for us.
970 2006-06-29 Asher Langton <langton2@llnl.gov>
973 * config/i386/i386.c (ix86_output_function_epilogue): Don't
974 insert a label at the end of an function under Mach-O.
976 2006-06-29 Eric Christopher <echristo@apple.com>
977 Evan Cheng <evan.cheng@apple.com>
979 * predicates.md (vector_all_ones_operand): New.
980 (nonimmediate_or_sse_const_operand): Ditto.
981 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
982 * config/i386/i386.c (standard_sse_constant_opcode): Define.
983 (standard_sse_mode_p): Ditto.
984 (standard_sse_constant_p): Add case for -1 vector.
985 (ix86_expand_vector_move): Try to use.
986 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
987 Call standard_sse_constant_opcode.
988 (*movv4sf_internal): Ditto.
989 (*movv2df_internal): Ditto.
991 2006-06-29 Roger Sayle <roger@eyesopen.com>
993 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
994 of XEXP to extract the operands of a MATCH_CODE rtx.
996 2006-06-28 Andrew Pinski <pinskia@gmail.com>
998 * tree.c (tree_size): Do not waste tail padding in
999 struct tree_string and make the size be the same as
1000 build_string will generate.
1002 2006-06-28 Jason Merrill <jason@redhat.com>
1005 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1006 may_aliases already in the tag's annotations to the bitmap.
1008 2006-06-28 Roger Sayle <roger@eyesopen.com>
1010 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1012 2006-06-28 Roger Sayle <roger@eyesopen.com>
1014 * genpreds.c (generate_switch_p): New function.
1015 (add_mode_tests): Push the new mode test down inside an AND expr
1016 if this allows the switch-suitable MATCH_CODE to be near the root.
1017 (write_match_code_switch): New function to write a MATCH_CODE as
1019 (write_predicate_stmts): New function to write a predicate RTX
1020 expression as a sequence of statements.
1021 (write_one_predicate_function): Use write_predicate_stmts.
1022 (write_tm_constrs_h): Likewise.
1024 2006-06-26 Fred Fish <fnf@specifix.com>
1026 * config/mips/t-sb1: New file.
1027 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1030 2006-06-26 DJ Delorie <dj@redhat.com>
1032 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1034 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1035 Jayant Sonar <jayants@kpitcummins.com>
1036 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1038 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1039 (subsi3, subsi3_1, subsi3_2): New.
1040 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1041 * config/m32c/mov.md (SI mov peephole): New.
1042 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1043 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1045 2006-06-26 Olivier Hainque <hainque@adacore.com>
1047 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1048 a CALL_EXPR target function declaration.
1050 2006-06-26 Richard Guenther <rguenther@suse.de>
1052 * tree.c (build_string): Do not waste tail padding in
1055 2006-06-26 Richard Guenther <rguenther@suse.de>
1057 * ggc-page.c (init_ggc): Add missing element to size_lookup
1061 2006-06-23 Richard Guenther <rguenther@suse.de>
1063 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1064 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1065 alignment requests instead. Add verification code.
1066 Add struct tree_function_decl and struct tree_binfo size to
1067 extra_order_size_table. Add missing element to size_lookup
1070 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1073 * fold-const.c (const_binop): Be prepared for self returning zero.
1074 Simplify code handling complex values.
1076 2006-06-24 Olivier Hainque <hainque@adacore.com>
1078 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1079 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1082 2006-06-24 Olivier Hainque <hainque@adacore.com>
1084 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1085 ARRAY_REF, so have the callback called for the low bound expression.
1087 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1089 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1090 * c-typeck.c (c_common_type): Disallow operations on decimal float
1091 types and other float types.
1092 * convert.c (convert_to_real): Don't ignore conversions involving
1093 decimal float types.
1095 2006-06-23 Olivier Hainque <hainque@adacore.com>
1097 * tree.c (max_int_size_in_bytes): New function, inspired from
1098 code in function.c:assign_temp.
1099 * tree.h (max_int_size_in_bytes): Declare.
1100 * function.c (assign_temp): Use it.
1101 * gimplify.c (create_tmp_var): Relax the assertions on the type
1102 properties, not mandating constant size any more.
1103 (force_constant_size): New static function.
1104 (gimple_add_tmp_var): Use it, forcing variable size to a
1105 constant upper bound if it is not constant on entry.
1107 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1110 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1111 for initialization and setting of one_only flag to ...
1112 (i386_pe_encode_section_info): ...here.
1113 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1114 Recheck that the symbol has not been defined.
1116 2006-06-23 Richard Guenther <rguenther@suse.de>
1118 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1119 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1120 alignment requests instead. Add verification code.
1121 Add struct tree_function_decl and struct tree_binfo size to
1122 extra_order_size_table. Add missing element to size_lookup
1125 2006-06-22 Roger Sayle <roger@eyesopen.com>
1126 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1129 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1130 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1132 2006-06-23 Ben Elliston <bje@au.ibm.com>
1134 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1135 negate dn -- manipulate it directly.
1137 2006-06-22 Roger Sayle <roger@eyesopen.com>
1138 Steven Bosscher <stevenb.gcc@gmail.com>
1141 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1142 generated by gen_move_insn to add REG_LABEL notes if necessary.
1144 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1146 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1147 (leaf_entry): Remove use of MIN_ESA.
1149 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1151 PR rtl-optimization/28121
1152 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1155 2006-06-21 DJ Delorie <dj@redhat.com>
1157 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1159 (mulhisi3_r): Likewise.
1161 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1164 * coverage.c (coverage_counter_alloc): Leave the index type
1166 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1169 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1171 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1172 section from the "Options for Code Generation Conventions".
1174 2006-06-21 Richard Henderson <rth@redhat.com>
1178 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1180 (global_symbolic_operand): Allow weak symbols, even if local_p.
1182 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1184 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1185 (find_interesting_uses_address): Punt if above function returns true.
1187 2006-06-21 Richard Guenther <rguenther@suse.de>
1189 * configure: Regenerated.
1191 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1193 * config/mips/mips.c (function_arg): Where one part of a
1194 complex argument is in registers and the other part in the stack,
1195 return a REG not a PARALLEL.
1197 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1199 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1200 when cross-compiling. Do not substitute libstdcxx_incdir.
1201 * configure: Regenerated.
1203 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1205 * varasm.c (mergeable_string_section): Check for embedded NULs and
1206 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1207 rather than TREE_STRING_LENGTH bytes.
1209 2006-06-21 Richard Guenther <rguenther@suse.de>
1211 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1212 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1215 2006-06-21 Richrad Guenther <rguenther@suse.de>
1217 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1218 Limit iteration over the dominators.
1220 2006-06-20 Roger Sayle <roger@eyesopen.com>
1222 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1223 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1225 2006-06-20 Richard Guenther <rguenther@suse.de>
1226 Michael Matz <matz@suse.de>
1228 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1230 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1231 * et-forest.h (et_free_pools): Prototype new function.
1232 * et-forest.c (et_free_tree_force): Free parent occurrence.
1233 (et_free_pools): New function.
1234 * dominance.c (free_dominance_info): Free et-forest alloc
1237 2006-06-20 Roger Sayle <roger@eyesopen.com>
1239 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1240 integer modes, attempt to directly construct an integer constant.
1242 * fold-const.c (native_encode_vector): Determine the size of each
1243 element from the vector type instead of the first vector element.
1245 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1246 if all of its elements/components are constant.
1247 (build_constructor_from_list): Likewise.
1249 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1251 PR tree-optimization/27331
1252 * tree-data-ref.c (free_data_ref): New function.
1253 (create_data_ref): Fail if the data reference has unknown access
1255 (free_data_refs): Use free_data_ref.
1257 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1260 * tree-inline.c (setup_one_parameter): Strip useless
1261 type conversion before adding it to the IR.
1262 (declare_return_variable): Likewise.
1264 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1267 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1269 2006-06-19 Mike Stump <mrs@apple.com>
1271 * tree.c (variably_modified_type_p): VM arguments don't make the
1274 2006-06-19 Richard Guenther <rguenther@suse.de>
1276 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1277 type conversions after folding.
1279 2006-06-19 Richard Guenther <rguenther@suse.de>
1281 * ggc-page.c (extra_order_size_tab): Add entries with
1282 size of struct function and basic_block.
1283 (size_lookup): Extend to cover sizes up to 511.
1284 (ggc_alloc_stat): Adjust user.
1285 (ggc_pch_count_object): Likewise.
1286 (ggc_pch_alloc_object): Likewise.
1287 (ggc_pch_write_object): Likewise.
1289 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1291 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1292 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1295 2006-06-19 Denis Chertykov <denisc@overta.ru>
1297 * config/avr/libgcc.S : Correct my wrong previous commit.
1299 2006-06-19 Roger Sayle <roger@eyesopen.com>
1302 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1303 have stripped a SUBREG from the shift count, so we may need to
1304 convert_to_mode back to the type's mode before calling make_tree.
1305 Use new_amount instead of amount to avoid expanding a tree twice.
1307 2006-06-19 Richard Guenther <rguenther@suse.de>
1310 * fold-const.c (operand_equal_p): Check if the argument types
1311 have the same precision before stripping NOPs.
1313 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1315 Fix PR tree-optimization/27341
1316 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1318 * tree-complex.c (pass_lower_complex): Update SMT usage.
1320 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1322 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1323 Add a new alternative to the constraint strings. Add move of
1324 operand 1 to 3 to the splitter definition.
1325 ("doloop_si_long"): Second contraint alternative removed.
1327 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1329 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1330 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1332 (AVR_HAVE_MOVW) Define.
1333 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1334 (ASM_SPEC): Add avr25.
1335 (LINK_SPEC): Add avr25.
1336 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1337 (base_arch_s): Add new member 'have_movw_lpmx'.
1338 (avr_arch_types): Init 'have_movw_lpmx'.
1339 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1340 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1341 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1342 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1343 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1345 (avr_file_start): Do not output '.arh' derective.
1346 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1347 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1348 * config/avr/avr.md (mcu_enhanced): Delete.
1349 (mcu_have_movw): Define.
1350 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1351 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1352 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1353 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1354 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1355 attiny861 and at86rf401 devices.
1357 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1359 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1362 2006-06-17 Karl Berry <karl@gnu.org>
1364 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1365 doc/gccint.texi, doc/install.texi (@dircategory): Use
1366 "Software development" instead of "Programming", following
1367 the Free Software Directory.
1369 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1371 * config/i386/i386.c (legitimate_tls_address)
1372 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1373 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1374 (*tls_dynamic_gnu2_combine_64): Likewise.
1376 2006-06-16 Richard Guenther <rguenther@suse.de>
1379 * fold-const.c (negate_expr_p): Do not introduce undefined
1380 overflow in negating INTEGER_CSTs.
1381 (fold_negate_expr): Rename from negate_expr. Revert last
1382 change for folding BIT_NOT_EXPR. Change semantics to
1383 return NULL_TREE for non-simplified negations. Do not
1384 strip type conversions and unify type handling.
1385 (negate_expr): New function, wrap around fold_negate_expr
1386 but ensure building a tree always. Strip type conversions
1387 here, fold to result type.
1388 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1390 2006-06-16 Roger Sayle <roger@eyesopen.com>
1393 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1394 that (would) return their results in stack registers.
1396 2006-06-16 Michael Matz <matz@suse.de>
1397 Richard Guenther <rguenther@suse.de>
1399 * fold-const.c (fold_truthop): Only return new tree node if
1400 we canonicalized something.
1402 2006-06-16 Richard Guenther <rguenther@suse.de>
1404 * function.h (enum function_frequency): Move declaration
1405 out of struct function.
1406 (struct function): Move bool fields and the enum to the bitfield
1407 section. Reorder elements to avoid padding. Remove unused
1408 fields left over from the RTL inliner removal.
1409 * function.c (free_after_compilation): Do not zero removed fields.
1410 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1411 (ipa-type-escape.o): Likewise.
1413 2006-06-16 Richard Guenther <rguenther@suse.de>
1415 * cgraph.h (struct cgraph_local_info): Turn bool elements
1417 (struct cgraph_node): Likewise.
1418 (struct cgraph_varpool_node): Likewise.
1420 2006-06-15 Richard Guenther <rguenther@suse.de>
1422 * fold-const.c (fold_truth_not_expr): Rename from
1423 invert_truthvalue. Give it fold_* semantics to avoid
1425 (invert_truthvalue): New function. Wrapper around
1426 fold_truth_not_expr.
1427 (optimize_minmax_comparison): Avoid creating garbage.
1428 (fold_unary): Use fold_truth_not_expr for folding
1430 (fold_ternary): Replace uses of invert_truthvalue with
1431 fold_truth_not_expr where applicable.
1432 * tree.h (fold_truth_not_expr): Prototype.
1434 2006-06-16 Richard Guenther <rguenther@suse.de>
1436 PR tree-optimization/27781
1437 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1438 * ipa-pure-const.c (target.h): Include.
1439 (analyze_function): Do not analyze functions that do not
1442 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1445 * tree-dfa.c (referenced_vars_dup_list): Remove.
1446 (find_referenced_vars): Remove assert.
1447 (referenced_var_check_and_insert): Replace dup list with assert.
1448 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1449 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1451 2006-06-15 Richard Guenther <rguenther@suse.de>
1453 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1454 extra unused identifiers if not dumping.
1455 (create_variable_info_for): Likewise.
1457 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1459 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1460 (derive_constant_upper_bound): Derive more precise upper bound in
1461 common cases. Return type changed to double_int.
1462 (record_estimate): Reflect the changed return type of
1463 derive_constant_upper_bound.
1464 * double-int.c (double_int_zext, double_int_sext): Fix.
1466 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1468 * configure.ac (CFLAGS): Get them from the toplevel or from the
1469 configure invocation.
1470 * configure: Regenerate.
1471 * Makefile.in (CFLAGS): Substitute value provided by configure.
1473 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1476 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1477 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1478 rather than calling add_stmt on it.
1479 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1481 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1484 * reload1.c (reload): Remove registers returned by update_eliminables
1485 from used_spill_regs.
1487 2006-06-13 DJ Delorie <dj@redhat.com>
1489 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1491 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1493 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1494 html__strip_dir, html__mkdir_p. Enhance install-html target.
1495 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1496 * configure: Regenerate.
1498 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1500 * fold-const.c (fold_cond_expr_with_comparison): Check for
1501 Objective-C++ as language in deciding COND_EXPR transformation.
1503 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1506 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1507 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1508 * config/sh/lib1funcs.h (SL, SL1): Define.
1509 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1510 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1511 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1512 (OBJS_Os_4_200): New variable.
1513 ($(T)libgcc-Os-4-200.a): Use it.
1514 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1515 when dividing 1 and/or by 0.
1517 2006-06-13 Roger Sayle <roger@eyesopen.com>
1519 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1520 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1521 * configure: Regenerate.
1523 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1525 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1526 for real instruction.
1528 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1531 * haifa-sched.c (check_cfg): Handle special case.
1533 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1536 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1537 Add debug_info parameter. Chain the vars to the BLOCK instead
1538 of the BIND_EXPR if debug info are requested for them.
1539 (pop_gimplify_context): Adjust for above change.
1540 (gimple_add_tmp_var): Likewise.
1541 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1543 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1544 (convert_local_reference): Likewise.
1545 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1546 (finalize_nesting_tree_1): Request that debug info be emitted
1547 for debug_var_chain.
1549 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1551 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1552 for PR target/27863.
1554 2006-06-13 Richard Guenther <rguenther@suse.de>
1557 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1559 2006-06-13 Richard Guenther <rguenther@suse.de>
1561 PR tree-optimization/27830
1562 * tree-inline.c (copy_body_r): For copying the operand
1563 of an ADDR_EXPR make sure to fold &* afterwards.
1565 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1567 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1568 lvalues in the fb_none case with side-effects.
1570 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1572 * tree-flow.h: Remove the prototype for
1573 compute_phi_arg_on_exit.
1574 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1575 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1578 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1580 * builtins.c (expand_builtin_return_addr): Only use
1581 frame_pointer_rtx when count == 0 and we are expanding
1582 __builtin_return_address.
1584 2006-06-12 Fred Fish <fnf@specifix.com>
1586 * config/mips/mips.c (mips_file_start): Create special section
1587 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1589 2006-06-11 Eric Christopher <echristo@apple.com>
1592 * stor-layout.c (place_field): Remove check for
1593 remaining_in_alignment when aligning at the end of a run.
1595 2006-06-11 Eric Christopher <echristo@apple.com>
1598 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1601 2006-06-11 Roger Sayle <roger@eyesopen.com>
1604 Revert incorrect fix for PR target/27158
1605 2006-05-08 Roger Sayle <roger@eyesopen.com>
1606 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1607 of a reg_equiv_constant if the result is a legitimate constant.
1609 2006-06-11 Roger Sayle <roger@eyesopen.com>
1612 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1613 extract a CONST_VECTOR element and interpret it as an integer.
1614 (vspltis_constant): Use const_vector_elt_as_int instead of the
1615 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1616 * config/rs6000/predicates.md (easy_vector_const): Consider
1617 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1619 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1622 * stor-layout.c (update_alignment_for_field): Don't add extra
1623 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1626 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1628 * config/mips/t-rtems: Add EL/EB multilib variants.
1630 2006-06-09 Mike Stump <mrs@apple.com>
1632 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1634 2006-06-09 David Daney <ddaney@avtrex.com>
1636 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1638 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1640 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1642 2006-06-09 Richard Guenther <rguenther@suse.de>
1644 PR tree-optimization/26998
1645 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1646 of signed types, only TYPE_MIN_VALUE is special, but for both,
1647 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1648 in this case, as is -fwrapv.
1650 2006-06-08 Mike Stump <mrs@apple.com>
1653 * config/darwin.c (darwin_asm_output_anchor): Disable
1654 -fsection-anchors on darwin for now.
1655 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1656 * rs6000/rs6000.c (optimization_options): Likewise.
1658 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1661 * config/i386/i386.c (classify_argument): Skip fields with invalid
1664 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1666 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1667 (cse_insn): Likewise for the stack_pointer_rtx.
1669 2006-06-08 Roger Sayle <roger@eyesopen.com>
1671 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1672 conditions from floating point comparisons.
1674 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1677 * expmed.c (struct alg_hash_entry): Fix type of field T
1678 to match synth_mult argument.
1679 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1681 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1684 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1687 2006-06-08 Richard Guenther <rguenther@suse.de>
1690 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1691 only, if overflow is defined and not trapping.
1692 (negate_expr): Likewise.
1694 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1696 PR tree-optimization/27872
1697 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1698 flag on the new exit edge of the unrolled loop.
1700 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1702 PR rtl-optimization/26449
1703 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1705 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1708 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1709 referenced_variables with matching DECL_UID's.
1710 (find_referenced_vars): Make sure duplicate list is empty to start.
1711 (referenced_var_p): Remove.
1712 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1713 Check if var is in the list, and add if needed. Update the duplicate
1714 list if a different var is in the list with the same DECL_UID.
1715 (add_referenced_var): Call routine to check and insert.
1716 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1717 * tree-flow.h (referenced_vars_dup_list): External declaration.
1719 2006-06-07 Fred Fish <fnf@specifix.com>
1721 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1724 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1727 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1728 the imaginary and real parts of a clobbered register.
1729 Emit insn to set the imaginary part.
1731 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1733 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1734 in lieu of unwind-dw2-fde.c.
1736 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1738 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1740 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1743 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1744 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1745 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1746 V4SImode temporaries and operations instead.
1748 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1750 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1753 2006-06-06 Mike Stump <mrs@apple.com>
1755 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1756 installing during build.
1758 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1760 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1762 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1763 * config/ia64/ia64.c (params.h): New header.
1764 (ia64_optimization_options): New function to adjust parameters.
1765 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1766 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1767 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1769 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1771 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1773 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1776 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1778 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1779 Victor Kaplansky <victork@il.ibm.com>
1781 PR tree-optimization/26360
1782 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1785 2006-06-04 Roger Sayle <roger@eyesopen.com>
1786 Andrew Pinski <pinskia@physics.uc.edu>
1789 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1790 for LABEL_DECL before calling DECL_WEAK.
1793 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1794 LABEL_DECL and PARM_DECL.
1796 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1800 * c-decl.c (grokdeclarator): Disallow variably modified types at
1801 file scope. Avoid marking shared array type of constant size as
1804 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1807 * c-common.c (fold_offsetof_1): Handle static members.
1809 2006-06-04 Eric Christopher <echristo@apple.com>
1811 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1812 (debug_rli): Output value for remaining_in_alignment.
1813 (update_alignment_for_field): Unconditionalize
1814 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1815 extra alignment code.
1816 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1817 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1818 * tree.h (record_layout_info_s): Remove prev_packed.
1819 * doc/extend.texi (ms_struct): Add documentation of format.
1821 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1823 * tree.h: Declare folding_initializer.
1824 * builtins.c (fold_builtin_constant_p): Give definite answer
1825 if folding inside an initializer.
1826 * fold-const.c: Define folding_initializer.
1827 (START_FOLD_INIT): Save and then set folding_initializer.
1828 (END_FOLD_INIT): Restore folding_initializer.
1830 2006-06-04 Richard Guenther <rguenther@suse.de>
1832 PR tree-optimization/27039
1833 * fold-const.c (fold_comparison): Handle pointer comparison
1834 again for all comparison codes. Compare offsets in signed
1836 (fold_binary): Move code from here.
1838 2006-06-03 Roger Sayle <roger@eyesopen.com>
1841 * config/i386/i386.c (construct_container): Split static issued_error
1842 flag into issued_sse_arg_error, issued_sse_ret_error and
1843 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1844 requires the use of x87 registers and the user explicitly
1845 specified the -mno-80387 command line option.
1847 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1849 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1850 HAVE_DECL_SIGALTSTACK.
1852 (segv_handler): Use MC_FLD.
1853 * configure.ac: Check for a sigaltstack declaration.
1854 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1855 * configure: Regenerate.
1856 * config.in: Regenerate.
1858 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1861 * Makefile.in (stmp-fixinc): Fix typo.
1863 2006-06-02 Roger Sayle <roger@eyesopen.com>
1865 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1866 are type correct. Clean-up.
1867 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1868 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1870 2006-06-01 DJ Delorie <dj@redhat.com>
1872 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1873 shift, as we've disabled the "switch" insn that needs it.
1875 2006-06-01 Per Bothner <bothner@bothner.com>
1877 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1878 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1879 * c-ppoutput.c (cb_define): Don't increment line 0.
1881 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1883 * doc/invoke.texi: Add cpu_type power6.
1884 * config.gcc: Add cpu_type power6.
1885 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1886 to power5+ with Altivec.
1887 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1888 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1890 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1892 * config/avr/avr.h (SET_ASM_OP): Define.
1894 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1896 * config/bfin/bfin.c: Fix comment typos.
1898 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1901 * doc/install.texi: Document --enable-bootstrap and
1902 --disable-bootstrap.
1904 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1906 * doc/install.texi: Document that InfoZIP can replace jar.
1908 2006-05-31 Roger Sayle <roger@eyesopen.com>
1910 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1911 isn't available, directly generate the simpler x87 patterns without
1912 the (use (const_int 0)).
1913 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1914 implementation isn't available.
1915 (*negdf2_1): Likewise.
1916 (*negxf2_1): XF mode negation is always done using the x87.
1917 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1919 2006-05-31 Roger Sayle <roger@eyesopen.com>
1921 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1922 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1924 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1926 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1928 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1929 * config/bfin/bfin.c (basic-block.h): Include.
1930 (struct machine_function): New.
1931 (bfin_init_machine_status): New.
1932 (override_options): Initialize init_machine_status.
1933 (bfin_hardware_loop): New.
1934 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1935 (DEF_VEC_P (loop_info)): New.
1936 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1937 (struct loop_info): New.
1938 (loop_info): New typedef.
1939 (struct loop_work): New.
1940 (loop_work): New typedef.
1941 (DEF_VEC_O (loop_work)): New.
1942 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1943 (bfin_dump_loops): New.
1944 (bfin_bb_in_loop): New.
1945 (bfin_scan_loop): New.
1946 (bfin_optimize_loop): New.
1947 (bfin_reorg_loops): New.
1948 (bfin_reorg): Use bfin_reorg_loops.
1949 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1951 (I_REGNO_P): Simplify.
1952 (DP_REGNO_P, DPREG_P): New macros.
1953 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1954 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1955 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1956 Add LT_REGS, LC_REGS, LB_REGS.
1957 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1959 (REGNO_REG_CLASS): Deal with loop registers.
1960 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1962 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1963 New constants for loop registers.
1964 (UNSPEC_LSETUP_END): New.
1965 (seq_insns): New define_attr. Set it for appropriate insns.
1966 (movsi_insn): Add alternatives for move from/to
1967 loop count registers.
1968 (doloop_end): New define_expand.
1969 (loop_end): New define_insn.
1970 (define_split for bad doloop_end): New.
1971 (lsetup_with_autoinit): New define_insn.
1972 (lsetup_without_autoinit): New define_insn.
1973 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1974 * config/bfin/predicates.md (lc_register_operand): New.
1975 (lt_register_operand): New.
1976 (lb_register_operand): New.
1977 (nondp_register_operand): New.
1978 (nondp_reg_or_memory_operand): New.
1979 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1981 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1983 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1984 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1986 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1988 * Makefile.in (CATALOGS): Add po/ prefix.
1989 * configure: Regenerated.
1991 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1994 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1995 a shift operand before calling shift_op. Avoid redundant call of
1998 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1999 DJ Delorie <dj@redhat.com>
2001 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2002 we're inserting is a singlt-bit constant.
2004 2006-05-30 Roger Sayle <roger@eyesopen.com>
2006 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2007 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2009 2006-05-30 Roger Sayle <roger@eyesopen.com>
2011 PR tree-optimization/23452
2012 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2013 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2014 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2015 complex values and with -ffast-math for FP complex values.
2017 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2019 * c-common.h: Remove the prototype for yyparse.
2020 * rtl.h: Remove the prototype for init_loop.
2022 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2024 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2027 2006-05-30 Roger Sayle <roger@eyesopen.com>
2029 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2031 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2032 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2034 2006-05-30 Dirk Mueller <dmueller@suse.de>
2037 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2038 for CONSTANT_CLASS_P expresisons.
2040 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2043 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2045 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2047 PR tree-optimization/27779
2048 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2049 initial_condition instead of CHREC_LEFT.
2051 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2053 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2054 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2055 Make prototypes ISO C90.
2057 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2058 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2060 * see.c (see_analyze_one_def): Correct check.
2061 (see_get_extension_data): Check if extension is parallel.
2062 (see_get_extension_reg): Likewise.
2064 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2067 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2068 into register for (code == GTU).
2070 2006-05-29 Roger Sayle <roger@eyesopen.com>
2072 PR tree-optimization/24964
2073 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2074 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2075 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2076 abs(x)*abs(x) as x*x for scalar floating point modes.
2078 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2081 * lambda-code.c (perfect_nestify): Don't copy statements
2082 in the inner loop: move them to the inner loop header.
2084 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2087 * c-tree.texi: Document OpenMP directives and clauses.
2089 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2091 * varasm.c (globalize_decl): Fix indentation.
2093 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2096 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2097 pass_fre, pass_store_ccp, pass_copy_prop,
2098 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2099 pass_return_slot, pass_object_size, pass_lim,
2100 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2101 pass_loop_prefetch and pass_stdarg.
2103 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2105 * config/bfin/bfin.opt (mfdpic): New option.
2106 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2107 (EXTRA_MULTILIB_PARTS): Likewise.
2108 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2109 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2111 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2112 (CRT_CALL_STATIC_FUNCTION): New.
2113 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2115 (CRT_CALL_STATIC_FUNCTION): New.
2116 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2118 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2119 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2120 (initialize_trampoline): Changed to handle FD-PIC code generation.
2121 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2122 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2123 (override_options): Disallow -mid-shared-library -mfdpic combination.
2124 Can't do unaligned ops if FD-PIC.
2125 Turn off flag_pic if trying to generate non-id-shared-library
2126 non-fdpic code, since it's not supported.
2127 (bfin_assemble_integer): New function.
2128 (TARGET_ASM_INTEGER): Define.
2129 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2131 * config/bfin/crtn.s: Restore them.
2132 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2134 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2135 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2136 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2137 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2138 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2140 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2141 FDPIC_REGS and FDPIC_FPTR_REGS.
2142 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2143 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2144 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2145 (load_funcdescsi): New pattern.
2146 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2147 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2148 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2150 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2152 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2155 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2157 * tree-flow.h: Remove the prototype for add_type_alias.
2158 * tree-ssa-alias.c (add_type_alias): Remove.
2160 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2162 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2163 config/fr30/fr30.md, config/i386/i386-interix.h,
2164 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2165 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2166 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2167 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2168 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2169 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2170 Follow spelling conventions.
2171 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2172 Follow spelling conventions.
2174 2006-05-27 Richard Guenther <rguenther@suse.de>
2177 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2178 to produce a constant of value 1 of generic type.
2180 2006-05-27 Dirk Mueller <dmueller@suse.de>
2182 * cgraphunit.c (decide_is_function_needed): Fix wrong
2185 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2187 PR rtl-optimization/27661
2188 * reload.c (find_reloads): When reloading a VOIDmode constant
2189 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2190 use Pmode as mode of the reload register.
2192 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2194 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2195 is enabled at -O and above.
2197 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2200 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2203 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2206 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2207 for anonymous variables explicitly declared by front ends.
2209 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2211 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2212 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2213 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2214 ref-all pointers, run a finalization pass for them.
2215 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2216 (finalize_ref_all_pointers): New function.
2217 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2218 regular pointer type to a ref-all pointer type.
2219 (get_tmt_for): Return the special memory tag for ref-all pointers.
2221 2006-05-25 Richard Guenther <rguenther@suse.de>
2224 * fold-const.c (fold_binary): Do not look at the stripped
2225 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2227 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2229 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2230 for LT and GT if the computed range is effectively empty.
2232 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2235 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2236 mips_quad_format formats instead of ieee_single_format,
2237 ieee_double_format and ieee_quad_format formats, respectively.
2239 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2241 PR tree-optimization/27639
2242 PR tree-optimization/26719
2243 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2244 call to scev_probably_wraps_p.
2245 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2246 used_in_pointer_arithmetic_p, convert_step): Removed.
2247 (nowrap_type_p): New function.
2248 (scev_probably_wraps_p): Rewritten.
2249 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2250 chrec_convert if chrec_convert_aggressive might have been used.
2251 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2252 scev_direction): New functions.
2253 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2254 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2255 instead of convert_step.
2256 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2257 (convert_step): Declaration removed.
2258 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2260 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2262 * df-core.c: Added to header comments.
2263 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2264 df_ur_bb_info, df_urec_bb_info): Added comments.
2265 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2266 urec, ri problems): Fixed header comments.
2267 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2268 code from df_rd_transfer_function.
2270 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2272 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2273 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2274 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2276 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2278 * expr.c (undefined_operand_subword_p): New.
2279 (emit_move_multi_word): Do not generate move from undefined bits
2280 of a paradoxical subreg.
2282 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2284 PR rtl-optimization/27736
2285 * combine.c (replaced_rhs_value): New variable.
2286 (combine_instructions): Set it.
2287 (distribute_notes): When distributing a note in replaced_rhs_insn,
2288 check whether the value was used in replaced_rhs_value.
2290 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2293 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2294 add_referenced_var instead of add_referenced_tmp_var.
2295 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2296 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2298 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2299 tree_optimize_tail_calls_1): Use add_referenced_var.
2300 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2301 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2302 Use add_referenced_var.
2303 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2304 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2305 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2306 Use add_referenced_var.
2307 * tree-dfa.c (struct walk_state): Remove.
2308 (find_referenced_vars): Remove walk state and vars_found hash table.
2309 (make_rename_temp): Use add_referenced_var.
2310 (find_vars_r): Pass less parameters to add_referenced_var.
2311 (referenced_var_p): New. Is var in referenced_var hash table.
2312 (referenced_var_insert): Assert var isn't already in hash table.
2313 (add_referenced_var): Don't need walk_state parameter. Add var if it
2314 isn't already in the hash table.
2315 (add_referenced_tmp_var): Remove.
2316 (find_new_referenced_vars_1): Use add_referenced_var.
2317 * tree-ssa-pre.c (create_expression_by_pieces,
2318 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2319 Use add_referenced_var.
2320 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2321 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2322 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2324 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2325 vect_create_data_ref_ptr, vect_create_destination_var,
2326 vect_init_vector, vect_build_loop_niters,
2327 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2328 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2329 Use add_referenced_var.
2330 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2331 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2332 (add_referenced_var): Add prototype.
2333 * tree-ssa-structalias.c (get_constraint_for,
2334 intra_create_variable_infos): Use add_referenced_var.
2336 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2338 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2339 big-endian paradoxical subregs.
2340 * var-tracking.c (struct micro_operation_def): Document that,
2341 for modify micro operations, insn is the subsequent instruction.
2342 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2343 (var_reg_set, var_mem_set): ... new functions.
2344 (add_stores): Record subsequent insn.
2345 (compute_bb_dataflow): Use new functions for MO_USE.
2346 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2347 notes after the insn, and modify notes before the insn known
2348 to be the subsequent one.
2349 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2351 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2354 * config/i386/i386.c (ix86_expand_builtin): Use
2355 gen_sse3_monitor64 for TARGET_64BIT.
2357 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2359 PR rtl-optimization/26375
2360 PR rtl-optimization/26855
2361 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2363 (df_ru_bb_local_compute): Reversed statements and removed bogus
2364 comment explaining why they should be in wrong order.
2365 (df_ru_dump, df_rd_dump): Enhanced debug info.
2366 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2368 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2369 reaching uses and fixed space problem.
2371 2006-05-23 Jan Hubicka <jh@suse.cz>
2373 * cgraphunit.c (decide_is_function_needed): Also nested functions
2374 and functions declared inline can be optimized out at -O0.
2376 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2378 * doc/install.texi (Configuration): Remove reference to CrossGCC
2382 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2385 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2386 ix86_compare_emitted is non-NULL.
2388 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2391 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2394 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2396 PR rtl-optimization/25514
2397 * combine.c (replaced_rhs_insn): New variable.
2398 (combine_instructions): Set replaced_rhs_insn when trying to replace
2399 a SET_SRC with a REG_EQUAL note.
2400 (distribute_notes): Use replaced_rhs_insn when determining the live
2401 range of a REG_DEAD register.
2403 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2404 Anatoly Sokolov <aesok@post.ru>
2406 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2407 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2408 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2409 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2410 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2411 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2412 at90usb647, at90usb1286 and at90usb1287 devices.
2413 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2414 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2416 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2418 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2420 2006-05-22 Richard Guenther <rguenther@suse.de>
2423 2006-01-31 Richard Guenther <rguenther@suse.de>
2424 Paolo Bonzini <bonzini@gnu.org>
2426 * doc/install.texi (--disable-libgcc-math): Document.
2428 2006-05-22 Richard Guenther <rguenther@suse.de>
2431 2006-01-31 Richard Guenther <rguenther@suse.de>
2433 * doc/invoke.texi (-msselibm): Document.
2434 * target.h (expand_library_builtin): New target hook.
2435 * builtins.c (expand_builtin): Use expand_library_builtin.
2436 (default_expand_library_builtin): New function.
2437 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2438 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2439 (link_gcc_math_spec): Declare.
2440 (static_specs): Add link_gcc_math_spec.
2441 * expr.h (default_expand_library_builtin): Declare.
2442 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2443 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2444 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2445 * config/i386/i386.opt (msselibm): New target option.
2446 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2447 (ix86_init_sse_abi_builtins): New function.
2448 (ix86_expand_library_builtin): Likewise.
2449 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2450 (override_options): Handle error conditions wrt -msselibm.
2451 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2452 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2453 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2456 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2459 * c-common.c (self_promoting_args_p): Skip erroneous args.
2462 * c-decl.c (finish_struct): Skip erroneous fields.
2464 2006-05-22 Nick Clifton <nickc@redhat.com>
2466 * config/cris/cris.opt (march): Remove VarExists attribute.
2467 (max-stackframe=): Likewise.
2469 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2471 * doc/rtl.texi: Fix a typo.
2472 * see.c: Fix comment typos.
2474 * tree-ssa-structalias.h (alias_info): Remove num_references.
2476 2006-05-21 Mike Stump <mrs@apple.com>
2478 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2480 (darwin_pragma_options): Use BAD instead.
2481 (darwin_pragma_unused): Likewise.
2482 (darwin_pragma_ms_struct): Likewise.
2484 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2486 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2488 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2490 PR rtl-optimization/27671
2491 * simplify-rtx.c (simplify_relational_operation_1): Fix
2492 simplifications of (eq/ne (xor x y) y) and
2493 (eq/ne (xor x y) x).
2495 PR tree-optimization/26622.
2496 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2499 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2501 * tree-cfg.c: Prune whitespace.
2502 (debug_tree_cfg): Point to correct header containing the
2505 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2508 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2510 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2513 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2514 or sorry count is non zero.
2516 2006-05-20 Andreas Schwab <schwab@suse.de>
2518 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2520 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2521 Kenneth Zadeck <zadeck@naturalbridge.com>
2523 PR rtl-optimization/26855
2525 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2527 (df_scan_alloc): Added code to properly handle multiword hard
2528 registers and add all_blocks parameter.
2529 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2530 code to properly handle multiword hard registers.
2531 (df_rescan_blocks): Added code to remove deleted blocks from
2533 (df_ref_create_structure, df_ref_record): Added code to properly
2535 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2536 and set DF_REF_PARTIAL.
2537 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2538 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2539 (df_scan_add_problem): Added flags parameter.
2540 (df_ref_create_structure): Changed switching structure.
2541 (df_bb_refs_record): Fixed case where duplicate artificial refs
2542 were created. Changed location of flags.
2543 (df_record_entry_block_defs): Added code to make stack pointer
2544 live in entry block. Refined cases where frame pointer is needed.
2545 Changed location of flags.
2546 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2547 (df_set_state): Removed function.
2548 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2549 df_insn_create_insn_record, df_insn_refs_delete,
2550 df_ref_create_structure): Formatting changes.
2551 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2552 df_delete_basic_block): New function.
2553 (df_init): Changed location of flags.
2554 (df_add_problem): Added flags parameter and the way flags are
2556 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2557 debug_df_chain): Improved debugging output.
2558 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2559 (df_refs_chain_dump): Removed df parameter.
2560 (df_iterative_dataflow): Added consistency check.
2561 (df_prune_to_subcfg): Made public.
2562 (df_analyze_problem): Added blocks_to_init parameter and made
2564 (df_ref_record, df_bb_refs_record, df_mark_reg,
2565 df_record_exit_block_uses): Whitespace changes.
2566 (df_dump): Whitespace changes.
2567 * df.h: Some reordering to remove forward references.
2568 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2569 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2570 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2571 (dataflow.flags): New field.
2572 (df.flag): Deleted field.
2573 (df_alloc_function): Added additional bitmap parameter.
2574 (df_dependent_problem_function): New type.
2575 (df_problem.changeable_flags): New field.
2576 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2577 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2578 (df_mw_hardreg): New struct.
2579 (DF_INSN_UID_MWS): New macro.
2580 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2582 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2583 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2584 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2585 (df_set_state): Removed function.
2586 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2587 * df-problems.c (df_chain_dump): Removed df parameter.
2588 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2589 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2591 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2592 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2593 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2594 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2595 DF_REF_MUST_CLOBBER cases.
2596 (df_ru_bb_local_compute_process_def,
2597 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2598 df_lr_bb_local_compute, df_ur_bb_local_compute,
2599 df_chain_create_bb): Made subreg aware.
2600 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2601 df_lr_bb_local_compute, df_lr_bb_local_compute,
2602 df_chain_create_bb): Cleanup to use proper macros.
2603 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2604 code to fixup bitvectors.
2605 (df_ri_alloc): Cleared lifetime.
2606 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2607 df_create_unused_note): New function.
2608 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2609 REG_DEAD and REG_UNUSED notes as well as register information.
2610 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2611 df_chains_dump): Fixed crash if problem was never run.
2612 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2613 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2614 df_ri_add_problem): Processes flags in uniform manner.
2615 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2616 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2617 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2618 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2619 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2620 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2621 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2622 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2623 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2624 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2625 * see.c (see_initialize_data): Ditto.
2626 * final.c (rest_of_clean_state) Added regstack_completed.
2627 * rtl.h (regstack_completed): Ditto.
2628 * reg-stack.c (regstack_completed): Ditto.
2630 2006-05-19 Mike Stump <mrs@apple.com>
2632 * c-tree.h (default_conversion): Remove.
2633 * c-common.h (default_conversion): Add.
2635 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2637 * tree-vrp.c (valid_value_p): New function.
2638 (adjust_range_with_scev): Fail if the value of bound is not
2641 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2643 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2644 (mips_fallback_frame_state): Use syscall numbers to determine
2645 the appropriate li instruction for the current ABI. Only use
2646 __NR_sigreturn for o32.
2648 2006-05-19 Nicolas Setton <setton@adacore.com>
2650 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2651 * langhooks.c (lhd_dwarf_name): New function.
2652 * langhooks-def.h (lhd_dwarf_name): Declare.
2653 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2654 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2655 * ada/misc.c (gnat_dwarf_name): New function.
2656 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2658 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2660 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2662 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2663 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2664 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2665 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2666 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2667 determine the size of Wtype, etc.
2668 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2669 (swfloatfuncs): New variable.
2670 (dwfloatfuncs): Likewise.
2671 (lib2funcs): Remove floating-point conversion functions from
2672 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2673 the set of conversion routines needed. Allow entries to specify
2674 an object name, filename and word size. Update users accordingly.
2675 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2676 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2680 2006-02-08 Roger Sayle <roger@eyesopen.com>
2683 * config/fixtfdi.c: New libgcc source file.
2684 * config/fixunstfdi.c: New source file.
2685 * config/floatditf.c: New source file.
2686 * config/floatunditf.c: New souce file.
2687 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2688 files above instead of config/mips/_tilib.c.
2689 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2691 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2693 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2694 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2696 2006-05-18 Mike Stump <mrs@apple.com>
2698 Fix up vla, vm and [*] sematics.
2704 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2705 (c_vla_unspec_p): Add.
2706 (c_vla_type_p): Add.
2707 * c-decl.c (struct c_scope): Add had_vla_unspec.
2708 (build_array_declarator): Add support for [*].
2709 (grokdeclarator): Likewise.
2710 (grokparms): Likewise.
2711 (get_parm_info): Likewise.
2712 * c-objc-common.c (c_vla_unspec_p): Likewise.
2713 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2714 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2715 typeof when argument is a variably modified type not inside sizeof or alignof.
2716 (c_parser_direct_declarator_inner): Propagate errors.
2717 (c_parser_sizeof_expression): Add support for [*].
2718 (c_parser_parms_declarator): Initialize had_vla_unspec.
2719 (c_parser_parms_list_declarator): Likewise.
2720 * c-typeck.c (c_vla_type_p): Add.
2721 (composite_type): Add support for vla compositing.
2722 (comptypes_internal): Add support for vla compatibility.
2723 (c_expr_sizeof_expr): Evaluate vla arguments.
2724 * tree.c (variably_modified_type_p): Update comment for [*].
2726 2006-05-18 Michael Matz <matz@suse.de>
2729 * config.host: Make assignments to host_xmake_file cumulative.
