1 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5 predicate to general_operand. Add 0->y and I->r alternatives.
7 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
9 * doc/tm.texi: Fix a typo.
10 * predict.c: Fix comment typos.
12 2006-08-25 Nick Clifton <nickc@redhat.com>
14 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
15 assertions of "cpu" and "machine".
17 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
20 * tree-ssa-operands.c (access_can_touch_variable): Don't say
21 the access through a base which has an alias set of 0 cannot
24 2006-08-24 Bill Wendling <wendling@apple.com>
26 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
28 2006-08-24 Jan Hubicka <jh@suse.cz>
30 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
32 2006-08-24 Jan Hubicka <jh@suse.cz>
35 * cgraph.c: Fix comments.
36 (cgraph_varpool_mark_needed_node): Mark only variables not already
38 * cgraphunit.c: Update comments; include gt-cgraphunit.h
39 (cgraph_varpool_assembled_nodes_queue): New static variable.
40 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
41 (cgraph_varpool_output_debug_info): New function.
42 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
43 * Makefile.in: Add gt-cgraphunit.h
45 2006-08-24 Jan Hubicka <jh@suse.cz>
47 * predict.c (probability_reliable_p): New predicate.
48 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
49 (predict_loops): Do not predict loop exit with less than 2%
51 * basic-block.h (edge_probability_reliable_p,
52 br_prob_note_reliable_p): Declare.
53 * ia64.h (ia64_print_operand): Do not disable on-chip branch
54 prediction when static predictor is not reliable.
55 * rs6000.c (output_cbranch): Likewise.
57 2006-08-23 Stuart Hastings <stuart@apple.com>
60 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
61 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
63 2006-08-21 Geoffrey Keating <geoffk@apple.com>
66 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
67 complex values, nor for generic vector values.
69 2006-08-22 Richard Guenther <rguenther@suse.de>
72 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
73 parameter. Convert arguments to arithmetic expression to the
75 (analyze_scalar_evolution_1): Adjust caller.
77 2006-08-22 Jan Hubicka <jh@suse.cz>
79 Patch by Paolo Bonzini
80 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
83 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
85 PR tree-optimization/28003
86 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
87 before grouping aliases.
89 2006-08-22 Roger Sayle <roger@eyesopen.com>
91 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
92 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
94 2006-08-21 Jason Merrill <jason@redhat.com>
97 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
98 wrapper. Loop to handle nested wrappers.
99 (gimplify_bind_expr): Remove temp parameter.
100 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
101 and STATEMENT_LIST on the rhs.
102 (gimplify_statement_list): Voidify the STATEMENT_LIST.
103 (gimplify_expr): Pass pre_p to gimplify_statement_list.
104 (gimplify_target_expr): Remove special BIND_EXPR handling.
106 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
108 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
111 2006-08-21 Olivier Hainque <hainque@adacore.com>
113 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
114 Arrange for the temporary captures of components overlapping the lhs
115 to happen before the lhs is possibly cleared.
117 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
119 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
120 necessary places to pass the correct "number of registers" values
123 2006-08-20 Jan Hubicka <jh@suse.cz>
125 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
126 (create_name_tags): Instead of quadratic checking use hashtable.
127 * bitmap.h: Include hashtab.h.
128 (bitmap_hash): Declare.
129 * bitmap.c (bitmap_hash): New function.
131 2006-08-20 Jan Hubicka <jh@suse.cz>
133 PR rtl-optimization/28071
134 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
136 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
137 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
138 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
139 cgraph_decide_inlining_incrementally): Update use of
140 cgraph_check_inline_limits.
141 * cgraph.c (edge_hash, edge_eq): New function.
142 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
143 cgraph_edge_remove_caller, cgraph_node_remove_callees,
144 cgraph_remove_node): Maintain call site hash.
145 * cgraph.h (struct cgraph_node): Add call_site_hash.
146 (cgraph_set_call_stmt): New function.
148 2006-08-20 Jan Hubicka <jh@suse.cz>
150 PR rtl-optimization/28071
151 * reload1.c (reg_has_output_reload): Turn into regset.
152 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
153 choose_reload_regs, emit_reload_insns): Update to new
154 reg_has_output_reload.
156 2006-08-20 Jan Hubicka <jh@suse.cz>
159 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
161 * cgraphunit.c (cgraph_analyze_function): Don't do so.
163 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
166 * tree.c (handle_dll_attribute): Return early if not a
167 var or function decl.
169 2006-08-18 Joseph Myers <joseph@codesourcery.com>
172 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
173 alignment of SPE vector types.
175 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
177 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
179 2006-08-17 Jakub Jelinek <jakub@redhat.com>
182 * cgraph.h (struct cgraph_node): Remove externally_visible
184 * cgraphunit.c (process_function_and_variable_attributes): Set
185 local.externally_visible rather than externally_visible.
188 * c-common.c (handle_externally_visible_attribute): First look
189 at TREE_CODE and only if it is function or var decl, check for
190 non-public objects. Don't warn for DECL_EXTERNAL.
191 * cgraphunit.c (process_function_and_variable_attributes): Warn
192 if externally_visible attribute is used on non-public object.
194 2006-08-17 Jan Hubicka <jh@suse.cz>
196 PR tree-optimization/27865
197 * reload1.c (forget_marked_reloads): New function.
198 (forget_old_reloads_1): When data are passed, just mark the registers
200 (reload_as_needed): Use the new mechanizm.
202 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
205 * reload.h (reg_equiv_alt_mem_list): New declaration.
206 * reload1.c (reg_equiv_alt_mem_list): New definition.
207 (reload): Initialize it and release it.
208 (delete_output_reload): Use it.
209 * reload.c (push_reg_equiv_alt_mem): New function.
210 (find_reloads_toplev): Call it.
211 (find_reloads_address, find_reloads_address_1): Likewise.
212 (find_reloads_subreg_address): Likewise.
214 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
216 PR rtl-optimization/28489
217 * sched-ebb.c (begin_schedule_ready): Create basic block
219 (advance_target_bb): Skip empty blocks.
220 * haifa-sched.c (bb_note): Make global.
221 * sched-int.h (bb_note): Add prototype.
223 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
225 PR tree-optimization/27865
226 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
228 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
229 fold_used_pointer, pointer_used_p): New functions.
230 (analyze_scalar_evolution_1): Use fold_used_pointer.
231 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
232 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
235 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
238 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
239 or the INTEGER_CST. Fail on a CALL_EXPR.
240 (fold_offsetof): Pass new argument to fold_offsetof_1.
241 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
242 operand into an INDIRECT_REF.
243 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
245 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
247 PR gcov/profile/26570
248 * value-prof.c (static_values): Removed.
249 (tree_find_values_to_profile): Do not set static_values.
250 (find_values_to_profile): Do not free static_values.
251 * profile.c (instrument_values): Do not free the values.
252 (branch_prob): Free the values.
254 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
256 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
258 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
261 * c-typeck.c (build_component_ref): Combine qualifiers of
262 structure or union and field.
264 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
266 PR rtl-optimization/28071
267 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
268 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
269 * tree-into-ssa.c (struct dom_dfsnum): New.
270 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
272 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
273 compute_global_livein.
274 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
275 in phi nodes in the correct blocks.
277 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
279 PR tree-optimization/28364
280 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
282 (fold_affine_expr): New function.
283 (may_eliminate_iv): Use fold_affine_expr.
285 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
288 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
291 2006-08-16 Mike Stump <mrs@apple.com>
293 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
294 * doc/cppopts.texi (-MD): Likewise.
296 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
299 * c-common.c (handle_weak_attribute): Ignore and warn if
300 not a FUNCTION_ or VAR_DECL.
302 2006-07-15 Mike Stump <mrs@apple.com>
305 * c-parser.c (c_parser_typeof_specifier): Don't use
306 c_finish_expr_stmt, open code desired semantics instead.
308 2006-08-15 Nick Clifton <nickc@redhat.com>
310 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
311 fragment to tmake_file only if threads are enabled.
312 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
313 * config/i386/t-gthr-win32: New file. ... here.
315 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
318 * c-parser.c (c_parser_compound_statement_nostart): Reset
319 parser->error after each statement.
321 2006-08-15 Jakub Jelinek <jakub@redhat.com>
324 * omp-low.c (lower_omp_parallel): Convert t to
325 receiver_decl's type.
326 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
327 source before comparison.
330 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
331 to itype in assignment to oldival2.
333 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
337 * c-typeck.c (build_compound_expr): If the second expression
338 is an error mark, then just return an error mark instead of
339 creating a COMPOUND_EXPR.
341 2006-07-14 Mike Stump <mrs@apple.com>
343 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
345 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
347 * c-decl.c, var-tracking.c: Fix comment typos.
349 2006-08-14 Richard Sandiford <richard@codesourcery.com>
351 PR rtl-optimization/28634
352 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
353 for floating-point modes unless flag_unsafe_math_optimizations.
355 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
356 Andrew Pinski <pinskia@physics.uc.edu>
359 * tree.c (build_array_type): Unify array types with
360 unspecified index_type.
361 * c-decl.c (grokdeclarator): Make sure we do not modify a
362 unified incomplete array type.
363 * c-typeck.c (store_init_value): Create distinct type before
364 filling in the index type in an initializer from a compound
367 * c-decl.c (grokdeclarator): Remove code where we copy the
370 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
372 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
373 into account for TODO_dump_cgraph.
374 (TODO_update_ssa_no_phi): Likewise.
375 (TODO_update_ssa_full_phi): Likewise.
376 (TODO_update_ssa_only_virtuals): Likewise.
377 (TODO_remove_unused_locals): Likewise.
378 (TODO_set_props): Likewise.
379 (TODO_update_stmt_usage): Likewise.
381 2006-08-13 Dirk Mueller <dmueller@suse.de>
383 * c-common.c (strict_aliasing_warning): Fix formatting.
385 2006-08-13 Matthias Klose <doko@debian.org>
387 * doc/invoke.texi: Fix spelling errors.
389 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
391 PR rtl-optimization/23454
392 * reorg.c (relax_delay_slots): Update comment.
394 2006-08-11 Richard Guenther <rguenther@suse.de>
397 * simplify-rtx.c (simplify_const_relational_operation):
398 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
401 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
403 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
404 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
406 2006-08-10 Paul Brook <paul@codesourcery.com>
408 * final.c (final_scan_insn): Clear current_insn_predicate before
409 outputting inline asm.
411 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
413 PR tree-optimization/26197
414 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
415 get_ref_base_and_extent and overlap_subvar to add only relevant
416 subvars as may-aliases.
417 (add_may_alias_for_new_tag): New function, factored out of
419 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
420 with additional argument.
421 * tree-flow.h (new_type_alias): Takes additional argument.
423 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
425 * gcov.c (no_data_file): New flag.
426 (read_count_file): Set it if data file not present. Assume counts
428 (output_lines): Don't name the data file, if there wasn't one.
430 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
432 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
433 (rs6000_generate_compare): Tweak comments.
434 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
436 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
438 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
439 (var_debug_decl): New function.
440 (var_reg_set): Follow debug decl link. Add location even if
441 reg is already known to hold some other variable.
442 (var_mem_set): Follow debug decl link.
443 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
444 decl link. Delete other known locations of the variable part
446 (var_reg_delete, var_mem_delete): Delete other known locations
447 of the variable part if requested.
448 (same_variable_part_p): New function.
449 (add_stores): Select MO_COPY when appropriate.
450 (vt_initialize): Handle it.
451 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
452 known locations for MO_SET and MO_CLOBBER.
453 (find_variable_location_part): New function.
454 (set_variable_part, delete_variable_part): Use it.
455 (clobber_variable_part): New function.
456 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
459 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
461 PR tree-optimization/26969
462 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
463 with an empty list of PHIs.
465 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
469 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
472 2006-08-06 Andreas Schwab <schwab@suse.de>
474 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
475 string. Whitespace and comment fixup.
477 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
480 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
484 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
487 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
489 2006-08-04 Jan Hubicka <jh@suse.cz>
493 * reload.c (push_reload): Patch out the mismatching instruction;
495 (find_reload): Bail out if the instruction was patched out.
497 2006-08-04 Jan Hubicka <jh@suse.cz>
499 PR tree-optimization/24888
500 * tree-inline.c (expand_call_inline): Do not re-record variables.
501 (declare_inline_vars): Add variable to unexpanded_var_list.
503 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
504 Roger Sayle <roger@eyesopen.com>
506 PR rtl-optimization/26244
507 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
508 inner_const are negative or greater than or equal to the bitsize of
509 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
510 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
511 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
512 CONST0_RTX (mode) when the new shift count is greater than or equal to
513 to the bitsize of the object being shifted and XEXP (y, 0) has no side
516 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
518 * tree-cfg.c: Fix a comment typo.
520 2006-08-03 Mark Mitchell <mark@codesourcery.com>
523 * varasm.c (output_constant): Give the front end another chance to
524 expand constants, after stripping NOPs.
526 2006-08-03 Jan Hubicka <jh@suse.cz>
528 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
531 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
533 PR tree-optimization/27770
534 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
535 declaration removed (moved to tree-flow.h).
536 (vect_can_force_dr_alignment_p): Likewise.
537 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
538 (moved from tree-vectorizer.h).
539 (vect_can_force_dr_alignment_p): Likewise.
540 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
541 from outside the vectorizer - in particular from cgraph stage.
542 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
543 the alignment of global arrays when -fsection-anchors is enabled.
544 * cgraphunit.c (cgraph_increase_alignment): New function.
545 (cgraph_optimize): Call cgraph_increase_alignment.
547 2006-08-03 David Edelsohn <edelsohn@gnu.org>
550 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
551 not reload a SPE symbol_ref into a lo_sum address.
553 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
556 * dwarf2out.c (prune_unused_types_prune): Move call to
557 prune_unused_types_update_strings to cover the parent DIE also.
559 2006-08-02 Jan Hubicka <jh@suse.cz>
561 PR gcov/profile/28480
562 * tree-cfg.c (change_bb_for_stmt): New function.
563 (tree_merge_blocks, tree_split_blocks): Use it.
565 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
571 * toplev.c (compile_file): Return early on errorcount or sorrycount.
572 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
573 (cgraph_optimize): Likewise.
575 2006-08-01 Stuart Hastings <stuart@apple.com>
577 * rtl.h (UINTVAL) New.
578 * config/rs6000/rs6000.c (SMALL_INT) Use it.
579 * testsuite/gcc.dg/20060801-1.c: New.
581 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
584 * c-typeck.c (build_external_type): Mark used enum types.
585 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
587 (gen_subprogram_die): Whitespace fix.
589 2006-08-01 Jan Hubicka <jh@suse.cz>
591 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
592 bitmap when not needed.
593 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
596 2006-08-01 Dirk Mueller <dmueller@suse.de>
598 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
600 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
602 * Makefile.in: Revert part of previous patch:
603 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
606 2006-07-30 Eric Christopher <echristo@apple.com>
609 * doc/extend.texi (i386 Variable Attributes): Add anchor.
610 (PowerPC Variable Attributes): New section.
612 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
614 PR target/28126 (partial fix)
615 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
617 2006-07-28 Jan Hubicka <jh@suse.cz>
619 PR rtl-optimization/28071
620 * cfgrtl.c (rtl_delete_block): Free regsets.
621 * flow.c (allocate_bb_life_data): Re-use regsets if available.
623 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
625 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
626 and variables used in dependencies.
628 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
630 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
631 %fs for -mcmodel=kernel.
632 (stack_tls_protect_test_di): Likewise.
634 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
636 * Makefile.in: Use mkinstalldirs.
638 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
641 * opts-common.c (prune_options): Skip joined switches.
643 2006-07-27 Jan Hubicka <jh@suse.cz>
645 PR rtl-optimization/28071
646 * cselib.c (cselib_process_insn): Don't remove useless values too
647 often for very large hashtables.
649 2006-07-27 Jan Hubicka <jh@suse.cz>
651 PR rtl-optimization/28071
652 * global.c (greg_obstack): New obstack.
653 (allocate_bb_info): Use it.
654 (free_bb_info): Likewise.
655 (modify_reg_pav): Likewise.
657 2006-07-27 Roger Sayle <roger@eyesopen.com>
659 * builtins.c (fold_fixed_mathfn): When long and long long are the
660 same size, canonicalize llceil*, llfloor*, llround* and llrint*
661 functions to their lceil*, lfloor*, lround* and lrint* forms.
663 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
666 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
668 (rev_branch_insn): Likewise.
670 2006-07-27 Jan Hubicka <jh@suse.cz>
672 PR rtl-optimization/28071
673 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
674 (reg_set_in_bb, max_reg_computed): New static variables.
675 (regmove_optimize): Free the new array.
676 (fixup_match_1): Update call of reg_is_remote_constant_p.
678 2006-07-26 Jan Hubicka <jh@suse.cz>
680 PR tree-optimization/27882
681 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
683 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
685 (cgraph_analyze_compilation_unit): Likewise.
686 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
687 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
688 (cgraph_early_inlinine): Make order garbage collected.
689 * Makefile.in (gt-ipa-inline): New garbagecollected file.
691 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
693 * dbxout.c (output_types_sort): Add a comment.
694 (output_used_types): Free the VEC.
696 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
698 * function.c (reorder_fix_fragments): Delete.
699 (reorder_blocks): Don't call it.
700 (reorder_blocks_1): Put all subblocks under the origin block.
702 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
704 PR rtl-optimization/27907
705 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
708 2006-07-25 Roger Sayle <roger@eyesopen.com>
711 * convert.c (convert_to_integer): When transforming (T)foo(x) into
712 bar(x) check that bar's result type can represent all the values of T.
714 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
716 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
718 2006-07-25 Nick Clifton <nickc@redhat.com>
720 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
722 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
723 (ggc_pch_count_object): Likewise.
724 (ggc_pch_alloc_object): Likewise.
725 (ggc_pch_write_object): Likewise.
726 (init_ggc): Do not attempt to initialize entries in the
727 size_lookup[] array for objects whose size is greater than than
728 the length of the array.
730 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
732 * dbxout.c (output_used_types_helper): Push queued types
734 (output_types_sort): New.
735 (output_used_types): Collect used types on a VEC and sort them
738 2006-07-24 Richard Guenther <rguenther@suse.de>
741 * cgraph.c (cgraph_remove_node): Do not check if dumps
743 * cgraphunit.c (cgraph_optimize): Likewise.
745 2006-07-24 Jan Hubicka <jh@suse.cz>
747 PR rtl-optimization/28071
748 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
749 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
750 splitting before first stmt.
752 2006-07-24 Jan Hubicka <jh@suse.cz>
754 PR rtl-optimization/28071
755 * ipa-inline.c (update_caller_keys): Remove edges that
756 are no longer inline candidates.
758 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
761 * dbxout.c (output_used_types_helper, output_used_types): New.
762 (dbxout_symbol): Call output_used_types.
764 2006-07-23 Jan Hubicka <jh@suse.cz>
768 * cgraph.c (cgraph_varpool_nodes): Export.
769 (decide_is_variable_needed): Ignored "used" attribute in
771 * cgraph.h (cgraph_varpool_nodes): Declare.
772 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
775 2006-07-23 Roger Sayle <roger@eyesopen.com>
778 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
779 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
780 the __gthrw form of thr_keycreate.
781 (__gthread_key_delete): Silence the unused argument warning.
783 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
786 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
787 Cache the last found '\0' marker to avoid quadratic behavior.
789 2006-07-23 Jan Hubicka <jh@suse.cz>
791 * i386.md (subsi_3_zext): Fix output template.
793 2006-07-21 Mike Stump <mrs@apple.com>
795 * doc/invoke.texi (C++ Dialect Options): Note that
796 -fvisibility-inlines-hidden doesn't affect explicitly
797 instantiationed inline methods.
799 2006-07-20 Roger Sayle <roger@eyesopen.com>
801 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
802 if the target assembler is GNU binutils' gas.
803 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
804 whether to pass GNU gas or native as command line options.
806 2006-07-20 Jason Merrill <jason@redhat.com>
808 * tree.c (remove_attribute): New fn.
809 * tree.h: Declare it.
811 2006-07-20 Paul Brook <paul@codesourcery.com>
814 * cse.c (cse_insn): Add destination addresses to hash table. Check if
815 they are invalidated by this instruction.
817 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
820 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
822 2006-07-20 Eric Christopher <echristo@apple.com>
825 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
827 2006-07-19 Eric Christopher <echristo@apple.com>
829 * config/t-slibgcc-darwin (stmp-lipo): Remove.
830 Rewrite dependencies for libgcc_s.1.dylib.
832 2006-07-19 Jakub Jelinek <jakub@redhat.com>
834 * except.c (duplicate_eh_regions_1): Clear next_peer.
836 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
838 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
839 -mlongcall does not guarantee all calls will be long.
840 * doc/extend.texi (long_call/short_call): Document that longcall
841 does not guarantee a long call will be used.
842 (longcall/shortcall): Likewise.
844 2006-07-18 Roger Sayle <roger@eyesopen.com>
847 * expmed.c (expand_shift): Additionally check that the shift_cost
848 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
849 before implementing a LSHIFT_EXPR as a sequence of additions.
850 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
851 middle-end that DImode shifts need to be synthesized by expand.
853 2006-07-18 Diego Novillo <dnovillo@redhat.com>
856 * tree-ssa-operands.c (access_can_touch_variable): Update
858 Return true if ALIAS is .GLOBAL_VAR.
860 2006-07-18 David Daney <ddaney@avtrex.com>
862 * gcc.c (display_help): Fix typo in help text.
864 2006-07-18 Olivier Hainque <hainque@adacore.com>
866 * tree.h (categorize_ctor_elements): Adjust prototype and add
867 descriptive comment, both in accordance with the interface change
869 * varasm.c (constructor_static_from_elts_p): New function.
870 Whether a constructor node is a valid static constant initializer
871 if all its elements are.
872 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
873 * output.h: Declare it.
874 * expr.c (categorize_ctor_elements_1): Return whether the constructor
875 is a valid constant initializer instead of computing the number of
876 non-constant elements. Use constructor_static_from_elts_p for this
877 purpose. Replace the head comment with an indication that this is a
878 helper for categorize_ctor_elements.
879 (categorize_ctor_elements): Same interface change as for the _1
880 helper. Former head comment from this helper moved here, adjusted to
881 account for the interface changes.
882 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
883 (all_zeros_p): Likewise.
884 * gimplify.c (gimplify_init_constructor): Decide whether we can make
885 static versions of the constructor from the categorize_ctor_elements
886 return value instead of the formerly computed number of non-constant
889 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
891 * configure: Regenerate.
892 * Makefile.in (build_libsubdir): New configure substitution
893 (build_libobjdir): New variable.
894 (BUILD_LIBIBERTY): Use it.
896 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
899 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
901 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
904 * c-common.c (handle_weakref_attribute): Ignore attribute in
905 the same conditions the alias attribute is ignored.
907 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
909 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
910 (dbxout_begin_prologue): Increment scope_labelno.
912 2006-07-17 Richard Henderson <rth@redhat.com>
915 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
918 2006-07-17 Roger Sayle <roger@eyesopen.com>
919 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
921 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
922 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
923 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
924 functions such as sbrk, write, etc.. Add function prototypes.
925 Convert function declarations from K&R to ISO C. Cast pointers
926 to "long" and "unsigned long" instead of "int" and "unsigned int".
927 Convert tokens following #endif into comments.
929 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
931 * invoke.texi: Remove mention of f77; Reformat table for
932 inline parameter options correctly; mention that -malign-double
933 is default on x86-64 targets.
935 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
937 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
938 (convert_affine_scev, chrec_convert_aggressive): Use
939 avoid_arithmetics_in_type_p. Do not check for the subtypes
942 2006-07-17 Richard Sandiford <richard@codesourcery.com>
945 * optabs.c (expand_doubleword_shift): Wrap the call to
946 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
948 2006-07-17 Richard Sandiford <richard@codesourcery.com>
951 * optabs.c (expand_binop): Pass next_methods rather than methods
952 to expand_doubleword_shift.
954 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
957 * tree.h (dump_addr): Declare.
958 * print-tree.c (dump_addr): New function.
959 (print_node_brief, print_node): Use it.
960 * print-rtl.c (print_rtx): Likewise.
961 * common.opt (-fdump-noaddr): New option.
962 * doc/invoke.texi (-fdump-noaddr): Document.
963 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
964 (ve_info_hash): Likewise.
966 2006-07-13 Andrew Haley <aph@redhat.com>
968 PR tree-optimization/19505
969 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
970 edge leaving this block, make sure that the destination of this
971 block has only one predecessor.
973 2006-07-17 Richard Guenther <rguenther@suse.de>
975 PR tree-optimization/28238
976 * tree-inline.c (copy_bb): Check if we produced valid
977 gimple copying and substituting a stmt. If not, gimplify
980 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
982 * optabs.c (maybe_encapsulate_block): New function extracted from...
983 (emit_libcall_block): ...here. Invoke it on the block of insns to
984 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
985 (emit_no_conflict_block): Likewise.
987 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
989 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
991 2006-07-15 Roger Sayle <roger@eyesopen.com>
993 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
994 a new NOP_EXPR case of the switch statement.
996 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
999 * stor-layout.c (place_field): Take the bit field with
1000 an excessive size into account in the ms-bitfiled case.
1003 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1004 the previous bit field.
1006 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1009 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1011 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1013 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1014 signal frames correctly even when the signal was installed with
1017 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1019 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1020 (dbxout_function_end): Use local label LFBB. Remove hook
1022 (dbxout_source_line): Use local label LFBB.
1023 (dbxout_block): Likewise.
1024 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1025 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1026 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1027 and DBX_OUTPUT_NFUN.
1029 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1031 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1033 2006-07-13 Jan Hubicka <jh@suse.cz>
1035 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1037 * output.h (align_variable): Declare.
1038 * varasm.c (align_variable): Export.
1039 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1040 when basic block changed.
1042 2006-07-13 Nick Clifton <nickc@redhat.com>
1044 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1045 walking the LOG_LINKS chain.
1047 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1049 * doc/invoke.texi (C++ Dialect Options): Explain difference
1050 between -fvisibility-inlines-hidden and setting hidden
1051 visibility explicitly.
1053 2006-07-12 Eric Christopher <echristo@apple.com>
1055 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1056 (stmp-lipo): Depend on libgcc.a.
1058 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1060 * tree.c: Fix a comment typo.
1062 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1064 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1066 (umulhisi3_r): Likewise.
1068 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1071 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1072 x < 19, vs wchar_t support.
1074 2006-07-12 Nick Clifton <nickc@redhat.com>
1076 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1077 instead of -isa=sh4.
1079 2006-07-12 Mike Stump <mrs@apple.com>
1081 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1083 2006-07-10 Eric Christopher <echristo@apple.com>
1085 * config/t-slibgcc-darwin: Rewrite.
1087 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1090 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1093 2006-07-08 Matthias Klose <doko@debian.org>
1095 * doc/sourcebuild.texi: Fix typo.
1097 2006-07-07 Mike Stump <mrs@apple.com>
1099 * toplev.c (process_options): Don't give -ffunction-sections may
1100 affect debugging warning for Mach-O.
1102 2006-07-07 James E Wilson <wilson@specifix.com>
1104 * config/mips/mips.md (cpu): Add sb1a.
1105 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1106 addition to sb1. Adjust comments to clarify SB-1A differences from
1108 (ir_sb1a_load): New. Modify bypasses to use it.
1109 (ir_sb1a_simple_alu): Likewise.
1110 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1111 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1112 (mips_issue_rate): Add PROCESSOR_SB1A.
1113 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1114 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1115 (TARGET_SB1): Add PROCESSOR_SB1A check.
1116 (TUNE_SB1): Likewise.
1118 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1119 * config/mips/mips.c (mips_store_data_bypass_p): New.
1120 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1121 store_data_bypass_p.
1123 2006-07-08 Paul Brook <paul@codesourcery.com>
1126 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1128 2006-07-07 Richard Guenther <rguenther@suse.de>
1131 * tree.h (build_one_cst): Declare.
1132 * tree.c (build_one_cst): New function.
1133 * tree-ssa-math-opts.c (get_constant_one): Remove.
1134 (insert_reciprocals): Use build_one_cst.
1135 * fold-const.c (fold_plusminus_mult): Likewise.
1137 2006-07-07 Roger Sayle <roger@eyesopen.com>
1139 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1140 * cfgloopanal.c (dump_graph): Likewise.
1141 * dojump.c (discard_pending_stack_adjust): Likewise.
1142 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1144 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1145 * function.c (finalize_block_changes): Likewise.
1146 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1147 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1148 * rtl.c (dump_rtx_statistics): Likewise.
1149 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1151 * varray.c (dump_varray_statistics): Likewise.
1152 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1153 decode_decimal64, encode_decimal128, decode_decimal128,
1154 decimal_real_to_decimal): Likewise.
1156 2006-07-07 Richard Guenther <rguenther@suse.de>
1158 PR tree-optimization/28187
1159 * tree-vrp.c (vrp_operand_equal_p): New function.
1160 (vrp_bitmap_equal_p): Likewise.
1161 (update_value_range): Use them to compare old and new
1164 2006-07-06 Roger Sayle <roger@eyesopen.com>
1166 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1167 a default case to switch statement to silence compiler warnings.
1169 2006-07-06 Roger Sayle <roger@eyesopen.com>
1172 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1173 the configured assembler supports the x87's ffreep mnemonic.
1174 * configure: Regenerate.
1175 * config.in: Regenerate.
1177 * config/i386/i386.c (output_387_ffreep): New function.
1178 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1179 (output_387_reg_move): Likewise.
1181 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1183 Port to hosts whose 'sort' and 'tail' implementations
1184 treat operands with leading '+' as file names, as POSIX
1185 has required since 2001. However, make sure the code still
1186 works on pre-POSIX hosts.
1187 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1188 which says you should use "tail -c +N" rather than "tail +Nc".
1189 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1191 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1193 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1196 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1199 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1200 PRE_{INC,DEC} of TFmode.
1202 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1203 Alan Modra <amodra@bigpond.net.au>
1206 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1209 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1212 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1213 Remove duplicate gtu.
1215 2006-07-05 Jason Merrill <jason@redhat.com>
1219 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1220 * c-common.c (handle_packed_attribute): So don't copy it here.
1221 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1223 2006-07-05 Mike Stump <mrs@apple.com>
1225 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1227 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1230 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1232 2006-07-05 Richard Guenther <rguenther@suse.de>
1235 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1236 TARGET_SSE2 targets if using SSE math.
1237 (*absdf2_1): Likewise.
1239 2006-07-05 Richard Guenther <rguenther@suse.de>
1241 PR tree-optimization/28162
1242 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1243 make sure to convert the operands to the correct type.
1245 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1247 PR tree-optimization/28218
1249 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1250 to calculate and free the dominator information.
1252 2006-07-04 Peter O'Gorman <peter@pogma.com>
1254 * mklibgcc.in: chmod 644 before ranlib during install.
1256 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1257 J"orn Rennecke <joern.rennecke@st.com>
1259 * configure.ac (.eh_frame data check): Use diff -b.
1261 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1264 * Makefile.in (BUILD_RTL): Add build/vec.o.
1265 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1266 (build/genextract): Delete.
1267 (build/genautomata): Likewise.
1269 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1272 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1273 128-bit IBM long doubles for ABI_V4.
1275 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1277 * tree.c (range_in_array_bounds_p): New predicate.
1278 * tree.h (range_in_array_bounds_p): Declare it.
1279 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1280 return a less conservative answer.
1281 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1282 and flag 'is_group'.
1283 (IS_ELEMENT_FOR_GROUP): New macro.
1284 (FOR_EACH_ACTUAL_CHILD): Likewise.
1285 (next_child_for_group): New helper function.
1286 (can_completely_scalarize_p): Take into account groups.
1287 (sra_hash_tree): Handle RANGE_EXPR.
1288 (sra_elt_eq): Likewise.
1289 (lookup_element): Be prepared for handling groups.
1290 (is_valid_const_index): Delete.
1291 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1292 instead of is_valid_const_index.
1293 <ARRAY_RANGE_REF>: New case.
1294 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1295 is_valid_const_index.
1296 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1297 (scan_dump): Dump info for groups too.
1298 (decide_instantiation_1): Likewise.
1299 (decide_block_copy): Assert that the element is not a group.
1300 Propagate decision to groups.
1301 (generate_one_element_ref): Handle RANGE_EXPR.
1302 (mark_no_warning): Iterate over actual childs.
1303 (generate_copy_inout): Likewise.
1304 (generate_element_copy): Likewise.
1305 (generate_element_zero): Likewise.
1306 (generate_element_init_1): Likewise.
1307 (dump_sra_elt_name): Handle RANGE_EXPR.
1309 2006-07-03 Roger Sayle <roger@eyesopen.com>
1311 PR tree-optimization/26251
1312 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1313 (thread_block): When optimizing for size refuse to thread jumps
1314 that would require duplication of blocks other than redirection
1317 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1319 * configure.ac: Fix thinko in previous check-in.
1320 * configure: Regenerate.
1322 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1325 * configure.ac (for lang...): Simplify nesting of conditionals.
1326 Test subdir_requires for non-enabled languages. Move processing
1327 of lang_opt_files and lang_tree_fiels below that test.
1328 * configure: Regenerate.
1329 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1331 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1333 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1335 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1337 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1340 2006-06-29 Jason Merrill <jason@redhat.com>
1347 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1348 * c-common.c (c_determine_visibility): Handle it here.
1349 * c-decl.c (finish_decl): Call c_determine_visibility for
1351 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1353 * varasm.c (default_assemble_visibility): Likewise.
1354 * c-common.c (handle_visibility_attribute): Complain about trying
1355 to give visibility to an already defined class, or trying to change
1356 declared visibility. Always attach the attribute.
1361 * attribs.c (decl_attributes): Ignore type-in-place attributes
1362 once the type has been defined.
1364 2006-06-29 Roger Sayle <roger@eyesopen.com>
1367 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1368 to indicate the cpplib has issued an error message for us.
1370 2006-06-29 Asher Langton <langton2@llnl.gov>
1373 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1374 insert a label at the end of an function under Mach-O.
1376 2006-06-29 Eric Christopher <echristo@apple.com>
1377 Evan Cheng <evan.cheng@apple.com>
1379 * predicates.md (vector_all_ones_operand): New.
1380 (nonimmediate_or_sse_const_operand): Ditto.
1381 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1382 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1383 (standard_sse_mode_p): Ditto.
1384 (standard_sse_constant_p): Add case for -1 vector.
1385 (ix86_expand_vector_move): Try to use.
1386 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1387 Call standard_sse_constant_opcode.
1388 (*movv4sf_internal): Ditto.
1389 (*movv2df_internal): Ditto.
1391 2006-06-29 Roger Sayle <roger@eyesopen.com>
1393 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1394 of XEXP to extract the operands of a MATCH_CODE rtx.
1396 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1398 * tree.c (tree_size): Do not waste tail padding in
1399 struct tree_string and make the size be the same as
1400 build_string will generate.
1402 2006-06-28 Jason Merrill <jason@redhat.com>
1405 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1406 may_aliases already in the tag's annotations to the bitmap.
1408 2006-06-28 Roger Sayle <roger@eyesopen.com>
1410 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1412 2006-06-28 Roger Sayle <roger@eyesopen.com>
1414 * genpreds.c (generate_switch_p): New function.
1415 (add_mode_tests): Push the new mode test down inside an AND expr
1416 if this allows the switch-suitable MATCH_CODE to be near the root.
1417 (write_match_code_switch): New function to write a MATCH_CODE as
1419 (write_predicate_stmts): New function to write a predicate RTX
1420 expression as a sequence of statements.
1421 (write_one_predicate_function): Use write_predicate_stmts.
1422 (write_tm_constrs_h): Likewise.
1424 2006-06-26 Fred Fish <fnf@specifix.com>
1426 * config/mips/t-sb1: New file.
1427 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1430 2006-06-26 DJ Delorie <dj@redhat.com>
1432 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1434 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1435 Jayant Sonar <jayants@kpitcummins.com>
1436 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1438 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1439 (subsi3, subsi3_1, subsi3_2): New.
1440 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1441 * config/m32c/mov.md (SI mov peephole): New.
1442 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1443 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1445 2006-06-26 Olivier Hainque <hainque@adacore.com>
1447 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1448 a CALL_EXPR target function declaration.
1450 2006-06-26 Richard Guenther <rguenther@suse.de>
1452 * tree.c (build_string): Do not waste tail padding in
1455 2006-06-26 Richard Guenther <rguenther@suse.de>
1457 * ggc-page.c (init_ggc): Add missing element to size_lookup
1461 2006-06-23 Richard Guenther <rguenther@suse.de>
1463 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1464 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1465 alignment requests instead. Add verification code.
1466 Add struct tree_function_decl and struct tree_binfo size to
1467 extra_order_size_table. Add missing element to size_lookup
1470 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1473 * fold-const.c (const_binop): Be prepared for self returning zero.
1474 Simplify code handling complex values.
1476 2006-06-24 Olivier Hainque <hainque@adacore.com>
1478 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1479 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1482 2006-06-24 Olivier Hainque <hainque@adacore.com>
1484 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1485 ARRAY_REF, so have the callback called for the low bound expression.
1487 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1489 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1490 * c-typeck.c (c_common_type): Disallow operations on decimal float
1491 types and other float types.
1492 * convert.c (convert_to_real): Don't ignore conversions involving
1493 decimal float types.
1495 2006-06-23 Olivier Hainque <hainque@adacore.com>
1497 * tree.c (max_int_size_in_bytes): New function, inspired from
1498 code in function.c:assign_temp.
1499 * tree.h (max_int_size_in_bytes): Declare.
1500 * function.c (assign_temp): Use it.
1501 * gimplify.c (create_tmp_var): Relax the assertions on the type
1502 properties, not mandating constant size any more.
1503 (force_constant_size): New static function.
1504 (gimple_add_tmp_var): Use it, forcing variable size to a
1505 constant upper bound if it is not constant on entry.
1507 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1510 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1511 for initialization and setting of one_only flag to ...
1512 (i386_pe_encode_section_info): ...here.
1513 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1514 Recheck that the symbol has not been defined.
1516 2006-06-23 Richard Guenther <rguenther@suse.de>
1518 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1519 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1520 alignment requests instead. Add verification code.
1521 Add struct tree_function_decl and struct tree_binfo size to
1522 extra_order_size_table. Add missing element to size_lookup
1525 2006-06-22 Roger Sayle <roger@eyesopen.com>
1526 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1529 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1530 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1532 2006-06-23 Ben Elliston <bje@au.ibm.com>
1534 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1535 negate dn -- manipulate it directly.
1537 2006-06-22 Roger Sayle <roger@eyesopen.com>
1538 Steven Bosscher <stevenb.gcc@gmail.com>
1541 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1542 generated by gen_move_insn to add REG_LABEL notes if necessary.
1544 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1546 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1547 (leaf_entry): Remove use of MIN_ESA.
1549 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1551 PR rtl-optimization/28121
1552 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1555 2006-06-21 DJ Delorie <dj@redhat.com>
1557 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1559 (mulhisi3_r): Likewise.
1561 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1564 * coverage.c (coverage_counter_alloc): Leave the index type
1566 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1569 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1571 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1572 section from the "Options for Code Generation Conventions".
1574 2006-06-21 Richard Henderson <rth@redhat.com>
1578 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1580 (global_symbolic_operand): Allow weak symbols, even if local_p.
1582 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1584 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1585 (find_interesting_uses_address): Punt if above function returns true.
1587 2006-06-21 Richard Guenther <rguenther@suse.de>
1589 * configure: Regenerated.
1591 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1593 * config/mips/mips.c (function_arg): Where one part of a
1594 complex argument is in registers and the other part in the stack,
1595 return a REG not a PARALLEL.
1597 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1599 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1600 when cross-compiling. Do not substitute libstdcxx_incdir.
1601 * configure: Regenerated.
1603 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1605 * varasm.c (mergeable_string_section): Check for embedded NULs and
1606 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1607 rather than TREE_STRING_LENGTH bytes.
1609 2006-06-21 Richard Guenther <rguenther@suse.de>
1611 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1612 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1615 2006-06-21 Richrad Guenther <rguenther@suse.de>
1617 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1618 Limit iteration over the dominators.
1620 2006-06-20 Roger Sayle <roger@eyesopen.com>
1622 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1623 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1625 2006-06-20 Richard Guenther <rguenther@suse.de>
1626 Michael Matz <matz@suse.de>
1628 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1630 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1631 * et-forest.h (et_free_pools): Prototype new function.
1632 * et-forest.c (et_free_tree_force): Free parent occurrence.
1633 (et_free_pools): New function.
1634 * dominance.c (free_dominance_info): Free et-forest alloc
1637 2006-06-20 Roger Sayle <roger@eyesopen.com>
1639 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1640 integer modes, attempt to directly construct an integer constant.
1642 * fold-const.c (native_encode_vector): Determine the size of each
1643 element from the vector type instead of the first vector element.
1645 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1646 if all of its elements/components are constant.
1647 (build_constructor_from_list): Likewise.
1649 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1651 PR tree-optimization/27331
1652 * tree-data-ref.c (free_data_ref): New function.
1653 (create_data_ref): Fail if the data reference has unknown access
1655 (free_data_refs): Use free_data_ref.
1657 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1660 * tree-inline.c (setup_one_parameter): Strip useless
1661 type conversion before adding it to the IR.
1662 (declare_return_variable): Likewise.
1664 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1667 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1669 2006-06-19 Mike Stump <mrs@apple.com>
1671 * tree.c (variably_modified_type_p): VM arguments don't make the
1674 2006-06-19 Richard Guenther <rguenther@suse.de>
1676 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1677 type conversions after folding.
1679 2006-06-19 Richard Guenther <rguenther@suse.de>
1681 * ggc-page.c (extra_order_size_tab): Add entries with
1682 size of struct function and basic_block.
1683 (size_lookup): Extend to cover sizes up to 511.
1684 (ggc_alloc_stat): Adjust user.
1685 (ggc_pch_count_object): Likewise.
1686 (ggc_pch_alloc_object): Likewise.
1687 (ggc_pch_write_object): Likewise.
1689 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1691 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1692 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1695 2006-06-19 Denis Chertykov <denisc@overta.ru>
1697 * config/avr/libgcc.S : Correct my wrong previous commit.
1699 2006-06-19 Roger Sayle <roger@eyesopen.com>
1702 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1703 have stripped a SUBREG from the shift count, so we may need to
1704 convert_to_mode back to the type's mode before calling make_tree.
1705 Use new_amount instead of amount to avoid expanding a tree twice.
1707 2006-06-19 Richard Guenther <rguenther@suse.de>
1710 * fold-const.c (operand_equal_p): Check if the argument types
1711 have the same precision before stripping NOPs.
1713 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1715 Fix PR tree-optimization/27341
1716 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1718 * tree-complex.c (pass_lower_complex): Update SMT usage.
1720 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1722 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1723 Add a new alternative to the constraint strings. Add move of
1724 operand 1 to 3 to the splitter definition.
1725 ("doloop_si_long"): Second contraint alternative removed.
1727 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1729 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1730 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1732 (AVR_HAVE_MOVW) Define.
1733 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1734 (ASM_SPEC): Add avr25.
1735 (LINK_SPEC): Add avr25.
1736 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1737 (base_arch_s): Add new member 'have_movw_lpmx'.
1738 (avr_arch_types): Init 'have_movw_lpmx'.
1739 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1740 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1741 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1742 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1743 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1745 (avr_file_start): Do not output '.arh' derective.
1746 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1747 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1748 * config/avr/avr.md (mcu_enhanced): Delete.
1749 (mcu_have_movw): Define.
1750 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1751 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1752 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1753 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1754 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1755 attiny861 and at86rf401 devices.
1757 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1759 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1762 2006-06-17 Karl Berry <karl@gnu.org>
1764 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1765 doc/gccint.texi, doc/install.texi (@dircategory): Use
1766 "Software development" instead of "Programming", following
1767 the Free Software Directory.
1769 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1771 * config/i386/i386.c (legitimate_tls_address)
1772 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1773 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1774 (*tls_dynamic_gnu2_combine_64): Likewise.
1776 2006-06-16 Richard Guenther <rguenther@suse.de>
1779 * fold-const.c (negate_expr_p): Do not introduce undefined
1780 overflow in negating INTEGER_CSTs.
1781 (fold_negate_expr): Rename from negate_expr. Revert last
1782 change for folding BIT_NOT_EXPR. Change semantics to
1783 return NULL_TREE for non-simplified negations. Do not
1784 strip type conversions and unify type handling.
1785 (negate_expr): New function, wrap around fold_negate_expr
1786 but ensure building a tree always. Strip type conversions
1787 here, fold to result type.
1788 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1790 2006-06-16 Roger Sayle <roger@eyesopen.com>
1793 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1794 that (would) return their results in stack registers.
1796 2006-06-16 Michael Matz <matz@suse.de>
1797 Richard Guenther <rguenther@suse.de>
1799 * fold-const.c (fold_truthop): Only return new tree node if
1800 we canonicalized something.
1802 2006-06-16 Richard Guenther <rguenther@suse.de>
1804 * function.h (enum function_frequency): Move declaration
1805 out of struct function.
1806 (struct function): Move bool fields and the enum to the bitfield
1807 section. Reorder elements to avoid padding. Remove unused
1808 fields left over from the RTL inliner removal.
1809 * function.c (free_after_compilation): Do not zero removed fields.
1810 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1811 (ipa-type-escape.o): Likewise.
1813 2006-06-16 Richard Guenther <rguenther@suse.de>
1815 * cgraph.h (struct cgraph_local_info): Turn bool elements
1817 (struct cgraph_node): Likewise.
1818 (struct cgraph_varpool_node): Likewise.
1820 2006-06-15 Richard Guenther <rguenther@suse.de>
1822 * fold-const.c (fold_truth_not_expr): Rename from
1823 invert_truthvalue. Give it fold_* semantics to avoid
1825 (invert_truthvalue): New function. Wrapper around
1826 fold_truth_not_expr.
1827 (optimize_minmax_comparison): Avoid creating garbage.
1828 (fold_unary): Use fold_truth_not_expr for folding
1830 (fold_ternary): Replace uses of invert_truthvalue with
1831 fold_truth_not_expr where applicable.
1832 * tree.h (fold_truth_not_expr): Prototype.
1834 2006-06-16 Richard Guenther <rguenther@suse.de>
1836 PR tree-optimization/27781
1837 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1838 * ipa-pure-const.c (target.h): Include.
1839 (analyze_function): Do not analyze functions that do not
1842 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1845 * tree-dfa.c (referenced_vars_dup_list): Remove.
1846 (find_referenced_vars): Remove assert.
1847 (referenced_var_check_and_insert): Replace dup list with assert.
1848 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1849 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1851 2006-06-15 Richard Guenther <rguenther@suse.de>
1853 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1854 extra unused identifiers if not dumping.
1855 (create_variable_info_for): Likewise.
1857 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1859 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1860 (derive_constant_upper_bound): Derive more precise upper bound in
1861 common cases. Return type changed to double_int.
1862 (record_estimate): Reflect the changed return type of
1863 derive_constant_upper_bound.
1864 * double-int.c (double_int_zext, double_int_sext): Fix.
1866 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1868 * configure.ac (CFLAGS): Get them from the toplevel or from the
1869 configure invocation.
1870 * configure: Regenerate.
1871 * Makefile.in (CFLAGS): Substitute value provided by configure.
1873 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1876 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1877 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1878 rather than calling add_stmt on it.
1879 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1881 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1884 * reload1.c (reload): Remove registers returned by update_eliminables
1885 from used_spill_regs.
