1 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5 omp_add_variable): Treat sizes as variable whenever not
8 2006-08-26 Richard Guenther <rguenther@suse.de>
11 * fold-const.c (fold_binary): Fold temporary to correct
12 type before constructing new comparison.
14 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
17 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
18 variable again if DECL_SEEN_IN_BIND_EXPR_P.
20 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
23 * c-decl.c (start_function): Don't try to process prototype
24 information from old declaration that isn't a function.
26 2006-08-25 Jan Hubicka <jh@suse.cz>
29 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
31 2006-08-25 Alan Modra <amodra@bigpond.net.au>
34 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
37 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
39 PR tree-optimization/16876
40 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
41 exit if PARM doesn't match VALUE.
43 2006-08-25 Bob Wilson <bob.wilson@acm.org>
45 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
46 literal_prefix directive.
47 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
48 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
49 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
51 2006-08-25 David Edelsohn <edelsohn@gnu.org>
54 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
55 predicate to general_operand. Add 0->y and I->r alternatives.
57 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
59 * doc/tm.texi: Fix a typo.
60 * predict.c: Fix comment typos.
62 2006-08-25 Nick Clifton <nickc@redhat.com>
64 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
65 assertions of "cpu" and "machine".
67 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
70 * tree-ssa-operands.c (access_can_touch_variable): Don't say
71 the access through a base which has an alias set of 0 cannot
74 2006-08-24 Bill Wendling <wendling@apple.com>
76 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
78 2006-08-24 Jan Hubicka <jh@suse.cz>
80 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
82 2006-08-24 Jan Hubicka <jh@suse.cz>
85 * cgraph.c: Fix comments.
86 (cgraph_varpool_mark_needed_node): Mark only variables not already
88 * cgraphunit.c: Update comments; include gt-cgraphunit.h
89 (cgraph_varpool_assembled_nodes_queue): New static variable.
90 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
91 (cgraph_varpool_output_debug_info): New function.
92 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
93 * Makefile.in: Add gt-cgraphunit.h
95 2006-08-24 Jan Hubicka <jh@suse.cz>
97 * predict.c (probability_reliable_p): New predicate.
98 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
99 (predict_loops): Do not predict loop exit with less than 2%
101 * basic-block.h (edge_probability_reliable_p,
102 br_prob_note_reliable_p): Declare.
103 * ia64.h (ia64_print_operand): Do not disable on-chip branch
104 prediction when static predictor is not reliable.
105 * rs6000.c (output_cbranch): Likewise.
107 2006-08-23 Stuart Hastings <stuart@apple.com>
110 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
111 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
113 2006-08-21 Geoffrey Keating <geoffk@apple.com>
116 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
117 complex values, nor for generic vector values.
119 2006-08-22 Richard Guenther <rguenther@suse.de>
122 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
123 parameter. Convert arguments to arithmetic expression to the
125 (analyze_scalar_evolution_1): Adjust caller.
127 2006-08-22 Jan Hubicka <jh@suse.cz>
129 Patch by Paolo Bonzini
130 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
133 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
135 PR tree-optimization/28003
136 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
137 before grouping aliases.
139 2006-08-22 Roger Sayle <roger@eyesopen.com>
141 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
142 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
144 2006-08-21 Jason Merrill <jason@redhat.com>
147 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
148 wrapper. Loop to handle nested wrappers.
149 (gimplify_bind_expr): Remove temp parameter.
150 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
151 and STATEMENT_LIST on the rhs.
152 (gimplify_statement_list): Voidify the STATEMENT_LIST.
153 (gimplify_expr): Pass pre_p to gimplify_statement_list.
154 (gimplify_target_expr): Remove special BIND_EXPR handling.
156 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
158 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
161 2006-08-21 Olivier Hainque <hainque@adacore.com>
163 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
164 Arrange for the temporary captures of components overlapping the lhs
165 to happen before the lhs is possibly cleared.
167 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
169 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
170 necessary places to pass the correct "number of registers" values
173 2006-08-20 Jan Hubicka <jh@suse.cz>
175 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
176 (create_name_tags): Instead of quadratic checking use hashtable.
177 * bitmap.h: Include hashtab.h.
178 (bitmap_hash): Declare.
179 * bitmap.c (bitmap_hash): New function.
181 2006-08-20 Jan Hubicka <jh@suse.cz>
183 PR rtl-optimization/28071
184 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
186 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
187 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
188 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
189 cgraph_decide_inlining_incrementally): Update use of
190 cgraph_check_inline_limits.
191 * cgraph.c (edge_hash, edge_eq): New function.
192 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
193 cgraph_edge_remove_caller, cgraph_node_remove_callees,
194 cgraph_remove_node): Maintain call site hash.
195 * cgraph.h (struct cgraph_node): Add call_site_hash.
196 (cgraph_set_call_stmt): New function.
198 2006-08-20 Jan Hubicka <jh@suse.cz>
200 PR rtl-optimization/28071
201 * reload1.c (reg_has_output_reload): Turn into regset.
202 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
203 choose_reload_regs, emit_reload_insns): Update to new
204 reg_has_output_reload.
206 2006-08-20 Jan Hubicka <jh@suse.cz>
209 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
211 * cgraphunit.c (cgraph_analyze_function): Don't do so.
213 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
216 * tree.c (handle_dll_attribute): Return early if not a
217 var or function decl.
219 2006-08-18 Joseph Myers <joseph@codesourcery.com>
222 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
223 alignment of SPE vector types.
225 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
227 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
229 2006-08-17 Jakub Jelinek <jakub@redhat.com>
232 * cgraph.h (struct cgraph_node): Remove externally_visible
234 * cgraphunit.c (process_function_and_variable_attributes): Set
235 local.externally_visible rather than externally_visible.
238 * c-common.c (handle_externally_visible_attribute): First look
239 at TREE_CODE and only if it is function or var decl, check for
240 non-public objects. Don't warn for DECL_EXTERNAL.
241 * cgraphunit.c (process_function_and_variable_attributes): Warn
242 if externally_visible attribute is used on non-public object.
244 2006-08-17 Jan Hubicka <jh@suse.cz>
246 PR tree-optimization/27865
247 * reload1.c (forget_marked_reloads): New function.
248 (forget_old_reloads_1): When data are passed, just mark the registers
250 (reload_as_needed): Use the new mechanizm.
252 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
255 * reload.h (reg_equiv_alt_mem_list): New declaration.
256 * reload1.c (reg_equiv_alt_mem_list): New definition.
257 (reload): Initialize it and release it.
258 (delete_output_reload): Use it.
259 * reload.c (push_reg_equiv_alt_mem): New function.
260 (find_reloads_toplev): Call it.
261 (find_reloads_address, find_reloads_address_1): Likewise.
262 (find_reloads_subreg_address): Likewise.
264 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
266 PR rtl-optimization/28489
267 * sched-ebb.c (begin_schedule_ready): Create basic block
269 (advance_target_bb): Skip empty blocks.
270 * haifa-sched.c (bb_note): Make global.
271 * sched-int.h (bb_note): Add prototype.
273 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
275 PR tree-optimization/27865
276 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
278 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
279 fold_used_pointer, pointer_used_p): New functions.
280 (analyze_scalar_evolution_1): Use fold_used_pointer.
281 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
282 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
285 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
288 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
289 or the INTEGER_CST. Fail on a CALL_EXPR.
290 (fold_offsetof): Pass new argument to fold_offsetof_1.
291 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
292 operand into an INDIRECT_REF.
293 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
295 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
297 PR gcov/profile/26570
298 * value-prof.c (static_values): Removed.
299 (tree_find_values_to_profile): Do not set static_values.
300 (find_values_to_profile): Do not free static_values.
301 * profile.c (instrument_values): Do not free the values.
302 (branch_prob): Free the values.
304 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
306 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
308 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
311 * c-typeck.c (build_component_ref): Combine qualifiers of
312 structure or union and field.
314 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
316 PR rtl-optimization/28071
317 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
318 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
319 * tree-into-ssa.c (struct dom_dfsnum): New.
320 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
322 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
323 compute_global_livein.
324 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
325 in phi nodes in the correct blocks.
327 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
329 PR tree-optimization/28364
330 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
332 (fold_affine_expr): New function.
333 (may_eliminate_iv): Use fold_affine_expr.
335 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
338 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
341 2006-08-16 Mike Stump <mrs@apple.com>
343 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
344 * doc/cppopts.texi (-MD): Likewise.
346 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
349 * c-common.c (handle_weak_attribute): Ignore and warn if
350 not a FUNCTION_ or VAR_DECL.
352 2006-07-15 Mike Stump <mrs@apple.com>
355 * c-parser.c (c_parser_typeof_specifier): Don't use
356 c_finish_expr_stmt, open code desired semantics instead.
358 2006-08-15 Nick Clifton <nickc@redhat.com>
360 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
361 fragment to tmake_file only if threads are enabled.
362 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
363 * config/i386/t-gthr-win32: New file. ... here.
365 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
368 * c-parser.c (c_parser_compound_statement_nostart): Reset
369 parser->error after each statement.
371 2006-08-15 Jakub Jelinek <jakub@redhat.com>
374 * omp-low.c (lower_omp_parallel): Convert t to
375 receiver_decl's type.
376 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
377 source before comparison.
380 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
381 to itype in assignment to oldival2.
383 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
387 * c-typeck.c (build_compound_expr): If the second expression
388 is an error mark, then just return an error mark instead of
389 creating a COMPOUND_EXPR.
391 2006-07-14 Mike Stump <mrs@apple.com>
393 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
395 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
397 * c-decl.c, var-tracking.c: Fix comment typos.
399 2006-08-14 Richard Sandiford <richard@codesourcery.com>
401 PR rtl-optimization/28634
402 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
403 for floating-point modes unless flag_unsafe_math_optimizations.
405 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
406 Andrew Pinski <pinskia@physics.uc.edu>
409 * tree.c (build_array_type): Unify array types with
410 unspecified index_type.
411 * c-decl.c (grokdeclarator): Make sure we do not modify a
412 unified incomplete array type.
413 * c-typeck.c (store_init_value): Create distinct type before
414 filling in the index type in an initializer from a compound
417 * c-decl.c (grokdeclarator): Remove code where we copy the
420 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
422 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
423 into account for TODO_dump_cgraph.
424 (TODO_update_ssa_no_phi): Likewise.
425 (TODO_update_ssa_full_phi): Likewise.
426 (TODO_update_ssa_only_virtuals): Likewise.
427 (TODO_remove_unused_locals): Likewise.
428 (TODO_set_props): Likewise.
429 (TODO_update_stmt_usage): Likewise.
431 2006-08-13 Dirk Mueller <dmueller@suse.de>
433 * c-common.c (strict_aliasing_warning): Fix formatting.
435 2006-08-13 Matthias Klose <doko@debian.org>
437 * doc/invoke.texi: Fix spelling errors.
439 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
441 PR rtl-optimization/23454
442 * reorg.c (relax_delay_slots): Update comment.
444 2006-08-11 Richard Guenther <rguenther@suse.de>
447 * simplify-rtx.c (simplify_const_relational_operation):
448 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
451 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
453 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
454 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
456 2006-08-10 Paul Brook <paul@codesourcery.com>
458 * final.c (final_scan_insn): Clear current_insn_predicate before
459 outputting inline asm.
461 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
463 PR tree-optimization/26197
464 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
465 get_ref_base_and_extent and overlap_subvar to add only relevant
466 subvars as may-aliases.
467 (add_may_alias_for_new_tag): New function, factored out of
469 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
470 with additional argument.
471 * tree-flow.h (new_type_alias): Takes additional argument.
473 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
475 * gcov.c (no_data_file): New flag.
476 (read_count_file): Set it if data file not present. Assume counts
478 (output_lines): Don't name the data file, if there wasn't one.
480 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
482 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
483 (rs6000_generate_compare): Tweak comments.
484 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
486 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
488 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
489 (var_debug_decl): New function.
490 (var_reg_set): Follow debug decl link. Add location even if
491 reg is already known to hold some other variable.
492 (var_mem_set): Follow debug decl link.
493 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
494 decl link. Delete other known locations of the variable part
496 (var_reg_delete, var_mem_delete): Delete other known locations
497 of the variable part if requested.
498 (same_variable_part_p): New function.
499 (add_stores): Select MO_COPY when appropriate.
500 (vt_initialize): Handle it.
501 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
502 known locations for MO_SET and MO_CLOBBER.
503 (find_variable_location_part): New function.
504 (set_variable_part, delete_variable_part): Use it.
505 (clobber_variable_part): New function.
506 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
509 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
511 PR tree-optimization/26969
512 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
513 with an empty list of PHIs.
515 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
519 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
522 2006-08-06 Andreas Schwab <schwab@suse.de>
524 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
525 string. Whitespace and comment fixup.
527 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
530 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
534 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
537 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
539 2006-08-04 Jan Hubicka <jh@suse.cz>
543 * reload.c (push_reload): Patch out the mismatching instruction;
545 (find_reload): Bail out if the instruction was patched out.
547 2006-08-04 Jan Hubicka <jh@suse.cz>
549 PR tree-optimization/24888
550 * tree-inline.c (expand_call_inline): Do not re-record variables.
551 (declare_inline_vars): Add variable to unexpanded_var_list.
553 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
554 Roger Sayle <roger@eyesopen.com>
556 PR rtl-optimization/26244
557 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
558 inner_const are negative or greater than or equal to the bitsize of
559 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
560 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
561 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
562 CONST0_RTX (mode) when the new shift count is greater than or equal to
563 to the bitsize of the object being shifted and XEXP (y, 0) has no side
566 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
568 * tree-cfg.c: Fix a comment typo.
570 2006-08-03 Mark Mitchell <mark@codesourcery.com>
573 * varasm.c (output_constant): Give the front end another chance to
574 expand constants, after stripping NOPs.
576 2006-08-03 Jan Hubicka <jh@suse.cz>
578 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
581 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
583 PR tree-optimization/27770
584 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
585 declaration removed (moved to tree-flow.h).
586 (vect_can_force_dr_alignment_p): Likewise.
587 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
588 (moved from tree-vectorizer.h).
589 (vect_can_force_dr_alignment_p): Likewise.
590 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
591 from outside the vectorizer - in particular from cgraph stage.
592 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
593 the alignment of global arrays when -fsection-anchors is enabled.
594 * cgraphunit.c (cgraph_increase_alignment): New function.
595 (cgraph_optimize): Call cgraph_increase_alignment.
597 2006-08-03 David Edelsohn <edelsohn@gnu.org>
600 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
601 not reload a SPE symbol_ref into a lo_sum address.
603 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
606 * dwarf2out.c (prune_unused_types_prune): Move call to
607 prune_unused_types_update_strings to cover the parent DIE also.
609 2006-08-02 Jan Hubicka <jh@suse.cz>
611 PR gcov/profile/28480
612 * tree-cfg.c (change_bb_for_stmt): New function.
613 (tree_merge_blocks, tree_split_blocks): Use it.
615 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
621 * toplev.c (compile_file): Return early on errorcount or sorrycount.
622 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
623 (cgraph_optimize): Likewise.
625 2006-08-01 Stuart Hastings <stuart@apple.com>
627 * rtl.h (UINTVAL) New.