2730 * config.host (*-darwin*): Test $host, not $target.
2732 2006-05-12 Stuart Hastings <stuart@apple.com>
2734 * config/i386/i386.opt (-mstackrealign): New flag.
2735 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2736 (ix86_handle_cconv_attribute): Emit error when
2737 force_align_arg_pointer attribute collides with too many regparms.
2738 (ix86_function_regparm): Limit regparms when used with
2739 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2740 Support stack-realigning prologue in non-main functions. Emit
2741 warning for nested functions under -mstackrealign, emit error for
2742 nested functions with force_align_arg_pointer attribute.
2743 * doc/extend.texi (force_align_arg_pointer): Document it.
2744 * doc/invoke.texi (-mstackrealign): Document it.
2746 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2748 PR rtl-optimization/27477
2749 * combine.c (try_combine): Don't split a parallel consisting
2750 of two sets into two individual sets if both sets reference
2753 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2755 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2756 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2758 * doc/options.texi (VarExists): Updated.
2760 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2762 * unwind-dw2.c: Add declarations for uw_update_context and
2764 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2765 detected, advance frame state and context once to skip over stub.
2767 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2771 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2772 Call rewrite_into_loop_closed_ssa only when something changed.
2773 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2774 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2775 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2776 Test for perfect_nest_p here. Fix formating.
2777 (replace_uses_equiv_to_x_with_y): Fix formating.
2778 (stmt_uses_op): Removed.
2779 (can_convert_to_perfect_nest): Removed loopivs parameter.
2780 Complete the test by checking the scalar dependences.
2781 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2784 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2787 From Dan Kegel <dank@kegel.com>:
2788 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2790 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2792 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2793 if the element type is variably modified without recursing.
2795 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2798 * tree-loop-linear.c (try_interchange_loops): Test for
2799 no data dependences.
2801 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2803 PR tree-optimization/27548
2804 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2805 range of ssa names that appear on abnormal edges.
2806 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2807 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2809 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2812 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2814 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2817 * tree.h (OMP_PARALLEL_COMBINED): Define.
2818 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2819 (new_omp_context): Add is_combined_parallel argument.
2820 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2821 new_omp_context caller.
2822 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2823 Adjust gimplify_scan_omp_clauses callers.
2824 (omp_is_private): Issue errors if iteration variable is firstprivate
2825 or reduction in the current context.
2826 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2827 on combined parallel workshare constructs.
2829 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2831 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2832 (gcc-options.o): New rule.
2834 * optc-gen.awk: Protect variables for gcc-options.o with
2835 #ifdef GCC_DRIVER/#endif.
2837 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2839 Fix PR tree-optimization/27373
2840 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2841 (forward_propagate_addr_expr): Update call.
2843 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2845 * doc/options.texi: Move the Negative option.
2847 2006-05-16 Richard Guenther <rguenther@suse.de>
2849 PR tree-optimization/22303
2850 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2852 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2853 ccp_fold did not simplify the statement.
2855 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2858 * Makefile.in (GCC_OBJS): New.
2859 (OBJS-common): Add opts-common.o.
2860 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2861 (cpp$(exeext)): Likewise.
2862 (gcc.o): Also depend on opts.h.
2863 (opts-common.o): New.
2865 * common.opt (gcoff): Add Negative(gdwarf-2).
2866 (gdwarf-2): Add Negative(gstabs).
2867 (gstabs): Add Negative(gstabs+).
2868 (gstabs+): Add Negative(gvms).
2869 (gvms): Add Negative(gxcoff).
2870 (gxcoff): Add Negative(gxcoff+).
2871 (gxcoff+): Add Negative(gcoff).
2872 * config/i386/i386.opt (m32): Add Negative(m64).
2873 (m64): Add Negative(m32).
2875 * doc/options.texi: Document the Negative option.
2877 * gcc.c: Include "opts.h".
2878 (main): Call prune_options after expandargv.
2880 * optc-gen.awk: Generate common declarations for all flag
2881 variables in options.c. Output the neg_index field.
2883 * opts.c (find_opt): Moved to ...
2884 * opts-common.c: Here. New file.
2886 * opts.h (cl_option): Add a neg_index field.
2888 (prune_options): Likewise.
2890 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2893 * omp-low.c (expand_omp_parallel): Don't assert
2894 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2895 instead search for it.
2898 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2901 2006-05-16 Andreas Schwab <schwab@suse.de>
2903 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2906 2006-05-15 Roger Sayle <roger@eyesopen.com>
2909 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2910 integer constants other than zero are only legitimate on TARGET_64BIT.
2911 <CONST_VECTOR> Only zero vectors are legitimate.
2912 (ix86_cannot_force_const_mem): Integral and vector constants can
2913 always be put in the constant pool.
2915 2006-05-16 DJ Delorie <dj@redhat.com>
2917 * crtstuff.c (__dso_handle): Set section from
2918 TARGET_LBIGCC_SDATA_SECTION if defined.
2919 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2920 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2922 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2925 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2928 2006-05-16 Ben Elliston <bje@au.ibm.com>
2930 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2932 2006-05-15 Per Bothner <per@bothner.com>
2934 * tree.c: (last_annotated_node): Use source_locus typedef.
2935 This permits bootstrapping with --enable-mapped-location.
2937 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2939 PR tree-optimization/26830
2940 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2941 (info_for_ssa_name, current_info_for_ssa_name_age,
2942 blocks_to_update): New variables.
2943 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2944 (clear_ssa_name_info, initialize_flags_in_bb,
2945 mark_block_for_update): New functions.
2946 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2947 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2948 prepare_def_site_for): Use mark_block_for_update.
2949 (mark_def_interesting): Assert that the processed block is marked in
2950 blocks_to_update. Do not take blocks argument.
2951 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2953 (rewrite_update_init_block, rewrite_update_stmt): Only process
2954 blocks with statements to rewrite.
2955 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2956 (update_ssa): Initialize and free blocks_to_update. Do not
2957 clear flags on statements. Do not use blocks bitmap.
2958 * tree.h (SSA_NAME_AUX): Removed.
2959 (struct tree_ssa_name): Removed aux field.
2960 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2962 2006-05-15 Richard Guenther <rguenther@suse.de>
2964 PR tree-optimization/27603
2965 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2966 Do computations in original type.
2968 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2970 * see.c: Code style changes such as redundant paranthesis,
2971 redundant intialization of local variables etc.
2972 (see_main): Declared now as static.
2973 * doc/invoke.texi: Update that -fsee is not enabled by
2976 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2978 * omp-low.c (check_omp_nesting_restrictions): New function.
2979 (scan_omp_1): Call it.
2982 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2983 construct, return *VAR.
2985 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2987 PR rtl-optimization/27406
2988 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2991 2006-05-14 Roger Sayle <roger@eyesopen.com>
2993 PR rtl-optimization/27538
2994 * combine.c (expand_compound_operation): Call gen_lowpart
2995 before calling simplify_shift_const.
2997 2006-05-14 Roger Sayle <roger@eyesopen.com>
2999 PR rtl-optimization/22563
3000 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3001 a fixed width bitfield, always force the intermediates into psuedos.
3003 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3006 * mkconfig.sh: Use operator = instead of == for test.
3008 2006-05-13 Nick Clifton <nickc@redhat.com>
3010 * dwarf2out.c (dbx_reg_number): Check return value from
3011 LEAF_REG_REMAP and only use it if it is valid.
3012 (multiple_reg_loc_descriptor): Likewise.
3014 2006-05-13 Richard Guenther <rguenther@suse.de>
3016 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3019 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3021 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3022 information attached to non-INSNs such as NOTEs.
3023 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3025 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3027 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3029 * config/s390/s390.md: Adjust comment describing On constraint.
3031 2006-05-11 Jan Hubicka <jh@suse.cz>
3033 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3034 to be output at -O0.
3036 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3039 * fold-const.c (size_binop): Move sanity check for arguments to
3040 the beginning of the function.
3043 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3046 2006-05-11 Richard Guenther <rguenther@suse.de>
3049 * fold-const.c (fold_unary): Handle intermediate conversion
3050 to a pointer type like intermediate conversion to an integer
3051 type in folding of (T1)(T2)var to var.
3052 Match the code to the comment in the final conversion for
3053 (T1)(T2)var to (T1)var regarding to type precision. Rather
3054 than disallow T1 being of pointer type, assert that both T1
3055 and var are of pointer type or not. Make sure not to fall
3056 over the frontends lazyness wrt array to pointer decay though.
3058 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3060 * arm.c (arm_struct_value_rtx): Delete.
3061 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3062 (arm_init_cumulative_args): Always initialize nregs to zero.
3064 2006-05-10 Richard Guenther <rguenther@suse.de>
3066 PR tree-optimization/27532
3067 * tree-object-size.c (plus_expr_object_size): Fix typo.
3069 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3072 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3073 ashrdi_const, ashrdi3): Use a scratch register.
3075 2006-05-10 Richard Guenther <rguenther@suse.de>
3077 PR tree-optimization/27302
3078 * fold-const.c (operand_equal_p): For two comparisons,
3079 try comparison of one comparison code swapped if that yields
3082 2006-05-10 Ben Elliston <bje@au.ibm.com>
3084 * tree-pretty-print.c (pretty_print_string): No need to handle
3085 '\0' as a special character.
3087 * tree.h: Include "hashtab.h".
3088 (iterative_hash_expr): Use hashval_t in its prototype.
3089 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3091 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3094 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3095 (hppa*64*-*-hpux11*): Ditto.
3096 (hppa[12]*-*-hpux11*): Ditto.
3098 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3101 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3103 2006-05-09 Michael Matz <matz@suse.de>
3105 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3106 host_extra_gcc_objs and host_xmake_file.
3107 (<*-*-linux*>): Don't overwrite host_xmake_file.
3108 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3109 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3110 (host_detect_local_cpu): Declare.
3111 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3112 * config/i386/i386.c (override_options): Handle -mtune=native
3114 * config/i386/x-i386: New file.
3115 * config/i386/driver-i386.c: New file.
3116 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3119 2006-05-09 Dirk Mueller <dmueller@suse.de>
3120 Richard Guenther <rguenther@suse.de>
3123 * fold-const.c (fold_read_from_constant_string): Relax check
3124 for matching types to matching modes.
3126 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3128 PR rtl-optimization/27335
3129 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3132 2006-05-08 Chao-ying Fu <fu@mips.com>
3133 Richard Sandiford <richard@codesourcery.com>
3135 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3136 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3137 * config/mips/mips.md (UNSPEC_SCC): New constant.
3138 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3139 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3140 (mips_emit_compare): Use it.
3141 (mips_expand_vcondv2sf): New function.
3143 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3145 Fix PR tree-optimization/27093
3146 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3147 renaming when they become not-used_alone.
3149 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3151 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3152 relocation and relocation stubs.
3154 2006-05-08 Eric Christopher <echristo@apple.com>
3156 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3159 2006-05-08 Jan Hubicka <jh@suse.cz>
3162 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3163 unused static functions are needed.
3165 2006-05-08 Roger Sayle <roger@eyesopen.com>
3168 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3169 of a reg_equiv_constant if the result is a legitimate constant.
3171 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3174 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3175 standard 80387 constants, raise the cost to prevent
3176 compress_float_constant() to generate load from memory.
3178 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3180 * config/arm/constraints.md (c): Fix a typo.
3182 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3185 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3188 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3190 (_mm_mwait): Likewise.
3192 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3194 (sse3_monitor): Make it 32bit only.
3195 (sse3_monitor64): New. 64bit monitor.
3197 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3200 * config/i386/i386.c (classify_argument): Skip fields with invalid
3203 2006-05-07 Richard Guenther <rguenther@suse.de>
3205 PR tree-optimization/27409
3206 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3207 Do not try to find zero-sized subvars.
3209 2006-05-07 Richard Guenther <rguenther@suse.de>
3211 PR tree-optimization/27136
3212 * tree-ssa-loop-niter.c (get_val_for): Correct function
3213 comment, assert requirements.
3214 (loop_niter_by_eval): Stop processing if the iterated
3215 value did not simplify.
3217 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3219 * opts.c (flag_see): remove its setting at -O3.
3221 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3223 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3224 * arm/constraints.md: New file.
3225 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3226 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3227 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3228 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3229 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3230 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3231 * arm.md: Include constraints.md.
3232 (thumb_movsi_insn): Use satisfies_constraint_J.
3233 (movhi, movqi): Use satisfies_constraint_I.
3235 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3237 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3238 for atmeg a645 device.
3240 2006-05-06 Richard Guenther <rguenther@suse.de>
3242 PR tree-optimization/27151
3243 * tree-vect-transform.c (vectorizable_condition): Punt on
3244 values that have a different type than the condition.
3246 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3249 * c-parser.c (c_parser_cast_expression): Only insert casts into
3250 hash table if pointer.
3251 * function.c (used_types_insert_helper): Rename from
3253 (used_types_insert): Call used_types_insert_helper.
3254 * function.h (used_types_insert): Accept only one argument.
3256 2006-05-05 David Edelsohn <edesohn@gnu.org>
3258 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3259 scratch with output modifier.
3261 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3264 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3265 with output modifier.
3267 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3270 * config/mips/mips.c (mips_symbolic_address_p): Return true
3271 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3272 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3274 2006-05-04 Richard Guenther <rguenther@suse.de>
3276 PR tree-optimization/14287
3277 PR tree-optimization/14844
3278 PR tree-optimization/19792
3279 PR tree-optimization/21608
3280 PR tree-optimization/27090
3281 * tree-ssa-pre.c (try_combine_conversion): New function.
3282 (compute_avail): After constructing the value-handle
3283 expression, use try_combine_conversion to combine NOP_EXPRs
3284 with previous value-handle expressions and use the result if it
3287 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3289 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3291 2006-05-04 Jan Hubicka <jh@suse.cz>
3294 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3296 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3298 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3299 that this only matches CONST_INTs. All users changed to VOIDmode
3302 * config/bfin/bfin.c: Include "optabs.h".
3303 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3305 (enum bfin_builtins): Add a number of fractional and vector builtins.
3306 (bfin_init_builtins): Likewise.
3307 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3308 (safe_vector_operand, bfin_expand_binop_builtin,
3309 bfin_expand_unop_builtin): New functions.
3310 (bfin_expand_builtin): Handle the new builtins.
3311 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3314 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3317 * Makefile.in (OBJS-common): Add see.o.
3318 (see.o): Add dependencies.
3319 * common.opt (fsee): New flag for the see optimization was added.
3320 * opts.c (flag_see): Initialized.
3321 * passes.c (init_optimization_passes, pass_see): New pass.
3322 * rtl.h (see_main): Declaration as extern.
3323 * timevar.def (TV_SEE): New.
3324 * tree-pass.h (pass_see): Declaration as extern.
3325 * invoke.texi (-fsee): Document.
3326 * recog.c (validate_simplify_insn): New function.
3327 * recog.h (validate_simplify_insn): Declaration as extern.
3328 * df-problems.c (df_chain_dump): Check for NULL.
3330 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3331 Daniel Berlin <dberlin@dberlin.org>
3333 * cfgrtl.c (insert_insn_bb_end_new): New function.
3334 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3336 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3338 * df.h (struct web_entry): Moved from web.c.
3339 (union_defs): Declaration as extern.
3340 (unionfind_root): Likewise.
3341 (unionfind_union): Likewise.
3342 * web.c (struct web_entry): Moved to df.h.
3343 (unionfind_root): Remove static declaration.
3344 (unionfind_union): Likewise.
3345 (union_defs): Likewise and generalize to use callback function.
3346 (web_main): Update arguments for union_defs function call.
3348 2006-05-04 Richard Guenther <rguenther@suse.de>
3350 PR tree-optimization/26447
3351 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3352 produce SSA_NAME copies before the store stmt to avoid
3353 breaking exception handling.
3355 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3358 * gimplify.c (omp_is_private): If var is shared in some outer context,
3359 return false instead of true. Stop searching on parallel context
3362 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3365 * coverage.c: Use get_gcov_unsigned_t() instead of
3366 unsigned_type_node all over.
3368 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3370 PR tree-optimization/27381
3371 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3372 maintain the same immediate_use links.
3373 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3374 node rather than segfaulting.
3376 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3379 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3380 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3381 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3383 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3385 Fix PR tree-optimization/26626
3386 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3388 * tree-ssa-operands.c (access_can_touch_variable): Allow
3389 typecasting through union pointers.
3391 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3394 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3395 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3396 to find if var will be a global variable even in the nested context.
3397 (omp_copy_decl): Only check for global variable at the end, it might
3398 be overridden in outer contexts.
3399 (scan_sharing_clauses): For global variables don't create a field.
3400 (lower_rec_input_clauses): Do nothing for global shared variables.
3401 Emit a barrier at the end of ILIST if there were any decls in both
3402 firstprivate and lastprivate clauses.
3403 (lower_send_clauses): Do nothing for global variables except for
3406 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3408 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3409 of the correct signedness is returned.
3411 2006-05-02 Jeff Law <law@redhat.com>
3413 PR tree-optimization/27364
3414 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3415 multiply expressions.
3417 2006-05-02 Tom Tromey <tromey@redhat.com>
3419 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3421 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3424 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3425 -mthumb -fPIC are used.
3427 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3428 Joshua Kinard <kumba@gentoo.org>
3431 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3432 with 64-bit pointers.
3434 2006-05-02 Paul Brook <paul@codesourcery.com>
3436 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3438 (create_fix_barrier): Check that a suitable barrier location is
3440 (arm_reorg): Include ftmp->address in allowable range of addresses.
3442 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3445 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3448 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3451 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3452 around RESULT_DECL for result passed by reference.
3453 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3454 * omp-low.c (use_pointer_for_field): Don't look at
3455 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3456 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3457 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3458 time or var for passing by reference for
3459 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3460 TREE_ADDRESSABLE variables when passing by reference.
3462 * omp-low.c (dump_omp_region): Fix output formatting.
3465 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3466 (expand_omp_parallel): Likewise.
3467 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3470 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3471 on statement list containing also constructors and destructors.
3472 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3475 * except.c (duplicate_eh_regions): Fix clearing of
3476 cfun->eh->region_array entries.
3478 2006-05-01 DJ Delorie <dj@redhat.com>
3480 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3482 (gcc_cv_objdump): Likewise.
3483 * configure: Regenerated.
3485 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3488 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3489 templates for case 3 and 4.
3491 2006-05-01 DJ Delorie <dj@redhat.com>
3493 * vec.c: Include bconfig.h when appropriate.
3494 * Makefile.in (build/vec.o): Adjust dependencies.
3495 * mkconfig.sh: Make sure config.h isn't used for build machine
3498 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3500 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3502 (mark_phi_for_rewrite): New function.
3503 (insert_phi_nodes_for, mark_use_interesting): Call
3504 mark_phi_for_rewrite.
3505 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3506 (update_ssa): Initialize and free phis_to_rewrite.
3508 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3510 PR rtl-optimization/27291
3511 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3512 folded to a constant.
3514 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3516 PR tree-optimization/27283
3517 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3518 not whole # of iteration descriptions.
3519 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3520 uses abnormal ssa name.
3521 (niter_for_single_dom_exit): Ditto.
3522 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3523 return just the number of iterations.
3525 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3527 PR tree-optimization/27144
3528 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3529 (record_estimate): Only record constant upper bound.
3530 (infer_loop_bounds_from_undefined): Call
3531 compute_estimated_nb_iterations just once.
3532 (proved_non_wrapping_p): Renamed to ...
3533 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3534 (convert_step_widening, scev_probably_wraps_p): Call
3535 n_of_executions_at_most instead of proved_non_wrapping_p.
3536 (substitute_in_loop_info): Do not replace values in bounds.
3537 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3540 2006-05-01 Richard Henderson <rth@redhat.com>
3543 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3544 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3547 2006-05-01 Roger Sayle <roger@eyesopen.com>
3549 * c-typeck.c (parser_build_binary_op): Don't call the function
3550 unsigned_conversion_warning to spot operand/result type overflow.
3551 (build_binary_op): Instead, call convert_and_check instead of
3552 convert to report the problem when the operands are promoted.
3553 * c-common.c (unsigned_conversion_warning): Make static.
3554 * c-common.h (unsigned_conversion_warning): Delete prototype.
3556 2006-05-01 Richard Guenther <rguenther@suse.de>
3558 PR tree-optimization/26726
3559 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3561 (find_interesting_uses_address): ... we work around here
3562 by folding INDIRECT_REFs in the substituted base.
3564 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3566 * omp-low.c (dump_omp_region): Add newlines.
3568 2006-04-30 Roger Sayle <roger@eyesopen.com>
3570 * common.opt (Woverflow): New command line option.
3571 * c-common.c (constant_expression_warning): Check warn_overflow.
3572 (overflow_waring): Pass OPT_Woverflow to warning.
3573 (unsigned_conversion_warning): Likewise.
3574 (convert_and_check): Likewise.
3575 * doc/invoke.texi: Document new command line option.
3577 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3579 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3580 TARGET_NO_FP_IN_TOC for section anchors.
3581 (optimization_options): Enable section anchors for all
3582 non-"Objective" languages.
3584 2006-04-28 Eric Christopher <echristo@apple.com>
3586 * config/darwin-c.c (darwin_ms_struct): Move this
3587 (darwin_set_default_type_attributes): and this...
3588 * config/darwin.c: ... here.
3589 * config/darwin.h (darwin_ms_struct): Declare.
3591 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3593 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3595 2006-04-28 Roger Sayle <roger@eyesopen.com>
3598 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3599 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3600 an unsigned HOST_WIDE_INT.
3601 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3603 (really_start_incremental_init): No need to call convert because
3604 bitsize_zero_node is already of type bitsizetype.
3605 (push_init_level): Extract the value of constructor_index as an
3606 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3607 (process_init_element): Likewise.
3609 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3611 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3612 value before passing to make_relative_prefix.
3614 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3617 * builtins.c (expand_builtin_memset): Expand val in original mode.
3619 2006-04-27 Eric Christopher <echristo@apple.com>
3621 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3622 with #ifndef/#endif.
3623 * config/darwin-c.c (darwin_ms_struct): New.
3624 (darwin_pragma_ms_struct): Ditto.
3625 (darwin_set_default_type_attributes): Ditto.
3626 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3627 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3628 Register ms_struct pragma.
3629 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3630 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3631 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3632 darwin_set_default_type_attributes if TARGET_MACHO.
3634 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3636 PR tree-optimization/26854
3637 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3638 * doc/tree-ssa.texi: Update immuse iterator documentation.
3639 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3640 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3641 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3642 first_safe_imm_use, next_safe_imm_use): Remove.
3643 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3644 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3645 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3646 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3647 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3648 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3649 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3650 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3651 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3652 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3653 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3654 (perfect_nestify): Use new iterator.
3655 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3657 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3658 (next_imm_name): New field in struct immediate_use_iterator_d.
3659 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3660 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3661 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3662 * tree-cfg.c (replace_uses_by): Use new iterator.
3663 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3664 * tree-ssa-operands.c (correct_use_link): Remove.
3665 (finalize_ssa_use_ops): No longer call correct_use_link.
3667 2006-04-27 Stuart Hastings <stuart@apple.com>
3669 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3670 * config/t-darwin (crt3.o): Use it.
3671 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3672 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3673 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3674 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3675 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3678 2006-04-27 Roger Sayle <roger@eyesopen.com>
3680 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3681 size, force the intermediate into a new pseudo rather instead of
3682 performing both a bitwise AND and a bitwise IOR in memory.
3684 2006-04-27 Richard Guenther <rguenther@suse.de>
3686 PR rtl-optimization/26685
3687 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3688 this one "max-flow-memory-locations".
3690 2006-04-27 Richard Guenther <rguenther@suse.de>
3692 PR tree-optimization/25148
3693 * tree-vrp.c (compare_values): Remove code dealing with
3694 comparisons against type min/max value. Honour overflow
3695 and negative constants in code dealing with comparisons
3696 of plus and minus expressions.
3697 (value_inside_range): Use fold_binary with LE_EXPR and
3698 GE_EXPR rather than compare_values.
3700 2006-04-27 Dirk Mueller <dmueller@suse.de>
3702 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3705 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3707 * basic-block.h (safe_insert_insn_on_edge): Removed.
3708 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3710 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3711 Paolo Bonzini <bonzini@gnu.org>
3714 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3715 (simplify_and_const_int): Same.
3717 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3719 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3721 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3724 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3725 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3726 cgraph_global_info_ready.
3729 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3732 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3733 either decl or init is error_mark_node.
3736 * tree-flow.h (struct omp_region): Add sched_kind.
3737 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3738 instead of extracting omp for data.
3739 (expand_omp_for): Save extracted sched_kind.
3741 2006-04-25 Roger Sayle <roger@eyesopen.com>
3743 * expmed.c (store_bit_field): Also check whether the bitsize is
3744 valid for the machine's "insv" instruction before moving the
3745 target into a pseudo for use with the insv.
3746 * config/i386/predicates.md (const8_operand): New predicate.
3747 * config/i386/i386.md (extv, extzv, insv): Use the new
3748 const8_operand predicate where appropriate.
3750 2006-04-25 DJ Delorie <dj@redhat.com>
3752 * doc/install.texi (Specific): Clarify that this is not a list of
3753 supported hosts or targets.
3755 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3757 PR rtl-optimization/26725
3758 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3759 block's BB_DIRTY flag.
3761 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3763 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3766 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3767 to print an integer.
3769 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3771 * varasm.c (align_variable): New function.
3772 (get_block_for_decl): Apply align_variable to DECL before
3773 calculating section information.
3774 (assemble_variable): Split out alignment computation.
3776 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3778 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3781 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3783 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3784 MODE_PARTIAL_INT mode.
3785 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3786 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3788 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3789 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3791 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3793 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3795 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3796 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3797 MACFLAG_IH): Likewise.
3798 (movstricthi_1): Renamed from "*movstricthi".
3799 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3800 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3801 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3802 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3803 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3804 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3805 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3806 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3807 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3808 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3809 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3810 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3811 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3812 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3813 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3815 * doc/rtl.texi (ss_ashift): Improve wording.
3817 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3819 * dwarf2out.c (verify_marks_clear): New.
3820 (prune_unused_types): Call verify_marks_clear initially, not
3823 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3825 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3826 * doc/rtl.texi: Document them.
3827 * simplify-rtx.c (simplify_unary_operation,
3828 simplify_binary_operation_1): Don't abort when we see them.
3830 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3833 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3834 * configure.ac: Completely disregard languages that are not
3836 * configure: Regenerated.
3838 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3839 Richard Guenther <rguenther@suse.de>
3841 PR tree-optimization/27236
3842 * tree-inline.c (copy_body_r): Make sure to copy
3843 TREE_THIS_VOLATILE flag.
3845 2006-04-24 Richard Guenther <rguenther@suse.de>
3848 * tree-complex.c (update_parameter_components): Don't handle
3849 unused parameters which have no default def.
3851 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3852 Richard Guenther <rguenther@suse.de>
3854 PR tree-optimization/27218
3855 * tree-inline.c (expand_call_inline): Strip useless type
3856 conversions for the return slot address.
3858 2006-04-24 Richard Guenther <rguenther@suse.de>
3860 * cfgloop.h (struct loops): Remove unused field array. Reorder
3862 (LOOP_PREFETCH): Remove.
3864 2006-04-24 Richard Guenther <rguenther@suse.de>
3866 PR tree-optimization/22525
3867 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3868 variable, adjust types of generated expressions.
3870 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3872 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3873 (tree-vect-patterns.o): Likewise.
3875 (cselib.o): Likewise.
3876 (loop-doloop.o): Likewise.
3877 (regclass.o): Likewise.
3878 (reload1.o): Likewise.
3879 (explow.o): Replace target.h with $(TARGET_H).
3880 (ipa-prop.o): Likewise.
3881 (ipa-cp.o): Likewise.
3882 (ipa-inline.o): Likewise.
3883 (reorg.o): Likewise.
3884 (reg-stack.o): Likewise.
3886 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3888 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3890 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3892 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3894 * configure.ac: Completely disregard languages that are not
3896 * configure: Regenerated.
3899 * c-common.h (c_build_bitfield_integer_type): Declare.
3900 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3901 * c-common.c (c_build_bitfield_integer_type): ... here.
3903 2006-04-23 Roger Sayle <roger@eyesopen.com>
3906 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3907 a SImode SUBREG of a floating point register after no_new_pseudos.
3909 2006-04-23 Roger Sayle <roger@eyesopen.com>
3911 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3912 identify potentially eliminable registers to additionally catch
3913 VIRTUAL_INCOMING_ARGS_REGNUM.
3914 (addsi3): Update the conditions on when to use addsi_small_int.
3916 2006-04-23 Roger Sayle <roger@eyesopen.com>
3919 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3920 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3921 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3923 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3925 * fold-const.c (range_predecessor): Use operand_equal_p
3926 as the predicate for equality.
3927 (range_successor): Likewise.
3929 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3932 * config/soft-fp/op-common.h: Fix a typo.
3934 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3937 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3938 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3940 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3942 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3944 * doc/tm.texi: Fix a typo.
3946 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3948 * dwarf2out.c (struct die_struct): Document that die_sib makes
3949 a circular linked list.
3950 (FOR_EACH_CHILD): New.
3951 (reverse_die_lists): Delete.
3952 (reverse_all_dies): Delete.
3953 (add_dwarf_attr): Correct documentation.
3954 (remove_child_with_prev): New.
3955 (remove_child_TAG): Update for change to die_struct, use
3956 remove_child_with_prev.
3957 (add_child_die): Update for change to die_struct.
3958 (splice_child_die): Use remove_child_with_prev and add_child_die.
3959 (print_die): Use FOR_EACH_CHILD.
3960 (die_checksum): Likewise.
3961 (assign_symbol_names): Likewise.
3962 (output_location_lists): Likewise.
3963 (build_abbrev_table): Likewise.
3964 (calc_die_sizes): Likewise.
3965 (mark_dies): Likewise.
3966 (unmark_dies): Likewise.
3967 (unmark_all_dies): Likewise.
3968 (output_die): Likewise.
3969 (prune_unused_types_mark): Likewise.
3970 (prune_unused_types_walk): Likewise.
3971 (same_die_p): Update for change to die_struct.
3972 (break_out_includes): Likewise.
3973 (prune_unused_types_prune): Likewise.
3974 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3975 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3977 (dwarf2out_finish): Don't call reverse_all_dies.
3979 2006-04-21 Eric Christopher <echristo@apple.com>
3981 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3982 in comments and function names.
3984 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3987 * c-typeck.c (digest_init): Robustify.
3989 * c-typeck.c (pop_init_level): Simplify.
3991 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3993 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3995 2006-04-21 Paul Brook <paul@codesourcery.com>
3997 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3998 hardware floating point.
4000 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4002 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4005 2006-04-21 Nick Clifton <nickc@redhat.com>
4007 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4010 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4013 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4014 C++ lang type in traceback table for Objective-C++.
4016 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4018 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4020 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4022 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4025 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4026 were errors. Remove check for erroneous objects.
4028 2006-04-20 Jeff Law <law@redhat.com>
4030 PR tree-optimization/26854
4031 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4032 checking for zero or one use.
4033 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4034 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4035 * tree-ssa-reassoc.c (negate_value): Similarly.
4036 (reassociate_bb): Similarly.
4038 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4040 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4041 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4042 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4044 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4046 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4047 fp regs if the last fp arg doesn't fit in regs.
4049 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4052 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4053 that the last insn has the REG_INC note.
4055 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4056 Nathan Sidwell <nathan@codesourcery.com>
4059 * stor-layout.c (update_alignment_for_field): Do not align
4061 (place_union_field): Place union field at the start of the union.
4062 (place_field): Move ERROR_MARK check later, and use the current
4063 allocation position to maintain monotonicity.
4065 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4067 * dominance.c: Include timevar.h.
4068 (calculate_dominance_info): Use TV_DOMINANCE.
4069 * timevar.def (TV_DOMINANCE): New timevar.
4070 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4072 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4074 PR rtl-optimization/14261
4075 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4076 move would be an INSV insn.
4077 (noce_process_if_block): Don't optimize if the destination is a
4078 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4080 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4082 * config/s390/s390.md: Add comments with the instructions emitted
4083 by an insn pattern if macros are used.
4085 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4087 PR rtl-optimization/26026
4088 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4089 is a known power of two shifted left a variable amount.
4091 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4093 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4094 to hash table twice when the debug_str section has SECTION_MERGE.
4096 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4098 * config/soft-fp: New directory. From glibc.
4099 * config/soft-fp/t-softfp: New.
4100 * config/soft-fp/README: New.
4101 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4102 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4103 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4104 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4105 * config.gcc: Use rs6000/t-fprules-fpbit or
4106 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4108 * config/rs6000/sfp-machine.h: New. Based on glibc.
4109 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4111 * config/rs6000/t-fprules: Remove fp-bit rules.
4112 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4113 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4114 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4115 (softfp_wrap_start, softfp_wrap_end): New.
4117 2006-04-18 DJ Delorie <dj@redhat.com>
4119 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4121 2006-04-18 Devang Patel <dpatel@apple.com>
4123 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4125 2006-04-18 Nick Clifton <nickc@redhat.com>
4127 * config/sh/t-symbian: Add rule to build sh-c.o
4128 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4129 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4130 (sh_symbian_encode_section_info): Likewise.
4132 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4134 * builtins.c (expand_builtin_strcmp): Cover label definition of
4135 do_libcall with HAVE_cmpstrnsi.
4137 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4139 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4141 * function.h (temp_slot_p): New.
4142 (function): Change the type of x_used_temp_slots to
4143 VEC(temp_slot_p,gc) *.
4145 2006-04-18 Nick Clifton <nickc@redhat.com>
4147 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4148 flag_strength_reduce.
4150 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4152 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4156 Partial revert of revision 112637
4157 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4158 Dale Johannesen <dalej@apple.com>
4161 * regclass.c (struct reg_pref): Update documentation.
4162 (regclass): Set prefclass to NO_REGS if memory is the best option.
4163 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4165 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4167 PR tree-optimization/26821
4168 * tree-ssa-math-opts.c (get_constant_one): New.
4169 (insert_reciprocals): Use it.
4171 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4173 * dwarf2out.c (free_AT): Delete.
4174 (remove_AT): Update string ref counts.
4175 (remove_child_TAG): Don't call free_die.
4177 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4178 or DW_TAG_GNU_EINCL.
4179 (prune_unused_types_walk_attribs): Reset string refcounts.
4180 (prune_unused_types_update_strings): New.
4181 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4182 call free_die. Do call prune_unused_types_update_strings.
4183 (prune_unused_types): Empty debug_str_hash.
4185 2006-04-17 Roger Sayle <roger@eyesopen.com>
4187 * expr.c (expand_assignment): Optimize away no-op moves where the
4188 source and destination are equal and have no side-effects.
4190 2006-04-17 Richard Guenther <rguenther@suse.de>
4193 * reload.c (push_reload): Guard calls to get_secondary_mem
4196 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4198 * alias.c (reg_base_value, old_reg_base_value): Change the
4199 type to VEC(rtx,gc) *.
4200 (REG_BASE_VALUE, find_base_value, record_set,
4201 init_alias_analysis): Use VEC instead of VARRAY.
4203 * alias.c (alias_sets): Change the type to
4204 VEC(alias_set_entry,gc) *.
4205 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4206 VEC instead of VARRAY.
4207 (last_alias_set): Remove.
4209 * cgraph.h (cgraph_edge_p): New.
4210 Update the prototype of cgraph_function_versioning.
4211 * cgraphunit.c (cgraph_copy_node_for_versioning,
4212 cgraph_function_versioning): Use VEC instead of VARRAY.
4213 * ipa-cp.c (ipcp_insert_stage): Likewise.
4215 2006-04-16 Roger Sayle <roger@eyesopen.com>
4218 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4219 "A op B" or "A op C", we may need to convert A to the type of B and C.
4221 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4223 * target.h (struct gcc_target): Add mode_rep_extended.
4224 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4225 (init_num_sign_bit_copies_in_rep): Initialize it using
4227 (truncate_to_mode): Use it.
4228 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4229 * targhooks.h (default_mode_rep_extended): Declare it.
4230 * targhooks.c (default_mode_rep_extended): Define it.
4231 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4232 default_mode_rep_extended.
4233 (TARGET_INITIALIZER): Include it.
4234 * doc/tm.texi (Misc): Document it.
4235 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4236 (mips_truncated_to_mode): New function.
4238 2006-04-16 Roger Sayle <roger@eyesopen.com>
4241 * expr.c (compress_float_constant): Copy the narrow constant into
4242 a new pseudo before extending it to its final width.
4244 2006-04-16 Roger Sayle <roger@eyesopen.com>
4245 Andrew Pinski <pinskia@gcc.gnu.org>
4246 Dale Johannesen <dalej@apple.com>
4249 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4250 special case code to implement V8HImode and V16QImode with SSE2.
4252 2006-04-15 Roger Sayle <roger@eyesopen.com>
4254 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4255 trees are constructed with a suitable tree type.
4257 2006-04-15 Roger Sayle <roger@eyesopen.com>
4259 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4260 (integer_onep): Likewise.
4261 (integer_all_onesp): Likewise.
4262 (integer_pow2p): Likewise.
4263 (integer_nonzerop): Likewise.
4264 (real_zerop): Likewise.
4265 (real_onep): Likewise.
4266 (real_twop): Likewise.
4267 (real_minus_onep): Likewise.
4268 (int_size_in_bytes): Likewise.
4269 (host_integerp): Likewise.
4271 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4273 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4274 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4275 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4277 * tree-ssa-structalias.h (alias_info): Remove num_references.
4279 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4281 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4282 (output_bvb patterns): Likewise.
4283 * pa.c (output_bb): Use 'bb' insn for long branch case.
4284 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4285 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4286 1. Correct length operand for alternatives 1 and 2.
4287 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4288 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4290 2006-04-14 Roger Sayle <roger@eyesopen.com>
4292 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4293 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4294 were accidentally reverted by r112959.
4296 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4299 * except.h (eh_region_outermost): New prototype.
4300 * except.c (eh_region_outermost): New function.
4301 * tree-cfg.c (find_outermost_region_in_block): Use it.
4303 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4305 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4307 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4308 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4309 (init_reload, reload): Use VEC instead of VARRAY.
4310 * reload.h: Update the prototype for
4311 reg_equiv_memory_loc_varray.
4313 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4314 Eric Botcazou <ebotcazou@libertysurf.fr>
4316 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4319 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4322 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4323 to expand fallback builtin function call.
4325 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4328 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4329 and emit libcall here in case the builtin fails.
4330 (expand_builtin_strcmp): Always emit the libcall here on failure.
4332 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4334 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4335 * flow.c (reg_n_info): Change the type to
4336 VEC(reg_info_p,heap) *.
4337 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4339 * regs.h (reg_info_p): New.
4340 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4341 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4342 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4345 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4347 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4349 * params.h (MAX_SCHED_READY_INSNS): New macro.
4350 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4351 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4352 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4353 the ready list for 1 cycle during the first scheduling pass.
4354 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4356 2006-04-13 Richard Henderson <rth@redhat.com>
4359 * gimple-low.c (lower_omp_directive): Remove dead code.
4360 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4361 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4362 * omp-low.c (struct omp_region): Move to tree-flow.h.
4363 (root_omp_region): Export.
4364 (omp_regions, lookup_omp_region): Remove.
4365 (determine_parallel_type): Update for struct omp_region changes.
4366 (dump_omp_region): Dump regions with block numbers.
4367 (new_omp_region): Take type and block instead of stmt; malloc
4369 (free_omp_region_1, free_omp_regions): New.
4370 (expand_parallel_call): Take entry_stmt as argument; update for
4371 changes to omp_region.
4372 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4373 (remove_exit_barriers): New.
4374 (expand_omp_parallel): Update for struct omp_region changes.
4375 (expand_omp_synch): Likewise.
4376 (expand_omp): Likewise.
4377 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4378 (expand_omp_for_static_chunk): Likewise.
4379 (expand_omp_for): Likewise.
4380 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4381 (expand_omp_sections): Similarly, with GOMP_sections_end.
4382 (expand_omp_single): New.
4383 (build_omp_regions_1): Update for OMP_CONTINUE.
4384 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4385 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4386 OMP_SECTIONS_SECTIONS.
4387 (lower_omp_single_simple): Don't emit barrier here.
4388 (lower_omp_single_copy): Likewise.
4389 (lower_omp_single): Fix bindings, and lower to straightline now.
4390 (lower_omp_master, lower_omp_ordered): Likewise.
4391 (lower_omp_critical): Likewise.
4392 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4393 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4394 omp edges, free it afterward.
4395 (make_omp_sections_edges): Remove.
4396 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4397 (move_stmt_r): Handle OMP_CONTINUE.
4398 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4399 statement pointers to basic blocks. Add type member.
4400 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4401 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4402 * tree-inline.c (estimate_num_insns_1): Likewise.
4403 * tree-pretty-print.c (dump_generic_node): Likewise.
4404 * tree-ssa-operands.c (get_expr_operands): Likewise.
4405 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4406 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4407 (OMP_CONTINUE): New.
4408 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4409 (OMP_SECTIONS_SECTIONS): Remove.
4410 (OMP_SECTION_LAST): New.
4411 (OMP_RETURN_NOWAIT): New.
4413 2006-04-13 Roger Sayle <roger@eyesopen.com>
4415 * fold-const.c (native_encode_vector, native_interpret_real):
4416 Correct obvious mistakes in the previous check-in.
4418 2006-04-13 Roger Sayle <roger@eyesopen.com>
4420 * fold-const.c (native_encode_expr): New function to encode
4421 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4422 or VECTOR_CST into a specified buffer.
4423 (native_encode_int): New function.
4424 (native_encode_real): New function.
4425 (native_encode_complex): New function.
4426 (native_encode_vector): New function.
4427 (native_interpret_expr): Inverse of native_encode_expr to convert
4428 a target representation into an INTEGER_CST, REAL_CST etc...
4429 (native_interpret_int): New function.
4430 (native_interpret_real): New function.
4431 (native_interpret_complex): New function.
4432 (native_interpret_vector): New function.
4433 (fold_view_convert_expr): New function to constant fold/evaluate
4434 a VIEW_CONVERT_EXPR of a suitable constant expression.
4435 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4436 Change call of build1 to fold_build1 when constructing a
4439 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4440 Ulrich Weigand <uweigand@de.ibm.com>
4443 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4446 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4449 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4450 optimize to lo_sum for DFmode if !TARGET_FPRS.
4452 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4454 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4455 delete_alias_info, compute_flow_sensitive_aliasing,
4456 group_aliases): Use VEC instead of VARRAY.
4457 * tree-ssa-structalias.c (update_alias_info): Likewise.
4458 * tree-ssa-structalias.h (alias_info): Change the type of
4459 processed_ptrs to VEC(tree,heap) *.
4461 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4464 * config/sh/lib1funcs.h: New file, broken out of:
4465 * config/sh/lib1funcs.asm.
4466 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4468 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4469 * config/sh/lib1funcs-Os-4-200.asm: New file.
4470 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4471 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4472 (EXTRA_MULTILIB_PARTS): Include it.
4473 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4474 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4475 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4476 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4479 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4481 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4482 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4483 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4485 * tree-ssa-live.h: Include vecprim.h.
4486 (tree_partition_associator_d): Change the type of
4487 first_partition to VEC(int,heap) *.