1887 2006-06-13 DJ Delorie <dj@redhat.com>
1889 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1891 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1893 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1894 html__strip_dir, html__mkdir_p. Enhance install-html target.
1895 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1896 * configure: Regenerate.
1898 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1900 * fold-const.c (fold_cond_expr_with_comparison): Check for
1901 Objective-C++ as language in deciding COND_EXPR transformation.
1903 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1906 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1907 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1908 * config/sh/lib1funcs.h (SL, SL1): Define.
1909 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1910 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1911 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1912 (OBJS_Os_4_200): New variable.
1913 ($(T)libgcc-Os-4-200.a): Use it.
1914 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1915 when dividing 1 and/or by 0.
1917 2006-06-13 Roger Sayle <roger@eyesopen.com>
1919 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1920 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1921 * configure: Regenerate.
1923 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1925 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1926 for real instruction.
1928 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1931 * haifa-sched.c (check_cfg): Handle special case.
1933 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1936 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1937 Add debug_info parameter. Chain the vars to the BLOCK instead
1938 of the BIND_EXPR if debug info are requested for them.
1939 (pop_gimplify_context): Adjust for above change.
1940 (gimple_add_tmp_var): Likewise.
1941 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1943 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1944 (convert_local_reference): Likewise.
1945 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1946 (finalize_nesting_tree_1): Request that debug info be emitted
1947 for debug_var_chain.
1949 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1951 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1952 for PR target/27863.
1954 2006-06-13 Richard Guenther <rguenther@suse.de>
1957 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1959 2006-06-13 Richard Guenther <rguenther@suse.de>
1961 PR tree-optimization/27830
1962 * tree-inline.c (copy_body_r): For copying the operand
1963 of an ADDR_EXPR make sure to fold &* afterwards.
1965 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1967 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1968 lvalues in the fb_none case with side-effects.
1970 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1972 * tree-flow.h: Remove the prototype for
1973 compute_phi_arg_on_exit.
1974 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1975 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1978 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1980 * builtins.c (expand_builtin_return_addr): Only use
1981 frame_pointer_rtx when count == 0 and we are expanding
1982 __builtin_return_address.
1984 2006-06-12 Fred Fish <fnf@specifix.com>
1986 * config/mips/mips.c (mips_file_start): Create special section
1987 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1989 2006-06-11 Eric Christopher <echristo@apple.com>
1992 * stor-layout.c (place_field): Remove check for
1993 remaining_in_alignment when aligning at the end of a run.
1995 2006-06-11 Eric Christopher <echristo@apple.com>
1998 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2001 2006-06-11 Roger Sayle <roger@eyesopen.com>
2004 Revert incorrect fix for PR target/27158
2005 2006-05-08 Roger Sayle <roger@eyesopen.com>
2006 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2007 of a reg_equiv_constant if the result is a legitimate constant.
2009 2006-06-11 Roger Sayle <roger@eyesopen.com>
2012 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2013 extract a CONST_VECTOR element and interpret it as an integer.
2014 (vspltis_constant): Use const_vector_elt_as_int instead of the
2015 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2016 * config/rs6000/predicates.md (easy_vector_const): Consider
2017 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2019 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2022 * stor-layout.c (update_alignment_for_field): Don't add extra
2023 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2026 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2028 * config/mips/t-rtems: Add EL/EB multilib variants.
2030 2006-06-09 Mike Stump <mrs@apple.com>
2032 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2034 2006-06-09 David Daney <ddaney@avtrex.com>
2036 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2038 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2040 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2042 2006-06-09 Richard Guenther <rguenther@suse.de>
2044 PR tree-optimization/26998
2045 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2046 of signed types, only TYPE_MIN_VALUE is special, but for both,
2047 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2048 in this case, as is -fwrapv.
2050 2006-06-08 Mike Stump <mrs@apple.com>
2053 * config/darwin.c (darwin_asm_output_anchor): Disable
2054 -fsection-anchors on darwin for now.
2055 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2056 * rs6000/rs6000.c (optimization_options): Likewise.
2058 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2061 * config/i386/i386.c (classify_argument): Skip fields with invalid
2064 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2066 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2067 (cse_insn): Likewise for the stack_pointer_rtx.
2069 2006-06-08 Roger Sayle <roger@eyesopen.com>
2071 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2072 conditions from floating point comparisons.
2074 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2077 * expmed.c (struct alg_hash_entry): Fix type of field T
2078 to match synth_mult argument.
2079 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2081 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2084 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2087 2006-06-08 Richard Guenther <rguenther@suse.de>
2090 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2091 only, if overflow is defined and not trapping.
2092 (negate_expr): Likewise.
2094 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2096 PR tree-optimization/27872
2097 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2098 flag on the new exit edge of the unrolled loop.
2100 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2102 PR rtl-optimization/26449
2103 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2105 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2108 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2109 referenced_variables with matching DECL_UID's.
2110 (find_referenced_vars): Make sure duplicate list is empty to start.
2111 (referenced_var_p): Remove.
2112 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2113 Check if var is in the list, and add if needed. Update the duplicate
2114 list if a different var is in the list with the same DECL_UID.
2115 (add_referenced_var): Call routine to check and insert.
2116 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2117 * tree-flow.h (referenced_vars_dup_list): External declaration.
2119 2006-06-07 Fred Fish <fnf@specifix.com>
2121 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2124 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2127 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2128 the imaginary and real parts of a clobbered register.
2129 Emit insn to set the imaginary part.
2131 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2133 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2134 in lieu of unwind-dw2-fde.c.
2136 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2138 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2140 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2143 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2144 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2145 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2146 V4SImode temporaries and operations instead.
2148 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2150 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2153 2006-06-06 Mike Stump <mrs@apple.com>
2155 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2156 installing during build.
2158 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2160 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2162 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2163 * config/ia64/ia64.c (params.h): New header.
2164 (ia64_optimization_options): New function to adjust parameters.
2165 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2166 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2167 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2169 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2171 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2173 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2176 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2178 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2179 Victor Kaplansky <victork@il.ibm.com>
2181 PR tree-optimization/26360
2182 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2185 2006-06-04 Roger Sayle <roger@eyesopen.com>
2186 Andrew Pinski <pinskia@physics.uc.edu>
2189 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2190 for LABEL_DECL before calling DECL_WEAK.
2193 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2194 LABEL_DECL and PARM_DECL.
2196 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2200 * c-decl.c (grokdeclarator): Disallow variably modified types at
2201 file scope. Avoid marking shared array type of constant size as
2204 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2207 * c-common.c (fold_offsetof_1): Handle static members.
2209 2006-06-04 Eric Christopher <echristo@apple.com>
2211 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2212 (debug_rli): Output value for remaining_in_alignment.
2213 (update_alignment_for_field): Unconditionalize
2214 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2215 extra alignment code.
2216 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2217 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2218 * tree.h (record_layout_info_s): Remove prev_packed.
2219 * doc/extend.texi (ms_struct): Add documentation of format.
2221 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2223 * tree.h: Declare folding_initializer.
2224 * builtins.c (fold_builtin_constant_p): Give definite answer
2225 if folding inside an initializer.
2226 * fold-const.c: Define folding_initializer.
2227 (START_FOLD_INIT): Save and then set folding_initializer.
2228 (END_FOLD_INIT): Restore folding_initializer.
2230 2006-06-04 Richard Guenther <rguenther@suse.de>
2232 PR tree-optimization/27039
2233 * fold-const.c (fold_comparison): Handle pointer comparison
2234 again for all comparison codes. Compare offsets in signed
2236 (fold_binary): Move code from here.
2238 2006-06-03 Roger Sayle <roger@eyesopen.com>
2241 * config/i386/i386.c (construct_container): Split static issued_error
2242 flag into issued_sse_arg_error, issued_sse_ret_error and
2243 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2244 requires the use of x87 registers and the user explicitly
2245 specified the -mno-80387 command line option.
2247 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2249 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2250 HAVE_DECL_SIGALTSTACK.
2252 (segv_handler): Use MC_FLD.
2253 * configure.ac: Check for a sigaltstack declaration.
2254 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2255 * configure: Regenerate.
2256 * config.in: Regenerate.
2258 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2261 * Makefile.in (stmp-fixinc): Fix typo.
2263 2006-06-02 Roger Sayle <roger@eyesopen.com>
2265 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2266 are type correct. Clean-up.
2267 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2268 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2270 2006-06-01 DJ Delorie <dj@redhat.com>
2272 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2273 shift, as we've disabled the "switch" insn that needs it.
2275 2006-06-01 Per Bothner <bothner@bothner.com>
2277 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2278 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2279 * c-ppoutput.c (cb_define): Don't increment line 0.
2281 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2283 * doc/invoke.texi: Add cpu_type power6.
2284 * config.gcc: Add cpu_type power6.
2285 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2286 to power5+ with Altivec.
2287 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2288 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2290 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2292 * config/avr/avr.h (SET_ASM_OP): Define.
2294 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2296 * config/bfin/bfin.c: Fix comment typos.
2298 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2301 * doc/install.texi: Document --enable-bootstrap and
2302 --disable-bootstrap.
2304 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2306 * doc/install.texi: Document that InfoZIP can replace jar.
2308 2006-05-31 Roger Sayle <roger@eyesopen.com>
2310 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2311 isn't available, directly generate the simpler x87 patterns without
2312 the (use (const_int 0)).
2313 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2314 implementation isn't available.
2315 (*negdf2_1): Likewise.
2316 (*negxf2_1): XF mode negation is always done using the x87.
2317 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2319 2006-05-31 Roger Sayle <roger@eyesopen.com>
2321 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2322 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2324 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2326 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2328 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2329 * config/bfin/bfin.c (basic-block.h): Include.
2330 (struct machine_function): New.
2331 (bfin_init_machine_status): New.
2332 (override_options): Initialize init_machine_status.
2333 (bfin_hardware_loop): New.
2334 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2335 (DEF_VEC_P (loop_info)): New.
2336 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2337 (struct loop_info): New.
2338 (loop_info): New typedef.
2339 (struct loop_work): New.
2340 (loop_work): New typedef.
2341 (DEF_VEC_O (loop_work)): New.
2342 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2343 (bfin_dump_loops): New.
2344 (bfin_bb_in_loop): New.
2345 (bfin_scan_loop): New.
2346 (bfin_optimize_loop): New.
2347 (bfin_reorg_loops): New.
2348 (bfin_reorg): Use bfin_reorg_loops.
2349 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2351 (I_REGNO_P): Simplify.
2352 (DP_REGNO_P, DPREG_P): New macros.
2353 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2354 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2355 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2356 Add LT_REGS, LC_REGS, LB_REGS.
2357 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2359 (REGNO_REG_CLASS): Deal with loop registers.
2360 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2362 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2363 New constants for loop registers.
2364 (UNSPEC_LSETUP_END): New.
2365 (seq_insns): New define_attr. Set it for appropriate insns.
2366 (movsi_insn): Add alternatives for move from/to
2367 loop count registers.
2368 (doloop_end): New define_expand.
2369 (loop_end): New define_insn.
2370 (define_split for bad doloop_end): New.
2371 (lsetup_with_autoinit): New define_insn.
2372 (lsetup_without_autoinit): New define_insn.
2373 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2374 * config/bfin/predicates.md (lc_register_operand): New.
2375 (lt_register_operand): New.
2376 (lb_register_operand): New.
2377 (nondp_register_operand): New.
2378 (nondp_reg_or_memory_operand): New.
2379 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2381 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2383 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2384 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2386 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2388 * Makefile.in (CATALOGS): Add po/ prefix.
2389 * configure: Regenerated.
2391 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2394 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2395 a shift operand before calling shift_op. Avoid redundant call of
2398 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2399 DJ Delorie <dj@redhat.com>
2401 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2402 we're inserting is a singlt-bit constant.
2404 2006-05-30 Roger Sayle <roger@eyesopen.com>
2406 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2407 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2409 2006-05-30 Roger Sayle <roger@eyesopen.com>
2411 PR tree-optimization/23452
2412 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2413 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2414 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2415 complex values and with -ffast-math for FP complex values.
2417 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2419 * c-common.h: Remove the prototype for yyparse.
2420 * rtl.h: Remove the prototype for init_loop.
2422 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2424 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2427 2006-05-30 Roger Sayle <roger@eyesopen.com>
2429 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2431 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2432 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2434 2006-05-30 Dirk Mueller <dmueller@suse.de>
2437 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2438 for CONSTANT_CLASS_P expresisons.
2440 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2443 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2445 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2447 PR tree-optimization/27779
2448 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2449 initial_condition instead of CHREC_LEFT.
2451 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2453 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2454 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2455 Make prototypes ISO C90.
2457 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2458 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2460 * see.c (see_analyze_one_def): Correct check.
2461 (see_get_extension_data): Check if extension is parallel.
2462 (see_get_extension_reg): Likewise.
2464 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2467 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2468 into register for (code == GTU).
2470 2006-05-29 Roger Sayle <roger@eyesopen.com>
2472 PR tree-optimization/24964
2473 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2474 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2475 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2476 abs(x)*abs(x) as x*x for scalar floating point modes.
2478 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2481 * lambda-code.c (perfect_nestify): Don't copy statements
2482 in the inner loop: move them to the inner loop header.
2484 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2487 * c-tree.texi: Document OpenMP directives and clauses.
2489 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2491 * varasm.c (globalize_decl): Fix indentation.
2493 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2496 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2497 pass_fre, pass_store_ccp, pass_copy_prop,
2498 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2499 pass_return_slot, pass_object_size, pass_lim,
2500 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2501 pass_loop_prefetch and pass_stdarg.
2503 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2505 * config/bfin/bfin.opt (mfdpic): New option.
2506 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2507 (EXTRA_MULTILIB_PARTS): Likewise.
2508 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2509 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2511 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2512 (CRT_CALL_STATIC_FUNCTION): New.
2513 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2515 (CRT_CALL_STATIC_FUNCTION): New.
2516 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2518 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2519 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2520 (initialize_trampoline): Changed to handle FD-PIC code generation.
2521 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2522 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2523 (override_options): Disallow -mid-shared-library -mfdpic combination.
2524 Can't do unaligned ops if FD-PIC.
2525 Turn off flag_pic if trying to generate non-id-shared-library
2526 non-fdpic code, since it's not supported.
2527 (bfin_assemble_integer): New function.
2528 (TARGET_ASM_INTEGER): Define.
2529 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2531 * config/bfin/crtn.s: Restore them.
2532 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2534 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2535 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2536 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2537 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2538 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2540 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2541 FDPIC_REGS and FDPIC_FPTR_REGS.
2542 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2543 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2544 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2545 (load_funcdescsi): New pattern.
2546 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2547 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2548 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2550 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2552 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2555 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2557 * tree-flow.h: Remove the prototype for add_type_alias.
2558 * tree-ssa-alias.c (add_type_alias): Remove.
2560 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2562 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2563 config/fr30/fr30.md, config/i386/i386-interix.h,
2564 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2565 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2566 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2567 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2568 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2569 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2570 Follow spelling conventions.
2571 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2572 Follow spelling conventions.
2574 2006-05-27 Richard Guenther <rguenther@suse.de>
2577 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2578 to produce a constant of value 1 of generic type.
2580 2006-05-27 Dirk Mueller <dmueller@suse.de>
2582 * cgraphunit.c (decide_is_function_needed): Fix wrong
2585 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2587 PR rtl-optimization/27661
2588 * reload.c (find_reloads): When reloading a VOIDmode constant
2589 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2590 use Pmode as mode of the reload register.
2592 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2594 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2595 is enabled at -O and above.
2597 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2600 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2603 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2606 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2607 for anonymous variables explicitly declared by front ends.
2609 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2611 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2612 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2613 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2614 ref-all pointers, run a finalization pass for them.
2615 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2616 (finalize_ref_all_pointers): New function.
2617 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2618 regular pointer type to a ref-all pointer type.
2619 (get_tmt_for): Return the special memory tag for ref-all pointers.
2621 2006-05-25 Richard Guenther <rguenther@suse.de>
2624 * fold-const.c (fold_binary): Do not look at the stripped
2625 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2627 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2629 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2630 for LT and GT if the computed range is effectively empty.
2632 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2635 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2636 mips_quad_format formats instead of ieee_single_format,
2637 ieee_double_format and ieee_quad_format formats, respectively.
2639 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2641 PR tree-optimization/27639
2642 PR tree-optimization/26719
2643 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2644 call to scev_probably_wraps_p.
2645 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2646 used_in_pointer_arithmetic_p, convert_step): Removed.
2647 (nowrap_type_p): New function.
2648 (scev_probably_wraps_p): Rewritten.
2649 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2650 chrec_convert if chrec_convert_aggressive might have been used.
2651 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2652 scev_direction): New functions.
2653 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2654 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2655 instead of convert_step.
2656 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2657 (convert_step): Declaration removed.
2658 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2660 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2662 * df-core.c: Added to header comments.
2663 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2664 df_ur_bb_info, df_urec_bb_info): Added comments.
2665 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2666 urec, ri problems): Fixed header comments.
2667 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2668 code from df_rd_transfer_function.
2670 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2672 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2673 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2674 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2676 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2678 * expr.c (undefined_operand_subword_p): New.
2679 (emit_move_multi_word): Do not generate move from undefined bits
2680 of a paradoxical subreg.
2682 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2684 PR rtl-optimization/27736
2685 * combine.c (replaced_rhs_value): New variable.
2686 (combine_instructions): Set it.
2687 (distribute_notes): When distributing a note in replaced_rhs_insn,
2688 check whether the value was used in replaced_rhs_value.
2690 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2693 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2694 add_referenced_var instead of add_referenced_tmp_var.
2695 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2696 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2698 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2699 tree_optimize_tail_calls_1): Use add_referenced_var.
2700 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2701 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2702 Use add_referenced_var.
2703 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2704 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2705 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2706 Use add_referenced_var.
2707 * tree-dfa.c (struct walk_state): Remove.
2708 (find_referenced_vars): Remove walk state and vars_found hash table.
2709 (make_rename_temp): Use add_referenced_var.
2710 (find_vars_r): Pass less parameters to add_referenced_var.
2711 (referenced_var_p): New. Is var in referenced_var hash table.
2712 (referenced_var_insert): Assert var isn't already in hash table.
2713 (add_referenced_var): Don't need walk_state parameter. Add var if it
2714 isn't already in the hash table.
2715 (add_referenced_tmp_var): Remove.
2716 (find_new_referenced_vars_1): Use add_referenced_var.
2717 * tree-ssa-pre.c (create_expression_by_pieces,
2718 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2719 Use add_referenced_var.
2720 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2721 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2722 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2724 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2725 vect_create_data_ref_ptr, vect_create_destination_var,
2726 vect_init_vector, vect_build_loop_niters,
2727 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2728 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2729 Use add_referenced_var.
2730 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2731 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2732 (add_referenced_var): Add prototype.
2733 * tree-ssa-structalias.c (get_constraint_for,
2734 intra_create_variable_infos): Use add_referenced_var.
2736 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2738 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2739 big-endian paradoxical subregs.
2740 * var-tracking.c (struct micro_operation_def): Document that,
2741 for modify micro operations, insn is the subsequent instruction.
2742 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2743 (var_reg_set, var_mem_set): ... new functions.
2744 (add_stores): Record subsequent insn.
2745 (compute_bb_dataflow): Use new functions for MO_USE.
2746 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2747 notes after the insn, and modify notes before the insn known
2748 to be the subsequent one.
2749 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2751 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2754 * config/i386/i386.c (ix86_expand_builtin): Use
2755 gen_sse3_monitor64 for TARGET_64BIT.
2757 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2759 PR rtl-optimization/26375
2760 PR rtl-optimization/26855
2761 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2763 (df_ru_bb_local_compute): Reversed statements and removed bogus
2764 comment explaining why they should be in wrong order.
2765 (df_ru_dump, df_rd_dump): Enhanced debug info.
2766 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2768 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2769 reaching uses and fixed space problem.
2771 2006-05-23 Jan Hubicka <jh@suse.cz>
2773 * cgraphunit.c (decide_is_function_needed): Also nested functions
2774 and functions declared inline can be optimized out at -O0.
2776 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2778 * doc/install.texi (Configuration): Remove reference to CrossGCC
2782 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2785 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2786 ix86_compare_emitted is non-NULL.
2788 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2791 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2794 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2796 PR rtl-optimization/25514
2797 * combine.c (replaced_rhs_insn): New variable.
2798 (combine_instructions): Set replaced_rhs_insn when trying to replace
2799 a SET_SRC with a REG_EQUAL note.
2800 (distribute_notes): Use replaced_rhs_insn when determining the live
2801 range of a REG_DEAD register.
2803 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2804 Anatoly Sokolov <aesok@post.ru>
2806 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2807 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2808 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2809 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2810 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2811 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2812 at90usb647, at90usb1286 and at90usb1287 devices.
2813 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2814 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2816 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2818 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2820 2006-05-22 Richard Guenther <rguenther@suse.de>
2823 2006-01-31 Richard Guenther <rguenther@suse.de>
2824 Paolo Bonzini <bonzini@gnu.org>
2826 * doc/install.texi (--disable-libgcc-math): Document.
2828 2006-05-22 Richard Guenther <rguenther@suse.de>
2831 2006-01-31 Richard Guenther <rguenther@suse.de>
2833 * doc/invoke.texi (-msselibm): Document.
2834 * target.h (expand_library_builtin): New target hook.
2835 * builtins.c (expand_builtin): Use expand_library_builtin.
2836 (default_expand_library_builtin): New function.
2837 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2838 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2839 (link_gcc_math_spec): Declare.
2840 (static_specs): Add link_gcc_math_spec.
2841 * expr.h (default_expand_library_builtin): Declare.
2842 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2843 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2844 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2845 * config/i386/i386.opt (msselibm): New target option.
2846 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2847 (ix86_init_sse_abi_builtins): New function.
2848 (ix86_expand_library_builtin): Likewise.
2849 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2850 (override_options): Handle error conditions wrt -msselibm.
2851 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2852 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2853 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2856 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2859 * c-common.c (self_promoting_args_p): Skip erroneous args.
2862 * c-decl.c (finish_struct): Skip erroneous fields.
2864 2006-05-22 Nick Clifton <nickc@redhat.com>
2866 * config/cris/cris.opt (march): Remove VarExists attribute.
2867 (max-stackframe=): Likewise.
2869 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2871 * doc/rtl.texi: Fix a typo.
2872 * see.c: Fix comment typos.
2874 * tree-ssa-structalias.h (alias_info): Remove num_references.
2876 2006-05-21 Mike Stump <mrs@apple.com>
2878 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2880 (darwin_pragma_options): Use BAD instead.
2881 (darwin_pragma_unused): Likewise.
2882 (darwin_pragma_ms_struct): Likewise.
2884 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2886 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2888 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2890 PR rtl-optimization/27671
2891 * simplify-rtx.c (simplify_relational_operation_1): Fix
2892 simplifications of (eq/ne (xor x y) y) and
2893 (eq/ne (xor x y) x).
2895 PR tree-optimization/26622.
2896 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2899 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2901 * tree-cfg.c: Prune whitespace.
2902 (debug_tree_cfg): Point to correct header containing the
2905 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2908 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2910 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2913 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2914 or sorry count is non zero.
2916 2006-05-20 Andreas Schwab <schwab@suse.de>
2918 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2920 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2921 Kenneth Zadeck <zadeck@naturalbridge.com>
2923 PR rtl-optimization/26855
2925 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2927 (df_scan_alloc): Added code to properly handle multiword hard
2928 registers and add all_blocks parameter.
2929 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2930 code to properly handle multiword hard registers.
2931 (df_rescan_blocks): Added code to remove deleted blocks from
2933 (df_ref_create_structure, df_ref_record): Added code to properly
2935 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2936 and set DF_REF_PARTIAL.
2937 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2938 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2939 (df_scan_add_problem): Added flags parameter.
2940 (df_ref_create_structure): Changed switching structure.
2941 (df_bb_refs_record): Fixed case where duplicate artificial refs
2942 were created. Changed location of flags.
2943 (df_record_entry_block_defs): Added code to make stack pointer
2944 live in entry block. Refined cases where frame pointer is needed.
2945 Changed location of flags.
2946 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2947 (df_set_state): Removed function.
2948 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2949 df_insn_create_insn_record, df_insn_refs_delete,
2950 df_ref_create_structure): Formatting changes.
2951 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2952 df_delete_basic_block): New function.
2953 (df_init): Changed location of flags.
2954 (df_add_problem): Added flags parameter and the way flags are
2956 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2957 debug_df_chain): Improved debugging output.
2958 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2959 (df_refs_chain_dump): Removed df parameter.
2960 (df_iterative_dataflow): Added consistency check.
2961 (df_prune_to_subcfg): Made public.
2962 (df_analyze_problem): Added blocks_to_init parameter and made
2964 (df_ref_record, df_bb_refs_record, df_mark_reg,
2965 df_record_exit_block_uses): Whitespace changes.
2966 (df_dump): Whitespace changes.
2967 * df.h: Some reordering to remove forward references.
2968 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2969 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2970 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2971 (dataflow.flags): New field.
2972 (df.flag): Deleted field.
2973 (df_alloc_function): Added additional bitmap parameter.
2974 (df_dependent_problem_function): New type.
2975 (df_problem.changeable_flags): New field.
2976 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2977 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2978 (df_mw_hardreg): New struct.
2979 (DF_INSN_UID_MWS): New macro.
2980 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2982 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2983 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2984 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2985 (df_set_state): Removed function.
2986 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2987 * df-problems.c (df_chain_dump): Removed df parameter.
2988 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2989 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2991 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2992 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2993 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2994 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2995 DF_REF_MUST_CLOBBER cases.
2996 (df_ru_bb_local_compute_process_def,
2997 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2998 df_lr_bb_local_compute, df_ur_bb_local_compute,
2999 df_chain_create_bb): Made subreg aware.
3000 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3001 df_lr_bb_local_compute, df_lr_bb_local_compute,
3002 df_chain_create_bb): Cleanup to use proper macros.
3003 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3004 code to fixup bitvectors.
3005 (df_ri_alloc): Cleared lifetime.
3006 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3007 df_create_unused_note): New function.
3008 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3009 REG_DEAD and REG_UNUSED notes as well as register information.
3010 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3011 df_chains_dump): Fixed crash if problem was never run.
3012 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3013 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3014 df_ri_add_problem): Processes flags in uniform manner.
3015 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3016 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3017 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3018 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3019 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3020 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3021 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3022 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3023 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3024 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3025 * see.c (see_initialize_data): Ditto.
3026 * final.c (rest_of_clean_state) Added regstack_completed.
3027 * rtl.h (regstack_completed): Ditto.
3028 * reg-stack.c (regstack_completed): Ditto.
3030 2006-05-19 Mike Stump <mrs@apple.com>
3032 * c-tree.h (default_conversion): Remove.
3033 * c-common.h (default_conversion): Add.
3035 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3037 * tree-vrp.c (valid_value_p): New function.
3038 (adjust_range_with_scev): Fail if the value of bound is not
3041 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3043 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3044 (mips_fallback_frame_state): Use syscall numbers to determine
3045 the appropriate li instruction for the current ABI. Only use
3046 __NR_sigreturn for o32.
3048 2006-05-19 Nicolas Setton <setton@adacore.com>
3050 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3051 * langhooks.c (lhd_dwarf_name): New function.
3052 * langhooks-def.h (lhd_dwarf_name): Declare.
3053 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3054 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3055 * ada/misc.c (gnat_dwarf_name): New function.
3056 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3058 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3060 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3062 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3063 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3064 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3065 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3066 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3067 determine the size of Wtype, etc.
3068 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3069 (swfloatfuncs): New variable.
3070 (dwfloatfuncs): Likewise.
3071 (lib2funcs): Remove floating-point conversion functions from
3072 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3073 the set of conversion routines needed. Allow entries to specify
3074 an object name, filename and word size. Update users accordingly.
3075 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3076 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3080 2006-02-08 Roger Sayle <roger@eyesopen.com>
3083 * config/fixtfdi.c: New libgcc source file.
3084 * config/fixunstfdi.c: New source file.
3085 * config/floatditf.c: New source file.
3086 * config/floatunditf.c: New souce file.
3087 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3088 files above instead of config/mips/_tilib.c.
3089 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3091 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3093 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3094 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3096 2006-05-18 Mike Stump <mrs@apple.com>
3098 Fix up vla, vm and [*] sematics.
3104 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3105 (c_vla_unspec_p): Add.
3106 (c_vla_type_p): Add.
3107 * c-decl.c (struct c_scope): Add had_vla_unspec.
3108 (build_array_declarator): Add support for [*].
3109 (grokdeclarator): Likewise.
3110 (grokparms): Likewise.
3111 (get_parm_info): Likewise.
3112 * c-objc-common.c (c_vla_unspec_p): Likewise.
3113 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3114 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3115 typeof when argument is a variably modified type not inside sizeof or alignof.
3116 (c_parser_direct_declarator_inner): Propagate errors.
3117 (c_parser_sizeof_expression): Add support for [*].
3118 (c_parser_parms_declarator): Initialize had_vla_unspec.
3119 (c_parser_parms_list_declarator): Likewise.
3120 * c-typeck.c (c_vla_type_p): Add.
3121 (composite_type): Add support for vla compositing.
3122 (comptypes_internal): Add support for vla compatibility.
3123 (c_expr_sizeof_expr): Evaluate vla arguments.
3124 * tree.c (variably_modified_type_p): Update comment for [*].
3126 2006-05-18 Michael Matz <matz@suse.de>
3129 * config.host: Make assignments to host_xmake_file cumulative.
3130 * config.host (*-darwin*): Test $host, not $target.
3132 2006-05-12 Stuart Hastings <stuart@apple.com>
3134 * config/i386/i386.opt (-mstackrealign): New flag.
3135 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3136 (ix86_handle_cconv_attribute): Emit error when
3137 force_align_arg_pointer attribute collides with too many regparms.
3138 (ix86_function_regparm): Limit regparms when used with
3139 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3140 Support stack-realigning prologue in non-main functions. Emit
3141 warning for nested functions under -mstackrealign, emit error for
3142 nested functions with force_align_arg_pointer attribute.
3143 * doc/extend.texi (force_align_arg_pointer): Document it.
3144 * doc/invoke.texi (-mstackrealign): Document it.
3146 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3148 PR rtl-optimization/27477
3149 * combine.c (try_combine): Don't split a parallel consisting
3150 of two sets into two individual sets if both sets reference
3153 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3155 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3156 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3158 * doc/options.texi (VarExists): Updated.
3160 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3162 * unwind-dw2.c: Add declarations for uw_update_context and
3164 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3165 detected, advance frame state and context once to skip over stub.
3167 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3171 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3172 Call rewrite_into_loop_closed_ssa only when something changed.
3173 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3174 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3175 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3176 Test for perfect_nest_p here. Fix formating.
3177 (replace_uses_equiv_to_x_with_y): Fix formating.
3178 (stmt_uses_op): Removed.
3179 (can_convert_to_perfect_nest): Removed loopivs parameter.
3180 Complete the test by checking the scalar dependences.
3181 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3184 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3187 From Dan Kegel <dank@kegel.com>:
3188 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3190 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3192 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3193 if the element type is variably modified without recursing.
3195 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3198 * tree-loop-linear.c (try_interchange_loops): Test for
3199 no data dependences.
3201 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3203 PR tree-optimization/27548
3204 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3205 range of ssa names that appear on abnormal edges.
3206 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3207 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3209 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3212 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3214 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3217 * tree.h (OMP_PARALLEL_COMBINED): Define.
3218 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3219 (new_omp_context): Add is_combined_parallel argument.
3220 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3221 new_omp_context caller.
3222 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3223 Adjust gimplify_scan_omp_clauses callers.
3224 (omp_is_private): Issue errors if iteration variable is firstprivate
3225 or reduction in the current context.
3226 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3227 on combined parallel workshare constructs.
3229 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3231 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3232 (gcc-options.o): New rule.
3234 * optc-gen.awk: Protect variables for gcc-options.o with
3235 #ifdef GCC_DRIVER/#endif.
3237 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3239 Fix PR tree-optimization/27373
3240 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3241 (forward_propagate_addr_expr): Update call.
3243 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3245 * doc/options.texi: Move the Negative option.
3247 2006-05-16 Richard Guenther <rguenther@suse.de>
3249 PR tree-optimization/22303
3250 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3252 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3253 ccp_fold did not simplify the statement.
3255 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3258 * Makefile.in (GCC_OBJS): New.
3259 (OBJS-common): Add opts-common.o.
3260 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3261 (cpp$(exeext)): Likewise.
3262 (gcc.o): Also depend on opts.h.
3263 (opts-common.o): New.
3265 * common.opt (gcoff): Add Negative(gdwarf-2).
3266 (gdwarf-2): Add Negative(gstabs).
3267 (gstabs): Add Negative(gstabs+).
3268 (gstabs+): Add Negative(gvms).
3269 (gvms): Add Negative(gxcoff).
3270 (gxcoff): Add Negative(gxcoff+).
3271 (gxcoff+): Add Negative(gcoff).
3272 * config/i386/i386.opt (m32): Add Negative(m64).
3273 (m64): Add Negative(m32).
3275 * doc/options.texi: Document the Negative option.
3277 * gcc.c: Include "opts.h".
3278 (main): Call prune_options after expandargv.
3280 * optc-gen.awk: Generate common declarations for all flag
3281 variables in options.c. Output the neg_index field.
3283 * opts.c (find_opt): Moved to ...
3284 * opts-common.c: Here. New file.
3286 * opts.h (cl_option): Add a neg_index field.
3288 (prune_options): Likewise.
3290 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3293 * omp-low.c (expand_omp_parallel): Don't assert
3294 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3295 instead search for it.
3298 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3301 2006-05-16 Andreas Schwab <schwab@suse.de>
3303 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3306 2006-05-15 Roger Sayle <roger@eyesopen.com>
3309 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3310 integer constants other than zero are only legitimate on TARGET_64BIT.
3311 <CONST_VECTOR> Only zero vectors are legitimate.
3312 (ix86_cannot_force_const_mem): Integral and vector constants can
3313 always be put in the constant pool.
3315 2006-05-16 DJ Delorie <dj@redhat.com>
3317 * crtstuff.c (__dso_handle): Set section from
3318 TARGET_LBIGCC_SDATA_SECTION if defined.
3319 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3320 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3322 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3325 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3328 2006-05-16 Ben Elliston <bje@au.ibm.com>
3330 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3332 2006-05-15 Per Bothner <per@bothner.com>
3334 * tree.c: (last_annotated_node): Use source_locus typedef.
3335 This permits bootstrapping with --enable-mapped-location.
3337 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3339 PR tree-optimization/26830
3340 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3341 (info_for_ssa_name, current_info_for_ssa_name_age,
3342 blocks_to_update): New variables.
3343 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3344 (clear_ssa_name_info, initialize_flags_in_bb,
3345 mark_block_for_update): New functions.
3346 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3347 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3348 prepare_def_site_for): Use mark_block_for_update.
3349 (mark_def_interesting): Assert that the processed block is marked in
3350 blocks_to_update. Do not take blocks argument.
3351 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3353 (rewrite_update_init_block, rewrite_update_stmt): Only process
3354 blocks with statements to rewrite.
3355 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3356 (update_ssa): Initialize and free blocks_to_update. Do not
3357 clear flags on statements. Do not use blocks bitmap.
3358 * tree.h (SSA_NAME_AUX): Removed.
3359 (struct tree_ssa_name): Removed aux field.
3360 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3362 2006-05-15 Richard Guenther <rguenther@suse.de>
3364 PR tree-optimization/27603
3365 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3366 Do computations in original type.
3368 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3370 * see.c: Code style changes such as redundant paranthesis,
3371 redundant intialization of local variables etc.
3372 (see_main): Declared now as static.
3373 * doc/invoke.texi: Update that -fsee is not enabled by
3376 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3378 * omp-low.c (check_omp_nesting_restrictions): New function.
3379 (scan_omp_1): Call it.
3382 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3383 construct, return *VAR.
3385 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3387 PR rtl-optimization/27406
3388 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3391 2006-05-14 Roger Sayle <roger@eyesopen.com>
3393 PR rtl-optimization/27538
3394 * combine.c (expand_compound_operation): Call gen_lowpart
3395 before calling simplify_shift_const.
3397 2006-05-14 Roger Sayle <roger@eyesopen.com>
3399 PR rtl-optimization/22563
3400 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3401 a fixed width bitfield, always force the intermediates into psuedos.
3403 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3406 * mkconfig.sh: Use operator = instead of == for test.
3408 2006-05-13 Nick Clifton <nickc@redhat.com>
3410 * dwarf2out.c (dbx_reg_number): Check return value from
3411 LEAF_REG_REMAP and only use it if it is valid.
3412 (multiple_reg_loc_descriptor): Likewise.
3414 2006-05-13 Richard Guenther <rguenther@suse.de>
3416 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3419 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3421 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3422 information attached to non-INSNs such as NOTEs.
3423 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3425 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3427 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3429 * config/s390/s390.md: Adjust comment describing On constraint.
3431 2006-05-11 Jan Hubicka <jh@suse.cz>
3433 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3434 to be output at -O0.
3436 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3439 * fold-const.c (size_binop): Move sanity check for arguments to
3440 the beginning of the function.
3443 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3446 2006-05-11 Richard Guenther <rguenther@suse.de>
3449 * fold-const.c (fold_unary): Handle intermediate conversion
3450 to a pointer type like intermediate conversion to an integer
3451 type in folding of (T1)(T2)var to var.
3452 Match the code to the comment in the final conversion for
3453 (T1)(T2)var to (T1)var regarding to type precision. Rather
3454 than disallow T1 being of pointer type, assert that both T1
3455 and var are of pointer type or not. Make sure not to fall
3456 over the frontends lazyness wrt array to pointer decay though.
3458 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3460 * arm.c (arm_struct_value_rtx): Delete.
3461 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3462 (arm_init_cumulative_args): Always initialize nregs to zero.
3464 2006-05-10 Richard Guenther <rguenther@suse.de>
3466 PR tree-optimization/27532
3467 * tree-object-size.c (plus_expr_object_size): Fix typo.
3469 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3472 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3473 ashrdi_const, ashrdi3): Use a scratch register.
3475 2006-05-10 Richard Guenther <rguenther@suse.de>
3477 PR tree-optimization/27302
3478 * fold-const.c (operand_equal_p): For two comparisons,
3479 try comparison of one comparison code swapped if that yields
3482 2006-05-10 Ben Elliston <bje@au.ibm.com>
3484 * tree-pretty-print.c (pretty_print_string): No need to handle
3485 '\0' as a special character.
3487 * tree.h: Include "hashtab.h".
3488 (iterative_hash_expr): Use hashval_t in its prototype.
3489 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3491 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3494 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3495 (hppa*64*-*-hpux11*): Ditto.
3496 (hppa[12]*-*-hpux11*): Ditto.
3498 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3501 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3503 2006-05-09 Michael Matz <matz@suse.de>
3505 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3506 host_extra_gcc_objs and host_xmake_file.
3507 (<*-*-linux*>): Don't overwrite host_xmake_file.
3508 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3509 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3510 (host_detect_local_cpu): Declare.
3511 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3512 * config/i386/i386.c (override_options): Handle -mtune=native
3514 * config/i386/x-i386: New file.
3515 * config/i386/driver-i386.c: New file.
3516 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3519 2006-05-09 Dirk Mueller <dmueller@suse.de>
3520 Richard Guenther <rguenther@suse.de>
3523 * fold-const.c (fold_read_from_constant_string): Relax check
3524 for matching types to matching modes.
3526 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3528 PR rtl-optimization/27335
3529 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3532 2006-05-08 Chao-ying Fu <fu@mips.com>
3533 Richard Sandiford <richard@codesourcery.com>
3535 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3536 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3537 * config/mips/mips.md (UNSPEC_SCC): New constant.
3538 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3539 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3540 (mips_emit_compare): Use it.
3541 (mips_expand_vcondv2sf): New function.
3543 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3545 Fix PR tree-optimization/27093
3546 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3547 renaming when they become not-used_alone.
3549 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3551 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3552 relocation and relocation stubs.
3554 2006-05-08 Eric Christopher <echristo@apple.com>
3556 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3559 2006-05-08 Jan Hubicka <jh@suse.cz>
3562 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3563 unused static functions are needed.
3565 2006-05-08 Roger Sayle <roger@eyesopen.com>
3568 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3569 of a reg_equiv_constant if the result is a legitimate constant.
3571 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3574 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3575 standard 80387 constants, raise the cost to prevent
3576 compress_float_constant() to generate load from memory.
3578 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3580 * config/arm/constraints.md (c): Fix a typo.
3582 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3585 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3588 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3590 (_mm_mwait): Likewise.
3592 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3594 (sse3_monitor): Make it 32bit only.
3595 (sse3_monitor64): New. 64bit monitor.
3597 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3600 * config/i386/i386.c (classify_argument): Skip fields with invalid
3603 2006-05-07 Richard Guenther <rguenther@suse.de>
3605 PR tree-optimization/27409
3606 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3607 Do not try to find zero-sized subvars.
3609 2006-05-07 Richard Guenther <rguenther@suse.de>
3611 PR tree-optimization/27136
3612 * tree-ssa-loop-niter.c (get_val_for): Correct function
3613 comment, assert requirements.
3614 (loop_niter_by_eval): Stop processing if the iterated
3615 value did not simplify.
3617 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3619 * opts.c (flag_see): remove its setting at -O3.
3621 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3623 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3624 * arm/constraints.md: New file.
3625 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3626 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3627 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3628 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3629 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3630 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3631 * arm.md: Include constraints.md.
3632 (thumb_movsi_insn): Use satisfies_constraint_J.
3633 (movhi, movqi): Use satisfies_constraint_I.
3635 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3637 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3638 for atmeg a645 device.
3640 2006-05-06 Richard Guenther <rguenther@suse.de>
3642 PR tree-optimization/27151
3643 * tree-vect-transform.c (vectorizable_condition): Punt on
3644 values that have a different type than the condition.
3646 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3649 * c-parser.c (c_parser_cast_expression): Only insert casts into
3650 hash table if pointer.
3651 * function.c (used_types_insert_helper): Rename from
3653 (used_types_insert): Call used_types_insert_helper.
3654 * function.h (used_types_insert): Accept only one argument.
3656 2006-05-05 David Edelsohn <edesohn@gnu.org>
3658 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3659 scratch with output modifier.
3661 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3664 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3665 with output modifier.
3667 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3670 * config/mips/mips.c (mips_symbolic_address_p): Return true
3671 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3672 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3674 2006-05-04 Richard Guenther <rguenther@suse.de>
3676 PR tree-optimization/14287
3677 PR tree-optimization/14844
3678 PR tree-optimization/19792
3679 PR tree-optimization/21608
3680 PR tree-optimization/27090
3681 * tree-ssa-pre.c (try_combine_conversion): New function.
3682 (compute_avail): After constructing the value-handle
3683 expression, use try_combine_conversion to combine NOP_EXPRs
3684 with previous value-handle expressions and use the result if it
3687 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3689 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3691 2006-05-04 Jan Hubicka <jh@suse.cz>
3694 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3696 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3698 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3699 that this only matches CONST_INTs. All users changed to VOIDmode
3702 * config/bfin/bfin.c: Include "optabs.h".
3703 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3705 (enum bfin_builtins): Add a number of fractional and vector builtins.
3706 (bfin_init_builtins): Likewise.
3707 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3708 (safe_vector_operand, bfin_expand_binop_builtin,
3709 bfin_expand_unop_builtin): New functions.
3710 (bfin_expand_builtin): Handle the new builtins.
3711 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3714 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3717 * Makefile.in (OBJS-common): Add see.o.
3718 (see.o): Add dependencies.
3719 * common.opt (fsee): New flag for the see optimization was added.
3720 * opts.c (flag_see): Initialized.
3721 * passes.c (init_optimization_passes, pass_see): New pass.
3722 * rtl.h (see_main): Declaration as extern.
3723 * timevar.def (TV_SEE): New.
3724 * tree-pass.h (pass_see): Declaration as extern.
3725 * invoke.texi (-fsee): Document.
3726 * recog.c (validate_simplify_insn): New function.
3727 * recog.h (validate_simplify_insn): Declaration as extern.
3728 * df-problems.c (df_chain_dump): Check for NULL.
3730 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3731 Daniel Berlin <dberlin@dberlin.org>
3733 * cfgrtl.c (insert_insn_bb_end_new): New function.
3734 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3736 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3738 * df.h (struct web_entry): Moved from web.c.
3739 (union_defs): Declaration as extern.
3740 (unionfind_root): Likewise.
3741 (unionfind_union): Likewise.
3742 * web.c (struct web_entry): Moved to df.h.
3743 (unionfind_root): Remove static declaration.
3744 (unionfind_union): Likewise.
3745 (union_defs): Likewise and generalize to use callback function.
3746 (web_main): Update arguments for union_defs function call.
3748 2006-05-04 Richard Guenther <rguenther@suse.de>
3750 PR tree-optimization/26447
3751 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3752 produce SSA_NAME copies before the store stmt to avoid
3753 breaking exception handling.
3755 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3758 * gimplify.c (omp_is_private): If var is shared in some outer context,
3759 return false instead of true. Stop searching on parallel context
3762 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3765 * coverage.c: Use get_gcov_unsigned_t() instead of
3766 unsigned_type_node all over.
3768 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3770 PR tree-optimization/27381
3771 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3772 maintain the same immediate_use links.
3773 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3774 node rather than segfaulting.
3776 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3779 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3780 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3781 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3783 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3785 Fix PR tree-optimization/26626
3786 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3788 * tree-ssa-operands.c (access_can_touch_variable): Allow
3789 typecasting through union pointers.
3791 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3794 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3795 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3796 to find if var will be a global variable even in the nested context.
3797 (omp_copy_decl): Only check for global variable at the end, it might
3798 be overridden in outer contexts.
3799 (scan_sharing_clauses): For global variables don't create a field.
3800 (lower_rec_input_clauses): Do nothing for global shared variables.
3801 Emit a barrier at the end of ILIST if there were any decls in both
3802 firstprivate and lastprivate clauses.
3803 (lower_send_clauses): Do nothing for global variables except for
3806 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3808 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3809 of the correct signedness is returned.
3811 2006-05-02 Jeff Law <law@redhat.com>
3813 PR tree-optimization/27364
3814 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3815 multiply expressions.
3817 2006-05-02 Tom Tromey <tromey@redhat.com>
3819 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3821 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3824 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3825 -mthumb -fPIC are used.
3827 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3828 Joshua Kinard <kumba@gentoo.org>
3831 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3832 with 64-bit pointers.
3834 2006-05-02 Paul Brook <paul@codesourcery.com>
3836 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3838 (create_fix_barrier): Check that a suitable barrier location is
3840 (arm_reorg): Include ftmp->address in allowable range of addresses.
3842 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3845 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3848 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3851 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3852 around RESULT_DECL for result passed by reference.
3853 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3854 * omp-low.c (use_pointer_for_field): Don't look at
3855 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3856 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3857 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3858 time or var for passing by reference for
3859 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3860 TREE_ADDRESSABLE variables when passing by reference.
3862 * omp-low.c (dump_omp_region): Fix output formatting.
3865 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3866 (expand_omp_parallel): Likewise.
3867 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3870 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3871 on statement list containing also constructors and destructors.
3872 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3875 * except.c (duplicate_eh_regions): Fix clearing of
3876 cfun->eh->region_array entries.
3878 2006-05-01 DJ Delorie <dj@redhat.com>
3880 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3882 (gcc_cv_objdump): Likewise.