628 * config/rs6000/rs6000.c (SMALL_INT) Use it.
629 * testsuite/gcc.dg/20060801-1.c: New.
631 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
634 * c-typeck.c (build_external_type): Mark used enum types.
635 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
637 (gen_subprogram_die): Whitespace fix.
639 2006-08-01 Jan Hubicka <jh@suse.cz>
641 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
642 bitmap when not needed.
643 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
646 2006-08-01 Dirk Mueller <dmueller@suse.de>
648 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
650 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
652 * Makefile.in: Revert part of previous patch:
653 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
656 2006-07-30 Eric Christopher <echristo@apple.com>
659 * doc/extend.texi (i386 Variable Attributes): Add anchor.
660 (PowerPC Variable Attributes): New section.
662 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
664 PR target/28126 (partial fix)
665 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
667 2006-07-28 Jan Hubicka <jh@suse.cz>
669 PR rtl-optimization/28071
670 * cfgrtl.c (rtl_delete_block): Free regsets.
671 * flow.c (allocate_bb_life_data): Re-use regsets if available.
673 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
675 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
676 and variables used in dependencies.
678 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
680 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
681 %fs for -mcmodel=kernel.
682 (stack_tls_protect_test_di): Likewise.
684 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
686 * Makefile.in: Use mkinstalldirs.
688 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
691 * opts-common.c (prune_options): Skip joined switches.
693 2006-07-27 Jan Hubicka <jh@suse.cz>
695 PR rtl-optimization/28071
696 * cselib.c (cselib_process_insn): Don't remove useless values too
697 often for very large hashtables.
699 2006-07-27 Jan Hubicka <jh@suse.cz>
701 PR rtl-optimization/28071
702 * global.c (greg_obstack): New obstack.
703 (allocate_bb_info): Use it.
704 (free_bb_info): Likewise.
705 (modify_reg_pav): Likewise.
707 2006-07-27 Roger Sayle <roger@eyesopen.com>
709 * builtins.c (fold_fixed_mathfn): When long and long long are the
710 same size, canonicalize llceil*, llfloor*, llround* and llrint*
711 functions to their lceil*, lfloor*, lround* and lrint* forms.
713 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
716 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
718 (rev_branch_insn): Likewise.
720 2006-07-27 Jan Hubicka <jh@suse.cz>
722 PR rtl-optimization/28071
723 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
724 (reg_set_in_bb, max_reg_computed): New static variables.
725 (regmove_optimize): Free the new array.
726 (fixup_match_1): Update call of reg_is_remote_constant_p.
728 2006-07-26 Jan Hubicka <jh@suse.cz>
730 PR tree-optimization/27882
731 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
733 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
735 (cgraph_analyze_compilation_unit): Likewise.
736 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
737 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
738 (cgraph_early_inlinine): Make order garbage collected.
739 * Makefile.in (gt-ipa-inline): New garbagecollected file.
741 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
743 * dbxout.c (output_types_sort): Add a comment.
744 (output_used_types): Free the VEC.
746 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
748 * function.c (reorder_fix_fragments): Delete.
749 (reorder_blocks): Don't call it.
750 (reorder_blocks_1): Put all subblocks under the origin block.
752 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
754 PR rtl-optimization/27907
755 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
758 2006-07-25 Roger Sayle <roger@eyesopen.com>
761 * convert.c (convert_to_integer): When transforming (T)foo(x) into
762 bar(x) check that bar's result type can represent all the values of T.
764 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
766 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
768 2006-07-25 Nick Clifton <nickc@redhat.com>
770 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
772 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
773 (ggc_pch_count_object): Likewise.
774 (ggc_pch_alloc_object): Likewise.
775 (ggc_pch_write_object): Likewise.
776 (init_ggc): Do not attempt to initialize entries in the
777 size_lookup[] array for objects whose size is greater than than
778 the length of the array.
780 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
782 * dbxout.c (output_used_types_helper): Push queued types
784 (output_types_sort): New.
785 (output_used_types): Collect used types on a VEC and sort them
788 2006-07-24 Richard Guenther <rguenther@suse.de>
791 * cgraph.c (cgraph_remove_node): Do not check if dumps
793 * cgraphunit.c (cgraph_optimize): Likewise.
795 2006-07-24 Jan Hubicka <jh@suse.cz>
797 PR rtl-optimization/28071
798 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
799 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
800 splitting before first stmt.
802 2006-07-24 Jan Hubicka <jh@suse.cz>
804 PR rtl-optimization/28071
805 * ipa-inline.c (update_caller_keys): Remove edges that
806 are no longer inline candidates.
808 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
811 * dbxout.c (output_used_types_helper, output_used_types): New.
812 (dbxout_symbol): Call output_used_types.
814 2006-07-23 Jan Hubicka <jh@suse.cz>
818 * cgraph.c (cgraph_varpool_nodes): Export.
819 (decide_is_variable_needed): Ignored "used" attribute in
821 * cgraph.h (cgraph_varpool_nodes): Declare.
822 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
825 2006-07-23 Roger Sayle <roger@eyesopen.com>
828 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
829 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
830 the __gthrw form of thr_keycreate.
831 (__gthread_key_delete): Silence the unused argument warning.
833 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
836 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
837 Cache the last found '\0' marker to avoid quadratic behavior.
839 2006-07-23 Jan Hubicka <jh@suse.cz>
841 * i386.md (subsi_3_zext): Fix output template.
843 2006-07-21 Mike Stump <mrs@apple.com>
845 * doc/invoke.texi (C++ Dialect Options): Note that
846 -fvisibility-inlines-hidden doesn't affect explicitly
847 instantiationed inline methods.
849 2006-07-20 Roger Sayle <roger@eyesopen.com>
851 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
852 if the target assembler is GNU binutils' gas.
853 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
854 whether to pass GNU gas or native as command line options.
856 2006-07-20 Jason Merrill <jason@redhat.com>
858 * tree.c (remove_attribute): New fn.
859 * tree.h: Declare it.
861 2006-07-20 Paul Brook <paul@codesourcery.com>
864 * cse.c (cse_insn): Add destination addresses to hash table. Check if
865 they are invalidated by this instruction.
867 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
870 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
872 2006-07-20 Eric Christopher <echristo@apple.com>
875 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
877 2006-07-19 Eric Christopher <echristo@apple.com>
879 * config/t-slibgcc-darwin (stmp-lipo): Remove.
880 Rewrite dependencies for libgcc_s.1.dylib.
882 2006-07-19 Jakub Jelinek <jakub@redhat.com>
884 * except.c (duplicate_eh_regions_1): Clear next_peer.
886 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
888 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
889 -mlongcall does not guarantee all calls will be long.
890 * doc/extend.texi (long_call/short_call): Document that longcall
891 does not guarantee a long call will be used.
892 (longcall/shortcall): Likewise.
894 2006-07-18 Roger Sayle <roger@eyesopen.com>
897 * expmed.c (expand_shift): Additionally check that the shift_cost
898 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
899 before implementing a LSHIFT_EXPR as a sequence of additions.
900 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
901 middle-end that DImode shifts need to be synthesized by expand.
903 2006-07-18 Diego Novillo <dnovillo@redhat.com>
906 * tree-ssa-operands.c (access_can_touch_variable): Update
908 Return true if ALIAS is .GLOBAL_VAR.
910 2006-07-18 David Daney <ddaney@avtrex.com>
912 * gcc.c (display_help): Fix typo in help text.
914 2006-07-18 Olivier Hainque <hainque@adacore.com>
916 * tree.h (categorize_ctor_elements): Adjust prototype and add
917 descriptive comment, both in accordance with the interface change
919 * varasm.c (constructor_static_from_elts_p): New function.
920 Whether a constructor node is a valid static constant initializer
921 if all its elements are.
922 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
923 * output.h: Declare it.
924 * expr.c (categorize_ctor_elements_1): Return whether the constructor
925 is a valid constant initializer instead of computing the number of
926 non-constant elements. Use constructor_static_from_elts_p for this
927 purpose. Replace the head comment with an indication that this is a
928 helper for categorize_ctor_elements.
929 (categorize_ctor_elements): Same interface change as for the _1
930 helper. Former head comment from this helper moved here, adjusted to
931 account for the interface changes.
932 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
933 (all_zeros_p): Likewise.
934 * gimplify.c (gimplify_init_constructor): Decide whether we can make
935 static versions of the constructor from the categorize_ctor_elements
936 return value instead of the formerly computed number of non-constant
939 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
941 * configure: Regenerate.
942 * Makefile.in (build_libsubdir): New configure substitution
943 (build_libobjdir): New variable.
944 (BUILD_LIBIBERTY): Use it.
946 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
949 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
951 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
954 * c-common.c (handle_weakref_attribute): Ignore attribute in
955 the same conditions the alias attribute is ignored.
957 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
959 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
960 (dbxout_begin_prologue): Increment scope_labelno.
962 2006-07-17 Richard Henderson <rth@redhat.com>
965 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
968 2006-07-17 Roger Sayle <roger@eyesopen.com>
969 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
971 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
972 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
973 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
974 functions such as sbrk, write, etc.. Add function prototypes.
975 Convert function declarations from K&R to ISO C. Cast pointers
976 to "long" and "unsigned long" instead of "int" and "unsigned int".
977 Convert tokens following #endif into comments.
979 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
981 * invoke.texi: Remove mention of f77; Reformat table for
982 inline parameter options correctly; mention that -malign-double
983 is default on x86-64 targets.
985 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
987 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
988 (convert_affine_scev, chrec_convert_aggressive): Use
989 avoid_arithmetics_in_type_p. Do not check for the subtypes
992 2006-07-17 Richard Sandiford <richard@codesourcery.com>
995 * optabs.c (expand_doubleword_shift): Wrap the call to
996 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
998 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1001 * optabs.c (expand_binop): Pass next_methods rather than methods
1002 to expand_doubleword_shift.
1004 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1007 * tree.h (dump_addr): Declare.
1008 * print-tree.c (dump_addr): New function.
1009 (print_node_brief, print_node): Use it.
1010 * print-rtl.c (print_rtx): Likewise.
1011 * common.opt (-fdump-noaddr): New option.
1012 * doc/invoke.texi (-fdump-noaddr): Document.
1013 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1014 (ve_info_hash): Likewise.
1016 2006-07-13 Andrew Haley <aph@redhat.com>
1018 PR tree-optimization/19505
1019 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1020 edge leaving this block, make sure that the destination of this
1021 block has only one predecessor.
1023 2006-07-17 Richard Guenther <rguenther@suse.de>
1025 PR tree-optimization/28238
1026 * tree-inline.c (copy_bb): Check if we produced valid
1027 gimple copying and substituting a stmt. If not, gimplify
1030 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1032 * optabs.c (maybe_encapsulate_block): New function extracted from...
1033 (emit_libcall_block): ...here. Invoke it on the block of insns to
1034 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1035 (emit_no_conflict_block): Likewise.
1037 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1039 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1041 2006-07-15 Roger Sayle <roger@eyesopen.com>
1043 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1044 a new NOP_EXPR case of the switch statement.
1046 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1049 * stor-layout.c (place_field): Take the bit field with
1050 an excessive size into account in the ms-bitfiled case.
1053 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1054 the previous bit field.
1056 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1059 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1061 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1063 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1064 signal frames correctly even when the signal was installed with
1067 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1069 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1070 (dbxout_function_end): Use local label LFBB. Remove hook
1072 (dbxout_source_line): Use local label LFBB.
1073 (dbxout_block): Likewise.
1074 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1075 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1076 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1077 and DBX_OUTPUT_NFUN.
1079 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1081 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1083 2006-07-13 Jan Hubicka <jh@suse.cz>
1085 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1087 * output.h (align_variable): Declare.
1088 * varasm.c (align_variable): Export.
1089 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1090 when basic block changed.
1092 2006-07-13 Nick Clifton <nickc@redhat.com>
1094 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1095 walking the LOG_LINKS chain.
1097 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1099 * doc/invoke.texi (C++ Dialect Options): Explain difference
1100 between -fvisibility-inlines-hidden and setting hidden
1101 visibility explicitly.
1103 2006-07-12 Eric Christopher <echristo@apple.com>
1105 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1106 (stmp-lipo): Depend on libgcc.a.
1108 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1110 * tree.c: Fix a comment typo.
1112 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1114 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1116 (umulhisi3_r): Likewise.
1118 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1121 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1122 x < 19, vs wchar_t support.
1124 2006-07-12 Nick Clifton <nickc@redhat.com>
1126 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1127 instead of -isa=sh4.
1129 2006-07-12 Mike Stump <mrs@apple.com>
1131 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1133 2006-07-10 Eric Christopher <echristo@apple.com>
1135 * config/t-slibgcc-darwin: Rewrite.
1137 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1140 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1143 2006-07-08 Matthias Klose <doko@debian.org>
1145 * doc/sourcebuild.texi: Fix typo.
1147 2006-07-07 Mike Stump <mrs@apple.com>
1149 * toplev.c (process_options): Don't give -ffunction-sections may
1150 affect debugging warning for Mach-O.
1152 2006-07-07 James E Wilson <wilson@specifix.com>
1154 * config/mips/mips.md (cpu): Add sb1a.
1155 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1156 addition to sb1. Adjust comments to clarify SB-1A differences from
1158 (ir_sb1a_load): New. Modify bypasses to use it.
1159 (ir_sb1a_simple_alu): Likewise.
1160 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1161 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1162 (mips_issue_rate): Add PROCESSOR_SB1A.
1163 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1164 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1165 (TARGET_SB1): Add PROCESSOR_SB1A check.
1166 (TUNE_SB1): Likewise.
1168 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1169 * config/mips/mips.c (mips_store_data_bypass_p): New.
1170 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1171 store_data_bypass_p.
1173 2006-07-08 Paul Brook <paul@codesourcery.com>
1176 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1178 2006-07-07 Richard Guenther <rguenther@suse.de>
1181 * tree.h (build_one_cst): Declare.
1182 * tree.c (build_one_cst): New function.
1183 * tree-ssa-math-opts.c (get_constant_one): Remove.
1184 (insert_reciprocals): Use build_one_cst.
1185 * fold-const.c (fold_plusminus_mult): Likewise.
1187 2006-07-07 Roger Sayle <roger@eyesopen.com>
1189 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1190 * cfgloopanal.c (dump_graph): Likewise.
1191 * dojump.c (discard_pending_stack_adjust): Likewise.
1192 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1194 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1195 * function.c (finalize_block_changes): Likewise.
1196 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1197 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1198 * rtl.c (dump_rtx_statistics): Likewise.
1199 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1201 * varray.c (dump_varray_statistics): Likewise.
1202 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1203 decode_decimal64, encode_decimal128, decode_decimal128,
1204 decimal_real_to_decimal): Likewise.
1206 2006-07-07 Richard Guenther <rguenther@suse.de>
1208 PR tree-optimization/28187
1209 * tree-vrp.c (vrp_operand_equal_p): New function.
1210 (vrp_bitmap_equal_p): Likewise.
1211 (update_value_range): Use them to compare old and new
1214 2006-07-06 Roger Sayle <roger@eyesopen.com>
1216 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1217 a default case to switch statement to silence compiler warnings.