4488 (tpa_first_partition): Use VEC instead of VARRAY.
4490 * Makefile.in (GTFILES): Move functions.h after tree.h.
4491 * function.c (reset_block_changes, record_block_change,
4492 check_block_change, free_block_changes): Use VEC instead of
4494 * function.h (function): Change the type of
4495 ib_boundaries_block to VEC(tree,gc) *.
4496 * tree-inline.c (copy_cfg_body): Initialize
4497 ib_boundaries_block to NULL instead of (varray_type) 0.
4499 2006-04-12 Roger Sayle <roger@eyesopen.com>
4501 * expr.c (emit_group_store): Correct operand order in call to
4502 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4503 a SUBREG_BYTE of zero.
4505 2006-04-12 Richard Guenther <rguenther@suse.de>
4507 * profile.c (compute_branch_probabilities): Remove code
4508 encapsulated in !ir_type (), which are remanents of the
4509 removed RTL profiling code.
4510 * rtl-profile.c: Remove.
4512 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4514 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4515 magic NULL_RTX comment.
4516 (function_arg): Store entire fp arg to mem if any part should go
4518 (rs6000_arg_partial_bytes): Adjust for above change.
4520 2006-04-11 Roger Sayle <roger@eyesopen.com>
4522 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4523 if it hasn't been initialized by dwarf2out_init.
4525 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4527 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4528 symbolic constants in branch patterns.
4530 2006-04-11 Roger Sayle <roger@eyesopen.com>
4532 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4534 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4536 PR rtl-optimization/27073
4537 * gcse.c (try_replace_reg): Revert last change. Continue to search
4538 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4541 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4543 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4544 aggregate types other than record and union types.
4545 (function_arg): Likewise.
4546 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4548 (function_value): In 64-bit mode, return objects that require it
4551 2006-04-11 Roger Sayle <roger@eyesopen.com>
4553 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4555 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4557 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4559 2006-04-03 Jeff Law <law@redhat.com>
4562 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4563 alias information too.
4565 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4567 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4569 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4572 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4573 (premark_used_types_helper): New.
4574 (premark_used_types): New.
4575 (gen_subprogram_die): Call premark_used_types.
4576 (prune_unused_types_walk): Do not prune perennial dies.
4577 * function.c (used_types_insert): New.
4578 * function.h (struct function): Add used_types_hash field.
4579 (used_types_insert): Add prototype.
4580 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4581 * c-parser.c (c_parser_cast_expression): Save casted types in used
4584 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4587 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4588 rs6000_explicit_options.float_gprs.
4590 2006-04-10 Roger Sayle <roger@eyesopen.com>
4592 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4593 from ix86_expand_vector_init_low_nonzero. Take an additional
4594 one_var argument indicating which element is non-zero. Support
4595 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4596 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4597 with one_var instead of ix86_expand_vector_init_low_nonzero.
4599 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4601 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4602 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4603 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4604 build/genextract.o): Depend on vecprim.h.
4605 * cfglayout.c, df-problems.c, function.c, genextract.c,
4606 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4607 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4611 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4613 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4614 Declare VECs of this type.
4615 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4616 (remove_children): Delete.
4617 (add_dwarf_attr): Use VEC routines.
4618 (add_AT_flag): Update for changes to add_dwarf_attr.
4619 (add_AT_int): Likewise.
4620 (add_AT_unsigned): Likewise.
4621 (add_AT_long_long): Likewise.
4622 (add_AT_vec): Likewise.
4623 (add_AT_string): Likewise.
4624 (add_AT_die_ref): Likewise.
4625 (add_AT_fde_ref): Likewise.
4626 (add_AT_loc): Likewise.
4627 (add_AT_loc_list): Likewise.
4628 (add_AT_addr): Likewise.
4629 (add_AT_lbl_id): Likewise.
4630 (add_AT_lineptr): Likewise.
4631 (add_AT_macptr): Likewise.
4632 (add_AT_offset): Likewise.
4633 (add_AT_range_list): Likewise.
4634 (get_AT): Use VEC_iterate.
4635 (remove_AT): Use VEC_ordered_remove.
4636 (free_die): Fold remove_children into here; have it use VEC_iterate.
4637 (print_die): Use VEC_iterate on attrs.
4638 (reverse_die_lists): Don't reverse attr lists.
4639 (die_checksum): Use VEC_iterate on attrs.
4640 (same_die_p): Likewise.
4641 (output_location_lists): Likewise.
4642 (build_abbrev_table): Likewise.
4643 (size_of_die): Likewise.
4644 (unmark_all_dies): Likewise.
4645 (output_abbrev_section): Likewise.
4646 (output_die): Likewise.
4647 (prune_unused_types_walk_attribs): Likewise.
4649 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4651 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4653 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4656 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4658 2006-04-09 Roger Sayle <roger@eyesopen.com>
4660 * expr.c (store_constructor): Don't bother clearing target if
4661 we're about to assign a vector to it using vec_init_optab.
4663 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4665 * tree-ssa-alias.c (lhs_may_store_to): New function.
4666 (recalculate_used_alone): Handle LHS of calls.
4668 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4672 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4673 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4674 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4675 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4676 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4677 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4678 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4679 stubs. Add ".align 8" directives before all ".dword" directives.
4680 (GTHREAD_USE_WEAK): Revise comment.
4681 (TARGET_ATTRIBUTE_WEAK): Define.
4682 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4683 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4684 * stublib.c: New file.
4689 * pa.md (cbranch patterns): Revise arguments used in calls to
4690 output_cbranch, output_bb and output_bvd. Add long branch length
4692 (fbranch patterns): Handle long branches.
4693 (jump): Revise length check. Revise arguments for output_lbranch call.
4694 Add long branch length attributes.
4695 (decrement_and_branch_until_zero): Add long branch length attributes.
4696 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4697 Likewise. Revise arguments for output_parallel_addb and
4698 output_parallel_movb calls.
4699 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4700 output_parallel_movb and output_parallel_addb): Update prototypes.
4701 * pa.c (output_cbranch): Revise arguments. Correct handling of
4702 nullification in long branches.
4703 (output_lbranch): Add new argument to control extraction of delay
4705 (output_bb): Handle long branches.
4706 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4707 output_parallel_addb): Likewise.
4709 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4711 PR rtl-optimization/27073
4712 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4715 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4717 * tree.h (tree_memory_tag): Add old_used_alone.
4718 (SMT_OLD_USED_ALONE): New macro.
4719 * tree-ssa-alias.c (recalculate_used_alone): Stop
4720 marking things for renaming unnecessarily.
4722 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4724 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4725 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4726 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4727 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4728 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4729 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4730 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4731 spelling convensions.
4732 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4733 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4734 typos. Follow spelling conventions.
4736 2006-04-07 DJ Delorie <dj@redhat.com>
4738 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4739 passed on the stack.
4740 (m32c_init_cumulative_args): When a function returns a structure,
4741 always pass the pointer to that return area on the stack.
4742 (m32c_function_arg_advance): Don't increment the parameter number
4743 if we're processing the returned structure pointer.
4744 (pushm_info): Reverse order of registers.
4746 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4748 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4749 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4750 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4751 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4753 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4754 chrec_fold_multiply): Same.
4755 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4756 force_expr_to_var_cost): Same.
4757 * tree-mudflap.c (mf_xform_derefs_1): Same.
4758 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4760 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4762 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4763 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4766 2006-04-07 Jan Hubicka <jh@suse.cz>
4768 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4770 2006-04-07 Richard Guenther <rguenther@suse.de>
4772 PR tree-optimization/26135
4773 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4774 loads for store copy-prop.
4775 (copy_prop_visit_stmt): Likewise.
4777 2006-04-05 Robert Millan <robertmh@gnu.org>
4779 * config/i386/linux.h: Add a comment to mark macros that are
4780 being overriden in config/k*bsd-gnu.h.
4781 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4783 * config/knetbsd-gnu.h: Ditto.
4785 2006-04-06 Jan Hubicka <jh@suse.cz>
4789 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4792 2006-04-06 Mike Stump <mrs@apple.com>
4794 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4795 for HAVE_nonlocal_goto to be consistent.
4796 (expand_builtin_nonlocal_goto): Likewise.
4797 (expand_builtin_strcmp): Use #ifdef instead of #if
4798 for HAVE_cmpstrnsi to be consistent.
4800 2006-04-05 DJ Delorie <dj@redhat.com>
4802 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4805 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4807 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4808 got-relative addressing for anything but SImode.
4810 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4811 even if the calling function doesn't modify them.
4813 2006-04-05 Richard Guenther <rguenther@suse.de>
4815 PR tree-optimization/26919
4816 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4817 to cgraph_estimate_size_after_inlining.
4819 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4821 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4823 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4825 PR tree-optimization/26996
4826 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4827 VECTOR_TYPE variables.
4829 2006-04-05 Richard Guenther <rguenther@suse.de>
4831 PR tree-optimization/26763
4832 * fold-const.c (fold_comparison): Move folding of
4833 PTR + CST CMP PTR + CST ...
4834 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4836 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4838 * doc/install.texi (Prerequisites): Refine some wording on
4839 bootstrapping and ksh.
4840 Move the version numbers of DejaGnu here from the testing section
4841 and fix casing of names.
4842 Fix markup and clarify wording for autogen requirements.
4843 Refer to GCJ instead of just java.
4844 Refer to SVN instead of CVS.
4845 Describe diffutils as useful instead of necessary.
4846 (Downloading the source): Refer to SVN instead of CVS.
4847 Adjust a link to our web site accordingly.
4848 (Configuration): Fix casing of Bison.
4849 (Building): Refer to SVN instead of CVS.
4850 Fix a sentence on the use of Bison and remove duplicate (and
4851 incorrect) version number of Bison requirement.
4852 Remove one redundant list of packages needed for building.
4853 (Specific): Avoid reference to CVS.
4855 2006-04-04 Eric Christopher <echristo@apple.com>
4857 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4858 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4859 (rs6000_handle_struct_attribute): New.
4860 (rs6000_ms_bitfield_layout_p): Ditto.
4862 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4864 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4865 NULL for dso parameter to atexit_common.
4867 2006-04-04 Eric Christopher <echristo@apple.com>
4869 * config/i386/i386.c (machopic_output_stub): Output \t
4870 between instructions and operands.
4872 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4874 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4875 satisfies_constraint_[IL] to explicit tests on value.
4877 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4879 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4880 set_nb_iterations_in_loop): Use build_int_cst instead of
4882 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4883 build_int_cst instead of convert.
4885 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4887 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4888 new value 2 for incoming.
4889 * function.c (expand_function_start): Call struct_value_rtx
4891 * config/sparc/sparc.md: Comment updated_return.
4892 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4893 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4894 struct return if sparc_std_struct_return and incoming is 2.
4895 (print_operand): Do not adjust return if
4896 sparc_std_struct_return.
4898 2006-04-04 Roger Sayle <roger@eyesopen.com>
4900 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4901 convert in the middle-end.
4902 * expr.c (store_expr, store_constructor, get_inner_reference,
4903 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4905 * tree.c (build_range_type): Likewise.
4907 2006-04-04 Tom Tromey <tromey@redhat.com>
4909 * doc/install.texi (Prerequisites): Mention jar.
4911 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4913 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4916 2006-04-04 Matthias Klose <doko@debian.org>
4918 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4919 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4922 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4924 * doc/extend.texi (Function Attributes): Rewrite visibility
4925 attribute documentation.
4926 * doc/invoke.texi (C++ Dialect Options): Rewrite
4927 -fvisibility-inlines-hidden documentation to describe something
4928 entirely different, although in practise compatible.
4929 (Code Gen Options): Warn about system headers in -fvisibility=
4932 * doc/extend.texi (Other Builtins): Document that
4933 __builtin_nan is a compile-time constant only when its argument
4936 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4938 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4939 trying to remove TRUNCATE check if all bits outside the new mode
4940 are identical to the sign bit.
4942 2006-04-03 Jeff Law <law@redhat.com>
4944 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4945 and operand scanning in some common cases.
4947 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4948 Dale Johannesen <dalej@apple.com>
4951 * regclass.c (struct reg_pref): Update documentation.
4952 (regclass): Set prefclass to NO_REGS if memory is the best option.
4953 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4954 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4955 into account. For non-registers, equate an empty preferred
4956 reload class to a `!' in the constraint; move the if clause to
4957 do so after those that reject the insn.
4958 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4960 (find_dummy_reload): Likewise.
4961 * doc/tm.texi (Register Classes): Document what it means
4962 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4963 * config/i386/i386.c (ix86_preferred_reload_class): Force
4964 using SSE registers (and return NO_REGS for floating-point
4965 constants) if math is done with SSE.
4966 (ix86_preferred_output_reload_class): New.
4967 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4968 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4969 * config/i386/i386.md: Remove # register preferences.
4971 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4974 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4975 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4976 the type of nb_iter.
4977 (instantiate_parameters_1): Convert the operands before calling
4978 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4979 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4981 2006-04-02 Roger Sayle <roger@eyesopen.com>
4983 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4984 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4986 * dojump.c (do_jump): Likewise.
4987 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4988 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4989 gimplify_boolean_expr): Likewise.
4990 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4991 * varasm.c (array_size_for_constructor): Likewise.
4992 * tree-object-size.c (compute_object_offset): Likewise.
4994 2006-04-02 Roger Sayle <roger@eyesopen.com>
4997 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4998 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5000 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5002 PR tree-optimization/26939
5003 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5005 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5007 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5008 at_stmt. Convert the type of operands before calling
5009 build_polynomial_chrec.
5010 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5012 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5013 (instantiate_parameters_1): Convert the type of operands before calling
5014 build_polynomial_chrec.
5015 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5016 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5017 reset_evolution_in_loop): Insert asserts to check the types of the
5019 (chrec_type): Moved...
5020 (eq_evolutions_p): Use operand_equal_p.
5021 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5022 the types of the operands.
5023 (chrec_type): ...here.
5024 * tree-data-ref.c (create_data_ref): Convert the operands before
5025 calling chrec_replace_initial_condition.
5026 (same_access_functions, analyze_subscript_affine_affine,
5027 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5028 (compute_subscript_distance, analyze_ziv_subscript,
5029 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5030 analyze_miv_subscript): Convert the operands before calling
5031 chrec_fold_minus or chrec_fold_plus.
5033 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5035 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5036 the dependence_relations vector.
5037 (compute_data_dependences_for_loop): Adjust call to
5038 compute_all_dependences.
5040 2006-04-01 Roger Sayle <roger@eyesopen.com>
5041 Richard Henderson <rth@redhat.com>
5043 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5044 gimple_boolify on the condition before calling gimplify_expr.
5046 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5048 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5049 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5050 the frame size. Update to use the new macros.
5051 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5052 * config/xtensa/ieee754-df.S: Likewise.
5054 2006-03-31 Richard Henderson <rth@redhat.com>
5056 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5057 (make_edges): ... here. Control fallthru creation with a local
5058 variable. Do not play with fake edges.
5059 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5060 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5063 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5065 * dwarf2.h (DW64_CIE_ID): Define.
5066 * dwarf2out.c (DWARF_CIE_ID): Define.
5067 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5068 length header. Use DWARF_CIE_ID.
5069 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5070 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5072 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5074 * config/sh/linux-atomic.asm: New file.
5075 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5077 2006-03-31 DJ Delorie <dj@redhat.com>
5079 * config/m32c/cond.md: Set condition flags properly throughout.
5080 * config/m32c/minmax.md: Likewise.
5081 * config/m32c/prologue.md: Likewise.
5082 * config/m32c/bitops.md: Likewise.
5083 * config/m32c/muldiv.md: Likewise.
5084 * config/m32c/mov.md: Likewise.
5085 * config/m32c/addsub.md: Likewise.
5086 * config/m32c/m32c.md: Likewise.
5087 * config/m32c/jump.md: Likewise.
5088 * config/m32c/shift.md: Likewise.
5090 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5091 conditionally output the pattern for this.
5092 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5093 (m32c_compare_redundant): New.
5094 (m32c_output_compare): New.
5095 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5097 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5098 dest, not src. Allow other 4-byte modes.
5100 2006-03-30 Denis Chertykov <denisc@overta.ru>
5102 * doc/md.texi: Refer to avr/constraints.md instead of
5105 2006-03-30 Roger Sayle <roger@eyesopen.com>
5107 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5108 signed vs. unsigned comparison failures on some hosts.
5110 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5113 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5114 change to FLOAT_REGS.
5116 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5117 (rs6000_override_options): Use it.
5118 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5119 only for -mabi=spe/no-spe and -mabi=altivec.
5121 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5123 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5126 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5128 * Makefile.in: Rename docdir to gcc_docdir.
5130 2006-03-30 Roger Sayle <roger@eyesopen.com>
5133 * expr.c (emit_group_store): Optimize group stores into a pseudo
5134 register by using a paradoxical subreg to initialize the destination
5135 if the first or last member of the group specifies a "low part".
5137 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5140 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5141 * target.h (struct gcc_target.speculate_insn): Change type of the
5142 second parameter to 'int'.
5143 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5144 the second operand of the DEPS_LIST.
5145 (copy_DEPS_LIST_list): Update reference to the second operand of the
5147 * rtl.h (alloc_DEPS_LIST): Update signature.
5148 * sched-int.h (ds_t): Change typedef to 'int'.
5149 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5151 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5153 * haifa-sched.c (try_ready): Change condition to restore
5154 non-speculative pattern of the instruction.
5155 (process_insn_depend_be_in_spec): Code to keep probability of the
5156 speculative dependence non-decreasing.
5158 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5160 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5161 (single_move_for_movmem): ... this. Also change all uses.
5162 (bfin_expand_strmov): Renamed to...
5163 (bfin_expand_movmem): ... this. Also change all uses.
5164 * config/bfin/bfin.md (movstrsi): Renamed to...
5165 (movstrsi): ...this.
5167 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5169 PR tree-optimization/26830
5171 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5172 (copy_prop_visit_stmt): Remove write-only variable ann.
5173 (init_copy_prop): Check variable loop depth here. Do not simulate
5174 memory-tag and virtual operand PHIs except for store copy prop.
5176 2006-03-30 Richard Guenther <rguenther@suse.de>
5178 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5179 variants with double arguments.
5181 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5183 * genpreds.c (write_tm_constrs_h): Delete variable p.
5184 * genconditions.c (write_header): Add tm-constrs.h to included
5186 * genpeep.c (main): Add toplev.h to included headers.
5187 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5188 (build/genpeep.o): Add toplev.h dependency.
5189 * config/rs6000/constraints.md: Add "W" constraint.
5191 2006-03-29 Roger Sayle <roger@eyesopen.com>
5193 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5194 sizes by correctly testing whether the size fits a host integer.
5195 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5196 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5197 SImode range for the default sizetype and bitsizetype.
5199 2006-03-29 Roger Sayle <roger@eyesopen.com>
5201 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5202 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5203 quickly if the argument is already of the correct type.
5204 Call fold_build1 instead of build1. Tidy up blank lines.
5206 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5208 * genemit.c (main): Add tm-constrs.h to included headers.
5209 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5210 * genpeep.c (main): Add tm-constrs.h to included headers.
5211 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5212 (write_tm_constrs_h): this and write complete file.
5213 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5214 (write_insn_preds_c): Add tm-constrs.h to included headers.
5215 (gen_constrs): New variable.
5216 (parse_option): Parse "-c".
5217 (main): Invoke write_tm_constrs_h.
5218 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5219 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5220 (object_out_file): Add tm-constrs.h dependency.
5221 (insn-emit.o): Same.
5222 (insn-output.o): Same.
5223 (insn-peep.o): Same.
5224 (insn-preds.o): Same.
5225 (insn-recog.o): Same.
5226 (tm-constsr.h): New target.
5227 (s-constrs-h): New target.
5229 * config/rs6000/constraints.md: New file.
5230 * config/rs6000/rs6000.c: Include tm-constrs.h.
5231 (num_insn_constant_wide): Convert to satisfies_constraint.
5232 (rs6000_rtx_costs): Convert to satisfies_constraint.
5233 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5234 (CONST_OK_FOR_LETTER_P): Delete.
5235 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5236 (EXTRA_CONSTRAINT): Delete.
5237 (EXTRA_MEMORY_CONSTRAINT): Delete.
5238 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5239 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5240 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5241 satisfies_constraint.
5243 * config/i386/i386.c: Include tm-constrs.h.
5245 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5247 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5248 * tree-data-ref.c (find_data_references_in_loop,
5249 compute_data_dependences_for_loop): Use pointers to VEC.
5250 (analyze_all_data_dependences): Adjust calls.
5251 * tree-data-ref.h (find_data_references_in_loop,
5252 compute_data_dependences_for_loop): Adjust declarations.
5253 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5254 compute_data_dependences_for_loop.
5256 2006-03-29 Paul Brook <paul@codesourcery.com>
5258 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5261 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5263 PR tree-optimization/26859
5264 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5266 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5267 for the step after fold_convert.
5269 2006-03-29 Paul Brook <paul@codesourcery.com>
5271 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5272 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5274 2006-03-29 Paul Brook <paul@codesourcery.com>
5277 * targhooks.c (default_narrow_bitfield): New fuction.
5278 * targhooks.h (default_narrow_bitfield): add prototype.
5279 * target.h (gcc_target): Add narrow_volatile_bitfield.
5280 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5281 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5282 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5283 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5285 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5287 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5289 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5290 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5291 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5292 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5293 (s390_function_arg_float): Allow SDmode and DDmode values to be
5294 passed in floating point registers.
5295 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5296 check with SCALAR_FLOAT_MODE_P.
5297 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5299 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5301 PR tree-optimization/25985
5302 * tree-ssa-loop-niter.c (number_of_iterations_le,
5303 number_of_iterations_ne): Make comments more precise.
5304 (number_of_iterations_cond): Add only_exit argument. Use the
5305 fact that signed variables do not overflow only when only_exit
5307 (loop_only_exit_p): New.
5308 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5309 number_of_iterations_cond.
5311 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5313 PR tree-optimization/26643
5314 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5317 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5319 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5320 (divsi3_i4_int): Likewise.
5322 2006-03-28 Roger Sayle <roger@eyesopen.com>
5324 * expr.c (emit_group_store): Only create a new pseudo reg if the
5325 quantity it needs to hold isn't already a suitable pseudo.
5327 2006-03-28 Jeff Law <law@redhat.com>
5329 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5330 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5332 2006-03-28 Roger Sayle <roger@eyesopen.com>
5334 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5335 the equivalent ~X & Y, and the symmetry related transformations.
5336 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5337 ~X & Y, and symmetry related transforms.
5339 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5341 Revert my 2006-03-27 patches.
5343 2006-03-28 Roger Sayle <roger@eyesopen.com>
5345 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5346 ~(T1)X, when T1 and T2 are integer types of the same precision
5347 and (T2)X isn't an extension.
5349 2006-03-28 Jeff Law <law@redhat.com>
5351 PR tree-optimization/26796
5352 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5353 need EH edge cleanups rather than purging them immediately.
5354 (eliminate_degenerate_phis): Handle queued EH cleanups.
5356 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5358 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5361 2006-03-27 Roger Sayle <roger@eyesopen.com>
5364 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5365 cast BIT_NOT_EXPR operand to the correct type.
5367 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5369 * tree-loop-linear.c: Don't include varray.h.
5370 (gather_interchange_stats, try_interchange_loops,
5371 linear_transform_loops): Use VEC instead of VARRAY.
5372 * lambda-mat.c: Don't include varray.h.
5373 * tree-chrec.c: Same.
5374 * lambda-trans.c: Same.
5375 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5376 VEC instead of VARRAY.
5377 * tree-vectorizer.h: Idem.
5378 * tree-data-ref.c (dump_data_references,
5379 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5380 initialize_data_dependence_relation, finalize_ddr_dependent,
5381 compute_all_dependences, find_data_references_in_loop,
5382 compute_data_dependences_for_loop, analyze_all_data_dependences,
5383 free_dependence_relation, free_dependence_relations,
5384 free_data_refs): Idem.
5385 * tree-data-ref.h (data_reference_p, subscript_p): New.
5386 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5387 VEC instead of VARRAY.
5388 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5389 (find_data_references_in_loop, compute_data_dependences_for_loop,
5390 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5391 dump_data_dependence_relations, free_dependence_relations,
5392 free_data_refs): Adjust declaration.
5393 (lambda_transform_legal_p): Move declaration here...
5394 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5395 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5396 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5397 vect_analyze_data_refs): Use VEC instead of VARRAY.
5398 * lambda.h (lambda_transform_legal_p): ...from here.
5399 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5400 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5401 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5402 tree-chrec.o): Don't depend on VARRAY_H.
5404 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5406 * rtl.def (Copyright): Update date.
5407 (DEPS_LIST): Change type of the second operand to 'int'.
5408 * target.h (Copyright): Update date.
5409 (struct gcc_target.speculate_insn): Change type of the second parameter
5411 * lists.c (Copyright): Update date.
5412 (alloc_DEPS_LIST): Change signature. Update reference to the second
5413 operand of the DEPS_LIST.
5414 (copy_DEPS_LIST_list): Update reference to the second operand of the
5416 * rtl.h (Copyright): Update date.
5417 (alloc_DEPS_LIST): Update signature.
5418 * sched-int.h (Copyright): Update date.
5419 (ds_t): Change typedef to 'int'.
5420 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5422 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5424 * haifa-sched.c (Copyright): Update date.
5425 (try_ready): Change condition to restore non-speculative pattern
5427 (process_insn_depend_be_in_spec): Code to keep probability of the
5428 speculative dependence non-decreasing.
5430 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5432 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5433 shut up the compiler.
5435 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5437 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5438 to use lib prefix for target.
5439 ($(T)libic_invalidate_array_4-200.a): Likewise.
5440 ($(T)libic_invalidate_array_4a.a): Likewise.
5442 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5443 J"orn Rennecke <joern.rennecke@st.com>
5445 * superh.opt: New file.
5446 * sh.c (boardtype, osruntime): Remove.
5447 * superh.h (SUBTARGET_OPTIONS): Remove.
5448 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5450 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5451 arguments with ^ and/or [].
5453 * config.gcc (sh-*-*): Add quoting to account for quirk of
5455 Replace == with = in enable_incomplete_targets test.
5457 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5458 with MASK_LITTLE_ENDIAN.
5460 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5461 * config/sh/sh.opt: Added to some comments.
5462 * config/sh/superh.h: Removed some chaff.
5464 * config/sh/sh.opt: Add m4-[1234]00* options.
5465 * config/sh/sh.c (sh_handle_option): Likewise.
5466 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5467 (ic_invalidate_array_4-100.o): New rule.
5468 ($(T)libic_invalidate_array_4-100.a): Likewise.
5469 (ic_invalidate_array_4-200.o): Likewise.
5470 ($(T)libic_invalidate_array_4-200.a): Likewise.
5471 (ic_invalidate_array_4a.o): Likewise.
5472 ($(T)libic_invalidate_array_4a.a): Likewise.
5473 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5474 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5476 * config/sh/crt1.asm: Merged in profiling code.
5477 * config/sh/superh.h (STARTFILE_SPEC): Override.
5478 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5479 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5480 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5482 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5483 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5484 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5486 * sh.opt (mpretend-cmove): New option.
5487 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5488 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5489 (movsicc): Add TARGET_PRETEND_CMOVE code.
5491 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5493 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5494 s390_class_max_nregs): New function prototypes.
5495 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5496 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5497 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5498 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5500 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5502 * dwarf2out.c (add_location_or_const_value_attribute): Call
5503 tree_add_const_value_attribute if nothing else works.
5504 (reference_to_unused): New.
5505 (rtl_for_decl_init): Use reference_to_unused to decide whether
5506 to output an initializer.
5508 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5511 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5512 peephole removing spe frob_di_df_2.
5514 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5516 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5517 (subscript_dependence_tester_1): Declared.
5518 (print_dir_vectors, print_dist_vectors): New.
5519 (debug_data_dependence_relation): New.
5520 (dump_data_dependence_relation): Print more details.
5521 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5522 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5523 (save_dist_v, save_dir_v, add_outer_distances,
5524 build_classic_dist_vector_1): New.
5525 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5526 Don't test for lambda_vector_lexico_pos.
5527 (same_access_functions, add_multivariate_self_dist,
5528 add_other_self_distances, dir_from_dist): New.
5529 (build_classic_dir_vector): Replace implementation almost identical to
5530 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5532 (subscript_dependence_tester_1): New.
5533 (subscript_dependence_tester): Handle the lexicographically negative
5534 distance vectors by recomputing the dependence relation.
5535 (compute_affine_dependence): Remove parameter loop_nest_depth.
5536 (compute_self_dependence): Don't call compute_subscript_distance.
5537 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5538 Add a parameter for the loop_nest.
5539 (find_loop_nest_1, find_loop_nest): New.
5540 (compute_data_dependences_for_loop): Compute the loop nest, and give
5541 up if the nest is not well formed.
5542 * tree-data-ref.h (loop_p): New.
5543 (struct data_dependence_relation): Replace size_vect field with
5544 loop_nest, a vec of loops.
5545 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5546 (DDR_LOOP_NEST): New.
5547 (print_dir_vectors, print_dist_vectors,
5548 debug_data_dependence_relation): Declared.
5549 (index_in_loop_nest): New.
5550 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5551 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5554 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5556 * simplify-rtx.c (simplify_relational_operation): Call
5557 simplify_relational_operation_1 even if mode is VOIDmode.
5559 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5561 PR tree-optimization/26804
5562 * tree.h (DECL_CALL_CLOBBERED): New macro.
5563 (tree_decl_common): Add call_clobbered_flag.
5564 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5565 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5566 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5567 (mark_non_addressable): Ditto.
5568 * tree-ssa.c (verify_call_clobbered): New function.
5569 (verify_alias_info): Use it.
5570 * tree-pass.h (pass_reset_cc_flags): New prototype.
5571 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5572 (reset_cc_flags): New function.
5573 * passes.c (init_optimization_passes): Call reset_cc_flags after
5574 initializing referenced_vars.
5576 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5577 Roger Sayle <roger@eyesopen.com>
5580 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5581 to 1.0 for non-real operands. Implement A / A optimization for
5584 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5586 * config/i386/i386.c (size_cost): Correct the comment for
5587 cost of storing fp registers.
5588 (i386_cost): Likewise.
5589 (i486_cost): Likewise.
5590 (pentium_cost): Likewise.
5591 (pentiumpro_cost): Likewise.
5592 (k6_cost): Likewise.
5593 (athlon_cost): Likewise.
5594 (k8_cost): Likewise.
5595 (pentium4_cost): Likewise.
5596 (nocona_cost): Likewise.
5597 (generic64_cost): Likewise.
5598 (generic32_cost): Likewise.
5600 2006-03-24 Denis Chertykov <denisc@overta.ru>
5602 * config/avr/avr-protos.h (extra_constraint): Delete.
5603 (extra_constraint_Q): New declaration.
5604 * config/avr/constraints.md: New file.
5605 * config/avr/avr.md: Include it.
5606 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5607 (TMP_REGNO, ZERO_REGNO): Likewise.
5608 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5609 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5610 (extra_constraint): Delete.
5611 (extra_constraint_Q): Test for memory constraint 'Q'.
5612 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5613 (REG_CLASS_FROM_LETTER): Delete.
5614 (CONST_OK_FOR_LETTER_P): Delete.
5615 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5616 (EXTRA_CONSTRAINT): Delete.
5617 (TMP_REGNO): Delete.
5618 (ZERO_REGNO): Delete.
5620 2006-03-24 Jeff Law <law@redhat.com>
5622 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5623 directly. Call mark_new_vars_to_rename slightly earlier.
5625 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5627 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5629 (gen_compile_unit_die): Use new language types for Objective-C and
5631 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5632 DW_LANG_C_plus_plus.
5635 * config/t-darwin (crt3.o): Work around bug 26840.
5636 * config/darwin-crt3.c: Rewrite.
5637 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5639 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5641 * doc/invoke.texi: Document -femit-class-debug-always
5642 * common.opt: Add -femit-class-debug-always.
5644 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5646 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5647 index and base register.
5648 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5649 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5650 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5651 REGNO_OK_FOR_INDEX_P.
5652 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5654 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5655 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5656 REG_OK_FOR_BASE_P): Definitions removed.
5658 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5661 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5662 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5663 set yet or weren't marked as local yet.
5665 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5667 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5670 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5672 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5673 (rs6000_legitimate_small_data_p): Delete.
5674 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5675 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5676 and make static. Add forward declaration. Update uses.
5677 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5678 of offsettable_memref_p.
5679 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5680 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5682 2006-03-24 Jeff Law <law@redhat.com>
5684 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5685 around bug in immediate-use iterator.
5687 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5690 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5691 or __LITTLE_ENDIAN__.
5693 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5695 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5696 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5697 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5698 * config/sh/sh.opt (mdiv=): Amend description.
5699 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5700 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5701 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5702 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5703 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5704 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5705 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5706 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5707 TARGET_DIVIDE_CALL_FP.
5709 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5711 * haifa-sched.c (choose_ready): Fix type of the local variable.
5712 Move local variables. Add comment.
5713 (check_reg_live): Change signature. Make callable from debugger.
5714 * sched-int.h (check_reg_live): Update signature.
5715 * sched-ebb.c (check_reg_live): Update parameters.
5716 * sched-rgn.c (check_reg_live): Ditto.
5717 (region_head_or_leaf_p): Check pointer before dereferencing.
5718 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5719 before reload on optimization levels below 1.
5721 2006-03-23 Richard Henderson <rth@redhat.com>
5723 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5727 * config/alpha/predicates.md (local_symbolic_operand): Reject
5730 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5733 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5734 expressions which have overflowed constants.
5736 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5738 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5740 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5742 * cfgloopmanip.c (create_loop_notes): Removed.
5743 * final.c (final_scan_insn): Do not handle loop notes.
5744 * jump.c (squeeze_notes): Ditto.
5745 * cfglayout.c (skip_insns_after_block,
5746 duplicate_insn_chain): Ditto.
5747 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5749 * cfgloop.h (create_loop_notes): Declaration removed.
5751 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5753 * varasm.c (output_constant_pool): Restore fnname and fndecl
5755 (assemble_start_function): Adjust call accordingly.
5756 (assemble_end_function): Likewise.
5758 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5761 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5764 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5766 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5769 * system.h (ICE_EXIT_CODE): New macro.
5770 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5771 (diagnostic_action_after_output): Likewise.
5772 * gcc.c (fatal_ice): New function.
5773 (execute): Use it instead of fatal.
5774 (fancy_abort): Likewise.
5775 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5777 2006-03-22 Jeff Law <law@redhat.com>
5779 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5780 iv_analyze_result returning false.
5782 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5784 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5786 2006-03-22 Richard Henderson <rth@redhat.com>
5789 * except.c (duplicate_eh_regions_0): New.
5790 (duplicate_eh_region_1): Duplicate the children of the node as
5791 well as the node itself. Link them up properly.
5792 (duplicate_eh_region_2): Merge into ...
5793 (duplicate_eh_regions): ... here. Take copy_region argument, and
5794 copy only a sub-tree if asked. Simplify copying and fixup.
5795 (eh_region_outer_p): New.
5796 * except.h (duplicate_eh_regions): Update decl.
5797 (eh_region_outer_p): Declare.
5798 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5799 (lower_omp_master): Likewise.
5800 (lower_omp_ordered): Likewise.
5801 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5802 (move_stmt_r): Use it to remap labels. Handle recursion vs
5803 remap_decls_p properly.
5804 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5805 (find_outermost_region_in_block): New.
5806 (new_label_mapper): New.
5807 (move_sese_region_to_fn): Copy eh information to the new function
5809 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5811 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5814 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5816 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5817 into shared libraries.
5819 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5821 * doc/md.texi: Refer to i386/constraints.md instead of
5823 * config/i386/constraints.md: New file, extracted from...
5824 * config/i386/predicates.md: ...here.
5825 * config/i386/i386.md: Include constraints.md.
5827 2006-03-21 Jason Merrill <jason@redhat.com>
5829 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5832 * expr.c (init_block_move_fn): Force default visibility.
5833 (init_block_clear_fn): Likewise.
5834 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5835 * targhooks.c (default_external_stack_protect_fail): Likewise.
5837 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5839 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5840 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5841 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5842 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5843 (loadgp): Use mips_current_loadgp_style.
5844 (loadgp_noshared): New pattern.
5845 (sibcall_internal): Use MIPS_CALL.
5846 (sibcall_value_internal): Likewise.
5847 (sibcall_value_multiple_internal): Likewise.
5848 (call_internal): Likewise.
5849 (call_value_internal): Likewise.
5850 (call_value_multiple_internal): Likewise.
5851 (call_split): Use MIPS_CALL and add an 'S' constraint.
5852 (call_value_split): Likewise.
5853 (call_value_multiple_split): Likewise.
5854 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5855 (-mshared): New option.
5856 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5857 (mips_current_loadgp_style): Declare.
5858 * config/mips/mips.c (mips_classify_symbol): Avoid using
5859 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5860 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5861 TARGET_ABSOLUTE_ABICALLS.
5862 (override_options): Adjust comments. Improve the warning that is
5863 issued when -mabicalls and -G are used together.
5864 (mips_file_start): Remove comment.
5865 (mips_current_loadgp_style): New function.
5866 (mips_gnu_local_gp): New variable.
5867 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5869 (mips_output_function_prologue): Use mips_current_laodgp_style.
5870 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5871 the cprestore instruction.
5872 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5873 live for TARGET_ABSOLUTE_ABICALLS.
5874 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5875 (ASM_SPEC): Pass down -mshared and -mno-shared.
5876 (MIPS_CALL): New macro.
5877 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5879 * doc/invoke.texi (-mabicalls): Update documentation.
5880 (-mshared): Document.
5882 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5884 * config/ia64/unwind-hpux.c: New file.
5885 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5887 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5890 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5892 2006-03-21 Jeff Law <law@redhat.com>
5894 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5895 type conversions of a VR_VARYING source to a wider type.
5897 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5899 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5900 tm_file on Solaris 10 and later.
5901 (sparc64-*-solaris2*): Likewise.
5902 (sparc-*-solaris2*): Likewise.
5903 * config/sol26.h: Rename to config/sol2-6.h.
5904 * config/sol2-10.h: New file.
5906 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5909 * tree-ssa-pre.c (create_component_ref_by_pieces):
5912 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5915 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5916 return it immediately.
5918 2006-03-21 Michael Matz <matz@suse.de>
5920 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5922 (remove_arc, add_arc): Update num_out_arcs member.
5923 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5925 (cache_presence): New function.
5926 (compare_states_for_equiv): New function.
5927 (state_is_differed): Don't take number of outargs, adjust callers.
5928 Use new invariant for speeding up.
5929 (init_equiv_class): Create initial classes based on sorted
5931 (partition_equiv_class): Don't track out_arcs_num.
5932 (evaluate_equiv_classes): Call cache_presence on all states and
5935 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5937 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5938 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5939 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5940 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5942 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5943 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5944 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5945 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5946 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5948 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5949 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5950 (REGNO_REG_CLASS): ARGP is in PREGS.
5951 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5953 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5954 to deal with those addresses.
5955 * addresses.h: New file.
5956 * caller-save.c: Include "addresses.h".
5957 (init_caller_save): Use new base_reg_class function.
5958 * rtl-factoring.c: Include "addresses.h".
5959 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5960 * recog.c: Include "addresses.h".
5961 (preprocess_constraints): Use new base_reg_class function.
5962 * regrename.c: Include "addresses.h".
5963 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5964 functions. Keep track of a new var INDEX_CODE to compute valid
5966 (replace_oldest_value_addr): Likewise.
5967 (replace_oldest_value_mem): Use base_reg_class.
5968 * reload.c: Include "addresses.h".
5969 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5970 (find_reloads): Use new base_reg_class function.
5971 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5972 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5973 all callers and prototype changed.
5974 * reload1.c: Include "addresses.h".
5975 (maybe_fix_stack_asms): Use base_reg_class.
5976 * regclass.c: Include "addresses.h".
5977 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5978 (init_reg_autoinc): Use new base_reg_class function.
5979 (record_reg_classes): Likewise.
5980 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5981 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5982 Use new args to compute necessary class.
5984 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5985 regrename.o, rtl-factoring.o): Update dependencies.
5986 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5987 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5988 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5989 REG_OK_FOR_INDEX_P): Delete documentation.
5991 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5993 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5994 from V7 to V9 for Solaris 7 and above.
5996 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5998 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5999 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6000 argument pointers may not alias any other storage.
6001 * common.opt: Define option -fargument-noalias-anything.
6002 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6003 alias semantics is specified by flag_argument_noalias > 2.
6005 2006-03-20 Jeff Law <law@redhat.com>
6007 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6008 (pass_phi_only_cprop): Declare.
6009 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6011 * tree-ssa-dom.c (degenerate_phi_result): New function.
6012 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6013 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6014 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6015 (eliminate_degenerate_phis): Likewise.
6016 (pass_phi_only_cprop): New pass descriptor.
6017 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6018 support code. Callers updated.
6019 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6020 (store_copy_prop): Likewise.
6021 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6023 2006-03-20 Jason Merrill <jason@redhat.com>
6026 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6027 (push_visibility, pop_visibility): Likewise.
6028 * c-pragma.h: Declare them.
6030 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6032 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6034 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6035 parameter and use get_ebb_head_tail.
6036 (sh_md_init_global): Adjust uses of find_regmode_weight.
6038 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6040 * function.h (struct function) <x_tail_recursion_reentry>:
6041 Rename to x_stack_check_probe_note.
6042 (tail_recursion_reentry): Rename to stack_check_probe_note.
6043 * function.c: Replace tail_recursion_reentry with
6044 stack_check_probe_note everywhere.
6045 (expand_function_start): Only emit a note for
6046 stack_check_probe_note with -fstack-protect.
6047 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6049 * emit-rtl.c (remove_unnecessary_notes): Remove.
6050 (pass_remove_unnecessary_notes): Remove.
6051 * rtl.h (remove_unnecessary_notes): Remove prototype.
6052 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6053 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6054 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6056 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6059 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6060 (valid_in_set): Handle ARRAY_REF.
6061 Change "if min_variant or VH" to asserts.
6062 (create_component_ref_by_pieces): Handle ARRAY_REF.
6063 (create_expression_by_pieces): Likewise.
6064 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6066 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6068 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6069 is operand of switch, not str[0].
6071 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6073 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6074 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6076 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6078 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6079 end of insn_extra_address_constraint declaration.
6081 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6083 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6084 (no-sum-in-toc): Same.
6085 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6087 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6088 NO_FP_IN_TOC for -fPIC instead of mask.
6090 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6091 (BOOT_LDFLAGS): Delete.
6093 * config/rs6000/t-aix52: Same.
6095 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6096 (stmsi[345678]_power): New.
6098 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6100 * config/ia64/ia64.opt: Add empty line to end of file.
6102 2006-03-17 Richard Guenther <rguenther@suse.de>
6105 * builtins.c (get_pointer_alignment): For component style references
6106 adjust alignment to the component type alignment. Make sure
6107 to adjust alignment for component access of constants.
6109 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6111 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6114 2006-03-17 Paul Brook <paul@codesourcery.com>
6116 * doc/install.texi: Docuemnt --with-mode.
6117 * config.gcc: Add --with-mode for arm*-*-*.
6118 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6120 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6122 * sh.c (max_labelno_before_reorg): New variable.