3883 * configure: Regenerated.
3885 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3888 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3889 templates for case 3 and 4.
3891 2006-05-01 DJ Delorie <dj@redhat.com>
3893 * vec.c: Include bconfig.h when appropriate.
3894 * Makefile.in (build/vec.o): Adjust dependencies.
3895 * mkconfig.sh: Make sure config.h isn't used for build machine
3898 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3900 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3902 (mark_phi_for_rewrite): New function.
3903 (insert_phi_nodes_for, mark_use_interesting): Call
3904 mark_phi_for_rewrite.
3905 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3906 (update_ssa): Initialize and free phis_to_rewrite.
3908 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3910 PR rtl-optimization/27291
3911 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3912 folded to a constant.
3914 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3916 PR tree-optimization/27283
3917 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3918 not whole # of iteration descriptions.
3919 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3920 uses abnormal ssa name.
3921 (niter_for_single_dom_exit): Ditto.
3922 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3923 return just the number of iterations.
3925 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3927 PR tree-optimization/27144
3928 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3929 (record_estimate): Only record constant upper bound.
3930 (infer_loop_bounds_from_undefined): Call
3931 compute_estimated_nb_iterations just once.
3932 (proved_non_wrapping_p): Renamed to ...
3933 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3934 (convert_step_widening, scev_probably_wraps_p): Call
3935 n_of_executions_at_most instead of proved_non_wrapping_p.
3936 (substitute_in_loop_info): Do not replace values in bounds.
3937 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3940 2006-05-01 Richard Henderson <rth@redhat.com>
3943 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3944 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3947 2006-05-01 Roger Sayle <roger@eyesopen.com>
3949 * c-typeck.c (parser_build_binary_op): Don't call the function
3950 unsigned_conversion_warning to spot operand/result type overflow.
3951 (build_binary_op): Instead, call convert_and_check instead of
3952 convert to report the problem when the operands are promoted.
3953 * c-common.c (unsigned_conversion_warning): Make static.
3954 * c-common.h (unsigned_conversion_warning): Delete prototype.
3956 2006-05-01 Richard Guenther <rguenther@suse.de>
3958 PR tree-optimization/26726
3959 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3961 (find_interesting_uses_address): ... we work around here
3962 by folding INDIRECT_REFs in the substituted base.
3964 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3966 * omp-low.c (dump_omp_region): Add newlines.
3968 2006-04-30 Roger Sayle <roger@eyesopen.com>
3970 * common.opt (Woverflow): New command line option.
3971 * c-common.c (constant_expression_warning): Check warn_overflow.
3972 (overflow_waring): Pass OPT_Woverflow to warning.
3973 (unsigned_conversion_warning): Likewise.
3974 (convert_and_check): Likewise.
3975 * doc/invoke.texi: Document new command line option.
3977 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3979 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3980 TARGET_NO_FP_IN_TOC for section anchors.
3981 (optimization_options): Enable section anchors for all
3982 non-"Objective" languages.
3984 2006-04-28 Eric Christopher <echristo@apple.com>
3986 * config/darwin-c.c (darwin_ms_struct): Move this
3987 (darwin_set_default_type_attributes): and this...
3988 * config/darwin.c: ... here.
3989 * config/darwin.h (darwin_ms_struct): Declare.
3991 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3993 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3995 2006-04-28 Roger Sayle <roger@eyesopen.com>
3998 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3999 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4000 an unsigned HOST_WIDE_INT.
4001 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4003 (really_start_incremental_init): No need to call convert because
4004 bitsize_zero_node is already of type bitsizetype.
4005 (push_init_level): Extract the value of constructor_index as an
4006 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4007 (process_init_element): Likewise.
4009 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4011 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4012 value before passing to make_relative_prefix.
4014 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4017 * builtins.c (expand_builtin_memset): Expand val in original mode.
4019 2006-04-27 Eric Christopher <echristo@apple.com>
4021 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4022 with #ifndef/#endif.
4023 * config/darwin-c.c (darwin_ms_struct): New.
4024 (darwin_pragma_ms_struct): Ditto.
4025 (darwin_set_default_type_attributes): Ditto.
4026 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4027 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4028 Register ms_struct pragma.
4029 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4030 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4031 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4032 darwin_set_default_type_attributes if TARGET_MACHO.
4034 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4036 PR tree-optimization/26854
4037 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4038 * doc/tree-ssa.texi: Update immuse iterator documentation.
4039 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4040 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4041 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4042 first_safe_imm_use, next_safe_imm_use): Remove.
4043 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4044 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4045 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4046 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4047 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4048 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4049 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4050 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4051 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4052 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4053 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4054 (perfect_nestify): Use new iterator.
4055 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4057 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4058 (next_imm_name): New field in struct immediate_use_iterator_d.
4059 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4060 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4061 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4062 * tree-cfg.c (replace_uses_by): Use new iterator.
4063 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4064 * tree-ssa-operands.c (correct_use_link): Remove.
4065 (finalize_ssa_use_ops): No longer call correct_use_link.
4067 2006-04-27 Stuart Hastings <stuart@apple.com>
4069 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4070 * config/t-darwin (crt3.o): Use it.
4071 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4072 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4073 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4074 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4075 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4078 2006-04-27 Roger Sayle <roger@eyesopen.com>
4080 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4081 size, force the intermediate into a new pseudo rather instead of
4082 performing both a bitwise AND and a bitwise IOR in memory.
4084 2006-04-27 Richard Guenther <rguenther@suse.de>
4086 PR rtl-optimization/26685
4087 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4088 this one "max-flow-memory-locations".
4090 2006-04-27 Richard Guenther <rguenther@suse.de>
4092 PR tree-optimization/25148
4093 * tree-vrp.c (compare_values): Remove code dealing with
4094 comparisons against type min/max value. Honour overflow
4095 and negative constants in code dealing with comparisons
4096 of plus and minus expressions.
4097 (value_inside_range): Use fold_binary with LE_EXPR and
4098 GE_EXPR rather than compare_values.
4100 2006-04-27 Dirk Mueller <dmueller@suse.de>
4102 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4105 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4107 * basic-block.h (safe_insert_insn_on_edge): Removed.
4108 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4110 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4111 Paolo Bonzini <bonzini@gnu.org>
4114 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4115 (simplify_and_const_int): Same.
4117 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4119 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4121 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4124 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4125 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4126 cgraph_global_info_ready.
4129 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4132 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4133 either decl or init is error_mark_node.
4136 * tree-flow.h (struct omp_region): Add sched_kind.
4137 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4138 instead of extracting omp for data.
4139 (expand_omp_for): Save extracted sched_kind.
4141 2006-04-25 Roger Sayle <roger@eyesopen.com>
4143 * expmed.c (store_bit_field): Also check whether the bitsize is
4144 valid for the machine's "insv" instruction before moving the
4145 target into a pseudo for use with the insv.
4146 * config/i386/predicates.md (const8_operand): New predicate.
4147 * config/i386/i386.md (extv, extzv, insv): Use the new
4148 const8_operand predicate where appropriate.
4150 2006-04-25 DJ Delorie <dj@redhat.com>
4152 * doc/install.texi (Specific): Clarify that this is not a list of
4153 supported hosts or targets.
4155 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4157 PR rtl-optimization/26725
4158 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4159 block's BB_DIRTY flag.
4161 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4163 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4166 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4167 to print an integer.
4169 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4171 * varasm.c (align_variable): New function.
4172 (get_block_for_decl): Apply align_variable to DECL before
4173 calculating section information.
4174 (assemble_variable): Split out alignment computation.
4176 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4178 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4181 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4183 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4184 MODE_PARTIAL_INT mode.
4185 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4186 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4188 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4189 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4191 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4193 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4195 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4196 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4197 MACFLAG_IH): Likewise.
4198 (movstricthi_1): Renamed from "*movstricthi".
4199 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4200 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4201 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4202 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4203 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4204 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4205 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4206 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4207 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4208 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4209 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4210 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4211 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4212 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4213 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4215 * doc/rtl.texi (ss_ashift): Improve wording.
4217 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4219 * dwarf2out.c (verify_marks_clear): New.
4220 (prune_unused_types): Call verify_marks_clear initially, not
4223 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4225 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4226 * doc/rtl.texi: Document them.
4227 * simplify-rtx.c (simplify_unary_operation,
4228 simplify_binary_operation_1): Don't abort when we see them.
4230 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4233 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4234 * configure.ac: Completely disregard languages that are not
4236 * configure: Regenerated.
4238 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4239 Richard Guenther <rguenther@suse.de>
4241 PR tree-optimization/27236
4242 * tree-inline.c (copy_body_r): Make sure to copy
4243 TREE_THIS_VOLATILE flag.
4245 2006-04-24 Richard Guenther <rguenther@suse.de>
4248 * tree-complex.c (update_parameter_components): Don't handle
4249 unused parameters which have no default def.
4251 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4252 Richard Guenther <rguenther@suse.de>
4254 PR tree-optimization/27218
4255 * tree-inline.c (expand_call_inline): Strip useless type
4256 conversions for the return slot address.
4258 2006-04-24 Richard Guenther <rguenther@suse.de>
4260 * cfgloop.h (struct loops): Remove unused field array. Reorder
4262 (LOOP_PREFETCH): Remove.
4264 2006-04-24 Richard Guenther <rguenther@suse.de>
4266 PR tree-optimization/22525
4267 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4268 variable, adjust types of generated expressions.
4270 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4272 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4273 (tree-vect-patterns.o): Likewise.
4275 (cselib.o): Likewise.
4276 (loop-doloop.o): Likewise.
4277 (regclass.o): Likewise.
4278 (reload1.o): Likewise.
4279 (explow.o): Replace target.h with $(TARGET_H).
4280 (ipa-prop.o): Likewise.
4281 (ipa-cp.o): Likewise.
4282 (ipa-inline.o): Likewise.
4283 (reorg.o): Likewise.
4284 (reg-stack.o): Likewise.
4286 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4288 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4290 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4292 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4294 * configure.ac: Completely disregard languages that are not
4296 * configure: Regenerated.
4299 * c-common.h (c_build_bitfield_integer_type): Declare.
4300 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4301 * c-common.c (c_build_bitfield_integer_type): ... here.
4303 2006-04-23 Roger Sayle <roger@eyesopen.com>
4306 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4307 a SImode SUBREG of a floating point register after no_new_pseudos.
4309 2006-04-23 Roger Sayle <roger@eyesopen.com>
4311 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4312 identify potentially eliminable registers to additionally catch
4313 VIRTUAL_INCOMING_ARGS_REGNUM.
4314 (addsi3): Update the conditions on when to use addsi_small_int.
4316 2006-04-23 Roger Sayle <roger@eyesopen.com>
4319 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4320 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4321 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4323 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4325 * fold-const.c (range_predecessor): Use operand_equal_p
4326 as the predicate for equality.
4327 (range_successor): Likewise.
4329 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4332 * config/soft-fp/op-common.h: Fix a typo.
4334 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4337 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4338 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4340 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4342 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4344 * doc/tm.texi: Fix a typo.
4346 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4348 * dwarf2out.c (struct die_struct): Document that die_sib makes
4349 a circular linked list.
4350 (FOR_EACH_CHILD): New.
4351 (reverse_die_lists): Delete.
4352 (reverse_all_dies): Delete.
4353 (add_dwarf_attr): Correct documentation.
4354 (remove_child_with_prev): New.
4355 (remove_child_TAG): Update for change to die_struct, use
4356 remove_child_with_prev.
4357 (add_child_die): Update for change to die_struct.
4358 (splice_child_die): Use remove_child_with_prev and add_child_die.
4359 (print_die): Use FOR_EACH_CHILD.
4360 (die_checksum): Likewise.
4361 (assign_symbol_names): Likewise.
4362 (output_location_lists): Likewise.
4363 (build_abbrev_table): Likewise.
4364 (calc_die_sizes): Likewise.
4365 (mark_dies): Likewise.
4366 (unmark_dies): Likewise.
4367 (unmark_all_dies): Likewise.
4368 (output_die): Likewise.
4369 (prune_unused_types_mark): Likewise.
4370 (prune_unused_types_walk): Likewise.
4371 (same_die_p): Update for change to die_struct.
4372 (break_out_includes): Likewise.
4373 (prune_unused_types_prune): Likewise.
4374 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4375 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4377 (dwarf2out_finish): Don't call reverse_all_dies.
4379 2006-04-21 Eric Christopher <echristo@apple.com>
4381 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4382 in comments and function names.
4384 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4387 * c-typeck.c (digest_init): Robustify.
4389 * c-typeck.c (pop_init_level): Simplify.
4391 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4393 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4395 2006-04-21 Paul Brook <paul@codesourcery.com>
4397 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4398 hardware floating point.
4400 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4402 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4405 2006-04-21 Nick Clifton <nickc@redhat.com>
4407 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4410 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4413 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4414 C++ lang type in traceback table for Objective-C++.
4416 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4418 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4420 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4422 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4425 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4426 were errors. Remove check for erroneous objects.
4428 2006-04-20 Jeff Law <law@redhat.com>
4430 PR tree-optimization/26854
4431 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4432 checking for zero or one use.
4433 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4434 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4435 * tree-ssa-reassoc.c (negate_value): Similarly.
4436 (reassociate_bb): Similarly.
4438 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4440 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4441 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4442 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4444 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4446 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4447 fp regs if the last fp arg doesn't fit in regs.
4449 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4452 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4453 that the last insn has the REG_INC note.
4455 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4456 Nathan Sidwell <nathan@codesourcery.com>
4459 * stor-layout.c (update_alignment_for_field): Do not align
4461 (place_union_field): Place union field at the start of the union.
4462 (place_field): Move ERROR_MARK check later, and use the current
4463 allocation position to maintain monotonicity.
4465 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4467 * dominance.c: Include timevar.h.
4468 (calculate_dominance_info): Use TV_DOMINANCE.
4469 * timevar.def (TV_DOMINANCE): New timevar.
4470 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4472 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4474 PR rtl-optimization/14261
4475 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4476 move would be an INSV insn.
4477 (noce_process_if_block): Don't optimize if the destination is a
4478 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4480 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4482 * config/s390/s390.md: Add comments with the instructions emitted
4483 by an insn pattern if macros are used.
4485 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4487 PR rtl-optimization/26026
4488 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4489 is a known power of two shifted left a variable amount.
4491 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4493 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4494 to hash table twice when the debug_str section has SECTION_MERGE.
4496 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4498 * config/soft-fp: New directory. From glibc.
4499 * config/soft-fp/t-softfp: New.
4500 * config/soft-fp/README: New.
4501 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4502 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4503 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4504 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4505 * config.gcc: Use rs6000/t-fprules-fpbit or
4506 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4508 * config/rs6000/sfp-machine.h: New. Based on glibc.
4509 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4511 * config/rs6000/t-fprules: Remove fp-bit rules.
4512 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4513 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4514 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4515 (softfp_wrap_start, softfp_wrap_end): New.
4517 2006-04-18 DJ Delorie <dj@redhat.com>
4519 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4521 2006-04-18 Devang Patel <dpatel@apple.com>
4523 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4525 2006-04-18 Nick Clifton <nickc@redhat.com>
4527 * config/sh/t-symbian: Add rule to build sh-c.o
4528 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4529 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4530 (sh_symbian_encode_section_info): Likewise.
4532 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4534 * builtins.c (expand_builtin_strcmp): Cover label definition of
4535 do_libcall with HAVE_cmpstrnsi.
4537 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4539 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4541 * function.h (temp_slot_p): New.
4542 (function): Change the type of x_used_temp_slots to
4543 VEC(temp_slot_p,gc) *.
4545 2006-04-18 Nick Clifton <nickc@redhat.com>
4547 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4548 flag_strength_reduce.
4550 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4552 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4556 Partial revert of revision 112637
4557 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4558 Dale Johannesen <dalej@apple.com>
4561 * regclass.c (struct reg_pref): Update documentation.
4562 (regclass): Set prefclass to NO_REGS if memory is the best option.
4563 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4565 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4567 PR tree-optimization/26821
4568 * tree-ssa-math-opts.c (get_constant_one): New.
4569 (insert_reciprocals): Use it.
4571 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4573 * dwarf2out.c (free_AT): Delete.
4574 (remove_AT): Update string ref counts.
4575 (remove_child_TAG): Don't call free_die.
4577 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4578 or DW_TAG_GNU_EINCL.
4579 (prune_unused_types_walk_attribs): Reset string refcounts.
4580 (prune_unused_types_update_strings): New.
4581 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4582 call free_die. Do call prune_unused_types_update_strings.
4583 (prune_unused_types): Empty debug_str_hash.
4585 2006-04-17 Roger Sayle <roger@eyesopen.com>
4587 * expr.c (expand_assignment): Optimize away no-op moves where the
4588 source and destination are equal and have no side-effects.
4590 2006-04-17 Richard Guenther <rguenther@suse.de>
4593 * reload.c (push_reload): Guard calls to get_secondary_mem
4596 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4598 * alias.c (reg_base_value, old_reg_base_value): Change the
4599 type to VEC(rtx,gc) *.
4600 (REG_BASE_VALUE, find_base_value, record_set,
4601 init_alias_analysis): Use VEC instead of VARRAY.
4603 * alias.c (alias_sets): Change the type to
4604 VEC(alias_set_entry,gc) *.
4605 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4606 VEC instead of VARRAY.
4607 (last_alias_set): Remove.
4609 * cgraph.h (cgraph_edge_p): New.
4610 Update the prototype of cgraph_function_versioning.
4611 * cgraphunit.c (cgraph_copy_node_for_versioning,
4612 cgraph_function_versioning): Use VEC instead of VARRAY.
4613 * ipa-cp.c (ipcp_insert_stage): Likewise.
4615 2006-04-16 Roger Sayle <roger@eyesopen.com>
4618 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4619 "A op B" or "A op C", we may need to convert A to the type of B and C.
4621 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4623 * target.h (struct gcc_target): Add mode_rep_extended.
4624 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4625 (init_num_sign_bit_copies_in_rep): Initialize it using
4627 (truncate_to_mode): Use it.
4628 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4629 * targhooks.h (default_mode_rep_extended): Declare it.
4630 * targhooks.c (default_mode_rep_extended): Define it.
4631 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4632 default_mode_rep_extended.
4633 (TARGET_INITIALIZER): Include it.
4634 * doc/tm.texi (Misc): Document it.
4635 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4636 (mips_truncated_to_mode): New function.
4638 2006-04-16 Roger Sayle <roger@eyesopen.com>
4641 * expr.c (compress_float_constant): Copy the narrow constant into
4642 a new pseudo before extending it to its final width.
4644 2006-04-16 Roger Sayle <roger@eyesopen.com>
4645 Andrew Pinski <pinskia@gcc.gnu.org>
4646 Dale Johannesen <dalej@apple.com>
4649 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4650 special case code to implement V8HImode and V16QImode with SSE2.
4652 2006-04-15 Roger Sayle <roger@eyesopen.com>
4654 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4655 trees are constructed with a suitable tree type.
4657 2006-04-15 Roger Sayle <roger@eyesopen.com>
4659 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4660 (integer_onep): Likewise.
4661 (integer_all_onesp): Likewise.
4662 (integer_pow2p): Likewise.
4663 (integer_nonzerop): Likewise.
4664 (real_zerop): Likewise.
4665 (real_onep): Likewise.
4666 (real_twop): Likewise.
4667 (real_minus_onep): Likewise.
4668 (int_size_in_bytes): Likewise.
4669 (host_integerp): Likewise.
4671 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4673 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4674 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4675 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4677 * tree-ssa-structalias.h (alias_info): Remove num_references.
4679 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4681 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4682 (output_bvb patterns): Likewise.
4683 * pa.c (output_bb): Use 'bb' insn for long branch case.
4684 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4685 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4686 1. Correct length operand for alternatives 1 and 2.
4687 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4688 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4690 2006-04-14 Roger Sayle <roger@eyesopen.com>
4692 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4693 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4694 were accidentally reverted by r112959.
4696 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4699 * except.h (eh_region_outermost): New prototype.
4700 * except.c (eh_region_outermost): New function.
4701 * tree-cfg.c (find_outermost_region_in_block): Use it.
4703 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4705 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4707 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4708 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4709 (init_reload, reload): Use VEC instead of VARRAY.
4710 * reload.h: Update the prototype for
4711 reg_equiv_memory_loc_varray.
4713 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4714 Eric Botcazou <ebotcazou@libertysurf.fr>
4716 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4719 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4722 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4723 to expand fallback builtin function call.
4725 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4728 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4729 and emit libcall here in case the builtin fails.
4730 (expand_builtin_strcmp): Always emit the libcall here on failure.
4732 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4734 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4735 * flow.c (reg_n_info): Change the type to
4736 VEC(reg_info_p,heap) *.
4737 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4739 * regs.h (reg_info_p): New.
4740 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4741 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4742 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4745 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4747 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4749 * params.h (MAX_SCHED_READY_INSNS): New macro.
4750 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4751 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4752 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4753 the ready list for 1 cycle during the first scheduling pass.
4754 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4756 2006-04-13 Richard Henderson <rth@redhat.com>
4759 * gimple-low.c (lower_omp_directive): Remove dead code.
4760 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4761 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4762 * omp-low.c (struct omp_region): Move to tree-flow.h.
4763 (root_omp_region): Export.
4764 (omp_regions, lookup_omp_region): Remove.
4765 (determine_parallel_type): Update for struct omp_region changes.
4766 (dump_omp_region): Dump regions with block numbers.
4767 (new_omp_region): Take type and block instead of stmt; malloc
4769 (free_omp_region_1, free_omp_regions): New.
4770 (expand_parallel_call): Take entry_stmt as argument; update for
4771 changes to omp_region.
4772 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4773 (remove_exit_barriers): New.
4774 (expand_omp_parallel): Update for struct omp_region changes.
4775 (expand_omp_synch): Likewise.
4776 (expand_omp): Likewise.
4777 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4778 (expand_omp_for_static_chunk): Likewise.
4779 (expand_omp_for): Likewise.
4780 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4781 (expand_omp_sections): Similarly, with GOMP_sections_end.
4782 (expand_omp_single): New.
4783 (build_omp_regions_1): Update for OMP_CONTINUE.
4784 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4785 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4786 OMP_SECTIONS_SECTIONS.
4787 (lower_omp_single_simple): Don't emit barrier here.
4788 (lower_omp_single_copy): Likewise.
4789 (lower_omp_single): Fix bindings, and lower to straightline now.
4790 (lower_omp_master, lower_omp_ordered): Likewise.
4791 (lower_omp_critical): Likewise.
4792 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4793 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4794 omp edges, free it afterward.
4795 (make_omp_sections_edges): Remove.
4796 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4797 (move_stmt_r): Handle OMP_CONTINUE.
4798 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4799 statement pointers to basic blocks. Add type member.
4800 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4801 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4802 * tree-inline.c (estimate_num_insns_1): Likewise.
4803 * tree-pretty-print.c (dump_generic_node): Likewise.
4804 * tree-ssa-operands.c (get_expr_operands): Likewise.
4805 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4806 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4807 (OMP_CONTINUE): New.
4808 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4809 (OMP_SECTIONS_SECTIONS): Remove.
4810 (OMP_SECTION_LAST): New.
4811 (OMP_RETURN_NOWAIT): New.
4813 2006-04-13 Roger Sayle <roger@eyesopen.com>
4815 * fold-const.c (native_encode_vector, native_interpret_real):
4816 Correct obvious mistakes in the previous check-in.
4818 2006-04-13 Roger Sayle <roger@eyesopen.com>
4820 * fold-const.c (native_encode_expr): New function to encode
4821 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4822 or VECTOR_CST into a specified buffer.
4823 (native_encode_int): New function.
4824 (native_encode_real): New function.
4825 (native_encode_complex): New function.
4826 (native_encode_vector): New function.
4827 (native_interpret_expr): Inverse of native_encode_expr to convert
4828 a target representation into an INTEGER_CST, REAL_CST etc...
4829 (native_interpret_int): New function.
4830 (native_interpret_real): New function.
4831 (native_interpret_complex): New function.
4832 (native_interpret_vector): New function.
4833 (fold_view_convert_expr): New function to constant fold/evaluate
4834 a VIEW_CONVERT_EXPR of a suitable constant expression.
4835 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4836 Change call of build1 to fold_build1 when constructing a
4839 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4840 Ulrich Weigand <uweigand@de.ibm.com>
4843 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4846 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4849 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4850 optimize to lo_sum for DFmode if !TARGET_FPRS.
4852 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4854 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4855 delete_alias_info, compute_flow_sensitive_aliasing,
4856 group_aliases): Use VEC instead of VARRAY.
4857 * tree-ssa-structalias.c (update_alias_info): Likewise.
4858 * tree-ssa-structalias.h (alias_info): Change the type of
4859 processed_ptrs to VEC(tree,heap) *.
4861 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4864 * config/sh/lib1funcs.h: New file, broken out of:
4865 * config/sh/lib1funcs.asm.
4866 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4868 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4869 * config/sh/lib1funcs-Os-4-200.asm: New file.
4870 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4871 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4872 (EXTRA_MULTILIB_PARTS): Include it.
4873 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4874 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4875 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4876 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4879 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4881 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4882 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4883 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4885 * tree-ssa-live.h: Include vecprim.h.
4886 (tree_partition_associator_d): Change the type of
4887 first_partition to VEC(int,heap) *.
4888 (tpa_first_partition): Use VEC instead of VARRAY.
4890 * Makefile.in (GTFILES): Move functions.h after tree.h.
4891 * function.c (reset_block_changes, record_block_change,
4892 check_block_change, free_block_changes): Use VEC instead of
4894 * function.h (function): Change the type of
4895 ib_boundaries_block to VEC(tree,gc) *.
4896 * tree-inline.c (copy_cfg_body): Initialize
4897 ib_boundaries_block to NULL instead of (varray_type) 0.
4899 2006-04-12 Roger Sayle <roger@eyesopen.com>
4901 * expr.c (emit_group_store): Correct operand order in call to
4902 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4903 a SUBREG_BYTE of zero.
4905 2006-04-12 Richard Guenther <rguenther@suse.de>
4907 * profile.c (compute_branch_probabilities): Remove code
4908 encapsulated in !ir_type (), which are remanents of the
4909 removed RTL profiling code.
4910 * rtl-profile.c: Remove.
4912 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4914 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4915 magic NULL_RTX comment.
4916 (function_arg): Store entire fp arg to mem if any part should go
4918 (rs6000_arg_partial_bytes): Adjust for above change.
4920 2006-04-11 Roger Sayle <roger@eyesopen.com>
4922 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4923 if it hasn't been initialized by dwarf2out_init.
4925 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4927 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4928 symbolic constants in branch patterns.
4930 2006-04-11 Roger Sayle <roger@eyesopen.com>
4932 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4934 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4936 PR rtl-optimization/27073
4937 * gcse.c (try_replace_reg): Revert last change. Continue to search
4938 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4941 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4943 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4944 aggregate types other than record and union types.
4945 (function_arg): Likewise.
4946 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4948 (function_value): In 64-bit mode, return objects that require it
4951 2006-04-11 Roger Sayle <roger@eyesopen.com>
4953 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4955 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4957 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4959 2006-04-03 Jeff Law <law@redhat.com>
4962 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4963 alias information too.
4965 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4967 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4969 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4972 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4973 (premark_used_types_helper): New.
4974 (premark_used_types): New.
4975 (gen_subprogram_die): Call premark_used_types.
4976 (prune_unused_types_walk): Do not prune perennial dies.
4977 * function.c (used_types_insert): New.
4978 * function.h (struct function): Add used_types_hash field.
4979 (used_types_insert): Add prototype.
4980 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4981 * c-parser.c (c_parser_cast_expression): Save casted types in used
4984 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4987 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4988 rs6000_explicit_options.float_gprs.
4990 2006-04-10 Roger Sayle <roger@eyesopen.com>
4992 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4993 from ix86_expand_vector_init_low_nonzero. Take an additional
4994 one_var argument indicating which element is non-zero. Support
4995 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4996 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4997 with one_var instead of ix86_expand_vector_init_low_nonzero.
4999 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5001 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5002 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5003 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5004 build/genextract.o): Depend on vecprim.h.
5005 * cfglayout.c, df-problems.c, function.c, genextract.c,
5006 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5007 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5011 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5013 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5014 Declare VECs of this type.
5015 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5016 (remove_children): Delete.
5017 (add_dwarf_attr): Use VEC routines.
5018 (add_AT_flag): Update for changes to add_dwarf_attr.
5019 (add_AT_int): Likewise.
5020 (add_AT_unsigned): Likewise.
5021 (add_AT_long_long): Likewise.
5022 (add_AT_vec): Likewise.
5023 (add_AT_string): Likewise.
5024 (add_AT_die_ref): Likewise.
5025 (add_AT_fde_ref): Likewise.
5026 (add_AT_loc): Likewise.
5027 (add_AT_loc_list): Likewise.
5028 (add_AT_addr): Likewise.
5029 (add_AT_lbl_id): Likewise.
5030 (add_AT_lineptr): Likewise.
5031 (add_AT_macptr): Likewise.
5032 (add_AT_offset): Likewise.
5033 (add_AT_range_list): Likewise.
5034 (get_AT): Use VEC_iterate.
5035 (remove_AT): Use VEC_ordered_remove.
5036 (free_die): Fold remove_children into here; have it use VEC_iterate.
5037 (print_die): Use VEC_iterate on attrs.
5038 (reverse_die_lists): Don't reverse attr lists.
5039 (die_checksum): Use VEC_iterate on attrs.
5040 (same_die_p): Likewise.
5041 (output_location_lists): Likewise.
5042 (build_abbrev_table): Likewise.
5043 (size_of_die): Likewise.
5044 (unmark_all_dies): Likewise.
5045 (output_abbrev_section): Likewise.
5046 (output_die): Likewise.
5047 (prune_unused_types_walk_attribs): Likewise.
5049 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5051 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5053 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5056 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5058 2006-04-09 Roger Sayle <roger@eyesopen.com>
5060 * expr.c (store_constructor): Don't bother clearing target if
5061 we're about to assign a vector to it using vec_init_optab.
5063 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5065 * tree-ssa-alias.c (lhs_may_store_to): New function.
5066 (recalculate_used_alone): Handle LHS of calls.
5068 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5072 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5073 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5074 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5075 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5076 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5077 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5078 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5079 stubs. Add ".align 8" directives before all ".dword" directives.
5080 (GTHREAD_USE_WEAK): Revise comment.
5081 (TARGET_ATTRIBUTE_WEAK): Define.
5082 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5083 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5084 * stublib.c: New file.
5089 * pa.md (cbranch patterns): Revise arguments used in calls to
5090 output_cbranch, output_bb and output_bvd. Add long branch length
5092 (fbranch patterns): Handle long branches.
5093 (jump): Revise length check. Revise arguments for output_lbranch call.
5094 Add long branch length attributes.
5095 (decrement_and_branch_until_zero): Add long branch length attributes.
5096 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5097 Likewise. Revise arguments for output_parallel_addb and
5098 output_parallel_movb calls.
5099 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5100 output_parallel_movb and output_parallel_addb): Update prototypes.
5101 * pa.c (output_cbranch): Revise arguments. Correct handling of
5102 nullification in long branches.
5103 (output_lbranch): Add new argument to control extraction of delay
5105 (output_bb): Handle long branches.
5106 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5107 output_parallel_addb): Likewise.
5109 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5111 PR rtl-optimization/27073
5112 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5115 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5117 * tree.h (tree_memory_tag): Add old_used_alone.
5118 (SMT_OLD_USED_ALONE): New macro.
5119 * tree-ssa-alias.c (recalculate_used_alone): Stop
5120 marking things for renaming unnecessarily.
5122 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5124 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5125 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5126 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5127 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5128 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5129 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5130 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5131 spelling convensions.
5132 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5133 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5134 typos. Follow spelling conventions.
5136 2006-04-07 DJ Delorie <dj@redhat.com>
5138 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5139 passed on the stack.
5140 (m32c_init_cumulative_args): When a function returns a structure,
5141 always pass the pointer to that return area on the stack.
5142 (m32c_function_arg_advance): Don't increment the parameter number
5143 if we're processing the returned structure pointer.
5144 (pushm_info): Reverse order of registers.
5146 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5148 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5149 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5150 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5151 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5153 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5154 chrec_fold_multiply): Same.
5155 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5156 force_expr_to_var_cost): Same.
5157 * tree-mudflap.c (mf_xform_derefs_1): Same.
5158 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5160 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5162 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5163 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5166 2006-04-07 Jan Hubicka <jh@suse.cz>
5168 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5170 2006-04-07 Richard Guenther <rguenther@suse.de>
5172 PR tree-optimization/26135
5173 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5174 loads for store copy-prop.
5175 (copy_prop_visit_stmt): Likewise.
5177 2006-04-05 Robert Millan <robertmh@gnu.org>
5179 * config/i386/linux.h: Add a comment to mark macros that are
5180 being overriden in config/k*bsd-gnu.h.
5181 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5183 * config/knetbsd-gnu.h: Ditto.
5185 2006-04-06 Jan Hubicka <jh@suse.cz>
5189 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5192 2006-04-06 Mike Stump <mrs@apple.com>
5194 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5195 for HAVE_nonlocal_goto to be consistent.
5196 (expand_builtin_nonlocal_goto): Likewise.
5197 (expand_builtin_strcmp): Use #ifdef instead of #if
5198 for HAVE_cmpstrnsi to be consistent.
5200 2006-04-05 DJ Delorie <dj@redhat.com>
5202 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5205 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5207 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5208 got-relative addressing for anything but SImode.
5210 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5211 even if the calling function doesn't modify them.
5213 2006-04-05 Richard Guenther <rguenther@suse.de>
5215 PR tree-optimization/26919
5216 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5217 to cgraph_estimate_size_after_inlining.
5219 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5221 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5223 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5225 PR tree-optimization/26996
5226 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5227 VECTOR_TYPE variables.
5229 2006-04-05 Richard Guenther <rguenther@suse.de>
5231 PR tree-optimization/26763
5232 * fold-const.c (fold_comparison): Move folding of
5233 PTR + CST CMP PTR + CST ...
5234 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5236 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5238 * doc/install.texi (Prerequisites): Refine some wording on
5239 bootstrapping and ksh.
5240 Move the version numbers of DejaGnu here from the testing section
5241 and fix casing of names.
5242 Fix markup and clarify wording for autogen requirements.
5243 Refer to GCJ instead of just java.
5244 Refer to SVN instead of CVS.
5245 Describe diffutils as useful instead of necessary.
5246 (Downloading the source): Refer to SVN instead of CVS.
5247 Adjust a link to our web site accordingly.
5248 (Configuration): Fix casing of Bison.
5249 (Building): Refer to SVN instead of CVS.
5250 Fix a sentence on the use of Bison and remove duplicate (and
5251 incorrect) version number of Bison requirement.
5252 Remove one redundant list of packages needed for building.
5253 (Specific): Avoid reference to CVS.
5255 2006-04-04 Eric Christopher <echristo@apple.com>
5257 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5258 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5259 (rs6000_handle_struct_attribute): New.
5260 (rs6000_ms_bitfield_layout_p): Ditto.
5262 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5264 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5265 NULL for dso parameter to atexit_common.
5267 2006-04-04 Eric Christopher <echristo@apple.com>
5269 * config/i386/i386.c (machopic_output_stub): Output \t
5270 between instructions and operands.
5272 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5274 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5275 satisfies_constraint_[IL] to explicit tests on value.
5277 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5279 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5280 set_nb_iterations_in_loop): Use build_int_cst instead of
5282 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5283 build_int_cst instead of convert.
5285 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5287 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5288 new value 2 for incoming.
5289 * function.c (expand_function_start): Call struct_value_rtx
5291 * config/sparc/sparc.md: Comment updated_return.
5292 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5293 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5294 struct return if sparc_std_struct_return and incoming is 2.
5295 (print_operand): Do not adjust return if
5296 sparc_std_struct_return.
5298 2006-04-04 Roger Sayle <roger@eyesopen.com>
5300 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5301 convert in the middle-end.
5302 * expr.c (store_expr, store_constructor, get_inner_reference,
5303 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5305 * tree.c (build_range_type): Likewise.
5307 2006-04-04 Tom Tromey <tromey@redhat.com>
5309 * doc/install.texi (Prerequisites): Mention jar.
5311 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5313 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5316 2006-04-04 Matthias Klose <doko@debian.org>
5318 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5319 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5322 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5324 * doc/extend.texi (Function Attributes): Rewrite visibility
5325 attribute documentation.
5326 * doc/invoke.texi (C++ Dialect Options): Rewrite
5327 -fvisibility-inlines-hidden documentation to describe something
5328 entirely different, although in practise compatible.
5329 (Code Gen Options): Warn about system headers in -fvisibility=
5332 * doc/extend.texi (Other Builtins): Document that
5333 __builtin_nan is a compile-time constant only when its argument
5336 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5338 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5339 trying to remove TRUNCATE check if all bits outside the new mode
5340 are identical to the sign bit.
5342 2006-04-03 Jeff Law <law@redhat.com>
5344 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5345 and operand scanning in some common cases.
5347 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5348 Dale Johannesen <dalej@apple.com>
5351 * regclass.c (struct reg_pref): Update documentation.
5352 (regclass): Set prefclass to NO_REGS if memory is the best option.
5353 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5354 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5355 into account. For non-registers, equate an empty preferred
5356 reload class to a `!' in the constraint; move the if clause to
5357 do so after those that reject the insn.
5358 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5360 (find_dummy_reload): Likewise.
5361 * doc/tm.texi (Register Classes): Document what it means
5362 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5363 * config/i386/i386.c (ix86_preferred_reload_class): Force
5364 using SSE registers (and return NO_REGS for floating-point
5365 constants) if math is done with SSE.
5366 (ix86_preferred_output_reload_class): New.
5367 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5368 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5369 * config/i386/i386.md: Remove # register preferences.
5371 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5374 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5375 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5376 the type of nb_iter.
5377 (instantiate_parameters_1): Convert the operands before calling
5378 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5379 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5381 2006-04-02 Roger Sayle <roger@eyesopen.com>
5383 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5384 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5386 * dojump.c (do_jump): Likewise.
5387 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5388 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5389 gimplify_boolean_expr): Likewise.
5390 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5391 * varasm.c (array_size_for_constructor): Likewise.
5392 * tree-object-size.c (compute_object_offset): Likewise.
5394 2006-04-02 Roger Sayle <roger@eyesopen.com>
5397 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5398 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5400 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5402 PR tree-optimization/26939
5403 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5405 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5407 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5408 at_stmt. Convert the type of operands before calling
5409 build_polynomial_chrec.
5410 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5412 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5413 (instantiate_parameters_1): Convert the type of operands before calling
5414 build_polynomial_chrec.
5415 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5416 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5417 reset_evolution_in_loop): Insert asserts to check the types of the
5419 (chrec_type): Moved...
5420 (eq_evolutions_p): Use operand_equal_p.
5421 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5422 the types of the operands.
5423 (chrec_type): ...here.
5424 * tree-data-ref.c (create_data_ref): Convert the operands before
5425 calling chrec_replace_initial_condition.
5426 (same_access_functions, analyze_subscript_affine_affine,
5427 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5428 (compute_subscript_distance, analyze_ziv_subscript,
5429 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5430 analyze_miv_subscript): Convert the operands before calling
5431 chrec_fold_minus or chrec_fold_plus.
5433 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5435 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5436 the dependence_relations vector.
5437 (compute_data_dependences_for_loop): Adjust call to
5438 compute_all_dependences.
5440 2006-04-01 Roger Sayle <roger@eyesopen.com>
5441 Richard Henderson <rth@redhat.com>
5443 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5444 gimple_boolify on the condition before calling gimplify_expr.
5446 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5448 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5449 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5450 the frame size. Update to use the new macros.
5451 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5452 * config/xtensa/ieee754-df.S: Likewise.
5454 2006-03-31 Richard Henderson <rth@redhat.com>
5456 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5457 (make_edges): ... here. Control fallthru creation with a local
5458 variable. Do not play with fake edges.
5459 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5460 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5463 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5465 * dwarf2.h (DW64_CIE_ID): Define.
5466 * dwarf2out.c (DWARF_CIE_ID): Define.
5467 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5468 length header. Use DWARF_CIE_ID.
5469 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5470 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5472 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5474 * config/sh/linux-atomic.asm: New file.
5475 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5477 2006-03-31 DJ Delorie <dj@redhat.com>
5479 * config/m32c/cond.md: Set condition flags properly throughout.
5480 * config/m32c/minmax.md: Likewise.
5481 * config/m32c/prologue.md: Likewise.
5482 * config/m32c/bitops.md: Likewise.
5483 * config/m32c/muldiv.md: Likewise.
5484 * config/m32c/mov.md: Likewise.
5485 * config/m32c/addsub.md: Likewise.
5486 * config/m32c/m32c.md: Likewise.
5487 * config/m32c/jump.md: Likewise.
5488 * config/m32c/shift.md: Likewise.
5490 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5491 conditionally output the pattern for this.
5492 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5493 (m32c_compare_redundant): New.
5494 (m32c_output_compare): New.
5495 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5497 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5498 dest, not src. Allow other 4-byte modes.
5500 2006-03-30 Denis Chertykov <denisc@overta.ru>
5502 * doc/md.texi: Refer to avr/constraints.md instead of
5505 2006-03-30 Roger Sayle <roger@eyesopen.com>
5507 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5508 signed vs. unsigned comparison failures on some hosts.
5510 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5513 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5514 change to FLOAT_REGS.
5516 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5517 (rs6000_override_options): Use it.
5518 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5519 only for -mabi=spe/no-spe and -mabi=altivec.
5521 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5523 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5526 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5528 * Makefile.in: Rename docdir to gcc_docdir.
5530 2006-03-30 Roger Sayle <roger@eyesopen.com>
5533 * expr.c (emit_group_store): Optimize group stores into a pseudo
5534 register by using a paradoxical subreg to initialize the destination
5535 if the first or last member of the group specifies a "low part".
5537 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5540 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5541 * target.h (struct gcc_target.speculate_insn): Change type of the
5542 second parameter to 'int'.
5543 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5544 the second operand of the DEPS_LIST.
5545 (copy_DEPS_LIST_list): Update reference to the second operand of the
5547 * rtl.h (alloc_DEPS_LIST): Update signature.
5548 * sched-int.h (ds_t): Change typedef to 'int'.
5549 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5551 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5553 * haifa-sched.c (try_ready): Change condition to restore
5554 non-speculative pattern of the instruction.
5555 (process_insn_depend_be_in_spec): Code to keep probability of the
5556 speculative dependence non-decreasing.
5558 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5560 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5561 (single_move_for_movmem): ... this. Also change all uses.
5562 (bfin_expand_strmov): Renamed to...
5563 (bfin_expand_movmem): ... this. Also change all uses.
5564 * config/bfin/bfin.md (movstrsi): Renamed to...
5565 (movstrsi): ...this.
5567 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5569 PR tree-optimization/26830
5571 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5572 (copy_prop_visit_stmt): Remove write-only variable ann.
5573 (init_copy_prop): Check variable loop depth here. Do not simulate
5574 memory-tag and virtual operand PHIs except for store copy prop.
5576 2006-03-30 Richard Guenther <rguenther@suse.de>
5578 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5579 variants with double arguments.
5581 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5583 * genpreds.c (write_tm_constrs_h): Delete variable p.
5584 * genconditions.c (write_header): Add tm-constrs.h to included
5586 * genpeep.c (main): Add toplev.h to included headers.
5587 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5588 (build/genpeep.o): Add toplev.h dependency.
5589 * config/rs6000/constraints.md: Add "W" constraint.
5591 2006-03-29 Roger Sayle <roger@eyesopen.com>
5593 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5594 sizes by correctly testing whether the size fits a host integer.
5595 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5596 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5597 SImode range for the default sizetype and bitsizetype.
5599 2006-03-29 Roger Sayle <roger@eyesopen.com>
5601 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5602 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5603 quickly if the argument is already of the correct type.
5604 Call fold_build1 instead of build1. Tidy up blank lines.
5606 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5608 * genemit.c (main): Add tm-constrs.h to included headers.
5609 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5610 * genpeep.c (main): Add tm-constrs.h to included headers.
5611 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5612 (write_tm_constrs_h): this and write complete file.
5613 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5614 (write_insn_preds_c): Add tm-constrs.h to included headers.
5615 (gen_constrs): New variable.
5616 (parse_option): Parse "-c".
5617 (main): Invoke write_tm_constrs_h.
5618 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5619 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5620 (object_out_file): Add tm-constrs.h dependency.
5621 (insn-emit.o): Same.
5622 (insn-output.o): Same.
5623 (insn-peep.o): Same.
5624 (insn-preds.o): Same.
5625 (insn-recog.o): Same.
5626 (tm-constsr.h): New target.
5627 (s-constrs-h): New target.
5629 * config/rs6000/constraints.md: New file.
5630 * config/rs6000/rs6000.c: Include tm-constrs.h.
5631 (num_insn_constant_wide): Convert to satisfies_constraint.
5632 (rs6000_rtx_costs): Convert to satisfies_constraint.
5633 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5634 (CONST_OK_FOR_LETTER_P): Delete.
5635 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5636 (EXTRA_CONSTRAINT): Delete.
5637 (EXTRA_MEMORY_CONSTRAINT): Delete.
5638 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5639 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5640 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5641 satisfies_constraint.
5643 * config/i386/i386.c: Include tm-constrs.h.
5645 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5647 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5648 * tree-data-ref.c (find_data_references_in_loop,
5649 compute_data_dependences_for_loop): Use pointers to VEC.
5650 (analyze_all_data_dependences): Adjust calls.
5651 * tree-data-ref.h (find_data_references_in_loop,
5652 compute_data_dependences_for_loop): Adjust declarations.
5653 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5654 compute_data_dependences_for_loop.
5656 2006-03-29 Paul Brook <paul@codesourcery.com>
5658 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5661 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5663 PR tree-optimization/26859
5664 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5666 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5667 for the step after fold_convert.
5669 2006-03-29 Paul Brook <paul@codesourcery.com>
5671 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5672 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5674 2006-03-29 Paul Brook <paul@codesourcery.com>
5677 * targhooks.c (default_narrow_bitfield): New fuction.
5678 * targhooks.h (default_narrow_bitfield): add prototype.
5679 * target.h (gcc_target): Add narrow_volatile_bitfield.
5680 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5681 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5682 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5683 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5685 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5687 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5689 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5690 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5691 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5692 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5693 (s390_function_arg_float): Allow SDmode and DDmode values to be
5694 passed in floating point registers.
5695 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5696 check with SCALAR_FLOAT_MODE_P.
5697 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5699 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5701 PR tree-optimization/25985
5702 * tree-ssa-loop-niter.c (number_of_iterations_le,
5703 number_of_iterations_ne): Make comments more precise.
5704 (number_of_iterations_cond): Add only_exit argument. Use the
5705 fact that signed variables do not overflow only when only_exit
5707 (loop_only_exit_p): New.
5708 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5709 number_of_iterations_cond.
5711 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5713 PR tree-optimization/26643
5714 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5717 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5719 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5720 (divsi3_i4_int): Likewise.
5722 2006-03-28 Roger Sayle <roger@eyesopen.com>
5724 * expr.c (emit_group_store): Only create a new pseudo reg if the
5725 quantity it needs to hold isn't already a suitable pseudo.
5727 2006-03-28 Jeff Law <law@redhat.com>
5729 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5730 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5732 2006-03-28 Roger Sayle <roger@eyesopen.com>
5734 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5735 the equivalent ~X & Y, and the symmetry related transformations.