1219 2006-07-06 Roger Sayle <roger@eyesopen.com>
1222 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1223 the configured assembler supports the x87's ffreep mnemonic.
1224 * configure: Regenerate.
1225 * config.in: Regenerate.
1227 * config/i386/i386.c (output_387_ffreep): New function.
1228 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1229 (output_387_reg_move): Likewise.
1231 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1233 Port to hosts whose 'sort' and 'tail' implementations
1234 treat operands with leading '+' as file names, as POSIX
1235 has required since 2001. However, make sure the code still
1236 works on pre-POSIX hosts.
1237 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1238 which says you should use "tail -c +N" rather than "tail +Nc".
1239 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1241 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1243 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1246 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1249 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1250 PRE_{INC,DEC} of TFmode.
1252 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1253 Alan Modra <amodra@bigpond.net.au>
1256 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1259 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1262 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1263 Remove duplicate gtu.
1265 2006-07-05 Jason Merrill <jason@redhat.com>
1269 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1270 * c-common.c (handle_packed_attribute): So don't copy it here.
1271 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1273 2006-07-05 Mike Stump <mrs@apple.com>
1275 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1277 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1280 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1282 2006-07-05 Richard Guenther <rguenther@suse.de>
1285 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1286 TARGET_SSE2 targets if using SSE math.
1287 (*absdf2_1): Likewise.
1289 2006-07-05 Richard Guenther <rguenther@suse.de>
1291 PR tree-optimization/28162
1292 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1293 make sure to convert the operands to the correct type.
1295 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1297 PR tree-optimization/28218
1299 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1300 to calculate and free the dominator information.
1302 2006-07-04 Peter O'Gorman <peter@pogma.com>
1304 * mklibgcc.in: chmod 644 before ranlib during install.
1306 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1307 J"orn Rennecke <joern.rennecke@st.com>
1309 * configure.ac (.eh_frame data check): Use diff -b.
1311 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1314 * Makefile.in (BUILD_RTL): Add build/vec.o.
1315 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1316 (build/genextract): Delete.
1317 (build/genautomata): Likewise.
1319 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1322 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1323 128-bit IBM long doubles for ABI_V4.
1325 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1327 * tree.c (range_in_array_bounds_p): New predicate.
1328 * tree.h (range_in_array_bounds_p): Declare it.
1329 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1330 return a less conservative answer.
1331 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1332 and flag 'is_group'.
1333 (IS_ELEMENT_FOR_GROUP): New macro.
1334 (FOR_EACH_ACTUAL_CHILD): Likewise.
1335 (next_child_for_group): New helper function.
1336 (can_completely_scalarize_p): Take into account groups.
1337 (sra_hash_tree): Handle RANGE_EXPR.
1338 (sra_elt_eq): Likewise.
1339 (lookup_element): Be prepared for handling groups.
1340 (is_valid_const_index): Delete.
1341 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1342 instead of is_valid_const_index.
1343 <ARRAY_RANGE_REF>: New case.
1344 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1345 is_valid_const_index.
1346 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1347 (scan_dump): Dump info for groups too.
1348 (decide_instantiation_1): Likewise.
1349 (decide_block_copy): Assert that the element is not a group.
1350 Propagate decision to groups.
1351 (generate_one_element_ref): Handle RANGE_EXPR.
1352 (mark_no_warning): Iterate over actual childs.
1353 (generate_copy_inout): Likewise.
1354 (generate_element_copy): Likewise.
1355 (generate_element_zero): Likewise.
1356 (generate_element_init_1): Likewise.
1357 (dump_sra_elt_name): Handle RANGE_EXPR.
1359 2006-07-03 Roger Sayle <roger@eyesopen.com>
1361 PR tree-optimization/26251
1362 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1363 (thread_block): When optimizing for size refuse to thread jumps
1364 that would require duplication of blocks other than redirection
1367 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1369 * configure.ac: Fix thinko in previous check-in.
1370 * configure: Regenerate.
1372 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1375 * configure.ac (for lang...): Simplify nesting of conditionals.
1376 Test subdir_requires for non-enabled languages. Move processing
1377 of lang_opt_files and lang_tree_fiels below that test.
1378 * configure: Regenerate.
1379 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1381 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1383 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1385 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1387 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1390 2006-06-29 Jason Merrill <jason@redhat.com>
1397 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1398 * c-common.c (c_determine_visibility): Handle it here.
1399 * c-decl.c (finish_decl): Call c_determine_visibility for
1401 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1403 * varasm.c (default_assemble_visibility): Likewise.
1404 * c-common.c (handle_visibility_attribute): Complain about trying
1405 to give visibility to an already defined class, or trying to change
1406 declared visibility. Always attach the attribute.
1411 * attribs.c (decl_attributes): Ignore type-in-place attributes
1412 once the type has been defined.
1414 2006-06-29 Roger Sayle <roger@eyesopen.com>
1417 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1418 to indicate the cpplib has issued an error message for us.
1420 2006-06-29 Asher Langton <langton2@llnl.gov>
1423 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1424 insert a label at the end of an function under Mach-O.
1426 2006-06-29 Eric Christopher <echristo@apple.com>
1427 Evan Cheng <evan.cheng@apple.com>
1429 * predicates.md (vector_all_ones_operand): New.
1430 (nonimmediate_or_sse_const_operand): Ditto.
1431 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1432 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1433 (standard_sse_mode_p): Ditto.
1434 (standard_sse_constant_p): Add case for -1 vector.
1435 (ix86_expand_vector_move): Try to use.
1436 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1437 Call standard_sse_constant_opcode.
1438 (*movv4sf_internal): Ditto.
1439 (*movv2df_internal): Ditto.
1441 2006-06-29 Roger Sayle <roger@eyesopen.com>
1443 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1444 of XEXP to extract the operands of a MATCH_CODE rtx.
1446 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1448 * tree.c (tree_size): Do not waste tail padding in
1449 struct tree_string and make the size be the same as
1450 build_string will generate.
1452 2006-06-28 Jason Merrill <jason@redhat.com>
1455 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1456 may_aliases already in the tag's annotations to the bitmap.
1458 2006-06-28 Roger Sayle <roger@eyesopen.com>
1460 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1462 2006-06-28 Roger Sayle <roger@eyesopen.com>
1464 * genpreds.c (generate_switch_p): New function.
1465 (add_mode_tests): Push the new mode test down inside an AND expr
1466 if this allows the switch-suitable MATCH_CODE to be near the root.
1467 (write_match_code_switch): New function to write a MATCH_CODE as
1469 (write_predicate_stmts): New function to write a predicate RTX
1470 expression as a sequence of statements.
1471 (write_one_predicate_function): Use write_predicate_stmts.
1472 (write_tm_constrs_h): Likewise.
1474 2006-06-26 Fred Fish <fnf@specifix.com>
1476 * config/mips/t-sb1: New file.
1477 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1480 2006-06-26 DJ Delorie <dj@redhat.com>
1482 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1484 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1485 Jayant Sonar <jayants@kpitcummins.com>
1486 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1488 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1489 (subsi3, subsi3_1, subsi3_2): New.
1490 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1491 * config/m32c/mov.md (SI mov peephole): New.
1492 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1493 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1495 2006-06-26 Olivier Hainque <hainque@adacore.com>
1497 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1498 a CALL_EXPR target function declaration.
1500 2006-06-26 Richard Guenther <rguenther@suse.de>
1502 * tree.c (build_string): Do not waste tail padding in
1505 2006-06-26 Richard Guenther <rguenther@suse.de>
1507 * ggc-page.c (init_ggc): Add missing element to size_lookup
1511 2006-06-23 Richard Guenther <rguenther@suse.de>
1513 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1514 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1515 alignment requests instead. Add verification code.
1516 Add struct tree_function_decl and struct tree_binfo size to
1517 extra_order_size_table. Add missing element to size_lookup
1520 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1523 * fold-const.c (const_binop): Be prepared for self returning zero.
1524 Simplify code handling complex values.
1526 2006-06-24 Olivier Hainque <hainque@adacore.com>
1528 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1529 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1532 2006-06-24 Olivier Hainque <hainque@adacore.com>
1534 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1535 ARRAY_REF, so have the callback called for the low bound expression.
1537 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1539 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1540 * c-typeck.c (c_common_type): Disallow operations on decimal float
1541 types and other float types.
1542 * convert.c (convert_to_real): Don't ignore conversions involving
1543 decimal float types.
1545 2006-06-23 Olivier Hainque <hainque@adacore.com>
1547 * tree.c (max_int_size_in_bytes): New function, inspired from
1548 code in function.c:assign_temp.
1549 * tree.h (max_int_size_in_bytes): Declare.
1550 * function.c (assign_temp): Use it.
1551 * gimplify.c (create_tmp_var): Relax the assertions on the type
1552 properties, not mandating constant size any more.
1553 (force_constant_size): New static function.
1554 (gimple_add_tmp_var): Use it, forcing variable size to a
1555 constant upper bound if it is not constant on entry.
1557 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1560 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1561 for initialization and setting of one_only flag to ...
1562 (i386_pe_encode_section_info): ...here.
1563 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1564 Recheck that the symbol has not been defined.
1566 2006-06-23 Richard Guenther <rguenther@suse.de>
1568 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1569 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1570 alignment requests instead. Add verification code.
1571 Add struct tree_function_decl and struct tree_binfo size to
1572 extra_order_size_table. Add missing element to size_lookup
1575 2006-06-22 Roger Sayle <roger@eyesopen.com>
1576 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1579 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1580 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1582 2006-06-23 Ben Elliston <bje@au.ibm.com>
1584 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1585 negate dn -- manipulate it directly.
1587 2006-06-22 Roger Sayle <roger@eyesopen.com>
1588 Steven Bosscher <stevenb.gcc@gmail.com>
1591 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1592 generated by gen_move_insn to add REG_LABEL notes if necessary.
1594 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1596 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1597 (leaf_entry): Remove use of MIN_ESA.
1599 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1601 PR rtl-optimization/28121
1602 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1605 2006-06-21 DJ Delorie <dj@redhat.com>
1607 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1609 (mulhisi3_r): Likewise.
1611 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1614 * coverage.c (coverage_counter_alloc): Leave the index type
1616 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1619 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1621 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1622 section from the "Options for Code Generation Conventions".
1624 2006-06-21 Richard Henderson <rth@redhat.com>
1628 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1630 (global_symbolic_operand): Allow weak symbols, even if local_p.
1632 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1634 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1635 (find_interesting_uses_address): Punt if above function returns true.
1637 2006-06-21 Richard Guenther <rguenther@suse.de>
1639 * configure: Regenerated.
1641 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1643 * config/mips/mips.c (function_arg): Where one part of a
1644 complex argument is in registers and the other part in the stack,
1645 return a REG not a PARALLEL.
1647 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1649 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1650 when cross-compiling. Do not substitute libstdcxx_incdir.
1651 * configure: Regenerated.
1653 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1655 * varasm.c (mergeable_string_section): Check for embedded NULs and
1656 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1657 rather than TREE_STRING_LENGTH bytes.
1659 2006-06-21 Richard Guenther <rguenther@suse.de>
1661 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1662 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1665 2006-06-21 Richrad Guenther <rguenther@suse.de>
1667 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1668 Limit iteration over the dominators.
1670 2006-06-20 Roger Sayle <roger@eyesopen.com>
1672 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1673 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1675 2006-06-20 Richard Guenther <rguenther@suse.de>
1676 Michael Matz <matz@suse.de>
1678 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1680 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1681 * et-forest.h (et_free_pools): Prototype new function.
1682 * et-forest.c (et_free_tree_force): Free parent occurrence.
1683 (et_free_pools): New function.
1684 * dominance.c (free_dominance_info): Free et-forest alloc
1687 2006-06-20 Roger Sayle <roger@eyesopen.com>
1689 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1690 integer modes, attempt to directly construct an integer constant.
1692 * fold-const.c (native_encode_vector): Determine the size of each
1693 element from the vector type instead of the first vector element.
1695 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1696 if all of its elements/components are constant.
1697 (build_constructor_from_list): Likewise.
1699 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1701 PR tree-optimization/27331
1702 * tree-data-ref.c (free_data_ref): New function.
1703 (create_data_ref): Fail if the data reference has unknown access
1705 (free_data_refs): Use free_data_ref.
1707 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1710 * tree-inline.c (setup_one_parameter): Strip useless
1711 type conversion before adding it to the IR.
1712 (declare_return_variable): Likewise.
1714 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1717 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1719 2006-06-19 Mike Stump <mrs@apple.com>
1721 * tree.c (variably_modified_type_p): VM arguments don't make the
1724 2006-06-19 Richard Guenther <rguenther@suse.de>
1726 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1727 type conversions after folding.
1729 2006-06-19 Richard Guenther <rguenther@suse.de>
1731 * ggc-page.c (extra_order_size_tab): Add entries with
1732 size of struct function and basic_block.
1733 (size_lookup): Extend to cover sizes up to 511.
1734 (ggc_alloc_stat): Adjust user.
1735 (ggc_pch_count_object): Likewise.
1736 (ggc_pch_alloc_object): Likewise.
1737 (ggc_pch_write_object): Likewise.
1739 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1741 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1742 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1745 2006-06-19 Denis Chertykov <denisc@overta.ru>
1747 * config/avr/libgcc.S : Correct my wrong previous commit.
1749 2006-06-19 Roger Sayle <roger@eyesopen.com>
1752 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1753 have stripped a SUBREG from the shift count, so we may need to
1754 convert_to_mode back to the type's mode before calling make_tree.
1755 Use new_amount instead of amount to avoid expanding a tree twice.
1757 2006-06-19 Richard Guenther <rguenther@suse.de>
1760 * fold-const.c (operand_equal_p): Check if the argument types
1761 have the same precision before stripping NOPs.
1763 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1765 Fix PR tree-optimization/27341
1766 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1768 * tree-complex.c (pass_lower_complex): Update SMT usage.
1770 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1772 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1773 Add a new alternative to the constraint strings. Add move of
1774 operand 1 to 3 to the splitter definition.
1775 ("doloop_si_long"): Second contraint alternative removed.
1777 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1779 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1780 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1782 (AVR_HAVE_MOVW) Define.
1783 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1784 (ASM_SPEC): Add avr25.
1785 (LINK_SPEC): Add avr25.
1786 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1787 (base_arch_s): Add new member 'have_movw_lpmx'.
1788 (avr_arch_types): Init 'have_movw_lpmx'.
1789 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1790 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1791 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1792 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1793 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1795 (avr_file_start): Do not output '.arh' derective.
1796 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1797 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1798 * config/avr/avr.md (mcu_enhanced): Delete.
1799 (mcu_have_movw): Define.
1800 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1801 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1802 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1803 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1804 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1805 attiny861 and at86rf401 devices.
1807 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1809 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1812 2006-06-17 Karl Berry <karl@gnu.org>
1814 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1815 doc/gccint.texi, doc/install.texi (@dircategory): Use
1816 "Software development" instead of "Programming", following
1817 the Free Software Directory.
1819 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1821 * config/i386/i386.c (legitimate_tls_address)
1822 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1823 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1824 (*tls_dynamic_gnu2_combine_64): Likewise.