6123 (sh_reorg): Initialize it.
6124 (find_barrier): Check max_labelno_before_reorg before using
6125 label_to_alignment. Take length of explicit alignment insns
6126 into account. When seeing a UNSPECV_CONST_END, return it.
6128 * sh.c (fixup_mova): Set mode of affected label to QImode.
6129 (untangle_mova): New function.
6130 (find_barrier): Use it. Check mode of label before decrementing
6132 (sh_reorg): Likewise.
6133 Set mode of all insns back to VOIDmode.
6135 * sh.c (MOVA_LABELREF): New macro.
6136 (mova_p, fixup_mova, sh_reorg): Use it.
6137 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6138 ADDR_DIFF_VEC matches mova.
6140 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6142 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6143 with ATTRIBUTE_UNUSED.
6145 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6147 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6148 pointer, instead of assuming it is possible to derive the
6149 correct args size from a call insn.
6151 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6153 * rtl.h (CONST_INT_P): Define.
6154 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6155 instead of GET_CODE(x) == CONST_INT.
6156 (vax_rtx_costs): Likewise.
6157 (vax_output_int_move): Likewise.
6158 (vax_output_int_add): Likewise.
6159 (legitimate_constant_address_p): Likewise.
6160 (index_term_p): Likewise.
6161 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6162 * config/vax/vax.md (and<mode>3): Likewise.
6163 (ashrsi3): Likewise.
6165 (movstricthi): Likewise.
6166 (movstrictqi): Likewise.
6167 (rotrsi3): Likewise.
6168 (five unnamed insns): Likewise.
6170 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6172 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6173 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6174 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6175 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6176 Pass to ASM_OUTPUT_DWARF_OFFSET.
6177 * dwarf2out.c (debug_frame_section): New.
6178 (output_call_frame_info): Use debug_frame_section. Pass it to
6179 dw2_asm_output_offset.
6180 (output_die): Pass appropriate section to dw2_asm_output_offset.
6181 (output_compilation_unit_header): Likewise.
6182 (output_pubnames): Likewise.
6183 (output_aranges): Likewise.
6184 (enum dw_val_class): Break dw_val_class_lbl_offset into
6185 dw_val_class_lineptr and dw_val_class_macptr.
6186 (add_AT_lbl_offset): Delete.
6187 (add_AT_lineptr): New.
6188 (add_AT_macptr): New.
6189 (AT_lbl): Expect a lineptr or macptr.
6190 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6191 (attr_checksum): Likewise.
6192 (same_dw_val_p): Likewise.
6193 (size_of_die): Likewise.
6194 (value_format): Likewise.
6195 (output_die): Likewise.
6196 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6198 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6199 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6200 * config/darwin-protos.h (darwin_file_start): New.
6201 (darwin_asm_output_dwarf_offset): New.
6202 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6203 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6205 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6206 if not EH section; simplify.
6207 (darwin_file_start): New.
6208 (darwin_asm_output_dwarf_offset): New.
6209 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6211 (DEBUG_INFO_SECTION): Likewise.
6212 (DEBUG_ABBREV_SECTION): Likewise.
6213 (DEBUG_ARANGES_SECTION): Likewise.
6214 (DEBUG_MACINFO_SECTION): Likewise.
6215 (DEBUG_LINE_SECTION): Likewise.
6216 (DEBUG_LOC_SECTION): Likewise.
6217 (DEBUG_PUBNAMES_SECTION): Likewise.
6218 (DEBUG_STR_SECTION): Likewise.
6219 (DEBUG_RANGES_SECTION): Likewise.
6220 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6221 (ASM_OUTPUT_DWARF_OFFSET): New.
6223 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6225 * config.gcc (tm_defines): Always add to previous value rather
6228 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6230 * config/mips/predicates.md (splittable_const_int_operand): New,
6231 split from move_operand.
6232 (splittable_symbolic_operand): New.
6233 (move_operand): Add commentary. Use splittable_const_int_operand.
6234 Inline mips_atomic_symbolic_constant_p.
6235 * config/mips/mips.md: Add combine splitters for handling moves
6236 of splittable_const_int_operands and splittable_symbolic_operands.
6237 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6238 (mips_split_symbol): Declare.
6239 (mips_move_integer): Declare.
6240 * config/mips/mips.c (mips_split_p): Make global.
6241 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6242 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6243 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6244 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6245 (mips_offset_within_object_p): Handle block symbols.
6246 (mips_atomic_symbolic_constant_p): Delete.
6247 (mips_cannot_force_const_mem): Return false for constants that
6248 mips_legitimize_move can handle.
6249 (mips_use_blocks_for_constant_p): New function.
6250 (mips_split_symbol): Make global.
6251 (mips_move_integer): Likewise. Add a temporary register argument.
6252 (mips_legitimize_const_move): Use splittable_const_int_operand and
6253 splittable_symbolic_operand.
6254 (mips_use_anchors_for_symbol_p): New function.
6255 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6256 (mips_split_p): Declare.
6258 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6260 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6261 (mips*-*-linux*): Likewise.
6263 2006-03-16 Roger Sayle <roger@eyesopen.com>
6264 Daniel Speyer <dspeyer@wam.umd.edu>
6267 * tree-dump.c (dump_real): New function.
6268 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6269 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6270 (tree-dump.o): Add $(REAL_H) to the dependencies.
6272 2006-03-16 Roger Sayle <roger@eyesopen.com>
6275 * real.c (real_from_string): If the mantissa is zero, don't bother
6276 parsing the exponent as the result should always be zero.
6278 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6280 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6282 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6284 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6285 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6286 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6287 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6288 ia64_sched_finish_global): New static functions to implement
6289 hooks from gcc_target.sched.
6290 (spec_check_no, max_uid, pending_data_specs): New static variables.
6291 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6292 ia64_spec_check_src_p): New static functions.
6293 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6294 (TARGET_SCHED_ADJUST_COST): Removed.
6295 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6296 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6297 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6298 TARGET_SCHED_GEN_CHECK,
6299 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6300 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6301 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6302 Fixed to handle speculation checks.
6303 (rtx_needs_barrier): Fixed to handle speculative loads and
6305 (ia64_variable_issue): Added code to count speculative loads and their
6307 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6309 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6311 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6313 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6314 (ia64_reorg): Reset stops_p to NULL after it is freed.
6315 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6316 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6317 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6319 (data_speculative, control_speculative, check_load): New attributes.
6320 (mov<mode>_advanced, mov<mode>_speculative,
6321 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6322 zero_extend<mode>di2_speculative,
6323 zero_extend<mode>di2_speculative_advanced): New patterns for
6324 data and control speculative loads.
6325 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6327 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6328 New pattern for data and control speculation checks.
6329 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6330 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6331 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6332 Auxiliary definitions for the patterns.
6333 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6334 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6336 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6338 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6339 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6340 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6341 New resource constraints.
6342 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6344 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6345 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6346 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6347 msched-in-control-spec, msched-ldc, msched-control-ldc,
6348 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6349 msched-prefer-non-control-spec-insns,
6350 msched-count-spec-in-critical-path): New flags to tune speculative
6352 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6353 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6354 msched-in-control-spec, msched-ldc, msched-control-ldc,
6355 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6356 msched-prefer-non-control-spec-insns,
6357 msched-count-spec-in-critical-path): Document new flags.
6359 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6361 * target.h (struct spec_info_def): New opaque declaration.
6362 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6363 speculate_insn, needs_block_p, gen_check,
6364 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6365 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6366 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6367 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6368 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6369 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6371 (TARGET_SCHED): Use new macros.
6372 * rtl.h (copy_DEPS_LIST_list): New prototype.
6373 * sched-int.h (struct sched_info): Change signature of new_ready field,
6374 adjust all initializations. New fields: add_remove_insn,
6375 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6376 region_head_or_leaf_p.
6377 (struct spec_info_def): New structure declaration.
6378 (spec_info_t): New typedef.
6379 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6380 recovery_block, orig_pat.
6381 (glat_start, glat_end): New variables declaraions.
6382 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6384 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6385 DETACH_LIFE_INFO, USE_GLAT.
6386 (enum SPEC_SCHED_FLAGS): New enumeration.
6387 (NOTE_NOTE_BB_P): New macro.
6388 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6389 attach_life_info, debug_spec_status, check_reg_live): New functions.
6390 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6391 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6393 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6394 * ddg.c (get_block_head_tail): Adjust all uses.
6395 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6396 (sms_sched_info): Initialize new fields.
6397 (contributes_to_priority): Removed.
6398 * haifa-sched.c (params.h): New include.
6399 (get_block_head_tail): Adjust all uses.
6400 (ISSUE_POINTS): New macro.
6401 (glat_start, glat_end): New global variables.
6402 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6403 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6404 old_last_basic_block, before_recovery, current_sched_info_var,
6405 rgn_n_insns, luid): New static variables.
6406 (insn_cost1): New function. Move logic from insn_cost to here.
6407 (find_insn_reg_weight1): New function. Move logic from
6408 find_insn_reg_weight to here.
6409 (reemit_notes, move_insn, max_issue): Change signature.
6410 (move_insn1): Removed.
6411 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6412 extend_bb): New static functions to support extension of scheduler's
6414 (generate_recovery_code, process_insn_depend_be_in_spec,
6415 begin_speculative_block, add_to_speculative_block,
6416 init_before_recovery, create_recovery_block, create_check_block_twin,
6417 fix_recovery_deps): New static functions to support
6418 generation of recovery code.
6419 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6420 restore_bb_notes, move_block_after_check, move_succs): New static
6421 functions to support ebb scheduling.
6422 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6423 functions to support handling of register live information.
6424 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6425 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6426 add_jump_dependencies): New static functions.
6427 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6428 consistancy checking.
6429 (debug_spec_status): New function to call from debugger.
6430 (priority): Added code to handle speculation checks.
6431 (rank_for_schedule): Added code to distinguish speculative instructions.
6432 (schedule_insn): Added code to handle speculation checks.
6433 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6434 Fixed to handle ebbs.
6435 (move_insn): Added code to handle ebb scheduling.
6436 (max_issue): Added code to use ISSUE_POINTS of instructions.
6437 (choose_ready): Added code to choose between speculative and
6438 non-speculative instructions.
6439 (schedule_block): Added code to handle ebb scheduling and scheduling of
6440 speculative instructions.
6441 (sched_init): Initialize new variables.
6442 (sched_finish): Free new variables. Print statistics.
6443 (try_ready): Added code to handle speculative instructions.
6444 * lists.c (copy_DEPS_LIST_list): New function.
6445 * sched-deps.c (extend_dependency_caches): New function. Move logic
6446 from create_dependency_caches to here.
6447 (get_dep_weak, ds_merge): Make global.
6448 * genattr.c (main): Code to output prototype for
6449 dfa_clear_single_insn_cache.
6450 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6451 (output_dfa_clean_insn_cache_func): Code to output
6452 dfa_clear_single_insn_cache function.
6453 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6455 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6457 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6458 New static variables.
6459 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6460 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6462 (ebb_sched_info): Initialize new fields.
6463 (get_block_head_tail): Adjust all uses.
6464 (compute_jump_reg_dependencies): Fixed to use glat_start.
6465 (schedule_ebb): Code to remove unreachable last block.
6466 (schedule_ebbs): Added code to update register live information.
6467 * sched-rgn.c (region_sched_info): Initialize new fields.
6468 (get_block_head_tail): Adjust all uses.
6469 (last_was_jump): Removed. Adjust users.
6470 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6471 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6472 Implement new hooks.
6473 (check_dead_notes1): New static function.
6474 (struct region): New fields: dont_calc_deps, has_real_ebb.
6475 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6476 (BB_TO_BLOCK): Fixed to handle EBBs.
6477 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6478 (ebb_head): New static variable.
6479 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6480 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6482 (compute_dom_prob_ps): New assertion.
6483 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6484 global_live_at_start.
6485 (init_ready_list): New assertions.
6486 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6487 (new_ready): Add support for BEGIN_CONTROL speculation.
6488 (schedule_insns): Fixed code that updates register live information
6490 (schedule_region): Fixed to handle EBBs.
6491 (init_regions): Use extend_regions and check_dead_notes1.
6492 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6493 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6494 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6495 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6496 TARGET_SCHED_GEN_CHECK,
6497 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6498 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6499 * doc/invoke.texi (max-sched-insn-conflict-delay,
6500 sched-spec-prob-cutoff): Document.
6502 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6504 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6505 inter_tick, queue_index.
6506 (struct sched_info): Change signature of init_ready_list field.
6507 Adjust all initializations.
6508 (RESOLVED_DEPS): New access macro.
6509 (ready_add): Remove prototype.
6510 (try_ready): Add prototype.
6511 * sched-rgn.c (init_ready_list): Use try_ready.
6512 (schedule_region): Initialize
6513 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6514 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6515 (init_ready_list): Use try_ready.
6516 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6517 * lists.c (remove_list_elem): Remove `static'.
6518 (remove_free_INSN_LIST_elem): New function.
6519 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6520 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6521 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6523 (readyp): New variable.
6524 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6525 change_queue_index, resolve_dep): New static functions.
6526 (try_ready): New function. Adjust callers in sched-rgn.c and
6527 sched-ebb.c to use it instead of ready_add.
6528 (clock_var): Move at the begining of file.
6529 (rank_for_schedule): Fix typo.
6530 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6531 (ready_lastpos): Enforce assertion.
6532 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6534 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6535 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6536 (queue_to_ready): Use free_INSN_LIST_list.
6537 (early_queue_to_ready): Fix typo.
6538 (schedule_block): Init readyp. Move init_ready_list call after the
6539 initialization of clock_var. Fix error in rejecting insn by
6540 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6541 that previously corrected INSN_TICKs. Add code for handling
6543 (set_priorities): Fix typo.
6544 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6545 Clarify comment and code that keeps current_sched_info->next_tail
6548 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6550 * sched-rgn.c (extend_rgns): New static function.
6551 (find_rgns): Use it.
6552 (gather_region_statistics, print_region_statistics): New static
6554 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6555 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6557 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6558 Andrey Belevantsev <abel@ispras.ru>
6560 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6561 * lists.c (unused_deps_list): New variable.
6562 (free_list): Add assertions to verify the proper distinguishing
6563 between INSN_LISTs and DEPS_LISTs.
6564 (find_list_elem, remove_list_elem, remove_list_node): New static
6566 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6567 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6568 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6569 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6571 (free_INSN_LIST_node): Likewise.
6572 * modulo-sched.c (current_sched_info): Initialize flags field.
6573 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6574 * rtl.def (DEPS_LIST): Define.
6575 * rtl.h: Declare new functions from lists.c.
6576 * sched-deps.c (spec_dependency_cache): New static variable.
6577 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6578 (add_dependence): Change return type to void. Move the logic to ...
6579 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6580 (delete_all_dependences): Add comment about forward_dependency_cache.
6581 Handle spec_dependency_cache. Handle DEPS_LISTs.
6582 (fixup_sched_groups): Clarify the change of priority of output
6583 and anti dependencies.
6584 (sched_analyze_2): Adjust add_dependence calls to create data
6585 speculative dependence.
6586 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6587 Adjust all callers. Handle DEPS_LISTS.
6588 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6589 presence of speculation.
6590 (init_dependency_caches, free_dependency_caches):
6591 Handle spec_dependency_cache.
6592 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6593 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6594 New static functions.
6595 (add_or_update_back_dep, add_or_update_back_forw_dep,
6596 add_back_forw_dep, delete_back_forw_dep): New functions.
6597 * sched-int.h (ds_t, dw_t): New typedefs.
6598 (struct sched_info): Add new field flags.
6599 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6600 Prototype new sched-deps.c functions.
6601 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6602 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6603 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6604 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6605 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6606 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6608 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6610 * sched-rgn.c (current_sched_info): Initialize flags field.
6611 (schedule_insns): Initialize current_sched_info before the sched_init
6613 * sched-ebb.c (current_sched_info): Initialize flags field.
6614 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6615 Call add_or_update_back_dep instead of add_dependence.
6616 Create control speculative dependencies.
6617 (schedule_insns): Initialize current_sched_info before the sched_init
6620 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6622 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6624 (sh_fallback_frame_state): Likewise.
6626 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6628 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6629 Do switch on default_use_cxa_atexit.
6630 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6631 * config/darwin-crt3.o: New.
6632 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6633 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6634 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6636 * config/rs6000/t-darwin: Move crt2.o building to here.
6637 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6638 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6641 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6643 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6644 from '! xxx' to '!xxx' for coding-style conformance.
6645 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6646 (EXTRA_CONSTRAINT): Likewise.
6647 * config/vax/vax.md (four unnamed insns): Likewise.
6649 2006-03-15 Paul Brook <paul@codesourcery.com>
6651 * config/arm/arm.c (minipool_pad): New.
6652 (add_minipool_forward_ref): Include pool alignment padding in address
6654 (push_minipool_fix): Set minipool_pad.
6655 (minipool_pad): Ditto.
6657 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6659 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6660 instead of GET_CODE() == MEM and REG_P() instead of
6662 (print_operand_address): Likewise.
6663 (vax_address_cost): Likewise.
6664 (vax_rtx_costs): Likewise.
6665 (vax_notice_update_cc): Likewise.
6666 (vax_output_int_add): Likewise.
6667 (INDEX_REGISTER_P): Likewise.
6668 (BASE_REGISTER_P): Likewise.
6669 (nonindexed_address_p): Likewise.
6670 (vax_mode_dependent_address_p): Likewise.
6671 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6672 (PRINT_OPERAND): Likewise.
6673 * config/vax/vax.md (ashlsi3): Likewise.
6674 (ashlsi3): Likewise.
6675 (some more unnamed insns): Likewise.
6677 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6679 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6680 iterator-style macro.
6681 (mark_control_dependent_edges_necessary): Update the use of
6682 EXECUTE_IF_CONTROL_DEPENDENT.
6684 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6686 * config/sh/predicates.md (cache_address_operand): Special.
6687 (ua_address_operand): Likewise.
6689 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6691 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6693 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6695 2006-03-15 Andreas Schwab <schwab@suse.de>
6697 * gensupport.c (identify_predicable_attribute): Don't free p_false
6698 when it is still in use.
6700 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6702 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6703 the default setting here.
6705 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6707 * tree-pass.h (pass_cfg): Remove.
6708 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6709 * passes.c (pass_cfg): Don't run it.
6711 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6713 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6714 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6716 (stack_regs_mentioned): Update the uses of
6717 stack_regs_mentioned_data. Don't access the array beyond its
6719 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6720 Don't include gt-reg-stack.h.
6722 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6723 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6725 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6728 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6731 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6733 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6735 2006-03-14 Richard Guenther <rguenther@suse.de>
6737 PR tree-optimization/26672
6738 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6741 2006-03-14 Richard Guenther <rguenther@suse.de>
6743 PR tree-optimization/26667
6744 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6745 node for the callees. Always allow inlining if it will shrink
6748 2006-03-14 Richard Guenther <rguenther@suse.de>
6751 * builtins.c (get_pointer_alignment): Prefer alignment
6752 information from decls over that from types.
6754 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6757 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6759 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6761 * config/rs6000/rs6000.opt (mdlmzb): New option.
6762 (msched-prolog, msched-epilog): Use Var not Mask.
6763 * doc/invoke.texi (-mdlmzb): Document.
6764 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6766 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6767 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6769 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6771 PR rtl-optimization/25739
6772 * bt-load.c (augment_live_range): Free tos pointer.
6774 * gensupport.c (identify_predicable_attribute): Free
6776 * gcov.c (create_file_names): Free name pointer.
6778 2006-03-13 Roger Sayle <roger@eyesopen.com>
6781 * stmt.c (emit_case_nodes): Handle the case where the index is a
6782 CONST_INT, where the comparison mode is specified by the index type.
6784 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6786 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6789 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6791 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6792 (*branch_fp_inverted): Likewise.
6794 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6797 * omp-low.c (expand_omp_for_generic): Mark istart0
6798 and iend0 as addressable.
6800 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6802 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6804 2006-03-13 Jeff Law <law@redhat.com>
6806 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6807 virtual operands are interesting.
6808 (vrp_visit_stmt): Corresponding changes.
6810 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6812 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6814 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6815 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6816 * config/bfin/crti.S: Use it instead of __PIC__.
6817 * config/bfin/crtn.S: Likewise.
6819 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6820 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6822 Lose 'G' modifier for call operand.
6823 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6824 recognize 'G' modifier.
6826 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6829 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6830 * stmt.c (expand_case): Likewise.
6832 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6834 PR rtl-optimization/26254
6835 * loop-invariant.c (seq_insns_valid_p): New function.
6836 (move_invariant_reg): Only emit new code if it is valid.
6838 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6840 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6842 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6843 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6844 (commit_one_edge_insertion): Do not look for loop notes.
6846 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6848 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6849 flag_test_coverage out of loop.
6851 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6853 * final.c (shorten_branches): Remove outdated comment, and turn
6854 the if branch that guards it to continue.
6856 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6858 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6859 * cfgloop.h (struct loop): Remove unused fields.
6861 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6863 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6864 (-dL, -fdump-rtl-loop2): Update the dump file names
6866 * doc/invoke.texi: Update dump file names.
6868 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6870 * predict.c (estimate_probability): Remove.
6871 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6872 * basic-block.h (estimate_probability): Remove prototype.
6873 * passes.c (finish_optimization_passes): Dump branch prediction or
6874 profiling heuristics to the .profile tree dump.
6875 (init_optimization_passes): Unqueue pass_branch_prob.
6877 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6879 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6881 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6882 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6884 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6886 * function.h (frame_offset_overflow): Declare.
6887 * function.c (frame_offset_overflow): New function.
6888 (assign_stack_local_1): Call it to detect that the offset overflows.
6889 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6891 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6893 * config/sh/sh.c: Include alloc-pool.h.
6894 (label_ref_list_pool): New alloc pool.
6895 (label_ref_list_t): New type for lists of labels.
6896 (struct pool_node): Make wend a label_ref_list_t.
6897 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6899 (dump_table): Likewise.
6900 (sh_reorg): Set up the alloc pool before using add_constant and
6901 dump_table, and destroy it when finishing.
6903 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6905 * config/mips/mips.c: Remove redundant comment.
6907 2006-03-10 Jason Merrill <jason@redhat.com>
6910 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6911 the target was declared 'register'.
6913 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6915 * genpreds.c (write_insn_constraint_len): Change definition of
6916 insn_constraint_len to return size_t to match the declaration.
6918 2006-03-10 DJ Delorie <dj@redhat.com>
6920 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6922 (m32c_expand_insv): Fix test for an AND mask.
6924 2006-03-10 Richard Guenther <rguenther@suse.de>
6927 * builtins.c (get_pointer_alignment): Handle component
6928 references for field alignment.
6930 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6932 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6933 when building with libgloss.
6934 (sh*elf): Implement --without-fp option.
6935 (sh64-superh-linux*): Don't multilib.
6937 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6939 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6941 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6943 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6944 Set it when one of the replacement functions returned true.
6945 Return TODO_cleanup_cfg if cfgchanged is true.
6946 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6948 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6950 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6951 instead of gen_lowpart.
6953 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6955 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6957 (mips_output_order_conditional_branch): Declare.
6958 * config/mips/mips.h (MIPS_BRANCH): New macro.
6959 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6960 for the comparison. Use gen_condjump.
6961 (mips_output_conditional_branch): Rework interface to take the
6962 asm templates for a direct branch and the inverse of a direct branch.
6963 (mips_output_order_conditional_branch): New function.
6964 (mips_builtin_branch_and_move): New function.
6965 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6966 branch condition. Use gen_single_cc as the condition for
6967 __builtin_mips_upper_* or __builtin_mips_lower_*.
6968 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6969 Use VOIDmode for the branch condition.
6970 * config/mips/predicates.md (order_operator): New predicate.
6971 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6972 (branch_fp): Rename to...
6973 (*branch_fp): ...this. Remove mode from comparison operator.
6974 Use new mips_output_conditional_branch interface.
6975 (branch_fp_inverted): Rename to...
6976 (*branch_fp_inverted): ...this and update as for *branch_fp.
6977 (*branch_zero<mode>): Rename to...
6978 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6979 Use mips_output_order_conditional_branch. Only accept ordered
6981 (*branch_zero<mode>_inverted): Rename to...
6982 (*branch_order<mode>_inverted): ...this and update as for
6983 *branch_order<mode>.
6984 (*branch_equality<mode>): Accept zero as the second operand to
6985 the equality operator. Use the new mips_output_conditional_branch
6987 (*branch_equality<mode>_inverted): Likewise.
6988 (condjump): New expander.
6989 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6991 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6992 (bc1any2t, bc1any2f): Likewise.
6993 (single_cc): New expander.
6994 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6996 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6998 * doc/md.texi: Update documentation of MIPS constraints.
6999 * config/mips/constraints.md: New file.
7000 * config/mips/mips.md: Include it.
7001 * config/mips/mips.c (mips_char_to_class): Delete.
7002 (override_options): Don't initialize mips_char_to_class.
7003 * config/mips/mips.h (mips_char_to_class): Delete.
7004 (REG_CLASS_FROM_LETTER): Delete.
7005 (CONST_OK_FOR_LETTER_P): Delete.
7006 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7007 (EXTRA_CONSTRAINT_Y): Delete.
7008 (EXTRA_CONSTRAINT_STR): Delete.
7009 (CONSTRAINT_LEN): Delete.
7010 (EXTRA_MEMORY_CONSTRAINT): Delete.
7012 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7014 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7015 original fn's eh regions.
7017 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7019 * fold-const.c (build_range_check): Make sure to use a valid type to
7020 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7023 (range_predecessor): New static function.
7024 (range_successor): Likewise.
7025 (merge_ranges): Use them to compute predecessors and successors of
7028 2006-03-09 Roger Sayle <roger@eyesopen.com>
7031 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7032 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7034 2006-03-08 DJ Delorie <dj@redhat.com>
7036 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7037 (addpsi3): Expand to include memory operands. Remove
7038 reload-specific splits.
7039 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7040 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7041 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7042 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7043 (shift1_qi, shift1_hi, insv): New.
7044 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7045 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7046 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7048 * config/m32c/m32c-protos.h: Update as needed.
7049 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7050 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7051 Fail for unrecognized R* constraints.
7052 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7053 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7054 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7056 (m32c_init_libfuncs): New.
7057 (m32c_legitimate_address_p): Add debug wrapper.
7058 (m32c_rtx_costs): New.
7059 (m32c_address_cost): New.
7060 (conversions): Add 'B' prefix.
7061 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7062 operands, or word regnames for QI operands. 'B' prints bit
7064 (m32c_expand_setmemhi): New.
7065 (m32c_expand_movmemhi): New.
7066 (m32c_expand_movstr): New.
7067 (m32c_expand_cmpstr): New.
7068 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7069 (m32c_expand_neg_mulpsi3): Handle non-ints.
7070 (m32c_cmp_flg_0): New.
7071 (m32c_expand_movcc): New.
7072 (m32c_expand_insv): New.
7073 (m32c_scc_pattern): New.
7074 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7075 a0/a1 out of SIregs.
7076 (STORE_FLAG_VALUE): New.
7077 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7080 * config/m32c/mov.md: Make constraints more liberal.
7081 (zero_extendqihi2): Optimize r0/r1 case.
7082 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7083 * config/m32c/predicates.md (m32c_any_operand): New.
7084 (m32c_nonimmediate_operand): New.
7085 (m32c_hl_operand): New.
7086 (m32c_r3_operand): New.
7089 (memsym_operand): New.
7090 (memimmed_operand): New.
7091 (a_qi_operand): New.
7092 (m32c_eqne_operator): New.
7093 (m32c_1bit8_operand): New.
7094 (m32c_1bit16_operand): New.
7095 (m32c_1mask8_operand): New.
7096 (m32c_1mask16_operand): New.
7097 * config/m32c/blkmov.md: New file.
7098 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7100 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7102 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7103 unsigned to fix signed/unsigned comparison issue in
7104 DWARF2_FRAME_REG_OUT.
7105 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7106 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7108 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7109 of ptr into the ENABLE_CHECKING section.
7111 2006-03-08 Jeff Law <law@redhat.com>
7113 * tree-vrp.c (infer_value_range): Only count pointer uses
7114 and dereferences if -fdelete-null-pointer-checks is enabled.
7116 * tree-vrp.c (find_assert_locations): Infer value ranges for
7117 single use pointers, but do not create ASSERT_EXPRs for them.
7118 When a non-null range is inferred for a pointer, backwards
7119 propagate that range to other equivalent pointers through the
7122 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7125 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7126 language hook targets.
7127 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7128 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7129 if language hook targets were missing.
7131 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7133 * tree-ssa-opfinalize.h: Removed.
7134 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7136 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7137 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7138 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7139 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7140 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7141 finalize_ssa_v_must_def_ops): New.
7143 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7145 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7148 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7150 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7152 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7153 addresses with offsets; reorganize.
7155 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7156 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7157 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7159 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7162 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7164 2006-03-08 Ben Elliston <bje@au.ibm.com>
7166 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7168 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7171 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7174 2006-03-07 Richard Guenther <rguenther@suse.de>
7176 PR tree-optimization/26587
7177 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7179 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7181 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7183 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7185 * hooks.c (hook_bool_mode_rtx_true): New function.
7186 * hooks.h (hook_bool_mode_rtx_true): Declare.
7187 * toplev.c (compile_file): Call output_shared_constant_pool.
7188 * varasm.c (shared_constant_pool): New variable.
7189 (assemble_start_function, assemble_end_function): Remove arguments
7190 from call to output_constant_pool.
7191 (create_constant_pool): New function, split out from...
7192 (init_varasm_status): ...here.
7193 (force_const_mem): Choose between the shared and per-function constant
7194 pools. Set current_function_uses_const_pool when reusing old entries
7195 as well as when creating new ones.
7196 (mark_constant): Ignore data argument.
7197 (mark_constants): Remove pool argument.
7198 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7199 to decide whether the function uses a constant pool.
7200 (output_constant_pool_contents): New function, split out from...
7201 (output_constant_pool): ...here.
7202 (output_shared_constant_pool): New function.
7203 (init_varasm_once): Initialize shared_constant_pool.
7204 * output.h (output_constant_pool): Delete.
7205 (output_shared_constant_pool): Declare.
7206 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7207 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7209 2006-03-06 Nick Clifton <nickc@redhat.com>
7211 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7212 flag_strength_reduce.
7214 2006-03-06 Ben Elliston <bje@au.ibm.com>
7216 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7217 x86_64-*-linux* configurations.
7219 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7220 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7222 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7224 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7226 * basic-block.h: Remove the extern for
7227 rediscover_loops_after_threading.
7229 * cfgloop.c (cancel_loop): Make it static.
7230 * cfgloop.h: Remove the prototype for cancel_loop.
7232 * flow.c (recompute_reg_usage): Make it static.
7233 * rtl.h: Remove the prototype for recompute_reg_usage.
7235 * function.c (use_return_register): Make it static.
7236 * function.h: Remove the prototype.
7238 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7240 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7242 * recog.h: Remove the prototype for
7243 validate_change_maybe_volatile.
7245 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7247 * rtlanal.c (replace_reg): Remove.
7248 * rtl.h: Remove the prototype for replace_reg.
7250 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7252 * regclass.c (reg_scan_update): Remove.
7253 (reg_scan_mark_refs): Remove the last argument.
7254 * rtl.h: Remove the prototype for reg_scan_update.
7256 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7258 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7259 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7260 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7261 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7262 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7263 loop-invariant.c, omp-low.c, opts.c, passes.c,
7264 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7265 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7266 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7267 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7268 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7269 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7271 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7273 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7274 * dwarf2out.h: Remove the prototype for
7275 dwarf2out_add_library_unit_info.
7277 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7279 * tree.c (add_var_to_bind_expr): Remove.
7280 * tree.h: Remove the prototype for add_var_to_bind_expr.
7282 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7284 * regclass.c (n_non_fixed_regs): Remove.
7285 (init_reg_sets_1, globalize_reg): Remove all uses of
7287 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7289 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7291 * rtlanal.c (insns_safe_to_move_p): Remove.
7292 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7294 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7296 * expmed.c (expand_mult_add): Remove.
7297 * expr.h: Remove the prototype for expand_mult_add.
7299 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7301 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7302 and REG_SAVED_VAL_EXP constants.
7303 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7304 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7305 Handle regs stored by value.
7306 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7307 (execute_cfa_program): Handle DW_CFA_val_offset,
7308 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7309 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7310 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7311 (uw_install_context_1): Handle target regs stored by value.
7313 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7315 * tree-sra.c (tree_sra): Return todoflags;
7316 (generate_one_element): Set TODO_update_smt_usage if needed.
7317 (pass_sra): Remove TODO_update_smt_usage.
7318 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7320 (tree_ssa_forward_propagate_single_use_vars): Return
7321 TODO_update_smt_usage if we need to update SMT usage.
7322 (pass_forwprop): Remove TODO_update_smt_usage.
7324 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7326 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7327 (correct_use_link): Remove reference to get_stmt_operands.
7328 (update_stmt_operands): Likewise.
7329 (get_modify_expr_operands): New function factored out of
7330 parse_ssa_operands and get_expr_operands.
7331 Try to create V_MUST_DEFs for LHS by default.
7332 (get_expr_operands) <case MODIFY_EXPR>: Call
7333 get_modify_expr_operands.
7334 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7335 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7336 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7337 get_modify_expr_operands.
7339 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7341 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7342 * tree-flow.h: Remove the prototype for
7343 referenced_var_lookup_if_exists.
7345 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7347 PR rtl-optimization/26345
7349 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7351 2006-03-03 Roger Sayle <roger@eyesopen.com>
7353 PR tree-optimization/26524
7354 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7355 fold_convert to create a constant of the appropriate type.
7357 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7359 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7360 SYMBOL_REF_IN_BLOCK_P.
7361 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7362 of SYMBOL_FLAG_IN_BLOCK.
7363 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7364 instead of SYMBOL_REF_IN_BLOCK_P.
7365 * explow.c (use_anchored_address): Likewise.
7366 * rtl.c (rtx_size): Likewise.
7367 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7368 instead of SYMBOL_FLAG_IN_BLOCK.
7369 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7370 SYMBOL_REF_IN_BLOCK_P.
7371 (assemble_variable): Likewise.
7372 (output_constant_def_contents): Likewise.
7373 (output_constant_pool): Likewise.
7374 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7375 instead of SYMBOL_FLAG_IN_BLOCK.
7376 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7377 SYMBOL_REF_IN_BLOCK_P.
7378 (SYMBOL_REF_BLOCK): Likewise.
7379 (SYMBOL_REF_OFFSET): Likewise.
7380 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7381 SYMBOL_REF_IN_BLOCK_P.
7382 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7383 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7384 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7385 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7387 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7389 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7391 2006-03-02 Roger Sayle <roger@eyesopen.com>
7393 * simplify-rtx.c (simplify_unary_operation): When simplifying
7394 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7395 that we perform the right shift in the appropriate mode, and
7396 then extend or truncate the result to requested mode.
7398 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7400 * gengtype.c (main): Handle double_int type.
7401 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7402 * double-int.c: New file.
7403 * double-int.h: New file.
7404 * system.h: Include doubleint.h.
7405 * Makefile.in (SYSTEM_H): Include double-int.h.
7406 (double-int.o): Add.
7408 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7411 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7414 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7416 * tree-vrp.c (remove_range_assertions): Do not update statements
7419 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7421 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7423 * gcse.c (rest_of_handle_gcse): Ditto.
7424 * except.c (gate_handle_eh): Ditto.
7425 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7426 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7428 2006-03-02 Eric Christopher <echristo@apple.com>
7430 * config/i386/i386.c (machopic_output_stub): Add indirection to
7433 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7437 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7439 Sun Niagara specific optimizations.
7440 * config.gcc: Recognize niagara as target.
7441 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7442 (TARGET_CPU_niagara): Define.
7443 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7444 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7445 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7446 (ASM_CPU_SPEC): Likewise.
7447 (PROCESSOR_NIAGARA): New enum entry.
7448 (REGISTER_MOVE_COST): Handle Niagara.
7449 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7450 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7451 (sparc_override_options): Recognize "niagara", set appropriate
7452 default MASK_* values for it, and align functions to 32-bytes
7453 by default just like ULTRASPARC/ULTRASPARC3.
7454 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7455 (sparc64_initialize_trampoline): Likewise.
7456 (sparc_use_sched_lookahead): Use zero for niagara.
7457 (sparc_issue_rate): Use one for niagara.
7458 * config/sparc/niagara.md: New file.
7459 * config/sparc/sparc.md: Include it.
7460 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7461 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7462 when default cpu is niagara.
7463 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7464 (ASM_CPU_SPEC): Likewise.
7465 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7466 when default cpu is niagara.
7467 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7468 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7469 just like v9/ultrasparc/ultrasparc3.
7470 * doc/invoke.texi: Add documentation for "niagara" and improve
7471 existing documentation for ultrasparc variants.
7473 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7475 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7477 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7479 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7480 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7481 and say that only one is needed.
7482 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7483 * target.h (have_switchable_bss_sections): New hook.
7484 * explow.c (use_anchored_address): Check that the symbol is in a block.
7485 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7486 (bss_noswitch_section): New variables.
7487 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7488 (get_noswitch_section): New function.
7489 (get_block_for_section): Allow SECT to be null.
7490 (unlikely_text_section_p): Use SECTION_STYLE.
7491 (bss_initializer_p): New function.
7492 (get_variable_section): Move earlier in file. Take a new argument,
7493 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7494 Return one of the new *_sections in such cases.
7495 (get_block_for_decl): New function, extracting some logic from
7496 use_blocks_for_decl_p.
7497 (change_symbol_section): Remove in favor of...
7498 (change_symbol_block): ...this new function.
7499 (use_blocks_for_decl_p): Remove checks now performed by
7501 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7502 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7503 (emit_local, emit_bss, emit_common): ...these new functions.
7504 Return true if the alignment was honored.
7505 (emit_tls_common): New function.
7506 (asm_emit_uninitialised): Delete.
7507 (assemble_variable_noswitch): New function, split out from...
7508 (assemble_variable): ...here. Don't make decisions about common
7509 variables here. Globalize all public decls that go into non-common
7510 sections. Check whether SYMBOL_REF_BLOCK is null.
7511 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7512 (output_constant_pool): Likewise.
7513 (init_varasm_once): Initialize the new section variables.
7514 (have_global_bss_p): New function.
7515 (categorize_decl_for_section): Use bss_initializer_p.
7516 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7517 (place_block_symbol): Assert that the symbol must be in a block.
7518 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7519 (TARGET_INITIALIZER): Include it.
7520 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7521 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7522 (SECTION_MACH_DEP): Bump by two.
7523 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7524 (unnamed_section): Mention SECTION_UNNAMED in comment.
7525 (named_section): Likewise SECTION_NAMED.
7526 (noswitch_section_callback): New type.
7527 (noswitch_section): New structure.
7528 (section): Add a noswitch_section alternative.
7529 (SECTION_STYLE): New macro.
7530 (tls_comm_section, comm_section, lcomm_section): Declare.
7531 (bss_noswitch_section, have_global_bss_p): Declare.
7532 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7533 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7535 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7536 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7539 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7541 * tree-vrp.c (execute_vrp): Return value.
7542 * regrename.c (rest_of_handle_regrename): Ditto.
7543 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7544 * tree-complex.c (tree_lower_complex): Ditto.
7545 (tree_lower_complex_O0): Ditto.
7546 * tracer.c (rest_of_handle_tracer): Ditto.
7547 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7548 * postreload.c (rest_of_handle_postreload): Ditto.
7549 * tree-tailcall.c (execute_tail_recursion): Ditto.
7550 (execute_tail_calls): Ditto.
7551 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7552 * tree.h (init_function_for_compilation): Ditto.
7553 * ipa-cp.c (ipcp_driver): Ditto.
7554 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7555 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7556 * final.c (compute_alignments): Ditto.
7557 (rest_of_handle_final): Ditto.
7558 (rest_of_handle_shorten_branches): Ditto.
7559 (rest_of_clean_state): Ditto.
7560 * omp-low.c (execute_expand_omp): Ditto.
7561 (execute_lower_omp): Ditto.
7562 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7563 * ipa-reference.c (static_execute): Ditto.
7564 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7565 * reorg.c (rest_of_handle_delay_slots): Ditto.
7566 (rest_of_handle_machine_reorg): Ditto.
7567 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7568 * flow.c (recompute_reg_usage): Ditto.
7569 (rest_of_handle_remove_death_notes): Ditto.
7570 (rest_of_handle_life): Ditto.
7571 (rest_of_handle_flow2): Ditto.
7572 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7573 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7574 (do_ssa_store_ccp): Ditto.
7575 (execute_fold_all_builtins): Ditto.
7576 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7577 * modulo-sched.c (rest_of_handle_sms): Ditto.
7578 * ipa-pure-const.c (static_execute): Ditto.
7579 * cse.c (rest_of_handle_cse): Ditto.
7580 (rest_of_handle_cse2): Ditto.
7581 * web.c (rest_of_handle_web): Ditto.
7582 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7583 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7584 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7585 * tree-nrv.c (tree_nrv): Ditto.
7586 (execute_return_slot_opt): Ditto.
7587 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7588 (create_structure_vars): Ditto.
7589 * loop-init.c (rtl_loop_init): Ditto.
7590 (rtl_loop_done): Ditto.
7591 (rtl_move_loop_invariants): Ditto.
7592 (rtl_unswitch): Ditto.
7593 (rtl_unroll_and_peel_loops): Ditto.
7594 (rtl_doloop): Ditto.
7595 * gimple-low.c (lower_function_body): Ditto.
7596 (mark_used_blocks): Ditto.
7597 * tree-ssa-sink.c (execute_sink_code): Ditto.
7598 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7599 (cgraph_early_inlining): Ditto.
7600 * global.c (rest_of_handle_global_alloc): Ditto.
7601 * jump.c (cleanup_barriers): Ditto.
7602 (purge_line_number_notes): Ditto.
7603 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7604 (rest_of_handle_if_after_reload): Ditto.
7605 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7606 (tree_ssa_loop_im): Ditto.
7607 (tree_ssa_loop_unswitch): Ditto.
7608 (tree_vectorize): Ditto.
7609 (tree_linear_transform): Ditto.
7610 (tree_ssa_loop_ivcanon): Ditto.
7611 (tree_ssa_empty_loop): Ditto.
7612 (tree_ssa_loop_bounds): Ditto.
7613 (tree_complete_unroll): Ditto.
7614 (tree_ssa_loop_prefetch): Ditto.
7615 (tree_ssa_loop_ivopts): Ditto.
7616 (tree_ssa_loop_done): Ditto.
7617 * predict.c (tree_estimate_probability): Ditto.
7618 * recog.c (split_all_insns_noflow): Ditto.
7619 (rest_of_handle_peephole2): Ditto.
7620 (rest_of_handle_split_all_insns): Ditto.
7621 * tree-eh.c (lower_eh_constructs): Ditto.
7622 * regmove.c (rest_of_handle_regmove): Ditto.
7623 (rest_of_handle_stack_adjustments): Ditto.
7624 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7625 * function.c (instantiate_virtual_regs): Ditto.
7626 (init_function_for_compilation): Ditto.
7627 (rest_of_handle_check_leaf_regs): Ditto.
7628 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7629 (rest_of_handle_gcse): Ditto.
7630 * ipa-type-escape.c (type_escape_execute): Ditto.