5736 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5737 ~X & Y, and symmetry related transforms.
5739 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5741 Revert my 2006-03-27 patches.
5743 2006-03-28 Roger Sayle <roger@eyesopen.com>
5745 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5746 ~(T1)X, when T1 and T2 are integer types of the same precision
5747 and (T2)X isn't an extension.
5749 2006-03-28 Jeff Law <law@redhat.com>
5751 PR tree-optimization/26796
5752 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5753 need EH edge cleanups rather than purging them immediately.
5754 (eliminate_degenerate_phis): Handle queued EH cleanups.
5756 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5758 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5761 2006-03-27 Roger Sayle <roger@eyesopen.com>
5764 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5765 cast BIT_NOT_EXPR operand to the correct type.
5767 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5769 * tree-loop-linear.c: Don't include varray.h.
5770 (gather_interchange_stats, try_interchange_loops,
5771 linear_transform_loops): Use VEC instead of VARRAY.
5772 * lambda-mat.c: Don't include varray.h.
5773 * tree-chrec.c: Same.
5774 * lambda-trans.c: Same.
5775 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5776 VEC instead of VARRAY.
5777 * tree-vectorizer.h: Idem.
5778 * tree-data-ref.c (dump_data_references,
5779 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5780 initialize_data_dependence_relation, finalize_ddr_dependent,
5781 compute_all_dependences, find_data_references_in_loop,
5782 compute_data_dependences_for_loop, analyze_all_data_dependences,
5783 free_dependence_relation, free_dependence_relations,
5784 free_data_refs): Idem.
5785 * tree-data-ref.h (data_reference_p, subscript_p): New.
5786 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5787 VEC instead of VARRAY.
5788 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5789 (find_data_references_in_loop, compute_data_dependences_for_loop,
5790 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5791 dump_data_dependence_relations, free_dependence_relations,
5792 free_data_refs): Adjust declaration.
5793 (lambda_transform_legal_p): Move declaration here...
5794 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5795 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5796 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5797 vect_analyze_data_refs): Use VEC instead of VARRAY.
5798 * lambda.h (lambda_transform_legal_p): ...from here.
5799 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5800 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5801 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5802 tree-chrec.o): Don't depend on VARRAY_H.
5804 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5806 * rtl.def (Copyright): Update date.
5807 (DEPS_LIST): Change type of the second operand to 'int'.
5808 * target.h (Copyright): Update date.
5809 (struct gcc_target.speculate_insn): Change type of the second parameter
5811 * lists.c (Copyright): Update date.
5812 (alloc_DEPS_LIST): Change signature. Update reference to the second
5813 operand of the DEPS_LIST.
5814 (copy_DEPS_LIST_list): Update reference to the second operand of the
5816 * rtl.h (Copyright): Update date.
5817 (alloc_DEPS_LIST): Update signature.
5818 * sched-int.h (Copyright): Update date.
5819 (ds_t): Change typedef to 'int'.
5820 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5822 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5824 * haifa-sched.c (Copyright): Update date.
5825 (try_ready): Change condition to restore non-speculative pattern
5827 (process_insn_depend_be_in_spec): Code to keep probability of the
5828 speculative dependence non-decreasing.
5830 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5832 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5833 shut up the compiler.
5835 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5837 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5838 to use lib prefix for target.
5839 ($(T)libic_invalidate_array_4-200.a): Likewise.
5840 ($(T)libic_invalidate_array_4a.a): Likewise.
5842 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5843 J"orn Rennecke <joern.rennecke@st.com>
5845 * superh.opt: New file.
5846 * sh.c (boardtype, osruntime): Remove.
5847 * superh.h (SUBTARGET_OPTIONS): Remove.
5848 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5850 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5851 arguments with ^ and/or [].
5853 * config.gcc (sh-*-*): Add quoting to account for quirk of
5855 Replace == with = in enable_incomplete_targets test.
5857 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5858 with MASK_LITTLE_ENDIAN.
5860 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5861 * config/sh/sh.opt: Added to some comments.
5862 * config/sh/superh.h: Removed some chaff.
5864 * config/sh/sh.opt: Add m4-[1234]00* options.
5865 * config/sh/sh.c (sh_handle_option): Likewise.
5866 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5867 (ic_invalidate_array_4-100.o): New rule.
5868 ($(T)libic_invalidate_array_4-100.a): Likewise.
5869 (ic_invalidate_array_4-200.o): Likewise.
5870 ($(T)libic_invalidate_array_4-200.a): Likewise.
5871 (ic_invalidate_array_4a.o): Likewise.
5872 ($(T)libic_invalidate_array_4a.a): Likewise.
5873 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5874 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5876 * config/sh/crt1.asm: Merged in profiling code.
5877 * config/sh/superh.h (STARTFILE_SPEC): Override.
5878 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5879 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5880 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5882 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5883 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5884 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5886 * sh.opt (mpretend-cmove): New option.
5887 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5888 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5889 (movsicc): Add TARGET_PRETEND_CMOVE code.
5891 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5893 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5894 s390_class_max_nregs): New function prototypes.
5895 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5896 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5897 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5898 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5900 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5902 * dwarf2out.c (add_location_or_const_value_attribute): Call
5903 tree_add_const_value_attribute if nothing else works.
5904 (reference_to_unused): New.
5905 (rtl_for_decl_init): Use reference_to_unused to decide whether
5906 to output an initializer.
5908 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5911 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5912 peephole removing spe frob_di_df_2.
5914 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5916 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5917 (subscript_dependence_tester_1): Declared.
5918 (print_dir_vectors, print_dist_vectors): New.
5919 (debug_data_dependence_relation): New.
5920 (dump_data_dependence_relation): Print more details.
5921 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5922 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5923 (save_dist_v, save_dir_v, add_outer_distances,
5924 build_classic_dist_vector_1): New.
5925 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5926 Don't test for lambda_vector_lexico_pos.
5927 (same_access_functions, add_multivariate_self_dist,
5928 add_other_self_distances, dir_from_dist): New.
5929 (build_classic_dir_vector): Replace implementation almost identical to
5930 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5932 (subscript_dependence_tester_1): New.
5933 (subscript_dependence_tester): Handle the lexicographically negative
5934 distance vectors by recomputing the dependence relation.
5935 (compute_affine_dependence): Remove parameter loop_nest_depth.
5936 (compute_self_dependence): Don't call compute_subscript_distance.
5937 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5938 Add a parameter for the loop_nest.
5939 (find_loop_nest_1, find_loop_nest): New.
5940 (compute_data_dependences_for_loop): Compute the loop nest, and give
5941 up if the nest is not well formed.
5942 * tree-data-ref.h (loop_p): New.
5943 (struct data_dependence_relation): Replace size_vect field with
5944 loop_nest, a vec of loops.
5945 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5946 (DDR_LOOP_NEST): New.
5947 (print_dir_vectors, print_dist_vectors,
5948 debug_data_dependence_relation): Declared.
5949 (index_in_loop_nest): New.
5950 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5951 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5954 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5956 * simplify-rtx.c (simplify_relational_operation): Call
5957 simplify_relational_operation_1 even if mode is VOIDmode.
5959 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5961 PR tree-optimization/26804
5962 * tree.h (DECL_CALL_CLOBBERED): New macro.
5963 (tree_decl_common): Add call_clobbered_flag.
5964 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5965 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5966 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5967 (mark_non_addressable): Ditto.
5968 * tree-ssa.c (verify_call_clobbered): New function.
5969 (verify_alias_info): Use it.
5970 * tree-pass.h (pass_reset_cc_flags): New prototype.
5971 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5972 (reset_cc_flags): New function.
5973 * passes.c (init_optimization_passes): Call reset_cc_flags after
5974 initializing referenced_vars.
5976 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5977 Roger Sayle <roger@eyesopen.com>
5980 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5981 to 1.0 for non-real operands. Implement A / A optimization for
5984 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5986 * config/i386/i386.c (size_cost): Correct the comment for
5987 cost of storing fp registers.
5988 (i386_cost): Likewise.
5989 (i486_cost): Likewise.
5990 (pentium_cost): Likewise.
5991 (pentiumpro_cost): Likewise.
5992 (k6_cost): Likewise.
5993 (athlon_cost): Likewise.
5994 (k8_cost): Likewise.
5995 (pentium4_cost): Likewise.
5996 (nocona_cost): Likewise.
5997 (generic64_cost): Likewise.
5998 (generic32_cost): Likewise.
6000 2006-03-24 Denis Chertykov <denisc@overta.ru>
6002 * config/avr/avr-protos.h (extra_constraint): Delete.
6003 (extra_constraint_Q): New declaration.
6004 * config/avr/constraints.md: New file.
6005 * config/avr/avr.md: Include it.
6006 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6007 (TMP_REGNO, ZERO_REGNO): Likewise.
6008 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6009 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6010 (extra_constraint): Delete.
6011 (extra_constraint_Q): Test for memory constraint 'Q'.
6012 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6013 (REG_CLASS_FROM_LETTER): Delete.
6014 (CONST_OK_FOR_LETTER_P): Delete.
6015 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6016 (EXTRA_CONSTRAINT): Delete.
6017 (TMP_REGNO): Delete.
6018 (ZERO_REGNO): Delete.
6020 2006-03-24 Jeff Law <law@redhat.com>
6022 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6023 directly. Call mark_new_vars_to_rename slightly earlier.
6025 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6027 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6029 (gen_compile_unit_die): Use new language types for Objective-C and
6031 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6032 DW_LANG_C_plus_plus.
6035 * config/t-darwin (crt3.o): Work around bug 26840.
6036 * config/darwin-crt3.c: Rewrite.
6037 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6039 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6041 * doc/invoke.texi: Document -femit-class-debug-always
6042 * common.opt: Add -femit-class-debug-always.
6044 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6046 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6047 index and base register.
6048 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6049 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6050 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6051 REGNO_OK_FOR_INDEX_P.
6052 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6054 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6055 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6056 REG_OK_FOR_BASE_P): Definitions removed.
6058 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6061 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6062 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6063 set yet or weren't marked as local yet.
6065 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6067 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6070 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6072 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6073 (rs6000_legitimate_small_data_p): Delete.
6074 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6075 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6076 and make static. Add forward declaration. Update uses.
6077 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6078 of offsettable_memref_p.
6079 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6080 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6082 2006-03-24 Jeff Law <law@redhat.com>
6084 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6085 around bug in immediate-use iterator.
6087 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6090 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6091 or __LITTLE_ENDIAN__.
6093 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6095 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6096 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6097 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6098 * config/sh/sh.opt (mdiv=): Amend description.
6099 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6100 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6101 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6102 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6103 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6104 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6105 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6106 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6107 TARGET_DIVIDE_CALL_FP.
6109 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6111 * haifa-sched.c (choose_ready): Fix type of the local variable.
6112 Move local variables. Add comment.
6113 (check_reg_live): Change signature. Make callable from debugger.
6114 * sched-int.h (check_reg_live): Update signature.
6115 * sched-ebb.c (check_reg_live): Update parameters.
6116 * sched-rgn.c (check_reg_live): Ditto.
6117 (region_head_or_leaf_p): Check pointer before dereferencing.
6118 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6119 before reload on optimization levels below 1.
6121 2006-03-23 Richard Henderson <rth@redhat.com>
6123 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6127 * config/alpha/predicates.md (local_symbolic_operand): Reject
6130 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6133 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6134 expressions which have overflowed constants.
6136 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6138 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6140 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6142 * cfgloopmanip.c (create_loop_notes): Removed.
6143 * final.c (final_scan_insn): Do not handle loop notes.
6144 * jump.c (squeeze_notes): Ditto.
6145 * cfglayout.c (skip_insns_after_block,
6146 duplicate_insn_chain): Ditto.
6147 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6149 * cfgloop.h (create_loop_notes): Declaration removed.
6151 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6153 * varasm.c (output_constant_pool): Restore fnname and fndecl
6155 (assemble_start_function): Adjust call accordingly.
6156 (assemble_end_function): Likewise.
6158 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6161 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6164 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6166 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6169 * system.h (ICE_EXIT_CODE): New macro.
6170 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6171 (diagnostic_action_after_output): Likewise.
6172 * gcc.c (fatal_ice): New function.
6173 (execute): Use it instead of fatal.
6174 (fancy_abort): Likewise.
6175 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6177 2006-03-22 Jeff Law <law@redhat.com>
6179 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6180 iv_analyze_result returning false.
6182 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6184 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6186 2006-03-22 Richard Henderson <rth@redhat.com>
6189 * except.c (duplicate_eh_regions_0): New.
6190 (duplicate_eh_region_1): Duplicate the children of the node as
6191 well as the node itself. Link them up properly.
6192 (duplicate_eh_region_2): Merge into ...
6193 (duplicate_eh_regions): ... here. Take copy_region argument, and
6194 copy only a sub-tree if asked. Simplify copying and fixup.
6195 (eh_region_outer_p): New.
6196 * except.h (duplicate_eh_regions): Update decl.
6197 (eh_region_outer_p): Declare.
6198 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6199 (lower_omp_master): Likewise.
6200 (lower_omp_ordered): Likewise.
6201 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6202 (move_stmt_r): Use it to remap labels. Handle recursion vs
6203 remap_decls_p properly.
6204 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6205 (find_outermost_region_in_block): New.
6206 (new_label_mapper): New.
6207 (move_sese_region_to_fn): Copy eh information to the new function
6209 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6211 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6214 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6216 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6217 into shared libraries.
6219 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6221 * doc/md.texi: Refer to i386/constraints.md instead of
6223 * config/i386/constraints.md: New file, extracted from...
6224 * config/i386/predicates.md: ...here.
6225 * config/i386/i386.md: Include constraints.md.
6227 2006-03-21 Jason Merrill <jason@redhat.com>
6229 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6232 * expr.c (init_block_move_fn): Force default visibility.
6233 (init_block_clear_fn): Likewise.
6234 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6235 * targhooks.c (default_external_stack_protect_fail): Likewise.
6237 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6239 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6240 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6241 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6242 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6243 (loadgp): Use mips_current_loadgp_style.
6244 (loadgp_noshared): New pattern.
6245 (sibcall_internal): Use MIPS_CALL.
6246 (sibcall_value_internal): Likewise.
6247 (sibcall_value_multiple_internal): Likewise.
6248 (call_internal): Likewise.
6249 (call_value_internal): Likewise.
6250 (call_value_multiple_internal): Likewise.
6251 (call_split): Use MIPS_CALL and add an 'S' constraint.
6252 (call_value_split): Likewise.
6253 (call_value_multiple_split): Likewise.
6254 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6255 (-mshared): New option.
6256 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6257 (mips_current_loadgp_style): Declare.
6258 * config/mips/mips.c (mips_classify_symbol): Avoid using
6259 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6260 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6261 TARGET_ABSOLUTE_ABICALLS.
6262 (override_options): Adjust comments. Improve the warning that is
6263 issued when -mabicalls and -G are used together.
6264 (mips_file_start): Remove comment.
6265 (mips_current_loadgp_style): New function.
6266 (mips_gnu_local_gp): New variable.
6267 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6269 (mips_output_function_prologue): Use mips_current_laodgp_style.
6270 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6271 the cprestore instruction.
6272 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6273 live for TARGET_ABSOLUTE_ABICALLS.
6274 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6275 (ASM_SPEC): Pass down -mshared and -mno-shared.
6276 (MIPS_CALL): New macro.
6277 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6279 * doc/invoke.texi (-mabicalls): Update documentation.
6280 (-mshared): Document.
6282 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6284 * config/ia64/unwind-hpux.c: New file.
6285 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6287 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6290 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6292 2006-03-21 Jeff Law <law@redhat.com>
6294 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6295 type conversions of a VR_VARYING source to a wider type.
6297 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6299 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6300 tm_file on Solaris 10 and later.
6301 (sparc64-*-solaris2*): Likewise.
6302 (sparc-*-solaris2*): Likewise.
6303 * config/sol26.h: Rename to config/sol2-6.h.
6304 * config/sol2-10.h: New file.
6306 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6309 * tree-ssa-pre.c (create_component_ref_by_pieces):
6312 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6315 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6316 return it immediately.
6318 2006-03-21 Michael Matz <matz@suse.de>
6320 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6322 (remove_arc, add_arc): Update num_out_arcs member.
6323 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6325 (cache_presence): New function.
6326 (compare_states_for_equiv): New function.
6327 (state_is_differed): Don't take number of outargs, adjust callers.
6328 Use new invariant for speeding up.
6329 (init_equiv_class): Create initial classes based on sorted
6331 (partition_equiv_class): Don't track out_arcs_num.
6332 (evaluate_equiv_classes): Call cache_presence on all states and
6335 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6337 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6338 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6339 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6340 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6342 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6343 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6344 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6345 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6346 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6348 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6349 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6350 (REGNO_REG_CLASS): ARGP is in PREGS.
6351 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6353 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6354 to deal with those addresses.
6355 * addresses.h: New file.
6356 * caller-save.c: Include "addresses.h".
6357 (init_caller_save): Use new base_reg_class function.
6358 * rtl-factoring.c: Include "addresses.h".
6359 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6360 * recog.c: Include "addresses.h".
6361 (preprocess_constraints): Use new base_reg_class function.
6362 * regrename.c: Include "addresses.h".
6363 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6364 functions. Keep track of a new var INDEX_CODE to compute valid
6366 (replace_oldest_value_addr): Likewise.
6367 (replace_oldest_value_mem): Use base_reg_class.
6368 * reload.c: Include "addresses.h".
6369 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6370 (find_reloads): Use new base_reg_class function.
6371 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6372 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6373 all callers and prototype changed.
6374 * reload1.c: Include "addresses.h".
6375 (maybe_fix_stack_asms): Use base_reg_class.
6376 * regclass.c: Include "addresses.h".
6377 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6378 (init_reg_autoinc): Use new base_reg_class function.
6379 (record_reg_classes): Likewise.
6380 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6381 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6382 Use new args to compute necessary class.
6384 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6385 regrename.o, rtl-factoring.o): Update dependencies.
6386 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6387 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6388 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6389 REG_OK_FOR_INDEX_P): Delete documentation.
6391 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6393 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6394 from V7 to V9 for Solaris 7 and above.
6396 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6398 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6399 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6400 argument pointers may not alias any other storage.
6401 * common.opt: Define option -fargument-noalias-anything.
6402 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6403 alias semantics is specified by flag_argument_noalias > 2.
6405 2006-03-20 Jeff Law <law@redhat.com>
6407 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6408 (pass_phi_only_cprop): Declare.
6409 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6411 * tree-ssa-dom.c (degenerate_phi_result): New function.
6412 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6413 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6414 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6415 (eliminate_degenerate_phis): Likewise.
6416 (pass_phi_only_cprop): New pass descriptor.
6417 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6418 support code. Callers updated.
6419 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6420 (store_copy_prop): Likewise.
6421 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6423 2006-03-20 Jason Merrill <jason@redhat.com>
6426 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6427 (push_visibility, pop_visibility): Likewise.
6428 * c-pragma.h: Declare them.
6430 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6432 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6434 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6435 parameter and use get_ebb_head_tail.
6436 (sh_md_init_global): Adjust uses of find_regmode_weight.
6438 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6440 * function.h (struct function) <x_tail_recursion_reentry>:
6441 Rename to x_stack_check_probe_note.
6442 (tail_recursion_reentry): Rename to stack_check_probe_note.
6443 * function.c: Replace tail_recursion_reentry with
6444 stack_check_probe_note everywhere.
6445 (expand_function_start): Only emit a note for
6446 stack_check_probe_note with -fstack-protect.
6447 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6449 * emit-rtl.c (remove_unnecessary_notes): Remove.
6450 (pass_remove_unnecessary_notes): Remove.
6451 * rtl.h (remove_unnecessary_notes): Remove prototype.
6452 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6453 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6454 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6456 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6459 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6460 (valid_in_set): Handle ARRAY_REF.
6461 Change "if min_variant or VH" to asserts.
6462 (create_component_ref_by_pieces): Handle ARRAY_REF.
6463 (create_expression_by_pieces): Likewise.
6464 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6466 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6468 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6469 is operand of switch, not str[0].
6471 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6473 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6474 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6476 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6478 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6479 end of insn_extra_address_constraint declaration.
6481 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6483 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6484 (no-sum-in-toc): Same.
6485 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6487 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6488 NO_FP_IN_TOC for -fPIC instead of mask.
6490 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6491 (BOOT_LDFLAGS): Delete.
6493 * config/rs6000/t-aix52: Same.
6495 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6496 (stmsi[345678]_power): New.
6498 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6500 * config/ia64/ia64.opt: Add empty line to end of file.
6502 2006-03-17 Richard Guenther <rguenther@suse.de>
6505 * builtins.c (get_pointer_alignment): For component style references
6506 adjust alignment to the component type alignment. Make sure
6507 to adjust alignment for component access of constants.
6509 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6511 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6514 2006-03-17 Paul Brook <paul@codesourcery.com>
6516 * doc/install.texi: Docuemnt --with-mode.
6517 * config.gcc: Add --with-mode for arm*-*-*.
6518 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6520 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6522 * sh.c (max_labelno_before_reorg): New variable.
6523 (sh_reorg): Initialize it.
6524 (find_barrier): Check max_labelno_before_reorg before using
6525 label_to_alignment. Take length of explicit alignment insns
6526 into account. When seeing a UNSPECV_CONST_END, return it.
6528 * sh.c (fixup_mova): Set mode of affected label to QImode.
6529 (untangle_mova): New function.
6530 (find_barrier): Use it. Check mode of label before decrementing
6532 (sh_reorg): Likewise.
6533 Set mode of all insns back to VOIDmode.
6535 * sh.c (MOVA_LABELREF): New macro.
6536 (mova_p, fixup_mova, sh_reorg): Use it.
6537 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6538 ADDR_DIFF_VEC matches mova.
6540 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6542 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6543 with ATTRIBUTE_UNUSED.
6545 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6547 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6548 pointer, instead of assuming it is possible to derive the
6549 correct args size from a call insn.
6551 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6553 * rtl.h (CONST_INT_P): Define.
6554 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6555 instead of GET_CODE(x) == CONST_INT.
6556 (vax_rtx_costs): Likewise.
6557 (vax_output_int_move): Likewise.
6558 (vax_output_int_add): Likewise.
6559 (legitimate_constant_address_p): Likewise.
6560 (index_term_p): Likewise.
6561 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6562 * config/vax/vax.md (and<mode>3): Likewise.
6563 (ashrsi3): Likewise.
6565 (movstricthi): Likewise.
6566 (movstrictqi): Likewise.
6567 (rotrsi3): Likewise.
6568 (five unnamed insns): Likewise.
6570 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6572 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6573 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6574 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6575 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6576 Pass to ASM_OUTPUT_DWARF_OFFSET.
6577 * dwarf2out.c (debug_frame_section): New.
6578 (output_call_frame_info): Use debug_frame_section. Pass it to
6579 dw2_asm_output_offset.
6580 (output_die): Pass appropriate section to dw2_asm_output_offset.
6581 (output_compilation_unit_header): Likewise.
6582 (output_pubnames): Likewise.
6583 (output_aranges): Likewise.
6584 (enum dw_val_class): Break dw_val_class_lbl_offset into
6585 dw_val_class_lineptr and dw_val_class_macptr.
6586 (add_AT_lbl_offset): Delete.
6587 (add_AT_lineptr): New.
6588 (add_AT_macptr): New.
6589 (AT_lbl): Expect a lineptr or macptr.
6590 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6591 (attr_checksum): Likewise.
6592 (same_dw_val_p): Likewise.
6593 (size_of_die): Likewise.
6594 (value_format): Likewise.
6595 (output_die): Likewise.
6596 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6598 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6599 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6600 * config/darwin-protos.h (darwin_file_start): New.
6601 (darwin_asm_output_dwarf_offset): New.
6602 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6603 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6605 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6606 if not EH section; simplify.
6607 (darwin_file_start): New.
6608 (darwin_asm_output_dwarf_offset): New.
6609 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6611 (DEBUG_INFO_SECTION): Likewise.
6612 (DEBUG_ABBREV_SECTION): Likewise.
6613 (DEBUG_ARANGES_SECTION): Likewise.
6614 (DEBUG_MACINFO_SECTION): Likewise.
6615 (DEBUG_LINE_SECTION): Likewise.
6616 (DEBUG_LOC_SECTION): Likewise.
6617 (DEBUG_PUBNAMES_SECTION): Likewise.
6618 (DEBUG_STR_SECTION): Likewise.
6619 (DEBUG_RANGES_SECTION): Likewise.
6620 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6621 (ASM_OUTPUT_DWARF_OFFSET): New.
6623 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6625 * config.gcc (tm_defines): Always add to previous value rather
6628 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6630 * config/mips/predicates.md (splittable_const_int_operand): New,
6631 split from move_operand.
6632 (splittable_symbolic_operand): New.
6633 (move_operand): Add commentary. Use splittable_const_int_operand.
6634 Inline mips_atomic_symbolic_constant_p.
6635 * config/mips/mips.md: Add combine splitters for handling moves
6636 of splittable_const_int_operands and splittable_symbolic_operands.
6637 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6638 (mips_split_symbol): Declare.
6639 (mips_move_integer): Declare.
6640 * config/mips/mips.c (mips_split_p): Make global.
6641 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6642 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6643 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6644 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6645 (mips_offset_within_object_p): Handle block symbols.
6646 (mips_atomic_symbolic_constant_p): Delete.
6647 (mips_cannot_force_const_mem): Return false for constants that
6648 mips_legitimize_move can handle.
6649 (mips_use_blocks_for_constant_p): New function.
6650 (mips_split_symbol): Make global.
6651 (mips_move_integer): Likewise. Add a temporary register argument.
6652 (mips_legitimize_const_move): Use splittable_const_int_operand and
6653 splittable_symbolic_operand.
6654 (mips_use_anchors_for_symbol_p): New function.
6655 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6656 (mips_split_p): Declare.
6658 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6660 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6661 (mips*-*-linux*): Likewise.
6663 2006-03-16 Roger Sayle <roger@eyesopen.com>
6664 Daniel Speyer <dspeyer@wam.umd.edu>
6667 * tree-dump.c (dump_real): New function.
6668 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6669 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6670 (tree-dump.o): Add $(REAL_H) to the dependencies.
6672 2006-03-16 Roger Sayle <roger@eyesopen.com>
6675 * real.c (real_from_string): If the mantissa is zero, don't bother
6676 parsing the exponent as the result should always be zero.
6678 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6680 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6682 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6684 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6685 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6686 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6687 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6688 ia64_sched_finish_global): New static functions to implement
6689 hooks from gcc_target.sched.
6690 (spec_check_no, max_uid, pending_data_specs): New static variables.
6691 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6692 ia64_spec_check_src_p): New static functions.
6693 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6694 (TARGET_SCHED_ADJUST_COST): Removed.
6695 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6696 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6697 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6698 TARGET_SCHED_GEN_CHECK,
6699 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6700 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6701 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6702 Fixed to handle speculation checks.
6703 (rtx_needs_barrier): Fixed to handle speculative loads and
6705 (ia64_variable_issue): Added code to count speculative loads and their
6707 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6709 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6711 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6713 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6714 (ia64_reorg): Reset stops_p to NULL after it is freed.
6715 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6716 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6717 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6719 (data_speculative, control_speculative, check_load): New attributes.
6720 (mov<mode>_advanced, mov<mode>_speculative,
6721 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6722 zero_extend<mode>di2_speculative,
6723 zero_extend<mode>di2_speculative_advanced): New patterns for
6724 data and control speculative loads.
6725 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6727 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6728 New pattern for data and control speculation checks.
6729 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6730 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6731 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6732 Auxiliary definitions for the patterns.
6733 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6734 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6736 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6738 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6739 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6740 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6741 New resource constraints.
6742 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6744 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6745 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6746 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6747 msched-in-control-spec, msched-ldc, msched-control-ldc,
6748 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6749 msched-prefer-non-control-spec-insns,
6750 msched-count-spec-in-critical-path): New flags to tune speculative
6752 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6753 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6754 msched-in-control-spec, msched-ldc, msched-control-ldc,
6755 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6756 msched-prefer-non-control-spec-insns,
6757 msched-count-spec-in-critical-path): Document new flags.
6759 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6761 * target.h (struct spec_info_def): New opaque declaration.
6762 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6763 speculate_insn, needs_block_p, gen_check,
6764 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6765 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6766 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6767 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6768 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6769 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6771 (TARGET_SCHED): Use new macros.
6772 * rtl.h (copy_DEPS_LIST_list): New prototype.
6773 * sched-int.h (struct sched_info): Change signature of new_ready field,
6774 adjust all initializations. New fields: add_remove_insn,
6775 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6776 region_head_or_leaf_p.
6777 (struct spec_info_def): New structure declaration.
6778 (spec_info_t): New typedef.
6779 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6780 recovery_block, orig_pat.
6781 (glat_start, glat_end): New variables declaraions.
6782 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6784 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6785 DETACH_LIFE_INFO, USE_GLAT.
6786 (enum SPEC_SCHED_FLAGS): New enumeration.
6787 (NOTE_NOTE_BB_P): New macro.
6788 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6789 attach_life_info, debug_spec_status, check_reg_live): New functions.
6790 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6791 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6793 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6794 * ddg.c (get_block_head_tail): Adjust all uses.
6795 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6796 (sms_sched_info): Initialize new fields.
6797 (contributes_to_priority): Removed.
6798 * haifa-sched.c (params.h): New include.
6799 (get_block_head_tail): Adjust all uses.
6800 (ISSUE_POINTS): New macro.
6801 (glat_start, glat_end): New global variables.
6802 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6803 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6804 old_last_basic_block, before_recovery, current_sched_info_var,
6805 rgn_n_insns, luid): New static variables.
6806 (insn_cost1): New function. Move logic from insn_cost to here.
6807 (find_insn_reg_weight1): New function. Move logic from
6808 find_insn_reg_weight to here.
6809 (reemit_notes, move_insn, max_issue): Change signature.
6810 (move_insn1): Removed.
6811 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6812 extend_bb): New static functions to support extension of scheduler's
6814 (generate_recovery_code, process_insn_depend_be_in_spec,
6815 begin_speculative_block, add_to_speculative_block,
6816 init_before_recovery, create_recovery_block, create_check_block_twin,
6817 fix_recovery_deps): New static functions to support
6818 generation of recovery code.
6819 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6820 restore_bb_notes, move_block_after_check, move_succs): New static
6821 functions to support ebb scheduling.
6822 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6823 functions to support handling of register live information.
6824 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6825 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6826 add_jump_dependencies): New static functions.
6827 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6828 consistancy checking.
6829 (debug_spec_status): New function to call from debugger.
6830 (priority): Added code to handle speculation checks.
6831 (rank_for_schedule): Added code to distinguish speculative instructions.
6832 (schedule_insn): Added code to handle speculation checks.
6833 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6834 Fixed to handle ebbs.
6835 (move_insn): Added code to handle ebb scheduling.
6836 (max_issue): Added code to use ISSUE_POINTS of instructions.
6837 (choose_ready): Added code to choose between speculative and
6838 non-speculative instructions.
6839 (schedule_block): Added code to handle ebb scheduling and scheduling of
6840 speculative instructions.
6841 (sched_init): Initialize new variables.
6842 (sched_finish): Free new variables. Print statistics.
6843 (try_ready): Added code to handle speculative instructions.
6844 * lists.c (copy_DEPS_LIST_list): New function.
6845 * sched-deps.c (extend_dependency_caches): New function. Move logic
6846 from create_dependency_caches to here.
6847 (get_dep_weak, ds_merge): Make global.
6848 * genattr.c (main): Code to output prototype for
6849 dfa_clear_single_insn_cache.
6850 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6851 (output_dfa_clean_insn_cache_func): Code to output
6852 dfa_clear_single_insn_cache function.
6853 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6855 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6857 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6858 New static variables.
6859 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6860 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6862 (ebb_sched_info): Initialize new fields.
6863 (get_block_head_tail): Adjust all uses.
6864 (compute_jump_reg_dependencies): Fixed to use glat_start.
6865 (schedule_ebb): Code to remove unreachable last block.
6866 (schedule_ebbs): Added code to update register live information.
6867 * sched-rgn.c (region_sched_info): Initialize new fields.
6868 (get_block_head_tail): Adjust all uses.
6869 (last_was_jump): Removed. Adjust users.
6870 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6871 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6872 Implement new hooks.
6873 (check_dead_notes1): New static function.
6874 (struct region): New fields: dont_calc_deps, has_real_ebb.
6875 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6876 (BB_TO_BLOCK): Fixed to handle EBBs.
6877 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6878 (ebb_head): New static variable.
6879 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6880 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6882 (compute_dom_prob_ps): New assertion.
6883 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6884 global_live_at_start.
6885 (init_ready_list): New assertions.
6886 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6887 (new_ready): Add support for BEGIN_CONTROL speculation.
6888 (schedule_insns): Fixed code that updates register live information
6890 (schedule_region): Fixed to handle EBBs.
6891 (init_regions): Use extend_regions and check_dead_notes1.
6892 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6893 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6894 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6895 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6896 TARGET_SCHED_GEN_CHECK,
6897 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6898 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6899 * doc/invoke.texi (max-sched-insn-conflict-delay,
6900 sched-spec-prob-cutoff): Document.
6902 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6904 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6905 inter_tick, queue_index.
6906 (struct sched_info): Change signature of init_ready_list field.
6907 Adjust all initializations.
6908 (RESOLVED_DEPS): New access macro.
6909 (ready_add): Remove prototype.
6910 (try_ready): Add prototype.
6911 * sched-rgn.c (init_ready_list): Use try_ready.
6912 (schedule_region): Initialize
6913 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6914 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6915 (init_ready_list): Use try_ready.
6916 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6917 * lists.c (remove_list_elem): Remove `static'.
6918 (remove_free_INSN_LIST_elem): New function.
6919 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6920 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6921 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6923 (readyp): New variable.
6924 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6925 change_queue_index, resolve_dep): New static functions.
6926 (try_ready): New function. Adjust callers in sched-rgn.c and
6927 sched-ebb.c to use it instead of ready_add.
6928 (clock_var): Move at the begining of file.
6929 (rank_for_schedule): Fix typo.
6930 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6931 (ready_lastpos): Enforce assertion.
6932 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6934 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6935 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6936 (queue_to_ready): Use free_INSN_LIST_list.
6937 (early_queue_to_ready): Fix typo.
6938 (schedule_block): Init readyp. Move init_ready_list call after the
6939 initialization of clock_var. Fix error in rejecting insn by
6940 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6941 that previously corrected INSN_TICKs. Add code for handling
6943 (set_priorities): Fix typo.
6944 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6945 Clarify comment and code that keeps current_sched_info->next_tail
6948 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6950 * sched-rgn.c (extend_rgns): New static function.
6951 (find_rgns): Use it.
6952 (gather_region_statistics, print_region_statistics): New static
6954 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6955 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6957 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6958 Andrey Belevantsev <abel@ispras.ru>
6960 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6961 * lists.c (unused_deps_list): New variable.
6962 (free_list): Add assertions to verify the proper distinguishing
6963 between INSN_LISTs and DEPS_LISTs.
6964 (find_list_elem, remove_list_elem, remove_list_node): New static
6966 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6967 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6968 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6969 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6971 (free_INSN_LIST_node): Likewise.
6972 * modulo-sched.c (current_sched_info): Initialize flags field.
6973 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6974 * rtl.def (DEPS_LIST): Define.
6975 * rtl.h: Declare new functions from lists.c.
6976 * sched-deps.c (spec_dependency_cache): New static variable.
6977 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6978 (add_dependence): Change return type to void. Move the logic to ...
6979 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6980 (delete_all_dependences): Add comment about forward_dependency_cache.
6981 Handle spec_dependency_cache. Handle DEPS_LISTs.
6982 (fixup_sched_groups): Clarify the change of priority of output
6983 and anti dependencies.
6984 (sched_analyze_2): Adjust add_dependence calls to create data
6985 speculative dependence.
6986 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6987 Adjust all callers. Handle DEPS_LISTS.
6988 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6989 presence of speculation.
6990 (init_dependency_caches, free_dependency_caches):
6991 Handle spec_dependency_cache.
6992 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6993 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6994 New static functions.
6995 (add_or_update_back_dep, add_or_update_back_forw_dep,
6996 add_back_forw_dep, delete_back_forw_dep): New functions.
6997 * sched-int.h (ds_t, dw_t): New typedefs.
6998 (struct sched_info): Add new field flags.
6999 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7000 Prototype new sched-deps.c functions.
7001 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7002 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7003 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7004 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7005 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7006 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7008 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7010 * sched-rgn.c (current_sched_info): Initialize flags field.
7011 (schedule_insns): Initialize current_sched_info before the sched_init
7013 * sched-ebb.c (current_sched_info): Initialize flags field.
7014 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7015 Call add_or_update_back_dep instead of add_dependence.
7016 Create control speculative dependencies.
7017 (schedule_insns): Initialize current_sched_info before the sched_init
7020 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7022 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7024 (sh_fallback_frame_state): Likewise.
7026 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7028 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7029 Do switch on default_use_cxa_atexit.
7030 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7031 * config/darwin-crt3.o: New.
7032 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7033 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7034 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7036 * config/rs6000/t-darwin: Move crt2.o building to here.
7037 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7038 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7041 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7043 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7044 from '! xxx' to '!xxx' for coding-style conformance.
7045 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7046 (EXTRA_CONSTRAINT): Likewise.
7047 * config/vax/vax.md (four unnamed insns): Likewise.
7049 2006-03-15 Paul Brook <paul@codesourcery.com>
7051 * config/arm/arm.c (minipool_pad): New.
7052 (add_minipool_forward_ref): Include pool alignment padding in address
7054 (push_minipool_fix): Set minipool_pad.
7055 (minipool_pad): Ditto.
7057 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7059 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7060 instead of GET_CODE() == MEM and REG_P() instead of
7062 (print_operand_address): Likewise.
7063 (vax_address_cost): Likewise.
7064 (vax_rtx_costs): Likewise.
7065 (vax_notice_update_cc): Likewise.
7066 (vax_output_int_add): Likewise.
7067 (INDEX_REGISTER_P): Likewise.
7068 (BASE_REGISTER_P): Likewise.
7069 (nonindexed_address_p): Likewise.
7070 (vax_mode_dependent_address_p): Likewise.
7071 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7072 (PRINT_OPERAND): Likewise.
7073 * config/vax/vax.md (ashlsi3): Likewise.
7074 (ashlsi3): Likewise.
7075 (some more unnamed insns): Likewise.
7077 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7079 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7080 iterator-style macro.
7081 (mark_control_dependent_edges_necessary): Update the use of
7082 EXECUTE_IF_CONTROL_DEPENDENT.
7084 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7086 * config/sh/predicates.md (cache_address_operand): Special.
7087 (ua_address_operand): Likewise.
7089 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7091 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7093 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7095 2006-03-15 Andreas Schwab <schwab@suse.de>
7097 * gensupport.c (identify_predicable_attribute): Don't free p_false
7098 when it is still in use.
7100 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7102 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7103 the default setting here.
7105 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7107 * tree-pass.h (pass_cfg): Remove.
7108 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7109 * passes.c (pass_cfg): Don't run it.
7111 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7113 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7114 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7116 (stack_regs_mentioned): Update the uses of
7117 stack_regs_mentioned_data. Don't access the array beyond its
7119 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7120 Don't include gt-reg-stack.h.
7122 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7123 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7125 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7128 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7131 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7133 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7135 2006-03-14 Richard Guenther <rguenther@suse.de>
7137 PR tree-optimization/26672
7138 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7141 2006-03-14 Richard Guenther <rguenther@suse.de>
7143 PR tree-optimization/26667
7144 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7145 node for the callees. Always allow inlining if it will shrink
7148 2006-03-14 Richard Guenther <rguenther@suse.de>
7151 * builtins.c (get_pointer_alignment): Prefer alignment
7152 information from decls over that from types.
7154 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7157 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7159 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7161 * config/rs6000/rs6000.opt (mdlmzb): New option.
7162 (msched-prolog, msched-epilog): Use Var not Mask.
7163 * doc/invoke.texi (-mdlmzb): Document.
7164 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7166 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7167 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7169 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7171 PR rtl-optimization/25739
7172 * bt-load.c (augment_live_range): Free tos pointer.
7174 * gensupport.c (identify_predicable_attribute): Free
7176 * gcov.c (create_file_names): Free name pointer.
7178 2006-03-13 Roger Sayle <roger@eyesopen.com>
7181 * stmt.c (emit_case_nodes): Handle the case where the index is a
7182 CONST_INT, where the comparison mode is specified by the index type.
7184 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7186 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7189 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7191 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7192 (*branch_fp_inverted): Likewise.
7194 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7197 * omp-low.c (expand_omp_for_generic): Mark istart0
7198 and iend0 as addressable.
7200 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7202 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7204 2006-03-13 Jeff Law <law@redhat.com>
7206 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7207 virtual operands are interesting.
7208 (vrp_visit_stmt): Corresponding changes.
7210 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7212 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7214 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7215 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7216 * config/bfin/crti.S: Use it instead of __PIC__.
7217 * config/bfin/crtn.S: Likewise.
7219 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7220 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7222 Lose 'G' modifier for call operand.
7223 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7224 recognize 'G' modifier.
7226 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7229 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7230 * stmt.c (expand_case): Likewise.
7232 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7234 PR rtl-optimization/26254
7235 * loop-invariant.c (seq_insns_valid_p): New function.
7236 (move_invariant_reg): Only emit new code if it is valid.
7238 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7240 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7242 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7243 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7244 (commit_one_edge_insertion): Do not look for loop notes.
7246 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7248 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7249 flag_test_coverage out of loop.
7251 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7253 * final.c (shorten_branches): Remove outdated comment, and turn
7254 the if branch that guards it to continue.
7256 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7258 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7259 * cfgloop.h (struct loop): Remove unused fields.
7261 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7263 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7264 (-dL, -fdump-rtl-loop2): Update the dump file names
7266 * doc/invoke.texi: Update dump file names.
7268 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7270 * predict.c (estimate_probability): Remove.
7271 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7272 * basic-block.h (estimate_probability): Remove prototype.
7273 * passes.c (finish_optimization_passes): Dump branch prediction or
7274 profiling heuristics to the .profile tree dump.
7275 (init_optimization_passes): Unqueue pass_branch_prob.
7277 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7279 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7281 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7282 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7284 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7286 * function.h (frame_offset_overflow): Declare.
7287 * function.c (frame_offset_overflow): New function.
7288 (assign_stack_local_1): Call it to detect that the offset overflows.
7289 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7291 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7293 * config/sh/sh.c: Include alloc-pool.h.
7294 (label_ref_list_pool): New alloc pool.
7295 (label_ref_list_t): New type for lists of labels.
7296 (struct pool_node): Make wend a label_ref_list_t.
7297 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7299 (dump_table): Likewise.
7300 (sh_reorg): Set up the alloc pool before using add_constant and
7301 dump_table, and destroy it when finishing.
7303 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7305 * config/mips/mips.c: Remove redundant comment.
7307 2006-03-10 Jason Merrill <jason@redhat.com>
7310 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7311 the target was declared 'register'.
7313 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7315 * genpreds.c (write_insn_constraint_len): Change definition of
7316 insn_constraint_len to return size_t to match the declaration.
7318 2006-03-10 DJ Delorie <dj@redhat.com>
7320 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7322 (m32c_expand_insv): Fix test for an AND mask.
7324 2006-03-10 Richard Guenther <rguenther@suse.de>
7327 * builtins.c (get_pointer_alignment): Handle component
7328 references for field alignment.
7330 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7332 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7333 when building with libgloss.
7334 (sh*elf): Implement --without-fp option.
7335 (sh64-superh-linux*): Don't multilib.
7337 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7339 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7341 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7343 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7344 Set it when one of the replacement functions returned true.
7345 Return TODO_cleanup_cfg if cfgchanged is true.
7346 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7348 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7350 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7351 instead of gen_lowpart.
7353 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7355 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7357 (mips_output_order_conditional_branch): Declare.
7358 * config/mips/mips.h (MIPS_BRANCH): New macro.
7359 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7360 for the comparison. Use gen_condjump.
7361 (mips_output_conditional_branch): Rework interface to take the
7362 asm templates for a direct branch and the inverse of a direct branch.
7363 (mips_output_order_conditional_branch): New function.
7364 (mips_builtin_branch_and_move): New function.
7365 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7366 branch condition. Use gen_single_cc as the condition for
7367 __builtin_mips_upper_* or __builtin_mips_lower_*.
7368 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7369 Use VOIDmode for the branch condition.
7370 * config/mips/predicates.md (order_operator): New predicate.
7371 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7372 (branch_fp): Rename to...
7373 (*branch_fp): ...this. Remove mode from comparison operator.
7374 Use new mips_output_conditional_branch interface.
7375 (branch_fp_inverted): Rename to...
7376 (*branch_fp_inverted): ...this and update as for *branch_fp.
7377 (*branch_zero<mode>): Rename to...
7378 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7379 Use mips_output_order_conditional_branch. Only accept ordered
7381 (*branch_zero<mode>_inverted): Rename to...
7382 (*branch_order<mode>_inverted): ...this and update as for
7383 *branch_order<mode>.
7384 (*branch_equality<mode>): Accept zero as the second operand to
7385 the equality operator. Use the new mips_output_conditional_branch
7387 (*branch_equality<mode>_inverted): Likewise.
7388 (condjump): New expander.
7389 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7391 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7392 (bc1any2t, bc1any2f): Likewise.
7393 (single_cc): New expander.
7394 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7396 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7398 * doc/md.texi: Update documentation of MIPS constraints.
7399 * config/mips/constraints.md: New file.
7400 * config/mips/mips.md: Include it.
7401 * config/mips/mips.c (mips_char_to_class): Delete.
7402 (override_options): Don't initialize mips_char_to_class.
7403 * config/mips/mips.h (mips_char_to_class): Delete.
7404 (REG_CLASS_FROM_LETTER): Delete.
7405 (CONST_OK_FOR_LETTER_P): Delete.
7406 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7407 (EXTRA_CONSTRAINT_Y): Delete.
7408 (EXTRA_CONSTRAINT_STR): Delete.
7409 (CONSTRAINT_LEN): Delete.
7410 (EXTRA_MEMORY_CONSTRAINT): Delete.
7412 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7414 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7415 original fn's eh regions.
7417 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7419 * fold-const.c (build_range_check): Make sure to use a valid type to
7420 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7423 (range_predecessor): New static function.
7424 (range_successor): Likewise.
7425 (merge_ranges): Use them to compute predecessors and successors of
7428 2006-03-09 Roger Sayle <roger@eyesopen.com>
7431 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7432 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7434 2006-03-08 DJ Delorie <dj@redhat.com>
7436 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7437 (addpsi3): Expand to include memory operands. Remove
7438 reload-specific splits.
7439 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7440 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7441 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7442 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7443 (shift1_qi, shift1_hi, insv): New.
7444 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7445 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7446 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7448 * config/m32c/m32c-protos.h: Update as needed.
7449 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7450 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7451 Fail for unrecognized R* constraints.
7452 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7453 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7454 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7456 (m32c_init_libfuncs): New.
7457 (m32c_legitimate_address_p): Add debug wrapper.
7458 (m32c_rtx_costs): New.
7459 (m32c_address_cost): New.
7460 (conversions): Add 'B' prefix.
7461 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7462 operands, or word regnames for QI operands. 'B' prints bit
7464 (m32c_expand_setmemhi): New.
7465 (m32c_expand_movmemhi): New.