1826 2006-06-16 Richard Guenther <rguenther@suse.de>
1829 * fold-const.c (negate_expr_p): Do not introduce undefined
1830 overflow in negating INTEGER_CSTs.
1831 (fold_negate_expr): Rename from negate_expr. Revert last
1832 change for folding BIT_NOT_EXPR. Change semantics to
1833 return NULL_TREE for non-simplified negations. Do not
1834 strip type conversions and unify type handling.
1835 (negate_expr): New function, wrap around fold_negate_expr
1836 but ensure building a tree always. Strip type conversions
1837 here, fold to result type.
1838 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1840 2006-06-16 Roger Sayle <roger@eyesopen.com>
1843 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1844 that (would) return their results in stack registers.
1846 2006-06-16 Michael Matz <matz@suse.de>
1847 Richard Guenther <rguenther@suse.de>
1849 * fold-const.c (fold_truthop): Only return new tree node if
1850 we canonicalized something.
1852 2006-06-16 Richard Guenther <rguenther@suse.de>
1854 * function.h (enum function_frequency): Move declaration
1855 out of struct function.
1856 (struct function): Move bool fields and the enum to the bitfield
1857 section. Reorder elements to avoid padding. Remove unused
1858 fields left over from the RTL inliner removal.
1859 * function.c (free_after_compilation): Do not zero removed fields.
1860 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1861 (ipa-type-escape.o): Likewise.
1863 2006-06-16 Richard Guenther <rguenther@suse.de>
1865 * cgraph.h (struct cgraph_local_info): Turn bool elements
1867 (struct cgraph_node): Likewise.
1868 (struct cgraph_varpool_node): Likewise.
1870 2006-06-15 Richard Guenther <rguenther@suse.de>
1872 * fold-const.c (fold_truth_not_expr): Rename from
1873 invert_truthvalue. Give it fold_* semantics to avoid
1875 (invert_truthvalue): New function. Wrapper around
1876 fold_truth_not_expr.
1877 (optimize_minmax_comparison): Avoid creating garbage.
1878 (fold_unary): Use fold_truth_not_expr for folding
1880 (fold_ternary): Replace uses of invert_truthvalue with
1881 fold_truth_not_expr where applicable.
1882 * tree.h (fold_truth_not_expr): Prototype.
1884 2006-06-16 Richard Guenther <rguenther@suse.de>
1886 PR tree-optimization/27781
1887 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1888 * ipa-pure-const.c (target.h): Include.
1889 (analyze_function): Do not analyze functions that do not
1892 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1895 * tree-dfa.c (referenced_vars_dup_list): Remove.
1896 (find_referenced_vars): Remove assert.
1897 (referenced_var_check_and_insert): Replace dup list with assert.
1898 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1899 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1901 2006-06-15 Richard Guenther <rguenther@suse.de>
1903 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1904 extra unused identifiers if not dumping.
1905 (create_variable_info_for): Likewise.
1907 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1909 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1910 (derive_constant_upper_bound): Derive more precise upper bound in
1911 common cases. Return type changed to double_int.
1912 (record_estimate): Reflect the changed return type of
1913 derive_constant_upper_bound.
1914 * double-int.c (double_int_zext, double_int_sext): Fix.
1916 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1918 * configure.ac (CFLAGS): Get them from the toplevel or from the
1919 configure invocation.
1920 * configure: Regenerate.
1921 * Makefile.in (CFLAGS): Substitute value provided by configure.
1923 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1926 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1927 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1928 rather than calling add_stmt on it.
1929 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1931 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1934 * reload1.c (reload): Remove registers returned by update_eliminables
1935 from used_spill_regs.
1937 2006-06-13 DJ Delorie <dj@redhat.com>
1939 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1941 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1943 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1944 html__strip_dir, html__mkdir_p. Enhance install-html target.
1945 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1946 * configure: Regenerate.
1948 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1950 * fold-const.c (fold_cond_expr_with_comparison): Check for
1951 Objective-C++ as language in deciding COND_EXPR transformation.
1953 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1956 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1957 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1958 * config/sh/lib1funcs.h (SL, SL1): Define.
1959 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1960 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1961 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1962 (OBJS_Os_4_200): New variable.
1963 ($(T)libgcc-Os-4-200.a): Use it.
1964 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1965 when dividing 1 and/or by 0.
1967 2006-06-13 Roger Sayle <roger@eyesopen.com>
1969 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1970 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1971 * configure: Regenerate.
1973 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1975 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1976 for real instruction.
1978 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1981 * haifa-sched.c (check_cfg): Handle special case.
1983 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1986 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1987 Add debug_info parameter. Chain the vars to the BLOCK instead
1988 of the BIND_EXPR if debug info are requested for them.
1989 (pop_gimplify_context): Adjust for above change.
1990 (gimple_add_tmp_var): Likewise.
1991 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1993 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1994 (convert_local_reference): Likewise.
1995 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1996 (finalize_nesting_tree_1): Request that debug info be emitted
1997 for debug_var_chain.
1999 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2001 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2002 for PR target/27863.
2004 2006-06-13 Richard Guenther <rguenther@suse.de>
2007 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2009 2006-06-13 Richard Guenther <rguenther@suse.de>
2011 PR tree-optimization/27830
2012 * tree-inline.c (copy_body_r): For copying the operand
2013 of an ADDR_EXPR make sure to fold &* afterwards.
2015 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2017 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2018 lvalues in the fb_none case with side-effects.
2020 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2022 * tree-flow.h: Remove the prototype for
2023 compute_phi_arg_on_exit.
2024 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2025 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2028 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2030 * builtins.c (expand_builtin_return_addr): Only use
2031 frame_pointer_rtx when count == 0 and we are expanding
2032 __builtin_return_address.
2034 2006-06-12 Fred Fish <fnf@specifix.com>
2036 * config/mips/mips.c (mips_file_start): Create special section
2037 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2039 2006-06-11 Eric Christopher <echristo@apple.com>
2042 * stor-layout.c (place_field): Remove check for
2043 remaining_in_alignment when aligning at the end of a run.
2045 2006-06-11 Eric Christopher <echristo@apple.com>
2048 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2051 2006-06-11 Roger Sayle <roger@eyesopen.com>
2054 Revert incorrect fix for PR target/27158
2055 2006-05-08 Roger Sayle <roger@eyesopen.com>
2056 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2057 of a reg_equiv_constant if the result is a legitimate constant.
2059 2006-06-11 Roger Sayle <roger@eyesopen.com>
2062 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2063 extract a CONST_VECTOR element and interpret it as an integer.
2064 (vspltis_constant): Use const_vector_elt_as_int instead of the
2065 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2066 * config/rs6000/predicates.md (easy_vector_const): Consider
2067 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2069 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2072 * stor-layout.c (update_alignment_for_field): Don't add extra
2073 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2076 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2078 * config/mips/t-rtems: Add EL/EB multilib variants.
2080 2006-06-09 Mike Stump <mrs@apple.com>
2082 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2084 2006-06-09 David Daney <ddaney@avtrex.com>
2086 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2088 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2090 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2092 2006-06-09 Richard Guenther <rguenther@suse.de>
2094 PR tree-optimization/26998
2095 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2096 of signed types, only TYPE_MIN_VALUE is special, but for both,
2097 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2098 in this case, as is -fwrapv.
2100 2006-06-08 Mike Stump <mrs@apple.com>
2103 * config/darwin.c (darwin_asm_output_anchor): Disable
2104 -fsection-anchors on darwin for now.
2105 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2106 * rs6000/rs6000.c (optimization_options): Likewise.
2108 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2111 * config/i386/i386.c (classify_argument): Skip fields with invalid
2114 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2116 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2117 (cse_insn): Likewise for the stack_pointer_rtx.
2119 2006-06-08 Roger Sayle <roger@eyesopen.com>
2121 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2122 conditions from floating point comparisons.
2124 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2127 * expmed.c (struct alg_hash_entry): Fix type of field T
2128 to match synth_mult argument.
2129 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2131 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2134 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2137 2006-06-08 Richard Guenther <rguenther@suse.de>
2140 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2141 only, if overflow is defined and not trapping.
2142 (negate_expr): Likewise.
2144 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2146 PR tree-optimization/27872
2147 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2148 flag on the new exit edge of the unrolled loop.
2150 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2152 PR rtl-optimization/26449
2153 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2155 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2158 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2159 referenced_variables with matching DECL_UID's.
2160 (find_referenced_vars): Make sure duplicate list is empty to start.
2161 (referenced_var_p): Remove.
2162 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2163 Check if var is in the list, and add if needed. Update the duplicate
2164 list if a different var is in the list with the same DECL_UID.
2165 (add_referenced_var): Call routine to check and insert.
2166 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2167 * tree-flow.h (referenced_vars_dup_list): External declaration.
2169 2006-06-07 Fred Fish <fnf@specifix.com>
2171 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2174 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2177 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2178 the imaginary and real parts of a clobbered register.
2179 Emit insn to set the imaginary part.
2181 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2183 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2184 in lieu of unwind-dw2-fde.c.
2186 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2188 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2190 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2193 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2194 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2195 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2196 V4SImode temporaries and operations instead.
2198 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2200 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2203 2006-06-06 Mike Stump <mrs@apple.com>
2205 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2206 installing during build.
2208 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2210 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2212 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2213 * config/ia64/ia64.c (params.h): New header.
2214 (ia64_optimization_options): New function to adjust parameters.
2215 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2216 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2217 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2219 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2221 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2223 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2226 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2228 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2229 Victor Kaplansky <victork@il.ibm.com>
2231 PR tree-optimization/26360
2232 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2235 2006-06-04 Roger Sayle <roger@eyesopen.com>
2236 Andrew Pinski <pinskia@physics.uc.edu>
2239 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2240 for LABEL_DECL before calling DECL_WEAK.
2243 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2244 LABEL_DECL and PARM_DECL.
2246 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2250 * c-decl.c (grokdeclarator): Disallow variably modified types at
2251 file scope. Avoid marking shared array type of constant size as
2254 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2257 * c-common.c (fold_offsetof_1): Handle static members.
2259 2006-06-04 Eric Christopher <echristo@apple.com>
2261 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2262 (debug_rli): Output value for remaining_in_alignment.
2263 (update_alignment_for_field): Unconditionalize
2264 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2265 extra alignment code.
2266 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2267 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2268 * tree.h (record_layout_info_s): Remove prev_packed.
2269 * doc/extend.texi (ms_struct): Add documentation of format.
2271 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2273 * tree.h: Declare folding_initializer.
2274 * builtins.c (fold_builtin_constant_p): Give definite answer
2275 if folding inside an initializer.
2276 * fold-const.c: Define folding_initializer.
2277 (START_FOLD_INIT): Save and then set folding_initializer.
2278 (END_FOLD_INIT): Restore folding_initializer.
2280 2006-06-04 Richard Guenther <rguenther@suse.de>
2282 PR tree-optimization/27039
2283 * fold-const.c (fold_comparison): Handle pointer comparison
2284 again for all comparison codes. Compare offsets in signed
2286 (fold_binary): Move code from here.
2288 2006-06-03 Roger Sayle <roger@eyesopen.com>
2291 * config/i386/i386.c (construct_container): Split static issued_error
2292 flag into issued_sse_arg_error, issued_sse_ret_error and
2293 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2294 requires the use of x87 registers and the user explicitly
2295 specified the -mno-80387 command line option.
2297 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2299 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2300 HAVE_DECL_SIGALTSTACK.
2302 (segv_handler): Use MC_FLD.
2303 * configure.ac: Check for a sigaltstack declaration.
2304 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2305 * configure: Regenerate.
2306 * config.in: Regenerate.
2308 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2311 * Makefile.in (stmp-fixinc): Fix typo.
2313 2006-06-02 Roger Sayle <roger@eyesopen.com>
2315 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2316 are type correct. Clean-up.
2317 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2318 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2320 2006-06-01 DJ Delorie <dj@redhat.com>
2322 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2323 shift, as we've disabled the "switch" insn that needs it.
2325 2006-06-01 Per Bothner <bothner@bothner.com>
2327 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2328 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2329 * c-ppoutput.c (cb_define): Don't increment line 0.
2331 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2333 * doc/invoke.texi: Add cpu_type power6.
2334 * config.gcc: Add cpu_type power6.
2335 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2336 to power5+ with Altivec.
2337 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2338 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2340 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2342 * config/avr/avr.h (SET_ASM_OP): Define.
2344 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2346 * config/bfin/bfin.c: Fix comment typos.
2348 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2351 * doc/install.texi: Document --enable-bootstrap and
2352 --disable-bootstrap.
2354 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2356 * doc/install.texi: Document that InfoZIP can replace jar.
2358 2006-05-31 Roger Sayle <roger@eyesopen.com>
2360 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2361 isn't available, directly generate the simpler x87 patterns without
2362 the (use (const_int 0)).
2363 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2364 implementation isn't available.
2365 (*negdf2_1): Likewise.
2366 (*negxf2_1): XF mode negation is always done using the x87.
2367 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2369 2006-05-31 Roger Sayle <roger@eyesopen.com>
2371 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2372 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2374 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2376 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2378 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2379 * config/bfin/bfin.c (basic-block.h): Include.
2380 (struct machine_function): New.
2381 (bfin_init_machine_status): New.
2382 (override_options): Initialize init_machine_status.
2383 (bfin_hardware_loop): New.
2384 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2385 (DEF_VEC_P (loop_info)): New.
2386 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2387 (struct loop_info): New.
2388 (loop_info): New typedef.
2389 (struct loop_work): New.
2390 (loop_work): New typedef.
2391 (DEF_VEC_O (loop_work)): New.
2392 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2393 (bfin_dump_loops): New.
2394 (bfin_bb_in_loop): New.
2395 (bfin_scan_loop): New.
2396 (bfin_optimize_loop): New.
2397 (bfin_reorg_loops): New.
2398 (bfin_reorg): Use bfin_reorg_loops.
2399 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2401 (I_REGNO_P): Simplify.
2402 (DP_REGNO_P, DPREG_P): New macros.
2403 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2404 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2405 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2406 Add LT_REGS, LC_REGS, LB_REGS.
2407 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2409 (REGNO_REG_CLASS): Deal with loop registers.
2410 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2412 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2413 New constants for loop registers.
2414 (UNSPEC_LSETUP_END): New.
2415 (seq_insns): New define_attr. Set it for appropriate insns.
2416 (movsi_insn): Add alternatives for move from/to
2417 loop count registers.
2418 (doloop_end): New define_expand.
2419 (loop_end): New define_insn.
2420 (define_split for bad doloop_end): New.
2421 (lsetup_with_autoinit): New define_insn.
2422 (lsetup_without_autoinit): New define_insn.
2423 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2424 * config/bfin/predicates.md (lc_register_operand): New.
2425 (lt_register_operand): New.
2426 (lb_register_operand): New.
2427 (nondp_register_operand): New.
2428 (nondp_reg_or_memory_operand): New.
2429 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2431 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2433 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2434 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2436 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2438 * Makefile.in (CATALOGS): Add po/ prefix.
2439 * configure: Regenerated.
2441 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2444 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2445 a shift operand before calling shift_op. Avoid redundant call of
2448 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2449 DJ Delorie <dj@redhat.com>
2451 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2452 we're inserting is a singlt-bit constant.