7631 * alias.c (rest_of_handle_cfg): Ditto.
7632 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7633 * profile.c (rest_of_handle_branch_prob): Ditto.
7634 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7635 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7636 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7637 * tree-dfa.c (find_referenced_vars): Ditto.
7638 * except.c (set_nothrow_function_flags): Ditto.
7639 (convert_to_eh_region_ranges): Ditto.
7640 (rest_of_handle_eh): Ditto.
7641 * emit-rtl.c (unshare_all_rtl): Ditto.
7642 (remove_unnecessary_notes): Ditto.
7643 * except.h (set_nothrow_function_flags): Ditto.
7644 (convert_to_eh_region_ranges): Ditto.
7645 * cfgexpand.c (tree_expand_cfg): Ditto.
7646 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7647 * tree-ssa-pre.c (do_pre): Ditto.
7648 (execute_fre): Ditto.
7649 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7650 (rest_of_handle_jump2): Ditto.
7651 * tree-sra.c (tree_sra): Ditto.
7652 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7653 (execute_mudflap_function_decls): Ditto.
7654 * tree-ssa-copy.c (do_copy_prop): Ditto.
7655 (do_store_copy_prop): Ditto.
7656 * ipa-prop.h (ipcp_driver): Ditto.
7657 * cfglayout.c (insn_locators_initialize): Ditto.
7658 * tree-ssa-forwprop.c
7659 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7660 * cfglayout.h (insn_locators_initialize): Ditto.
7661 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7662 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7663 (execute_late_warn_uninitialized): Ditto.
7664 * rtl.h (cleanup_barriers): Ditto.
7665 (split_all_insns_noflow): Ditto.
7666 (purge_line_number_notes): Ditto.
7667 (unshare_all_rtl): Ditto.
7668 (remove_unnecessary_notes): Ditto.
7669 (recompute_reg_usage): Ditto.
7670 (variable_tracking_main): Ditto.
7671 * integrate.c (emit_initial_value_sets): Ditto.
7672 * integrate.h (emit_initial_value_sets): Ditto.
7673 * tree-optimize.c (execute_free_datastructures): Ditto
7674 (execute_free_cfg_annotations): Ditto.
7675 (execute_fixup_cfg): Ditto.
7676 (execute_cleanup_cfg_pre_ipa): Ditto.
7677 (execute_cleanup_cfg_post_optimizing): Ditto.
7678 (execute_init_datastructures): Ditto.
7679 * tree-object-size.c (compute_object_sizes): Ditto.
7680 * combine.c (rest_of_handle_combine): Ditto.
7681 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7682 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7683 (rest_of_handle_reorder_blocks): Ditto.
7684 (rest_of_handle_partition_blocks): Ditto.
7685 * var-tracking.c (variable_tracking_main): Ditto.
7686 * tree-profile.c (tree_profiling): Ditto.
7687 * tree-vect-generic.c (expand_vector_operations): Ditto.
7688 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7689 * sched-rgn.c (rest_of_handle_sched): Ditto.
7690 (rest_of_handle_sched2): Ditto.
7691 * basic-block.h (free_bb_insn): Ditto.
7692 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7693 * tree-cfg.c (execute_build_cfg): Ditto.
7694 (remove_useless_stmts): Ditto.
7695 (split_critical_edges): Ditto.
7696 (execute_warn_function_return): Ditto.
7697 (execute_warn_function_noreturn): Ditto.
7698 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7699 * cfgrtl.c (free_bb_for_insn): Ditto.
7700 * passes.c (execute_one_pass): Run additional
7701 todos returned by execute function.
7702 * tree-pass.h (struct tree_opt_pass): Make execute
7705 2006-03-02 Richard Guenther <rguenther@suse.de>
7707 * tree-ssa-alias.c (find_used_portions): Consider taking
7708 the address as making the variable not write-only.
7710 2006-03-02 Nick Clifton <nickc@redhat.com>
7712 * config.gcc (default_use_cxa_atexit): Extend the description of
7713 this configure variable. Set its default value to "yes" for
7714 Linux, NetBSD and ELF targets on the assumption that they will
7715 use C libraries with the __cxa_atexit function.
7717 2006-03-02 Ben Elliston <bje@au.ibm.com>
7719 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7720 parameter as unused to suppress a build warning.
7722 2006-03-02 Ben Elliston <bje@au.ibm.com>
7724 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7727 2006-03-01 Roger Sayle <roger@eyesopen.com>
7730 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7731 declared name, the weak reference name, and the typeof name.
7732 (__gthrw): Avoid expanding the declared name suffix.
7733 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7735 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7737 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7739 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7740 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7741 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7742 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7743 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7744 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7745 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7746 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7747 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7748 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7749 (DW_END_default, DW_END_big, DW_END_little): New.
7750 (DW_END_lo_user, DW_END_hi_user): Define.
7751 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7752 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7753 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7756 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7758 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7760 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7762 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7764 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7766 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7767 to 'symbol_mem_tag'.
7769 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7772 2006-03-01 Roger Sayle <roger@eyesopen.com>
7774 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7776 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7779 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7780 MACHO_DYNAMIC_NO_PIC_P.
7781 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7783 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7786 * config/darwin-protos.h (darwin_asm_output_anchor):
7788 * config/darwin-sections.def (cstring_section):
7789 Add SECTION_MERGE to the flags.
7790 (literal4_section): Likewise.
7791 (literal8_section): Likewise.
7792 (objc_selector_refs_section): Likewise.
7793 (objc_cls_refs_section): Likewise.
7794 * config/darwin.c (darwin_asm_output_anchor): New
7796 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7798 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7800 Fix PR tree-optimization/26443
7801 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7802 to todo and PROP_tmt_usage to properties_destroyed.
7803 * tree-ssa-ccp.c (pass_ccp): Ditto.
7804 (pass_store_ccp): Ditto.
7805 * tree-ssa-dom.c (pass_dominator): Ditto.
7807 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7809 * tree-ssa-operands.c: Cleanup whitespace.
7810 (get_asm_expr_operands): Move before first invocation.
7811 (get_indirect_ref_operands): Likewise.
7812 (get_tmr_operands): Likewise.
7813 (get_call_expr_operands): Likewise.
7814 (append_def): Likewise.
7815 (append_use): Likewise.
7816 (append_v_may_def): Likewise.
7817 (append_v_must_def): Likewise.
7818 (add_call_clobber_ops): Likewise.
7819 (add_call_read_ops): Likewise.
7820 (add_stmt_operand): Likewise.
7821 (add_virtual_operand): Likewise.
7822 (build_ssa_operands): Likewise.
7824 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7829 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7830 with a call expr to ...
7831 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7833 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7835 * tree-vrp.c (extract_range_from_assert): Remove special
7836 handling for types with super-types.
7838 2006-03-01 Ben Elliston <bje@au.ibm.com>
7840 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7841 and powerpc64-*-linux* configurations.
7842 * config/t-dfprules: New file.
7844 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7845 Compile dfp-bit.c from the source directory using -DWIDTH and
7846 $DFP_CFLAGS to control the compilation of that file, rather than
7847 generating width-specific versions in the build directory.
7848 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7849 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7851 2006-02-28 Zack Weinberg <zackw@panix.com>
7853 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7856 2006-02-28 Eric Christopher <echristo@apple.com>
7858 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7859 Set up IN_LIBGCC definition of TARGET_64BIT.
7860 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7862 2006-02-28 Roger Sayle <roger@eyesopen.com>
7865 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7866 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7867 cases via the construction of "expr != 0".
7869 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7871 * alias.c (alias_invariant, alias_invariant_size): Remove.
7872 (record_base_value): Remove.
7873 (memrefs_conflict_p): Don't look at alias_invariant.
7874 (end_alias_analysis): Don't free it.
7875 * alias.h (record_base_value): Remove prototype.
7877 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7878 Adam Nemet <anemet@caviumnetworks.com>
7880 * rtl.h (truncated_to_mode): Declare it.
7881 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7882 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7883 (RTL_HOOKS_INITIALIZER): Include it.
7884 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7885 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7886 reg_truncated_to_mode.
7887 * rtlanal.c (truncated_to_mode): Define it.
7888 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7890 2006-02-28 Jeff Law <law@redhat.com>
7892 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7893 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7894 the range allowed by TYPE_PRECISION.
7896 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7898 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7900 PR tree-optimization/26419
7901 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7904 2006-02-27 Zack Weinberg <zackw@panix.com>
7906 * doc/md.texi: Fix typo in previous change.
7908 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7912 2006-02-27 Zack Weinberg <zackw@panix.com>
7914 * rtl.def (define_constraint, define_register_constraint)
7915 (define_memory_constraint, define_address_constraint): New MD forms.
7916 * gensupport.c (process_rtx): Put define_constraint etc on the
7918 * genpreds.c (process_define_predicate): Adjust comment. Validate
7919 the name, and call validate_exp to validate the expression.
7920 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7921 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7922 all callers changed.
7923 (validate_exp, needs_variable, struct constraint_data)
7924 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7925 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7926 (const_dbl_constraints, constraint_max_namelen)
7927 (have_register_constraints, have_memory_constraints)
7928 (have_address_constraints, have_address_constraints)
7929 (have_extra_constraints, have_const_int_constraints)
7930 (have_const_dbl_constraints, mangle, add_constraint)
7931 (process_define_constraint, process_define_register_constraint)
7932 (write_enum_constraint_num, write_lookup_constraint)
7933 (write_insn_constraint_len, write_regclass_for_constraint)
7934 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7935 (write_insn_extra_memory_constraint)
7936 (write_insn_extra_address_constraint)
7937 (write_satisfies_constraint_fns): New.
7938 (write_tm_preds_h): If we have new-style constraint definitions,
7939 prototype the functions generated from them, and define the
7940 old constraint interface (still used by generic code) in terms of
7942 (write_insn_preds_c): If we have new-style constraint definitions,
7943 generate all relevant functions from those definitions.
7944 (main): Handle define_constraint etc.
7945 * genoutput.c (struct constraint_data, indep_constraints)
7946 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7947 (mdep_constraint_len): New data structures and functions, defined
7948 #ifdef USE_MD_CONSTRAINTS.
7949 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7950 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7951 use new logic to validate operand constraints against constraint
7953 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7955 * defaults.h: If none of the old-style constraint macros are
7956 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7957 old-style macros; and poison REG_CLASS_FROM_LETTER,
7958 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7960 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7961 * doc/md.texi: Document new constraint-definition mechanism and the
7962 C interface it provides. Remove references to old mechanism
7963 elsewhere in the document.
7964 (Machine Constraints): Use pathnames relative to gcc directory,
7965 i.e. config/ARCH/FILE. Change i386 section to refer to
7966 config/i386/predicates.md; update that section to match docstrings.
7967 * doc/tm.texi: Move all documentation of the old constraint-
7968 definition macros to their own section, clearly mark as obsolete.
7970 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7971 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7973 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7974 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7975 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7977 (splits and peepholes): Use satisfies_constraint_*.
7978 * config/i386/i386.c (memory_address_length)
7979 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7981 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7983 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7984 scalar operation to be put back into the loop.
7986 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7989 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7990 (extract_cie_info): Handle S flag in augmentation string.
7991 (execute_cfa_program): If context->signal_frame, execute also
7992 fs->pc == context->ra instructions.
7993 (uw_frame_state_for): If context->signal_frame, don't subtract one
7994 from context->ra to find FDE.
7995 (uw_update_context_1): Set context->signal_frame to
7997 (_Unwind_GetIPInfo): New function.
7998 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7999 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8001 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8002 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8003 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8004 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8005 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8006 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8007 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8008 x86_64_fallback_frame_state): Set fs->signal_frame.
8009 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8010 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8011 (frob_update_context): Likewise. Workaround missing S flag in
8012 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8013 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8014 Remove the psw_addr + 1 hack.
8016 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8018 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8019 with aggregates here.
8020 (find_func_aliases): Remove code for &<aggregate> from here.
8022 2006-02-26 Roger Sayle <roger@eyesopen.com>
8024 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8025 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8026 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8029 2006-02-26 Roger Sayle <roger@eyesopen.com>
8032 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8034 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8036 * opts.c (decode_options): Do not handle flag_strength_reduce.
8037 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8038 and OPT_fstrength_reduce.
8039 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8040 flag_prefetch_loop_arrays for being nonzero.
8041 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8043 (fprefetch-loop-arrays-rtl): Removed.
8044 (flag_prefetch_loop_arrays): Do not specify the value.
8046 * doc/passes.texi: Update documentation of loop optimizer
8048 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8049 -frerun-loop-opt): Remove.
8051 2006-02-26 Richard Guenther <rguenther@suse.de>
8053 PR tree-optimization/26421
8054 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8055 in function calls that are ADDR_EXPRs as using the whole structure.
8057 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8059 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8060 * tree-pass.h (pass_loop_optimize): Remove.
8061 * passes.c (pass_loop_optimize): Never run it.
8062 * toplev.c (backend_init): Don't call init_loop.
8063 * opts.c (flag_loop_optimize_set): Remove.
8064 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8065 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8066 the old RTL loop optimizer when profiling enabled.
8067 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8068 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8069 pre-headers for the sake of the old RTL loop optimizer.
8070 * Makefile.in: Remove all references to loop.o.
8072 * doc/invoke.texi: Remove all references to -floop-optimize
8073 and -frerun-loop-opt.
8075 2006-02-26 Zack Weinberg <zackw@panix.com>
8077 * doc/md.texi (Machine Constraints): Refer to all files with paths
8078 relative to gcc directory (i.e. config/CPU/file). Add missing
8079 @table @code ... @end table to M32C subsection.
8081 2006-02-26 Roger Sayle <roger@eyesopen.com>
8083 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8085 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8087 2006-02-26 Roger Sayle <roger@eyesopen.com>
8088 James A. Morrison <phython@gcc.gnu.org>
8091 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8092 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8093 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8094 signedness of the shift operation.
8096 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8098 PR tree-optimization/26359
8099 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8101 2006-02-25 Roger Sayle <roger@eyesopen.com>
8103 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8104 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8105 as X == 0, and some symmetry related transformations.
8106 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8108 2006-02-25 Roger Sayle <roger@eyesopen.com>
8111 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8112 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8113 symmetry related transformations. Fold (X^C1) == C2 as
8116 2006-02-25 Juergen Weigert <jw@suse.de>
8117 Richard Guenther <rguenther@suse.de>
8119 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8121 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8123 * combine.c (gen_lowpart_or_truncate): Call
8124 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8126 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8128 * doc/invoke.texi: Move -fopenmp description to "Options for
8130 Remove reference to -lgomp.
8132 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8134 * doc/install.texi: Require GNU tar version 1.14.
8136 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8138 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8139 * doc/invoke.texi (C++ Dialect Options): Document
8140 -fno-use-cxa-get-exception-ptr.
8141 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8142 * configure: Regenerate.
8143 * c.opt (fuse-cxa-get-exception-ptr): New.
8144 * c-opts.c (c_common_handle_option): Handle
8145 OPT_fuse_cxa_get_exception_ptr.
8146 * c-common.c (flag_use_cxa_atexit): Update documentation.
8147 (flag_use_cxa_get_exception_ptr): New.
8148 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8149 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8151 (C_COMMON_OVERRIDE_OPTIONS): New.
8153 2006-02-24 Roger Sayle <roger@eyesopen.com>
8156 * combine.c (try_combine): Explicitly check whether GET_CODE is
8157 a SET or a CLOBBER, instead on checking that it isn't a USE.
8159 2006-02-24 Roger Sayle <roger@eyesopen.com>
8161 * fold-const.c (fold_comparison): New subroutine of fold_binary
8162 containing transformations common to both the equality and
8163 ordering relational operators, factored out of fold_binary.
8164 (fold_binary): Separate out the equality operators (EQ_EXPR
8165 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8166 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8167 transformations common to both.
8168 (fold_div_compare): Fix latent bugs in the previously unreachable
8169 LT_EXPR and GE_EXPR cases.
8171 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8173 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8174 decl libname for clog to __clog on AIX.
8176 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8178 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8181 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8182 output traceback table for thunks. Localise rs6000_stack_info call.
8184 2006-02-23 Roger Sayle <roger@eyesopen.com>
8185 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8187 * gthr-posix.h (__gthrw): Fix typo in comment.
8189 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8191 * doc/cpp.texi (Character sets): Document that we do support
8192 input files to be in any character set.
8194 2006-02-23 Jeff Law <law@redhat.com>
8196 * tree.h (PHI_ARG_NONZERO): Remove.
8197 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8198 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8199 node to the new node.
8201 PR tree-optimization/26425
8202 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8203 min/max, then assume its varying.
8205 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8207 PR rtl-optimization/26316
8208 * rtlanal.c (enum may_trap_p_flags): New.
8209 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8210 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8211 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8212 (may_trap_after_code_motion_p): New function.
8213 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8214 (find_invariant_insn): Use may_trap_after_code_motion_p.
8215 * rtl.h (may_trap_after_code_motion_p): Declare.
8217 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8219 * emit-rtl.c (immed_double_const): Cleanup.
8221 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8223 Fix PR tree-optimization/26376
8224 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8227 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8230 * gimplify.c (omp_add_variable): Guard variable size decl test with
8231 DECL_SIZE (decl) check.
8233 2006-02-23 Richard Guenther <rguenther@suse.de>
8236 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8237 like aggregate types.
8239 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8241 * configure.ac: Add --with{,out}-long-double-128 configure option.
8242 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8243 * configure: Rebuilt.
8244 * config.in: Rebuilt.
8245 * doc/install.texi (Options specification): Document
8246 --with-long-double-128.
8248 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8249 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8250 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8251 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8253 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8255 * config/s390/s390.c (override_options): Handle
8256 TARGET_DEFAULT_LONG_DOUBLE_128.
8258 * config/alpha/alpha.c (override_options): Handle
8259 TARGET_DEFAULT_LONG_DOUBLE_128.
8261 * config/sparc/sparc.c (sparc_override_options): Handle
8262 TARGET_DEFAULT_LONG_DOUBLE_128.
8264 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8266 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8267 (real-install-headers-tar, real-install-headers-cpio)
8268 (real-install-headers-cp): New targets.
8270 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8272 * tree.h (variable_section): Delete.
8273 * varasm.c (variable_section): Delete.
8275 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8277 * install.texi: Add notes on install.texi2html.
8278 (Building in parallel): Do not use footnotes.
8280 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8283 * doc/install.texi (Configuration): Document --disable-libgomp.
8285 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8287 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8289 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8291 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8292 (vec_extractv2df_0_sse): New.
8294 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8296 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8297 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8298 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8299 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8300 to the result of the expression.
8301 (def_cfa_1): Adjust.
8302 (frame_pointer_cfa_offset): Rename to...
8303 (frame_pointer_fb_offset): ... this. Adjust all uses.
8304 (convert_cfa_to_loc_list): Rename to...
8305 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8306 Pass it on to build_cfa_loc.
8307 (compute_frame_pointer_to_cfa_displacement): Rename to...
8308 (compute_frame_pointer_to_fb_displacement): ... this. New
8309 offset parameter. Use it in computation.
8310 (gen_subprogram_die): Compute cfa_fb_offset with the new
8311 macro, and use it to compute the fb loc list and the
8314 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8316 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8317 replaced with register_operand.
8318 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8319 non-DREG is expensive.
8320 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8321 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8324 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8326 * doc/install.texi2html: Use set -e.
8328 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8330 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8331 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8332 * doc/invoke.texi (-fshared-data): Delete.
8333 * common.opt (fshared-data): Delete.
8334 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8335 (assemble_static_space): Remove #if 0 code.
8336 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8337 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8338 * config/cris/cris.h: Remove FIXME.
8340 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8342 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8345 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8348 * combine.c (simplify_shift_const_1): Disable nested shifts
8349 optimization for vector shifts.
8351 2006-02-20 Roger Sayle <roger@eyesopen.com>
8353 PR tree-optimization/26361
8354 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8355 of unsigned integer types.
8357 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8359 * tree-chrec.c (eq_evolutions_p): New.
8360 * tree-chrec.h (eq_evolutions_p): Declared.
8361 * tree-data-ref.c: Fix formatting.
8362 (datadep_stats, dependence_stats): New.
8364 (print_direction_vector): New.
8365 (dump_data_dependence_relation): Use print_direction_vector.
8366 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8367 (compute_subscript_distance): Static.
8368 (initialize_data_dependence_relation): Static. Get the number
8369 of loops surrounding the references from the callers, and initialize
8370 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8371 base_object_differ_p analyzers.
8372 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8373 compute_overlap_steps_for_affine_1_2,
8374 analyze_subscript_affine_affine): Count the classified dependences.
8375 Print a message when a test failed.
8376 (can_use_analyze_subscript_affine_affine): New.
8377 (analyze_siv_subscript): Compute the data dependences on symbolic
8378 scevs that verify can_use_analyze_subscript_affine_affine.
8379 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8380 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8381 Handle symbolic scevs.
8382 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8384 (subscript_dependence_tester): Moved...
8385 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8386 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8387 DDR_SIZE_VECT instead of getting it in parameter.
8388 (subscript_dependence_tester): ... here. Take as a parameter
8389 loop_nest_depth. Call build_classic_dist_vector and
8390 build_classic_dir_vector.
8391 (compute_affine_dependence): Update subscript_dependence_tester
8392 parameters. Update datadep_stats counters. Call
8393 compute_subscript_distance.
8394 (compute_self_dependence): Save the dist and dir vectors. Call
8395 compute_subscript_distance.
8396 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8397 (compute_all_dependences): Reorder parameters as they were before
8398 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8399 compute_subscript_distance. Update the use of
8400 compute_affine_dependence and initialize_data_dependence_relation.
8401 (find_data_references_in_loop): Handle COMPONENT_REF.
8402 (compute_data_dependences_for_loop): Initialize dependence_stats.
8403 Don't call build_classic_dist_vector and build_classic_dir_vector.
8404 Update the parameters of initialize_data_dependence_relation and
8405 compute_all_dependences. Print the statistics from datadep_stats.
8406 (analyze_all_data_dependences): Static. Not used until the pass for
8407 checking the data dependences is contributed.
8408 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8409 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8410 (initialize_data_dependence_relation, compute_affine_dependence,
8411 analyze_all_data_dependences, compute_subscript_distance): Removed.
8412 (print_direction_vector): New.
8413 * lambda.h (gcd): ... here.
8414 (lambda_vector_gcd): Moved here from gcd_vector.
8415 * lambda-code.c (gcd, gcd_vector): Removed.
8416 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8417 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8419 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8421 * ipa-type-escape.c: Tidy some comments and white space.
8422 * tree-ssa-operands.c: Likewise.
8424 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8427 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8428 (dump_decl_name): Do not walk the decl tree chains.
8429 * tree-pass.h (TDF_CHAIN): Remove.
8431 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8433 * Makefile.in (C): Remove
8435 (.PHONY): Remove C and PROTO
8437 2006-02-20 Roger Sayle <roger@eyesopen.com>
8440 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8441 deprecated CHAR_TYPE tree code.
8443 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8445 * configure.ac (target_list): Add install-info, dvi, html.
8446 * configure: Regenerate.
8448 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8449 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8450 treelang/Make-lang.in: Do not use double-colon rules.
8452 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8454 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8455 (TMT_USED_ALONE): New macro.
8456 * tree-pass.h (PROP_tmt_usage): New property.
8457 (TODO_update_tmt_usage): New todo.
8458 * tree-ssa-alias.c (updating_used_alone): New variable.
8459 (recalculate_used_alone): New function.
8460 (compute_may_aliases): Set updating_used_alone, call
8461 recalculate_used_alone.
8462 * tree-sra.c (pass_sra): Note that this pass destroys
8463 PROP_tmt_usage, and add TODO_update_tmt_usage.
8464 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8465 * tree-flow.h (updating_used_alone): Prototype.
8466 (recalculate_used_alone): Ditto.
8467 * passes.c (execute_todo): Add code to set updating_used_alone,
8468 and call recalculate.
8469 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8470 for clobber if used alone, and add assert to verify used_alone
8473 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8475 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8476 for non tls symbols added.
8477 (legitimize_address): Do nothing for PLUS expressions if one of the
8478 addends is a tls symbol reference.
8480 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8484 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8486 * Makefile.in (BOOTSTRAPPING): New.
8487 (quickstrap): New definition if BOOTSTRAPPING=yes.
8489 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8490 * configure.ac: Substitute all_selected_languages with the languages
8491 that were configured. For all the other variables except
8492 lang_specs_files, include all the languages in the tree.
8493 * configure: Regenerate.
8495 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8496 if there is one. Run the commands to run fixincludes in the same
8499 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8500 * doc/install.texi: Document exact conventions for searching target tools.
8501 Document --with-build-time-tools. Document toplevel bootstrap. Document
8502 something more about building an Ada cross-compiler. Don't list GNU Make
8503 requirements which affect all platforms.
8505 2006-02-19 Roger Sayle <roger@eyesopen.com>
8508 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8509 only equivalent if the have both the same mode and precision.
8511 2006-02-20 Ben Elliston <bje@au.ibm.com>
8513 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8515 2006-02-19 Roger Sayle <roger@eyesopen.com>
8516 Steven Bosscher <stevenb.gcc@gmail.com>
8518 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8519 constant pool references to identify stack mode constants.
8520 * rtlanal.c (constant_pool_constant_p): New predicate to check
8521 whether operand is a floating point constant in the pool.
8522 * rtl.h (constant_pool_constant_p): Prototype here.
8523 * loop.c (scan_loop): Avoid hoisting constants from the constant
8524 pool on STACK_REGS targets.
8525 (load_mems): Likewise.
8526 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8527 loads into x87 registers expensive in terms of register pressure.
8529 2006-02-19 Roger Sayle <roger@eyesopen.com>
8531 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8532 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8534 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8536 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8537 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8539 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8541 * doc/invoke.texi: Document -fipa-pta.
8542 * common.opt: Add ipa-pta option.
8543 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8544 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8545 (do_ds_constraint): Ditto.
8546 (get_constraint_for): Only add to referenced_vars if
8547 referenced_vars exists.
8548 (insert_into_field_list): Rewrite to do this unsorted.
8549 (insert_into_field_list_sorted): Rename old insert_into_field_list
8551 (create_function_info_for): Use insert_into_field_list_sorted.
8552 (create_variable_info_for): Rewrite so it uses unsorted version,
8553 since the field list is sorted.
8554 (intra_create_variable_infos): Only add to referenced_vars if
8555 referenced_vars exists.
8556 (ipa_pta_execute): Init heapvars, and delete when done.
8557 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8559 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8561 * doc/install.texi: Add missing `@samp'.
8563 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8565 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8568 2006-02-18 Mark Wielaard <mark@klomp.org>
8570 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8571 who added new 4.1 features, bug fixes and integration support.
8573 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8576 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8579 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8581 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8582 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8583 (copy_insn_1): Likewise. Don't copy each field individually.
8585 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8587 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8588 * rtl.c (rtx_size): Rename variable to...
8589 (rtx_code_size): ...this.
8590 (rtx_size): New function.
8591 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8592 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8594 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8595 * rtl.h (rtx_code_size): New variable.
8596 (rtx_size): Change from a variable to a function.
8597 (RTX_SIZE): Rename to...
8598 (RTX_CODE_SIZE): ...this.
8601 PR tree-optimization/17106
8602 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8603 (Anchored Addresses): New section.
8604 * doc/invoke.texi (-fsection-anchors): Document.
8605 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8606 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8607 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8608 * hooks.c (hook_bool_mode_rtx_false): New function.
8609 * hooks.h (hook_bool_mode_rtx_false): Declare.
8610 * gengtype.c (create_optional_field): New function.
8611 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8612 SYMBOL_REF_IN_BLOCK_P is true.
8613 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8614 (min_anchor_offset, max_anchor_offset): Likewise.
8615 (use_anchors_for_symbol_p): New hook.
8616 * toplev.c (compile_file): Call output_object_blocks.
8617 (target_supports_section_anchors_p): New function.
8618 (process_options): Check that -fsection-anchors is only used on
8619 targets that support it and when -funit-at-a-time is in effect.
8620 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8621 if the decl doesn't have one.
8622 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8623 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8624 of force_const_mem through use_anchored_address.
8625 (expand_expr_constant): New function.
8626 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8627 calling expand_expr for INDIRECT_REF.
8628 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8629 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8630 * expr.h (use_anchored_address): Declare.
8631 * loop-unroll.c: Don't declare rtx vectors here.
8632 * explow.c: Include output.h.
8633 (validize_mem): Call use_anchored_address.
8634 (use_anchored_address): New function.
8635 * common.opt (-fsection-anchors): New switch.
8636 * varasm.c (object_block_htab, anchor_labelno): New variables.
8637 (hash_section, object_block_entry_eq, object_block_entry_hash)
8638 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8639 (use_blocks_for_decl_p, change_symbol_section): New functions.
8640 (get_variable_section): New function, split out from assemble_variable.
8641 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8642 use_blocks_for_decl_p say so. Use change_symbol_section if the
8643 symbol has already been created.
8644 (assemble_variable_contents): New function, split out from...
8645 (assemble_variable): ...here. Don't output any code for
8646 block symbols; just pass them to place_block_symbol.
8647 Use get_variable_section and assemble_variable_contents.
8648 (get_constant_alignment, get_constant_section, get_constant_size): New
8649 functions, split from output_constant_def_contents.
8650 (build_constant_desc): Create a block symbol if use_object_blocks_p
8651 says so. Or into SYMBOL_REF_FLAGS.
8652 (assemble_constant_contents): New function, split from...
8653 (output_constant_def_contents): ...here. Don't output any code
8654 for block symbols; just pass them to place_section_symbol.
8655 Use get_constant_section and get_constant_alignment.
8656 (force_const_mem): Create a block symbol if use_object_blocks_p and
8657 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8658 (output_constant_pool_1): Add an explicit alignment argument.
8659 Don't switch sections here.
8660 (output_constant_pool): Adjust call to output_constant_pool_1.
8661 Switch sections here instead. Don't output anything for block symbols;
8662 just pass them to place_block_symbol.
8663 (init_varasm_once): Initialize object_block_htab.
8664 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8665 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8666 (place_block_symbol, get_section_anchor, output_object_block)
8667 (output_object_block_htab, output_object_blocks): New functions.
8668 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8669 (TARGET_ASM_OUT): Include it.
8670 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8671 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8672 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8673 (TARGET_INITIALIZER): Include them.
8674 * rtl.c (rtl_check_failed_block_symbol): New function.
8675 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8676 (block_symbol, object_block): New structures.
8677 (rtx_def): Add a block_symbol field to the union.
8678 (BLOCK_SYMBOL_CHECK): New macro.
8679 (rtl_check_failed_block_symbol): Declare.
8680 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8681 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8682 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8683 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8684 * output.h (output_section_symbols): Declare.
8685 (object_block): Name structure.
8686 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8687 (default_use_anchors_for_symbol_p): Declare.
8688 * Makefile.in (RTL_BASE_H): Add vec.h.
8689 (explow.o): Depend on output.h.
8690 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8691 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8692 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8693 (rs6000_use_blocks_for_constant_p): New function.
8695 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8697 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8699 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8702 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8705 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8707 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8711 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8714 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8715 instead of DECL_REGISTER.
8717 2006-02-18 Olivier Hainque <hainque@adacore.com>
8720 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8722 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8725 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8726 * opth-gen.awk: Handle Var and InverseMask together.
8727 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8728 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8729 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8730 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8732 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8733 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8734 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8735 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8736 LINUX_DYNAMIC_LINKER): Define.
8737 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8738 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8740 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8741 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8742 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8743 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8744 (TARGET_C99_FUNCTIONS): Don't define.
8745 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8746 GLIBC_DYNAMIC_LINKER.
8747 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8748 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8749 GLIBC_DYNAMIC_LINKER64): Define.
8750 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8751 LINUX_DYNAMIC_LINKER64.
8752 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8753 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8754 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8755 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8756 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8757 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8758 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8759 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8760 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8761 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8762 and LINUX_DYNAMIC_LINKER32.
8763 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8764 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8765 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8766 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8767 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8769 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8770 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8771 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8772 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8773 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8774 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8775 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8776 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8777 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8778 LINUX_DYNAMIC_LINKER): Define.
8779 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8780 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8781 GLIBC_DYNAMIC_LINKER64): Define.
8782 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8783 LINUX_DYNAMIC_LINKER64.
8784 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8785 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8786 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8787 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8788 LINUX_DYNAMIC_LINKER): Define.
8789 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8790 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8791 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8792 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8793 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8794 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8795 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8796 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8797 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8798 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8799 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8800 * doc/invoke.texi (-muclibc): Remove caveat about supported
8803 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8805 * doc/cpp.texi (__TIMESTAMP__): Document.
8807 2006-02-17 Roger Sayle <roger@eyesopen.com>
8810 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8811 C is one less than the width of X (and related transformations).
8812 * simplify-rtx.c (simplify_unary_operation_1): Transform
8813 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8814 depending on STORE_FLAG_VALUE, were C is one less then the
8817 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8819 Fix PR tree-optimization/26341
8820 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8821 about NAME_MEMORY_TAG's.
8823 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8826 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8827 with hardware float support, and software float support. Add fcpy
8828 alternative to hardware patterns. Add alternatives to copy between
8829 general and floating-point registers to the 32-bit pattern.
8830 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8831 secondary reload to load a QI or HI mode constant into a floating
8833 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8834 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8836 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8839 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8841 (load_macho_picbase_di): Likewise.
8843 2006-02-16 Jeff Law <law@redhat.com>
8845 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8846 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8847 (ssa_name_nonzero_p): Likewise.
8848 (get_value_range): Return NULL if VRP is not running.
8849 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8850 VRP routines do not discover a range.
8851 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8852 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8853 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8854 (tree_expr_nonnegative_p): Similarly.
8855 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8856 (restore_nonzero_vars_to_original_value): Remove.
8857 (unsafe_associative_fp_binop): Remove.
8858 (tree_ssa_dominator_optimize): Remove initialization and
8859 finalization of nonzero_vars and nonzero_vars_stack.
8860 (dom_opt_initialize_block): No longer push marker on
8862 (dom_opt_finalize_block): No longer call
8863 restore_nonzero_vars_to_original_value.
8864 (record_equivalences_from_phis): No longer look for
8865 nonzero PHI arguments.
8866 (cprop_into_successor_phis): No longer propagate nonzero
8867 property into PHI arguments. Lose unused argument. Caller
8869 (record_equivalences_from_stmt): No longer record nonzero
8870 values for SSA_NAMEs.
8871 (lookup_avail_expr): No longer use nonzero_vars.
8873 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8874 for sizetype when sizetype is unsigned.
8876 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8878 PR rtl-optimization/25603
8879 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8880 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8881 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8882 with new meaning of SETS.
8884 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8889 * config/linux.opt: New file.
8890 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8891 LINUX_DYNAMIC_LINKER): Define.
8892 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8893 * config.gcc (*-*-linux*): Define extra_options.
8894 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8895 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8896 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8897 GLIBC_DYNAMIC_LINKER.
8898 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8899 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8900 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8901 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8902 * doc/invoke.texi (GNU/Linux Options): New section.
8904 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8906 * config/sparc/sparc.md (setjmp): Rewrite.
8907 (setjmp_32): Delete.
8908 (setjmp_64): Likewise.
8910 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8912 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8915 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8917 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8920 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8922 PR rtl-optimization/26296
8923 * Makefile.in (loop-invariant.c): Add except.h dependency.
8924 * loop-invariant.c: Include except.h.
8925 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8927 2005-02-16 Paul Brook <paul@codesourcery.com>
8929 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8932 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8934 PR rtl-optimization/25636
8935 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8936 when deciding whether an insn is an initializing insn.
8938 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8940 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8941 (tree_code_size): Ditto.
8942 * tree.h (struct tree_memory_tag): Remove parent_var.
8943 (struct tree_struct_field_tag): New.
8946 (union tree_node): Add sft member.
8947 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8949 (create_sft): Add size and offset argument, set SFT_OFFSET and
8951 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8952 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8953 * tree-flow-inline.h (get_subvar_at): Update for
8954 SFT_OFFSET/SFT_SIZE.
8955 (var_can_have_subvars): Ditto.
8956 (overlap_subvar): Ditto.
8957 * print-tree.c (print_node): Print out interesting things for
8959 * tree-flow.h (struct subvar): Remove offset and size members.
8960 * tree-ssa-operands.c (get_expr_operands): Update for
8961 get_indirect_ref_operands changes.
8962 (get_indirect_ref_operands): Call add_virtual_operand instead of
8963 add_stmt_operand. Only recurse on base var if requested.
8964 (access_can_touch_variable): New function.
8965 (add_stmt_operand): Split virtual operand handling into ...
8966 (add_virtual_operand): Here. Add offset, size, and for_clobber
8967 arguments. Prune alias sets.
8968 (add_call_clobber_ops): Call add_virtual_operand.
8970 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8973 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8975 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8976 than TREE_CODE as index into omp_clause_num_ops array.
8978 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8980 PR rtl-optimization/26184
8981 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8983 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8984 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8985 must_precede, must_follow and tobe_scheduled.
8988 * opts.c (common_handle_option): Free new_option pointer.
8989 * df-core.c (df_analyze): Free postorder pointer.
8991 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8993 * Makefile.in: Fix the examples about the use of stamps
8995 2006-02-15 Michael Matz <matz@suse.de>
8999 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9000 influenced by maximum_field_alignment or DECL_PACKED.
9001 (update_alignment_for_field): Ditto.
9002 (place_field): Ditto.
9003 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9006 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9008 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9009 (debug_flow_info): Pass it.
9010 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9011 * bb-reorder.c (reorder_basic_blocks): Likewise.
9012 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9013 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9014 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9015 * gcse.c (gcse_main, bypass_jumps): Likewise.
9016 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9017 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9018 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9019 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9020 * rtl.h (dump_flow_info): Adjust prototype.
9021 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9022 * var-tracking.c (variable_tracking_main): Likewise.
9023 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9024 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9027 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9029 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9032 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9034 PR tree-optimization/26209
9035 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9036 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9038 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9040 2006-02-14 Roger Sayle <roger@eyesopen.com>
9043 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9044 (X,Y) and the corresponding symmetry related transformations.
9045 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9046 (X,Y) and its symmetry related transformations.
9048 2006-02-14 Roger Sayle <roger@eyesopen.com>
9050 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9053 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9055 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9057 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9060 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9061 support COMDAT group.
9062 * configure: Regenerate.
9064 2006-02-14 Roger Sayle <roger@eyesopen.com>
9069 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9071 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9073 Fix PR tree-optimization/26260
9075 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9077 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9078 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9079 * tree-ssa-structalias.c (create_variable_info_for): Use
9080 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9082 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9084 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9086 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9087 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9088 of the ending condition.
9089 * tree-ssa-loop-manip.c: Include params.h.
9090 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9091 tree_unroll_loop): New functions.
9092 * tree-pass.h (pass_loop_prefetch): Declare.
9093 * loop.c (rest_of_handle_loop_optimize): Test for
9094 -fprefetch-loop-arrays-rtl.
9095 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9096 * timevar.def (TV_TREE_PREFETCH): New timevar.
9097 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9098 pass_loop_prefetch): New.
9099 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9100 (cleanup_tree_cfg_loop): Call scev_reset.
9101 * common.opt (fprefetch-loop-arrays-rtl): Add.
9102 * tree-ssa-loop-prefetch.c: New file.
9103 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9104 (new_temp_expr_table): Initialize expr_vars.
9105 (free_temp_expr_table): Cleanup expr_vars.
9106 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9107 expressions from being merged into one.
9108 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9109 (struct tree_niter_desc): Add control, bound and cmp fields.
9110 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9112 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9113 (tree-cfgcleanup.o): Add SCEV_H dependency.
9114 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9115 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9117 2006-02-14 Richard Guenther <rguenther@suse.de>
9119 PR tree-optimization/26258
9120 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9121 in PHI argument processing.
9123 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9125 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9126 new expression in the requested machine mode.
9128 2006-02-13 Roger Sayle <roger@eyesopen.com>
9130 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9131 directly, instead let do_compare_rtx_and_jump handle this for us.
9132 * expr.c (expand_expr_real_1): Likewise.
9133 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9134 before do_jump_by_parts_greater.
9135 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9136 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9138 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9140 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9142 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9144 PR rtl-optimization/26235
9145 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9146 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9149 2006-02-13 Jeff Law <law@redhat.com>
9151 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9154 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9157 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9158 twice if decl is a builtin. When trying again, call get_callee_fndecl
9159 first to verify it is still a builtin.
9161 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9163 * dwarf2out.c (base_type_die): Don't add AT_name here.
9164 (subrange_type_die): Don't add AT_name here.
9165 (modified_type_die): Rearrange code flow. Do add AT_name here.
9167 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9169 PR rtl-optimization/26247
9170 PR rtl-optimization/26248
9171 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9173 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9175 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9176 * config/fixtfdi.c: Likewise.
9177 * config/fixunstfdi.c: Likewise.
9178 * config/floatditf.c: Likewise.
9180 2006-02-13 Roger Sayle <roger@eyesopen.com>
9183 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9184 into (X,C2) if C1 is a subset of the bits of C2. Transform
9185 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9187 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9189 2006-02-13 Josh Conner <jconner@apple.com>
9192 * varasm.c (function_section): Check for section name before
9193 calling select_section on targets that define
9194 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9195 unlikely_text_section instead of hot_function_section if
9196 first_function_block_is_cold.
9198 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9201 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9203 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9205 PR rtl-optimization/26222
9206 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9207 after tree->rtl expansion.
9208 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9209 before passing it to emit_move_insn.
9211 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9213 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9215 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9216 Clarify documentation.
9217 * c-common.h (warn_write_strings): Remove.
9218 * c-common.c (warn_write_strings): Likewise.
9219 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9222 2006-02-12 Roger Sayle <roger@eyesopen.com>
9225 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9226 (do_jump_parts_zero_rtx): New function renamed from
9227 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9228 (do_jump_parts_equality_rtx): New function split out from
9229 do_jump_parts_equality. Old implementation renamed as above.
9230 Call do_jump_parts_zero_rtx if either operand is zero.
9231 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9232 do all of the heavy lifting.
9233 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9234 calling either do_jump_by_parts_greater_rtx or
9235 do_jump_by_parts_equality_rtx.
9236 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9237 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9238 moved to do_compare_rtx_and_jump, call it directly.
9239 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9240 mode argument. Call do_compare_rtx_and_jump.
9241 (emit_case_nodes): Update calls to do_jump_if_equal.
9243 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9245 PR rtl-optimization/26225
9246 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9248 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9250 PR rtl-optimization/26232
9251 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9253 2006-02-11 Jason Merrill <jason@redhat.com>
9256 * tree-inline.c (declare_return_variable): Just don't use the
9257 modify target if it's a gimple complex reg and the return slot
9260 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9262 * doc/contrib.texi: Update my entry.
9264 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9266 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9268 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9270 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9273 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9275 * doc/invoke.texi (-floop-optimize2): Removed.
9276 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9277 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9278 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9279 * common.opt (floop-optimize2): Removed.
9280 (fmove-loop-invariants): Enabled by default.
9282 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9284 * tree-if-conv.c (combine_blocks): Free the result of
9285 get_loop_exit_edges.
9287 2006-02-10 Jeff Law <law@redhat.com>
9289 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9291 PR tree-optimization/26213
9292 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9293 loop trying to follow SSA_NAME_VALUE chains.