7466 (m32c_expand_movstr): New.
7467 (m32c_expand_cmpstr): New.
7468 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7469 (m32c_expand_neg_mulpsi3): Handle non-ints.
7470 (m32c_cmp_flg_0): New.
7471 (m32c_expand_movcc): New.
7472 (m32c_expand_insv): New.
7473 (m32c_scc_pattern): New.
7474 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7475 a0/a1 out of SIregs.
7476 (STORE_FLAG_VALUE): New.
7477 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7480 * config/m32c/mov.md: Make constraints more liberal.
7481 (zero_extendqihi2): Optimize r0/r1 case.
7482 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7483 * config/m32c/predicates.md (m32c_any_operand): New.
7484 (m32c_nonimmediate_operand): New.
7485 (m32c_hl_operand): New.
7486 (m32c_r3_operand): New.
7489 (memsym_operand): New.
7490 (memimmed_operand): New.
7491 (a_qi_operand): New.
7492 (m32c_eqne_operator): New.
7493 (m32c_1bit8_operand): New.
7494 (m32c_1bit16_operand): New.
7495 (m32c_1mask8_operand): New.
7496 (m32c_1mask16_operand): New.
7497 * config/m32c/blkmov.md: New file.
7498 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7500 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7502 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7503 unsigned to fix signed/unsigned comparison issue in
7504 DWARF2_FRAME_REG_OUT.
7505 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7506 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7508 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7509 of ptr into the ENABLE_CHECKING section.
7511 2006-03-08 Jeff Law <law@redhat.com>
7513 * tree-vrp.c (infer_value_range): Only count pointer uses
7514 and dereferences if -fdelete-null-pointer-checks is enabled.
7516 * tree-vrp.c (find_assert_locations): Infer value ranges for
7517 single use pointers, but do not create ASSERT_EXPRs for them.
7518 When a non-null range is inferred for a pointer, backwards
7519 propagate that range to other equivalent pointers through the
7522 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7525 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7526 language hook targets.
7527 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7528 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7529 if language hook targets were missing.
7531 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7533 * tree-ssa-opfinalize.h: Removed.
7534 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7536 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7537 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7538 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7539 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7540 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7541 finalize_ssa_v_must_def_ops): New.
7543 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7545 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7548 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7550 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7552 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7553 addresses with offsets; reorganize.
7555 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7556 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7557 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7559 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7562 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7564 2006-03-08 Ben Elliston <bje@au.ibm.com>
7566 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7568 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7571 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7574 2006-03-07 Richard Guenther <rguenther@suse.de>
7576 PR tree-optimization/26587
7577 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7579 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7581 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7583 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7585 * hooks.c (hook_bool_mode_rtx_true): New function.
7586 * hooks.h (hook_bool_mode_rtx_true): Declare.
7587 * toplev.c (compile_file): Call output_shared_constant_pool.
7588 * varasm.c (shared_constant_pool): New variable.
7589 (assemble_start_function, assemble_end_function): Remove arguments
7590 from call to output_constant_pool.
7591 (create_constant_pool): New function, split out from...
7592 (init_varasm_status): ...here.
7593 (force_const_mem): Choose between the shared and per-function constant
7594 pools. Set current_function_uses_const_pool when reusing old entries
7595 as well as when creating new ones.
7596 (mark_constant): Ignore data argument.
7597 (mark_constants): Remove pool argument.
7598 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7599 to decide whether the function uses a constant pool.
7600 (output_constant_pool_contents): New function, split out from...
7601 (output_constant_pool): ...here.
7602 (output_shared_constant_pool): New function.
7603 (init_varasm_once): Initialize shared_constant_pool.
7604 * output.h (output_constant_pool): Delete.
7605 (output_shared_constant_pool): Declare.
7606 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7607 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7609 2006-03-06 Nick Clifton <nickc@redhat.com>
7611 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7612 flag_strength_reduce.
7614 2006-03-06 Ben Elliston <bje@au.ibm.com>
7616 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7617 x86_64-*-linux* configurations.
7619 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7620 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7622 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7624 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7626 * basic-block.h: Remove the extern for
7627 rediscover_loops_after_threading.
7629 * cfgloop.c (cancel_loop): Make it static.
7630 * cfgloop.h: Remove the prototype for cancel_loop.
7632 * flow.c (recompute_reg_usage): Make it static.
7633 * rtl.h: Remove the prototype for recompute_reg_usage.
7635 * function.c (use_return_register): Make it static.
7636 * function.h: Remove the prototype.
7638 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7640 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7642 * recog.h: Remove the prototype for
7643 validate_change_maybe_volatile.
7645 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7647 * rtlanal.c (replace_reg): Remove.
7648 * rtl.h: Remove the prototype for replace_reg.
7650 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7652 * regclass.c (reg_scan_update): Remove.
7653 (reg_scan_mark_refs): Remove the last argument.
7654 * rtl.h: Remove the prototype for reg_scan_update.
7656 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7658 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7659 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7660 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7661 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7662 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7663 loop-invariant.c, omp-low.c, opts.c, passes.c,
7664 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7665 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7666 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7667 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7668 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7669 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7671 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7673 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7674 * dwarf2out.h: Remove the prototype for
7675 dwarf2out_add_library_unit_info.
7677 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7679 * tree.c (add_var_to_bind_expr): Remove.
7680 * tree.h: Remove the prototype for add_var_to_bind_expr.
7682 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7684 * regclass.c (n_non_fixed_regs): Remove.
7685 (init_reg_sets_1, globalize_reg): Remove all uses of
7687 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7689 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7691 * rtlanal.c (insns_safe_to_move_p): Remove.
7692 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7694 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7696 * expmed.c (expand_mult_add): Remove.
7697 * expr.h: Remove the prototype for expand_mult_add.
7699 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7701 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7702 and REG_SAVED_VAL_EXP constants.
7703 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7704 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7705 Handle regs stored by value.
7706 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7707 (execute_cfa_program): Handle DW_CFA_val_offset,
7708 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7709 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7710 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7711 (uw_install_context_1): Handle target regs stored by value.
7713 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7715 * tree-sra.c (tree_sra): Return todoflags;
7716 (generate_one_element): Set TODO_update_smt_usage if needed.
7717 (pass_sra): Remove TODO_update_smt_usage.
7718 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7720 (tree_ssa_forward_propagate_single_use_vars): Return
7721 TODO_update_smt_usage if we need to update SMT usage.
7722 (pass_forwprop): Remove TODO_update_smt_usage.
7724 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7726 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7727 (correct_use_link): Remove reference to get_stmt_operands.
7728 (update_stmt_operands): Likewise.
7729 (get_modify_expr_operands): New function factored out of
7730 parse_ssa_operands and get_expr_operands.
7731 Try to create V_MUST_DEFs for LHS by default.
7732 (get_expr_operands) <case MODIFY_EXPR>: Call
7733 get_modify_expr_operands.
7734 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7735 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7736 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7737 get_modify_expr_operands.
7739 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7741 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7742 * tree-flow.h: Remove the prototype for
7743 referenced_var_lookup_if_exists.
7745 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7747 PR rtl-optimization/26345
7749 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7751 2006-03-03 Roger Sayle <roger@eyesopen.com>
7753 PR tree-optimization/26524
7754 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7755 fold_convert to create a constant of the appropriate type.
7757 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7759 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7760 SYMBOL_REF_IN_BLOCK_P.
7761 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7762 of SYMBOL_FLAG_IN_BLOCK.
7763 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7764 instead of SYMBOL_REF_IN_BLOCK_P.
7765 * explow.c (use_anchored_address): Likewise.
7766 * rtl.c (rtx_size): Likewise.
7767 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7768 instead of SYMBOL_FLAG_IN_BLOCK.
7769 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7770 SYMBOL_REF_IN_BLOCK_P.
7771 (assemble_variable): Likewise.
7772 (output_constant_def_contents): Likewise.
7773 (output_constant_pool): Likewise.
7774 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7775 instead of SYMBOL_FLAG_IN_BLOCK.
7776 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7777 SYMBOL_REF_IN_BLOCK_P.
7778 (SYMBOL_REF_BLOCK): Likewise.
7779 (SYMBOL_REF_OFFSET): Likewise.
7780 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7781 SYMBOL_REF_IN_BLOCK_P.
7782 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7783 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7784 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7785 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7787 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7789 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7791 2006-03-02 Roger Sayle <roger@eyesopen.com>
7793 * simplify-rtx.c (simplify_unary_operation): When simplifying
7794 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7795 that we perform the right shift in the appropriate mode, and
7796 then extend or truncate the result to requested mode.
7798 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7800 * gengtype.c (main): Handle double_int type.
7801 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7802 * double-int.c: New file.
7803 * double-int.h: New file.
7804 * system.h: Include doubleint.h.
7805 * Makefile.in (SYSTEM_H): Include double-int.h.
7806 (double-int.o): Add.
7808 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7811 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7814 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7816 * tree-vrp.c (remove_range_assertions): Do not update statements
7819 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7821 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7823 * gcse.c (rest_of_handle_gcse): Ditto.
7824 * except.c (gate_handle_eh): Ditto.
7825 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7826 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7828 2006-03-02 Eric Christopher <echristo@apple.com>
7830 * config/i386/i386.c (machopic_output_stub): Add indirection to
7833 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7837 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7839 Sun Niagara specific optimizations.
7840 * config.gcc: Recognize niagara as target.
7841 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7842 (TARGET_CPU_niagara): Define.
7843 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7844 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7845 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7846 (ASM_CPU_SPEC): Likewise.
7847 (PROCESSOR_NIAGARA): New enum entry.
7848 (REGISTER_MOVE_COST): Handle Niagara.
7849 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7850 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7851 (sparc_override_options): Recognize "niagara", set appropriate
7852 default MASK_* values for it, and align functions to 32-bytes
7853 by default just like ULTRASPARC/ULTRASPARC3.
7854 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7855 (sparc64_initialize_trampoline): Likewise.
7856 (sparc_use_sched_lookahead): Use zero for niagara.
7857 (sparc_issue_rate): Use one for niagara.
7858 * config/sparc/niagara.md: New file.
7859 * config/sparc/sparc.md: Include it.
7860 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7861 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7862 when default cpu is niagara.
7863 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7864 (ASM_CPU_SPEC): Likewise.
7865 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7866 when default cpu is niagara.
7867 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7868 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7869 just like v9/ultrasparc/ultrasparc3.
7870 * doc/invoke.texi: Add documentation for "niagara" and improve
7871 existing documentation for ultrasparc variants.
7873 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7875 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7877 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7879 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7880 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7881 and say that only one is needed.
7882 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7883 * target.h (have_switchable_bss_sections): New hook.
7884 * explow.c (use_anchored_address): Check that the symbol is in a block.
7885 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7886 (bss_noswitch_section): New variables.
7887 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7888 (get_noswitch_section): New function.
7889 (get_block_for_section): Allow SECT to be null.
7890 (unlikely_text_section_p): Use SECTION_STYLE.
7891 (bss_initializer_p): New function.
7892 (get_variable_section): Move earlier in file. Take a new argument,
7893 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7894 Return one of the new *_sections in such cases.
7895 (get_block_for_decl): New function, extracting some logic from
7896 use_blocks_for_decl_p.
7897 (change_symbol_section): Remove in favor of...
7898 (change_symbol_block): ...this new function.
7899 (use_blocks_for_decl_p): Remove checks now performed by
7901 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7902 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7903 (emit_local, emit_bss, emit_common): ...these new functions.
7904 Return true if the alignment was honored.
7905 (emit_tls_common): New function.
7906 (asm_emit_uninitialised): Delete.
7907 (assemble_variable_noswitch): New function, split out from...
7908 (assemble_variable): ...here. Don't make decisions about common
7909 variables here. Globalize all public decls that go into non-common
7910 sections. Check whether SYMBOL_REF_BLOCK is null.
7911 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7912 (output_constant_pool): Likewise.
7913 (init_varasm_once): Initialize the new section variables.
7914 (have_global_bss_p): New function.
7915 (categorize_decl_for_section): Use bss_initializer_p.
7916 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7917 (place_block_symbol): Assert that the symbol must be in a block.
7918 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7919 (TARGET_INITIALIZER): Include it.
7920 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7921 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7922 (SECTION_MACH_DEP): Bump by two.
7923 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7924 (unnamed_section): Mention SECTION_UNNAMED in comment.
7925 (named_section): Likewise SECTION_NAMED.
7926 (noswitch_section_callback): New type.
7927 (noswitch_section): New structure.
7928 (section): Add a noswitch_section alternative.
7929 (SECTION_STYLE): New macro.
7930 (tls_comm_section, comm_section, lcomm_section): Declare.
7931 (bss_noswitch_section, have_global_bss_p): Declare.
7932 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7933 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7935 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7936 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7939 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7941 * tree-vrp.c (execute_vrp): Return value.
7942 * regrename.c (rest_of_handle_regrename): Ditto.
7943 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7944 * tree-complex.c (tree_lower_complex): Ditto.
7945 (tree_lower_complex_O0): Ditto.
7946 * tracer.c (rest_of_handle_tracer): Ditto.
7947 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7948 * postreload.c (rest_of_handle_postreload): Ditto.
7949 * tree-tailcall.c (execute_tail_recursion): Ditto.
7950 (execute_tail_calls): Ditto.
7951 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7952 * tree.h (init_function_for_compilation): Ditto.
7953 * ipa-cp.c (ipcp_driver): Ditto.
7954 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7955 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7956 * final.c (compute_alignments): Ditto.
7957 (rest_of_handle_final): Ditto.
7958 (rest_of_handle_shorten_branches): Ditto.
7959 (rest_of_clean_state): Ditto.
7960 * omp-low.c (execute_expand_omp): Ditto.
7961 (execute_lower_omp): Ditto.
7962 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7963 * ipa-reference.c (static_execute): Ditto.
7964 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7965 * reorg.c (rest_of_handle_delay_slots): Ditto.
7966 (rest_of_handle_machine_reorg): Ditto.
7967 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7968 * flow.c (recompute_reg_usage): Ditto.
7969 (rest_of_handle_remove_death_notes): Ditto.
7970 (rest_of_handle_life): Ditto.
7971 (rest_of_handle_flow2): Ditto.
7972 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7973 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7974 (do_ssa_store_ccp): Ditto.
7975 (execute_fold_all_builtins): Ditto.
7976 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7977 * modulo-sched.c (rest_of_handle_sms): Ditto.
7978 * ipa-pure-const.c (static_execute): Ditto.
7979 * cse.c (rest_of_handle_cse): Ditto.
7980 (rest_of_handle_cse2): Ditto.
7981 * web.c (rest_of_handle_web): Ditto.
7982 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7983 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7984 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7985 * tree-nrv.c (tree_nrv): Ditto.
7986 (execute_return_slot_opt): Ditto.
7987 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7988 (create_structure_vars): Ditto.
7989 * loop-init.c (rtl_loop_init): Ditto.
7990 (rtl_loop_done): Ditto.
7991 (rtl_move_loop_invariants): Ditto.
7992 (rtl_unswitch): Ditto.
7993 (rtl_unroll_and_peel_loops): Ditto.
7994 (rtl_doloop): Ditto.
7995 * gimple-low.c (lower_function_body): Ditto.
7996 (mark_used_blocks): Ditto.
7997 * tree-ssa-sink.c (execute_sink_code): Ditto.
7998 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7999 (cgraph_early_inlining): Ditto.
8000 * global.c (rest_of_handle_global_alloc): Ditto.
8001 * jump.c (cleanup_barriers): Ditto.
8002 (purge_line_number_notes): Ditto.
8003 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8004 (rest_of_handle_if_after_reload): Ditto.
8005 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8006 (tree_ssa_loop_im): Ditto.
8007 (tree_ssa_loop_unswitch): Ditto.
8008 (tree_vectorize): Ditto.
8009 (tree_linear_transform): Ditto.
8010 (tree_ssa_loop_ivcanon): Ditto.
8011 (tree_ssa_empty_loop): Ditto.
8012 (tree_ssa_loop_bounds): Ditto.
8013 (tree_complete_unroll): Ditto.
8014 (tree_ssa_loop_prefetch): Ditto.
8015 (tree_ssa_loop_ivopts): Ditto.
8016 (tree_ssa_loop_done): Ditto.
8017 * predict.c (tree_estimate_probability): Ditto.
8018 * recog.c (split_all_insns_noflow): Ditto.
8019 (rest_of_handle_peephole2): Ditto.
8020 (rest_of_handle_split_all_insns): Ditto.
8021 * tree-eh.c (lower_eh_constructs): Ditto.
8022 * regmove.c (rest_of_handle_regmove): Ditto.
8023 (rest_of_handle_stack_adjustments): Ditto.
8024 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8025 * function.c (instantiate_virtual_regs): Ditto.
8026 (init_function_for_compilation): Ditto.
8027 (rest_of_handle_check_leaf_regs): Ditto.
8028 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8029 (rest_of_handle_gcse): Ditto.
8030 * ipa-type-escape.c (type_escape_execute): Ditto.
8031 * alias.c (rest_of_handle_cfg): Ditto.
8032 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8033 * profile.c (rest_of_handle_branch_prob): Ditto.
8034 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8035 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8036 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8037 * tree-dfa.c (find_referenced_vars): Ditto.
8038 * except.c (set_nothrow_function_flags): Ditto.
8039 (convert_to_eh_region_ranges): Ditto.
8040 (rest_of_handle_eh): Ditto.
8041 * emit-rtl.c (unshare_all_rtl): Ditto.
8042 (remove_unnecessary_notes): Ditto.
8043 * except.h (set_nothrow_function_flags): Ditto.
8044 (convert_to_eh_region_ranges): Ditto.
8045 * cfgexpand.c (tree_expand_cfg): Ditto.
8046 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8047 * tree-ssa-pre.c (do_pre): Ditto.
8048 (execute_fre): Ditto.
8049 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8050 (rest_of_handle_jump2): Ditto.
8051 * tree-sra.c (tree_sra): Ditto.
8052 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8053 (execute_mudflap_function_decls): Ditto.
8054 * tree-ssa-copy.c (do_copy_prop): Ditto.
8055 (do_store_copy_prop): Ditto.
8056 * ipa-prop.h (ipcp_driver): Ditto.
8057 * cfglayout.c (insn_locators_initialize): Ditto.
8058 * tree-ssa-forwprop.c
8059 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8060 * cfglayout.h (insn_locators_initialize): Ditto.
8061 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8062 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8063 (execute_late_warn_uninitialized): Ditto.
8064 * rtl.h (cleanup_barriers): Ditto.
8065 (split_all_insns_noflow): Ditto.
8066 (purge_line_number_notes): Ditto.
8067 (unshare_all_rtl): Ditto.
8068 (remove_unnecessary_notes): Ditto.
8069 (recompute_reg_usage): Ditto.
8070 (variable_tracking_main): Ditto.
8071 * integrate.c (emit_initial_value_sets): Ditto.
8072 * integrate.h (emit_initial_value_sets): Ditto.
8073 * tree-optimize.c (execute_free_datastructures): Ditto
8074 (execute_free_cfg_annotations): Ditto.
8075 (execute_fixup_cfg): Ditto.
8076 (execute_cleanup_cfg_pre_ipa): Ditto.
8077 (execute_cleanup_cfg_post_optimizing): Ditto.
8078 (execute_init_datastructures): Ditto.
8079 * tree-object-size.c (compute_object_sizes): Ditto.
8080 * combine.c (rest_of_handle_combine): Ditto.
8081 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8082 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8083 (rest_of_handle_reorder_blocks): Ditto.
8084 (rest_of_handle_partition_blocks): Ditto.
8085 * var-tracking.c (variable_tracking_main): Ditto.
8086 * tree-profile.c (tree_profiling): Ditto.
8087 * tree-vect-generic.c (expand_vector_operations): Ditto.
8088 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8089 * sched-rgn.c (rest_of_handle_sched): Ditto.
8090 (rest_of_handle_sched2): Ditto.
8091 * basic-block.h (free_bb_insn): Ditto.
8092 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8093 * tree-cfg.c (execute_build_cfg): Ditto.
8094 (remove_useless_stmts): Ditto.
8095 (split_critical_edges): Ditto.
8096 (execute_warn_function_return): Ditto.
8097 (execute_warn_function_noreturn): Ditto.
8098 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8099 * cfgrtl.c (free_bb_for_insn): Ditto.
8100 * passes.c (execute_one_pass): Run additional
8101 todos returned by execute function.
8102 * tree-pass.h (struct tree_opt_pass): Make execute
8105 2006-03-02 Richard Guenther <rguenther@suse.de>
8107 * tree-ssa-alias.c (find_used_portions): Consider taking
8108 the address as making the variable not write-only.
8110 2006-03-02 Nick Clifton <nickc@redhat.com>
8112 * config.gcc (default_use_cxa_atexit): Extend the description of
8113 this configure variable. Set its default value to "yes" for
8114 Linux, NetBSD and ELF targets on the assumption that they will
8115 use C libraries with the __cxa_atexit function.
8117 2006-03-02 Ben Elliston <bje@au.ibm.com>
8119 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8120 parameter as unused to suppress a build warning.
8122 2006-03-02 Ben Elliston <bje@au.ibm.com>
8124 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8127 2006-03-01 Roger Sayle <roger@eyesopen.com>
8130 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8131 declared name, the weak reference name, and the typeof name.
8132 (__gthrw): Avoid expanding the declared name suffix.
8133 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8135 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8137 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8139 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8140 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8141 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8142 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8143 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8144 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8145 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8146 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8147 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8148 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8149 (DW_END_default, DW_END_big, DW_END_little): New.
8150 (DW_END_lo_user, DW_END_hi_user): Define.
8151 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8152 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8153 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8156 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8158 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8160 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8162 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8164 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8166 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8167 to 'symbol_mem_tag'.
8169 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8172 2006-03-01 Roger Sayle <roger@eyesopen.com>
8174 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8176 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8179 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8180 MACHO_DYNAMIC_NO_PIC_P.
8181 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8183 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8186 * config/darwin-protos.h (darwin_asm_output_anchor):
8188 * config/darwin-sections.def (cstring_section):
8189 Add SECTION_MERGE to the flags.
8190 (literal4_section): Likewise.
8191 (literal8_section): Likewise.
8192 (objc_selector_refs_section): Likewise.
8193 (objc_cls_refs_section): Likewise.
8194 * config/darwin.c (darwin_asm_output_anchor): New
8196 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8198 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8200 Fix PR tree-optimization/26443
8201 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8202 to todo and PROP_tmt_usage to properties_destroyed.
8203 * tree-ssa-ccp.c (pass_ccp): Ditto.
8204 (pass_store_ccp): Ditto.
8205 * tree-ssa-dom.c (pass_dominator): Ditto.
8207 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8209 * tree-ssa-operands.c: Cleanup whitespace.
8210 (get_asm_expr_operands): Move before first invocation.
8211 (get_indirect_ref_operands): Likewise.
8212 (get_tmr_operands): Likewise.
8213 (get_call_expr_operands): Likewise.
8214 (append_def): Likewise.
8215 (append_use): Likewise.
8216 (append_v_may_def): Likewise.
8217 (append_v_must_def): Likewise.
8218 (add_call_clobber_ops): Likewise.
8219 (add_call_read_ops): Likewise.
8220 (add_stmt_operand): Likewise.
8221 (add_virtual_operand): Likewise.
8222 (build_ssa_operands): Likewise.
8224 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8229 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8230 with a call expr to ...
8231 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8233 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8235 * tree-vrp.c (extract_range_from_assert): Remove special
8236 handling for types with super-types.
8238 2006-03-01 Ben Elliston <bje@au.ibm.com>
8240 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8241 and powerpc64-*-linux* configurations.
8242 * config/t-dfprules: New file.
8244 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8245 Compile dfp-bit.c from the source directory using -DWIDTH and
8246 $DFP_CFLAGS to control the compilation of that file, rather than
8247 generating width-specific versions in the build directory.
8248 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8249 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8251 2006-02-28 Zack Weinberg <zackw@panix.com>
8253 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8256 2006-02-28 Eric Christopher <echristo@apple.com>
8258 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8259 Set up IN_LIBGCC definition of TARGET_64BIT.
8260 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8262 2006-02-28 Roger Sayle <roger@eyesopen.com>
8265 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8266 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8267 cases via the construction of "expr != 0".
8269 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8271 * alias.c (alias_invariant, alias_invariant_size): Remove.
8272 (record_base_value): Remove.
8273 (memrefs_conflict_p): Don't look at alias_invariant.
8274 (end_alias_analysis): Don't free it.
8275 * alias.h (record_base_value): Remove prototype.
8277 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8278 Adam Nemet <anemet@caviumnetworks.com>
8280 * rtl.h (truncated_to_mode): Declare it.
8281 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8282 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8283 (RTL_HOOKS_INITIALIZER): Include it.
8284 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8285 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8286 reg_truncated_to_mode.
8287 * rtlanal.c (truncated_to_mode): Define it.
8288 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8290 2006-02-28 Jeff Law <law@redhat.com>
8292 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8293 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8294 the range allowed by TYPE_PRECISION.
8296 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8298 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8300 PR tree-optimization/26419
8301 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8304 2006-02-27 Zack Weinberg <zackw@panix.com>
8306 * doc/md.texi: Fix typo in previous change.
8308 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8312 2006-02-27 Zack Weinberg <zackw@panix.com>
8314 * rtl.def (define_constraint, define_register_constraint)
8315 (define_memory_constraint, define_address_constraint): New MD forms.
8316 * gensupport.c (process_rtx): Put define_constraint etc on the
8318 * genpreds.c (process_define_predicate): Adjust comment. Validate
8319 the name, and call validate_exp to validate the expression.
8320 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8321 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8322 all callers changed.
8323 (validate_exp, needs_variable, struct constraint_data)
8324 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8325 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8326 (const_dbl_constraints, constraint_max_namelen)
8327 (have_register_constraints, have_memory_constraints)
8328 (have_address_constraints, have_address_constraints)
8329 (have_extra_constraints, have_const_int_constraints)
8330 (have_const_dbl_constraints, mangle, add_constraint)
8331 (process_define_constraint, process_define_register_constraint)
8332 (write_enum_constraint_num, write_lookup_constraint)
8333 (write_insn_constraint_len, write_regclass_for_constraint)
8334 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8335 (write_insn_extra_memory_constraint)
8336 (write_insn_extra_address_constraint)
8337 (write_satisfies_constraint_fns): New.
8338 (write_tm_preds_h): If we have new-style constraint definitions,
8339 prototype the functions generated from them, and define the
8340 old constraint interface (still used by generic code) in terms of
8342 (write_insn_preds_c): If we have new-style constraint definitions,
8343 generate all relevant functions from those definitions.
8344 (main): Handle define_constraint etc.
8345 * genoutput.c (struct constraint_data, indep_constraints)
8346 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8347 (mdep_constraint_len): New data structures and functions, defined
8348 #ifdef USE_MD_CONSTRAINTS.
8349 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8350 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8351 use new logic to validate operand constraints against constraint
8353 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8355 * defaults.h: If none of the old-style constraint macros are
8356 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8357 old-style macros; and poison REG_CLASS_FROM_LETTER,
8358 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8360 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8361 * doc/md.texi: Document new constraint-definition mechanism and the
8362 C interface it provides. Remove references to old mechanism
8363 elsewhere in the document.
8364 (Machine Constraints): Use pathnames relative to gcc directory,
8365 i.e. config/ARCH/FILE. Change i386 section to refer to
8366 config/i386/predicates.md; update that section to match docstrings.
8367 * doc/tm.texi: Move all documentation of the old constraint-
8368 definition macros to their own section, clearly mark as obsolete.
8370 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8371 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8373 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8374 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8375 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8377 (splits and peepholes): Use satisfies_constraint_*.
8378 * config/i386/i386.c (memory_address_length)
8379 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8381 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8383 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8384 scalar operation to be put back into the loop.
8386 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8389 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8390 (extract_cie_info): Handle S flag in augmentation string.
8391 (execute_cfa_program): If context->signal_frame, execute also
8392 fs->pc == context->ra instructions.
8393 (uw_frame_state_for): If context->signal_frame, don't subtract one
8394 from context->ra to find FDE.
8395 (uw_update_context_1): Set context->signal_frame to
8397 (_Unwind_GetIPInfo): New function.
8398 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8399 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8401 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8402 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8403 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8404 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8405 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8406 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8407 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8408 x86_64_fallback_frame_state): Set fs->signal_frame.
8409 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8410 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8411 (frob_update_context): Likewise. Workaround missing S flag in
8412 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8413 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8414 Remove the psw_addr + 1 hack.
8416 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8418 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8419 with aggregates here.
8420 (find_func_aliases): Remove code for &<aggregate> from here.
8422 2006-02-26 Roger Sayle <roger@eyesopen.com>
8424 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8425 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8426 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8429 2006-02-26 Roger Sayle <roger@eyesopen.com>
8432 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8434 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8436 * opts.c (decode_options): Do not handle flag_strength_reduce.
8437 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8438 and OPT_fstrength_reduce.
8439 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8440 flag_prefetch_loop_arrays for being nonzero.
8441 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8443 (fprefetch-loop-arrays-rtl): Removed.
8444 (flag_prefetch_loop_arrays): Do not specify the value.
8446 * doc/passes.texi: Update documentation of loop optimizer
8448 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8449 -frerun-loop-opt): Remove.
8451 2006-02-26 Richard Guenther <rguenther@suse.de>
8453 PR tree-optimization/26421
8454 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8455 in function calls that are ADDR_EXPRs as using the whole structure.
8457 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8459 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8460 * tree-pass.h (pass_loop_optimize): Remove.
8461 * passes.c (pass_loop_optimize): Never run it.
8462 * toplev.c (backend_init): Don't call init_loop.
8463 * opts.c (flag_loop_optimize_set): Remove.
8464 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8465 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8466 the old RTL loop optimizer when profiling enabled.
8467 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8468 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8469 pre-headers for the sake of the old RTL loop optimizer.
8470 * Makefile.in: Remove all references to loop.o.
8472 * doc/invoke.texi: Remove all references to -floop-optimize
8473 and -frerun-loop-opt.
8475 2006-02-26 Zack Weinberg <zackw@panix.com>
8477 * doc/md.texi (Machine Constraints): Refer to all files with paths
8478 relative to gcc directory (i.e. config/CPU/file). Add missing
8479 @table @code ... @end table to M32C subsection.
8481 2006-02-26 Roger Sayle <roger@eyesopen.com>
8483 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8485 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8487 2006-02-26 Roger Sayle <roger@eyesopen.com>
8488 James A. Morrison <phython@gcc.gnu.org>
8491 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8492 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8493 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8494 signedness of the shift operation.
8496 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8498 PR tree-optimization/26359
8499 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8501 2006-02-25 Roger Sayle <roger@eyesopen.com>
8503 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8504 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8505 as X == 0, and some symmetry related transformations.
8506 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8508 2006-02-25 Roger Sayle <roger@eyesopen.com>
8511 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8512 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8513 symmetry related transformations. Fold (X^C1) == C2 as
8516 2006-02-25 Juergen Weigert <jw@suse.de>
8517 Richard Guenther <rguenther@suse.de>
8519 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8521 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8523 * combine.c (gen_lowpart_or_truncate): Call
8524 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8526 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8528 * doc/invoke.texi: Move -fopenmp description to "Options for
8530 Remove reference to -lgomp.
8532 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8534 * doc/install.texi: Require GNU tar version 1.14.
8536 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8538 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8539 * doc/invoke.texi (C++ Dialect Options): Document
8540 -fno-use-cxa-get-exception-ptr.
8541 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8542 * configure: Regenerate.
8543 * c.opt (fuse-cxa-get-exception-ptr): New.
8544 * c-opts.c (c_common_handle_option): Handle
8545 OPT_fuse_cxa_get_exception_ptr.
8546 * c-common.c (flag_use_cxa_atexit): Update documentation.
8547 (flag_use_cxa_get_exception_ptr): New.
8548 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8549 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8551 (C_COMMON_OVERRIDE_OPTIONS): New.
8553 2006-02-24 Roger Sayle <roger@eyesopen.com>
8556 * combine.c (try_combine): Explicitly check whether GET_CODE is
8557 a SET or a CLOBBER, instead on checking that it isn't a USE.
8559 2006-02-24 Roger Sayle <roger@eyesopen.com>
8561 * fold-const.c (fold_comparison): New subroutine of fold_binary
8562 containing transformations common to both the equality and
8563 ordering relational operators, factored out of fold_binary.
8564 (fold_binary): Separate out the equality operators (EQ_EXPR
8565 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8566 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8567 transformations common to both.
8568 (fold_div_compare): Fix latent bugs in the previously unreachable
8569 LT_EXPR and GE_EXPR cases.
8571 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8573 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8574 decl libname for clog to __clog on AIX.
8576 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8578 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8581 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8582 output traceback table for thunks. Localise rs6000_stack_info call.
8584 2006-02-23 Roger Sayle <roger@eyesopen.com>
8585 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8587 * gthr-posix.h (__gthrw): Fix typo in comment.
8589 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8591 * doc/cpp.texi (Character sets): Document that we do support
8592 input files to be in any character set.
8594 2006-02-23 Jeff Law <law@redhat.com>
8596 * tree.h (PHI_ARG_NONZERO): Remove.
8597 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8598 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8599 node to the new node.
8601 PR tree-optimization/26425
8602 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8603 min/max, then assume its varying.
8605 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8607 PR rtl-optimization/26316
8608 * rtlanal.c (enum may_trap_p_flags): New.
8609 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8610 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8611 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8612 (may_trap_after_code_motion_p): New function.
8613 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8614 (find_invariant_insn): Use may_trap_after_code_motion_p.
8615 * rtl.h (may_trap_after_code_motion_p): Declare.
8617 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8619 * emit-rtl.c (immed_double_const): Cleanup.
8621 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8623 Fix PR tree-optimization/26376
8624 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8627 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8630 * gimplify.c (omp_add_variable): Guard variable size decl test with
8631 DECL_SIZE (decl) check.
8633 2006-02-23 Richard Guenther <rguenther@suse.de>
8636 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8637 like aggregate types.
8639 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8641 * configure.ac: Add --with{,out}-long-double-128 configure option.
8642 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8643 * configure: Rebuilt.
8644 * config.in: Rebuilt.
8645 * doc/install.texi (Options specification): Document
8646 --with-long-double-128.
8648 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8649 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8650 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8651 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8653 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8655 * config/s390/s390.c (override_options): Handle
8656 TARGET_DEFAULT_LONG_DOUBLE_128.
8658 * config/alpha/alpha.c (override_options): Handle
8659 TARGET_DEFAULT_LONG_DOUBLE_128.
8661 * config/sparc/sparc.c (sparc_override_options): Handle
8662 TARGET_DEFAULT_LONG_DOUBLE_128.
8664 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8666 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8667 (real-install-headers-tar, real-install-headers-cpio)
8668 (real-install-headers-cp): New targets.
8670 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8672 * tree.h (variable_section): Delete.
8673 * varasm.c (variable_section): Delete.
8675 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8677 * install.texi: Add notes on install.texi2html.
8678 (Building in parallel): Do not use footnotes.
8680 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8683 * doc/install.texi (Configuration): Document --disable-libgomp.
8685 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8687 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8689 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8691 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8692 (vec_extractv2df_0_sse): New.
8694 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8696 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8697 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8698 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8699 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8700 to the result of the expression.
8701 (def_cfa_1): Adjust.
8702 (frame_pointer_cfa_offset): Rename to...
8703 (frame_pointer_fb_offset): ... this. Adjust all uses.
8704 (convert_cfa_to_loc_list): Rename to...
8705 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8706 Pass it on to build_cfa_loc.
8707 (compute_frame_pointer_to_cfa_displacement): Rename to...
8708 (compute_frame_pointer_to_fb_displacement): ... this. New
8709 offset parameter. Use it in computation.
8710 (gen_subprogram_die): Compute cfa_fb_offset with the new
8711 macro, and use it to compute the fb loc list and the
8714 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8716 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8717 replaced with register_operand.
8718 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8719 non-DREG is expensive.
8720 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8721 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8724 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8726 * doc/install.texi2html: Use set -e.
8728 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8730 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8731 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8732 * doc/invoke.texi (-fshared-data): Delete.
8733 * common.opt (fshared-data): Delete.
8734 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8735 (assemble_static_space): Remove #if 0 code.
8736 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8737 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8738 * config/cris/cris.h: Remove FIXME.
8740 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8742 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8745 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8748 * combine.c (simplify_shift_const_1): Disable nested shifts
8749 optimization for vector shifts.
8751 2006-02-20 Roger Sayle <roger@eyesopen.com>
8753 PR tree-optimization/26361
8754 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8755 of unsigned integer types.
8757 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8759 * tree-chrec.c (eq_evolutions_p): New.
8760 * tree-chrec.h (eq_evolutions_p): Declared.
8761 * tree-data-ref.c: Fix formatting.
8762 (datadep_stats, dependence_stats): New.
8764 (print_direction_vector): New.
8765 (dump_data_dependence_relation): Use print_direction_vector.
8766 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8767 (compute_subscript_distance): Static.
8768 (initialize_data_dependence_relation): Static. Get the number
8769 of loops surrounding the references from the callers, and initialize
8770 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8771 base_object_differ_p analyzers.
8772 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8773 compute_overlap_steps_for_affine_1_2,
8774 analyze_subscript_affine_affine): Count the classified dependences.
8775 Print a message when a test failed.
8776 (can_use_analyze_subscript_affine_affine): New.
8777 (analyze_siv_subscript): Compute the data dependences on symbolic
8778 scevs that verify can_use_analyze_subscript_affine_affine.
8779 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8780 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8781 Handle symbolic scevs.
8782 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8784 (subscript_dependence_tester): Moved...
8785 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8786 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8787 DDR_SIZE_VECT instead of getting it in parameter.
8788 (subscript_dependence_tester): ... here. Take as a parameter
8789 loop_nest_depth. Call build_classic_dist_vector and
8790 build_classic_dir_vector.
8791 (compute_affine_dependence): Update subscript_dependence_tester
8792 parameters. Update datadep_stats counters. Call
8793 compute_subscript_distance.
8794 (compute_self_dependence): Save the dist and dir vectors. Call
8795 compute_subscript_distance.
8796 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8797 (compute_all_dependences): Reorder parameters as they were before
8798 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8799 compute_subscript_distance. Update the use of
8800 compute_affine_dependence and initialize_data_dependence_relation.
8801 (find_data_references_in_loop): Handle COMPONENT_REF.
8802 (compute_data_dependences_for_loop): Initialize dependence_stats.
8803 Don't call build_classic_dist_vector and build_classic_dir_vector.
8804 Update the parameters of initialize_data_dependence_relation and
8805 compute_all_dependences. Print the statistics from datadep_stats.
8806 (analyze_all_data_dependences): Static. Not used until the pass for
8807 checking the data dependences is contributed.
8808 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8809 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8810 (initialize_data_dependence_relation, compute_affine_dependence,
8811 analyze_all_data_dependences, compute_subscript_distance): Removed.
8812 (print_direction_vector): New.
8813 * lambda.h (gcd): ... here.
8814 (lambda_vector_gcd): Moved here from gcd_vector.
8815 * lambda-code.c (gcd, gcd_vector): Removed.
8816 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8817 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8819 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8821 * ipa-type-escape.c: Tidy some comments and white space.
8822 * tree-ssa-operands.c: Likewise.
8824 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8827 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8828 (dump_decl_name): Do not walk the decl tree chains.
8829 * tree-pass.h (TDF_CHAIN): Remove.
8831 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8833 * Makefile.in (C): Remove
8835 (.PHONY): Remove C and PROTO
8837 2006-02-20 Roger Sayle <roger@eyesopen.com>
8840 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8841 deprecated CHAR_TYPE tree code.
8843 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8845 * configure.ac (target_list): Add install-info, dvi, html.
8846 * configure: Regenerate.
8848 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8849 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8850 treelang/Make-lang.in: Do not use double-colon rules.
8852 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8854 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8855 (TMT_USED_ALONE): New macro.
8856 * tree-pass.h (PROP_tmt_usage): New property.
8857 (TODO_update_tmt_usage): New todo.
8858 * tree-ssa-alias.c (updating_used_alone): New variable.
8859 (recalculate_used_alone): New function.
8860 (compute_may_aliases): Set updating_used_alone, call
8861 recalculate_used_alone.
8862 * tree-sra.c (pass_sra): Note that this pass destroys
8863 PROP_tmt_usage, and add TODO_update_tmt_usage.
8864 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8865 * tree-flow.h (updating_used_alone): Prototype.
8866 (recalculate_used_alone): Ditto.
8867 * passes.c (execute_todo): Add code to set updating_used_alone,
8868 and call recalculate.
8869 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8870 for clobber if used alone, and add assert to verify used_alone
8873 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8875 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8876 for non tls symbols added.
8877 (legitimize_address): Do nothing for PLUS expressions if one of the
8878 addends is a tls symbol reference.
8880 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8884 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8886 * Makefile.in (BOOTSTRAPPING): New.
8887 (quickstrap): New definition if BOOTSTRAPPING=yes.
8889 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8890 * configure.ac: Substitute all_selected_languages with the languages
8891 that were configured. For all the other variables except
8892 lang_specs_files, include all the languages in the tree.
8893 * configure: Regenerate.
8895 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8896 if there is one. Run the commands to run fixincludes in the same
8899 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8900 * doc/install.texi: Document exact conventions for searching target tools.
8901 Document --with-build-time-tools. Document toplevel bootstrap. Document
8902 something more about building an Ada cross-compiler. Don't list GNU Make
8903 requirements which affect all platforms.
8905 2006-02-19 Roger Sayle <roger@eyesopen.com>
8908 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8909 only equivalent if the have both the same mode and precision.
8911 2006-02-20 Ben Elliston <bje@au.ibm.com>
8913 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8915 2006-02-19 Roger Sayle <roger@eyesopen.com>
8916 Steven Bosscher <stevenb.gcc@gmail.com>
8918 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8919 constant pool references to identify stack mode constants.
8920 * rtlanal.c (constant_pool_constant_p): New predicate to check
8921 whether operand is a floating point constant in the pool.
8922 * rtl.h (constant_pool_constant_p): Prototype here.
8923 * loop.c (scan_loop): Avoid hoisting constants from the constant
8924 pool on STACK_REGS targets.
8925 (load_mems): Likewise.
8926 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8927 loads into x87 registers expensive in terms of register pressure.
8929 2006-02-19 Roger Sayle <roger@eyesopen.com>
8931 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8932 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8934 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8936 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8937 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8939 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8941 * doc/invoke.texi: Document -fipa-pta.
8942 * common.opt: Add ipa-pta option.
8943 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8944 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8945 (do_ds_constraint): Ditto.
8946 (get_constraint_for): Only add to referenced_vars if
8947 referenced_vars exists.
8948 (insert_into_field_list): Rewrite to do this unsorted.
8949 (insert_into_field_list_sorted): Rename old insert_into_field_list
8951 (create_function_info_for): Use insert_into_field_list_sorted.
8952 (create_variable_info_for): Rewrite so it uses unsorted version,
8953 since the field list is sorted.
8954 (intra_create_variable_infos): Only add to referenced_vars if
8955 referenced_vars exists.
8956 (ipa_pta_execute): Init heapvars, and delete when done.
8957 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8959 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8961 * doc/install.texi: Add missing `@samp'.
8963 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8965 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8968 2006-02-18 Mark Wielaard <mark@klomp.org>
8970 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8971 who added new 4.1 features, bug fixes and integration support.
8973 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8976 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8979 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8981 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8982 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8983 (copy_insn_1): Likewise. Don't copy each field individually.
8985 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8987 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8988 * rtl.c (rtx_size): Rename variable to...
8989 (rtx_code_size): ...this.
8990 (rtx_size): New function.
8991 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8992 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8994 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8995 * rtl.h (rtx_code_size): New variable.
8996 (rtx_size): Change from a variable to a function.
8997 (RTX_SIZE): Rename to...
8998 (RTX_CODE_SIZE): ...this.
9001 PR tree-optimization/17106
9002 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9003 (Anchored Addresses): New section.
9004 * doc/invoke.texi (-fsection-anchors): Document.
9005 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9006 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9007 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9008 * hooks.c (hook_bool_mode_rtx_false): New function.
9009 * hooks.h (hook_bool_mode_rtx_false): Declare.
9010 * gengtype.c (create_optional_field): New function.
9011 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9012 SYMBOL_REF_IN_BLOCK_P is true.
9013 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9014 (min_anchor_offset, max_anchor_offset): Likewise.
9015 (use_anchors_for_symbol_p): New hook.
9016 * toplev.c (compile_file): Call output_object_blocks.
9017 (target_supports_section_anchors_p): New function.
9018 (process_options): Check that -fsection-anchors is only used on
9019 targets that support it and when -funit-at-a-time is in effect.
9020 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9021 if the decl doesn't have one.
9022 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9023 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9024 of force_const_mem through use_anchored_address.
9025 (expand_expr_constant): New function.
9026 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9027 calling expand_expr for INDIRECT_REF.
9028 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9029 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9030 * expr.h (use_anchored_address): Declare.
9031 * loop-unroll.c: Don't declare rtx vectors here.
9032 * explow.c: Include output.h.
9033 (validize_mem): Call use_anchored_address.
9034 (use_anchored_address): New function.
9035 * common.opt (-fsection-anchors): New switch.
9036 * varasm.c (object_block_htab, anchor_labelno): New variables.
9037 (hash_section, object_block_entry_eq, object_block_entry_hash)
9038 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9039 (use_blocks_for_decl_p, change_symbol_section): New functions.
9040 (get_variable_section): New function, split out from assemble_variable.
9041 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9042 use_blocks_for_decl_p say so. Use change_symbol_section if the
9043 symbol has already been created.
9044 (assemble_variable_contents): New function, split out from...
9045 (assemble_variable): ...here. Don't output any code for
9046 block symbols; just pass them to place_block_symbol.
9047 Use get_variable_section and assemble_variable_contents.
9048 (get_constant_alignment, get_constant_section, get_constant_size): New
9049 functions, split from output_constant_def_contents.
9050 (build_constant_desc): Create a block symbol if use_object_blocks_p
9051 says so. Or into SYMBOL_REF_FLAGS.
9052 (assemble_constant_contents): New function, split from...
9053 (output_constant_def_contents): ...here. Don't output any code
9054 for block symbols; just pass them to place_section_symbol.
9055 Use get_constant_section and get_constant_alignment.
9056 (force_const_mem): Create a block symbol if use_object_blocks_p and
9057 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9058 (output_constant_pool_1): Add an explicit alignment argument.
9059 Don't switch sections here.
9060 (output_constant_pool): Adjust call to output_constant_pool_1.
9061 Switch sections here instead. Don't output anything for block symbols;
9062 just pass them to place_block_symbol.
9063 (init_varasm_once): Initialize object_block_htab.
9064 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9065 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9066 (place_block_symbol, get_section_anchor, output_object_block)
9067 (output_object_block_htab, output_object_blocks): New functions.
9068 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9069 (TARGET_ASM_OUT): Include it.
9070 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9071 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9072 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9073 (TARGET_INITIALIZER): Include them.
9074 * rtl.c (rtl_check_failed_block_symbol): New function.
9075 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9076 (block_symbol, object_block): New structures.
9077 (rtx_def): Add a block_symbol field to the union.
9078 (BLOCK_SYMBOL_CHECK): New macro.
9079 (rtl_check_failed_block_symbol): Declare.
9080 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9081 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9082 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9083 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9084 * output.h (output_section_symbols): Declare.
9085 (object_block): Name structure.