2454 2006-05-30 Roger Sayle <roger@eyesopen.com>
2456 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2457 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2459 2006-05-30 Roger Sayle <roger@eyesopen.com>
2461 PR tree-optimization/23452
2462 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2463 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2464 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2465 complex values and with -ffast-math for FP complex values.
2467 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2469 * c-common.h: Remove the prototype for yyparse.
2470 * rtl.h: Remove the prototype for init_loop.
2472 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2474 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2477 2006-05-30 Roger Sayle <roger@eyesopen.com>
2479 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2481 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2482 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2484 2006-05-30 Dirk Mueller <dmueller@suse.de>
2487 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2488 for CONSTANT_CLASS_P expresisons.
2490 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2493 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2495 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2497 PR tree-optimization/27779
2498 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2499 initial_condition instead of CHREC_LEFT.
2501 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2503 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2504 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2505 Make prototypes ISO C90.
2507 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2508 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2510 * see.c (see_analyze_one_def): Correct check.
2511 (see_get_extension_data): Check if extension is parallel.
2512 (see_get_extension_reg): Likewise.
2514 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2517 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2518 into register for (code == GTU).
2520 2006-05-29 Roger Sayle <roger@eyesopen.com>
2522 PR tree-optimization/24964
2523 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2524 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2525 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2526 abs(x)*abs(x) as x*x for scalar floating point modes.
2528 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2531 * lambda-code.c (perfect_nestify): Don't copy statements
2532 in the inner loop: move them to the inner loop header.
2534 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2537 * c-tree.texi: Document OpenMP directives and clauses.
2539 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2541 * varasm.c (globalize_decl): Fix indentation.
2543 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2546 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2547 pass_fre, pass_store_ccp, pass_copy_prop,
2548 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2549 pass_return_slot, pass_object_size, pass_lim,
2550 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2551 pass_loop_prefetch and pass_stdarg.
2553 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2555 * config/bfin/bfin.opt (mfdpic): New option.
2556 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2557 (EXTRA_MULTILIB_PARTS): Likewise.
2558 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2559 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2561 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2562 (CRT_CALL_STATIC_FUNCTION): New.
2563 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2565 (CRT_CALL_STATIC_FUNCTION): New.
2566 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2568 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2569 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2570 (initialize_trampoline): Changed to handle FD-PIC code generation.
2571 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2572 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2573 (override_options): Disallow -mid-shared-library -mfdpic combination.
2574 Can't do unaligned ops if FD-PIC.
2575 Turn off flag_pic if trying to generate non-id-shared-library
2576 non-fdpic code, since it's not supported.
2577 (bfin_assemble_integer): New function.
2578 (TARGET_ASM_INTEGER): Define.
2579 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2581 * config/bfin/crtn.s: Restore them.
2582 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2584 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2585 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2586 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2587 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2588 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2590 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2591 FDPIC_REGS and FDPIC_FPTR_REGS.
2592 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2593 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2594 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2595 (load_funcdescsi): New pattern.
2596 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2597 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2598 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2600 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2602 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2605 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2607 * tree-flow.h: Remove the prototype for add_type_alias.
2608 * tree-ssa-alias.c (add_type_alias): Remove.
2610 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2612 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2613 config/fr30/fr30.md, config/i386/i386-interix.h,
2614 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2615 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2616 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2617 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2618 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2619 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2620 Follow spelling conventions.
2621 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2622 Follow spelling conventions.
2624 2006-05-27 Richard Guenther <rguenther@suse.de>
2627 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2628 to produce a constant of value 1 of generic type.
2630 2006-05-27 Dirk Mueller <dmueller@suse.de>
2632 * cgraphunit.c (decide_is_function_needed): Fix wrong
2635 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2637 PR rtl-optimization/27661
2638 * reload.c (find_reloads): When reloading a VOIDmode constant
2639 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2640 use Pmode as mode of the reload register.
2642 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2644 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2645 is enabled at -O and above.
2647 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2650 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2653 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2656 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2657 for anonymous variables explicitly declared by front ends.
2659 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2661 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2662 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2663 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2664 ref-all pointers, run a finalization pass for them.
2665 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2666 (finalize_ref_all_pointers): New function.
2667 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2668 regular pointer type to a ref-all pointer type.
2669 (get_tmt_for): Return the special memory tag for ref-all pointers.
2671 2006-05-25 Richard Guenther <rguenther@suse.de>
2674 * fold-const.c (fold_binary): Do not look at the stripped
2675 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2677 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2679 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2680 for LT and GT if the computed range is effectively empty.
2682 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2685 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2686 mips_quad_format formats instead of ieee_single_format,
2687 ieee_double_format and ieee_quad_format formats, respectively.
2689 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2691 PR tree-optimization/27639
2692 PR tree-optimization/26719
2693 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2694 call to scev_probably_wraps_p.
2695 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2696 used_in_pointer_arithmetic_p, convert_step): Removed.
2697 (nowrap_type_p): New function.
2698 (scev_probably_wraps_p): Rewritten.
2699 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2700 chrec_convert if chrec_convert_aggressive might have been used.
2701 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2702 scev_direction): New functions.
2703 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2704 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2705 instead of convert_step.
2706 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2707 (convert_step): Declaration removed.
2708 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2710 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2712 * df-core.c: Added to header comments.
2713 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2714 df_ur_bb_info, df_urec_bb_info): Added comments.
2715 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2716 urec, ri problems): Fixed header comments.
2717 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2718 code from df_rd_transfer_function.
2720 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2722 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2723 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2724 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2726 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2728 * expr.c (undefined_operand_subword_p): New.
2729 (emit_move_multi_word): Do not generate move from undefined bits
2730 of a paradoxical subreg.
2732 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2734 PR rtl-optimization/27736
2735 * combine.c (replaced_rhs_value): New variable.
2736 (combine_instructions): Set it.
2737 (distribute_notes): When distributing a note in replaced_rhs_insn,
2738 check whether the value was used in replaced_rhs_value.
2740 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2743 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2744 add_referenced_var instead of add_referenced_tmp_var.
2745 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2746 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2748 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2749 tree_optimize_tail_calls_1): Use add_referenced_var.
2750 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2751 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2752 Use add_referenced_var.
2753 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2754 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2755 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2756 Use add_referenced_var.
2757 * tree-dfa.c (struct walk_state): Remove.
2758 (find_referenced_vars): Remove walk state and vars_found hash table.
2759 (make_rename_temp): Use add_referenced_var.
2760 (find_vars_r): Pass less parameters to add_referenced_var.
2761 (referenced_var_p): New. Is var in referenced_var hash table.
2762 (referenced_var_insert): Assert var isn't already in hash table.
2763 (add_referenced_var): Don't need walk_state parameter. Add var if it
2764 isn't already in the hash table.
2765 (add_referenced_tmp_var): Remove.
2766 (find_new_referenced_vars_1): Use add_referenced_var.
2767 * tree-ssa-pre.c (create_expression_by_pieces,
2768 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2769 Use add_referenced_var.
2770 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2771 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2772 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2774 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2775 vect_create_data_ref_ptr, vect_create_destination_var,
2776 vect_init_vector, vect_build_loop_niters,
2777 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2778 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2779 Use add_referenced_var.
2780 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2781 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2782 (add_referenced_var): Add prototype.
2783 * tree-ssa-structalias.c (get_constraint_for,
2784 intra_create_variable_infos): Use add_referenced_var.
2786 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2788 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2789 big-endian paradoxical subregs.
2790 * var-tracking.c (struct micro_operation_def): Document that,
2791 for modify micro operations, insn is the subsequent instruction.
2792 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2793 (var_reg_set, var_mem_set): ... new functions.
2794 (add_stores): Record subsequent insn.
2795 (compute_bb_dataflow): Use new functions for MO_USE.
2796 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2797 notes after the insn, and modify notes before the insn known
2798 to be the subsequent one.
2799 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2801 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2804 * config/i386/i386.c (ix86_expand_builtin): Use
2805 gen_sse3_monitor64 for TARGET_64BIT.
2807 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2809 PR rtl-optimization/26375
2810 PR rtl-optimization/26855
2811 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2813 (df_ru_bb_local_compute): Reversed statements and removed bogus
2814 comment explaining why they should be in wrong order.
2815 (df_ru_dump, df_rd_dump): Enhanced debug info.
2816 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2818 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2819 reaching uses and fixed space problem.
2821 2006-05-23 Jan Hubicka <jh@suse.cz>
2823 * cgraphunit.c (decide_is_function_needed): Also nested functions
2824 and functions declared inline can be optimized out at -O0.
2826 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2828 * doc/install.texi (Configuration): Remove reference to CrossGCC
2832 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2835 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2836 ix86_compare_emitted is non-NULL.
2838 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2841 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2844 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2846 PR rtl-optimization/25514
2847 * combine.c (replaced_rhs_insn): New variable.
2848 (combine_instructions): Set replaced_rhs_insn when trying to replace
2849 a SET_SRC with a REG_EQUAL note.
2850 (distribute_notes): Use replaced_rhs_insn when determining the live
2851 range of a REG_DEAD register.
2853 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2854 Anatoly Sokolov <aesok@post.ru>
2856 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2857 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2858 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2859 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2860 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2861 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2862 at90usb647, at90usb1286 and at90usb1287 devices.
2863 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2864 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2866 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2868 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2870 2006-05-22 Richard Guenther <rguenther@suse.de>
2873 2006-01-31 Richard Guenther <rguenther@suse.de>
2874 Paolo Bonzini <bonzini@gnu.org>
2876 * doc/install.texi (--disable-libgcc-math): Document.
2878 2006-05-22 Richard Guenther <rguenther@suse.de>
2881 2006-01-31 Richard Guenther <rguenther@suse.de>
2883 * doc/invoke.texi (-msselibm): Document.
2884 * target.h (expand_library_builtin): New target hook.
2885 * builtins.c (expand_builtin): Use expand_library_builtin.
2886 (default_expand_library_builtin): New function.
2887 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2888 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2889 (link_gcc_math_spec): Declare.
2890 (static_specs): Add link_gcc_math_spec.
2891 * expr.h (default_expand_library_builtin): Declare.
2892 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2893 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2894 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2895 * config/i386/i386.opt (msselibm): New target option.
2896 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2897 (ix86_init_sse_abi_builtins): New function.
2898 (ix86_expand_library_builtin): Likewise.
2899 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2900 (override_options): Handle error conditions wrt -msselibm.
2901 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2902 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2903 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2906 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2909 * c-common.c (self_promoting_args_p): Skip erroneous args.
2912 * c-decl.c (finish_struct): Skip erroneous fields.
2914 2006-05-22 Nick Clifton <nickc@redhat.com>
2916 * config/cris/cris.opt (march): Remove VarExists attribute.
2917 (max-stackframe=): Likewise.
2919 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2921 * doc/rtl.texi: Fix a typo.
2922 * see.c: Fix comment typos.
2924 * tree-ssa-structalias.h (alias_info): Remove num_references.
2926 2006-05-21 Mike Stump <mrs@apple.com>
2928 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2930 (darwin_pragma_options): Use BAD instead.
2931 (darwin_pragma_unused): Likewise.
2932 (darwin_pragma_ms_struct): Likewise.
2934 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2936 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2938 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2940 PR rtl-optimization/27671
2941 * simplify-rtx.c (simplify_relational_operation_1): Fix
2942 simplifications of (eq/ne (xor x y) y) and
2943 (eq/ne (xor x y) x).
2945 PR tree-optimization/26622.
2946 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2949 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2951 * tree-cfg.c: Prune whitespace.
2952 (debug_tree_cfg): Point to correct header containing the
2955 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2958 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2960 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2963 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2964 or sorry count is non zero.
2966 2006-05-20 Andreas Schwab <schwab@suse.de>
2968 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2970 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2971 Kenneth Zadeck <zadeck@naturalbridge.com>
2973 PR rtl-optimization/26855
2975 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2977 (df_scan_alloc): Added code to properly handle multiword hard
2978 registers and add all_blocks parameter.
2979 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2980 code to properly handle multiword hard registers.
2981 (df_rescan_blocks): Added code to remove deleted blocks from
2983 (df_ref_create_structure, df_ref_record): Added code to properly
2985 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2986 and set DF_REF_PARTIAL.
2987 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2988 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2989 (df_scan_add_problem): Added flags parameter.
2990 (df_ref_create_structure): Changed switching structure.
2991 (df_bb_refs_record): Fixed case where duplicate artificial refs
2992 were created. Changed location of flags.
2993 (df_record_entry_block_defs): Added code to make stack pointer
2994 live in entry block. Refined cases where frame pointer is needed.
2995 Changed location of flags.
2996 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2997 (df_set_state): Removed function.
2998 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2999 df_insn_create_insn_record, df_insn_refs_delete,
3000 df_ref_create_structure): Formatting changes.
3001 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3002 df_delete_basic_block): New function.
3003 (df_init): Changed location of flags.
3004 (df_add_problem): Added flags parameter and the way flags are
3006 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3007 debug_df_chain): Improved debugging output.
3008 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3009 (df_refs_chain_dump): Removed df parameter.
3010 (df_iterative_dataflow): Added consistency check.
3011 (df_prune_to_subcfg): Made public.
3012 (df_analyze_problem): Added blocks_to_init parameter and made
3014 (df_ref_record, df_bb_refs_record, df_mark_reg,
3015 df_record_exit_block_uses): Whitespace changes.
3016 (df_dump): Whitespace changes.
3017 * df.h: Some reordering to remove forward references.
3018 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3019 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3020 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3021 (dataflow.flags): New field.
3022 (df.flag): Deleted field.
3023 (df_alloc_function): Added additional bitmap parameter.
3024 (df_dependent_problem_function): New type.
3025 (df_problem.changeable_flags): New field.
3026 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3027 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3028 (df_mw_hardreg): New struct.
3029 (DF_INSN_UID_MWS): New macro.
3030 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3032 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3033 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3034 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3035 (df_set_state): Removed function.
3036 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3037 * df-problems.c (df_chain_dump): Removed df parameter.
3038 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3039 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3041 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3042 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3043 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3044 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3045 DF_REF_MUST_CLOBBER cases.
3046 (df_ru_bb_local_compute_process_def,
3047 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3048 df_lr_bb_local_compute, df_ur_bb_local_compute,
3049 df_chain_create_bb): Made subreg aware.
3050 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3051 df_lr_bb_local_compute, df_lr_bb_local_compute,
3052 df_chain_create_bb): Cleanup to use proper macros.
3053 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3054 code to fixup bitvectors.
3055 (df_ri_alloc): Cleared lifetime.
3056 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3057 df_create_unused_note): New function.
3058 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3059 REG_DEAD and REG_UNUSED notes as well as register information.
3060 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3061 df_chains_dump): Fixed crash if problem was never run.
3062 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3063 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3064 df_ri_add_problem): Processes flags in uniform manner.
3065 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3066 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3067 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3068 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3069 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3070 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3071 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3072 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3073 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3074 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3075 * see.c (see_initialize_data): Ditto.
3076 * final.c (rest_of_clean_state) Added regstack_completed.
3077 * rtl.h (regstack_completed): Ditto.
3078 * reg-stack.c (regstack_completed): Ditto.