9295 2006-02-10 Richard Guenther <rguenther@suse.de>
9297 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9298 deal with structures that end in implicitly variable sized arrays.
9300 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9302 PR rtl-optimization/24762
9303 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9306 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9308 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9309 (struct ivopts_data): Add regs_used field.
9310 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9311 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9312 instead of loop_data->regs_used;
9313 (free_loop_data): Do not free aux fields for loops.
9314 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9315 and tree_ssa_iv_optimize_finalize.
9317 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9319 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9321 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9324 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9325 computing the effective result type.
9327 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9330 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9331 (tree_overlaps_hard_reg_set): Declare.
9332 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9333 type and signature to match function type expected by walk_tree.
9334 (tree_overlaps_hard_reg_set): New function.
9335 (decl_conflicts_with_clobbers_p): Rename to:
9336 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9337 Use tree_overlaps_hard_reg_set. Changed caller.
9338 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9339 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9340 * cris.c (cris_md_asm_clobbers): Likewise.
9342 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9344 * reload1.c (emit_input_reload_insns): Delete code that tries to
9345 inherit using find_equiv_reg.
9347 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9349 * c-common.h (flag_const_strings): Don't declare.
9350 * c-common.c (flag_const_strings): Remove.
9351 * c.opt (fconst_strings): Remove.
9352 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9353 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9354 (c_common_init_options): Don't set flag_const_strings.
9355 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9357 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9359 * arm.md (tlobits_cbranch): New pattern.
9360 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9361 testing a single bit.
9363 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9366 * tree-ssa-pre.c (create_component_ref_by_pieces):
9367 Handle RETURN_DECL like VAR_DECL.
9369 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9372 * fold-const.c (fold_indirect_ref_1): Fold
9373 "*(foo *)&complexfoo" to "__real__ complexfoo"
9374 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9376 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9378 * tree-flow-inline.h (var_can_have_subvars):
9379 Volatile variables should not have subvariables.
9381 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9384 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9385 multiplying unsigned values.
9388 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9390 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9392 2006-02-08 Jason Merrill <jason@redhat.com>
9395 * tree.def: Elaborate on difference from MODIFY_EXPR.
9396 * doc/c-tree.texi (INIT_EXPR): Likewise.
9397 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9398 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9399 (gimplify_target_expr): Likewise.
9400 (gimplify_cond_expr): Remove target handling.
9401 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9402 (gimplify_expr): Clobber it here.
9403 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9404 Do return slot optimization if we have an INIT_EXPR.
9407 * tree-inline.c (declare_return_variable): Also clear
9408 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9411 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9414 * gimplify.c (gimplify_one_sizepos): Fix typo.
9416 2006-02-08 Jeff Law <law@redhat.com>
9418 PR tree-optimization/21417
9419 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9420 across a backedge if the control statement at the end of the
9421 block is data dependent on other statements in the same block.
9422 (record_temporary_equivalences_from_stmts): Remove over-conservative
9423 test for threading across backedges.
9425 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9426 control statement, handle all three special cases in the same
9427 manner as they all have the same desired solution. No longer
9428 special case edge flag updating when the post dominator is
9431 2006-02-08 Roger Sayle <roger@eyesopen.com>
9433 * tree.def (CHAR_TYPE): Remove.
9434 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9435 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9436 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9437 (gen_string_type_die): Delete unreachable function.
9439 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9440 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9441 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9442 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9443 * builtins.c (type_to_class): Likewise.
9444 * fold-const.c (fold_convert, build_range_check,
9445 merge_ranges): Likewise.
9446 * expr.c (count_type_elements): Likewise.
9447 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9448 * stor-layout.c (layout_type): Likewise.
9449 * ipa-type-escape.c (type_to_consider): Likewise.
9450 * gimplify.c (omp_firstprivatize_type_sizes,
9451 gimplify_type_sizes): Likewise.
9452 * explow.c (promote_mode): Likewise.
9453 * tree-sra.c (is_sra_scalar_type): Likewise.
9454 * varasm.c (output_constant): Likewise.
9455 * tree-inline.c (remap_type_1): Likewise.
9456 * convert.c (convert_to_pointer, convert_to_real,
9457 convert_to_integer, convert_to_complex): Likewise.
9459 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9461 * df-scan.c (df_def_record_1): A set destination may
9462 be a parallel regardless of mode.
9464 2006-02-08 Roger Sayle <roger@eyesopen.com>
9467 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9468 * config/mips/_tilib.c: Remove.
9469 * config/fixtfdi.c: New libgcc source file.
9470 * config/fixunstfdi.c: New source file.
9471 * config/floatditf.c: New source file.
9472 * config/floatunditf.c: New souce file.
9473 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9474 files above instead of config/mips/_tilib.c.
9475 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9477 2006-02-08 Jeff Law <law@redhat.com>
9479 PR tree-optimization/26169
9480 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9483 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9485 * df.h (DF_REG_SIZE): Return the length of the initialized
9488 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9490 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9491 __muldf3): Return a correctly signed zero.
9493 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9495 * passes.c (register_one_dump_file): Accept the current properties
9496 instead of pass number. Adjust call to dump_register. Remove
9498 (register_dump_files): Now a wrapper around...
9499 (register_dump_files_1): ... this one. Do not modify the pass
9501 (next_pass_1): Cosmetic fix.
9502 (execute_todo): Keep second parameter only. Use curr_properties
9503 instead of fetching it from the pass structure. Check and set
9505 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9506 instead of fetching it from the pass structure. Fix calls to
9507 execute_todo. Update curr_properties and initialize .vcg RTL dump
9508 after running the pass. Reset last_verified.
9509 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9511 (FIRST_AUTO_NUMBERED_DUMP): New.
9512 (dump_register): Remove "num" parameter, assign it within the
9514 (get_dump_file_name): Modify template for dumps.
9515 * tree-dump.h (dump_register): Adjust prototype.
9516 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9517 (PROP_trees): Add PROP_gimple_lomp.
9518 (TODO_set_props): New.
9519 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9520 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9521 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9523 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9525 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9526 (sparc64-*-linux*): Likewise.
9527 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9528 * config/sparc/t-linux: New file.
9529 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9530 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9531 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9532 -m32 -mlong-double-128.
9534 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9535 * config/alpha/t-linux: New file.
9536 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9538 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9539 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9540 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9541 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9542 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9543 (CPP_ARCH32_SPEC): Remove.
9545 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9547 PR tree-optimization/26145
9548 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9551 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9554 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9555 >= 240000 when generating code for SOM runtime.
9556 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9557 to $$dyncall when generating code for SOM runtime..
9559 2006-02-07 Dirk Mueller <dmueller@suse.com>
9562 * doc/invoke.texi (-Wsequence-point): Update documentation
9563 that -Wsequence-point is implemented for C++ as well.
9565 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9567 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9568 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9569 (LIB_SPEC): Likewise.
9570 * doc/invoke.texi (SPARC options): Document -pthread.
9572 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9574 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9577 2006-02-07 Roger Sayle <roger@eyesopen.com>
9579 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9580 Correct comment describing BOOLEAN_TYPE.
9582 2006-02-07 Dirk Mueller <dmueller@suse.com>
9584 * c.opt: C++ frontend supports -Wdiv-by-zero.
9585 * c-opts.c (c_common_handle_option): Remove dead case.
9587 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9589 * configure.ac (TLS assembler check): Do not enable TLS by
9590 default on SPARC/Solaris before version 10.
9591 * configure: Regenerate.
9593 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9595 * doc/invoke.texi (xl-compat): Document conversion and support
9598 2006-02-07 Jeff Law <law@redhat.com>
9600 * tree-vrp.c (find_conditional_asserts): Update comments.
9601 (simplify_stmt_for_jump_threading): New.
9602 (identify_jump_threads, finalize_jump_threads): New.
9603 (vrp_finalize): Call identify_jump_threads.
9604 (execute_vrp): Call finalize_jump_threads.
9605 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9606 (vrp_element, vrp_data, vrp_element_p): Remove.
9607 (vrp_hash_elt, vrp_variables_stack): Remove.
9608 (vrp_hash, vrp_eq, record_range): Remove.
9609 (simplify_cond_and_lookup_avail_expr): Remove.
9610 (extract_range_from_cond): Remove.
9611 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9612 (simplify_stmt_for_jump_threading): New.
9613 (dom_thread_across_edge): New wrapper.
9614 (tree_ssa_dominator_optimize): No longer initialize or
9615 finalize any of the VRP datastructures. Remove iteration
9616 step and simplify as a result of removal of iteration step.
9617 (pass_dominator): Perform a cfg cleanup after DOM.
9618 (dom_opt_finalize_block): Use the new common routines
9619 for threading jumps. Simplify stack management slightly.
9620 No longer need to unwind VRP state.
9621 (record_equivalences_from_incoming_edge): No longer record
9623 (eliminate_redundant_computations): No longer call
9624 simplify_cond_and_lookup_avail_expr.
9625 * tree-flow.h (potentially_threadable_block): Prototype.
9626 (thread_across_edge): Likewise.
9627 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9628 (tree-ssa-threadedge.o): Add dependencies.
9629 * tree-ssa-threadedge.c: New file.
9630 * passes.c (init_optimization_passes): Merge PHIs before
9631 calling VRP. Run VRP again late in the SSA optimization pipeline.
9633 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9635 * df-core.c (df_set_blocks): Do not dereference function pointers.
9636 (df_finish1): Likewise.
9637 (df_hybrid_search_forward): Likewise.
9638 (df_hybrid_search_backward): Likewise.
9639 (df_iterative_dataflow): Likewise.
9640 (df_analyze_problem): Likewise.
9641 (df_compact_blocks): Likewise.
9642 (df_dump): Likewise.
9643 * df-scan.c (df_rescan_blocks): Likewise.
9644 (df_record_entry_block_defs): Likewise.
9646 * genconditions.c (write_conditions): Guard the definition of
9647 'insn_conditions' with the check on GCC version.
9648 (write_writer): Guard the traversal 'insn_conditions' with
9649 the check on GCC version.
9651 2006-02-07 Richard Guenther <rguenther@suse.de>
9655 2006-01-30 Richard Guenther <rguenther@suse.de>
9657 * gimplify.c (gimplify_target_expr): Handle easy cases
9658 without creating a temporary.
9660 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9662 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9663 use of float in probability computations. Use edge probabilities
9664 in place of statically computed probabilities.
9665 (min_spec_prob): New static variable.
9666 (schedule_insns): Initialize it.
9667 (GET_SRC_PROB): Removed.
9668 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9670 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9673 * config/ia64/unwind-ia64.c: Revert last change.
9674 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9675 (INCOMING_FRAME_SP_OFFSET): Define.
9677 2006-02-06 Roger Sayle <roger@eyesopen.com>
9679 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9681 2006-02-07 Ben Elliston <bje@au.ibm.com>
9683 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9684 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9685 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9686 (ix86_return_in_memory): Handle TDmode.
9687 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9688 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9690 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9692 * reorg.c (dbr_schedule): Use dump_file instead of file.
9694 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9697 * config/ia64/predicates.md (extr_len_operand): New predicate.
9698 * config/ia64/ia64.md (extv): Tighten constraints.
9700 (*tbit_and_2): Ditto.
9701 (*tbit_and_3): Ditto.
9702 (*tbit_or_2): Ditto.
9703 (*tbit_or_3): Ditto.
9707 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9710 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9712 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9714 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9715 loop_optimizer_init and loop_optimizer_finalize
9716 * tree-ssa-sink.c (execute_sink_code): Ditto.
9717 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9718 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9719 tree_ssa_loop_done): Ditto.
9720 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9721 * sched-ebb.c: Include output.h.
9722 (schedule_ebbs): Do not use dump argument.
9723 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9724 * loop.c (loop_dump_stream): Removed.
9725 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9727 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9728 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9729 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9730 loop_iterations, strength_reduce, record_biv, record_giv,
9731 final_giv_value, check_final_value, check_ext_dependent_givs,
9732 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9733 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9734 dump_file instead of loop_dump_stream.
9735 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9737 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9739 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9740 * haifa-sched.c: Include output.h
9741 (schedule_insns, sched_init): Do not use dump argument.
9742 * mode-switching.c (optimize_mode_switching): Ditto.
9743 * modulo-sched.c (stats_file): Removed.
9744 (print_node_sched_params): Do not call argument dump_file.
9745 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9746 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9748 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9750 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9751 rtl_loop_init, rtl_loop_done): Ditto.
9752 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9753 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9755 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9756 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9757 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9758 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9759 * emit-rtl.c (renumber_insns): Ditto.
9760 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9761 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9762 * regclass.c (regclass): Ditto.
9763 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9764 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9765 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9766 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9768 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9769 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9771 * gcse.c (gcse_file, debug_stderr): Removed.
9772 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9773 rest_of_handle_gcse): Do not use dump argument.
9774 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9775 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9776 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9777 compute_code_hoist_vbeinout, compute_code_hoist_data,
9778 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9779 compute_store_table, build_store_vectors, insert_insn_start_bb,
9780 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9781 store_motion): Use dump_file instead of gcse_file.
9782 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9783 * profile.c (profile_dump_file): Removed.
9784 (branch_prob): Use dump_file instead of profile_dump_file.
9785 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9787 * tree-ssa-copy.c (dump_copy_of): Ditto.
9788 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9789 dump file to life_analysis.
9790 * bt-load.c (branch_target_load_optimize): Ditto.
9791 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9793 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9794 regclass, dbr_schedule): Declaration changed.
9795 * sched-int.h (sched_init): Declaration changed.
9796 * tree-profile.c (tree_profile_dump_file): Removed.
9797 (tree_profile_hooks): Removed profile_dump_file hook.
9798 * rtl-profile (rtl_profile_dump_file): Removed.
9799 (rtl_profile_hooks): emoved profile_dump_file hook.
9800 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9802 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9803 * tree-cfg.c (build_tree_cfg): Ditto.
9804 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9805 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9806 Declaration changed.
9807 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9808 life_analysis and schedule_insns.
9809 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9811 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9813 * config/mips/mips.c (mips_reorg): Ditto.
9814 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9817 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9819 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9820 (s390_mangle_fundamental_type): New.
9821 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9824 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9825 (alpha_mangle_fundamental_type): New.
9826 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9829 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9831 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9833 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9834 (sparc_mangle_fundamental_type): New.
9836 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9838 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9839 (s390x-*-linux*): Likewise.
9840 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9841 * config/s390/t-linux: New file.
9843 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9845 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9846 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9848 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9850 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9851 (ANTIC_SAFE_LOADS): New macro.
9852 (find_or_generate_expression): Add prototype.
9853 (set_contains_value): Allow null set for sake of not always having
9854 to allocate ANTIC_SAFE_LOADS.
9855 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9856 Allow COMPONENT_REF too.
9857 (valid_in_set): Allow COMPONENT_REF.
9858 Check ANTIC_SAFE_LOADS too.
9859 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9860 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9862 (can_PRE_operation): Add COMPONENT_REF.
9863 (create_component_ref_by_pieces): New function.
9864 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9865 (insert_aux): Move AGGREGATE_TYPE_P check here.
9866 (compute_avail): Set bb local stmt uids.
9867 (pass_pre): Use TODO_update_ssa_only_virtuals.
9869 2006-02-06 Ben Elliston <bje@au.ibm.com>
9871 * configure.ac: Unconditionally disable decimal float by default.
9872 * configure: Regenerate.
9874 2006-02-06 Ben Elliston <bje@au.ibm.com>
9876 * read-rtl.c (read_name): Terminate reading on EOF.
9878 2006-02-06 Ben Elliston <bje@au.ibm.com>
9880 * dfp.c (decimal_real_arithmetic): Change second argument type
9881 from int to enum tree_code. Do not always return true, but now
9882 return result of any call to decimal_do helper functions.
9883 * dfp.h (decimal_real_arithmetic): Update prototype.
9885 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9887 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9889 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9892 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9895 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9897 * tree-vrp.c (cfg_loops): Removed.
9898 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9899 Use current_loops instead of cfg_loops. Pass flags to
9900 loop_optimizer_init.
9901 * cfgloopmanip.c (fix_loop_structure): Update only available
9903 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9904 loop_optimizer_init.
9905 * modulo-sched.c (build_loops_structure): Removed.
9906 (sms_schedule): Use loop_optimizer_init.
9907 * loop-init.c (loop_optimizer_init): Use flags to determine
9908 which properties of loops to prepare.
9909 (rtl_loop_init): Pass flags to loop_optimizer_init.
9910 * tree-ssa-sink.c (execute_sink_code): Ditto.
9911 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9912 * tree-ssa-pre.c (init_pre): Ditto.
9913 * cfgloop.h (LOOPS_NORMAL): New.
9914 (loop_optimizer_init): Declaration changed.
9916 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9918 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9919 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9921 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9923 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9925 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9926 * pa/t-pa64: Delete quadlib.c rule.
9927 * pa/x-ada: Revert last change.
9928 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9930 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9932 PR rtl-optimization/26087
9933 * rtlanal.c (canonicalize_condition): Do not cross basic block
9936 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9939 * config/ia64/ia64.c: Include debug.h.
9940 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9941 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9942 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9943 (process_epilogue, process_set, process_for_unwind_directive):
9944 Output unwind info only if requested. Add CFA info if requested.
9945 Add new arguments as needed. Adjust callers.
9946 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9948 (DWARF2_FRAME_INFO): Define to zero.
9949 * config/ia64/unwind-ia64.c: Remove code that compensated for
9950 the CFA offset error fixed above.
9951 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9952 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9953 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9954 -funwind-tables and -fexceptions to enable frame info.
9955 (dwarf2out_frame_init): Define initial CFA even if
9956 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9957 DWARF2_UNWIND_INFO is nonzero, not just defined.
9958 (dwarf2out_frame_finish): Output non-EH call frame info only
9959 if DWARF2_FRAME_INFO is nonzero.
9960 (convert_cfa_to_loc_list,
9961 compute_frame_pointer_to_cfa_displacement): Define even if
9962 unwind info is not supported.
9963 (gen_subprogram_die): Use the above unconditionally. Remove
9964 legacy alternate code.
9965 * toplev.c (compile_file): Compile in call to
9966 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9967 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9969 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9970 Jakub Jelinek <jakub@redhat.com>
9972 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9973 IBM extended float format long double as "g" on powerpc*-linux.
9975 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9978 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9979 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9981 2006-02-03 Jason Merrill <jason@redhat.com>
9984 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9987 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9988 on the return slot if it's an NRV.
9990 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9992 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9993 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9994 rewrite_use): Do not handle USE_OUTER.
9995 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9996 add_iv_outer_candidates, may_replace_final_value,
9997 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9998 (find_interesting_uses_op): Functionality of
9999 find_interesting_uses_outer_or_nonlin moved here.
10000 (find_interesting_uses_outside): Use find_interesting_uses_op.
10002 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10005 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10007 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10008 Ulrich Weigand <uweigand@de.ibm.com>
10011 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10012 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10013 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10014 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10016 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10017 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10018 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10019 Define secondary reloads for TFmode moves.
10020 (constant_modes): Add TFmode.
10021 (NR_C_MODES): Set to 8.
10022 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10024 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10025 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10026 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10027 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10028 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10029 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10030 (FPR mode macro): Add TFmode.
10031 (DSF mode macro): New.
10032 (<de>, <dee> mode attributes): Removed.
10033 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10034 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10035 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10036 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10037 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10038 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10039 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10040 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10041 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10042 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10043 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10044 "*negabs<mode>2", "sqrt<mode>2"):
10045 Changed <de> to <xde>. R constraint replaced by <Rf>.
10046 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10048 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10049 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10050 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10052 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10053 "extenddftf2", "extendsftf2"): New expanders.
10054 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10055 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10056 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10057 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10059 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10060 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10061 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10062 __floatditf): Add a GCC_4.1.0 symbol version tag.
10063 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10066 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10069 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10070 Use targetm.binds_local_p instead of TREE_PUBLIC.
10072 2006-02-02 Roger Sayle <roger@eyesopen.com>
10074 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10075 on INTEGER_TYPEs to indicate that it denotes a character type.
10076 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10077 signed_char_type_node, unsigned_char_type_node and char_type_node.
10078 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10079 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10080 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10082 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10083 Daniel Berlin <dberlin@dberlin.org>
10085 * tree-tailcall.c (arg_needs_copy_p): New function.
10086 (eliminate_tail_call): Use arg_needs_copy_p.
10087 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10088 (add_virtual_phis): New function.
10090 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10092 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10093 #ignore instead of #scratch for %g7 .register directive.
10095 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10097 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10100 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10102 * flow.c (calculate_global_regs_live): Assert that there aren't any
10105 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10107 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10108 what its name says.
10109 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10110 bsi_after_labels iterator.
10111 * tree-if-conv.c (find_phi_replacement_condition,
10112 replace_phi_with_cond_modify_expr): Likewise.
10113 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10114 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10116 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10118 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10120 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10123 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10124 array after growing it.
10126 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10128 PR middle-end/24901
10129 * fold-const.c (fold_checksum_tree): Change type of buf.
10131 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10133 * reload.c (push_secondary_reload): Initialize t_icode.
10135 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10137 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10138 -msoft-float -mlong-double-128 only issue a warning, but don't
10139 swich to DFmode long double.
10141 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10143 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10144 has a constant equivalent, iterate over equivalents for arg0,
10145 calling simplify_relational_operation and if there's a result
10146 cheaper than X, apply fold_rtx and return the result.
10148 2006-02-01 Jan Hubicka <jh@suse.cz>
10150 * opts.c (no_unit_at_a_time_default): New global variable.
10151 (decode_options): Use it.
10152 * opts.h (no_unit_at_a_time_default): Declare.
10154 2006-02-01 Paul Brook <paul@codesourcery.com>
10156 * function.c (assign_parm_setup_reg): Use function argument promotion
10158 * expr.c (expand_expr_real_1): Use function argument promotion rules
10161 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10163 * gcc.c (process_command): Change j to 'unsigned int'.
10165 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10167 PR middle-end/26001
10168 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10169 Use the corrected index for the character
10170 out of the string constant.
10172 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10174 * mode-switching.c (optimize_mode_switching): Fix size
10175 allocated for bb_info[n_entities].
10177 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10179 * gcc.c (main): Correct type that is allocated for
10180 explicit_link_files.
10182 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10184 * config/s390/s390.c (init_alignment_context): Set
10185 ALIAS_SET_MEMORY_BARRIER on the MEM.
10186 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10188 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10190 PR middle-end/25933
10191 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10193 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10196 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10198 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10199 * regrename.c: Ditto.
10200 * tree-ssa-loop-im.c: Ditto.
10201 * tree-dump.c: Ditto.
10202 * tree-complex.c: Ditto.
10203 * genrecog.c: Ditto.
10204 * tree-ssa-threadupdate.c: Ditto.
10206 * java/class.c: Ditto.
10207 * java/jcf-parse.c: Ditto.
10208 * java/resource.c: Ditto.
10209 * java/except.c: Ditto.
10210 * java/jvspec.c: Ditto.
10211 * java/jcf-write.c: Ditto.
10212 * java/jcf-path.c: Ditto.
10213 * java/gjavah.c: Ditto.
10214 * java/zextract.c: Ditto.
10215 * java/jcf-io.c: Ditto.
10216 * java/jcf.h: Ditto.
10217 * java/buffer.c: Ditto.
10218 * java/lang.c: Ditto.
10219 * java/parse-scan.y: Ditto.
10220 * java/lex.c: Ditto.
10221 * java/lex.h: Ditto.
10222 * cfgloopmanip.c: Ditto.
10223 * postreload-gcse.c: Ditto.
10224 * tree-ssa-loop-manip.c: Ditto.
10225 * postreload.c: Ditto.
10226 * tree-ssa-loop-ch.c: Ditto.
10229 * cppspec.c: Ditto.
10230 * diagnostic.c: Ditto.
10232 * genoutput.c: Ditto.
10234 * cfghooks.c: Ditto.
10235 * cfgloopanal.c: Ditto.
10236 * objc/objc-act.c: Ditto.
10238 * genextract.c: Ditto.
10239 * genautomata.c: Ditto.
10240 * pretty-print.c: Ditto.
10241 * genemit.c: Ditto.
10242 * cgraphunit.c: Ditto.
10244 * df-scan.c: Ditto.
10245 * haifa-sched.c: Ditto.
10246 * dominance.c: Ditto.
10248 * tree-ssa-loop-ivopts.c: Ditto.
10249 * df-core.c: Ditto.
10250 * mode-switching.c: Ditto.
10251 * modulo-sched.c: Ditto.
10253 * ipa-pure-const.c: Ditto.
10255 * fix-header.c: Ditto.
10257 * tree-stdarg.c: Ditto.
10258 * ipa-utils.c: Ditto.
10259 * loop-init.c: Ditto.
10260 * ipa-inline.c: Ditto.
10261 * cfganal.c: Ditto.
10263 * alloc-pool.c: Ditto.
10264 * dwarf2out.c: Ditto.
10266 * genattrtab.c: Ditto.
10267 * tree-ssa-loop-ivcanon.c: Ditto.
10268 * predict.c: Ditto.
10269 * timevar.c: Ditto.
10271 * fortran/gfortranspec.c: Ditto.
10272 * regmove.c: Ditto.
10273 * local-alloc.c: Ditto.
10274 * langhooks.c: Ditto.
10275 * function.c: Ditto.
10276 * tree-vectorizer.c: Ditto.
10278 * ipa-type-escape.c: Ditto.
10280 * tree-if-conv.c: Ditto.
10281 * profile.c: Ditto.
10283 * tree-data-ref.c: Ditto.
10284 * loop-unroll.c: Ditto.
10285 * treelang/treetree.c: Ditto.
10287 * bt-load.c: Ditto.
10288 * ggc-common.c: Ditto.
10290 * coverage.c: Ditto.
10292 * tree-cfgcleanup.c: Ditto.
10293 * tree-ssa-pre.c: Ditto.
10294 * cfgcleanup.c: Ditto.
10295 * loop-invariant.c: Ditto.
10296 * loop-iv.c: Ditto.
10297 * ipa-prop.c: Ditto.
10298 * print-tree.c: Ditto.
10299 * conflict.c: Ditto.
10300 * ggc-page.c: Ditto.
10301 * sched-deps.c: Ditto.
10302 * regclass.c: Ditto.
10303 * tree-object-size.c: Ditto.
10304 * combine.c: Ditto.
10305 * bb-reorder.c: Ditto.
10306 * resource.c: Ditto.
10307 * var-tracking.c: Ditto.
10308 * cfgloop.c: Ditto.
10309 * df-problems.c: Ditto.
10310 * reg-stack.c: Ditto.
10312 * gccspec.c: Ditto.
10313 * sched-rgn.c: Ditto.
10314 * tree-ssa-structalias.c: Ditto.
10315 * tree-ssa-reassoc.c: Ditto.
10316 * config/darwin-c.c: Ditto.
10317 * config/darwin.c: Ditto.
10318 * config/arm/arm.c: Ditto.
10320 * collect2.c: Ditto.
10321 * reload1.c: Ditto.
10323 2006-01-31 Nicolas Pitre <nico@cam.org>
10325 * arm.md (smaxsi3): Make aware of smax_m1.
10328 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10330 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10332 2006-01-31 Richard Guenther <rguenther@suse.de>
10334 * doc/invoke.texi (-msselibm): Document.
10335 * target.h (expand_library_builtin): New target hook.
10336 * builtins.c (expand_builtin): Use expand_library_builtin.
10337 (default_expand_library_builtin): New function.
10338 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10339 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10340 (link_gcc_math_spec): Declare.
10341 (static_specs): Add link_gcc_math_spec.
10342 * expr.h (default_expand_library_builtin): Declare.
10343 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10344 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10345 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10346 * config/i386/i386.opt (msselibm): New target option.
10347 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10348 (ix86_init_sse_abi_builtins): New function.
10349 (ix86_expand_library_builtin): Likewise.
10350 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10351 (override_options): Handle error conditions wrt -msselibm.
10352 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10353 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10354 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10357 2006-01-31 Richard Guenther <rguenther@suse.de>
10358 Paolo Bonzini <bonzini@gnu.org>
10360 * doc/install.texi (--disable-libgcc-math): Document.
10362 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10364 * expr.h (expand_normal): new inline function.
10365 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10366 * dojump.c: use it.
10367 * dwarf2out.c: use it.
10370 * expmed.c: use it.
10371 * except.c: use it.
10372 * config/sparc/sparc.c: use it.
10373 * config/i386/i386.c: use it.
10374 * config/rs6000/rs6000.c: use it.
10375 * config/arm/arm.c: use it.
10376 * config/mips/mips.c: use it.
10377 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10379 2006-01-30 Roger Sayle <roger@eyesopen.com>
10381 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10382 argv to the appropriate type.
10384 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10386 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10389 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10392 * config/s390/s390.c (struct machine_function): New flag
10393 decomposed_literal_pool_addresses_ok_p.
10394 (s390_reorg): Set it before final stage of literal pool transforms.
10395 (s390_decompose_address): Only accept displacements of the form
10396 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10398 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10400 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10401 the comparison routine return.
10403 2006-01-30 Michael Matz <matz@suse.de>
10405 * global.c (find_reg): Only evict for global regs.
10406 Take n_refs into account and dump more info.
10408 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10411 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10412 (pragma_trap, pragma_nosave_low_regs): Likewise.
10413 (current_function_anonymous_args): Likewise.
10414 (sh_deferred_function_attributes): New variable.
10415 (sh_deferred_function_attributes_tail): Likewise.
10416 (print_operand): For '@', look up trap_exit attribute.
10417 (calc_live_regs): Look up trapa_handler attribute. For trapa
10418 handlers, save/restore fpscr, but don't do any other
10419 interrupt-specific saves.
10420 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10421 Fix check for partially saved registers to check for SHmedia.
10422 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10423 (sh_output_function_epilogue): Don't clear any of the removed
10425 (sh_insert_attributes): Don't check pragma_interrupt.
10426 Insert deferred attributes. Check that interrupt attribute is
10427 present for other attributes that require its presence.
10428 (sh_attribute_table): Add new attributes trapa_handler and
10430 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10431 Don't check for pragma_interrupt. Don't store argument.
10432 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10433 (sh_deferred_function_attributes): Declare.
10434 (sh_deferred_function_attributes_tail): Likewise.
10435 * sh.md (sp_switch_1): Add operand. Change generator caller.
10436 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10437 (*return_i): Don't use when trap_exit attribute is in effect.
10438 (*return_trapa): New insn pattern.
10439 * sh-c.c: New file.
10440 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10441 setting c_target_objs and cxx_target_objs.
10442 * t-sh: Add rule for sh-c.o.
10444 2006-01-30 Richard Guenther <rguenther@suse.de>
10447 * gimplify.c (gimplify_target_expr): Handle easy cases
10448 without creating a temporary.
10450 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10452 * vec.h (safe_grow): Remove duplicated line.
10454 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10457 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10458 (expand_omp): ... here.
10459 (expand_omp_parallel): Only remove barriers for combined
10460 parallel+workshare constructs.
10462 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10466 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10467 * tree.c (build_qualified_type): Chain the new type to the original
10468 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10469 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10470 (build_pointer_type_for_mode): Only return unqualified types.
10471 (build_reference_type_for_mode): Likewise.
10473 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10475 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10476 * Makefile.in (CXX_COMPAT_WARN): Define.
10477 * configure: Regenerate.
10479 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10482 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10485 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10487 * toplev.c: Fix thinko.
10489 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10490 Marcin Dalecki <martin@dalecki.de>
10492 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10493 (push_srcloc): Use XNEW.
10494 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10496 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10498 * df-core.c (df_set_blocks): Deleted all variable.
10500 2006-01-28 Ian Lance Taylor <ian@airs.com>
10502 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10503 cgraph_output_pending_asms.
10505 2006-01-28 Zack Weinberg <zackw@panix.com>
10507 * c.opt: Add -W(no-)overlength-strings.
10508 * doc/invoke.texi: Document it.
10509 * c-opts.c (c_common_handle_option): -pedantic implies
10510 -Woverlength-strings, if not explicitly disabled already.
10511 (c_common_post_options): -Woverlength-strings defaults to off, and
10512 is always off for C++.
10513 * c-common.c (fix_string_type): Issue warning about strings longer
10514 than is portable only if warn_overlength_strings. Rearrange code
10515 a little for clarity.
10516 * configure.in: Check for -Wno-overlength-strings as well before
10517 enabling -pedantic in stage 1.
10518 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10519 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10521 * genconditions.c (write_header, write_one_condition)
10522 (write_conditions, write_writer): Consolidate very long strings
10523 that were broken up to fit in C89 portable limit. Don't use
10524 printf when fputs will do.
10526 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10528 * combine.c (simplify_comparison <AND>): Check
10529 TRULY_NOOP_TRUNCATION before start using a subreg.
10531 * config/mips/mips.md (*branch_zero<mode>,
10532 *branch_zero<mode>_inverted, *branch_equality<mode>,
10533 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10534 Remove mode check from comparisons.
10536 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10538 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10540 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10542 * expmed.c (const_mult_add_overflow_p): Remove.
10543 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10545 * recog.c (validate_replace_rtx_subexp): Remove.
10546 * recog.h: Remove the prototype for
10547 validate_replace_rtx_subexp.
10549 * integrate.h: Remove the prototype for
10550 copy_decl_for_inlining.
10551 * rtl.h: Remove the prototype for mark_constant_function.
10552 * tree-vectorizer.h: Remove the prototype for
10553 vect_strip_conversion.
10555 * modulo-sched.c (create_partial_schedule,
10556 free_partial_schedule, reset_partial_schedule): Make them
10559 * hooks.c (hook_bool_rtx_int_false): Remove.
10560 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10562 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10564 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10565 and -mlong-double-128 are incompatible.
10566 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10567 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10568 (TARGET_LIBGCC2_CFLAGS): Define.
10569 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10570 (TARGET_LIBGCC2_CFLAGS): Same.
10571 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10573 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10576 * c-typeck.c (build_binary_op): Perform implicit casts of
10577 operands before shortening them.
10579 * cfgloopmanip.c (split_loop_bb): Remove.
10580 * cfgloop.h: Remove the prototype for split_loop_bb.
10582 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10583 * cfgloop.h: Remove the prototype for
10584 flow_loop_outside_edge_p.
10586 * emit-rtl.c (init_virtual_regs): Make it static.
10587 * function.h: Remove the prototype for init_virtual_regs.
10589 * recog.c (peephole2_optimize): Make it static.
10590 * recog.h: Remove the prototype for peephole2_optimize.
10592 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10594 * df-scan.c (df_record_entry_block_defs): Check if
10595 INCOMING_RETURN_ADDR_RTX is defined.
10597 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10598 Kenneth Zadeck <zadeck@naturalbridge.com>
10600 PR rtl-optimization/24762
10601 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10602 * targhooks.c (hook_void_bitmap): New hook prototype.
10603 * targhoohs.h (hook_void_bitmap): Ditto.
10604 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10605 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10606 * target.h (live_on_entry): New function pointer.
10607 * df-scan.c (df_all_hard_regs): Removed.
10608 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10609 (df_scan_free_internal): Added df->entry_block_defs.
10610 (df_scan_alloc): Ditto.
10611 (df_scan_dump): Ditto.
10612 (df_uses_record): Plumbed flag field properly thru calls.
10613 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10614 This part fixes PR24762.
10615 (df_bb_refs_record): Added code to make the frame and arg
10616 pointers live in EH blocks.
10617 (df_refs_record): Added call to df_record_entry_block_defs.
10618 (df_record_entry_block_defs): New function.
10619 * df-core.c: Added comments to describe new artifical defs.
10620 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10621 (entry_block_defs): New field in struct df.
10622 (df_all_hard_regs): Deleted.
10623 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10624 * df-problems.c (df_ru_bb_local_compute_process_def):
10625 Added code to handle artifical defs in the entry to a function.
10626 (df_ru_bb_local_compute): Ditto.
10627 (df_rd_bb_local_compute_process_def): Ditto.
10628 (df_rd_bb_local_compute): Ditto.
10629 (df_lr_bb_local_compute): Ditto.
10630 (df_ur_bb_local_compute): Ditto.
10631 (df_urec_bb_local_compute): Ditto.
10632 (df_chain_create_bb): Ditto.
10633 (df_ur_local_finalize): Removed entry.
10634 (df_urec_init): Ditto.
10635 (df_urec_local_finalize): Ditto.
10636 (df_ri_bb_compute): Added detection of last use of pseudos.
10637 * Makefile.in (df-scan.o): Updated dependencies.
10638 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10639 * config/mips/mips.c (mips_set_live_on_entry): Added.
10640 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10642 * dce.c (marked_insn_p): Added code to handle artifical defs.
10644 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10646 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10648 (_mm_cvtsi128_si64): Likewise.
10649 (_mm_cvtsd_si64): Likewise.
10650 (_mm_cvttsd_si64): Likewise.
10651 (_mm_cvtsi64_sd): Likewise.
10652 (_mm_cvtsi64_si128): Likewise.
10653 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10654 (_mm_cvtsi64_m64): Likewise.
10655 (_m_to_int64): Likewise.
10656 (_mm_cvtm64_si64): Likewise.
10657 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10658 (_mm_cvttss_si64): Likewise.
10659 (_mm_cvtsi64_ss): Likewise.
10660 (_mm_cvtss_f32): Likewise.
10662 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10664 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10665 for pragma redefine_extname.
10667 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10670 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10671 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10672 -mno-minimal-toc to previous content.
10673 (bispecs): Remove goal.
10674 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10675 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10676 compatibility aliases on powerpc-*-*gnu*.
10677 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10678 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10679 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10680 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10681 (ldblspecs): New goal.
10682 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10683 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10685 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10686 L_sf_to_tf or L_df_to_tf is defined.
10688 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10689 Alan Modra <amodra@bigpond.net.au>
10692 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10693 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10694 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10695 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10696 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10697 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10698 (rs6000_override_options): Initialize rs6000_ieeequad.
10699 Initialize TFmode format to ibm_extended_format if not
10701 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10703 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10704 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10705 (function_arg_advance): IBM long double passed in two FPRs, not
10707 (function_arg): IBM long double passed in FPRs.
10708 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10709 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10710 Only multireg GPR aligned.
10711 (rs6000_init_libfuncs): Enable IBM long double functions if not
10713 (rs6000_generate_compare): Use IBM long double compare if not
10715 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10716 (TARGET_IEEEQUAD): Define.
10717 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10718 not TARGET_IEEEQUAD.
10719 * config/rs6000/rs6000.md: Enable TFmode patterns if
10721 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10722 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10723 and -mlong-double-128 are incompatible.
10724 * doc/invoke.texi (-mabi): Collect options together. Add
10725 ibmlongdouble and ieeelongdouble.
10727 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10729 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10731 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10732 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10733 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10734 * rtl.h (rtunion_def): Remove rt_ptr.
10736 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10737 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10738 * config/i386/winnt.c (i386_pe_mark_dllexport)
10739 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10741 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10743 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10745 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10749 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10750 pthread_key_delete. From John David Anglin. gthrw-ify
10751 pthread_getunique_np only if it it's not a macro. Delete
10753 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10754 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10755 __gthread_objc_condition_signal, __gthread_key_delete): Add
10756 "__attribute__ ((__unused__))" to unused arguments.
10757 (__gthread_recursive_mutex_init_function): Add missing return.
10758 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10759 gthr-posix95.h: Use macro-based approach for name redirection
10760 on targets missing weakref.
10762 2006-01-26 Zack Weinberg <zackw@panix.com>
10764 * genconditions.c (write_header): In generated code, #ifdef out
10765 all includes and fake declarations, except includes of bconfig.h
10766 and system.h, unless GCC_VERSION >= 3001. Do not include
10767 gensupport.h in any case.
10768 (write_conditions): Generate a definition of struct c_test. Add
10769 a comment to the generated #endif.
10770 (write_one_condition): Escape backslashes in string too.
10771 (write_writer): Generated code must escape backslashes and quote
10772 marks (but not newlines) in the strings it writes.
10773 * Makefile.in (build/gencondmd.o): Update dependencies.
10775 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10778 * Makefile.in (insn-automata.o): Add header file dependencies.
10779 * genautomata.c: Add includes.
10781 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10784 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10786 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10788 * configure.ac: Expect target tools paths to be passed from the toplevel
10789 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10791 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10793 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10796 * c.opt (Wpointer-sign): Init to -1.
10797 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10798 OPT_pedantic, to 0 otherwise.
10799 * doc/invoke.texi: Update.
10801 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10803 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10804 constants provided by 80387 instructions in the destination mode.
10806 2006-01-26 Richard Guenther <rguenther@suse.de>
10807 Andrew Pinski <pinskia@physics.uc.edu>
10810 partial PR tree-opt/17064
10811 * tree-ssa-structalias.c (intra_create_variable_infos):
10812 Create heap variables for incoming parameters if
10813 flag_argument_noalias > 1.
10814 (find_what_p_points_to): Look through default defs of
10817 2006-01-26 Jeff Law <law@redhat.com>
10820 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10821 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10822 within the VR_RANGE, use the VR_RANGE as the result, not the
10824 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10825 bounds for the type.
10827 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10829 * tree-ssa-alias.c (maybe_create_global_var): Change
10830 subvar walking to an assertion that we don't have subvar'd variables.
10832 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10835 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10836 Use a new variable, inner. PARM_DECLs are always non-weak.
10838 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10840 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10841 --disable-checking.
10843 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10845 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10847 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10849 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10850 (smax_insn, smin_insn, smax_0, smin_0): New.
10852 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10855 * config/cris/cris.c (cris_order_for_addsi3): New function.
10856 * config/cris/cris-protos.h: Prototype it.
10857 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10858 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10859 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10860 (split for "op.S1 [rx=rx+i],ry (swapped)")
10861 (split for "op(s|u).S1 [rx=rx+i],ry")
10862 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10863 Apply cris_order_for_addsi3 when generating addsi3 insns.
10865 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10867 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10868 (TREE_BLOCK): Add call to EXPR_CHECK.
10870 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10873 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10874 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10875 (dump_omp_clauses): ... here.
10876 (dump_generic_node): Handle OMP_CLAUSE.
10877 * tree.c (omp_clause_num_ops): New.
10878 (omp_clause_code_name): New.
10879 (tree_code_size): Handle OMP_CLAUSE.
10880 (tree_size): Likewise.
10881 (make_node): Document handling of OMP_CLAUSE.
10882 (tree_node_structure): Handle OMP_CLAUSE.
10883 (omp_clause_check_failed): New.
10884 (omp_clause_range_check_failed): New.
10885 (omp_clause_operand_check_failed): New.
10886 (build_omp_clause): New.
10887 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10888 * tree.h (enum omp_clause_code): Declare.
10889 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10890 (OMP_CLAUSE_RANGE_CHECK): Define.
10891 (OMP_CLAUSE_ELT_CHECK): Define.
10892 (omp_clause_check_failed): Declare.
10893 (omp_clause_operand_check_failed): Declare.
10894 (omp_clause_range_check_failed): Declare.
10895 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10896 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10897 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10898 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10899 (OMP_CLAUSE_IF_EXPR): Likewise.
10900 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10901 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10902 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10903 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10904 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10905 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10906 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10907 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10908 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10909 (OMP_CLAUSE_CODE): Define.
10910 (OMP_CLAUSE_SET_CODE): Define.