9086 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9087 (default_use_anchors_for_symbol_p): Declare.
9088 * Makefile.in (RTL_BASE_H): Add vec.h.
9089 (explow.o): Depend on output.h.
9090 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9091 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9092 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9093 (rs6000_use_blocks_for_constant_p): New function.
9095 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9097 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9099 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9102 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9105 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9107 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9111 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9114 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9115 instead of DECL_REGISTER.
9117 2006-02-18 Olivier Hainque <hainque@adacore.com>
9120 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9122 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9125 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9126 * opth-gen.awk: Handle Var and InverseMask together.
9127 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9128 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9129 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9130 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9132 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9133 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9134 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9135 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9136 LINUX_DYNAMIC_LINKER): Define.
9137 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9138 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9140 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9141 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9142 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9143 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9144 (TARGET_C99_FUNCTIONS): Don't define.
9145 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9146 GLIBC_DYNAMIC_LINKER.
9147 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9148 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9149 GLIBC_DYNAMIC_LINKER64): Define.
9150 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9151 LINUX_DYNAMIC_LINKER64.
9152 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9153 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9154 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9155 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9156 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9157 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9158 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9159 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9160 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9161 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9162 and LINUX_DYNAMIC_LINKER32.
9163 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9164 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9165 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9166 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9167 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9169 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9170 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9171 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9172 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9173 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9174 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9175 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9176 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9177 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9178 LINUX_DYNAMIC_LINKER): Define.
9179 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9180 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9181 GLIBC_DYNAMIC_LINKER64): Define.
9182 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9183 LINUX_DYNAMIC_LINKER64.
9184 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9185 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9186 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9187 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9188 LINUX_DYNAMIC_LINKER): Define.
9189 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9190 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9191 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9192 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9193 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9194 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9195 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9196 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9197 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9198 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9199 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9200 * doc/invoke.texi (-muclibc): Remove caveat about supported
9203 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9205 * doc/cpp.texi (__TIMESTAMP__): Document.
9207 2006-02-17 Roger Sayle <roger@eyesopen.com>
9210 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9211 C is one less than the width of X (and related transformations).
9212 * simplify-rtx.c (simplify_unary_operation_1): Transform
9213 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9214 depending on STORE_FLAG_VALUE, were C is one less then the
9217 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9219 Fix PR tree-optimization/26341
9220 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9221 about NAME_MEMORY_TAG's.
9223 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9226 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9227 with hardware float support, and software float support. Add fcpy
9228 alternative to hardware patterns. Add alternatives to copy between
9229 general and floating-point registers to the 32-bit pattern.
9230 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9231 secondary reload to load a QI or HI mode constant into a floating
9233 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9234 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9236 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9239 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9241 (load_macho_picbase_di): Likewise.
9243 2006-02-16 Jeff Law <law@redhat.com>
9245 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9246 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9247 (ssa_name_nonzero_p): Likewise.
9248 (get_value_range): Return NULL if VRP is not running.
9249 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9250 VRP routines do not discover a range.
9251 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9252 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9253 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9254 (tree_expr_nonnegative_p): Similarly.
9255 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9256 (restore_nonzero_vars_to_original_value): Remove.
9257 (unsafe_associative_fp_binop): Remove.
9258 (tree_ssa_dominator_optimize): Remove initialization and
9259 finalization of nonzero_vars and nonzero_vars_stack.
9260 (dom_opt_initialize_block): No longer push marker on
9262 (dom_opt_finalize_block): No longer call
9263 restore_nonzero_vars_to_original_value.
9264 (record_equivalences_from_phis): No longer look for
9265 nonzero PHI arguments.
9266 (cprop_into_successor_phis): No longer propagate nonzero
9267 property into PHI arguments. Lose unused argument. Caller
9269 (record_equivalences_from_stmt): No longer record nonzero
9270 values for SSA_NAMEs.
9271 (lookup_avail_expr): No longer use nonzero_vars.
9273 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9274 for sizetype when sizetype is unsigned.
9276 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9278 PR rtl-optimization/25603
9279 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9280 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9281 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9282 with new meaning of SETS.
9284 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9289 * config/linux.opt: New file.
9290 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9291 LINUX_DYNAMIC_LINKER): Define.
9292 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9293 * config.gcc (*-*-linux*): Define extra_options.
9294 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9295 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9296 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9297 GLIBC_DYNAMIC_LINKER.
9298 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9299 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9300 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9301 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9302 * doc/invoke.texi (GNU/Linux Options): New section.
9304 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9306 * config/sparc/sparc.md (setjmp): Rewrite.
9307 (setjmp_32): Delete.
9308 (setjmp_64): Likewise.
9310 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9312 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9315 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9317 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9320 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9322 PR rtl-optimization/26296
9323 * Makefile.in (loop-invariant.c): Add except.h dependency.
9324 * loop-invariant.c: Include except.h.
9325 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9327 2005-02-16 Paul Brook <paul@codesourcery.com>
9329 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9332 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9334 PR rtl-optimization/25636
9335 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9336 when deciding whether an insn is an initializing insn.
9338 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9340 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9341 (tree_code_size): Ditto.
9342 * tree.h (struct tree_memory_tag): Remove parent_var.
9343 (struct tree_struct_field_tag): New.
9346 (union tree_node): Add sft member.
9347 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9349 (create_sft): Add size and offset argument, set SFT_OFFSET and
9351 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9352 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9353 * tree-flow-inline.h (get_subvar_at): Update for
9354 SFT_OFFSET/SFT_SIZE.
9355 (var_can_have_subvars): Ditto.
9356 (overlap_subvar): Ditto.
9357 * print-tree.c (print_node): Print out interesting things for
9359 * tree-flow.h (struct subvar): Remove offset and size members.
9360 * tree-ssa-operands.c (get_expr_operands): Update for
9361 get_indirect_ref_operands changes.
9362 (get_indirect_ref_operands): Call add_virtual_operand instead of
9363 add_stmt_operand. Only recurse on base var if requested.
9364 (access_can_touch_variable): New function.
9365 (add_stmt_operand): Split virtual operand handling into ...
9366 (add_virtual_operand): Here. Add offset, size, and for_clobber
9367 arguments. Prune alias sets.
9368 (add_call_clobber_ops): Call add_virtual_operand.
9370 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9373 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9375 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9376 than TREE_CODE as index into omp_clause_num_ops array.
9378 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9380 PR rtl-optimization/26184
9381 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9383 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9384 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9385 must_precede, must_follow and tobe_scheduled.
9388 * opts.c (common_handle_option): Free new_option pointer.
9389 * df-core.c (df_analyze): Free postorder pointer.
9391 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9393 * Makefile.in: Fix the examples about the use of stamps
9395 2006-02-15 Michael Matz <matz@suse.de>
9399 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9400 influenced by maximum_field_alignment or DECL_PACKED.
9401 (update_alignment_for_field): Ditto.
9402 (place_field): Ditto.
9403 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9406 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9408 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9409 (debug_flow_info): Pass it.
9410 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9411 * bb-reorder.c (reorder_basic_blocks): Likewise.
9412 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9413 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9414 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9415 * gcse.c (gcse_main, bypass_jumps): Likewise.
9416 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9417 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9418 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9419 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9420 * rtl.h (dump_flow_info): Adjust prototype.
9421 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9422 * var-tracking.c (variable_tracking_main): Likewise.
9423 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9424 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9427 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9429 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9432 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9434 PR tree-optimization/26209
9435 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9436 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9438 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9440 2006-02-14 Roger Sayle <roger@eyesopen.com>
9443 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9444 (X,Y) and the corresponding symmetry related transformations.
9445 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9446 (X,Y) and its symmetry related transformations.
9448 2006-02-14 Roger Sayle <roger@eyesopen.com>
9450 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9453 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9455 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9457 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9460 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9461 support COMDAT group.
9462 * configure: Regenerate.
9464 2006-02-14 Roger Sayle <roger@eyesopen.com>
9469 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9471 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9473 Fix PR tree-optimization/26260
9475 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9477 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9478 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9479 * tree-ssa-structalias.c (create_variable_info_for): Use
9480 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9482 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9484 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9486 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9487 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9488 of the ending condition.
9489 * tree-ssa-loop-manip.c: Include params.h.
9490 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9491 tree_unroll_loop): New functions.
9492 * tree-pass.h (pass_loop_prefetch): Declare.
9493 * loop.c (rest_of_handle_loop_optimize): Test for
9494 -fprefetch-loop-arrays-rtl.
9495 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9496 * timevar.def (TV_TREE_PREFETCH): New timevar.
9497 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9498 pass_loop_prefetch): New.
9499 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9500 (cleanup_tree_cfg_loop): Call scev_reset.
9501 * common.opt (fprefetch-loop-arrays-rtl): Add.
9502 * tree-ssa-loop-prefetch.c: New file.
9503 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9504 (new_temp_expr_table): Initialize expr_vars.
9505 (free_temp_expr_table): Cleanup expr_vars.
9506 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9507 expressions from being merged into one.
9508 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9509 (struct tree_niter_desc): Add control, bound and cmp fields.
9510 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9512 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9513 (tree-cfgcleanup.o): Add SCEV_H dependency.
9514 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9515 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9517 2006-02-14 Richard Guenther <rguenther@suse.de>
9519 PR tree-optimization/26258
9520 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9521 in PHI argument processing.
9523 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9525 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9526 new expression in the requested machine mode.
9528 2006-02-13 Roger Sayle <roger@eyesopen.com>
9530 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9531 directly, instead let do_compare_rtx_and_jump handle this for us.
9532 * expr.c (expand_expr_real_1): Likewise.
9533 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9534 before do_jump_by_parts_greater.
9535 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9536 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9538 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9540 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9542 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9544 PR rtl-optimization/26235
9545 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9546 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9549 2006-02-13 Jeff Law <law@redhat.com>
9551 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9554 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9557 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9558 twice if decl is a builtin. When trying again, call get_callee_fndecl
9559 first to verify it is still a builtin.
9561 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9563 * dwarf2out.c (base_type_die): Don't add AT_name here.
9564 (subrange_type_die): Don't add AT_name here.
9565 (modified_type_die): Rearrange code flow. Do add AT_name here.
9567 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9569 PR rtl-optimization/26247
9570 PR rtl-optimization/26248
9571 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9573 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9575 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9576 * config/fixtfdi.c: Likewise.
9577 * config/fixunstfdi.c: Likewise.
9578 * config/floatditf.c: Likewise.
9580 2006-02-13 Roger Sayle <roger@eyesopen.com>
9583 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9584 into (X,C2) if C1 is a subset of the bits of C2. Transform
9585 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9587 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9589 2006-02-13 Josh Conner <jconner@apple.com>
9592 * varasm.c (function_section): Check for section name before
9593 calling select_section on targets that define
9594 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9595 unlikely_text_section instead of hot_function_section if
9596 first_function_block_is_cold.
9598 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9601 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9603 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9605 PR rtl-optimization/26222
9606 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9607 after tree->rtl expansion.
9608 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9609 before passing it to emit_move_insn.
9611 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9613 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9615 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9616 Clarify documentation.
9617 * c-common.h (warn_write_strings): Remove.
9618 * c-common.c (warn_write_strings): Likewise.
9619 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9622 2006-02-12 Roger Sayle <roger@eyesopen.com>
9625 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9626 (do_jump_parts_zero_rtx): New function renamed from
9627 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9628 (do_jump_parts_equality_rtx): New function split out from
9629 do_jump_parts_equality. Old implementation renamed as above.
9630 Call do_jump_parts_zero_rtx if either operand is zero.
9631 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9632 do all of the heavy lifting.
9633 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9634 calling either do_jump_by_parts_greater_rtx or
9635 do_jump_by_parts_equality_rtx.
9636 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9637 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9638 moved to do_compare_rtx_and_jump, call it directly.
9639 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9640 mode argument. Call do_compare_rtx_and_jump.
9641 (emit_case_nodes): Update calls to do_jump_if_equal.
9643 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9645 PR rtl-optimization/26225
9646 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9648 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9650 PR rtl-optimization/26232
9651 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9653 2006-02-11 Jason Merrill <jason@redhat.com>
9656 * tree-inline.c (declare_return_variable): Just don't use the
9657 modify target if it's a gimple complex reg and the return slot
9660 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9662 * doc/contrib.texi: Update my entry.
9664 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9666 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9668 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9670 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9673 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9675 * doc/invoke.texi (-floop-optimize2): Removed.
9676 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9677 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9678 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9679 * common.opt (floop-optimize2): Removed.
9680 (fmove-loop-invariants): Enabled by default.
9682 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9684 * tree-if-conv.c (combine_blocks): Free the result of
9685 get_loop_exit_edges.
9687 2006-02-10 Jeff Law <law@redhat.com>
9689 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9691 PR tree-optimization/26213
9692 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9693 loop trying to follow SSA_NAME_VALUE chains.
9695 2006-02-10 Richard Guenther <rguenther@suse.de>
9697 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9698 deal with structures that end in implicitly variable sized arrays.
9700 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9702 PR rtl-optimization/24762
9703 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9706 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9708 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9709 (struct ivopts_data): Add regs_used field.
9710 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9711 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9712 instead of loop_data->regs_used;
9713 (free_loop_data): Do not free aux fields for loops.
9714 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9715 and tree_ssa_iv_optimize_finalize.
9717 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9719 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9721 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9724 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9725 computing the effective result type.
9727 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9730 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9731 (tree_overlaps_hard_reg_set): Declare.
9732 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9733 type and signature to match function type expected by walk_tree.
9734 (tree_overlaps_hard_reg_set): New function.
9735 (decl_conflicts_with_clobbers_p): Rename to:
9736 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9737 Use tree_overlaps_hard_reg_set. Changed caller.
9738 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9739 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9740 * cris.c (cris_md_asm_clobbers): Likewise.
9742 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9744 * reload1.c (emit_input_reload_insns): Delete code that tries to
9745 inherit using find_equiv_reg.
9747 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9749 * c-common.h (flag_const_strings): Don't declare.
9750 * c-common.c (flag_const_strings): Remove.
9751 * c.opt (fconst_strings): Remove.
9752 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9753 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9754 (c_common_init_options): Don't set flag_const_strings.
9755 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9757 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9759 * arm.md (tlobits_cbranch): New pattern.
9760 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9761 testing a single bit.
9763 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9766 * tree-ssa-pre.c (create_component_ref_by_pieces):
9767 Handle RETURN_DECL like VAR_DECL.
9769 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9772 * fold-const.c (fold_indirect_ref_1): Fold
9773 "*(foo *)&complexfoo" to "__real__ complexfoo"
9774 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9776 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9778 * tree-flow-inline.h (var_can_have_subvars):
9779 Volatile variables should not have subvariables.
9781 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9784 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9785 multiplying unsigned values.
9788 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9790 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9792 2006-02-08 Jason Merrill <jason@redhat.com>
9795 * tree.def: Elaborate on difference from MODIFY_EXPR.
9796 * doc/c-tree.texi (INIT_EXPR): Likewise.
9797 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9798 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9799 (gimplify_target_expr): Likewise.
9800 (gimplify_cond_expr): Remove target handling.
9801 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9802 (gimplify_expr): Clobber it here.
9803 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9804 Do return slot optimization if we have an INIT_EXPR.
9807 * tree-inline.c (declare_return_variable): Also clear
9808 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9811 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9814 * gimplify.c (gimplify_one_sizepos): Fix typo.
9816 2006-02-08 Jeff Law <law@redhat.com>
9818 PR tree-optimization/21417
9819 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9820 across a backedge if the control statement at the end of the
9821 block is data dependent on other statements in the same block.
9822 (record_temporary_equivalences_from_stmts): Remove over-conservative
9823 test for threading across backedges.
9825 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9826 control statement, handle all three special cases in the same
9827 manner as they all have the same desired solution. No longer
9828 special case edge flag updating when the post dominator is
9831 2006-02-08 Roger Sayle <roger@eyesopen.com>
9833 * tree.def (CHAR_TYPE): Remove.
9834 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9835 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9836 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9837 (gen_string_type_die): Delete unreachable function.
9839 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9840 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9841 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9842 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9843 * builtins.c (type_to_class): Likewise.
9844 * fold-const.c (fold_convert, build_range_check,
9845 merge_ranges): Likewise.
9846 * expr.c (count_type_elements): Likewise.
9847 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9848 * stor-layout.c (layout_type): Likewise.
9849 * ipa-type-escape.c (type_to_consider): Likewise.
9850 * gimplify.c (omp_firstprivatize_type_sizes,
9851 gimplify_type_sizes): Likewise.
9852 * explow.c (promote_mode): Likewise.
9853 * tree-sra.c (is_sra_scalar_type): Likewise.
9854 * varasm.c (output_constant): Likewise.
9855 * tree-inline.c (remap_type_1): Likewise.
9856 * convert.c (convert_to_pointer, convert_to_real,
9857 convert_to_integer, convert_to_complex): Likewise.
9859 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9861 * df-scan.c (df_def_record_1): A set destination may
9862 be a parallel regardless of mode.
9864 2006-02-08 Roger Sayle <roger@eyesopen.com>
9867 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9868 * config/mips/_tilib.c: Remove.
9869 * config/fixtfdi.c: New libgcc source file.
9870 * config/fixunstfdi.c: New source file.
9871 * config/floatditf.c: New source file.
9872 * config/floatunditf.c: New souce file.
9873 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9874 files above instead of config/mips/_tilib.c.
9875 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9877 2006-02-08 Jeff Law <law@redhat.com>
9879 PR tree-optimization/26169
9880 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9883 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9885 * df.h (DF_REG_SIZE): Return the length of the initialized
9888 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9890 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9891 __muldf3): Return a correctly signed zero.
9893 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9895 * passes.c (register_one_dump_file): Accept the current properties
9896 instead of pass number. Adjust call to dump_register. Remove
9898 (register_dump_files): Now a wrapper around...
9899 (register_dump_files_1): ... this one. Do not modify the pass
9901 (next_pass_1): Cosmetic fix.
9902 (execute_todo): Keep second parameter only. Use curr_properties
9903 instead of fetching it from the pass structure. Check and set
9905 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9906 instead of fetching it from the pass structure. Fix calls to
9907 execute_todo. Update curr_properties and initialize .vcg RTL dump
9908 after running the pass. Reset last_verified.
9909 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9911 (FIRST_AUTO_NUMBERED_DUMP): New.
9912 (dump_register): Remove "num" parameter, assign it within the
9914 (get_dump_file_name): Modify template for dumps.
9915 * tree-dump.h (dump_register): Adjust prototype.
9916 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9917 (PROP_trees): Add PROP_gimple_lomp.
9918 (TODO_set_props): New.
9919 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9920 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9921 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9923 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9925 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9926 (sparc64-*-linux*): Likewise.
9927 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9928 * config/sparc/t-linux: New file.
9929 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9930 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9931 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9932 -m32 -mlong-double-128.
9934 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9935 * config/alpha/t-linux: New file.
9936 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9938 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9939 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9940 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9941 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9942 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9943 (CPP_ARCH32_SPEC): Remove.
9945 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9947 PR tree-optimization/26145
9948 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9951 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9954 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9955 >= 240000 when generating code for SOM runtime.
9956 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9957 to $$dyncall when generating code for SOM runtime..
9959 2006-02-07 Dirk Mueller <dmueller@suse.com>
9962 * doc/invoke.texi (-Wsequence-point): Update documentation
9963 that -Wsequence-point is implemented for C++ as well.
9965 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9967 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9968 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9969 (LIB_SPEC): Likewise.
9970 * doc/invoke.texi (SPARC options): Document -pthread.
9972 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9974 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9977 2006-02-07 Roger Sayle <roger@eyesopen.com>
9979 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9980 Correct comment describing BOOLEAN_TYPE.
9982 2006-02-07 Dirk Mueller <dmueller@suse.com>
9984 * c.opt: C++ frontend supports -Wdiv-by-zero.
9985 * c-opts.c (c_common_handle_option): Remove dead case.
9987 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9989 * configure.ac (TLS assembler check): Do not enable TLS by
9990 default on SPARC/Solaris before version 10.
9991 * configure: Regenerate.
9993 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9995 * doc/invoke.texi (xl-compat): Document conversion and support
9998 2006-02-07 Jeff Law <law@redhat.com>
10000 * tree-vrp.c (find_conditional_asserts): Update comments.
10001 (simplify_stmt_for_jump_threading): New.
10002 (identify_jump_threads, finalize_jump_threads): New.
10003 (vrp_finalize): Call identify_jump_threads.
10004 (execute_vrp): Call finalize_jump_threads.
10005 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10006 (vrp_element, vrp_data, vrp_element_p): Remove.
10007 (vrp_hash_elt, vrp_variables_stack): Remove.
10008 (vrp_hash, vrp_eq, record_range): Remove.
10009 (simplify_cond_and_lookup_avail_expr): Remove.
10010 (extract_range_from_cond): Remove.
10011 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10012 (simplify_stmt_for_jump_threading): New.
10013 (dom_thread_across_edge): New wrapper.
10014 (tree_ssa_dominator_optimize): No longer initialize or
10015 finalize any of the VRP datastructures. Remove iteration
10016 step and simplify as a result of removal of iteration step.
10017 (pass_dominator): Perform a cfg cleanup after DOM.
10018 (dom_opt_finalize_block): Use the new common routines
10019 for threading jumps. Simplify stack management slightly.
10020 No longer need to unwind VRP state.
10021 (record_equivalences_from_incoming_edge): No longer record
10023 (eliminate_redundant_computations): No longer call
10024 simplify_cond_and_lookup_avail_expr.
10025 * tree-flow.h (potentially_threadable_block): Prototype.
10026 (thread_across_edge): Likewise.
10027 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10028 (tree-ssa-threadedge.o): Add dependencies.
10029 * tree-ssa-threadedge.c: New file.
10030 * passes.c (init_optimization_passes): Merge PHIs before
10031 calling VRP. Run VRP again late in the SSA optimization pipeline.
10033 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10035 * df-core.c (df_set_blocks): Do not dereference function pointers.
10036 (df_finish1): Likewise.
10037 (df_hybrid_search_forward): Likewise.
10038 (df_hybrid_search_backward): Likewise.
10039 (df_iterative_dataflow): Likewise.
10040 (df_analyze_problem): Likewise.
10041 (df_compact_blocks): Likewise.
10042 (df_dump): Likewise.
10043 * df-scan.c (df_rescan_blocks): Likewise.
10044 (df_record_entry_block_defs): Likewise.
10046 * genconditions.c (write_conditions): Guard the definition of
10047 'insn_conditions' with the check on GCC version.
10048 (write_writer): Guard the traversal 'insn_conditions' with
10049 the check on GCC version.
10051 2006-02-07 Richard Guenther <rguenther@suse.de>
10055 2006-01-30 Richard Guenther <rguenther@suse.de>
10057 * gimplify.c (gimplify_target_expr): Handle easy cases
10058 without creating a temporary.
10060 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10062 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10063 use of float in probability computations. Use edge probabilities
10064 in place of statically computed probabilities.
10065 (min_spec_prob): New static variable.
10066 (schedule_insns): Initialize it.
10067 (GET_SRC_PROB): Removed.
10068 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10070 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10073 * config/ia64/unwind-ia64.c: Revert last change.
10074 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10075 (INCOMING_FRAME_SP_OFFSET): Define.
10077 2006-02-06 Roger Sayle <roger@eyesopen.com>
10079 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10081 2006-02-07 Ben Elliston <bje@au.ibm.com>
10083 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10084 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10085 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10086 (ix86_return_in_memory): Handle TDmode.
10087 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10088 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10090 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10092 * reorg.c (dbr_schedule): Use dump_file instead of file.
10094 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10097 * config/ia64/predicates.md (extr_len_operand): New predicate.
10098 * config/ia64/ia64.md (extv): Tighten constraints.
10100 (*tbit_and_2): Ditto.
10101 (*tbit_and_3): Ditto.
10102 (*tbit_or_2): Ditto.
10103 (*tbit_or_3): Ditto.
10104 (*bit_zero): Ditto.
10107 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10110 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10112 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10114 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10115 loop_optimizer_init and loop_optimizer_finalize
10116 * tree-ssa-sink.c (execute_sink_code): Ditto.
10117 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10118 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10119 tree_ssa_loop_done): Ditto.
10120 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10121 * sched-ebb.c: Include output.h.
10122 (schedule_ebbs): Do not use dump argument.
10123 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10124 * loop.c (loop_dump_stream): Removed.
10125 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10127 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10128 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10129 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10130 loop_iterations, strength_reduce, record_biv, record_giv,
10131 final_giv_value, check_final_value, check_ext_dependent_givs,
10132 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10133 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10134 dump_file instead of loop_dump_stream.
10135 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10136 argument dump_file.
10137 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10139 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10140 * haifa-sched.c: Include output.h
10141 (schedule_insns, sched_init): Do not use dump argument.
10142 * mode-switching.c (optimize_mode_switching): Ditto.
10143 * modulo-sched.c (stats_file): Removed.
10144 (print_node_sched_params): Do not call argument dump_file.
10145 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10146 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10148 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10150 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10151 rtl_loop_init, rtl_loop_done): Ditto.
10152 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10153 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10155 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10156 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10157 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10158 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10159 * emit-rtl.c (renumber_insns): Ditto.
10160 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10161 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10162 * regclass.c (regclass): Ditto.
10163 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10164 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10165 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10166 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10168 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10169 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10171 * gcse.c (gcse_file, debug_stderr): Removed.
10172 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10173 rest_of_handle_gcse): Do not use dump argument.
10174 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10175 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10176 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10177 compute_code_hoist_vbeinout, compute_code_hoist_data,
10178 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10179 compute_store_table, build_store_vectors, insert_insn_start_bb,
10180 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10181 store_motion): Use dump_file instead of gcse_file.
10182 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10183 * profile.c (profile_dump_file): Removed.
10184 (branch_prob): Use dump_file instead of profile_dump_file.
10185 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10187 * tree-ssa-copy.c (dump_copy_of): Ditto.
10188 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10189 dump file to life_analysis.
10190 * bt-load.c (branch_target_load_optimize): Ditto.
10191 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10193 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10194 regclass, dbr_schedule): Declaration changed.
10195 * sched-int.h (sched_init): Declaration changed.
10196 * tree-profile.c (tree_profile_dump_file): Removed.
10197 (tree_profile_hooks): Removed profile_dump_file hook.
10198 * rtl-profile (rtl_profile_dump_file): Removed.
10199 (rtl_profile_hooks): emoved profile_dump_file hook.
10200 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10202 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10203 * tree-cfg.c (build_tree_cfg): Ditto.
10204 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10205 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10206 Declaration changed.
10207 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10208 life_analysis and schedule_insns.
10209 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10211 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10213 * config/mips/mips.c (mips_reorg): Ditto.
10214 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10217 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10219 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10220 (s390_mangle_fundamental_type): New.
10221 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10224 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10225 (alpha_mangle_fundamental_type): New.
10226 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10229 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10231 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10233 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10234 (sparc_mangle_fundamental_type): New.
10236 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10238 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10239 (s390x-*-linux*): Likewise.
10240 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10241 * config/s390/t-linux: New file.
10243 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10245 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10246 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10248 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10250 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10251 (ANTIC_SAFE_LOADS): New macro.
10252 (find_or_generate_expression): Add prototype.
10253 (set_contains_value): Allow null set for sake of not always having
10254 to allocate ANTIC_SAFE_LOADS.
10255 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10256 Allow COMPONENT_REF too.
10257 (valid_in_set): Allow COMPONENT_REF.
10258 Check ANTIC_SAFE_LOADS too.
10259 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10260 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10262 (can_PRE_operation): Add COMPONENT_REF.
10263 (create_component_ref_by_pieces): New function.
10264 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10265 (insert_aux): Move AGGREGATE_TYPE_P check here.
10266 (compute_avail): Set bb local stmt uids.
10267 (pass_pre): Use TODO_update_ssa_only_virtuals.
10269 2006-02-06 Ben Elliston <bje@au.ibm.com>
10271 * configure.ac: Unconditionally disable decimal float by default.
10272 * configure: Regenerate.
10274 2006-02-06 Ben Elliston <bje@au.ibm.com>
10276 * read-rtl.c (read_name): Terminate reading on EOF.
10278 2006-02-06 Ben Elliston <bje@au.ibm.com>
10280 * dfp.c (decimal_real_arithmetic): Change second argument type
10281 from int to enum tree_code. Do not always return true, but now
10282 return result of any call to decimal_do helper functions.
10283 * dfp.h (decimal_real_arithmetic): Update prototype.
10285 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10287 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10289 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10292 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10295 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10297 * tree-vrp.c (cfg_loops): Removed.
10298 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10299 Use current_loops instead of cfg_loops. Pass flags to
10300 loop_optimizer_init.
10301 * cfgloopmanip.c (fix_loop_structure): Update only available
10303 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10304 loop_optimizer_init.
10305 * modulo-sched.c (build_loops_structure): Removed.
10306 (sms_schedule): Use loop_optimizer_init.
10307 * loop-init.c (loop_optimizer_init): Use flags to determine
10308 which properties of loops to prepare.
10309 (rtl_loop_init): Pass flags to loop_optimizer_init.
10310 * tree-ssa-sink.c (execute_sink_code): Ditto.
10311 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10312 * tree-ssa-pre.c (init_pre): Ditto.
10313 * cfgloop.h (LOOPS_NORMAL): New.
10314 (loop_optimizer_init): Declaration changed.
10316 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10318 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10319 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10321 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10323 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10325 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10326 * pa/t-pa64: Delete quadlib.c rule.
10327 * pa/x-ada: Revert last change.
10328 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10330 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10332 PR rtl-optimization/26087
10333 * rtlanal.c (canonicalize_condition): Do not cross basic block
10336 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10339 * config/ia64/ia64.c: Include debug.h.
10340 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10341 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10342 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10343 (process_epilogue, process_set, process_for_unwind_directive):
10344 Output unwind info only if requested. Add CFA info if requested.
10345 Add new arguments as needed. Adjust callers.
10346 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10348 (DWARF2_FRAME_INFO): Define to zero.
10349 * config/ia64/unwind-ia64.c: Remove code that compensated for
10350 the CFA offset error fixed above.
10351 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10352 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10353 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10354 -funwind-tables and -fexceptions to enable frame info.
10355 (dwarf2out_frame_init): Define initial CFA even if
10356 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10357 DWARF2_UNWIND_INFO is nonzero, not just defined.
10358 (dwarf2out_frame_finish): Output non-EH call frame info only
10359 if DWARF2_FRAME_INFO is nonzero.
10360 (convert_cfa_to_loc_list,
10361 compute_frame_pointer_to_cfa_displacement): Define even if
10362 unwind info is not supported.
10363 (gen_subprogram_die): Use the above unconditionally. Remove
10364 legacy alternate code.
10365 * toplev.c (compile_file): Compile in call to
10366 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10367 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10369 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10370 Jakub Jelinek <jakub@redhat.com>
10372 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10373 IBM extended float format long double as "g" on powerpc*-linux.
10375 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10378 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10379 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10381 2006-02-03 Jason Merrill <jason@redhat.com>
10384 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10386 PR middle-end/25977
10387 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10388 on the return slot if it's an NRV.
10390 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10392 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10393 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10394 rewrite_use): Do not handle USE_OUTER.
10395 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10396 add_iv_outer_candidates, may_replace_final_value,
10397 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10398 (find_interesting_uses_op): Functionality of
10399 find_interesting_uses_outer_or_nonlin moved here.
10400 (find_interesting_uses_outside): Use find_interesting_uses_op.
10402 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10405 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10407 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10408 Ulrich Weigand <uweigand@de.ibm.com>
10411 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10412 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10413 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10414 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10416 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10417 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10418 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10419 Define secondary reloads for TFmode moves.
10420 (constant_modes): Add TFmode.
10421 (NR_C_MODES): Set to 8.
10422 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10424 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10425 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10426 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10427 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10428 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10429 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10430 (FPR mode macro): Add TFmode.
10431 (DSF mode macro): New.
10432 (<de>, <dee> mode attributes): Removed.
10433 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10434 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10435 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10436 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10437 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10438 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10439 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10440 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10441 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10442 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10443 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10444 "*negabs<mode>2", "sqrt<mode>2"):
10445 Changed <de> to <xde>. R constraint replaced by <Rf>.
10446 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10448 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10449 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10450 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10452 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10453 "extenddftf2", "extendsftf2"): New expanders.
10454 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10455 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10456 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10457 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10459 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10460 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10461 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10462 __floatditf): Add a GCC_4.1.0 symbol version tag.
10463 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10466 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10469 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10470 Use targetm.binds_local_p instead of TREE_PUBLIC.
10472 2006-02-02 Roger Sayle <roger@eyesopen.com>
10474 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10475 on INTEGER_TYPEs to indicate that it denotes a character type.
10476 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10477 signed_char_type_node, unsigned_char_type_node and char_type_node.
10478 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10479 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10480 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10482 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10483 Daniel Berlin <dberlin@dberlin.org>
10485 * tree-tailcall.c (arg_needs_copy_p): New function.
10486 (eliminate_tail_call): Use arg_needs_copy_p.
10487 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10488 (add_virtual_phis): New function.
10490 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10492 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10493 #ignore instead of #scratch for %g7 .register directive.
10495 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10497 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10500 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10502 * flow.c (calculate_global_regs_live): Assert that there aren't any
10505 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10507 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10508 what its name says.
10509 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10510 bsi_after_labels iterator.
10511 * tree-if-conv.c (find_phi_replacement_condition,
10512 replace_phi_with_cond_modify_expr): Likewise.
10513 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10514 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10516 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10518 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10520 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10523 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10524 array after growing it.
10526 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10528 PR middle-end/24901
10529 * fold-const.c (fold_checksum_tree): Change type of buf.
10531 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10533 * reload.c (push_secondary_reload): Initialize t_icode.
10535 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10537 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10538 -msoft-float -mlong-double-128 only issue a warning, but don't
10539 swich to DFmode long double.
10541 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10543 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10544 has a constant equivalent, iterate over equivalents for arg0,
10545 calling simplify_relational_operation and if there's a result
10546 cheaper than X, apply fold_rtx and return the result.
10548 2006-02-01 Jan Hubicka <jh@suse.cz>
10550 * opts.c (no_unit_at_a_time_default): New global variable.
10551 (decode_options): Use it.
10552 * opts.h (no_unit_at_a_time_default): Declare.
10554 2006-02-01 Paul Brook <paul@codesourcery.com>
10556 * function.c (assign_parm_setup_reg): Use function argument promotion
10558 * expr.c (expand_expr_real_1): Use function argument promotion rules
10561 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10563 * gcc.c (process_command): Change j to 'unsigned int'.
10565 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10567 PR middle-end/26001
10568 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10569 Use the corrected index for the character
10570 out of the string constant.
10572 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10574 * mode-switching.c (optimize_mode_switching): Fix size
10575 allocated for bb_info[n_entities].
10577 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10579 * gcc.c (main): Correct type that is allocated for
10580 explicit_link_files.
10582 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10584 * config/s390/s390.c (init_alignment_context): Set
10585 ALIAS_SET_MEMORY_BARRIER on the MEM.
10586 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10588 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10590 PR middle-end/25933
10591 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10593 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10596 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10598 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10599 * regrename.c: Ditto.
10600 * tree-ssa-loop-im.c: Ditto.
10601 * tree-dump.c: Ditto.
10602 * tree-complex.c: Ditto.
10603 * genrecog.c: Ditto.
10604 * tree-ssa-threadupdate.c: Ditto.
10606 * java/class.c: Ditto.
10607 * java/jcf-parse.c: Ditto.
10608 * java/resource.c: Ditto.
10609 * java/except.c: Ditto.
10610 * java/jvspec.c: Ditto.
10611 * java/jcf-write.c: Ditto.
10612 * java/jcf-path.c: Ditto.
10613 * java/gjavah.c: Ditto.
10614 * java/zextract.c: Ditto.
10615 * java/jcf-io.c: Ditto.
10616 * java/jcf.h: Ditto.
10617 * java/buffer.c: Ditto.
10618 * java/lang.c: Ditto.
10619 * java/parse-scan.y: Ditto.
10620 * java/lex.c: Ditto.
10621 * java/lex.h: Ditto.
10622 * cfgloopmanip.c: Ditto.
10623 * postreload-gcse.c: Ditto.
10624 * tree-ssa-loop-manip.c: Ditto.
10625 * postreload.c: Ditto.
10626 * tree-ssa-loop-ch.c: Ditto.
10629 * cppspec.c: Ditto.
10630 * diagnostic.c: Ditto.
10632 * genoutput.c: Ditto.
10634 * cfghooks.c: Ditto.
10635 * cfgloopanal.c: Ditto.
10636 * objc/objc-act.c: Ditto.
10638 * genextract.c: Ditto.
10639 * genautomata.c: Ditto.
10640 * pretty-print.c: Ditto.
10641 * genemit.c: Ditto.
10642 * cgraphunit.c: Ditto.
10644 * df-scan.c: Ditto.
10645 * haifa-sched.c: Ditto.
10646 * dominance.c: Ditto.
10648 * tree-ssa-loop-ivopts.c: Ditto.
10649 * df-core.c: Ditto.
10650 * mode-switching.c: Ditto.
10651 * modulo-sched.c: Ditto.
10653 * ipa-pure-const.c: Ditto.
10655 * fix-header.c: Ditto.
10657 * tree-stdarg.c: Ditto.
10658 * ipa-utils.c: Ditto.
10659 * loop-init.c: Ditto.
10660 * ipa-inline.c: Ditto.
10661 * cfganal.c: Ditto.
10663 * alloc-pool.c: Ditto.
10664 * dwarf2out.c: Ditto.
10666 * genattrtab.c: Ditto.
10667 * tree-ssa-loop-ivcanon.c: Ditto.
10668 * predict.c: Ditto.
10669 * timevar.c: Ditto.
10671 * fortran/gfortranspec.c: Ditto.
10672 * regmove.c: Ditto.
10673 * local-alloc.c: Ditto.
10674 * langhooks.c: Ditto.
10675 * function.c: Ditto.
10676 * tree-vectorizer.c: Ditto.
10678 * ipa-type-escape.c: Ditto.
10680 * tree-if-conv.c: Ditto.
10681 * profile.c: Ditto.
10683 * tree-data-ref.c: Ditto.
10684 * loop-unroll.c: Ditto.
10685 * treelang/treetree.c: Ditto.
10687 * bt-load.c: Ditto.
10688 * ggc-common.c: Ditto.
10690 * coverage.c: Ditto.
10692 * tree-cfgcleanup.c: Ditto.
10693 * tree-ssa-pre.c: Ditto.
10694 * cfgcleanup.c: Ditto.
10695 * loop-invariant.c: Ditto.
10696 * loop-iv.c: Ditto.
10697 * ipa-prop.c: Ditto.
10698 * print-tree.c: Ditto.
10699 * conflict.c: Ditto.
10700 * ggc-page.c: Ditto.
10701 * sched-deps.c: Ditto.
10702 * regclass.c: Ditto.
10703 * tree-object-size.c: Ditto.
10704 * combine.c: Ditto.
10705 * bb-reorder.c: Ditto.
10706 * resource.c: Ditto.
10707 * var-tracking.c: Ditto.
10708 * cfgloop.c: Ditto.
10709 * df-problems.c: Ditto.
10710 * reg-stack.c: Ditto.
10712 * gccspec.c: Ditto.
10713 * sched-rgn.c: Ditto.
10714 * tree-ssa-structalias.c: Ditto.
10715 * tree-ssa-reassoc.c: Ditto.
10716 * config/darwin-c.c: Ditto.
10717 * config/darwin.c: Ditto.
10718 * config/arm/arm.c: Ditto.
10720 * collect2.c: Ditto.
10721 * reload1.c: Ditto.
10723 2006-01-31 Nicolas Pitre <nico@cam.org>
10725 * arm.md (smaxsi3): Make aware of smax_m1.
10728 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10730 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10732 2006-01-31 Richard Guenther <rguenther@suse.de>
10734 * doc/invoke.texi (-msselibm): Document.
10735 * target.h (expand_library_builtin): New target hook.
10736 * builtins.c (expand_builtin): Use expand_library_builtin.
10737 (default_expand_library_builtin): New function.
10738 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10739 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10740 (link_gcc_math_spec): Declare.
10741 (static_specs): Add link_gcc_math_spec.
10742 * expr.h (default_expand_library_builtin): Declare.
10743 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10744 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10745 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10746 * config/i386/i386.opt (msselibm): New target option.
10747 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10748 (ix86_init_sse_abi_builtins): New function.
10749 (ix86_expand_library_builtin): Likewise.
10750 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10751 (override_options): Handle error conditions wrt -msselibm.
10752 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10753 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10754 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10757 2006-01-31 Richard Guenther <rguenther@suse.de>
10758 Paolo Bonzini <bonzini@gnu.org>
10760 * doc/install.texi (--disable-libgcc-math): Document.
10762 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10764 * expr.h (expand_normal): new inline function.
10765 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10766 * dojump.c: use it.
10767 * dwarf2out.c: use it.
10770 * expmed.c: use it.
10771 * except.c: use it.
10772 * config/sparc/sparc.c: use it.
10773 * config/i386/i386.c: use it.
10774 * config/rs6000/rs6000.c: use it.
10775 * config/arm/arm.c: use it.
10776 * config/mips/mips.c: use it.
10777 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10779 2006-01-30 Roger Sayle <roger@eyesopen.com>
10781 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10782 argv to the appropriate type.
10784 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10786 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10789 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10792 * config/s390/s390.c (struct machine_function): New flag
10793 decomposed_literal_pool_addresses_ok_p.
10794 (s390_reorg): Set it before final stage of literal pool transforms.
10795 (s390_decompose_address): Only accept displacements of the form
10796 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10798 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10800 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10801 the comparison routine return.
10803 2006-01-30 Michael Matz <matz@suse.de>
10805 * global.c (find_reg): Only evict for global regs.
10806 Take n_refs into account and dump more info.
10808 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10811 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10812 (pragma_trap, pragma_nosave_low_regs): Likewise.
10813 (current_function_anonymous_args): Likewise.
10814 (sh_deferred_function_attributes): New variable.
10815 (sh_deferred_function_attributes_tail): Likewise.
10816 (print_operand): For '@', look up trap_exit attribute.
10817 (calc_live_regs): Look up trapa_handler attribute. For trapa
10818 handlers, save/restore fpscr, but don't do any other
10819 interrupt-specific saves.
10820 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10821 Fix check for partially saved registers to check for SHmedia.
10822 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10823 (sh_output_function_epilogue): Don't clear any of the removed
10825 (sh_insert_attributes): Don't check pragma_interrupt.
10826 Insert deferred attributes. Check that interrupt attribute is
10827 present for other attributes that require its presence.
10828 (sh_attribute_table): Add new attributes trapa_handler and
10830 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10831 Don't check for pragma_interrupt. Don't store argument.
10832 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10833 (sh_deferred_function_attributes): Declare.
10834 (sh_deferred_function_attributes_tail): Likewise.
10835 * sh.md (sp_switch_1): Add operand. Change generator caller.
10836 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10837 (*return_i): Don't use when trap_exit attribute is in effect.
10838 (*return_trapa): New insn pattern.
10839 * sh-c.c: New file.
10840 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10841 setting c_target_objs and cxx_target_objs.
10842 * t-sh: Add rule for sh-c.o.
10844 2006-01-30 Richard Guenther <rguenther@suse.de>
10847 * gimplify.c (gimplify_target_expr): Handle easy cases
10848 without creating a temporary.
10850 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10852 * vec.h (safe_grow): Remove duplicated line.
10854 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10857 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10858 (expand_omp): ... here.
10859 (expand_omp_parallel): Only remove barriers for combined
10860 parallel+workshare constructs.
10862 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10866 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10867 * tree.c (build_qualified_type): Chain the new type to the original
10868 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10869 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10870 (build_pointer_type_for_mode): Only return unqualified types.
10871 (build_reference_type_for_mode): Likewise.
10873 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10875 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10876 * Makefile.in (CXX_COMPAT_WARN): Define.
10877 * configure: Regenerate.
10879 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10882 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10885 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10887 * toplev.c: Fix thinko.
10889 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10890 Marcin Dalecki <martin@dalecki.de>
10892 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10893 (push_srcloc): Use XNEW.
10894 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10896 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10898 * df-core.c (df_set_blocks): Deleted all variable.
10900 2006-01-28 Ian Lance Taylor <ian@airs.com>
10902 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10903 cgraph_output_pending_asms.
10905 2006-01-28 Zack Weinberg <zackw@panix.com>
10907 * c.opt: Add -W(no-)overlength-strings.
10908 * doc/invoke.texi: Document it.
10909 * c-opts.c (c_common_handle_option): -pedantic implies
10910 -Woverlength-strings, if not explicitly disabled already.
10911 (c_common_post_options): -Woverlength-strings defaults to off, and
10912 is always off for C++.
10913 * c-common.c (fix_string_type): Issue warning about strings longer
10914 than is portable only if warn_overlength_strings. Rearrange code
10915 a little for clarity.
10916 * configure.in: Check for -Wno-overlength-strings as well before
10917 enabling -pedantic in stage 1.
10918 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10919 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10921 * genconditions.c (write_header, write_one_condition)
10922 (write_conditions, write_writer): Consolidate very long strings
10923 that were broken up to fit in C89 portable limit. Don't use
10924 printf when fputs will do.
10926 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10928 * combine.c (simplify_comparison <AND>): Check
10929 TRULY_NOOP_TRUNCATION before start using a subreg.
10931 * config/mips/mips.md (*branch_zero<mode>,
10932 *branch_zero<mode>_inverted, *branch_equality<mode>,
10933 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10934 Remove mode check from comparisons.
10936 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10938 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10940 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10942 * expmed.c (const_mult_add_overflow_p): Remove.
10943 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10945 * recog.c (validate_replace_rtx_subexp): Remove.
10946 * recog.h: Remove the prototype for
10947 validate_replace_rtx_subexp.
10949 * integrate.h: Remove the prototype for
10950 copy_decl_for_inlining.
10951 * rtl.h: Remove the prototype for mark_constant_function.
10952 * tree-vectorizer.h: Remove the prototype for
10953 vect_strip_conversion.
10955 * modulo-sched.c (create_partial_schedule,
10956 free_partial_schedule, reset_partial_schedule): Make them
10959 * hooks.c (hook_bool_rtx_int_false): Remove.
10960 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10962 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10964 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10965 and -mlong-double-128 are incompatible.
10966 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10967 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10968 (TARGET_LIBGCC2_CFLAGS): Define.
10969 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10970 (TARGET_LIBGCC2_CFLAGS): Same.
10971 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10973 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10976 * c-typeck.c (build_binary_op): Perform implicit casts of
10977 operands before shortening them.
10979 * cfgloopmanip.c (split_loop_bb): Remove.
10980 * cfgloop.h: Remove the prototype for split_loop_bb.
10982 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10983 * cfgloop.h: Remove the prototype for
10984 flow_loop_outside_edge_p.
10986 * emit-rtl.c (init_virtual_regs): Make it static.
10987 * function.h: Remove the prototype for init_virtual_regs.
10989 * recog.c (peephole2_optimize): Make it static.
10990 * recog.h: Remove the prototype for peephole2_optimize.
10992 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10994 * df-scan.c (df_record_entry_block_defs): Check if
10995 INCOMING_RETURN_ADDR_RTX is defined.
10997 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10998 Kenneth Zadeck <zadeck@naturalbridge.com>
11000 PR rtl-optimization/24762
11001 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11002 * targhooks.c (hook_void_bitmap): New hook prototype.