3080 2006-05-19 Mike Stump <mrs@apple.com>
3082 * c-tree.h (default_conversion): Remove.
3083 * c-common.h (default_conversion): Add.
3085 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3087 * tree-vrp.c (valid_value_p): New function.
3088 (adjust_range_with_scev): Fail if the value of bound is not
3091 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3093 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3094 (mips_fallback_frame_state): Use syscall numbers to determine
3095 the appropriate li instruction for the current ABI. Only use
3096 __NR_sigreturn for o32.
3098 2006-05-19 Nicolas Setton <setton@adacore.com>
3100 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3101 * langhooks.c (lhd_dwarf_name): New function.
3102 * langhooks-def.h (lhd_dwarf_name): Declare.
3103 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3104 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3105 * ada/misc.c (gnat_dwarf_name): New function.
3106 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3108 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3110 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3112 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3113 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3114 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3115 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3116 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3117 determine the size of Wtype, etc.
3118 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3119 (swfloatfuncs): New variable.
3120 (dwfloatfuncs): Likewise.
3121 (lib2funcs): Remove floating-point conversion functions from
3122 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3123 the set of conversion routines needed. Allow entries to specify
3124 an object name, filename and word size. Update users accordingly.
3125 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3126 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3130 2006-02-08 Roger Sayle <roger@eyesopen.com>
3133 * config/fixtfdi.c: New libgcc source file.
3134 * config/fixunstfdi.c: New source file.
3135 * config/floatditf.c: New source file.
3136 * config/floatunditf.c: New souce file.
3137 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3138 files above instead of config/mips/_tilib.c.
3139 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3141 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3143 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3144 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3146 2006-05-18 Mike Stump <mrs@apple.com>
3148 Fix up vla, vm and [*] sematics.
3154 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3155 (c_vla_unspec_p): Add.
3156 (c_vla_type_p): Add.
3157 * c-decl.c (struct c_scope): Add had_vla_unspec.
3158 (build_array_declarator): Add support for [*].
3159 (grokdeclarator): Likewise.
3160 (grokparms): Likewise.
3161 (get_parm_info): Likewise.
3162 * c-objc-common.c (c_vla_unspec_p): Likewise.
3163 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3164 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3165 typeof when argument is a variably modified type not inside sizeof or alignof.
3166 (c_parser_direct_declarator_inner): Propagate errors.
3167 (c_parser_sizeof_expression): Add support for [*].
3168 (c_parser_parms_declarator): Initialize had_vla_unspec.
3169 (c_parser_parms_list_declarator): Likewise.
3170 * c-typeck.c (c_vla_type_p): Add.
3171 (composite_type): Add support for vla compositing.
3172 (comptypes_internal): Add support for vla compatibility.
3173 (c_expr_sizeof_expr): Evaluate vla arguments.
3174 * tree.c (variably_modified_type_p): Update comment for [*].
3176 2006-05-18 Michael Matz <matz@suse.de>
3179 * config.host: Make assignments to host_xmake_file cumulative.
3180 * config.host (*-darwin*): Test $host, not $target.
3182 2006-05-12 Stuart Hastings <stuart@apple.com>
3184 * config/i386/i386.opt (-mstackrealign): New flag.
3185 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3186 (ix86_handle_cconv_attribute): Emit error when
3187 force_align_arg_pointer attribute collides with too many regparms.
3188 (ix86_function_regparm): Limit regparms when used with
3189 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3190 Support stack-realigning prologue in non-main functions. Emit
3191 warning for nested functions under -mstackrealign, emit error for
3192 nested functions with force_align_arg_pointer attribute.
3193 * doc/extend.texi (force_align_arg_pointer): Document it.
3194 * doc/invoke.texi (-mstackrealign): Document it.
3196 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3198 PR rtl-optimization/27477
3199 * combine.c (try_combine): Don't split a parallel consisting
3200 of two sets into two individual sets if both sets reference
3203 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3205 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3206 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3208 * doc/options.texi (VarExists): Updated.
3210 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3212 * unwind-dw2.c: Add declarations for uw_update_context and
3214 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3215 detected, advance frame state and context once to skip over stub.
3217 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3221 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3222 Call rewrite_into_loop_closed_ssa only when something changed.
3223 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3224 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3225 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3226 Test for perfect_nest_p here. Fix formating.
3227 (replace_uses_equiv_to_x_with_y): Fix formating.
3228 (stmt_uses_op): Removed.
3229 (can_convert_to_perfect_nest): Removed loopivs parameter.
3230 Complete the test by checking the scalar dependences.
3231 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3234 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3237 From Dan Kegel <dank@kegel.com>:
3238 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3240 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3242 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3243 if the element type is variably modified without recursing.
3245 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3248 * tree-loop-linear.c (try_interchange_loops): Test for
3249 no data dependences.
3251 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3253 PR tree-optimization/27548
3254 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3255 range of ssa names that appear on abnormal edges.
3256 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3257 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3259 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3262 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3264 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3267 * tree.h (OMP_PARALLEL_COMBINED): Define.
3268 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3269 (new_omp_context): Add is_combined_parallel argument.
3270 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3271 new_omp_context caller.
3272 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3273 Adjust gimplify_scan_omp_clauses callers.
3274 (omp_is_private): Issue errors if iteration variable is firstprivate
3275 or reduction in the current context.
3276 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3277 on combined parallel workshare constructs.
3279 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3281 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3282 (gcc-options.o): New rule.
3284 * optc-gen.awk: Protect variables for gcc-options.o with
3285 #ifdef GCC_DRIVER/#endif.
3287 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3289 Fix PR tree-optimization/27373
3290 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3291 (forward_propagate_addr_expr): Update call.
3293 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3295 * doc/options.texi: Move the Negative option.
3297 2006-05-16 Richard Guenther <rguenther@suse.de>
3299 PR tree-optimization/22303
3300 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3302 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3303 ccp_fold did not simplify the statement.
3305 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3308 * Makefile.in (GCC_OBJS): New.
3309 (OBJS-common): Add opts-common.o.
3310 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3311 (cpp$(exeext)): Likewise.
3312 (gcc.o): Also depend on opts.h.
3313 (opts-common.o): New.
3315 * common.opt (gcoff): Add Negative(gdwarf-2).
3316 (gdwarf-2): Add Negative(gstabs).
3317 (gstabs): Add Negative(gstabs+).
3318 (gstabs+): Add Negative(gvms).
3319 (gvms): Add Negative(gxcoff).
3320 (gxcoff): Add Negative(gxcoff+).
3321 (gxcoff+): Add Negative(gcoff).
3322 * config/i386/i386.opt (m32): Add Negative(m64).
3323 (m64): Add Negative(m32).
3325 * doc/options.texi: Document the Negative option.
3327 * gcc.c: Include "opts.h".
3328 (main): Call prune_options after expandargv.
3330 * optc-gen.awk: Generate common declarations for all flag
3331 variables in options.c. Output the neg_index field.
3333 * opts.c (find_opt): Moved to ...
3334 * opts-common.c: Here. New file.
3336 * opts.h (cl_option): Add a neg_index field.
3338 (prune_options): Likewise.
3340 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3343 * omp-low.c (expand_omp_parallel): Don't assert
3344 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3345 instead search for it.
3348 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3351 2006-05-16 Andreas Schwab <schwab@suse.de>
3353 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3356 2006-05-15 Roger Sayle <roger@eyesopen.com>
3359 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3360 integer constants other than zero are only legitimate on TARGET_64BIT.
3361 <CONST_VECTOR> Only zero vectors are legitimate.
3362 (ix86_cannot_force_const_mem): Integral and vector constants can
3363 always be put in the constant pool.
3365 2006-05-16 DJ Delorie <dj@redhat.com>
3367 * crtstuff.c (__dso_handle): Set section from
3368 TARGET_LBIGCC_SDATA_SECTION if defined.
3369 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3370 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3372 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3375 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3378 2006-05-16 Ben Elliston <bje@au.ibm.com>
3380 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3382 2006-05-15 Per Bothner <per@bothner.com>
3384 * tree.c: (last_annotated_node): Use source_locus typedef.
3385 This permits bootstrapping with --enable-mapped-location.
3387 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3389 PR tree-optimization/26830
3390 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3391 (info_for_ssa_name, current_info_for_ssa_name_age,
3392 blocks_to_update): New variables.
3393 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3394 (clear_ssa_name_info, initialize_flags_in_bb,
3395 mark_block_for_update): New functions.
3396 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3397 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3398 prepare_def_site_for): Use mark_block_for_update.
3399 (mark_def_interesting): Assert that the processed block is marked in
3400 blocks_to_update. Do not take blocks argument.
3401 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3403 (rewrite_update_init_block, rewrite_update_stmt): Only process
3404 blocks with statements to rewrite.
3405 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3406 (update_ssa): Initialize and free blocks_to_update. Do not
3407 clear flags on statements. Do not use blocks bitmap.
3408 * tree.h (SSA_NAME_AUX): Removed.
3409 (struct tree_ssa_name): Removed aux field.
3410 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3412 2006-05-15 Richard Guenther <rguenther@suse.de>
3414 PR tree-optimization/27603
3415 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3416 Do computations in original type.
3418 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3420 * see.c: Code style changes such as redundant paranthesis,
3421 redundant intialization of local variables etc.
3422 (see_main): Declared now as static.
3423 * doc/invoke.texi: Update that -fsee is not enabled by
3426 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3428 * omp-low.c (check_omp_nesting_restrictions): New function.
3429 (scan_omp_1): Call it.
3432 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3433 construct, return *VAR.
3435 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3437 PR rtl-optimization/27406
3438 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3441 2006-05-14 Roger Sayle <roger@eyesopen.com>
3443 PR rtl-optimization/27538
3444 * combine.c (expand_compound_operation): Call gen_lowpart
3445 before calling simplify_shift_const.
3447 2006-05-14 Roger Sayle <roger@eyesopen.com>
3449 PR rtl-optimization/22563
3450 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3451 a fixed width bitfield, always force the intermediates into psuedos.
3453 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3456 * mkconfig.sh: Use operator = instead of == for test.
3458 2006-05-13 Nick Clifton <nickc@redhat.com>
3460 * dwarf2out.c (dbx_reg_number): Check return value from
3461 LEAF_REG_REMAP and only use it if it is valid.
3462 (multiple_reg_loc_descriptor): Likewise.
3464 2006-05-13 Richard Guenther <rguenther@suse.de>
3466 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3469 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3471 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3472 information attached to non-INSNs such as NOTEs.
3473 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3475 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3477 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3479 * config/s390/s390.md: Adjust comment describing On constraint.
3481 2006-05-11 Jan Hubicka <jh@suse.cz>
3483 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3484 to be output at -O0.
3486 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3489 * fold-const.c (size_binop): Move sanity check for arguments to
3490 the beginning of the function.
3493 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3496 2006-05-11 Richard Guenther <rguenther@suse.de>
3499 * fold-const.c (fold_unary): Handle intermediate conversion
3500 to a pointer type like intermediate conversion to an integer
3501 type in folding of (T1)(T2)var to var.
3502 Match the code to the comment in the final conversion for
3503 (T1)(T2)var to (T1)var regarding to type precision. Rather
3504 than disallow T1 being of pointer type, assert that both T1
3505 and var are of pointer type or not. Make sure not to fall
3506 over the frontends lazyness wrt array to pointer decay though.
3508 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3510 * arm.c (arm_struct_value_rtx): Delete.
3511 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3512 (arm_init_cumulative_args): Always initialize nregs to zero.
3514 2006-05-10 Richard Guenther <rguenther@suse.de>
3516 PR tree-optimization/27532
3517 * tree-object-size.c (plus_expr_object_size): Fix typo.
3519 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3522 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3523 ashrdi_const, ashrdi3): Use a scratch register.
3525 2006-05-10 Richard Guenther <rguenther@suse.de>
3527 PR tree-optimization/27302
3528 * fold-const.c (operand_equal_p): For two comparisons,
3529 try comparison of one comparison code swapped if that yields
3532 2006-05-10 Ben Elliston <bje@au.ibm.com>
3534 * tree-pretty-print.c (pretty_print_string): No need to handle
3535 '\0' as a special character.
3537 * tree.h: Include "hashtab.h".
3538 (iterative_hash_expr): Use hashval_t in its prototype.
3539 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3541 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3544 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3545 (hppa*64*-*-hpux11*): Ditto.
3546 (hppa[12]*-*-hpux11*): Ditto.
3548 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3551 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3553 2006-05-09 Michael Matz <matz@suse.de>
3555 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3556 host_extra_gcc_objs and host_xmake_file.
3557 (<*-*-linux*>): Don't overwrite host_xmake_file.
3558 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3559 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3560 (host_detect_local_cpu): Declare.
3561 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3562 * config/i386/i386.c (override_options): Handle -mtune=native
3564 * config/i386/x-i386: New file.
3565 * config/i386/driver-i386.c: New file.
3566 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3569 2006-05-09 Dirk Mueller <dmueller@suse.de>
3570 Richard Guenther <rguenther@suse.de>
3573 * fold-const.c (fold_read_from_constant_string): Relax check
3574 for matching types to matching modes.
3576 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3578 PR rtl-optimization/27335
3579 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3582 2006-05-08 Chao-ying Fu <fu@mips.com>
3583 Richard Sandiford <richard@codesourcery.com>
3585 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3586 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3587 * config/mips/mips.md (UNSPEC_SCC): New constant.
3588 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3589 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3590 (mips_emit_compare): Use it.
3591 (mips_expand_vcondv2sf): New function.
3593 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3595 Fix PR tree-optimization/27093
3596 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3597 renaming when they become not-used_alone.
3599 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3601 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3602 relocation and relocation stubs.
3604 2006-05-08 Eric Christopher <echristo@apple.com>
3606 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3609 2006-05-08 Jan Hubicka <jh@suse.cz>
3612 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3613 unused static functions are needed.
3615 2006-05-08 Roger Sayle <roger@eyesopen.com>
3618 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3619 of a reg_equiv_constant if the result is a legitimate constant.
3621 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3624 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3625 standard 80387 constants, raise the cost to prevent
3626 compress_float_constant() to generate load from memory.
3628 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3630 * config/arm/constraints.md (c): Fix a typo.
3632 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3635 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3638 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3640 (_mm_mwait): Likewise.
3642 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3644 (sse3_monitor): Make it 32bit only.
3645 (sse3_monitor64): New. 64bit monitor.
3647 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3650 * config/i386/i386.c (classify_argument): Skip fields with invalid
3653 2006-05-07 Richard Guenther <rguenther@suse.de>
3655 PR tree-optimization/27409
3656 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3657 Do not try to find zero-sized subvars.
3659 2006-05-07 Richard Guenther <rguenther@suse.de>
3661 PR tree-optimization/27136
3662 * tree-ssa-loop-niter.c (get_val_for): Correct function
3663 comment, assert requirements.
3664 (loop_niter_by_eval): Stop processing if the iterated
3665 value did not simplify.
3667 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3669 * opts.c (flag_see): remove its setting at -O3.
3671 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3673 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3674 * arm/constraints.md: New file.
3675 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3676 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3677 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3678 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3679 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3680 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3681 * arm.md: Include constraints.md.