10911 (OMP_CLAUSE_CODE): Define.
10912 (OMP_CLAUSE_OPERAND): Define.
10913 (struct tree_omp_clause): Declare.
10914 (union tree_node): Add field 'omp_clause'.
10915 * treestruct.def (TS_OMP_CLAUSE): Define.
10916 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10917 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10918 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10919 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10920 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10921 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10922 (OMP_CLAUSE): Define.
10923 * print-tree.c (print_node): Handle OMP_CLAUSE.
10924 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10925 * c-typeck.c: Likewise.
10926 * gimplify.c: Likewise.
10927 * c-omp.c: Likewise.
10928 * tree-nested.c: Likewise.
10929 * tree-inline.c: Likewise.
10930 * c-parser.c: Likewise.
10931 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10934 2006-01-25 Roger Sayle <roger@eyesopen.com>
10936 PR rtl-optimization/25703
10937 * combine.c (try_combine): Handle zero_extract and strict_low_part
10938 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10940 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10942 * global.c: Fix comment typos.
10944 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10947 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10948 Use output_addr_const instead of assemble_name.
10950 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10952 * Makefile.in (sched-vis.o): Update dependencies.
10953 * haifa-sched.c (sched_finish): Clear current_sched_info.
10954 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10955 (dump_flow_info): Call it.
10956 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10958 * basic-block.h (dump_bb_info): Declare.
10959 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10960 option, and apply options only for dump files whose TDF_RTL,
10961 TDF_TREE, or TDF_IPA bits match.
10962 * rtl.h: Declare new functions exported from sched-vis.c.
10963 * sched-vis.c: Enable also if scheduling is not used.
10964 (print_value): Print the mode of registers if not inside scheduling.
10965 (print_insn): Make it work outside the scheduler. Beautify the output
10967 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10969 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10971 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10972 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10973 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10974 depending on the value of CONSTANT_POOL_ADDRESS_P.
10975 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10977 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10978 rather than SYMBOL_REF_DECL.
10979 (rtx_constant_pool): Remove const_rtx_sym_htab.
10980 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10981 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10982 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10983 Remove handling of const_rtx_sym_htab.
10984 (find_pool_constant): Delete.
10985 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10986 rather than find_pool_constant.
10987 (get_pool_constant_for_function): Delete.
10988 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10989 find_pool_constant.
10990 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10991 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10992 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10993 (SYMBOL_REF_CONSTANT): New macro.
10994 (get_pool_constant_for_function): Delete.
10995 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10996 rather than SYMBOL_REF_DECL.
10997 (i386_pe_mark_dllimport): Likewise.
10998 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10999 rather than SYMBOL_REF_DECL.
11000 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11001 (machopic_indirect_call_target): Likewise.
11003 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11005 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11007 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11009 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11011 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11013 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11015 2006-01-24 David Daney <ddaney@avtrex.com>
11018 * configure.ac (enable_tls): New enable option.
11019 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11020 * configure: Regenerate.
11021 * doc/install.texi (--enable-tls): Document new option.
11022 (--disable-tls): Ditto.
11024 2006-01-24 Richard Henderson <rth@redehat.com>
11026 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11027 * alias.c (true_dependence): Respect it.
11028 (canon_true_dependence, write_dependence_p): Likewise.
11029 * builtins.c (get_builtin_sync_mem): Set it.
11031 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11033 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11036 2006-01-24 DJ Delorie <dj@redhat.com>
11038 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11039 for storing constants in single-bit bitfields.
11041 2006-01-25 Ben Elliston <bje@au.ibm.com>
11043 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11045 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11048 * tree-ssa-pre.c (phi_translate): Return NULL
11049 for AGGREGATE_TYPE's.
11051 2006-01-24 Zack Weinberg <zackw@panix.com>
11053 * genautomata.c (process_state_for_insn_equiv_partition):
11054 Use xcalloc for insn_arcs_array.
11055 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11056 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11058 2006-01-24 Richard Henderson <rth@redhat.com>
11060 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11061 update all callers.
11063 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11065 PR rtl-optimization/25890
11066 PR rtl-optimization/25905
11067 * combine.c (expand_compound_operation, expand_field_assignment):
11068 Fail if the bitfield's final position is out of bounds.
11070 2006-01-24 Ian Lance Taylor <ian@airs.com>
11072 PR middle-end/25930
11073 * cgraphunit.c (cgraph_output_in_order): Don't clear
11074 cgraph_asm_nodes until after asm strings have been output.
11076 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11078 * fix-header.c (read_scan_file): Add new parameter imultilib when
11079 calling register_include_chains.
11081 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11083 * omp-low.c: Update documentation.
11085 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11086 Daniel Berlin <dberlin@dberlin.org>
11090 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11091 return from the function.
11093 2006-01-22 Zack Weinberg <zackw@panix.com>
11095 * rtl.def (match_code): Add second argument.
11096 * genpreds.c (write_extract_subexp): New function.
11097 (write_match_code): Add path argument. Use write_extract_subexp.
11098 (write_predicate_expr): Pass path to write_match_code.
11099 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11100 not perform a mode test.
11101 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11102 a subexpression does not constrain the top-level code set.
11103 * read-rtl.c (read_rtx_variadic): New function.
11104 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11105 * doc/md.texi: Document new notation.
11106 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11107 (cmpsi_operand): ... here, using new notation.
11109 2006-01-22 Zack Weinberg <zackw@panix.com>
11111 * varray.c: Remove GENERATOR_FILE #ifdefs.
11113 2006-01-22 Zack Weinberg <zackw@panix.com>
11115 * genautomata.c (output_reserved_units_table): Emit nothing if
11116 description->query_units_num is zero. Remove extra blank line.
11117 (output_cpu_unit_reservation_p): Short circuit
11118 if description->query_units_num is zero.
11120 2006-01-22 Zack Weinberg <zackw@panix.com>
11122 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11123 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11124 nor any of the random handful of variables that used to be necessary
11125 when this program was linked with rtlanal.o. Prune set of forward
11126 function declarations.
11127 (struct attr_desc): Remove static_p field.
11128 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11129 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11130 (attr_string): Do not read the character one past the length of
11132 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11133 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11134 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11135 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11136 (make_automaton_attrs): New.
11137 (main): Do not call into genautomata. Call local gen_bypass
11138 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11139 Remove special case for insn_alts.
11140 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11141 varray.h (leftover from previous change). Prune set of forward
11142 function declarations. Remove state_alts fields from all
11143 structures. Remove state_alts_table from struct automaton.
11144 Make everything except main static. Do not maintain num_dfa_decls.
11145 Do not maintain state_alts fields of various structures.
11146 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11147 (add_arc): Remove state_alts argument. All callers updated.
11148 (output_reserved_units_table): Emit #ifdef here...
11149 (output_tables): ...not here. Don't generate state_alts tables.
11150 (expand_automata): Don't generate attributes.
11151 (write_automata): Don't generate state_alts functions.
11152 (main): New function.
11153 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11154 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11155 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11156 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11157 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11158 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11159 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11160 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11162 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11163 * genattrtab.h: Delete file.
11164 * Makefile.in (OBJS-common): Add insn-automata.o.
11165 (insn-automata.o): New rule.
11166 (simple_generated_c): Add insn-automata.c.
11167 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11168 (genprogmd): Add automata.
11169 (build/genattrtab): Needs no extra objects nor libraries.
11170 (build/genautomata): Needs build/vec.o and -lm.
11172 2006-01-22 Zack Weinberg <zackw@panix.com>
11174 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11175 (output_dfa_max_issue_rate, locked_states_num): Delete.
11176 (struct automaton): Add locked_states field.
11177 (output_dead_lock_vect): Save number of locked states in
11178 automaton->locked_states. If it is zero, don't print anything.
11179 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11180 (output_internal_dead_lock_func): Only test the dead_lock_vect
11181 for automata that have locked states.
11182 (output_statistics): Always print the number of locked states for
11183 each automaton. Calculate total number of locked states here.
11184 (write_automata): Don't call output_dfa_max_issue_rate.
11185 * genattrtab.c: Define length_unit_log as a const variable.
11186 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11187 max_insn_queue_index const.
11188 * final.c (length_unit_log): Declare const.
11189 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11191 2006-01-22 Zack Weinberg <zackw@panix.com>
11193 * genautomata.c: Include vec.h, not varray.h.
11194 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11195 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11196 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11197 VEC_* macros operating on appropriately typed vectors, or to
11198 malloced arrays when the size is known in advance. Const-ify
11199 many char* variables and function arguments. No functional changes.
11200 * Makefile.in (build/varray.o): Delete rule.
11201 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11202 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11204 2006-01-22 Zack Weinberg <zackw@panix.com>
11206 * gensupport.c: Define get_insn_name and record_insn_name here.
11207 (read_md_rtx): Call record_insn_name as appropriate.
11208 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11209 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11210 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11212 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11213 (BUILD_VARRAY): Delete.
11214 (genprognormal): Rename genprogmd. Fold in all programs from
11215 genprognoprint; also attrtab.
11216 (build/genattrtab): Just mention genautomata.o and varray.o.
11217 Reorganize a bit, add comments to make the categories clearer.
11219 2006-01-22 Zack Weinberg <zackw@panix.com>
11221 * genconditions.c (condition_table, add_condition): Delete.
11222 (write_conditions): Don't emit n_insn_conditions nor
11223 insn_elision_unavailable. Issue the gcc version #ifdef here,
11224 inside the table, with no #else clause ...
11225 (write_header): ...not here.
11226 (write_writer): New function.
11227 (main): Don't initialize condition_table. Use add_c_test.
11229 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11230 files on the command line.
11231 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11232 Return -1 if there is no entry in the table, don't abort.
11233 (add_c_test, traverse_c_tests): New functions.
11234 * gensupport.h (insn_elision_unavailable, insn_conditions)
11235 (n_insn_conditions): Delete declarations.
11236 (add_c_test, traverse_c_tests): Declare.
11237 * read-rtl.c: Include gensupport.h.
11238 (read_conditions): New function.
11239 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11240 (read_rtx_1): If we get EOF when we were looking for an initial
11241 open paren, return 0. Call read_conditions when appropriate.
11242 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11243 dummy-conditions.o. Eliminate references to insn-conditions.o,
11244 or change them to build/gencondmd.o, as appropriate. Remove
11245 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11246 from $(simple_generated_c). For all files remaining in those
11247 two lists, add insn-conditions.md to the generator command line.
11248 Give insn-constants.h/s-constants their own rules. Add rules
11249 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11250 (build/read-rtl.o): Depend on gensupport.h.
11251 (genprognormal): Include preds.
11252 (genprogearly): Rename genprognoprint; only difference is now that
11253 they don't link with $(BUILD_PRINT).
11254 * dummy-conditions.c: Delete.
11256 2006-01-22 Zack Weinberg <zackw@panix.com>
11258 * genextract.c: Don't include insn-config.h. Do include vec.h.
11259 Declare vectors of int, char, and locstr.
11260 (locstr): New typedef.
11261 (struct extraction): Make all array fields into bare pointers.
11262 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11263 (insn_code_number): Delete.
11264 (accum_extract): New struct.
11265 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11266 (gen_insn): Take insn_code_number as an argument. Use an
11267 accum_extract structure instead of loading data directly into
11268 a struct extraction, and having to know how big it might get.
11269 (walk_rtx): Operate entirely on an accum_extract structure.
11270 (print_path): Avoid unnecessary use of printf.
11271 (print_header): New function, split out of main. Distinguish
11272 more carefully between an unrecognizable insn and an insn that
11273 has the code number of a define_expand.
11274 (main): Pass insn_code_number to gen_insn. Call print_header
11275 only after parsing. Avoid unnecessary use of printf.
11276 * Makefile.in (build/vec.o): New rule.
11277 (build/genextract): Depend on build/vec.o.
11278 (build/genextract.o): Don't depend on insn-config.h.
11280 2006-01-22 Zack Weinberg <zackw@panix.com>
11282 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11283 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11284 practical. Eliminate per-generator-program link rules.
11286 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11288 PR middle-end/24437
11289 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11290 with a call expr to ...
11291 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11293 2006-01-23 Richard Guenther <rguenther@suse.de>
11295 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11296 before make_edge with conditional EDGE_TRUE_VALUE.
11298 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11299 Jan Hubicka <jh@suse.cz>
11300 Richard Guenther <rguenther@suse.de>
11302 PR rtl-optimization/25654
11303 * cfgexpand.c (aggregate_contains_union_type): New function.
11304 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11305 for structure variables that contain a union type.
11307 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11309 * gengtype.c (new_structure): Return the structure.
11310 (create_option): Add an extra "next" argument.
11311 (create_field): New function.
11312 (adjust_field_rtx_def): Use create_option and create_field.
11313 Remove a now-unnecessary call to find_structure.
11314 (adjust_field_tree_def): Likewise.
11315 (note_yacc_type): Remove an unnecessary call to find_structure.
11316 * gengtype.h (new_structure): Return the structure.
11317 (create_option): Add an extra argument.
11318 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11319 (option): Adjust calls to create_option.
11321 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11323 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11325 2006-01-22 Paul Brook <paul@codesourcery.com>
11326 Peter Barada <peter@the-baradas.com>
11328 * config/m68k/m68k.md: Add Coldfire FPU support.
11329 Define FP mode macro and associated attributes.
11330 Use it for float mode patterns.
11331 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11332 (LIBCALL_VALUE): Use m68k_libcall_value.
11333 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11334 (m68k_function_value): Ditto.
11335 (emit_move_sequence): Ditto.
11336 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11337 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11338 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11339 (MULTILIB_EXCEPTIONS): Ditto.
11340 * config/m68k/m68k.opt: Add mcfv4e.
11341 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11342 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11343 (m68k_output_function_prologue): Save ColdFire FPU registers.
11344 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11345 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11346 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11347 ColdFire FPU registers.
11348 (m68k_libcall_value, m68k_function_value): New functions.
11349 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11350 (LIBCALL_VALUE): Use m68k_libcall_value.
11351 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11352 (MASK_COLDFIRE): Add MASK_CFV4E.
11353 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11354 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11355 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11356 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11357 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11358 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11359 * doc/invoke.tex: Document -mcfv4e on m68k.
11361 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11363 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11366 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11369 * c-opts.c (c_common_handle_option): Don't include
11370 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11371 * doc/invoke.texi (C++ Dialect Options): Document that
11372 -Wnon-virtual-dtor is no longer included in -Wall.
11374 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11376 * gcov.c (print_version), gcov-dump.c (print_version),
11377 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11380 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11382 * df-scan.c (problem_SCAN): Added NULL reset function.
11383 (df_scan_reset_blocks): Added code to call reset block function
11384 (df_bb_refs_delete) Fixed comment.
11385 (df_insn_refs_delete): Made tolerant of deleting non existent info
11386 for dataflow problems that need to be reset.
11387 * df-core.c (df_set_blocks): Ditto.
11388 * df.h (struct df_problem): Added reset_fun.
11389 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11390 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11391 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11392 functions to clear out all references to def-use or use-def chains.
11394 2006-01-21 Ben Elliston <bje@au.ibm.com>
11396 * varasm.c (assemble_real): Initialise data array.
11398 2006-01-20 Paul Brook <paul@codesourcery.com>
11400 Merge from csl-arm-branch.
11401 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11402 * config/arm/arm.md (movdi): Force operands[1] to a register
11403 if we have a non-register source.
11404 (*arm_movdi, *movdf_soft_insn): Require that one of the
11405 operands be a register.
11406 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11407 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11409 2006-01-20 DJ Delorie <dj@redhat.com>
11411 * varasm.c (initializer_constant_valid_p): Allow pointers
11412 initialized from integer constants of lesser precision.
11413 (output_constant): Allow non-int-sized pointer modes to be
11414 initialized from integer constants.
11416 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11419 * cppdefault.h (struct default_include): Add multilib flag.
11420 * cppdefault.c (cpp_include_defaults): Set it.
11421 * c.opt (-imultilib): New option.
11422 * c-opts.c (imultilib): New.
11423 (c_common_handle_option): Handle -imultilib.
11424 (c_common_post_options): Likewise.
11425 * c-incpath.c (add_standard_paths, register_include_chains):
11427 * c-incpath.h (register_include_chains): Add extra parameter.
11428 * gcc.c (do_spec_1): Generate -imultilib option.
11429 (The Specs Language): Update %I description.
11430 (process_command): Update copyright notice.
11431 * doc/cppopts.texi (-imultilib): Document.
11432 * doc/invoke.texi (-imultilib): Include in option summary.
11433 (%I): Update specs documentation.
11435 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11437 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11439 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11441 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11444 2006-01-20 Richard Guenther <rguenther@suse.de>
11445 Steven Bosscher <stevenb.gcc@gmail.com>
11447 PR rtl-optimization/24626
11448 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11449 EDGE_TRUE_VALUE if in RTL mode.
11452 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11453 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11455 2006-01-20 Dirk Mueller <dmueller@suse.com>
11458 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11459 instead of a special NOP marker.
11460 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11461 NOP marker handling.
11462 * c-common.h (empty_body_warning): Add forward declaration.
11463 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11464 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11466 2006-01-20 Paul Brook <paul@codesourcery.com>
11468 * Makefile.in (lang_checks): Keep going if mkdir fails.
11470 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11472 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11473 be able to clean out basic block when not necessary.
11474 (df_scan_free): Fixed to properly delete information if df is
11475 unused before calling df_finish.
11476 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11477 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11479 (df_bb_refs_delete): New function.
11480 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11481 * df-core.c (df_set_blocks): Added code to properly clean out
11482 unused blocks if they are not part of the blocks to consider.
11483 Added additional null check.
11484 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11485 be able to clean out basic block when not necessary
11486 * df.h (df_free_bb_function): Ditto.
11487 (df_bb_refs_delete): New function.
11488 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11489 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11490 basic block parameter to be able to clean out basic block when not
11492 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11493 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11494 Fixed to properly delete information if df is unused before
11497 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11499 PR rtl-optimization/25799
11500 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11501 Corrected confluence operator to remove bits from op2 before oring
11502 with op1 rather than removing bits from op1.
11503 (df_ru_transfer_function): Corrected test on wrong bitmap which
11504 caused infinite loop. Both of these problems were introduced in
11505 the dataflow rewrite.
11507 2006-01-19 DJ Delorie <dj@redhat.com>
11509 * reload1.c (find_reload_regs): Note the details of reload
11510 failures in the dump file.
11511 (spill_failure): Likewise.
11513 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11515 * loop-iv.c: Include df.h and hashtab.h.
11516 (enum iv_grd_result): New enum.
11517 (DF_REF_IV, DF_REF_IV_SET): New macros.
11518 (struct biv_entry): New.
11519 (df, bivs): New global variables.
11520 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11521 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11523 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11524 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11525 analyzed_for_bivness_p, record_biv): New functions.
11526 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11527 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11528 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11530 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11532 (iv_number_of_iterations): Use new interface to iv analysis.
11533 * loop-unroll.c: Do not include varray.h.
11534 (analyze_iv_to_split_insn): Use new interface to iv
11536 * loop-unswitch.c (may_unswitch_on): Ditto.
11537 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11539 (df_bb_modify): Realloc tables to the new index.
11540 (df_find_use): New function.
11541 * df.h (df_find_use): Declare.
11542 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11544 * cfgloop.h (struct rtx_iv): Remove analysed field.
11545 (iv_get_reaching_def): Removed.
11546 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11547 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11548 (loop-iv.o): Add df.h and hashtab.h dependency.
11549 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11551 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11554 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11556 (__floatundisf, __floatundidf): Likewise.
11557 * libgcc2.h (IS_IBM_EXTENDED): Define.
11559 2006-01-19 DJ Delorie <dj@redhat.com>
11561 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11563 2006-01-19 Paul Brook <paul@codesourcery.com>
11565 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11566 as nothrow when unwinding tables are disabled.
11568 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11571 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11572 of bit-field" when in system header.
11574 2006-01-19 DJ Delorie <dj@redhat.com>
11576 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11577 the 16 bit shift limit of the m16c.
11579 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11582 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11583 * config/i386/i386.c (output_set_got): Output the label if we have one
11584 for the TARGET_DEEP_BRANCH_PREDICTION case.
11586 2006-01-19 Jan Hubicka <jh@suse.cz>
11587 H.J. Lu <hongjiu.lu@intel.com>
11588 Evandro Menezes <evandro.menezes@amd.com>
11590 * invoke.texi (generic): Document
11592 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11593 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11594 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11595 (x86_use_incdec, x86_pad_returns): New variables
11596 (TARGET_CPU_DEFAULT_generic): New constant
11597 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11598 (enum processor_type): Add generic32 and generic64.
11599 * i386.md (cpu attribute): Add generic32/generic64
11600 (movhi splitter): Behave sanely when both partial_reg_dependency and
11601 partial_reg_stall are set.
11602 (K8 splitters): Enable for generic as well.
11603 * predicates.md (incdec_operand): Use TARGET_INCDEC
11604 (aligned_operand): Avoid memory mismatch stalls.
11605 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11606 * ppro.md: Enable for generic32
11607 * i386.c (generic64_cost, generic32_cost): New.
11608 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11609 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11610 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11611 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11612 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11613 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11614 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11615 x86_accumulate_outgoing_args, x86_prologue_using_move,
11616 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11617 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11618 Enable for generic.
11619 (x86_use_incdec, x86_pad_returns): New.
11620 (override_options): Add generic32 and generic64, translate "generic"
11621 to generic32/generic64 and "i686" to "generic32", refuse
11622 "generic32"/"generic64" as arch target.
11623 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11624 (ix86_reorg): Honor PAD_RETURNS.
11626 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11628 * tree-pretty-print.c (dump_generic_node): Handle
11629 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11630 * cgraph.c (cgraph_expand_queue): Rename from
11631 cgraph_analyze_queue. Update all users.
11632 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11633 cgraph_expand_queue.
11634 (cgraph_expand_all_functions): Likewise.
11635 (cgraph_finalize_pending_functions): Remove. Update callers.
11637 * tree.h (OMP_DIRECTIVE_P): Define.
11638 (OMP_PARALLEL_FN): Define.
11639 (OMP_PARALLEL_DATA_ARG): Define.
11640 (OMP_SECTIONS_SECTIONS): Define.
11641 * tree-pass.h (pass_expand_omp): Declare.
11642 * omp-low.c (struct omp_region): Declare.
11643 (struct omp_context): Remove fields 'parallel_type',
11644 'parallel_start_ix' and 'parallel_start_additional_args'.
11646 (struct omp_for_data): Rename from struct expand_omp_for_data.
11647 (omp_regions): New static variable.
11648 (root_omp_region): New static variable.
11649 (find_omp_clause): Make static.
11650 (is_in_combined_parallel_ctx): Remove.
11651 (is_combined_parallel): New.
11652 (extract_omp_for_data): Move earlier in the file.
11653 (workshare_safe_to_combine_p): New.
11654 (get_ws_args_for): New.
11655 (determine_parallel_type): Move earlier in the file.
11656 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11658 (omp_copy_decl): Likewise.
11659 (create_omp_child_function): Likewise.
11660 (lookup_omp_region): New.
11661 (dump_omp_region): New.
11662 (debug_omp_region): New.
11663 (debug_all_omp_regions): New.
11664 (new_omp_region): New.
11665 (scan_omp_parallel): If parallel_nesting_level > 1, the
11666 directive is nested within another parallel directive.
11667 Set OMP_PARALLEL_FN.
11668 (scan_omp_for): Do not try to handle combined parallel+for
11670 Remove FIXME comment.
11671 (scan_omp_nested): Remove.
11672 (scan_omp_1): Do not call scan_omp_nested when
11673 parallel_nesting_level is > 1.
11674 Do not change the DECL_CONTEXT of local variables found.
11675 (lookup_decl_in_outer_ctx): New.
11676 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11677 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11678 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11679 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11680 If CTX is nested, lookup VAR in the outer context when
11681 building copy assignment.
11682 (lower_send_clauses): Rename from expand_send_clauses.
11683 If CTX is nested, lookup VAR in the outer context when
11684 building copy assignments.
11685 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11686 If CTX is nested, lookup VAR in the outer context when
11687 building copy assignments.
11688 (expand_parallel_call): Rename from build_parallel_call.
11689 Handle combined parallel+workshare cases.
11690 Re-implement to emit code into the CFG.
11692 (expand_omp_parallel): Re-implement to emit code into the CFG.
11693 Call move_sese_region_to_fn to outline the sub-graph
11694 containing the parallel region.
11695 (expand_omp_for_1): Remove.
11696 (expand_omp_for_generic): Re-implement to emit code into the
11698 (expand_omp_for_static_nochunk): Likewise.
11699 (expand_omp_for_static_chunk): Likewise.
11700 (expand_omp_for): Likewise.
11701 (expand_omp_sections): Likewise.
11702 (remove_exit_barriers): New.
11703 (expand_omp_synch): New.
11705 (build_omp_regions_1): New.
11706 (build_omp_regions): New.
11707 (execute_expand_omp): New.
11708 (gate_expand_omp): New.
11709 (pass_expand_omp): Define.
11710 (lower_omp_sections): Rename from expand_omp_sections.
11711 Set OMP_SECTIONS_SECTIONS.
11712 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11713 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11714 (lower_omp_single): Rename from expand_omp_simple.
11715 (lower_omp_master): Rename from expand_omp_master.
11716 (lower_omp_ordered): Rename from expand_omp_ordered.
11717 (lower_omp_critical): Rename from expand_omp_critical.
11718 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11719 (lower_omp_for): Re-implement.
11720 (lower_omp_parallel): Re-implement.
11721 (lower_regimplify): Rename from expand_regimplify.
11722 (lower_omp_1): Rename from expand_omp_1.
11723 If there are syntax errors in the program, replace every
11724 OpenMP directive with NOP.
11725 Call lower_omp_* instead of expand_omp_*.
11726 (lower_omp): Rename from expand_omp.
11728 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11729 * tree-gimple.h (enum omp_parallel_type): Remove.
11730 (gimple_boolify): Declare extern.
11731 (find_omp_clause, determine_parallel_type): Remove.
11733 * gimple-low.c (lower_omp_directive): New.
11734 (lower_stmt): Call it.
11735 (record_vars_into): Move from ...
11736 (record_vars): ... here.
11737 Call record_vars_into with current_function_decl.
11739 * gimplify.c (struct gimplify_ctx): Remove fields
11740 combined_pre_p and combined_ctxp. Update users.
11741 (get_formal_tmp_var): Add documentation.
11742 (gimple_boolify): Make extern.
11743 (gimplify_expr_in_ctx): Remove. Update callers.
11744 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11745 will always be a BIND_EXPR.
11746 (gimplify_expr): Handle OMP_RETURN_EXPR.
11747 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11748 (OMP_PARALLEL): Add 3 operands.
11749 (OMP_SECTIONS): Add 1 operand.
11750 (OMP_RETURN_EXPR): Define.
11752 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11753 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11754 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11755 creating a circular free list.
11756 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11758 * tree-flow.h (move_sese_region_to_fn): Declare.
11759 (record_vars_into): Declare.
11760 * tree-cfg.c (make_omp_sections_edges): New.
11761 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11762 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11763 OMP_SECTIONS and OMP_SECTION.
11764 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11765 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11766 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11767 (gather_blocks_in_sese_region): New.
11768 (struct move_stmt_d): Declare.
11769 (move_stmt_r): New.
11770 (move_block_to_fn): New.
11771 (move_sese_region_to_fn): New.
11773 * passes.c (init_optimization_passes): Schedule
11774 pass_expand_omp after pass_init_datastructures.
11776 * tree-ssa-operands.c (get_expr_operands): Handle
11777 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11778 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11780 2006-01-19 Jeff Law <law@redhat.com>
11782 * tree-vrp.c (extract_range_from_assert): Refine the result range
11783 if the variable referenced by the ASSERT_EXPR has a range and
11784 either the tentative result range or the previous range is a
11787 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11789 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11791 2006-01-19 Jan Hubicka <jh@suse.cz>
11793 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11795 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11797 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11798 (expand_compound_operation, expand_field_assignment): Fail if the
11799 bit lengths of an extract operation are out of range.
11800 (make_extraction): Compute wanted_inner_mode based on the position
11801 and length of the extraction. Make it extraction_mode for non-constant
11802 positions, and do not modify offset in that case. When generating a
11803 new MEM, use a mode that can hold the extraction while keeping correct
11804 alignment. Remove code that supported MEMs wrapped by USEs.
11805 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11807 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11809 * config/s390/s390.md ("Y", "y"): New mode attribute.
11810 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11811 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11812 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11813 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11814 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11815 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11816 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11817 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11818 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11819 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11820 "addsi3", "subsi3"): Insn patterns removed.
11821 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11822 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11823 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11824 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11825 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11826 "*sub<mode>3_cconly2"): New insn patterns.
11827 ("addsi3", "subsi3"): New expanders.
11829 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11831 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11832 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11833 existing STMT_VINFO_VECTYPE if available.
11834 (vect_mark_relevant): Add special handling for stmts that are
11835 marked as STMT_VINFO_IN_PATTERN_P.
11836 (vect_analyze_loop): Call vect_pattern_recog.
11837 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11838 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11840 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11841 (vect_recog_func_ptr): New function-pointer type.
11842 * tree-vect-patterns.c: New file.
11843 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11844 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11845 (vect_pattern_recog_1): New functions.
11846 (vect_pattern_recog_funcs): New array of function pointers.
11848 * tree-vectorizer.h (ternary_op): New enum value.
11849 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11850 declaration. Revised documentation. Removed redundant dump prints.
11851 Removed redundant argument. Added support for reduction patterns.
11852 (vectorizable_reduction): Added support for reduction patterns.
11853 (vect_transform_stmt): Added support for patterns.
11855 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11856 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11857 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11858 (expand_widen_pattern_expr): New function.
11859 (init_optabs): Initialize new optabs udot_prod_optab,
11861 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11862 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11863 (expand_widen_pattern_expr): New function declaration.
11864 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11866 * tree-inline.c (estimate_num_insns_1): Added cases for new
11867 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11868 * tree-pretty-print.c (dump_generic_node): Likewise.
11869 (op_prio): Likewise.
11870 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11871 * tree-ssa-operands.c (get_expr_operands): Added case for
11873 * tree-vect-patterns.c (widened_name_p): New function.
11874 (vect_recog_dot_prod_pattern): Added function implementation.
11875 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11876 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11877 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11878 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11880 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11881 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11882 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11883 (init_optabs): Initialize new optabs widen_ssum_optab,
11885 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11886 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11887 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11888 use instead of type of def.
11889 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11890 function implementation.
11891 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11892 widen_ssumv8hi): New.
11894 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11897 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11900 * c-decl.c (add_flexible_array_elts_to_size): New function.
11901 (finish_decl): Use it.
11903 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11905 * diagnostic.h: Include options.h.
11906 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11907 dependancies for diagnostic.h.
11908 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11910 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11912 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11913 (ssa_ro_call_cache_valid): Ditto.
11914 * tree-ssa-alias.c (sort_tags_by_id): New function.
11915 (init_transitive_clobber_worklist): Ditto.
11916 (add_to_worklist): Ditto.
11917 (mark_aliases_call_clobbered): Ditto.
11918 (compute_tag_properties): Ditto.
11919 (set_initial_properties): Ditto.
11920 (compute_call_clobbered): Ditto.
11921 (compute_may_aliases): Call compute_call_clobbered and grouping.
11922 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11923 (compute_flow_insensitive_aliasing): Grouping now happens in our
11925 (setup_pointers_and_addressables): Remove clobbering related code.
11926 (add_may_alias): Ditto.
11927 (replace_may_alias): Ditto.
11928 (get_nmt_for): Ditto.
11929 (create_global_var):
11930 (is_escape_site): Return an escape_type enumeration.
11931 * tree-flow-inline.h (is_call_clobbered): Global var does not
11932 imply call clobbered.
11933 (mark_call_clobbered): Take a reason for marking this. Remove
11934 marking of globalness, and cache invalidation.
11935 (clear_call_clobbered): Remove cache invalidation code.
11936 * tree-dfa.c (dump_variable): If details is on, dump the reason
11938 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11940 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11941 (struct var_ann_d): Ditto.
11942 (enum escape_type): New.
11943 (mark_call_clobbered): Adjust prototype.
11944 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11945 are never call clobbered.
11946 Record reasons for escaping.
11947 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11948 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11949 (ssa_ro_call_cache_valid): Ditto.
11950 (clobbered_v_may_defs): Ditto.
11951 (clobbered_vuses): Ditto.
11952 (ro_call_vuses): Ditto.
11953 (clobber_stats): New.
11954 (init_ssa_operands): Zero out clobber stats.
11955 (fini_ssa_operands): Print out clobber stats.
11956 (get_call_expr_operands): Pass callee fndecl to
11957 add_call_read_ops).
11958 (add_call_clobber_ops): Remove use of cache.
11959 Add use of PURE_CONST information.
11960 (add_call_read_ops): Remove use of cache.
11961 Add use of static not_read information.
11963 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11965 Introduce TLS descriptors for i386 and x86_64.
11966 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11967 (TARGET_ANY_GNU_TLS): New macro.
11968 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11969 (struct machine_function): Add tls_descriptor_call_expanded_p.
11970 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11971 (ix86_current_function_calls_tls_descriptor): Likewise.
11972 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11973 (override_options): Introduce gnu2 tls dialect.
11974 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11976 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11978 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11979 (ix86_init_machine_status): Initialize new field.
11980 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11981 (ix86_tls_module_base): New.
11982 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11983 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11984 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11985 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11986 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11987 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11988 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11989 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11990 * config/i386/predicates.md (tls_modbase_operand): New.
11991 (tp_or_register_operand): New.
11993 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11995 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11996 (look_for_address_of): Ditto.
11997 (ipa_init): Walk the function decls.
11998 (static_execute): Don't set readonly on FUNCTION_DECL's.
12000 2006-01-18 Roger Sayle <roger@eyesopen.com>
12002 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12003 for shifts where the source and destination registers are different.
12005 2006-01-18 Paul Brook <paul@codesourcery.com>
12007 Merge from csl-arm-branch.
12008 2005-03-14 Julian Brown <julian@codesourcery.com>
12009 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12010 (aeabi_llsl): Likewise.
12011 (ashrdi3): Likewise.
12012 (aeabi_lasr): Likewise.
12013 (lshrdi3): Likewise.
12014 (aeabi_llsr): Likewise.
12015 2005-03-10 Julian Brown <julian@codesourcery.com>
12016 * config.gcc: Disable shared libgcc for SymbianOS.
12017 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12019 2006-01-18 DJ Delorie <dj@redhat.com>
12021 * c-pragma.c (handle_pragma_diagnostic): New.
12022 (init_pragma): Register it.
12023 * doc/extend.texi: Document it.
12025 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12026 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12027 (diagnostic_context): Add classify_diagnostic[].
12028 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12029 as errors if they're overridden to DK_WARNING.
12030 (diagnostic_initialize): Initialize classify_diagnostic[].
12031 (diagnostic_set_kind_override): New.
12032 (diagnostic_report_diagnostic): Check for kind changes.
12033 * opts.c (common_handle_option): Take lang_mask. Update callers.
12034 Handle OPT_Werror_.
12035 * common.opt (Werror=): New.
12036 * doc/invoke.texi: Document -Werror=*
12038 2006-01-18 Jeff Law <law@redhat.com>
12040 * tree-vrp.c (test_for_singularity): Correct test for new
12041 min limit. Use operand_equal_p rather than pointer equality
12042 for testing if new min/max values are equal.
12044 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12045 using range information until after propagation and folding.
12047 2006-01-18 Richard Henderson <rth@redhat.com>
12048 Aldy Hernandez <aldyh@redhat.com>
12049 Jakub Jelinek <jakub@redhat.com>
12050 Diego Novillo <dnovillo@redhat.com>
12052 * omp-low.c: New file.
12053 * c-omp.c: New file.
12055 2006-01-18 Richard Henderson <rth@redhat.com>
12056 Jakub Jelinek <jakub@redhat.com>
12057 Diego Novillo <dnovillo@redhat.com>
12059 * doc/invoke.texi: Document -fopenmp.
12060 * tree-dump.h (debug_function): Declare.
12061 * hooks.c (hook_bool_tree_bool_false): New function.
12062 (hook_tree_tree_null): Remove.
12063 (hook_tree_tree_tree_null): New.
12064 * hooks.h: Update to match.
12065 * tree-pretty-print.c (debug_tree_chain): New.
12066 (print_generic_expr): Handle TDF_CHAIN.
12067 (dump_generic_node): Handle BLOCK.
12068 Do not abort with incomplete SWITCH_EXPRs.
12069 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12070 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12071 print space after directive name.
12072 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12073 Handle OMP_MASTER and OMP_ORDERED.
12074 Handle printing of OMP_BODY just in one place, goto
12075 dump_omp_body in the rest of OMP_* nodes that have
12077 Don't handle clause nodes here. Update omp statements to
12078 use dump_omp_clauses.
12079 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12080 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12081 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12082 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12083 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12084 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12085 Adjust output for GOMP_PARALLEL.
12086 (dump_omp_clauses): New.
12087 (print_declaration): Dump DECL_VALUE_EXPR.
12088 (op_symbol_1): Split out of op_symbol.
12089 (dumping_stmts): Remove. Update all users.
12090 * cgraph.c (cgraph_analyze_queue): New.
12091 (cgraph_add_new_function): New.
12092 * cgraph.h (cgraph_analyze_queue): Declare.
12093 (cgraph_add_new_function): Declare.
12094 (cgraph_lower_function): Remove.
12095 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12096 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12097 and TYPE_P nodes in its default clause.
12098 (empty_body_p): New.
12099 (tree_range_check_failed): New.
12100 (build5_stat): New.
12101 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12102 OMP_CLAUSE_REDUCTION_MERGE,
12103 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12104 OMP_CLAUSE_PRIVATE_DEBUG,
12105 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12106 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12107 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12108 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12109 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12110 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12111 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12112 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12113 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12114 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12115 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12116 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12117 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12118 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12119 (TREE_RANGE_CHECK): New.
12120 (empty_body_p): Declare.
12121 (enum omp_clause_default_kind): New.
12122 (build_string_literal): Declare.
12123 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12124 (build5_stat, build5): Declare.
12125 * tree-pass.h (TDF_CHAIN): Define.
12126 * tree-pass.h (PROP_gimple_lomp): Define.
12127 (pass_lower_omp): Declare.
12128 * diagnostic.h (debug_tree_chain): Declare.
12129 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12131 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12132 * builtins.c (build_string_literal): Make extern.
12133 * gcc.c (include_spec_function): New.
12134 (static_spec_functions): Add it.
12135 (main): Move load of libgomp.spec ...
12136 (LINK_COMMAND_SPEC): ... here.
12137 (link_gomp_spec): New.
12138 (static_specs): Include it.
12139 (LINK_COMMAND_SPEC): Add link_gomp.
12140 (GOMP_SELF_SPECS): New.
12141 (driver_self_specs): Include it.
12142 (switch_matches): Don't mark inline.
12143 (main): Load libgomp.spec.
12144 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12145 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12146 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12147 * tree-gimple.h (enum omp_parallel): Declare.
12148 (determine_parallel_type): Declare.
12149 (omp_firstprivatize_variable): Declare.
12150 (omp_reduction_init): Declare.
12151 (diagnose_omp_structured_block_errors): Declare.
12152 (struct walk_stmt_info): Add want_return_expr.
12153 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12154 (find_omp_clause): Declare.
12155 (insert_field_into_struct): Declare.
12156 (struct walk_stmt_info): Move from tree-nested.c
12157 (walk_stmts): Declare.
12158 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12160 * cgraphunit.c (cgraph_lower_function): Make static.
12161 (cgraph_finalize_pending_functions): New.
12162 (cgraph_finalize_function): Call it.
12163 (cgraph_finalize_compilation_unit): Likewise.
12164 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12165 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12166 (BT_FN_UINT_UINT): New.
12167 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12168 DEF_FUNCTION_TYPE_VAR_4): Document.
12169 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12170 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12171 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12172 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12173 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12174 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12175 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12176 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12177 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12178 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12179 into separate files.
12180 (DEF_GOMP_BUILTIN): New.
12181 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12182 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12183 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12184 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12185 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12186 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12187 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12188 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12189 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12190 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12191 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12192 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12193 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12194 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12195 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12196 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12197 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12198 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12199 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12200 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12201 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12202 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12203 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12204 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12205 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12206 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12207 * sync-builtins.def: New file, moved from builtins.def.
12208 * omp-builtins.def: New file, moved from builtins.def.
12209 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12210 * gimple-low.c (lower_function_body): Clear data.
12211 (lower_stmt): Do not handle COMPOUND_EXPR.
12212 Remove call to print_node_brief.
12213 * c-tree.h (c_finish_omp_clauses): New prototype.
12214 (C_DECL_THREADPRIVATE_P): Define.
12215 (lookup_name_no_remap, c_omp_remap_private): Remove
12216 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12217 (check_for_loop_decls): Update decl.
12218 (lookup_name_no_remap, c_omp_remap_private): Declare.
12219 (build_indirect_ref, build_modify_expr, pushdecl,
12220 pushdecl_top_level): Move to c-common.h.
12221 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12222 before the switch, but just in the 2 places that need it.
12223 * c-decl.c (diagnose_mismatched_decls): Do not check for
12224 mismatched thread-local attributes when OLDDECL is marked
12225 threadprivate and NEWDECL has no thread-local attributes.
12226 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12227 (c_gimple_diagnostics_recursively): Rename from
12228 c_warn_unused_result_recursively. Invoke
12229 diagnose_omp_structured_block_errors.
12230 (check_for_loop_decls): Return a singular decl found.
12231 * langhooks.c (lhd_omp_predetermined_sharing): Return
12232 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12233 (lhd_omp_firstprivatize_type_sizes): New.
12234 (lhd_omp_assignment): New.
12235 (lhd_omp_predetermined_sharing): New.
12236 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12237 (struct lang_hooks_for_types): Add
12238 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12239 omp_predetermined_sharing, omp_disregard_value_expr,
12240 omp_private_debug_clause, omp_clause_default_ctor,
12241 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12242 (c_finish_omp_clauses): New.
12243 (c_finish_bc_stmt): Diagnose break within omp for.
12244 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12245 (build_unary_op): Return error_mark after reporting
12247 (build_modify_expr): Likewise.
12248 * gimplify.c: Include optabs.h and pointer-set.h.
12249 (enum gimplify_omp_var_data): Declare.
12250 (struct gimplify_omp_ctx): Declare.
12251 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12253 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12254 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12255 (splay_tree_compare_decl_uid): New.
12256 (new_omp_context): New.
12257 (delete_omp_context): New.
12258 (gimple_add_tmp_var): Call omp_add_variable.
12259 (gimplify_bind_expr): Likewise.
12260 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12261 true, disregard DECL_VALUE_EXPR on the decl if any.
12262 (gimplify_expr_in_ctx): New.
12263 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12264 omp_add_variable, omp_notice_variable, omp_is_private
12265 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12266 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12267 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12268 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12269 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12270 gimplify_omp_atomic): New.
12271 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12272 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12273 OMP_CRITICAL and OMP_ATOMIC.
12274 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12275 * c-pragma.h (enum pragma_kind): Add
12276 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12277 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12278 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12279 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12280 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12281 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12282 PRAGMA_OMP_THREADPRIVATE.