11003 * targhoohs.h (hook_void_bitmap): Ditto.
11004 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11005 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11006 * target.h (live_on_entry): New function pointer.
11007 * df-scan.c (df_all_hard_regs): Removed.
11008 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11009 (df_scan_free_internal): Added df->entry_block_defs.
11010 (df_scan_alloc): Ditto.
11011 (df_scan_dump): Ditto.
11012 (df_uses_record): Plumbed flag field properly thru calls.
11013 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11014 This part fixes PR24762.
11015 (df_bb_refs_record): Added code to make the frame and arg
11016 pointers live in EH blocks.
11017 (df_refs_record): Added call to df_record_entry_block_defs.
11018 (df_record_entry_block_defs): New function.
11019 * df-core.c: Added comments to describe new artifical defs.
11020 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11021 (entry_block_defs): New field in struct df.
11022 (df_all_hard_regs): Deleted.
11023 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11024 * df-problems.c (df_ru_bb_local_compute_process_def):
11025 Added code to handle artifical defs in the entry to a function.
11026 (df_ru_bb_local_compute): Ditto.
11027 (df_rd_bb_local_compute_process_def): Ditto.
11028 (df_rd_bb_local_compute): Ditto.
11029 (df_lr_bb_local_compute): Ditto.
11030 (df_ur_bb_local_compute): Ditto.
11031 (df_urec_bb_local_compute): Ditto.
11032 (df_chain_create_bb): Ditto.
11033 (df_ur_local_finalize): Removed entry.
11034 (df_urec_init): Ditto.
11035 (df_urec_local_finalize): Ditto.
11036 (df_ri_bb_compute): Added detection of last use of pseudos.
11037 * Makefile.in (df-scan.o): Updated dependencies.
11038 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11039 * config/mips/mips.c (mips_set_live_on_entry): Added.
11040 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11042 * dce.c (marked_insn_p): Added code to handle artifical defs.
11044 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11046 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11048 (_mm_cvtsi128_si64): Likewise.
11049 (_mm_cvtsd_si64): Likewise.
11050 (_mm_cvttsd_si64): Likewise.
11051 (_mm_cvtsi64_sd): Likewise.
11052 (_mm_cvtsi64_si128): Likewise.
11053 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11054 (_mm_cvtsi64_m64): Likewise.
11055 (_m_to_int64): Likewise.
11056 (_mm_cvtm64_si64): Likewise.
11057 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11058 (_mm_cvttss_si64): Likewise.
11059 (_mm_cvtsi64_ss): Likewise.
11060 (_mm_cvtss_f32): Likewise.
11062 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11064 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11065 for pragma redefine_extname.
11067 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11070 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11071 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11072 -mno-minimal-toc to previous content.
11073 (bispecs): Remove goal.
11074 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11075 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11076 compatibility aliases on powerpc-*-*gnu*.
11077 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11078 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11079 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11080 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11081 (ldblspecs): New goal.
11082 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11083 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11085 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11086 L_sf_to_tf or L_df_to_tf is defined.
11088 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11089 Alan Modra <amodra@bigpond.net.au>
11092 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11093 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11094 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11095 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11096 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11097 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11098 (rs6000_override_options): Initialize rs6000_ieeequad.
11099 Initialize TFmode format to ibm_extended_format if not
11101 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11103 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11104 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11105 (function_arg_advance): IBM long double passed in two FPRs, not
11107 (function_arg): IBM long double passed in FPRs.
11108 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11109 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11110 Only multireg GPR aligned.
11111 (rs6000_init_libfuncs): Enable IBM long double functions if not
11113 (rs6000_generate_compare): Use IBM long double compare if not
11115 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11116 (TARGET_IEEEQUAD): Define.
11117 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11118 not TARGET_IEEEQUAD.
11119 * config/rs6000/rs6000.md: Enable TFmode patterns if
11121 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11122 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11123 and -mlong-double-128 are incompatible.
11124 * doc/invoke.texi (-mabi): Collect options together. Add
11125 ibmlongdouble and ieeelongdouble.
11127 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11129 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11131 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11132 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11133 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11134 * rtl.h (rtunion_def): Remove rt_ptr.
11136 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11137 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11138 * config/i386/winnt.c (i386_pe_mark_dllexport)
11139 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11141 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11143 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11145 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11149 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11150 pthread_key_delete. From John David Anglin. gthrw-ify
11151 pthread_getunique_np only if it it's not a macro. Delete
11153 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11154 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11155 __gthread_objc_condition_signal, __gthread_key_delete): Add
11156 "__attribute__ ((__unused__))" to unused arguments.
11157 (__gthread_recursive_mutex_init_function): Add missing return.
11158 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11159 gthr-posix95.h: Use macro-based approach for name redirection
11160 on targets missing weakref.
11162 2006-01-26 Zack Weinberg <zackw@panix.com>
11164 * genconditions.c (write_header): In generated code, #ifdef out
11165 all includes and fake declarations, except includes of bconfig.h
11166 and system.h, unless GCC_VERSION >= 3001. Do not include
11167 gensupport.h in any case.
11168 (write_conditions): Generate a definition of struct c_test. Add
11169 a comment to the generated #endif.
11170 (write_one_condition): Escape backslashes in string too.
11171 (write_writer): Generated code must escape backslashes and quote
11172 marks (but not newlines) in the strings it writes.
11173 * Makefile.in (build/gencondmd.o): Update dependencies.
11175 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11178 * Makefile.in (insn-automata.o): Add header file dependencies.
11179 * genautomata.c: Add includes.
11181 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11184 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11186 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11188 * configure.ac: Expect target tools paths to be passed from the toplevel
11189 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11191 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11193 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11196 * c.opt (Wpointer-sign): Init to -1.
11197 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11198 OPT_pedantic, to 0 otherwise.
11199 * doc/invoke.texi: Update.
11201 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11203 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11204 constants provided by 80387 instructions in the destination mode.
11206 2006-01-26 Richard Guenther <rguenther@suse.de>
11207 Andrew Pinski <pinskia@physics.uc.edu>
11210 partial PR tree-opt/17064
11211 * tree-ssa-structalias.c (intra_create_variable_infos):
11212 Create heap variables for incoming parameters if
11213 flag_argument_noalias > 1.
11214 (find_what_p_points_to): Look through default defs of
11217 2006-01-26 Jeff Law <law@redhat.com>
11220 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11221 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11222 within the VR_RANGE, use the VR_RANGE as the result, not the
11224 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11225 bounds for the type.
11227 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11229 * tree-ssa-alias.c (maybe_create_global_var): Change
11230 subvar walking to an assertion that we don't have subvar'd variables.
11232 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11235 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11236 Use a new variable, inner. PARM_DECLs are always non-weak.
11238 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11240 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11241 --disable-checking.
11243 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11245 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11247 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11249 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11250 (smax_insn, smin_insn, smax_0, smin_0): New.
11252 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11255 * config/cris/cris.c (cris_order_for_addsi3): New function.
11256 * config/cris/cris-protos.h: Prototype it.
11257 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11258 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11259 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11260 (split for "op.S1 [rx=rx+i],ry (swapped)")
11261 (split for "op(s|u).S1 [rx=rx+i],ry")
11262 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11263 Apply cris_order_for_addsi3 when generating addsi3 insns.
11265 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11267 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11268 (TREE_BLOCK): Add call to EXPR_CHECK.
11270 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11273 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11274 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11275 (dump_omp_clauses): ... here.
11276 (dump_generic_node): Handle OMP_CLAUSE.
11277 * tree.c (omp_clause_num_ops): New.
11278 (omp_clause_code_name): New.
11279 (tree_code_size): Handle OMP_CLAUSE.
11280 (tree_size): Likewise.
11281 (make_node): Document handling of OMP_CLAUSE.
11282 (tree_node_structure): Handle OMP_CLAUSE.
11283 (omp_clause_check_failed): New.
11284 (omp_clause_range_check_failed): New.
11285 (omp_clause_operand_check_failed): New.
11286 (build_omp_clause): New.
11287 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11288 * tree.h (enum omp_clause_code): Declare.
11289 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11290 (OMP_CLAUSE_RANGE_CHECK): Define.
11291 (OMP_CLAUSE_ELT_CHECK): Define.
11292 (omp_clause_check_failed): Declare.
11293 (omp_clause_operand_check_failed): Declare.
11294 (omp_clause_range_check_failed): Declare.
11295 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11296 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11297 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11298 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11299 (OMP_CLAUSE_IF_EXPR): Likewise.
11300 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11301 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11302 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11303 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11304 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11305 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11306 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11307 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11308 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11309 (OMP_CLAUSE_CODE): Define.
11310 (OMP_CLAUSE_SET_CODE): Define.
11311 (OMP_CLAUSE_CODE): Define.
11312 (OMP_CLAUSE_OPERAND): Define.
11313 (struct tree_omp_clause): Declare.
11314 (union tree_node): Add field 'omp_clause'.
11315 * treestruct.def (TS_OMP_CLAUSE): Define.
11316 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11317 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11318 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11319 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11320 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11321 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11322 (OMP_CLAUSE): Define.
11323 * print-tree.c (print_node): Handle OMP_CLAUSE.
11324 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11325 * c-typeck.c: Likewise.
11326 * gimplify.c: Likewise.
11327 * c-omp.c: Likewise.
11328 * tree-nested.c: Likewise.
11329 * tree-inline.c: Likewise.
11330 * c-parser.c: Likewise.
11331 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11334 2006-01-25 Roger Sayle <roger@eyesopen.com>
11336 PR rtl-optimization/25703
11337 * combine.c (try_combine): Handle zero_extract and strict_low_part
11338 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11340 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11342 * global.c: Fix comment typos.
11344 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11347 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11348 Use output_addr_const instead of assemble_name.
11350 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11352 * Makefile.in (sched-vis.o): Update dependencies.
11353 * haifa-sched.c (sched_finish): Clear current_sched_info.
11354 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11355 (dump_flow_info): Call it.
11356 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11358 * basic-block.h (dump_bb_info): Declare.
11359 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11360 option, and apply options only for dump files whose TDF_RTL,
11361 TDF_TREE, or TDF_IPA bits match.
11362 * rtl.h: Declare new functions exported from sched-vis.c.
11363 * sched-vis.c: Enable also if scheduling is not used.
11364 (print_value): Print the mode of registers if not inside scheduling.
11365 (print_insn): Make it work outside the scheduler. Beautify the output
11367 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11369 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11371 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11372 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11373 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11374 depending on the value of CONSTANT_POOL_ADDRESS_P.
11375 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11377 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11378 rather than SYMBOL_REF_DECL.
11379 (rtx_constant_pool): Remove const_rtx_sym_htab.
11380 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11381 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11382 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11383 Remove handling of const_rtx_sym_htab.
11384 (find_pool_constant): Delete.
11385 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11386 rather than find_pool_constant.
11387 (get_pool_constant_for_function): Delete.
11388 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11389 find_pool_constant.
11390 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11391 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11392 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11393 (SYMBOL_REF_CONSTANT): New macro.
11394 (get_pool_constant_for_function): Delete.
11395 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11396 rather than SYMBOL_REF_DECL.
11397 (i386_pe_mark_dllimport): Likewise.
11398 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11399 rather than SYMBOL_REF_DECL.
11400 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11401 (machopic_indirect_call_target): Likewise.
11403 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11405 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11407 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11409 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11411 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11413 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11415 2006-01-24 David Daney <ddaney@avtrex.com>
11418 * configure.ac (enable_tls): New enable option.
11419 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11420 * configure: Regenerate.
11421 * doc/install.texi (--enable-tls): Document new option.
11422 (--disable-tls): Ditto.
11424 2006-01-24 Richard Henderson <rth@redehat.com>
11426 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11427 * alias.c (true_dependence): Respect it.
11428 (canon_true_dependence, write_dependence_p): Likewise.
11429 * builtins.c (get_builtin_sync_mem): Set it.
11431 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11433 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11436 2006-01-24 DJ Delorie <dj@redhat.com>
11438 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11439 for storing constants in single-bit bitfields.
11441 2006-01-25 Ben Elliston <bje@au.ibm.com>
11443 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11445 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11448 * tree-ssa-pre.c (phi_translate): Return NULL
11449 for AGGREGATE_TYPE's.
11451 2006-01-24 Zack Weinberg <zackw@panix.com>
11453 * genautomata.c (process_state_for_insn_equiv_partition):
11454 Use xcalloc for insn_arcs_array.
11455 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11456 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11458 2006-01-24 Richard Henderson <rth@redhat.com>
11460 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11461 update all callers.
11463 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11465 PR rtl-optimization/25890
11466 PR rtl-optimization/25905
11467 * combine.c (expand_compound_operation, expand_field_assignment):
11468 Fail if the bitfield's final position is out of bounds.
11470 2006-01-24 Ian Lance Taylor <ian@airs.com>
11472 PR middle-end/25930
11473 * cgraphunit.c (cgraph_output_in_order): Don't clear
11474 cgraph_asm_nodes until after asm strings have been output.
11476 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11478 * fix-header.c (read_scan_file): Add new parameter imultilib when
11479 calling register_include_chains.
11481 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11483 * omp-low.c: Update documentation.
11485 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11486 Daniel Berlin <dberlin@dberlin.org>
11490 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11491 return from the function.
11493 2006-01-22 Zack Weinberg <zackw@panix.com>
11495 * rtl.def (match_code): Add second argument.
11496 * genpreds.c (write_extract_subexp): New function.
11497 (write_match_code): Add path argument. Use write_extract_subexp.
11498 (write_predicate_expr): Pass path to write_match_code.
11499 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11500 not perform a mode test.
11501 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11502 a subexpression does not constrain the top-level code set.
11503 * read-rtl.c (read_rtx_variadic): New function.
11504 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11505 * doc/md.texi: Document new notation.
11506 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11507 (cmpsi_operand): ... here, using new notation.
11509 2006-01-22 Zack Weinberg <zackw@panix.com>
11511 * varray.c: Remove GENERATOR_FILE #ifdefs.
11513 2006-01-22 Zack Weinberg <zackw@panix.com>
11515 * genautomata.c (output_reserved_units_table): Emit nothing if
11516 description->query_units_num is zero. Remove extra blank line.
11517 (output_cpu_unit_reservation_p): Short circuit
11518 if description->query_units_num is zero.
11520 2006-01-22 Zack Weinberg <zackw@panix.com>
11522 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11523 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11524 nor any of the random handful of variables that used to be necessary
11525 when this program was linked with rtlanal.o. Prune set of forward
11526 function declarations.
11527 (struct attr_desc): Remove static_p field.
11528 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11529 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11530 (attr_string): Do not read the character one past the length of
11532 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11533 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11534 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11535 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11536 (make_automaton_attrs): New.
11537 (main): Do not call into genautomata. Call local gen_bypass
11538 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11539 Remove special case for insn_alts.
11540 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11541 varray.h (leftover from previous change). Prune set of forward
11542 function declarations. Remove state_alts fields from all
11543 structures. Remove state_alts_table from struct automaton.
11544 Make everything except main static. Do not maintain num_dfa_decls.
11545 Do not maintain state_alts fields of various structures.
11546 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11547 (add_arc): Remove state_alts argument. All callers updated.
11548 (output_reserved_units_table): Emit #ifdef here...
11549 (output_tables): ...not here. Don't generate state_alts tables.
11550 (expand_automata): Don't generate attributes.
11551 (write_automata): Don't generate state_alts functions.
11552 (main): New function.
11553 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11554 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11555 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11556 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11557 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11558 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11559 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11560 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11562 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11563 * genattrtab.h: Delete file.
11564 * Makefile.in (OBJS-common): Add insn-automata.o.
11565 (insn-automata.o): New rule.
11566 (simple_generated_c): Add insn-automata.c.
11567 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11568 (genprogmd): Add automata.
11569 (build/genattrtab): Needs no extra objects nor libraries.
11570 (build/genautomata): Needs build/vec.o and -lm.
11572 2006-01-22 Zack Weinberg <zackw@panix.com>
11574 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11575 (output_dfa_max_issue_rate, locked_states_num): Delete.
11576 (struct automaton): Add locked_states field.
11577 (output_dead_lock_vect): Save number of locked states in
11578 automaton->locked_states. If it is zero, don't print anything.
11579 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11580 (output_internal_dead_lock_func): Only test the dead_lock_vect
11581 for automata that have locked states.
11582 (output_statistics): Always print the number of locked states for
11583 each automaton. Calculate total number of locked states here.
11584 (write_automata): Don't call output_dfa_max_issue_rate.
11585 * genattrtab.c: Define length_unit_log as a const variable.
11586 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11587 max_insn_queue_index const.
11588 * final.c (length_unit_log): Declare const.
11589 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11591 2006-01-22 Zack Weinberg <zackw@panix.com>
11593 * genautomata.c: Include vec.h, not varray.h.
11594 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11595 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11596 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11597 VEC_* macros operating on appropriately typed vectors, or to
11598 malloced arrays when the size is known in advance. Const-ify
11599 many char* variables and function arguments. No functional changes.
11600 * Makefile.in (build/varray.o): Delete rule.
11601 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11602 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11604 2006-01-22 Zack Weinberg <zackw@panix.com>
11606 * gensupport.c: Define get_insn_name and record_insn_name here.
11607 (read_md_rtx): Call record_insn_name as appropriate.
11608 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11609 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11610 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11612 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11613 (BUILD_VARRAY): Delete.
11614 (genprognormal): Rename genprogmd. Fold in all programs from
11615 genprognoprint; also attrtab.
11616 (build/genattrtab): Just mention genautomata.o and varray.o.
11617 Reorganize a bit, add comments to make the categories clearer.
11619 2006-01-22 Zack Weinberg <zackw@panix.com>
11621 * genconditions.c (condition_table, add_condition): Delete.
11622 (write_conditions): Don't emit n_insn_conditions nor
11623 insn_elision_unavailable. Issue the gcc version #ifdef here,
11624 inside the table, with no #else clause ...
11625 (write_header): ...not here.
11626 (write_writer): New function.
11627 (main): Don't initialize condition_table. Use add_c_test.
11629 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11630 files on the command line.
11631 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11632 Return -1 if there is no entry in the table, don't abort.
11633 (add_c_test, traverse_c_tests): New functions.
11634 * gensupport.h (insn_elision_unavailable, insn_conditions)
11635 (n_insn_conditions): Delete declarations.
11636 (add_c_test, traverse_c_tests): Declare.
11637 * read-rtl.c: Include gensupport.h.
11638 (read_conditions): New function.
11639 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11640 (read_rtx_1): If we get EOF when we were looking for an initial
11641 open paren, return 0. Call read_conditions when appropriate.
11642 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11643 dummy-conditions.o. Eliminate references to insn-conditions.o,
11644 or change them to build/gencondmd.o, as appropriate. Remove
11645 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11646 from $(simple_generated_c). For all files remaining in those
11647 two lists, add insn-conditions.md to the generator command line.
11648 Give insn-constants.h/s-constants their own rules. Add rules
11649 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11650 (build/read-rtl.o): Depend on gensupport.h.
11651 (genprognormal): Include preds.
11652 (genprogearly): Rename genprognoprint; only difference is now that
11653 they don't link with $(BUILD_PRINT).
11654 * dummy-conditions.c: Delete.
11656 2006-01-22 Zack Weinberg <zackw@panix.com>
11658 * genextract.c: Don't include insn-config.h. Do include vec.h.
11659 Declare vectors of int, char, and locstr.
11660 (locstr): New typedef.
11661 (struct extraction): Make all array fields into bare pointers.
11662 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11663 (insn_code_number): Delete.
11664 (accum_extract): New struct.
11665 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11666 (gen_insn): Take insn_code_number as an argument. Use an
11667 accum_extract structure instead of loading data directly into
11668 a struct extraction, and having to know how big it might get.
11669 (walk_rtx): Operate entirely on an accum_extract structure.
11670 (print_path): Avoid unnecessary use of printf.
11671 (print_header): New function, split out of main. Distinguish
11672 more carefully between an unrecognizable insn and an insn that
11673 has the code number of a define_expand.
11674 (main): Pass insn_code_number to gen_insn. Call print_header
11675 only after parsing. Avoid unnecessary use of printf.
11676 * Makefile.in (build/vec.o): New rule.
11677 (build/genextract): Depend on build/vec.o.
11678 (build/genextract.o): Don't depend on insn-config.h.
11680 2006-01-22 Zack Weinberg <zackw@panix.com>
11682 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11683 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11684 practical. Eliminate per-generator-program link rules.
11686 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11688 PR middle-end/24437
11689 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11690 with a call expr to ...
11691 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11693 2006-01-23 Richard Guenther <rguenther@suse.de>
11695 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11696 before make_edge with conditional EDGE_TRUE_VALUE.
11698 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11699 Jan Hubicka <jh@suse.cz>
11700 Richard Guenther <rguenther@suse.de>
11702 PR rtl-optimization/25654
11703 * cfgexpand.c (aggregate_contains_union_type): New function.
11704 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11705 for structure variables that contain a union type.
11707 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11709 * gengtype.c (new_structure): Return the structure.
11710 (create_option): Add an extra "next" argument.
11711 (create_field): New function.
11712 (adjust_field_rtx_def): Use create_option and create_field.
11713 Remove a now-unnecessary call to find_structure.
11714 (adjust_field_tree_def): Likewise.
11715 (note_yacc_type): Remove an unnecessary call to find_structure.
11716 * gengtype.h (new_structure): Return the structure.
11717 (create_option): Add an extra argument.
11718 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11719 (option): Adjust calls to create_option.
11721 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11723 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11725 2006-01-22 Paul Brook <paul@codesourcery.com>
11726 Peter Barada <peter@the-baradas.com>
11728 * config/m68k/m68k.md: Add Coldfire FPU support.
11729 Define FP mode macro and associated attributes.
11730 Use it for float mode patterns.
11731 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11732 (LIBCALL_VALUE): Use m68k_libcall_value.
11733 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11734 (m68k_function_value): Ditto.
11735 (emit_move_sequence): Ditto.
11736 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11737 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11738 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11739 (MULTILIB_EXCEPTIONS): Ditto.
11740 * config/m68k/m68k.opt: Add mcfv4e.
11741 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11742 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11743 (m68k_output_function_prologue): Save ColdFire FPU registers.
11744 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11745 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11746 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11747 ColdFire FPU registers.
11748 (m68k_libcall_value, m68k_function_value): New functions.
11749 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11750 (LIBCALL_VALUE): Use m68k_libcall_value.
11751 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11752 (MASK_COLDFIRE): Add MASK_CFV4E.
11753 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11754 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11755 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11756 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11757 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11758 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11759 * doc/invoke.tex: Document -mcfv4e on m68k.
11761 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11763 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11766 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11769 * c-opts.c (c_common_handle_option): Don't include
11770 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11771 * doc/invoke.texi (C++ Dialect Options): Document that
11772 -Wnon-virtual-dtor is no longer included in -Wall.
11774 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11776 * gcov.c (print_version), gcov-dump.c (print_version),
11777 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11780 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11782 * df-scan.c (problem_SCAN): Added NULL reset function.
11783 (df_scan_reset_blocks): Added code to call reset block function
11784 (df_bb_refs_delete) Fixed comment.
11785 (df_insn_refs_delete): Made tolerant of deleting non existent info
11786 for dataflow problems that need to be reset.
11787 * df-core.c (df_set_blocks): Ditto.
11788 * df.h (struct df_problem): Added reset_fun.
11789 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11790 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11791 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11792 functions to clear out all references to def-use or use-def chains.
11794 2006-01-21 Ben Elliston <bje@au.ibm.com>
11796 * varasm.c (assemble_real): Initialise data array.
11798 2006-01-20 Paul Brook <paul@codesourcery.com>
11800 Merge from csl-arm-branch.
11801 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11802 * config/arm/arm.md (movdi): Force operands[1] to a register
11803 if we have a non-register source.
11804 (*arm_movdi, *movdf_soft_insn): Require that one of the
11805 operands be a register.
11806 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11807 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11809 2006-01-20 DJ Delorie <dj@redhat.com>
11811 * varasm.c (initializer_constant_valid_p): Allow pointers
11812 initialized from integer constants of lesser precision.
11813 (output_constant): Allow non-int-sized pointer modes to be
11814 initialized from integer constants.
11816 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11819 * cppdefault.h (struct default_include): Add multilib flag.
11820 * cppdefault.c (cpp_include_defaults): Set it.
11821 * c.opt (-imultilib): New option.
11822 * c-opts.c (imultilib): New.
11823 (c_common_handle_option): Handle -imultilib.
11824 (c_common_post_options): Likewise.
11825 * c-incpath.c (add_standard_paths, register_include_chains):
11827 * c-incpath.h (register_include_chains): Add extra parameter.
11828 * gcc.c (do_spec_1): Generate -imultilib option.
11829 (The Specs Language): Update %I description.
11830 (process_command): Update copyright notice.
11831 * doc/cppopts.texi (-imultilib): Document.
11832 * doc/invoke.texi (-imultilib): Include in option summary.
11833 (%I): Update specs documentation.
11835 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11837 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11839 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11841 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11844 2006-01-20 Richard Guenther <rguenther@suse.de>
11845 Steven Bosscher <stevenb.gcc@gmail.com>
11847 PR rtl-optimization/24626
11848 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11849 EDGE_TRUE_VALUE if in RTL mode.
11852 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11853 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11855 2006-01-20 Dirk Mueller <dmueller@suse.com>
11858 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11859 instead of a special NOP marker.
11860 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11861 NOP marker handling.
11862 * c-common.h (empty_body_warning): Add forward declaration.
11863 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11864 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11866 2006-01-20 Paul Brook <paul@codesourcery.com>
11868 * Makefile.in (lang_checks): Keep going if mkdir fails.
11870 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11872 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11873 be able to clean out basic block when not necessary.
11874 (df_scan_free): Fixed to properly delete information if df is
11875 unused before calling df_finish.
11876 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11877 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11879 (df_bb_refs_delete): New function.
11880 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11881 * df-core.c (df_set_blocks): Added code to properly clean out
11882 unused blocks if they are not part of the blocks to consider.
11883 Added additional null check.
11884 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11885 be able to clean out basic block when not necessary
11886 * df.h (df_free_bb_function): Ditto.
11887 (df_bb_refs_delete): New function.
11888 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11889 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11890 basic block parameter to be able to clean out basic block when not
11892 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11893 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11894 Fixed to properly delete information if df is unused before
11897 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11899 PR rtl-optimization/25799
11900 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11901 Corrected confluence operator to remove bits from op2 before oring
11902 with op1 rather than removing bits from op1.
11903 (df_ru_transfer_function): Corrected test on wrong bitmap which
11904 caused infinite loop. Both of these problems were introduced in
11905 the dataflow rewrite.
11907 2006-01-19 DJ Delorie <dj@redhat.com>
11909 * reload1.c (find_reload_regs): Note the details of reload
11910 failures in the dump file.
11911 (spill_failure): Likewise.
11913 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11915 * loop-iv.c: Include df.h and hashtab.h.
11916 (enum iv_grd_result): New enum.
11917 (DF_REF_IV, DF_REF_IV_SET): New macros.
11918 (struct biv_entry): New.
11919 (df, bivs): New global variables.
11920 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11921 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11923 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11924 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11925 analyzed_for_bivness_p, record_biv): New functions.
11926 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11927 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11928 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11930 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11932 (iv_number_of_iterations): Use new interface to iv analysis.
11933 * loop-unroll.c: Do not include varray.h.
11934 (analyze_iv_to_split_insn): Use new interface to iv
11936 * loop-unswitch.c (may_unswitch_on): Ditto.
11937 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11939 (df_bb_modify): Realloc tables to the new index.
11940 (df_find_use): New function.
11941 * df.h (df_find_use): Declare.
11942 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11944 * cfgloop.h (struct rtx_iv): Remove analysed field.
11945 (iv_get_reaching_def): Removed.
11946 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11947 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11948 (loop-iv.o): Add df.h and hashtab.h dependency.
11949 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11951 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11954 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11956 (__floatundisf, __floatundidf): Likewise.
11957 * libgcc2.h (IS_IBM_EXTENDED): Define.
11959 2006-01-19 DJ Delorie <dj@redhat.com>
11961 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11963 2006-01-19 Paul Brook <paul@codesourcery.com>
11965 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11966 as nothrow when unwinding tables are disabled.
11968 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11971 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11972 of bit-field" when in system header.
11974 2006-01-19 DJ Delorie <dj@redhat.com>
11976 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11977 the 16 bit shift limit of the m16c.
11979 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11982 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11983 * config/i386/i386.c (output_set_got): Output the label if we have one
11984 for the TARGET_DEEP_BRANCH_PREDICTION case.
11986 2006-01-19 Jan Hubicka <jh@suse.cz>
11987 H.J. Lu <hongjiu.lu@intel.com>
11988 Evandro Menezes <evandro.menezes@amd.com>
11990 * invoke.texi (generic): Document
11992 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11993 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11994 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11995 (x86_use_incdec, x86_pad_returns): New variables
11996 (TARGET_CPU_DEFAULT_generic): New constant
11997 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11998 (enum processor_type): Add generic32 and generic64.
11999 * i386.md (cpu attribute): Add generic32/generic64
12000 (movhi splitter): Behave sanely when both partial_reg_dependency and
12001 partial_reg_stall are set.
12002 (K8 splitters): Enable for generic as well.
12003 * predicates.md (incdec_operand): Use TARGET_INCDEC
12004 (aligned_operand): Avoid memory mismatch stalls.
12005 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12006 * ppro.md: Enable for generic32
12007 * i386.c (generic64_cost, generic32_cost): New.
12008 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12009 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12010 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12011 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12012 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12013 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12014 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12015 x86_accumulate_outgoing_args, x86_prologue_using_move,
12016 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12017 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12018 Enable for generic.
12019 (x86_use_incdec, x86_pad_returns): New.
12020 (override_options): Add generic32 and generic64, translate "generic"
12021 to generic32/generic64 and "i686" to "generic32", refuse
12022 "generic32"/"generic64" as arch target.
12023 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12024 (ix86_reorg): Honor PAD_RETURNS.
12026 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12028 * tree-pretty-print.c (dump_generic_node): Handle
12029 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12030 * cgraph.c (cgraph_expand_queue): Rename from
12031 cgraph_analyze_queue. Update all users.
12032 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12033 cgraph_expand_queue.
12034 (cgraph_expand_all_functions): Likewise.
12035 (cgraph_finalize_pending_functions): Remove. Update callers.
12037 * tree.h (OMP_DIRECTIVE_P): Define.
12038 (OMP_PARALLEL_FN): Define.
12039 (OMP_PARALLEL_DATA_ARG): Define.
12040 (OMP_SECTIONS_SECTIONS): Define.
12041 * tree-pass.h (pass_expand_omp): Declare.
12042 * omp-low.c (struct omp_region): Declare.
12043 (struct omp_context): Remove fields 'parallel_type',
12044 'parallel_start_ix' and 'parallel_start_additional_args'.
12046 (struct omp_for_data): Rename from struct expand_omp_for_data.
12047 (omp_regions): New static variable.
12048 (root_omp_region): New static variable.
12049 (find_omp_clause): Make static.
12050 (is_in_combined_parallel_ctx): Remove.
12051 (is_combined_parallel): New.
12052 (extract_omp_for_data): Move earlier in the file.
12053 (workshare_safe_to_combine_p): New.
12054 (get_ws_args_for): New.
12055 (determine_parallel_type): Move earlier in the file.
12056 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12058 (omp_copy_decl): Likewise.
12059 (create_omp_child_function): Likewise.
12060 (lookup_omp_region): New.
12061 (dump_omp_region): New.
12062 (debug_omp_region): New.
12063 (debug_all_omp_regions): New.
12064 (new_omp_region): New.
12065 (scan_omp_parallel): If parallel_nesting_level > 1, the
12066 directive is nested within another parallel directive.
12067 Set OMP_PARALLEL_FN.
12068 (scan_omp_for): Do not try to handle combined parallel+for
12070 Remove FIXME comment.
12071 (scan_omp_nested): Remove.
12072 (scan_omp_1): Do not call scan_omp_nested when
12073 parallel_nesting_level is > 1.
12074 Do not change the DECL_CONTEXT of local variables found.
12075 (lookup_decl_in_outer_ctx): New.
12076 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12077 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12078 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12079 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12080 If CTX is nested, lookup VAR in the outer context when
12081 building copy assignment.
12082 (lower_send_clauses): Rename from expand_send_clauses.
12083 If CTX is nested, lookup VAR in the outer context when
12084 building copy assignments.
12085 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12086 If CTX is nested, lookup VAR in the outer context when
12087 building copy assignments.
12088 (expand_parallel_call): Rename from build_parallel_call.
12089 Handle combined parallel+workshare cases.
12090 Re-implement to emit code into the CFG.
12092 (expand_omp_parallel): Re-implement to emit code into the CFG.
12093 Call move_sese_region_to_fn to outline the sub-graph
12094 containing the parallel region.
12095 (expand_omp_for_1): Remove.
12096 (expand_omp_for_generic): Re-implement to emit code into the
12098 (expand_omp_for_static_nochunk): Likewise.
12099 (expand_omp_for_static_chunk): Likewise.
12100 (expand_omp_for): Likewise.
12101 (expand_omp_sections): Likewise.
12102 (remove_exit_barriers): New.
12103 (expand_omp_synch): New.
12105 (build_omp_regions_1): New.
12106 (build_omp_regions): New.
12107 (execute_expand_omp): New.
12108 (gate_expand_omp): New.
12109 (pass_expand_omp): Define.
12110 (lower_omp_sections): Rename from expand_omp_sections.
12111 Set OMP_SECTIONS_SECTIONS.
12112 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12113 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12114 (lower_omp_single): Rename from expand_omp_simple.
12115 (lower_omp_master): Rename from expand_omp_master.
12116 (lower_omp_ordered): Rename from expand_omp_ordered.
12117 (lower_omp_critical): Rename from expand_omp_critical.
12118 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12119 (lower_omp_for): Re-implement.
12120 (lower_omp_parallel): Re-implement.
12121 (lower_regimplify): Rename from expand_regimplify.
12122 (lower_omp_1): Rename from expand_omp_1.
12123 If there are syntax errors in the program, replace every
12124 OpenMP directive with NOP.
12125 Call lower_omp_* instead of expand_omp_*.
12126 (lower_omp): Rename from expand_omp.
12128 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12129 * tree-gimple.h (enum omp_parallel_type): Remove.
12130 (gimple_boolify): Declare extern.
12131 (find_omp_clause, determine_parallel_type): Remove.
12133 * gimple-low.c (lower_omp_directive): New.
12134 (lower_stmt): Call it.
12135 (record_vars_into): Move from ...
12136 (record_vars): ... here.
12137 Call record_vars_into with current_function_decl.
12139 * gimplify.c (struct gimplify_ctx): Remove fields
12140 combined_pre_p and combined_ctxp. Update users.
12141 (get_formal_tmp_var): Add documentation.
12142 (gimple_boolify): Make extern.
12143 (gimplify_expr_in_ctx): Remove. Update callers.
12144 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12145 will always be a BIND_EXPR.
12146 (gimplify_expr): Handle OMP_RETURN_EXPR.
12147 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12148 (OMP_PARALLEL): Add 3 operands.
12149 (OMP_SECTIONS): Add 1 operand.
12150 (OMP_RETURN_EXPR): Define.
12152 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12153 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12154 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12155 creating a circular free list.
12156 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12158 * tree-flow.h (move_sese_region_to_fn): Declare.
12159 (record_vars_into): Declare.
12160 * tree-cfg.c (make_omp_sections_edges): New.
12161 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12162 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12163 OMP_SECTIONS and OMP_SECTION.
12164 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12165 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12166 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12167 (gather_blocks_in_sese_region): New.
12168 (struct move_stmt_d): Declare.
12169 (move_stmt_r): New.
12170 (move_block_to_fn): New.
12171 (move_sese_region_to_fn): New.
12173 * passes.c (init_optimization_passes): Schedule
12174 pass_expand_omp after pass_init_datastructures.
12176 * tree-ssa-operands.c (get_expr_operands): Handle
12177 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12178 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12180 2006-01-19 Jeff Law <law@redhat.com>
12182 * tree-vrp.c (extract_range_from_assert): Refine the result range
12183 if the variable referenced by the ASSERT_EXPR has a range and
12184 either the tentative result range or the previous range is a
12187 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12189 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12191 2006-01-19 Jan Hubicka <jh@suse.cz>
12193 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12195 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12197 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12198 (expand_compound_operation, expand_field_assignment): Fail if the
12199 bit lengths of an extract operation are out of range.
12200 (make_extraction): Compute wanted_inner_mode based on the position
12201 and length of the extraction. Make it extraction_mode for non-constant
12202 positions, and do not modify offset in that case. When generating a
12203 new MEM, use a mode that can hold the extraction while keeping correct
12204 alignment. Remove code that supported MEMs wrapped by USEs.
12205 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12207 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12209 * config/s390/s390.md ("Y", "y"): New mode attribute.
12210 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12211 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12212 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12213 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12214 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12215 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12216 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12217 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12218 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12219 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12220 "addsi3", "subsi3"): Insn patterns removed.
12221 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12222 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12223 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12224 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12225 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12226 "*sub<mode>3_cconly2"): New insn patterns.
12227 ("addsi3", "subsi3"): New expanders.
12229 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12231 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12232 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12233 existing STMT_VINFO_VECTYPE if available.
12234 (vect_mark_relevant): Add special handling for stmts that are
12235 marked as STMT_VINFO_IN_PATTERN_P.
12236 (vect_analyze_loop): Call vect_pattern_recog.
12237 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12238 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12240 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12241 (vect_recog_func_ptr): New function-pointer type.
12242 * tree-vect-patterns.c: New file.
12243 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12244 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12245 (vect_pattern_recog_1): New functions.
12246 (vect_pattern_recog_funcs): New array of function pointers.
12248 * tree-vectorizer.h (ternary_op): New enum value.
12249 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12250 declaration. Revised documentation. Removed redundant dump prints.
12251 Removed redundant argument. Added support for reduction patterns.
12252 (vectorizable_reduction): Added support for reduction patterns.
12253 (vect_transform_stmt): Added support for patterns.
12255 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12256 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12257 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12258 (expand_widen_pattern_expr): New function.
12259 (init_optabs): Initialize new optabs udot_prod_optab,
12261 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12262 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12263 (expand_widen_pattern_expr): New function declaration.
12264 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12266 * tree-inline.c (estimate_num_insns_1): Added cases for new
12267 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12268 * tree-pretty-print.c (dump_generic_node): Likewise.
12269 (op_prio): Likewise.
12270 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12271 * tree-ssa-operands.c (get_expr_operands): Added case for
12273 * tree-vect-patterns.c (widened_name_p): New function.
12274 (vect_recog_dot_prod_pattern): Added function implementation.
12275 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12276 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12277 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12278 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12280 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12281 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12282 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12283 (init_optabs): Initialize new optabs widen_ssum_optab,
12285 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12286 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12287 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12288 use instead of type of def.
12289 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12290 function implementation.
12291 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12292 widen_ssumv8hi): New.
12294 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12297 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12300 * c-decl.c (add_flexible_array_elts_to_size): New function.
12301 (finish_decl): Use it.
12303 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12305 * diagnostic.h: Include options.h.
12306 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12307 dependancies for diagnostic.h.
12308 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12310 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12312 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12313 (ssa_ro_call_cache_valid): Ditto.
12314 * tree-ssa-alias.c (sort_tags_by_id): New function.
12315 (init_transitive_clobber_worklist): Ditto.
12316 (add_to_worklist): Ditto.
12317 (mark_aliases_call_clobbered): Ditto.
12318 (compute_tag_properties): Ditto.
12319 (set_initial_properties): Ditto.
12320 (compute_call_clobbered): Ditto.
12321 (compute_may_aliases): Call compute_call_clobbered and grouping.
12322 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12323 (compute_flow_insensitive_aliasing): Grouping now happens in our
12325 (setup_pointers_and_addressables): Remove clobbering related code.
12326 (add_may_alias): Ditto.
12327 (replace_may_alias): Ditto.
12328 (get_nmt_for): Ditto.
12329 (create_global_var):
12330 (is_escape_site): Return an escape_type enumeration.
12331 * tree-flow-inline.h (is_call_clobbered): Global var does not
12332 imply call clobbered.
12333 (mark_call_clobbered): Take a reason for marking this. Remove
12334 marking of globalness, and cache invalidation.
12335 (clear_call_clobbered): Remove cache invalidation code.
12336 * tree-dfa.c (dump_variable): If details is on, dump the reason
12338 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12340 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12341 (struct var_ann_d): Ditto.
12342 (enum escape_type): New.
12343 (mark_call_clobbered): Adjust prototype.
12344 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12345 are never call clobbered.
12346 Record reasons for escaping.
12347 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12348 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12349 (ssa_ro_call_cache_valid): Ditto.
12350 (clobbered_v_may_defs): Ditto.
12351 (clobbered_vuses): Ditto.
12352 (ro_call_vuses): Ditto.
12353 (clobber_stats): New.
12354 (init_ssa_operands): Zero out clobber stats.
12355 (fini_ssa_operands): Print out clobber stats.
12356 (get_call_expr_operands): Pass callee fndecl to
12357 add_call_read_ops).
12358 (add_call_clobber_ops): Remove use of cache.
12359 Add use of PURE_CONST information.
12360 (add_call_read_ops): Remove use of cache.
12361 Add use of static not_read information.
12363 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12365 Introduce TLS descriptors for i386 and x86_64.
12366 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12367 (TARGET_ANY_GNU_TLS): New macro.
12368 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12369 (struct machine_function): Add tls_descriptor_call_expanded_p.
12370 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12371 (ix86_current_function_calls_tls_descriptor): Likewise.
12372 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12373 (override_options): Introduce gnu2 tls dialect.
12374 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12376 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12378 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12379 (ix86_init_machine_status): Initialize new field.
12380 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12381 (ix86_tls_module_base): New.
12382 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12383 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12384 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12385 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12386 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12387 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12388 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12389 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12390 * config/i386/predicates.md (tls_modbase_operand): New.
12391 (tp_or_register_operand): New.
12393 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12395 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12396 (look_for_address_of): Ditto.
12397 (ipa_init): Walk the function decls.
12398 (static_execute): Don't set readonly on FUNCTION_DECL's.
12400 2006-01-18 Roger Sayle <roger@eyesopen.com>
12402 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12403 for shifts where the source and destination registers are different.
12405 2006-01-18 Paul Brook <paul@codesourcery.com>
12407 Merge from csl-arm-branch.
12408 2005-03-14 Julian Brown <julian@codesourcery.com>
12409 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12410 (aeabi_llsl): Likewise.
12411 (ashrdi3): Likewise.
12412 (aeabi_lasr): Likewise.
12413 (lshrdi3): Likewise.
12414 (aeabi_llsr): Likewise.
12415 2005-03-10 Julian Brown <julian@codesourcery.com>
12416 * config.gcc: Disable shared libgcc for SymbianOS.
12417 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12419 2006-01-18 DJ Delorie <dj@redhat.com>
12421 * c-pragma.c (handle_pragma_diagnostic): New.
12422 (init_pragma): Register it.
12423 * doc/extend.texi: Document it.
12425 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12426 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12427 (diagnostic_context): Add classify_diagnostic[].
12428 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12429 as errors if they're overridden to DK_WARNING.
12430 (diagnostic_initialize): Initialize classify_diagnostic[].
12431 (diagnostic_set_kind_override): New.
12432 (diagnostic_report_diagnostic): Check for kind changes.
12433 * opts.c (common_handle_option): Take lang_mask. Update callers.
12434 Handle OPT_Werror_.
12435 * common.opt (Werror=): New.
12436 * doc/invoke.texi: Document -Werror=*
12438 2006-01-18 Jeff Law <law@redhat.com>
12440 * tree-vrp.c (test_for_singularity): Correct test for new
12441 min limit. Use operand_equal_p rather than pointer equality
12442 for testing if new min/max values are equal.
12444 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12445 using range information until after propagation and folding.
12447 2006-01-18 Richard Henderson <rth@redhat.com>
12448 Aldy Hernandez <aldyh@redhat.com>
12449 Jakub Jelinek <jakub@redhat.com>
12450 Diego Novillo <dnovillo@redhat.com>
12452 * omp-low.c: New file.
12453 * c-omp.c: New file.
12455 2006-01-18 Richard Henderson <rth@redhat.com>
12456 Jakub Jelinek <jakub@redhat.com>
12457 Diego Novillo <dnovillo@redhat.com>
12459 * doc/invoke.texi: Document -fopenmp.
12460 * tree-dump.h (debug_function): Declare.
12461 * hooks.c (hook_bool_tree_bool_false): New function.
12462 (hook_tree_tree_null): Remove.
12463 (hook_tree_tree_tree_null): New.
12464 * hooks.h: Update to match.
12465 * tree-pretty-print.c (debug_tree_chain): New.
12466 (print_generic_expr): Handle TDF_CHAIN.
12467 (dump_generic_node): Handle BLOCK.
12468 Do not abort with incomplete SWITCH_EXPRs.
12469 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12470 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12471 print space after directive name.
12472 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12473 Handle OMP_MASTER and OMP_ORDERED.
12474 Handle printing of OMP_BODY just in one place, goto
12475 dump_omp_body in the rest of OMP_* nodes that have
12477 Don't handle clause nodes here. Update omp statements to
12478 use dump_omp_clauses.
12479 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12480 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12481 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12482 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12483 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12484 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12485 Adjust output for GOMP_PARALLEL.
12486 (dump_omp_clauses): New.
12487 (print_declaration): Dump DECL_VALUE_EXPR.
12488 (op_symbol_1): Split out of op_symbol.
12489 (dumping_stmts): Remove. Update all users.
12490 * cgraph.c (cgraph_analyze_queue): New.
12491 (cgraph_add_new_function): New.
12492 * cgraph.h (cgraph_analyze_queue): Declare.
12493 (cgraph_add_new_function): Declare.
12494 (cgraph_lower_function): Remove.
12495 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12496 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12497 and TYPE_P nodes in its default clause.
12498 (empty_body_p): New.
12499 (tree_range_check_failed): New.
12500 (build5_stat): New.
12501 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12502 OMP_CLAUSE_REDUCTION_MERGE,
12503 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12504 OMP_CLAUSE_PRIVATE_DEBUG,
12505 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12506 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12507 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12508 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12509 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12510 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12511 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12512 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12513 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12514 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12515 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12516 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12517 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12518 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12519 (TREE_RANGE_CHECK): New.
12520 (empty_body_p): Declare.
12521 (enum omp_clause_default_kind): New.
12522 (build_string_literal): Declare.
12523 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12524 (build5_stat, build5): Declare.
12525 * tree-pass.h (TDF_CHAIN): Define.
12526 * tree-pass.h (PROP_gimple_lomp): Define.
12527 (pass_lower_omp): Declare.
12528 * diagnostic.h (debug_tree_chain): Declare.
12529 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12531 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12532 * builtins.c (build_string_literal): Make extern.
12533 * gcc.c (include_spec_function): New.
12534 (static_spec_functions): Add it.
12535 (main): Move load of libgomp.spec ...
12536 (LINK_COMMAND_SPEC): ... here.
12537 (link_gomp_spec): New.
12538 (static_specs): Include it.
12539 (LINK_COMMAND_SPEC): Add link_gomp.
12540 (GOMP_SELF_SPECS): New.
12541 (driver_self_specs): Include it.
12542 (switch_matches): Don't mark inline.
12543 (main): Load libgomp.spec.
12544 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12545 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12546 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12547 * tree-gimple.h (enum omp_parallel): Declare.