3682 (thumb_movsi_insn): Use satisfies_constraint_J.
3683 (movhi, movqi): Use satisfies_constraint_I.
3685 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3687 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3688 for atmeg a645 device.
3690 2006-05-06 Richard Guenther <rguenther@suse.de>
3692 PR tree-optimization/27151
3693 * tree-vect-transform.c (vectorizable_condition): Punt on
3694 values that have a different type than the condition.
3696 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3699 * c-parser.c (c_parser_cast_expression): Only insert casts into
3700 hash table if pointer.
3701 * function.c (used_types_insert_helper): Rename from
3703 (used_types_insert): Call used_types_insert_helper.
3704 * function.h (used_types_insert): Accept only one argument.
3706 2006-05-05 David Edelsohn <edesohn@gnu.org>
3708 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3709 scratch with output modifier.
3711 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3714 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3715 with output modifier.
3717 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3720 * config/mips/mips.c (mips_symbolic_address_p): Return true
3721 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3722 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3724 2006-05-04 Richard Guenther <rguenther@suse.de>
3726 PR tree-optimization/14287
3727 PR tree-optimization/14844
3728 PR tree-optimization/19792
3729 PR tree-optimization/21608
3730 PR tree-optimization/27090
3731 * tree-ssa-pre.c (try_combine_conversion): New function.
3732 (compute_avail): After constructing the value-handle
3733 expression, use try_combine_conversion to combine NOP_EXPRs
3734 with previous value-handle expressions and use the result if it
3737 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3739 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3741 2006-05-04 Jan Hubicka <jh@suse.cz>
3744 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3746 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3748 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3749 that this only matches CONST_INTs. All users changed to VOIDmode
3752 * config/bfin/bfin.c: Include "optabs.h".
3753 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3755 (enum bfin_builtins): Add a number of fractional and vector builtins.
3756 (bfin_init_builtins): Likewise.
3757 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3758 (safe_vector_operand, bfin_expand_binop_builtin,
3759 bfin_expand_unop_builtin): New functions.
3760 (bfin_expand_builtin): Handle the new builtins.
3761 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3764 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3767 * Makefile.in (OBJS-common): Add see.o.
3768 (see.o): Add dependencies.
3769 * common.opt (fsee): New flag for the see optimization was added.
3770 * opts.c (flag_see): Initialized.
3771 * passes.c (init_optimization_passes, pass_see): New pass.
3772 * rtl.h (see_main): Declaration as extern.
3773 * timevar.def (TV_SEE): New.
3774 * tree-pass.h (pass_see): Declaration as extern.
3775 * invoke.texi (-fsee): Document.
3776 * recog.c (validate_simplify_insn): New function.
3777 * recog.h (validate_simplify_insn): Declaration as extern.
3778 * df-problems.c (df_chain_dump): Check for NULL.
3780 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3781 Daniel Berlin <dberlin@dberlin.org>
3783 * cfgrtl.c (insert_insn_bb_end_new): New function.
3784 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3786 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3788 * df.h (struct web_entry): Moved from web.c.
3789 (union_defs): Declaration as extern.
3790 (unionfind_root): Likewise.
3791 (unionfind_union): Likewise.
3792 * web.c (struct web_entry): Moved to df.h.
3793 (unionfind_root): Remove static declaration.
3794 (unionfind_union): Likewise.
3795 (union_defs): Likewise and generalize to use callback function.
3796 (web_main): Update arguments for union_defs function call.
3798 2006-05-04 Richard Guenther <rguenther@suse.de>
3800 PR tree-optimization/26447
3801 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3802 produce SSA_NAME copies before the store stmt to avoid
3803 breaking exception handling.
3805 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3808 * gimplify.c (omp_is_private): If var is shared in some outer context,
3809 return false instead of true. Stop searching on parallel context
3812 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3815 * coverage.c: Use get_gcov_unsigned_t() instead of
3816 unsigned_type_node all over.
3818 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3820 PR tree-optimization/27381
3821 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3822 maintain the same immediate_use links.
3823 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3824 node rather than segfaulting.
3826 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3829 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3830 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3831 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3833 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3835 Fix PR tree-optimization/26626
3836 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3838 * tree-ssa-operands.c (access_can_touch_variable): Allow
3839 typecasting through union pointers.
3841 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3844 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3845 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3846 to find if var will be a global variable even in the nested context.
3847 (omp_copy_decl): Only check for global variable at the end, it might
3848 be overridden in outer contexts.
3849 (scan_sharing_clauses): For global variables don't create a field.
3850 (lower_rec_input_clauses): Do nothing for global shared variables.
3851 Emit a barrier at the end of ILIST if there were any decls in both
3852 firstprivate and lastprivate clauses.
3853 (lower_send_clauses): Do nothing for global variables except for
3856 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3858 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3859 of the correct signedness is returned.
3861 2006-05-02 Jeff Law <law@redhat.com>
3863 PR tree-optimization/27364
3864 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3865 multiply expressions.
3867 2006-05-02 Tom Tromey <tromey@redhat.com>
3869 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3871 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3874 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3875 -mthumb -fPIC are used.
3877 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3878 Joshua Kinard <kumba@gentoo.org>
3881 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3882 with 64-bit pointers.
3884 2006-05-02 Paul Brook <paul@codesourcery.com>
3886 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3888 (create_fix_barrier): Check that a suitable barrier location is
3890 (arm_reorg): Include ftmp->address in allowable range of addresses.
3892 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3895 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3898 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3901 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3902 around RESULT_DECL for result passed by reference.
3903 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3904 * omp-low.c (use_pointer_for_field): Don't look at
3905 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3906 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3907 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3908 time or var for passing by reference for
3909 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3910 TREE_ADDRESSABLE variables when passing by reference.
3912 * omp-low.c (dump_omp_region): Fix output formatting.
3915 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3916 (expand_omp_parallel): Likewise.
3917 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3920 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3921 on statement list containing also constructors and destructors.
3922 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3925 * except.c (duplicate_eh_regions): Fix clearing of
3926 cfun->eh->region_array entries.
3928 2006-05-01 DJ Delorie <dj@redhat.com>
3930 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3932 (gcc_cv_objdump): Likewise.
3933 * configure: Regenerated.
3935 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3938 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3939 templates for case 3 and 4.
3941 2006-05-01 DJ Delorie <dj@redhat.com>
3943 * vec.c: Include bconfig.h when appropriate.
3944 * Makefile.in (build/vec.o): Adjust dependencies.
3945 * mkconfig.sh: Make sure config.h isn't used for build machine
3948 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3950 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3952 (mark_phi_for_rewrite): New function.
3953 (insert_phi_nodes_for, mark_use_interesting): Call
3954 mark_phi_for_rewrite.
3955 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3956 (update_ssa): Initialize and free phis_to_rewrite.
3958 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3960 PR rtl-optimization/27291
3961 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3962 folded to a constant.
3964 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3966 PR tree-optimization/27283
3967 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3968 not whole # of iteration descriptions.
3969 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3970 uses abnormal ssa name.
3971 (niter_for_single_dom_exit): Ditto.
3972 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3973 return just the number of iterations.
3975 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3977 PR tree-optimization/27144
3978 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3979 (record_estimate): Only record constant upper bound.
3980 (infer_loop_bounds_from_undefined): Call
3981 compute_estimated_nb_iterations just once.
3982 (proved_non_wrapping_p): Renamed to ...
3983 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3984 (convert_step_widening, scev_probably_wraps_p): Call
3985 n_of_executions_at_most instead of proved_non_wrapping_p.
3986 (substitute_in_loop_info): Do not replace values in bounds.
3987 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3990 2006-05-01 Richard Henderson <rth@redhat.com>
3993 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3994 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3997 2006-05-01 Roger Sayle <roger@eyesopen.com>
3999 * c-typeck.c (parser_build_binary_op): Don't call the function
4000 unsigned_conversion_warning to spot operand/result type overflow.
4001 (build_binary_op): Instead, call convert_and_check instead of
4002 convert to report the problem when the operands are promoted.
4003 * c-common.c (unsigned_conversion_warning): Make static.
4004 * c-common.h (unsigned_conversion_warning): Delete prototype.
4006 2006-05-01 Richard Guenther <rguenther@suse.de>
4008 PR tree-optimization/26726
4009 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4011 (find_interesting_uses_address): ... we work around here
4012 by folding INDIRECT_REFs in the substituted base.
4014 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4016 * omp-low.c (dump_omp_region): Add newlines.
4018 2006-04-30 Roger Sayle <roger@eyesopen.com>
4020 * common.opt (Woverflow): New command line option.
4021 * c-common.c (constant_expression_warning): Check warn_overflow.
4022 (overflow_waring): Pass OPT_Woverflow to warning.
4023 (unsigned_conversion_warning): Likewise.
4024 (convert_and_check): Likewise.
4025 * doc/invoke.texi: Document new command line option.
4027 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4029 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4030 TARGET_NO_FP_IN_TOC for section anchors.
4031 (optimization_options): Enable section anchors for all
4032 non-"Objective" languages.
4034 2006-04-28 Eric Christopher <echristo@apple.com>
4036 * config/darwin-c.c (darwin_ms_struct): Move this
4037 (darwin_set_default_type_attributes): and this...
4038 * config/darwin.c: ... here.
4039 * config/darwin.h (darwin_ms_struct): Declare.
4041 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4043 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4045 2006-04-28 Roger Sayle <roger@eyesopen.com>
4048 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4049 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4050 an unsigned HOST_WIDE_INT.
4051 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4053 (really_start_incremental_init): No need to call convert because
4054 bitsize_zero_node is already of type bitsizetype.
4055 (push_init_level): Extract the value of constructor_index as an
4056 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4057 (process_init_element): Likewise.
4059 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4061 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4062 value before passing to make_relative_prefix.
4064 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4067 * builtins.c (expand_builtin_memset): Expand val in original mode.
4069 2006-04-27 Eric Christopher <echristo@apple.com>
4071 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4072 with #ifndef/#endif.
4073 * config/darwin-c.c (darwin_ms_struct): New.
4074 (darwin_pragma_ms_struct): Ditto.
4075 (darwin_set_default_type_attributes): Ditto.
4076 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4077 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4078 Register ms_struct pragma.
4079 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4080 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4081 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4082 darwin_set_default_type_attributes if TARGET_MACHO.
4084 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4086 PR tree-optimization/26854
4087 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4088 * doc/tree-ssa.texi: Update immuse iterator documentation.
4089 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4090 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4091 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4092 first_safe_imm_use, next_safe_imm_use): Remove.
4093 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4094 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4095 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4096 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4097 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4098 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4099 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4100 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4101 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4102 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4103 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4104 (perfect_nestify): Use new iterator.
4105 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4107 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4108 (next_imm_name): New field in struct immediate_use_iterator_d.
4109 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4110 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4111 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4112 * tree-cfg.c (replace_uses_by): Use new iterator.
4113 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4114 * tree-ssa-operands.c (correct_use_link): Remove.
4115 (finalize_ssa_use_ops): No longer call correct_use_link.
4117 2006-04-27 Stuart Hastings <stuart@apple.com>
4119 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4120 * config/t-darwin (crt3.o): Use it.
4121 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4122 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4123 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4124 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4125 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4128 2006-04-27 Roger Sayle <roger@eyesopen.com>
4130 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4131 size, force the intermediate into a new pseudo rather instead of
4132 performing both a bitwise AND and a bitwise IOR in memory.
4134 2006-04-27 Richard Guenther <rguenther@suse.de>
4136 PR rtl-optimization/26685
4137 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4138 this one "max-flow-memory-locations".
4140 2006-04-27 Richard Guenther <rguenther@suse.de>
4142 PR tree-optimization/25148
4143 * tree-vrp.c (compare_values): Remove code dealing with
4144 comparisons against type min/max value. Honour overflow
4145 and negative constants in code dealing with comparisons
4146 of plus and minus expressions.
4147 (value_inside_range): Use fold_binary with LE_EXPR and
4148 GE_EXPR rather than compare_values.
4150 2006-04-27 Dirk Mueller <dmueller@suse.de>
4152 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4155 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4157 * basic-block.h (safe_insert_insn_on_edge): Removed.
4158 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4160 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4161 Paolo Bonzini <bonzini@gnu.org>
4164 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4165 (simplify_and_const_int): Same.
4167 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4169 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4171 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4174 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4175 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4176 cgraph_global_info_ready.
4179 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4182 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4183 either decl or init is error_mark_node.
4186 * tree-flow.h (struct omp_region): Add sched_kind.
4187 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4188 instead of extracting omp for data.
4189 (expand_omp_for): Save extracted sched_kind.
4191 2006-04-25 Roger Sayle <roger@eyesopen.com>
4193 * expmed.c (store_bit_field): Also check whether the bitsize is
4194 valid for the machine's "insv" instruction before moving the
4195 target into a pseudo for use with the insv.
4196 * config/i386/predicates.md (const8_operand): New predicate.
4197 * config/i386/i386.md (extv, extzv, insv): Use the new
4198 const8_operand predicate where appropriate.
4200 2006-04-25 DJ Delorie <dj@redhat.com>
4202 * doc/install.texi (Specific): Clarify that this is not a list of
4203 supported hosts or targets.
4205 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4207 PR rtl-optimization/26725
4208 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4209 block's BB_DIRTY flag.
4211 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4213 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4216 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4217 to print an integer.
4219 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4221 * varasm.c (align_variable): New function.
4222 (get_block_for_decl): Apply align_variable to DECL before
4223 calculating section information.
4224 (assemble_variable): Split out alignment computation.
4226 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4228 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4231 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4233 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4234 MODE_PARTIAL_INT mode.
4235 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4236 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4238 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4239 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4241 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4243 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4245 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4246 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4247 MACFLAG_IH): Likewise.
4248 (movstricthi_1): Renamed from "*movstricthi".
4249 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4250 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4251 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4252 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4253 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4254 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4255 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4256 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4257 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4258 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4259 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4260 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4261 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4262 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4263 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4265 * doc/rtl.texi (ss_ashift): Improve wording.
4267 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4269 * dwarf2out.c (verify_marks_clear): New.
4270 (prune_unused_types): Call verify_marks_clear initially, not
4273 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4275 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4276 * doc/rtl.texi: Document them.
4277 * simplify-rtx.c (simplify_unary_operation,
4278 simplify_binary_operation_1): Don't abort when we see them.
4280 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4283 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4284 * configure.ac: Completely disregard languages that are not
4286 * configure: Regenerated.
4288 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4289 Richard Guenther <rguenther@suse.de>
4291 PR tree-optimization/27236
4292 * tree-inline.c (copy_body_r): Make sure to copy
4293 TREE_THIS_VOLATILE flag.
4295 2006-04-24 Richard Guenther <rguenther@suse.de>
4298 * tree-complex.c (update_parameter_components): Don't handle
4299 unused parameters which have no default def.
4301 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4302 Richard Guenther <rguenther@suse.de>
4304 PR tree-optimization/27218
4305 * tree-inline.c (expand_call_inline): Strip useless type
4306 conversions for the return slot address.
4308 2006-04-24 Richard Guenther <rguenther@suse.de>
4310 * cfgloop.h (struct loops): Remove unused field array. Reorder
4312 (LOOP_PREFETCH): Remove.