12283 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12284 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12285 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12286 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12287 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12288 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12289 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12290 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12291 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12292 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12293 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12294 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12295 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12297 (struct nesting_info): Add field_map,
12298 suppress_expansion, debug_var_chain.
12299 (create_nesting_tree): Initialize them.
12300 (lookup_field_for_decl): Use field_map.
12301 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12302 (convert_local_omp_clauses): New.
12303 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12304 (walk_body): Split out of walk_function.
12305 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12306 (convert_nonlocal_reference): Handle omp statements.
12307 (convert_local_reference): Likewise.
12308 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12309 (unnest_nesting_tree): New.
12310 (lower_nested_functions): Call it.
12311 (insert_field_into_struct): Make extern.
12312 (struct walk_stmt_info): Move to tree-gimple.h.
12313 (walk_stmts): Make extern.
12314 * omp-builtins.def: New file.
12315 * tree-iterator.c (expr_only): Clarify comment.
12316 * c-common.h (pushdecl_top_level, pushdecl,
12317 build_modify_expr, build_indirect_ref,
12318 c_finish_omp_master, c_finish_omp_critical,
12319 c_finish_omp_ordered, c_finish_omp_barrier,
12320 c_finish_omp_atomic, c_finish_omp_flush,
12321 c_finish_omp_for, c_split_parallel_clauses,
12322 omp_clause_default_kind, c_omp_sharing_predetermined,
12323 c_omp_remap_decl): Declare.
12324 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12325 (OBJS-common): Add omp-low.o.
12326 (c-omp.o, omp-low.o): Add.
12327 (gimplify.o): Add dependency on $(OPTABS_H).
12328 (GTFILES): Add omp-low.c.
12329 (gt-stringpool.h): Add.
12330 * tree-cfg.c (set_bb_for_stmt): Do not update the
12331 block-to-labels map if we are currently expanding to RTL.
12332 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12334 Handle IDENTIFIER_NODE.
12335 (tree_verify_flow_info): Do not ICE when emitting error
12336 messages about invalid labels.
12337 (dump_function_to_file): Reset CFUN before emitting the body
12339 (debug_function): New.
12340 * passes.c (init_optimization_passes): Schedule
12342 * langhooks-def.h (lhd_omp_predetermined_sharing,
12343 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12345 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12346 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12347 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12348 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12349 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12350 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12351 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12352 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12353 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12354 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12355 (LANG_HOOK_DECLS): Use them.
12357 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12358 Richard Henderson <rth@redhat.com>
12359 Jakub Jelinek <jakub@redhat.com>
12360 Diego Novillo <dnovillo@redhat.com>
12362 * c-parser.c (pragma_omp_clause): Define.
12363 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12364 (c_parser_compound_statement): Likewise.
12365 (c_parser_statement): Likewise.
12366 (c_parser_pragma): Handle omp pragmas.
12367 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12368 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12369 (c_parser_omp_clause_name, check_no_duplicate_clause,
12370 c_parser_omp_variable_list,
12371 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12372 c_parser_omp_clause_copyprivate,
12373 c_parser_omp_clause_default,
12374 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12375 c_parser_omp_clause_lastprivate,
12376 c_parser_omp_clause_nowait,
12377 c_parser_omp_clause_num_threads,
12378 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12379 c_parser_omp_clause_reduction,
12380 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12381 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12382 c_parser_omp_atomic, c_parser_omp_barrier,
12383 c_parser_omp_critical, c_parser_omp_flush,
12384 c_parser_omp_for_loop, c_parser_omp_for,
12385 c_parser_omp_master, c_parser_omp_ordered,
12386 c_parser_omp_sections_scope, c_parser_omp_sections,
12387 c_parser_omp_parallel, c_parser_omp_single,
12388 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12389 * c-pragma.c (init_pragma): Do omp pragma registration here.
12390 * c.opt (fopenmp): New flag.
12392 2006-01-18 Eric Christopher <echristo@apple.com>
12394 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12395 * config/darwin.h (GOMP_SELF_SPECS): Define.
12397 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12399 * rtl.h: Remove the prototype for reg_alloc.
12401 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12404 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12405 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12406 sjlj and dwarf2 exception handling.
12407 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12408 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12409 * pa/pa.c (function_value): Treat complex and vector types as
12411 (function_arg): Likewise. Only pass scalar floats in the floating
12412 point argument registers.
12413 * pa/t-slibgcc-dwarf-ver: New file.
12414 * pa/t-slibgcc-sjlj-ver: New file.
12415 * pa/t-slibgcc-elf-ver: Delete file.
12417 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12419 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12420 unlikely_test_section_p test.
12422 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12424 * mode-switching.c (optimize_mode_switching): Make it static.
12425 * basic-block.h: Remove the prototype for
12426 optimize_mode_switching.
12428 * modulo-sched.c (sms_schedule): Make it static.
12429 * rtl.h: Remove the prototype for sms_schedule.
12431 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12432 * rtl.h: Remove the prototype for gcse_after_reload_main.
12434 * reg-stack.c (reg_to_stack): Make it static.
12435 * rtl.h: Remove the prototype for reg_to_stack.
12437 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12439 * rtl.h: Remove the prototypes for regrename_optimize and
12440 copyprop_hardreg_forward.
12442 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12444 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12445 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12446 Test against the appropriate null constant for the mode.
12447 If 'fixup_overlap' is true, swap the operands if they overlap.
12448 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12449 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12450 alpha_split_tmode_pair and adjust for above change.
12451 * config/alpha/alpha.md (movtf_internal): Adjust call to
12452 alpha_split_tfmode_pair and rely on it to swap the operands.
12453 (movti_internal): New insn and post-reload splitter.
12454 (movti): New expander.
12456 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12458 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12461 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12463 * rtlanal.c (global_reg_mentioned_p_1,
12464 global_reg_mentioned_p): Remove.
12465 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12467 * flow.c (initialize_uninitialized_subregs): Make it static.
12468 * rtl.h: Remove the prototype for
12469 initialize_uninitialized_subregs.
12471 * function.c (instantiate_virtual_regs): Make it static.
12472 * function.h: Remove the prototype for
12473 instantiate_virtual_regs.
12475 * regmove.c (regmove_optimize, combine_stack_adjustments):
12477 * rtl.h: Remove the prototypes for regmove_optimize and
12478 combine_stack_adjustments.
12480 2006-01-17 Roger Sayle <roger@eyesopen.com>
12482 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12483 (size_cost): Encode costs in bytes so that a reg-reg addition is
12484 equivalent to COSTS_N_INSNS(1).
12485 (override_options): Use the size_cost.branch_cost as the default
12486 ix86_branch_cost when optimizing for size.
12488 2006-01-18 Ben Elliston <bje@au.ibm.com>
12490 * Makefile.in (D32PBIT_FUNCS): New.
12491 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12492 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12493 D64PBIT_FUNCS and D128PBIT_FUNCS.
12494 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12495 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12497 (decnumber_dep): Define.
12498 * doc/libgcc.texi (Decimal float library routines): New node.
12499 * config/dfp-bit.h, config/dfp-bit.c: New files.
12501 2006-01-18 Ben Elliston <bje@au.ibm.com>
12503 * expr.c (emit_move_change_mode): Always adjust addresses, not
12504 just during reload. Copy replacements only during reload.
12505 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12506 emit_move_via_integer.
12508 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12510 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12511 instead of $(srcdir) and ${srcdir}.
12513 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12516 PR middle-end/11135
12517 * arm.h (struct machine_function): Add pic_reg.
12518 * arm.c (arm_pic_register): Make unsigned.
12519 (arm_override_options): Only set arm_pic_register if
12520 TARGET_SINGLE_PIC_BASE.
12521 (use_return_insn): Only test for a pic register if it is fixed.
12522 (arm_compute_save_reg0_reg12_mask): Likewise.
12523 (thumb_compute_save_reg_mask): Likewise.
12524 (legitimate_pic_operand): Factor out some known invariants.
12525 (legitimize_pic_address): If we don't have a fixed pic register,
12526 then set up a pseudo in the function entry sequence. Handle the
12527 pic base being in a pseudo.
12528 (arm_load_pic_register): Handle the pic register being in a pseudo.
12529 (arm_expand_prologue): Only set up the pic register if it is fixed.
12530 (thumb_expand_prologue): Likewise.
12531 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12532 (pic_load_addr_based_insn): Likewise.
12533 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12536 2006-01-18 Ben Elliston <bje@au.ibm.com>
12538 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12539 decimal float modes for all floating point registers.
12541 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12542 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12544 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12547 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12548 even when the pointer is not NULL.
12550 2006-01-16 Ian Lance Taylor <ian@airs.com>
12552 * common.opt (ftoplevel-reorder): New option.
12553 * cgraph.c (cgraph_asm_nodes): New global variable.
12554 (cgraph_asm_last_node): New static variable.
12555 (cgraph_order): New global variable.
12556 (cgraph_create_node): Set new order field.
12557 (cgraph_varpool_node): Likewise.
12558 (decide_is_variable_needed): Return true if not
12559 flag_toplevel_reorder.
12560 (cgraph_add_asm_node): New function.
12561 * cgraph.h (struct cgraph_node): Add order field.
12562 (struct cgraph_varpool_node): Add order field.
12563 (struct cgraph_asm_node): Define.
12564 (cgraph_asm_nodes, cgraph_order): Declare.
12565 (cgraph_add_asm_node): Declare.
12566 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12568 (cgraph_varpool_assemble_pending_decls): Call it.
12569 (cgraph_output_pending_asms): New static function.
12570 (cgraph_finalize_compilation_unit): Call it.
12571 (struct cgraph_order_sort): Define.
12572 (cgraph_output_in_order): New static function.
12573 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12574 !flag_toplevel_reorder case.
12575 * c-parser.c: Include "cgraph.h".
12576 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12578 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12579 than -fno-unit-at-a-time.
12580 * doc/invoke.texi (Option Summary): Mention
12581 -fno-toplevel-reorder.
12582 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12583 -funit-at-a-time documentation.
12585 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12586 Kazu Hirata <kazu@codesourcery.com>
12588 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12590 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12592 * Makefile.in (FUNCTION_H): New. Use it instead of
12593 function.h throughout the file.
12594 * function.h: Include tree.h.
12596 2006-01-17 Ben Elliston <bje@au.ibm.com>
12598 * recog.c: Separate some functions with whitespace.
12600 2006-01-16 Richard Henderson <rth@redhat.com>
12602 Merge from gomp branch:
12603 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12604 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12605 and rename from struct inline_data. Rename callee* to dst*;
12606 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12607 transform_new_cfg, transform_return_to_modify, and
12608 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12610 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12611 (copy_decl_for_dup): Remove.
12612 * tree-inline.c (struct inline_data): Move to header.
12613 (insert_decl_map): Export.
12614 (remap_decl): Update for member name changes. Use copy_decl hook.
12615 Allow for replacement to be a non-decl. Remove dead code.
12616 (remap_type_1): Check for existing mapping.
12617 (remap_type): Export.
12618 (remap_decls): Update for member name changes.
12619 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12620 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12621 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12622 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12623 (tree_function_versioning, build_duplicate_type): Likewise.
12624 (copy_body_r): Likewise. Export.
12625 (copy_decl_for_dup): Split into ...
12626 (copy_decl_for_dup_finish, copy_decl_to_var,
12627 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12628 (replace_ref_tree, inlining_p): Remove.
12630 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12632 * ifcvt.c (if_convert): Make it static.
12633 * rtl.h: Remove the prototype for if_convert.
12635 * local-alloc.c (local_alloc): Make it static.
12636 * rtl.h: Remove the prototype for local_alloc.
12638 * loop.c (loop_optimize): Make it static.
12639 * cfgloop.h: Remove the prototype for loop_optimize.
12642 2006-01-16 DJ Delorie <dj@redhat.com>
12644 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12647 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12649 * pa.md: Disparage copies between general and floating-point registers
12650 in 32-bit move patterns.
12652 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12655 * Makefile.in (check-%): Depend on site.exp instead of
12656 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12659 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12661 * global.c (global_alloc): Make it static.
12662 * rtl.h: Remove the prototype for global_alloc.
12664 2006-01-16 Richard Guenther <rguenther@suse.de>
12666 * tree-ssa-alias.c (struct used_part): Add write_only field.
12667 (get_or_create_used_part_for): Initialize it to true.
12668 (create_overlap_variables_for): Don't create structure variables
12669 for structures that only are written to.
12670 (find_used_portions): Handle MODIFY_EXPR to track whether a
12671 structure is only written to.
12673 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12675 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12677 * basic-block.h: Remove the prototype for
12678 partition_hot_cold_basic_blocks.
12680 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12682 * cppspec.c (lang_specific_spec_functions): Remove.
12683 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12684 * gcc.h (lang_specific_spec_functions): Remove.
12685 * gccspec.c (lang_specific_spec_functions): Remove.
12687 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12689 * combine.c (record_value_for_reg): Invalidate registers
12691 (record_dead_and_set_regs_1): Likewise, by passing them to
12692 record_value_for_reg.
12693 (record_dead_and_set_regs): Invalidate stores made by a
12694 call. We do not combine across a call, but we still
12695 relied on equivalences.
12697 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12699 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12700 vrp_int_const_binop returning non-constant nodes.
12702 2006-01-16 Paul Brook <paul@codesourcery.com>
12704 * config/m68k/m68k.c (output_move_const_into_data_reg):
12705 Output correct mnemonic for mvz and mvs.
12707 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12709 * rtl-factoring.c: Add sequence abstraction algorithm.
12710 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12711 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12713 (block_has_preserve_label): New function.
12714 * common.opt: Register new pass.
12715 * Makefile.in: Ditto.
12717 * timevar.def: Ditto.
12718 * tree-pass.h: Ditto.
12719 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12720 * rtl.h (make_jump_insn_raw): Add forward decl.
12721 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12723 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12724 Roger Sayle <roger@eyesopen.com>
12726 * fold-const.c (fold_minmax): New static function.
12727 (fold_binary) <MIN_EXPR>: Call it.
12728 <MAX_EXPR>: Likewise.
12729 * stor-layout.c (place_field): Use DECL_SIZE consistently
12730 in the computation of the new record size.
12732 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12734 * cse.c (cse_condition_code_reg): Make it static.
12735 * rtl.h: Remove the prototype for cse_condition_code_reg.
12737 * combine.c (combine_instructions): Make it static.
12738 * rtl.h: Remove the prototype for combine_instructions.
12740 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12743 * tree.c (get_file_function_name_long): Concatenate the first global
12744 object name with a string derived from the input filename of the object
12747 2006-01-16 Ben Elliston <bje@au.ibm.com>
12749 * config/i386/winnt-stubs.c: Update FSF address.
12750 * config/xtensa/ieee754-df.S: Ditto.
12751 * config/xtensa/ieee754-sf.S: Ditto.
12753 2006-01-14 Ian Lance Taylor <ian@airs.com>
12755 * ifcvt.c (noce_init_if_info): New static function, broken out of
12756 noce_process_if_block.
12757 (noce_process_if_block): Call noce_init_if_info.
12758 (check_cond_move_block): New static function.
12759 (cond_move_process_if_block): New static function.
12760 (process_if_block): Call cond_move_process_if_block.
12762 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12764 * cselib.c (hash_table): Rename to cselib_hash_table.
12765 (cselib_clear_table, discard_useless_values,
12766 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12767 cselib_init, cselib_finish): Adjust uses of hash_table.
12769 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12771 PR tree-optimization/25485
12772 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12773 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12774 is known to be false and true, respectively.
12776 2006-01-14 Richard Guenther <rguenther@suse.de>
12778 PR tree-optimization/22548
12779 PR tree-optimization/22555
12780 PR tree-optimization/22501
12781 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12782 * params.def (salias-max-array-elements): New parameter.
12783 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12784 * doc/invoke.texi (salias-max-array-elements): Document.
12785 * tree-flow-inline.h (var_can_have_subvars): We also handle
12787 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12789 * tree-ssa-structalias.c (params.h): Include.
12790 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12791 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12792 (get_constraint_for): For ADDR_EXPR operating on something
12793 containing an ARRAY_REF, add all subvars to the solution.
12794 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12795 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12796 for creating MUST_DEFs.
12797 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12799 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12801 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12803 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12804 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12805 number_of_iterations_le): New functions.
12806 (number_of_iterations_special): Removed.
12807 (number_of_iterations_exit): Do not use number_of_iterations_special.
12808 * tree.c (unsigned_type_for): Always return integer type.
12810 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12811 Richard Guenther <rguenther@suse.de>
12813 PR rtl-optimization/24257
12814 * gcse.c (find_moveable_store): Only consider a store movable
12815 when the SET_SRC of the insn can be assigned to a register.
12817 2006-01-14 Ian Lance Taylor <ian@airs.com>
12819 * tree.c (tree_not_class_check_failed): New function.
12820 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12821 (tree_not_class_check_failed): Declare.
12823 2006-01-13 Ian Lance Taylor <ian@airs.com>
12825 * reload1.c (do_output_reload): Add assertion rejecting a
12828 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12830 * combine.c (struct reg_stat): Add new fields truncation_label and
12832 (record_value_for_reg): Reset truncated_to_mode.
12833 (record_truncated_value): New function.
12834 (check_promoted_subreg): Call it. Rename to check_conversions.
12835 (combine_instructions): Rename check_promoted_subreg to
12837 (reg_truncated_to_mode): New function.
12838 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12839 (gen_lowpart_or_truncate): New function.
12840 (force_to_mode): Use it instead of gen_lowpart.
12842 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12844 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12845 VAR is a tag, not its type tag.
12847 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12849 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12850 alternatives to match style of other entries.
12851 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12853 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12855 PR tree-optimization/25771
12856 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12859 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12862 * tree-inline.c (declare_return_variable): If the return variable
12863 was marked as a non gimple complex, set the return slot variable
12864 to be a non gimple comple variable.
12866 2006-01-13 Richard Guenther <rguenther@suse.de>
12868 * builtins.c (expand_builtin_sincos): New function.
12869 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12871 (expand_builtin): Expand sincos using expand_builtin_sincos.
12873 2006-01-12 DJ Delorie <dj@redhat.com>
12875 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12876 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12877 so that constant shifts can be split.
12878 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12879 (m32c_valid_pointer_mode): Make static.
12880 (shift_gen_func_for): New.
12881 (m32c_prepare_shift): Use it. Split large const shifts into
12883 * config/m32c/predicates.md (shiftcount_operand): Allow more
12885 (longshiftcount_operand): New.
12886 * doc/md.texi (Machine Constraints): Document In6.
12888 2006-01-13 Ben Elliston <bje@au.ibm.com>
12890 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12891 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12894 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12896 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12897 to try to avoid clobbering pieces of structures when we know
12898 something about the whole structure.
12899 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12901 2006-01-13 Ben Elliston <bje@au.ibm.com>
12903 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12904 return in memory, as this is no limitation is no longer present.
12906 2006-01-12 DJ Delorie <dj@redhat.com>
12908 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12909 mova with fb, and for fb+0 -> An.
12911 * config/m32c/mov.md (peephole2): Fix enabling logic.
12913 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12914 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12915 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12916 FINI_ARRAY_SECTION_ASM_OP): Define.
12918 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12920 (m32c_legitimize_reload_address): New logic to reload FB to An.
12921 (m32c_output_reg_push): Add newline.
12922 (m32c_output_reg_pop): Likewise.
12924 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12926 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12928 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12930 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12932 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12934 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12937 2006-01-11 Ben Elliston <bje@au.ibm.com>
12939 * rtlanal.c (find_reg_note): Assert insn is not null.
12941 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12943 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12946 2006-01-11 Jeff Law <law@redhat.com>
12948 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12950 (mark_threaded_blocks, register_jump_thread): New functions.
12951 (thread_through_all_blocks): Remove unwanted argument. No
12952 longer rely on e->aux to communicate thread target info.
12953 Call mark_threaded_blocks. Release the threaded_blocks
12954 bitmap and threaded_edges vector when complete.
12955 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12956 (threaded_blocks): Remove.
12957 (tree_ssa_dominator_optimize): Remove initialization and
12958 finalization of threaded_blocks. Simplify call to
12959 thread_through_all_blocks.
12960 (thread_across_edge): Call register_jump_thread rather than
12961 storing thread information into e->aux.
12962 (free_all_edge_infos): Simplify now that e->aux is no longer
12963 used to communicate with thread_through_all_blocks.
12964 * tree-flow.h (thread_through_all_blocks): Update prototype.
12965 (register_jump_thread): Prototype.
12967 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12969 * df-core.c (df_compact_blocks, df_bb_replace): Use
12970 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12972 2006-01-11 Richard Guenther <rguenther@suse.de>
12974 PR tree-optimization/25734
12975 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12976 stop propagation after successful propagation to the LHS.
12978 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12980 * basic-block.h (control_flow_graph): Change the type of
12981 x_basic_block_info to VEC(basic_block,gc) *.
12982 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12984 (SET_BASIC_BLOCK): New.
12985 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12986 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12987 * cfgbuild.c (find_basic_blocks): Likewise.
12988 * cfglayout.c (fixup_reorder_chain): Likewise.
12989 * cfgrtl.c (create_basic_block_structure,
12990 rtl_create_basic_block): Likewise.
12991 * ifcvt.c (find_if_case_1): Likewise.
12992 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12995 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12997 * Makefile.in: Removed rotted odf.c entry.
12999 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13002 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13003 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13004 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13005 output pattern modifier, not %e.
13006 * config/cris/cris.c (cris_op_str): Update comment about pattern
13008 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13009 before falling through into...
13010 <case 'E'>: Redefined from old 'e' case.
13012 2006-01-11 Jan Hubicka <jh@suse.cz>
13015 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13017 2006-01-11 Jan Hubicka <jh@suse.cz>
13019 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13020 * i386.c (x86_decompose_lea): Kill.
13021 (ix86_rtx_costs): Kill.
13023 2006-01-11 Jan Hubicka <jh@suse.cz>
13025 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13026 * cgraph.h (cgraph_node): Add inline_decl.
13027 (cgraph_insert_node_to_hashtable): Declare.
13028 (save_inline_function_body): Declare.
13029 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13031 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13032 (cgraph_function_versioning): Update call of tree_function_versioning.
13033 (save_inline_function_body): New function.
13034 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13035 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13036 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13037 (cgraph_default_inline_p): Likewise.
13038 (cgraph_decide_inlining_incrementally): Likewise.
13039 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13040 (copy_bb): Kill saving; do updating of clones.
13041 (copy_cfg_body): Kill saving.
13042 (initialize_inlined-parameters): Likewise.
13043 (expand_call_inline): Likewise.
13045 (tree_function_versioning): New parameter "update_clones".
13046 (inlining_p): Kill saving.
13047 * tree-inline.h (tree_function_versioning): Update prototype.
13048 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13051 2006-01-11 Ian Lance Taylor <ian@airs.com>
13053 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13054 Allow undoing set of machine mode.
13055 (do_SUBST): Use enums instead of is_int.
13056 (do_SUBST_MODE): New function.
13057 (SUBST_MODE): New macro.
13058 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13059 reg and trying to replace reg_regno_rtx with a new register.
13060 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13061 (simplify_set): Use SUBST_MODE.
13062 (distribute_notes): Remove code that tried to update reg notes
13063 for regno_reg_rtx changes.
13065 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13067 PR tree-optimization/23109
13068 PR tree-optimization/23948
13069 PR tree-optimization/24123
13071 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13072 * tree-cfg.c (single_noncomplex_succ): New.
13073 * tree-flow.h (single_noncomplex_succ): Declare it.
13074 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13075 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13076 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13077 insert_bb, register_division_in, insert_reciprocals,
13078 replace_reciprocal, free_bb): New.
13079 (execute_cse_reciprocals_1): Rewritten.
13080 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13081 Do not commit any edge insertion. Always compute dominators and
13082 create the allocation pool.
13083 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13084 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13085 * targhooks.c (default_min_divistions_for_recip_mul): New.
13086 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13087 * passes.c (init_optimization_passes): Run recip after tree loop
13089 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13091 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13092 Kenneth Zadeck <zadeck@naturalbridge.com>
13094 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13095 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13096 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13097 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13098 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13099 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13100 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13101 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13102 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13103 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13104 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13105 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13106 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13107 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13108 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13109 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13110 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13111 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13112 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13113 DF_SCAN_POST_ALLOC): New macros.
13114 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13115 df_free_bb_function, df_local_compute_function, df_init_function,
13116 df_dataflow_function, df_confluence_function_0,
13117 df_confluence_function_n, df_transfer_function,
13118 df_finalizer_function, df_free_function, df_dump_problem_function,
13119 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13120 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13121 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13122 df_urec_bb_info, ) New types.
13123 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13125 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13126 df_analyze_simple_change_some_blocks,
13127 df_analyze_simple_change_one_block, df_compact_blocks,
13128 df_bb_replace, df_bb_regno_last_use_find,
13129 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13130 df_insn_regno_def_p, df_find_def, df_find_use,
13131 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13132 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13133 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13134 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13135 debug_df_chain, df_get_dependent_problem, df_chain_create,
13136 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13137 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13138 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13139 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13140 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13141 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13142 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13143 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13144 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13145 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13146 df_reorganize_refs, df_set_state, df_hard_reg_init,
13147 df_read_modify_subreg_p) New public functions.
13148 * df-core.c: The core dataflow solver and glue routines for rtl
13150 (df_init, df_add_problem, df_set_blocks, df_finish,
13151 df_hybrid_search_forward, df_hybrid_search_backward,
13152 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13153 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13154 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13155 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13156 df_reg_defined, df_find_use, df_reg_used, df_dump,
13157 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13158 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13159 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13160 debug_df_useno, reset_df_after_reload): New functions.
13161 * df-scan.c: The scanning fuctions, once in df.c, completely
13162 rewritten so that they now fully model the functionality of
13163 register usage at the backend.
13164 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13165 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13166 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13167 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13168 df_get_artificial_defs, df_get_artificial_uses,
13169 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13170 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13171 df_refs_delete, df_reorganize_refs, df_set_state,
13172 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13173 df_def_record_1, df_defs_record, df_uses_record,
13174 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13175 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13176 df_record_exit_block_uses, df_hard_reg_init): New functions.
13178 * df-problems.c: Seven concrete dataflow problems that use the
13179 scanning in df-scan.c and are solved by the engine in df-core.c.
13180 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13181 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13182 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13183 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13184 df_ru_free_bb_info, df_ru_alloc,
13185 df_ru_bb_local_compute_process_def,
13186 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13187 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13188 df_ru_transfer_function, df_ru_free, df_ru_dump,
13189 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13190 df_rd_free_bb_info, df_rd_alloc,
13191 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13192 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13193 df_rd_transfer_function, df_rd_free, df_rd_dump,
13194 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13195 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13196 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13197 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13198 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13199 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13200 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13201 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13202 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13203 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13204 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13205 df_urec_mark_reg_use_for_earlyclobber,
13206 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13207 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13208 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13209 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13210 df_chain_create_bb_process_use, df_chain_create_bb,
13211 df_chain_finalize, df_chain_free, df_chains_dump,
13212 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13213 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13214 df_reg_lifetime): New functions.
13215 * df.c: Deleted file.
13216 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13217 consistent with new df api.
13218 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13219 rest_of_handle_sms): Ditto.
13220 * web.c (unionfind_union, union_defs, entry_register, web_main):
13222 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13223 invariant_expr_equal_p, find_defs, check_dependencies,
13224 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13225 free_inv_motion_data, move_loop_invariants): Ditto.
13226 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13227 Update dependencies.
13228 (odf.c): Added defective entry that was deleted later in day.
13229 * sched-deps.c (sched_analyze_1): Ditto.
13231 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13233 * tree-ssa-operands.c (get_expr_operands): Record addressable
13234 variables directly. Do not call add_stmt_operands for CONST_DECLs
13236 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13237 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13239 2006-01-11 Ben Elliston <bje@au.ibm.com>
13241 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13242 function returns true in the positive case.
13244 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13247 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13248 for SI, DI, SF and DF modes. Add alternatives to copy between
13249 general and floating point registers to the 32-bit patterns.
13250 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13251 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13252 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13253 generating 64-bit code.
13254 * config/pa/pa.c (output_move_double): Handle copies between general
13255 and floating registers.
13257 2006-01-10 Stuart Hastings <stuart@apple.com>
13259 * config/i386/i386.md (set_got): Update.
13260 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13261 (builtin_setjmp_receiver): Mach-O support.
13262 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13263 (GOT_SYMBOL_NAME): Define.
13264 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13265 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13266 * config/i386/i386.c (override_options): Revise for Darwin.
13267 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13268 support. (darwin_x86_file_end): New. (output_set_got): Add label
13269 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13270 * config/i386/i386-protos.h (output_set_got): Likewise.
13271 * config/darwin.c (machopic_legitimize_pic_address): Update
13274 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13276 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13277 when MODE isn't BLKmode.
13279 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13281 PR rtl-optimization/25367
13282 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13284 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13287 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13288 for a negative bound.
13290 2006-01-10 Richard Guenther <rguenther@suse.de>
13292 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13293 Never override with anything constraint.
13295 2006-01-10 Jan Beulich <jbeulich@novell.com>
13297 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13298 256 bits when optimize_size.
13300 2006-01-10 Jan Beulich <jbeulich@novell.com>
13302 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13304 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13305 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13308 2006-01-10 Ben Elliston <bje@au.ibm.com>
13310 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13312 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13313 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13314 (USE_FP_FOR_ARG): Reject decimal float modes.
13315 (function_arg_advance): Likewise.
13316 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13317 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13318 point types in AltiVec vectors.
13319 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13320 (rs6000_libcall_value): Likewise.
13322 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13324 * config/xtensa/ieee754-df.S: New file.
13325 * config/xtensa/ieee754-sf.S: New file.
13326 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13327 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13328 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13330 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13332 * config/sh/predicates.md (binary_float_operator,
13333 binary_logical_operator, commutative_float_operator,
13334 equality_comparison_operator, greater_comparison_operator,
13335 less_comparison_operator, logical_operator,
13336 noncommutative_float_operator, shift_operator,
13337 symbol_ref_operand, unary_float_operator): Remove redundant
13340 2006-01-09 Jeff Law <law@redhat.com>
13342 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13343 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13344 now unused arguments. Callers updated.
13345 (eliminate_redundant_computations): Remove now unused arguments,
13347 (local_fold): Remove, no longer used.
13348 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13350 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13351 (simplify_cond): New function.
13352 (forward_propagate_into_cond): Call simplify_cond.
13354 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13356 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13357 (*vec_extractv2di_1_sse): New.
13359 2006-01-09 Ben Elliston <bje@au.ibm.com>
13361 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13363 2006-01-08 Richard Guenther <rguenther@suse.de>
13365 * tree-ssa-structalias.c (get_constraint_for): Remove
13366 anyoffset argument.
13367 (get_constraint_for_component_ref): Likewise.
13368 (do_deref): Likewise.
13369 (get_constraint_for): Likewise.
13370 (do_structure_copy): Likewise.
13371 (handle_ptr_arith): Likewise.
13372 (find_func_aliases): Likewise. Remove unused need_anyoffset
13375 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13376 Kaz Kojima <kkojima@gcc.gnu.org>
13378 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13379 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13380 (EXTRA_CONSTRAINT_C16): Remove.
13381 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13382 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13383 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13384 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13385 constants of SHmedia. Handle nested constant expressions of
13387 (andcosts): Fix the costs for SHmedia constants.
13388 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13389 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13390 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13391 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13392 (movv4hi_i, movv2si_i): Likewise.
13393 (movsi_const): Adjust the second operand of ior so to match with
13394 the Csu constraint.
13395 (movdi_const, movdi_const_32bit): Likewise.
13396 (movdi_const_16bit+1): Don't sign-extend LOW.
13397 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13399 (*double_shori): Fix the split condition. Use GEN_INT instead
13400 of get_int_mode calls. Mask lower 16-bit of the argument of
13402 (sym2GOTPLT): Remove.
13403 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13405 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13406 instead of EXTRA_CONSTRAINT_C16.
13408 2006-01-07 Ian Lance Taylor <ian@airs.com>
13409 David Edelsohn <edelsohn@gnu.org>
13411 PR rtl-optimization/25662
13412 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13413 for constant operands instead of simplify_gen_binary.
13414 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13415 after trying simplify_binary_operation
13417 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13419 * tree.c (iterative_hash_expr): Hash decls based on UID.
13421 2006-01-06 Eric Christopher <echristo@apple.com>
13423 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13424 (TARGET_UNWIND_EMIT): Fix spelling.
13425 * target.h (gcc_target): Add except_table_label.
13426 * except.c (output_function_exception_table): Use.
13427 * varasm.c (default_emit_except_table_label): New.
13428 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13430 (asm_out): Add here.
13431 * output.h (default_emit_except_table_label): Prototype.
13432 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13433 * config/darwin.c (darwin_emit_except_table_label): Define.
13434 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13436 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13438 PR tree-optimization/18527
13439 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13440 number_of_iterations_special, number_of_iterations_exit):
13441 Move base and step of an iv to a single structure. Add
13442 no_overflow flag, and use it in # of iterations analysis.
13443 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13444 folded_casts argument.
13445 (simple_iv): Pass base and step in a structure. Set no_overflow
13447 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13448 Evaluate expensiveness of computing # of iterations instead of
13449 the final expression.
13450 * tree-scalar-evolution.h (affine_iv): New structure.
13451 (simple_iv): Declaration changed.
13452 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13453 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13454 find_givs_in_stmt): Changed due to simple_iv change.
13456 2006-01-06 Jeff Law <law@redhat.com>
13459 * tree-cfg.c (bsi_replace): Rename final argument from
13460 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13461 change (stmt -> orig_stmt).
13462 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13463 (bsi_remove): Add new argument. Remove EH information
13465 (verify_eh_throw_table_statements): New function.
13466 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13468 * tree-optimize.c (execute_free_cfg_annotations): Verify
13469 the EH throw statement table after removing annotations.
13470 * except.h (verify_eh_throw_table_statements): Prototype.
13471 * tree-flow.h (bsi_remove): Update prototype.
13472 * tree-vrp.c (remove_range_assertions): Add new argument to
13474 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13475 * tree-complex.c (expand_complex_div_wide): Likewise.
13476 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13477 * tree-tailcall.c (eliminate_tailcall): Likewise.
13478 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13479 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13480 * tree-nrv.c (tree_nrv): Likewise.
13481 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13482 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13483 (combine_blocks): Likewise.
13484 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13485 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13486 (cleanup_control_flow): Likewise.
13487 (remove_forwarder_block): Likewise.
13488 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13489 * tree-sra.c (sra_replace): Likewise.
13490 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13491 (forward_propagate_single_use_vars): Likewise.
13492 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13493 * tree-inline.c (expand_call_inline): Likewise.
13494 * tree-vect-transform.c (vect_transform_loop): Likewise.
13495 * tree-outof-ssa.c (rewrite_trees): Likewise.
13496 * tree-cfg.c (make_goto_expr_edges): Likewise.
13497 (cleanup_dead_labels): Likewise.
13498 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13499 (bsi_move_before, bsi_move_after): Likewise.
13500 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13501 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13503 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13506 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13508 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13509 on non gimple variables. Also add checks at the top for decls and
13511 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13513 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13514 and IMAGPART_EXPR for creating MUST_DEFs.
13515 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13516 and NAME_MEMORY_TAG separately from the DECLs.
13518 2006-01-06 Richard Guenther <rguenther@suse.de>
13520 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13521 annotation, if necessary.
13522 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13523 redundant calls to update_stmt.
13524 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13527 2006-01-05 Richard Henderson <rth@redhat.com>
13529 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13531 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13533 * c-typeck.c: Update copyright date.
13535 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13537 * c-typeck.c (build_c_cast): Always warn when casting
13538 from a pointer to an integer of different size, even if
13539 the node was constant.
13541 2006-01-05 Richard Guenther <rguenther@suse.de>
13543 PR tree-optimization/22555
13544 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13545 if one structure field is an array.
13546 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13547 operands even if we found a subvar, but ignore VOPs in this
13549 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13551 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13553 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13555 PR middle-end/24998
13556 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13558 2006-01-05 Richard Guenther <rguenther@suse.de>
13559 Diego Novillo <dnovillo@redhat.com>
13561 * tree-pass.h (TODO_remove_unused_locals): Define.
13562 * gimple-low.c (expand_var_p, remove_useless_vars,
13563 pass_remove_useless_vars): Remove. Update all users.
13564 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13565 (remove_unused_locals): New function.
13566 * tree-flow.h (remove_unused_locals): Declare.
13567 * passes.c (execute_todo): Call remove_unused_locals if
13568 TODO_remove_unused_locals is set.
13569 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13570 * tree-ssa-dce.c (pass_dce): Likewise.
13571 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13573 2006-01-05 Richard Guenther <rguenther@suse.de>
13575 * tree-flow.h (struct fieldoff): Decompose field to
13576 type, size and decl.
13577 * tree-ssa-alias.c (create_sft): Take type as parameter.
13578 (create_overlap_variables_for): Store type, size and decl
13579 in the fieldoff structure.
13580 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13581 of struct fieldoff.
13582 (push_fields_onto_fieldstack): Likewise.
13583 (create_variable_info_for): Likewise. Use offset for the
13584 SFT name if the decl is not available.
13586 2006-01-04 Paul Brook <paul@codesourcery.com>
13588 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13590 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13592 * lambda-code.c (can_put_in_inner_loop): Relax
13594 (can_put_after_inner_loop): New function.
13595 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13596 (perfect_nestify): Change to make copies and modify uses.
13598 2006-01-04 Richard Henderson <rth@redhat.com>
13600 Merge from gomp branch:
13601 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13602 via integer constant.
13603 (pragma_lex): Remove.
13604 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13605 rather than parsing it.
13606 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13607 handle_pragma_extern_prefix): Add %< %> quotes.
13608 (registered_pragmas): New.
13609 (c_register_pragma_1): New.
13610 (c_register_pragma): Use it.
13611 (c_register_pragma_with_expansion): Likewise.
13612 (c_invoke_pragma_handler): New.
13613 (init_pragma): Use cpp_register_deferred_pragma directly for
13615 * c-pragma.h (enum pragma_kind): New.
13616 (pragma_handler): New.
13617 (c_invoke_pragma_handler): Declare.
13618 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13620 * c-common.h (c_common_pch_pragma): Update decl.
13621 * Makefile.in (c-parser.o): Update dependencies.
13622 (GTFILES): Add c-pragma.h.
13623 * c-parser.c (struct c_token): Add pragma_kind.
13624 (struct c_parser): Add in_pragma.
13625 (c_lex_one_token): Always initialize keyword and pragma_kind.
13626 Extract data for CPP_PRAGMA.
13627 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13628 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13629 Don't allow CPP_PRAGMA_EOL if in_pragma.
13630 (c_parser_consume_pragma): New.
13631 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13632 (c_parser_skip_to_end_of_parameter): Likewise.
13633 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13634 (c_parser_skip_to_pragma_eol): New.
13635 (c_parser_external_declaration): Handle CPP_PRAGMA.
13636 (c_parser_compound_statement_nostart): Likewise.
13637 (c_parser_statement_after_labels): Likewise.
13638 (c_parser_pragma): New.
13639 (pragma_lex): Likewise.
13640 (c_parser_pragma_pch_preprocess): New.
13641 (c_parser_new): Merge into ...
13642 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13644 2006-01-04 Jeff Law <law@redhat.com>
13647 * tree-cfg.c (bsi_replace): Remove the original statement
13648 from the EH throw statement table.
13650 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13652 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13653 make the prototype extern "C" and add throw ().
13656 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13657 and pos non-negative and pos + len <= 32.
13658 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13659 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13660 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13663 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13664 as well as sizes not multiple of component size.
13667 * function.c (instantiate_expr): New function.
13668 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13669 walk its DECL_VALUE_EXPR with instantiate_expr.
13671 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13672 DW_OP_deref{,_size} if address isn't going to be added.
13674 2006-01-04 Ben Elliston <bje@au.ibm.com>
13676 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13677 * config/fp-bit.c: Likewise.
13679 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13681 * dominance.c: Add comment about why we use DFS numbering
13684 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13685 Richard Henderson <rth@redhat.com>
13687 Merge from gomp-branch:
13688 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13689 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13691 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13693 PR rtl-optimization/25578
13694 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13695 pass a parameter to simplify_shift_const if changing ASHIFTRT
13698 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13700 * builtins.c (get_builtin_sync_mem): New function.
13701 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13702 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13703 Call get_builtin_sync_mem to generate mem rtx.
13705 2006-01-03 Richard Guenther <rguenther@suse.de>
13708 * stmt.c (add_case_node): Make sure to clear overflow flags
13711 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13713 Merge from gomp-branch.
13714 * config/sparc/sync.md: New file.
13715 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13716 UNSPECV_LDSTUB): New constants.
13717 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13718 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13719 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13722 2006-01-03 Roger Sayle <roger@eyesopen.com>
13724 * combine.c (reg_subword_p): New predicate to test whether the
13725 destination of a set refers to a subword/piece of a register.
13726 (try_combine): Generalize the code to merge the setting of a
13727 pseudo to a constant followed by a set of a subword of that
13728 register to a constant.
13730 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13732 * basic-block.h (control_flow_graph): Change the type of
13733 x_label_to_block_map to VEC(basic_block,gc) *.
13734 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13735 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13737 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13738 VEC(basic_block,heap) *.
13739 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13740 ssa_prop_fini): Adjust the uses of cfg_blocks.
13742 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13744 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13746 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13747 hashing trees instead of a pointer hash.
13748 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13749 compare for MEM_EXPR.
13751 PR rtl-optimization/25130
13752 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13753 when comparing MEMs for GCSE
13755 2006-01-03 Ben Elliston <bje@au.ibm.com>
13757 * targhooks.h (default_decimal_float_supported_p): Declare.
13758 * targhooks.c (default_decimal_float_supported_p): Define.
13759 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13760 `default_decimal_float_supported_p'.
13761 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13763 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13765 * combine.c (apply_distributive_law <SUBREG>): Check
13766 TRULY_NOOP_TRUNCATION.
13768 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13770 * dwarf2out.c (have_switched_text_section): Delete.
13771 (have_multiple_function_sections): New.
13772 (have_location_lists): Make 'bool'.
13773 (add_AT_loc_list): Use 'true' not '1'.
13774 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13775 (output_loc_list): Use have_multiple_function_sections.
13776 (output_ranges): Likewise.
13777 (dwarf2out_begin_function): Set have_multiple_function_sections if
13779 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13780 Check function_section rather than DECL_SECTION_NAME.
13781 (dwarf2out_finish): Use have_multiple_function_sections.
13782 Don't clear have_location_lists.
13784 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13785 Jan Hubicka <jh@suse.cz>
13787 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13788 case of conditional jump jumping to the next instruction.
13789 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13790 cases of conditional jump jumping to the next instruction.
13792 2006-01-02 Jan Hubicka <jh@suse.cz>
13794 * i386.c (*_cost): Add COSTS_N_INSNS.
13795 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13797 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13800 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13802 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13804 * config/arm/arm.c (all_fpus): Fix comment typo.
13805 * config/darwin.c: Likewise.
13806 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13807 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13808 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13810 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13812 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13813 (rs6000_split_compare_and_swapqhi): New.
13814 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13815 (sync_compare_and_swapqhi_internal): New.
13816 * config/rs6000/rs6000-protos.h: Declare.