12548 (determine_parallel_type): Declare.
12549 (omp_firstprivatize_variable): Declare.
12550 (omp_reduction_init): Declare.
12551 (diagnose_omp_structured_block_errors): Declare.
12552 (struct walk_stmt_info): Add want_return_expr.
12553 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12554 (find_omp_clause): Declare.
12555 (insert_field_into_struct): Declare.
12556 (struct walk_stmt_info): Move from tree-nested.c
12557 (walk_stmts): Declare.
12558 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12560 * cgraphunit.c (cgraph_lower_function): Make static.
12561 (cgraph_finalize_pending_functions): New.
12562 (cgraph_finalize_function): Call it.
12563 (cgraph_finalize_compilation_unit): Likewise.
12564 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12565 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12566 (BT_FN_UINT_UINT): New.
12567 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12568 DEF_FUNCTION_TYPE_VAR_4): Document.
12569 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12570 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12571 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12572 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12573 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12574 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12575 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12576 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12577 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12578 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12579 into separate files.
12580 (DEF_GOMP_BUILTIN): New.
12581 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12582 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12583 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12584 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12585 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12586 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12587 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12588 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12589 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12590 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12591 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12592 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12593 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12594 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12595 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12596 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12597 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12598 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12599 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12600 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12601 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12602 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12603 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12604 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12605 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12606 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12607 * sync-builtins.def: New file, moved from builtins.def.
12608 * omp-builtins.def: New file, moved from builtins.def.
12609 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12610 * gimple-low.c (lower_function_body): Clear data.
12611 (lower_stmt): Do not handle COMPOUND_EXPR.
12612 Remove call to print_node_brief.
12613 * c-tree.h (c_finish_omp_clauses): New prototype.
12614 (C_DECL_THREADPRIVATE_P): Define.
12615 (lookup_name_no_remap, c_omp_remap_private): Remove
12616 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12617 (check_for_loop_decls): Update decl.
12618 (lookup_name_no_remap, c_omp_remap_private): Declare.
12619 (build_indirect_ref, build_modify_expr, pushdecl,
12620 pushdecl_top_level): Move to c-common.h.
12621 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12622 before the switch, but just in the 2 places that need it.
12623 * c-decl.c (diagnose_mismatched_decls): Do not check for
12624 mismatched thread-local attributes when OLDDECL is marked
12625 threadprivate and NEWDECL has no thread-local attributes.
12626 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12627 (c_gimple_diagnostics_recursively): Rename from
12628 c_warn_unused_result_recursively. Invoke
12629 diagnose_omp_structured_block_errors.
12630 (check_for_loop_decls): Return a singular decl found.
12631 * langhooks.c (lhd_omp_predetermined_sharing): Return
12632 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12633 (lhd_omp_firstprivatize_type_sizes): New.
12634 (lhd_omp_assignment): New.
12635 (lhd_omp_predetermined_sharing): New.
12636 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12637 (struct lang_hooks_for_types): Add
12638 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12639 omp_predetermined_sharing, omp_disregard_value_expr,
12640 omp_private_debug_clause, omp_clause_default_ctor,
12641 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12642 (c_finish_omp_clauses): New.
12643 (c_finish_bc_stmt): Diagnose break within omp for.
12644 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12645 (build_unary_op): Return error_mark after reporting
12647 (build_modify_expr): Likewise.
12648 * gimplify.c: Include optabs.h and pointer-set.h.
12649 (enum gimplify_omp_var_data): Declare.
12650 (struct gimplify_omp_ctx): Declare.
12651 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12653 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12654 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12655 (splay_tree_compare_decl_uid): New.
12656 (new_omp_context): New.
12657 (delete_omp_context): New.
12658 (gimple_add_tmp_var): Call omp_add_variable.
12659 (gimplify_bind_expr): Likewise.
12660 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12661 true, disregard DECL_VALUE_EXPR on the decl if any.
12662 (gimplify_expr_in_ctx): New.
12663 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12664 omp_add_variable, omp_notice_variable, omp_is_private
12665 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12666 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12667 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12668 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12669 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12670 gimplify_omp_atomic): New.
12671 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12672 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12673 OMP_CRITICAL and OMP_ATOMIC.
12674 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12675 * c-pragma.h (enum pragma_kind): Add
12676 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12677 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12678 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12679 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12680 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12681 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12682 PRAGMA_OMP_THREADPRIVATE.
12683 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12684 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12685 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12686 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12687 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12688 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12689 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12690 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12691 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12692 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12693 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12694 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12695 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12697 (struct nesting_info): Add field_map,
12698 suppress_expansion, debug_var_chain.
12699 (create_nesting_tree): Initialize them.
12700 (lookup_field_for_decl): Use field_map.
12701 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12702 (convert_local_omp_clauses): New.
12703 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12704 (walk_body): Split out of walk_function.
12705 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12706 (convert_nonlocal_reference): Handle omp statements.
12707 (convert_local_reference): Likewise.
12708 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12709 (unnest_nesting_tree): New.
12710 (lower_nested_functions): Call it.
12711 (insert_field_into_struct): Make extern.
12712 (struct walk_stmt_info): Move to tree-gimple.h.
12713 (walk_stmts): Make extern.
12714 * omp-builtins.def: New file.
12715 * tree-iterator.c (expr_only): Clarify comment.
12716 * c-common.h (pushdecl_top_level, pushdecl,
12717 build_modify_expr, build_indirect_ref,
12718 c_finish_omp_master, c_finish_omp_critical,
12719 c_finish_omp_ordered, c_finish_omp_barrier,
12720 c_finish_omp_atomic, c_finish_omp_flush,
12721 c_finish_omp_for, c_split_parallel_clauses,
12722 omp_clause_default_kind, c_omp_sharing_predetermined,
12723 c_omp_remap_decl): Declare.
12724 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12725 (OBJS-common): Add omp-low.o.
12726 (c-omp.o, omp-low.o): Add.
12727 (gimplify.o): Add dependency on $(OPTABS_H).
12728 (GTFILES): Add omp-low.c.
12729 (gt-stringpool.h): Add.
12730 * tree-cfg.c (set_bb_for_stmt): Do not update the
12731 block-to-labels map if we are currently expanding to RTL.
12732 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12734 Handle IDENTIFIER_NODE.
12735 (tree_verify_flow_info): Do not ICE when emitting error
12736 messages about invalid labels.
12737 (dump_function_to_file): Reset CFUN before emitting the body
12739 (debug_function): New.
12740 * passes.c (init_optimization_passes): Schedule
12742 * langhooks-def.h (lhd_omp_predetermined_sharing,
12743 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12745 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12746 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12747 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12748 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12749 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12750 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12751 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12752 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12753 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12754 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12755 (LANG_HOOK_DECLS): Use them.
12757 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12758 Richard Henderson <rth@redhat.com>
12759 Jakub Jelinek <jakub@redhat.com>
12760 Diego Novillo <dnovillo@redhat.com>
12762 * c-parser.c (pragma_omp_clause): Define.
12763 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12764 (c_parser_compound_statement): Likewise.
12765 (c_parser_statement): Likewise.
12766 (c_parser_pragma): Handle omp pragmas.
12767 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12768 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12769 (c_parser_omp_clause_name, check_no_duplicate_clause,
12770 c_parser_omp_variable_list,
12771 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12772 c_parser_omp_clause_copyprivate,
12773 c_parser_omp_clause_default,
12774 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12775 c_parser_omp_clause_lastprivate,
12776 c_parser_omp_clause_nowait,
12777 c_parser_omp_clause_num_threads,
12778 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12779 c_parser_omp_clause_reduction,
12780 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12781 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12782 c_parser_omp_atomic, c_parser_omp_barrier,
12783 c_parser_omp_critical, c_parser_omp_flush,
12784 c_parser_omp_for_loop, c_parser_omp_for,
12785 c_parser_omp_master, c_parser_omp_ordered,
12786 c_parser_omp_sections_scope, c_parser_omp_sections,
12787 c_parser_omp_parallel, c_parser_omp_single,
12788 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12789 * c-pragma.c (init_pragma): Do omp pragma registration here.
12790 * c.opt (fopenmp): New flag.
12792 2006-01-18 Eric Christopher <echristo@apple.com>
12794 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12795 * config/darwin.h (GOMP_SELF_SPECS): Define.
12797 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12799 * rtl.h: Remove the prototype for reg_alloc.
12801 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12804 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12805 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12806 sjlj and dwarf2 exception handling.
12807 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12808 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12809 * pa/pa.c (function_value): Treat complex and vector types as
12811 (function_arg): Likewise. Only pass scalar floats in the floating
12812 point argument registers.
12813 * pa/t-slibgcc-dwarf-ver: New file.
12814 * pa/t-slibgcc-sjlj-ver: New file.
12815 * pa/t-slibgcc-elf-ver: Delete file.
12817 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12819 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12820 unlikely_test_section_p test.
12822 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12824 * mode-switching.c (optimize_mode_switching): Make it static.
12825 * basic-block.h: Remove the prototype for
12826 optimize_mode_switching.
12828 * modulo-sched.c (sms_schedule): Make it static.
12829 * rtl.h: Remove the prototype for sms_schedule.
12831 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12832 * rtl.h: Remove the prototype for gcse_after_reload_main.
12834 * reg-stack.c (reg_to_stack): Make it static.
12835 * rtl.h: Remove the prototype for reg_to_stack.
12837 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12839 * rtl.h: Remove the prototypes for regrename_optimize and
12840 copyprop_hardreg_forward.
12842 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12844 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12845 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12846 Test against the appropriate null constant for the mode.
12847 If 'fixup_overlap' is true, swap the operands if they overlap.
12848 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12849 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12850 alpha_split_tmode_pair and adjust for above change.
12851 * config/alpha/alpha.md (movtf_internal): Adjust call to
12852 alpha_split_tfmode_pair and rely on it to swap the operands.
12853 (movti_internal): New insn and post-reload splitter.
12854 (movti): New expander.
12856 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12858 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12861 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12863 * rtlanal.c (global_reg_mentioned_p_1,
12864 global_reg_mentioned_p): Remove.
12865 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12867 * flow.c (initialize_uninitialized_subregs): Make it static.
12868 * rtl.h: Remove the prototype for
12869 initialize_uninitialized_subregs.
12871 * function.c (instantiate_virtual_regs): Make it static.
12872 * function.h: Remove the prototype for
12873 instantiate_virtual_regs.
12875 * regmove.c (regmove_optimize, combine_stack_adjustments):
12877 * rtl.h: Remove the prototypes for regmove_optimize and
12878 combine_stack_adjustments.
12880 2006-01-17 Roger Sayle <roger@eyesopen.com>
12882 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12883 (size_cost): Encode costs in bytes so that a reg-reg addition is
12884 equivalent to COSTS_N_INSNS(1).
12885 (override_options): Use the size_cost.branch_cost as the default
12886 ix86_branch_cost when optimizing for size.
12888 2006-01-18 Ben Elliston <bje@au.ibm.com>
12890 * Makefile.in (D32PBIT_FUNCS): New.
12891 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12892 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12893 D64PBIT_FUNCS and D128PBIT_FUNCS.
12894 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12895 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12897 (decnumber_dep): Define.
12898 * doc/libgcc.texi (Decimal float library routines): New node.
12899 * config/dfp-bit.h, config/dfp-bit.c: New files.
12901 2006-01-18 Ben Elliston <bje@au.ibm.com>
12903 * expr.c (emit_move_change_mode): Always adjust addresses, not
12904 just during reload. Copy replacements only during reload.
12905 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12906 emit_move_via_integer.
12908 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12910 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12911 instead of $(srcdir) and ${srcdir}.
12913 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12916 PR middle-end/11135
12917 * arm.h (struct machine_function): Add pic_reg.
12918 * arm.c (arm_pic_register): Make unsigned.
12919 (arm_override_options): Only set arm_pic_register if
12920 TARGET_SINGLE_PIC_BASE.
12921 (use_return_insn): Only test for a pic register if it is fixed.
12922 (arm_compute_save_reg0_reg12_mask): Likewise.
12923 (thumb_compute_save_reg_mask): Likewise.
12924 (legitimate_pic_operand): Factor out some known invariants.
12925 (legitimize_pic_address): If we don't have a fixed pic register,
12926 then set up a pseudo in the function entry sequence. Handle the
12927 pic base being in a pseudo.
12928 (arm_load_pic_register): Handle the pic register being in a pseudo.
12929 (arm_expand_prologue): Only set up the pic register if it is fixed.
12930 (thumb_expand_prologue): Likewise.
12931 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12932 (pic_load_addr_based_insn): Likewise.
12933 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12936 2006-01-18 Ben Elliston <bje@au.ibm.com>
12938 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12939 decimal float modes for all floating point registers.
12941 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12942 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12944 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12947 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12948 even when the pointer is not NULL.
12950 2006-01-16 Ian Lance Taylor <ian@airs.com>
12952 * common.opt (ftoplevel-reorder): New option.
12953 * cgraph.c (cgraph_asm_nodes): New global variable.
12954 (cgraph_asm_last_node): New static variable.
12955 (cgraph_order): New global variable.
12956 (cgraph_create_node): Set new order field.
12957 (cgraph_varpool_node): Likewise.
12958 (decide_is_variable_needed): Return true if not
12959 flag_toplevel_reorder.
12960 (cgraph_add_asm_node): New function.
12961 * cgraph.h (struct cgraph_node): Add order field.
12962 (struct cgraph_varpool_node): Add order field.
12963 (struct cgraph_asm_node): Define.
12964 (cgraph_asm_nodes, cgraph_order): Declare.
12965 (cgraph_add_asm_node): Declare.
12966 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12968 (cgraph_varpool_assemble_pending_decls): Call it.
12969 (cgraph_output_pending_asms): New static function.
12970 (cgraph_finalize_compilation_unit): Call it.
12971 (struct cgraph_order_sort): Define.
12972 (cgraph_output_in_order): New static function.
12973 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12974 !flag_toplevel_reorder case.
12975 * c-parser.c: Include "cgraph.h".
12976 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12978 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12979 than -fno-unit-at-a-time.
12980 * doc/invoke.texi (Option Summary): Mention
12981 -fno-toplevel-reorder.
12982 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12983 -funit-at-a-time documentation.
12985 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12986 Kazu Hirata <kazu@codesourcery.com>
12988 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12990 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12992 * Makefile.in (FUNCTION_H): New. Use it instead of
12993 function.h throughout the file.
12994 * function.h: Include tree.h.
12996 2006-01-17 Ben Elliston <bje@au.ibm.com>
12998 * recog.c: Separate some functions with whitespace.
13000 2006-01-16 Richard Henderson <rth@redhat.com>
13002 Merge from gomp branch:
13003 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13004 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13005 and rename from struct inline_data. Rename callee* to dst*;
13006 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13007 transform_new_cfg, transform_return_to_modify, and
13008 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13010 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13011 (copy_decl_for_dup): Remove.
13012 * tree-inline.c (struct inline_data): Move to header.
13013 (insert_decl_map): Export.
13014 (remap_decl): Update for member name changes. Use copy_decl hook.
13015 Allow for replacement to be a non-decl. Remove dead code.
13016 (remap_type_1): Check for existing mapping.
13017 (remap_type): Export.
13018 (remap_decls): Update for member name changes.
13019 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13020 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13021 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13022 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13023 (tree_function_versioning, build_duplicate_type): Likewise.
13024 (copy_body_r): Likewise. Export.
13025 (copy_decl_for_dup): Split into ...
13026 (copy_decl_for_dup_finish, copy_decl_to_var,
13027 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13028 (replace_ref_tree, inlining_p): Remove.
13030 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13032 * ifcvt.c (if_convert): Make it static.
13033 * rtl.h: Remove the prototype for if_convert.
13035 * local-alloc.c (local_alloc): Make it static.
13036 * rtl.h: Remove the prototype for local_alloc.
13038 * loop.c (loop_optimize): Make it static.
13039 * cfgloop.h: Remove the prototype for loop_optimize.
13042 2006-01-16 DJ Delorie <dj@redhat.com>
13044 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13047 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13049 * pa.md: Disparage copies between general and floating-point registers
13050 in 32-bit move patterns.
13052 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13055 * Makefile.in (check-%): Depend on site.exp instead of
13056 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13059 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13061 * global.c (global_alloc): Make it static.
13062 * rtl.h: Remove the prototype for global_alloc.
13064 2006-01-16 Richard Guenther <rguenther@suse.de>
13066 * tree-ssa-alias.c (struct used_part): Add write_only field.
13067 (get_or_create_used_part_for): Initialize it to true.
13068 (create_overlap_variables_for): Don't create structure variables
13069 for structures that only are written to.
13070 (find_used_portions): Handle MODIFY_EXPR to track whether a
13071 structure is only written to.
13073 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13075 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13077 * basic-block.h: Remove the prototype for
13078 partition_hot_cold_basic_blocks.
13080 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13082 * cppspec.c (lang_specific_spec_functions): Remove.
13083 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13084 * gcc.h (lang_specific_spec_functions): Remove.
13085 * gccspec.c (lang_specific_spec_functions): Remove.
13087 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13089 * combine.c (record_value_for_reg): Invalidate registers
13091 (record_dead_and_set_regs_1): Likewise, by passing them to
13092 record_value_for_reg.
13093 (record_dead_and_set_regs): Invalidate stores made by a
13094 call. We do not combine across a call, but we still
13095 relied on equivalences.
13097 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13099 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13100 vrp_int_const_binop returning non-constant nodes.
13102 2006-01-16 Paul Brook <paul@codesourcery.com>
13104 * config/m68k/m68k.c (output_move_const_into_data_reg):
13105 Output correct mnemonic for mvz and mvs.
13107 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13109 * rtl-factoring.c: Add sequence abstraction algorithm.
13110 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13111 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13113 (block_has_preserve_label): New function.
13114 * common.opt: Register new pass.
13115 * Makefile.in: Ditto.
13117 * timevar.def: Ditto.
13118 * tree-pass.h: Ditto.
13119 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13120 * rtl.h (make_jump_insn_raw): Add forward decl.
13121 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13123 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13124 Roger Sayle <roger@eyesopen.com>
13126 * fold-const.c (fold_minmax): New static function.
13127 (fold_binary) <MIN_EXPR>: Call it.
13128 <MAX_EXPR>: Likewise.
13129 * stor-layout.c (place_field): Use DECL_SIZE consistently
13130 in the computation of the new record size.
13132 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13134 * cse.c (cse_condition_code_reg): Make it static.
13135 * rtl.h: Remove the prototype for cse_condition_code_reg.
13137 * combine.c (combine_instructions): Make it static.
13138 * rtl.h: Remove the prototype for combine_instructions.
13140 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13143 * tree.c (get_file_function_name_long): Concatenate the first global
13144 object name with a string derived from the input filename of the object
13147 2006-01-16 Ben Elliston <bje@au.ibm.com>
13149 * config/i386/winnt-stubs.c: Update FSF address.
13150 * config/xtensa/ieee754-df.S: Ditto.
13151 * config/xtensa/ieee754-sf.S: Ditto.
13153 2006-01-14 Ian Lance Taylor <ian@airs.com>
13155 * ifcvt.c (noce_init_if_info): New static function, broken out of
13156 noce_process_if_block.
13157 (noce_process_if_block): Call noce_init_if_info.
13158 (check_cond_move_block): New static function.
13159 (cond_move_process_if_block): New static function.
13160 (process_if_block): Call cond_move_process_if_block.
13162 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13164 * cselib.c (hash_table): Rename to cselib_hash_table.
13165 (cselib_clear_table, discard_useless_values,
13166 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13167 cselib_init, cselib_finish): Adjust uses of hash_table.
13169 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13171 PR tree-optimization/25485
13172 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13173 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13174 is known to be false and true, respectively.
13176 2006-01-14 Richard Guenther <rguenther@suse.de>
13178 PR tree-optimization/22548
13179 PR tree-optimization/22555
13180 PR tree-optimization/22501
13181 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13182 * params.def (salias-max-array-elements): New parameter.
13183 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13184 * doc/invoke.texi (salias-max-array-elements): Document.
13185 * tree-flow-inline.h (var_can_have_subvars): We also handle
13187 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13189 * tree-ssa-structalias.c (params.h): Include.
13190 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13191 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13192 (get_constraint_for): For ADDR_EXPR operating on something
13193 containing an ARRAY_REF, add all subvars to the solution.
13194 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13195 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13196 for creating MUST_DEFs.
13197 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13199 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13201 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13203 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13204 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13205 number_of_iterations_le): New functions.
13206 (number_of_iterations_special): Removed.
13207 (number_of_iterations_exit): Do not use number_of_iterations_special.
13208 * tree.c (unsigned_type_for): Always return integer type.
13210 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13211 Richard Guenther <rguenther@suse.de>
13213 PR rtl-optimization/24257
13214 * gcse.c (find_moveable_store): Only consider a store movable
13215 when the SET_SRC of the insn can be assigned to a register.
13217 2006-01-14 Ian Lance Taylor <ian@airs.com>
13219 * tree.c (tree_not_class_check_failed): New function.
13220 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13221 (tree_not_class_check_failed): Declare.
13223 2006-01-13 Ian Lance Taylor <ian@airs.com>
13225 * reload1.c (do_output_reload): Add assertion rejecting a
13228 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13230 * combine.c (struct reg_stat): Add new fields truncation_label and
13232 (record_value_for_reg): Reset truncated_to_mode.
13233 (record_truncated_value): New function.
13234 (check_promoted_subreg): Call it. Rename to check_conversions.
13235 (combine_instructions): Rename check_promoted_subreg to
13237 (reg_truncated_to_mode): New function.
13238 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13239 (gen_lowpart_or_truncate): New function.
13240 (force_to_mode): Use it instead of gen_lowpart.
13242 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13244 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13245 VAR is a tag, not its type tag.
13247 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13249 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13250 alternatives to match style of other entries.
13251 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13253 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13255 PR tree-optimization/25771
13256 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13259 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13262 * tree-inline.c (declare_return_variable): If the return variable
13263 was marked as a non gimple complex, set the return slot variable
13264 to be a non gimple comple variable.
13266 2006-01-13 Richard Guenther <rguenther@suse.de>
13268 * builtins.c (expand_builtin_sincos): New function.
13269 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13271 (expand_builtin): Expand sincos using expand_builtin_sincos.
13273 2006-01-12 DJ Delorie <dj@redhat.com>
13275 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13276 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13277 so that constant shifts can be split.
13278 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13279 (m32c_valid_pointer_mode): Make static.
13280 (shift_gen_func_for): New.
13281 (m32c_prepare_shift): Use it. Split large const shifts into
13283 * config/m32c/predicates.md (shiftcount_operand): Allow more
13285 (longshiftcount_operand): New.
13286 * doc/md.texi (Machine Constraints): Document In6.
13288 2006-01-13 Ben Elliston <bje@au.ibm.com>
13290 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13291 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13294 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13296 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13297 to try to avoid clobbering pieces of structures when we know
13298 something about the whole structure.
13299 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13301 2006-01-13 Ben Elliston <bje@au.ibm.com>
13303 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13304 return in memory, as this is no limitation is no longer present.
13306 2006-01-12 DJ Delorie <dj@redhat.com>
13308 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13309 mova with fb, and for fb+0 -> An.
13311 * config/m32c/mov.md (peephole2): Fix enabling logic.
13313 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13314 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13315 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13316 FINI_ARRAY_SECTION_ASM_OP): Define.
13318 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13320 (m32c_legitimize_reload_address): New logic to reload FB to An.
13321 (m32c_output_reg_push): Add newline.
13322 (m32c_output_reg_pop): Likewise.
13324 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13326 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13328 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13330 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13332 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13334 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13337 2006-01-11 Ben Elliston <bje@au.ibm.com>
13339 * rtlanal.c (find_reg_note): Assert insn is not null.
13341 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13343 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13346 2006-01-11 Jeff Law <law@redhat.com>
13348 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13350 (mark_threaded_blocks, register_jump_thread): New functions.
13351 (thread_through_all_blocks): Remove unwanted argument. No
13352 longer rely on e->aux to communicate thread target info.
13353 Call mark_threaded_blocks. Release the threaded_blocks
13354 bitmap and threaded_edges vector when complete.
13355 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13356 (threaded_blocks): Remove.
13357 (tree_ssa_dominator_optimize): Remove initialization and
13358 finalization of threaded_blocks. Simplify call to
13359 thread_through_all_blocks.
13360 (thread_across_edge): Call register_jump_thread rather than
13361 storing thread information into e->aux.
13362 (free_all_edge_infos): Simplify now that e->aux is no longer
13363 used to communicate with thread_through_all_blocks.
13364 * tree-flow.h (thread_through_all_blocks): Update prototype.
13365 (register_jump_thread): Prototype.
13367 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13369 * df-core.c (df_compact_blocks, df_bb_replace): Use
13370 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13372 2006-01-11 Richard Guenther <rguenther@suse.de>
13374 PR tree-optimization/25734
13375 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13376 stop propagation after successful propagation to the LHS.
13378 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13380 * basic-block.h (control_flow_graph): Change the type of
13381 x_basic_block_info to VEC(basic_block,gc) *.
13382 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13384 (SET_BASIC_BLOCK): New.
13385 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13386 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13387 * cfgbuild.c (find_basic_blocks): Likewise.
13388 * cfglayout.c (fixup_reorder_chain): Likewise.
13389 * cfgrtl.c (create_basic_block_structure,
13390 rtl_create_basic_block): Likewise.
13391 * ifcvt.c (find_if_case_1): Likewise.
13392 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13395 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13397 * Makefile.in: Removed rotted odf.c entry.
13399 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13402 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13403 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13404 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13405 output pattern modifier, not %e.
13406 * config/cris/cris.c (cris_op_str): Update comment about pattern
13408 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13409 before falling through into...
13410 <case 'E'>: Redefined from old 'e' case.
13412 2006-01-11 Jan Hubicka <jh@suse.cz>
13415 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13417 2006-01-11 Jan Hubicka <jh@suse.cz>
13419 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13420 * i386.c (x86_decompose_lea): Kill.
13421 (ix86_rtx_costs): Kill.
13423 2006-01-11 Jan Hubicka <jh@suse.cz>
13425 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13426 * cgraph.h (cgraph_node): Add inline_decl.
13427 (cgraph_insert_node_to_hashtable): Declare.
13428 (save_inline_function_body): Declare.
13429 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13431 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13432 (cgraph_function_versioning): Update call of tree_function_versioning.
13433 (save_inline_function_body): New function.
13434 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13435 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13436 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13437 (cgraph_default_inline_p): Likewise.
13438 (cgraph_decide_inlining_incrementally): Likewise.
13439 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13440 (copy_bb): Kill saving; do updating of clones.
13441 (copy_cfg_body): Kill saving.
13442 (initialize_inlined-parameters): Likewise.
13443 (expand_call_inline): Likewise.
13445 (tree_function_versioning): New parameter "update_clones".
13446 (inlining_p): Kill saving.
13447 * tree-inline.h (tree_function_versioning): Update prototype.
13448 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13451 2006-01-11 Ian Lance Taylor <ian@airs.com>
13453 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13454 Allow undoing set of machine mode.
13455 (do_SUBST): Use enums instead of is_int.
13456 (do_SUBST_MODE): New function.
13457 (SUBST_MODE): New macro.
13458 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13459 reg and trying to replace reg_regno_rtx with a new register.
13460 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13461 (simplify_set): Use SUBST_MODE.
13462 (distribute_notes): Remove code that tried to update reg notes
13463 for regno_reg_rtx changes.
13465 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13467 PR tree-optimization/23109
13468 PR tree-optimization/23948
13469 PR tree-optimization/24123
13471 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13472 * tree-cfg.c (single_noncomplex_succ): New.
13473 * tree-flow.h (single_noncomplex_succ): Declare it.
13474 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13475 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13476 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13477 insert_bb, register_division_in, insert_reciprocals,
13478 replace_reciprocal, free_bb): New.
13479 (execute_cse_reciprocals_1): Rewritten.
13480 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13481 Do not commit any edge insertion. Always compute dominators and
13482 create the allocation pool.
13483 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13484 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13485 * targhooks.c (default_min_divistions_for_recip_mul): New.
13486 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13487 * passes.c (init_optimization_passes): Run recip after tree loop
13489 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13491 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13492 Kenneth Zadeck <zadeck@naturalbridge.com>
13494 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13495 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13496 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13497 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13498 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13499 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13500 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13501 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13502 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13503 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13504 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13505 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13506 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13507 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13508 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13509 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13510 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13511 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13512 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13513 DF_SCAN_POST_ALLOC): New macros.
13514 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13515 df_free_bb_function, df_local_compute_function, df_init_function,
13516 df_dataflow_function, df_confluence_function_0,
13517 df_confluence_function_n, df_transfer_function,
13518 df_finalizer_function, df_free_function, df_dump_problem_function,
13519 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13520 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13521 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13522 df_urec_bb_info, ) New types.
13523 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13525 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13526 df_analyze_simple_change_some_blocks,
13527 df_analyze_simple_change_one_block, df_compact_blocks,
13528 df_bb_replace, df_bb_regno_last_use_find,
13529 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13530 df_insn_regno_def_p, df_find_def, df_find_use,
13531 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13532 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13533 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13534 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13535 debug_df_chain, df_get_dependent_problem, df_chain_create,
13536 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13537 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13538 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13539 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13540 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13541 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13542 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13543 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13544 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13545 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13546 df_reorganize_refs, df_set_state, df_hard_reg_init,
13547 df_read_modify_subreg_p) New public functions.
13548 * df-core.c: The core dataflow solver and glue routines for rtl
13550 (df_init, df_add_problem, df_set_blocks, df_finish,
13551 df_hybrid_search_forward, df_hybrid_search_backward,
13552 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13553 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13554 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13555 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13556 df_reg_defined, df_find_use, df_reg_used, df_dump,
13557 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13558 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13559 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13560 debug_df_useno, reset_df_after_reload): New functions.
13561 * df-scan.c: The scanning fuctions, once in df.c, completely
13562 rewritten so that they now fully model the functionality of
13563 register usage at the backend.
13564 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13565 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13566 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13567 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13568 df_get_artificial_defs, df_get_artificial_uses,
13569 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13570 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13571 df_refs_delete, df_reorganize_refs, df_set_state,
13572 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13573 df_def_record_1, df_defs_record, df_uses_record,
13574 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13575 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13576 df_record_exit_block_uses, df_hard_reg_init): New functions.
13578 * df-problems.c: Seven concrete dataflow problems that use the
13579 scanning in df-scan.c and are solved by the engine in df-core.c.
13580 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13581 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13582 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13583 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13584 df_ru_free_bb_info, df_ru_alloc,
13585 df_ru_bb_local_compute_process_def,
13586 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13587 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13588 df_ru_transfer_function, df_ru_free, df_ru_dump,
13589 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13590 df_rd_free_bb_info, df_rd_alloc,
13591 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13592 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13593 df_rd_transfer_function, df_rd_free, df_rd_dump,
13594 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13595 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13596 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13597 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13598 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13599 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13600 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13601 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13602 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13603 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13604 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13605 df_urec_mark_reg_use_for_earlyclobber,
13606 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13607 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13608 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13609 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13610 df_chain_create_bb_process_use, df_chain_create_bb,
13611 df_chain_finalize, df_chain_free, df_chains_dump,
13612 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13613 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13614 df_reg_lifetime): New functions.
13615 * df.c: Deleted file.
13616 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13617 consistent with new df api.
13618 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13619 rest_of_handle_sms): Ditto.
13620 * web.c (unionfind_union, union_defs, entry_register, web_main):
13622 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13623 invariant_expr_equal_p, find_defs, check_dependencies,
13624 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13625 free_inv_motion_data, move_loop_invariants): Ditto.
13626 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13627 Update dependencies.
13628 (odf.c): Added defective entry that was deleted later in day.
13629 * sched-deps.c (sched_analyze_1): Ditto.
13631 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13633 * tree-ssa-operands.c (get_expr_operands): Record addressable
13634 variables directly. Do not call add_stmt_operands for CONST_DECLs
13636 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13637 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13639 2006-01-11 Ben Elliston <bje@au.ibm.com>
13641 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13642 function returns true in the positive case.
13644 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13647 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13648 for SI, DI, SF and DF modes. Add alternatives to copy between
13649 general and floating point registers to the 32-bit patterns.
13650 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13651 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13652 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13653 generating 64-bit code.
13654 * config/pa/pa.c (output_move_double): Handle copies between general
13655 and floating registers.
13657 2006-01-10 Stuart Hastings <stuart@apple.com>
13659 * config/i386/i386.md (set_got): Update.
13660 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13661 (builtin_setjmp_receiver): Mach-O support.
13662 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13663 (GOT_SYMBOL_NAME): Define.
13664 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13665 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13666 * config/i386/i386.c (override_options): Revise for Darwin.
13667 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13668 support. (darwin_x86_file_end): New. (output_set_got): Add label
13669 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13670 * config/i386/i386-protos.h (output_set_got): Likewise.
13671 * config/darwin.c (machopic_legitimize_pic_address): Update
13674 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13676 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13677 when MODE isn't BLKmode.
13679 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13681 PR rtl-optimization/25367
13682 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13684 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13687 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13688 for a negative bound.
13690 2006-01-10 Richard Guenther <rguenther@suse.de>
13692 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13693 Never override with anything constraint.
13695 2006-01-10 Jan Beulich <jbeulich@novell.com>
13697 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13698 256 bits when optimize_size.
13700 2006-01-10 Jan Beulich <jbeulich@novell.com>
13702 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13704 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13705 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13708 2006-01-10 Ben Elliston <bje@au.ibm.com>
13710 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13712 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13713 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13714 (USE_FP_FOR_ARG): Reject decimal float modes.
13715 (function_arg_advance): Likewise.
13716 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13717 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13718 point types in AltiVec vectors.
13719 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13720 (rs6000_libcall_value): Likewise.
13722 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13724 * config/xtensa/ieee754-df.S: New file.
13725 * config/xtensa/ieee754-sf.S: New file.
13726 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13727 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13728 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13730 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13732 * config/sh/predicates.md (binary_float_operator,
13733 binary_logical_operator, commutative_float_operator,
13734 equality_comparison_operator, greater_comparison_operator,
13735 less_comparison_operator, logical_operator,
13736 noncommutative_float_operator, shift_operator,
13737 symbol_ref_operand, unary_float_operator): Remove redundant
13740 2006-01-09 Jeff Law <law@redhat.com>
13742 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13743 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13744 now unused arguments. Callers updated.
13745 (eliminate_redundant_computations): Remove now unused arguments,
13747 (local_fold): Remove, no longer used.
13748 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13750 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13751 (simplify_cond): New function.
13752 (forward_propagate_into_cond): Call simplify_cond.
13754 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13756 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13757 (*vec_extractv2di_1_sse): New.
13759 2006-01-09 Ben Elliston <bje@au.ibm.com>
13761 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13763 2006-01-08 Richard Guenther <rguenther@suse.de>
13765 * tree-ssa-structalias.c (get_constraint_for): Remove
13766 anyoffset argument.
13767 (get_constraint_for_component_ref): Likewise.
13768 (do_deref): Likewise.
13769 (get_constraint_for): Likewise.
13770 (do_structure_copy): Likewise.
13771 (handle_ptr_arith): Likewise.
13772 (find_func_aliases): Likewise. Remove unused need_anyoffset
13775 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13776 Kaz Kojima <kkojima@gcc.gnu.org>
13778 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13779 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13780 (EXTRA_CONSTRAINT_C16): Remove.
13781 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13782 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13783 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13784 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13785 constants of SHmedia. Handle nested constant expressions of
13787 (andcosts): Fix the costs for SHmedia constants.
13788 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13789 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13790 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13791 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13792 (movv4hi_i, movv2si_i): Likewise.
13793 (movsi_const): Adjust the second operand of ior so to match with
13794 the Csu constraint.
13795 (movdi_const, movdi_const_32bit): Likewise.
13796 (movdi_const_16bit+1): Don't sign-extend LOW.
13797 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13799 (*double_shori): Fix the split condition. Use GEN_INT instead
13800 of get_int_mode calls. Mask lower 16-bit of the argument of
13802 (sym2GOTPLT): Remove.
13803 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13805 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13806 instead of EXTRA_CONSTRAINT_C16.
13808 2006-01-07 Ian Lance Taylor <ian@airs.com>
13809 David Edelsohn <edelsohn@gnu.org>
13811 PR rtl-optimization/25662
13812 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13813 for constant operands instead of simplify_gen_binary.
13814 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13815 after trying simplify_binary_operation
13817 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13819 * tree.c (iterative_hash_expr): Hash decls based on UID.
13821 2006-01-06 Eric Christopher <echristo@apple.com>
13823 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13824 (TARGET_UNWIND_EMIT): Fix spelling.
13825 * target.h (gcc_target): Add except_table_label.
13826 * except.c (output_function_exception_table): Use.
13827 * varasm.c (default_emit_except_table_label): New.
13828 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13830 (asm_out): Add here.
13831 * output.h (default_emit_except_table_label): Prototype.
13832 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13833 * config/darwin.c (darwin_emit_except_table_label): Define.
13834 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13836 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13838 PR tree-optimization/18527
13839 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13840 number_of_iterations_special, number_of_iterations_exit):
13841 Move base and step of an iv to a single structure. Add
13842 no_overflow flag, and use it in # of iterations analysis.
13843 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13844 folded_casts argument.
13845 (simple_iv): Pass base and step in a structure. Set no_overflow
13847 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13848 Evaluate expensiveness of computing # of iterations instead of
13849 the final expression.
13850 * tree-scalar-evolution.h (affine_iv): New structure.
13851 (simple_iv): Declaration changed.
13852 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13853 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13854 find_givs_in_stmt): Changed due to simple_iv change.
13856 2006-01-06 Jeff Law <law@redhat.com>
13859 * tree-cfg.c (bsi_replace): Rename final argument from
13860 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13861 change (stmt -> orig_stmt).
13862 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13863 (bsi_remove): Add new argument. Remove EH information
13865 (verify_eh_throw_table_statements): New function.
13866 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13868 * tree-optimize.c (execute_free_cfg_annotations): Verify
13869 the EH throw statement table after removing annotations.
13870 * except.h (verify_eh_throw_table_statements): Prototype.
13871 * tree-flow.h (bsi_remove): Update prototype.
13872 * tree-vrp.c (remove_range_assertions): Add new argument to
13874 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13875 * tree-complex.c (expand_complex_div_wide): Likewise.
13876 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13877 * tree-tailcall.c (eliminate_tailcall): Likewise.
13878 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13879 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13880 * tree-nrv.c (tree_nrv): Likewise.
13881 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13882 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13883 (combine_blocks): Likewise.
13884 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13885 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13886 (cleanup_control_flow): Likewise.
13887 (remove_forwarder_block): Likewise.
13888 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13889 * tree-sra.c (sra_replace): Likewise.
13890 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13891 (forward_propagate_single_use_vars): Likewise.
13892 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13893 * tree-inline.c (expand_call_inline): Likewise.
13894 * tree-vect-transform.c (vect_transform_loop): Likewise.
13895 * tree-outof-ssa.c (rewrite_trees): Likewise.
13896 * tree-cfg.c (make_goto_expr_edges): Likewise.
13897 (cleanup_dead_labels): Likewise.
13898 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13899 (bsi_move_before, bsi_move_after): Likewise.
13900 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13901 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13903 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13906 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13908 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13909 on non gimple variables. Also add checks at the top for decls and
13911 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13913 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13914 and IMAGPART_EXPR for creating MUST_DEFs.
13915 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13916 and NAME_MEMORY_TAG separately from the DECLs.
13918 2006-01-06 Richard Guenther <rguenther@suse.de>
13920 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13921 annotation, if necessary.
13922 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13923 redundant calls to update_stmt.
13924 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13927 2006-01-05 Richard Henderson <rth@redhat.com>
13929 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13931 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13933 * c-typeck.c: Update copyright date.
13935 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13937 * c-typeck.c (build_c_cast): Always warn when casting
13938 from a pointer to an integer of different size, even if
13939 the node was constant.
13941 2006-01-05 Richard Guenther <rguenther@suse.de>
13943 PR tree-optimization/22555
13944 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13945 if one structure field is an array.
13946 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13947 operands even if we found a subvar, but ignore VOPs in this
13949 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13951 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13953 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13955 PR middle-end/24998
13956 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13958 2006-01-05 Richard Guenther <rguenther@suse.de>
13959 Diego Novillo <dnovillo@redhat.com>
13961 * tree-pass.h (TODO_remove_unused_locals): Define.
13962 * gimple-low.c (expand_var_p, remove_useless_vars,
13963 pass_remove_useless_vars): Remove. Update all users.
13964 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13965 (remove_unused_locals): New function.
13966 * tree-flow.h (remove_unused_locals): Declare.
13967 * passes.c (execute_todo): Call remove_unused_locals if
13968 TODO_remove_unused_locals is set.
13969 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13970 * tree-ssa-dce.c (pass_dce): Likewise.
13971 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13973 2006-01-05 Richard Guenther <rguenther@suse.de>
13975 * tree-flow.h (struct fieldoff): Decompose field to
13976 type, size and decl.
13977 * tree-ssa-alias.c (create_sft): Take type as parameter.
13978 (create_overlap_variables_for): Store type, size and decl
13979 in the fieldoff structure.
13980 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13981 of struct fieldoff.
13982 (push_fields_onto_fieldstack): Likewise.
13983 (create_variable_info_for): Likewise. Use offset for the
13984 SFT name if the decl is not available.
13986 2006-01-04 Paul Brook <paul@codesourcery.com>
13988 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13990 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13992 * lambda-code.c (can_put_in_inner_loop): Relax
13994 (can_put_after_inner_loop): New function.
13995 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13996 (perfect_nestify): Change to make copies and modify uses.
13998 2006-01-04 Richard Henderson <rth@redhat.com>
14000 Merge from gomp branch:
14001 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14002 via integer constant.
14003 (pragma_lex): Remove.
14004 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14005 rather than parsing it.
14006 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14007 handle_pragma_extern_prefix): Add %< %> quotes.
14008 (registered_pragmas): New.
14009 (c_register_pragma_1): New.
14010 (c_register_pragma): Use it.
14011 (c_register_pragma_with_expansion): Likewise.
14012 (c_invoke_pragma_handler): New.
14013 (init_pragma): Use cpp_register_deferred_pragma directly for
14015 * c-pragma.h (enum pragma_kind): New.
14016 (pragma_handler): New.
14017 (c_invoke_pragma_handler): Declare.
14018 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14020 * c-common.h (c_common_pch_pragma): Update decl.
14021 * Makefile.in (c-parser.o): Update dependencies.
14022 (GTFILES): Add c-pragma.h.
14023 * c-parser.c (struct c_token): Add pragma_kind.
14024 (struct c_parser): Add in_pragma.
14025 (c_lex_one_token): Always initialize keyword and pragma_kind.
14026 Extract data for CPP_PRAGMA.
14027 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14028 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14029 Don't allow CPP_PRAGMA_EOL if in_pragma.
14030 (c_parser_consume_pragma): New.
14031 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14032 (c_parser_skip_to_end_of_parameter): Likewise.
14033 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14034 (c_parser_skip_to_pragma_eol): New.
14035 (c_parser_external_declaration): Handle CPP_PRAGMA.
14036 (c_parser_compound_statement_nostart): Likewise.
14037 (c_parser_statement_after_labels): Likewise.
14038 (c_parser_pragma): New.
14039 (pragma_lex): Likewise.
14040 (c_parser_pragma_pch_preprocess): New.
14041 (c_parser_new): Merge into ...
14042 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14044 2006-01-04 Jeff Law <law@redhat.com>
14047 * tree-cfg.c (bsi_replace): Remove the original statement
14048 from the EH throw statement table.
14050 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14052 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14053 make the prototype extern "C" and add throw ().
14056 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14057 and pos non-negative and pos + len <= 32.
14058 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14059 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14060 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14063 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14064 as well as sizes not multiple of component size.
14067 * function.c (instantiate_expr): New function.
14068 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14069 walk its DECL_VALUE_EXPR with instantiate_expr.
14071 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14072 DW_OP_deref{,_size} if address isn't going to be added.
14074 2006-01-04 Ben Elliston <bje@au.ibm.com>
14076 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14077 * config/fp-bit.c: Likewise.
14079 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14081 * dominance.c: Add comment about why we use DFS numbering
14084 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14085 Richard Henderson <rth@redhat.com>
14087 Merge from gomp-branch:
14088 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14089 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14091 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14093 PR rtl-optimization/25578
14094 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14095 pass a parameter to simplify_shift_const if changing ASHIFTRT
14098 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14100 * builtins.c (get_builtin_sync_mem): New function.
14101 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14102 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14103 Call get_builtin_sync_mem to generate mem rtx.
14105 2006-01-03 Richard Guenther <rguenther@suse.de>
14108 * stmt.c (add_case_node): Make sure to clear overflow flags
14111 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14113 Merge from gomp-branch.
14114 * config/sparc/sync.md: New file.
14115 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14116 UNSPECV_LDSTUB): New constants.
14117 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14118 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14119 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14122 2006-01-03 Roger Sayle <roger@eyesopen.com>
14124 * combine.c (reg_subword_p): New predicate to test whether the
14125 destination of a set refers to a subword/piece of a register.
14126 (try_combine): Generalize the code to merge the setting of a
14127 pseudo to a constant followed by a set of a subword of that
14128 register to a constant.
14130 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14132 * basic-block.h (control_flow_graph): Change the type of
14133 x_label_to_block_map to VEC(basic_block,gc) *.
14134 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14135 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14137 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14138 VEC(basic_block,heap) *.
14139 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14140 ssa_prop_fini): Adjust the uses of cfg_blocks.
14142 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14144 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14146 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14147 hashing trees instead of a pointer hash.
14148 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14149 compare for MEM_EXPR.
14151 PR rtl-optimization/25130
14152 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14153 when comparing MEMs for GCSE
14155 2006-01-03 Ben Elliston <bje@au.ibm.com>
14157 * targhooks.h (default_decimal_float_supported_p): Declare.
14158 * targhooks.c (default_decimal_float_supported_p): Define.
14159 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14160 `default_decimal_float_supported_p'.
14161 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14163 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14165 * combine.c (apply_distributive_law <SUBREG>): Check
14166 TRULY_NOOP_TRUNCATION.
14168 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14170 * dwarf2out.c (have_switched_text_section): Delete.
14171 (have_multiple_function_sections): New.
14172 (have_location_lists): Make 'bool'.
14173 (add_AT_loc_list): Use 'true' not '1'.
14174 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14175 (output_loc_list): Use have_multiple_function_sections.
14176 (output_ranges): Likewise.
14177 (dwarf2out_begin_function): Set have_multiple_function_sections if
14179 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14180 Check function_section rather than DECL_SECTION_NAME.
14181 (dwarf2out_finish): Use have_multiple_function_sections.
14182 Don't clear have_location_lists.
14184 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14185 Jan Hubicka <jh@suse.cz>
14187 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14188 case of conditional jump jumping to the next instruction.
14189 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14190 cases of conditional jump jumping to the next instruction.
14192 2006-01-02 Jan Hubicka <jh@suse.cz>
14194 * i386.c (*_cost): Add COSTS_N_INSNS.
14195 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14197 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14200 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14202 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14204 * config/arm/arm.c (all_fpus): Fix comment typo.
14205 * config/darwin.c: Likewise.
14206 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14207 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14208 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14210 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14212 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14213 (rs6000_split_compare_and_swapqhi): New.
14214 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14215 (sync_compare_and_swapqhi_internal): New.
14216 * config/rs6000/rs6000-protos.h: Declare.