4314 2006-04-24 Richard Guenther <rguenther@suse.de>
4316 PR tree-optimization/22525
4317 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4318 variable, adjust types of generated expressions.
4320 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4322 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4323 (tree-vect-patterns.o): Likewise.
4325 (cselib.o): Likewise.
4326 (loop-doloop.o): Likewise.
4327 (regclass.o): Likewise.
4328 (reload1.o): Likewise.
4329 (explow.o): Replace target.h with $(TARGET_H).
4330 (ipa-prop.o): Likewise.
4331 (ipa-cp.o): Likewise.
4332 (ipa-inline.o): Likewise.
4333 (reorg.o): Likewise.
4334 (reg-stack.o): Likewise.
4336 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4338 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4340 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4342 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4344 * configure.ac: Completely disregard languages that are not
4346 * configure: Regenerated.
4349 * c-common.h (c_build_bitfield_integer_type): Declare.
4350 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4351 * c-common.c (c_build_bitfield_integer_type): ... here.
4353 2006-04-23 Roger Sayle <roger@eyesopen.com>
4356 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4357 a SImode SUBREG of a floating point register after no_new_pseudos.
4359 2006-04-23 Roger Sayle <roger@eyesopen.com>
4361 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4362 identify potentially eliminable registers to additionally catch
4363 VIRTUAL_INCOMING_ARGS_REGNUM.
4364 (addsi3): Update the conditions on when to use addsi_small_int.
4366 2006-04-23 Roger Sayle <roger@eyesopen.com>
4369 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4370 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4371 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4373 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4375 * fold-const.c (range_predecessor): Use operand_equal_p
4376 as the predicate for equality.
4377 (range_successor): Likewise.
4379 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4382 * config/soft-fp/op-common.h: Fix a typo.
4384 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4387 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4388 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4390 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4392 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4394 * doc/tm.texi: Fix a typo.
4396 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4398 * dwarf2out.c (struct die_struct): Document that die_sib makes
4399 a circular linked list.
4400 (FOR_EACH_CHILD): New.
4401 (reverse_die_lists): Delete.
4402 (reverse_all_dies): Delete.
4403 (add_dwarf_attr): Correct documentation.
4404 (remove_child_with_prev): New.
4405 (remove_child_TAG): Update for change to die_struct, use
4406 remove_child_with_prev.
4407 (add_child_die): Update for change to die_struct.
4408 (splice_child_die): Use remove_child_with_prev and add_child_die.
4409 (print_die): Use FOR_EACH_CHILD.
4410 (die_checksum): Likewise.
4411 (assign_symbol_names): Likewise.
4412 (output_location_lists): Likewise.
4413 (build_abbrev_table): Likewise.
4414 (calc_die_sizes): Likewise.
4415 (mark_dies): Likewise.
4416 (unmark_dies): Likewise.
4417 (unmark_all_dies): Likewise.
4418 (output_die): Likewise.
4419 (prune_unused_types_mark): Likewise.
4420 (prune_unused_types_walk): Likewise.
4421 (same_die_p): Update for change to die_struct.
4422 (break_out_includes): Likewise.
4423 (prune_unused_types_prune): Likewise.
4424 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4425 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4427 (dwarf2out_finish): Don't call reverse_all_dies.
4429 2006-04-21 Eric Christopher <echristo@apple.com>
4431 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4432 in comments and function names.
4434 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4437 * c-typeck.c (digest_init): Robustify.
4439 * c-typeck.c (pop_init_level): Simplify.
4441 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4443 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4445 2006-04-21 Paul Brook <paul@codesourcery.com>
4447 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4448 hardware floating point.
4450 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4452 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4455 2006-04-21 Nick Clifton <nickc@redhat.com>
4457 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4460 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4463 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4464 C++ lang type in traceback table for Objective-C++.
4466 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4468 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4470 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4472 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4475 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4476 were errors. Remove check for erroneous objects.
4478 2006-04-20 Jeff Law <law@redhat.com>
4480 PR tree-optimization/26854
4481 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4482 checking for zero or one use.
4483 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4484 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4485 * tree-ssa-reassoc.c (negate_value): Similarly.
4486 (reassociate_bb): Similarly.
4488 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4490 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4491 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4492 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4494 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4496 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4497 fp regs if the last fp arg doesn't fit in regs.
4499 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4502 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4503 that the last insn has the REG_INC note.
4505 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4506 Nathan Sidwell <nathan@codesourcery.com>
4509 * stor-layout.c (update_alignment_for_field): Do not align
4511 (place_union_field): Place union field at the start of the union.
4512 (place_field): Move ERROR_MARK check later, and use the current
4513 allocation position to maintain monotonicity.
4515 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4517 * dominance.c: Include timevar.h.
4518 (calculate_dominance_info): Use TV_DOMINANCE.
4519 * timevar.def (TV_DOMINANCE): New timevar.
4520 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4522 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4524 PR rtl-optimization/14261
4525 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4526 move would be an INSV insn.
4527 (noce_process_if_block): Don't optimize if the destination is a
4528 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4530 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4532 * config/s390/s390.md: Add comments with the instructions emitted
4533 by an insn pattern if macros are used.
4535 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4537 PR rtl-optimization/26026
4538 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4539 is a known power of two shifted left a variable amount.
4541 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4543 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4544 to hash table twice when the debug_str section has SECTION_MERGE.
4546 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4548 * config/soft-fp: New directory. From glibc.
4549 * config/soft-fp/t-softfp: New.
4550 * config/soft-fp/README: New.
4551 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4552 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4553 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4554 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4555 * config.gcc: Use rs6000/t-fprules-fpbit or
4556 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4558 * config/rs6000/sfp-machine.h: New. Based on glibc.
4559 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4561 * config/rs6000/t-fprules: Remove fp-bit rules.
4562 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4563 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4564 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4565 (softfp_wrap_start, softfp_wrap_end): New.
4567 2006-04-18 DJ Delorie <dj@redhat.com>
4569 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4571 2006-04-18 Devang Patel <dpatel@apple.com>
4573 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4575 2006-04-18 Nick Clifton <nickc@redhat.com>
4577 * config/sh/t-symbian: Add rule to build sh-c.o
4578 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4579 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4580 (sh_symbian_encode_section_info): Likewise.
4582 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4584 * builtins.c (expand_builtin_strcmp): Cover label definition of
4585 do_libcall with HAVE_cmpstrnsi.
4587 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4589 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4591 * function.h (temp_slot_p): New.
4592 (function): Change the type of x_used_temp_slots to
4593 VEC(temp_slot_p,gc) *.
4595 2006-04-18 Nick Clifton <nickc@redhat.com>
4597 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4598 flag_strength_reduce.
4600 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4602 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4606 Partial revert of revision 112637
4607 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4608 Dale Johannesen <dalej@apple.com>
4611 * regclass.c (struct reg_pref): Update documentation.
4612 (regclass): Set prefclass to NO_REGS if memory is the best option.
4613 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4615 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4617 PR tree-optimization/26821
4618 * tree-ssa-math-opts.c (get_constant_one): New.
4619 (insert_reciprocals): Use it.
4621 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4623 * dwarf2out.c (free_AT): Delete.
4624 (remove_AT): Update string ref counts.
4625 (remove_child_TAG): Don't call free_die.
4627 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4628 or DW_TAG_GNU_EINCL.
4629 (prune_unused_types_walk_attribs): Reset string refcounts.
4630 (prune_unused_types_update_strings): New.
4631 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4632 call free_die. Do call prune_unused_types_update_strings.
4633 (prune_unused_types): Empty debug_str_hash.
4635 2006-04-17 Roger Sayle <roger@eyesopen.com>
4637 * expr.c (expand_assignment): Optimize away no-op moves where the
4638 source and destination are equal and have no side-effects.
4640 2006-04-17 Richard Guenther <rguenther@suse.de>
4643 * reload.c (push_reload): Guard calls to get_secondary_mem
4646 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4648 * alias.c (reg_base_value, old_reg_base_value): Change the
4649 type to VEC(rtx,gc) *.
4650 (REG_BASE_VALUE, find_base_value, record_set,
4651 init_alias_analysis): Use VEC instead of VARRAY.
4653 * alias.c (alias_sets): Change the type to
4654 VEC(alias_set_entry,gc) *.
4655 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4656 VEC instead of VARRAY.
4657 (last_alias_set): Remove.
4659 * cgraph.h (cgraph_edge_p): New.
4660 Update the prototype of cgraph_function_versioning.
4661 * cgraphunit.c (cgraph_copy_node_for_versioning,
4662 cgraph_function_versioning): Use VEC instead of VARRAY.
4663 * ipa-cp.c (ipcp_insert_stage): Likewise.
4665 2006-04-16 Roger Sayle <roger@eyesopen.com>
4668 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4669 "A op B" or "A op C", we may need to convert A to the type of B and C.
4671 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4673 * target.h (struct gcc_target): Add mode_rep_extended.
4674 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4675 (init_num_sign_bit_copies_in_rep): Initialize it using
4677 (truncate_to_mode): Use it.
4678 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4679 * targhooks.h (default_mode_rep_extended): Declare it.
4680 * targhooks.c (default_mode_rep_extended): Define it.
4681 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4682 default_mode_rep_extended.
4683 (TARGET_INITIALIZER): Include it.
4684 * doc/tm.texi (Misc): Document it.
4685 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4686 (mips_truncated_to_mode): New function.
4688 2006-04-16 Roger Sayle <roger@eyesopen.com>
4691 * expr.c (compress_float_constant): Copy the narrow constant into
4692 a new pseudo before extending it to its final width.
4694 2006-04-16 Roger Sayle <roger@eyesopen.com>
4695 Andrew Pinski <pinskia@gcc.gnu.org>
4696 Dale Johannesen <dalej@apple.com>
4699 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4700 special case code to implement V8HImode and V16QImode with SSE2.
4702 2006-04-15 Roger Sayle <roger@eyesopen.com>
4704 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4705 trees are constructed with a suitable tree type.
4707 2006-04-15 Roger Sayle <roger@eyesopen.com>
4709 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4710 (integer_onep): Likewise.
4711 (integer_all_onesp): Likewise.
4712 (integer_pow2p): Likewise.
4713 (integer_nonzerop): Likewise.
4714 (real_zerop): Likewise.
4715 (real_onep): Likewise.
4716 (real_twop): Likewise.
4717 (real_minus_onep): Likewise.
4718 (int_size_in_bytes): Likewise.
4719 (host_integerp): Likewise.
4721 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4723 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4724 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4725 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4727 * tree-ssa-structalias.h (alias_info): Remove num_references.
4729 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4731 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4732 (output_bvb patterns): Likewise.
4733 * pa.c (output_bb): Use 'bb' insn for long branch case.
4734 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4735 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4736 1. Correct length operand for alternatives 1 and 2.
4737 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4738 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4740 2006-04-14 Roger Sayle <roger@eyesopen.com>
4742 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4743 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4744 were accidentally reverted by r112959.
4746 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4749 * except.h (eh_region_outermost): New prototype.
4750 * except.c (eh_region_outermost): New function.
4751 * tree-cfg.c (find_outermost_region_in_block): Use it.
4753 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4755 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4757 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4758 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4759 (init_reload, reload): Use VEC instead of VARRAY.
4760 * reload.h: Update the prototype for
4761 reg_equiv_memory_loc_varray.
4763 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4764 Eric Botcazou <ebotcazou@libertysurf.fr>
4766 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4769 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4772 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4773 to expand fallback builtin function call.
4775 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4778 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4779 and emit libcall here in case the builtin fails.
4780 (expand_builtin_strcmp): Always emit the libcall here on failure.
4782 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4784 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4785 * flow.c (reg_n_info): Change the type to
4786 VEC(reg_info_p,heap) *.
4787 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4789 * regs.h (reg_info_p): New.
4790 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4791 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4792 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4795 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4797 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4799 * params.h (MAX_SCHED_READY_INSNS): New macro.
4800 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4801 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4802 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4803 the ready list for 1 cycle during the first scheduling pass.
4804 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4806 2006-04-13 Richard Henderson <rth@redhat.com>
4809 * gimple-low.c (lower_omp_directive): Remove dead code.
4810 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4811 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4812 * omp-low.c (struct omp_region): Move to tree-flow.h.
4813 (root_omp_region): Export.
4814 (omp_regions, lookup_omp_region): Remove.
4815 (determine_parallel_type): Update for struct omp_region changes.
4816 (dump_omp_region): Dump regions with block numbers.
4817 (new_omp_region): Take type and block instead of stmt; malloc
4819 (free_omp_region_1, free_omp_regions): New.
4820 (expand_parallel_call): Take entry_stmt as argument; update for
4821 changes to omp_region.
4822 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4823 (remove_exit_barriers): New.
4824 (expand_omp_parallel): Update for struct omp_region changes.
4825 (expand_omp_synch): Likewise.
4826 (expand_omp): Likewise.
4827 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4828 (expand_omp_for_static_chunk): Likewise.
4829 (expand_omp_for): Likewise.
4830 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4831 (expand_omp_sections): Similarly, with GOMP_sections_end.
4832 (expand_omp_single): New.
4833 (build_omp_regions_1): Update for OMP_CONTINUE.
4834 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4835 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4836 OMP_SECTIONS_SECTIONS.
4837 (lower_omp_single_simple): Don't emit barrier here.
4838 (lower_omp_single_copy): Likewise.
4839 (lower_omp_single): Fix bindings, and lower to straightline now.
4840 (lower_omp_master, lower_omp_ordered): Likewise.
4841 (lower_omp_critical): Likewise.
4842 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4843 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4844 omp edges, free it afterward.
4845 (make_omp_sections_edges): Remove.
4846 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4847 (move_stmt_r): Handle OMP_CONTINUE.
4848 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4849 statement pointers to basic blocks. Add type member.
4850 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4851 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4852 * tree-inline.c (estimate_num_insns_1): Likewise.
4853 * tree-pretty-print.c (dump_generic_node): Likewise.
4854 * tree-ssa-operands.c (get_expr_operands): Likewise.
4855 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4856 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4857 (OMP_CONTINUE): New.
4858 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4859 (OMP_SECTIONS_SECTIONS): Remove.
4860 (OMP_SECTION_LAST): New.
4861 (OMP_RETURN_NOWAIT): New.
4863 2006-04-13 Roger Sayle <roger@eyesopen.com>
4865 * fold-const.c (native_encode_vector, native_interpret_real):
4866 Correct obvious mistakes in the previous check-in.
4868 2006-04-13 Roger Sayle <roger@eyesopen.com>
4870 * fold-const.c (native_encode_expr): New function to encode
4871 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4872 or VECTOR_CST into a specified buffer.
4873 (native_encode_int): New function.
4874 (native_encode_real): New function.
4875 (native_encode_complex): New function.
4876 (native_encode_vector): New function.
4877 (native_interpret_expr): Inverse of native_encode_expr to convert
4878 a target representation into an INTEGER_CST, REAL_CST etc...
4879 (native_interpret_int): New function.
4880 (native_interpret_real): New function.
4881 (native_interpret_complex): New function.
4882 (native_interpret_vector): New function.
4883 (fold_view_convert_expr): New function to constant fold/evaluate
4884 a VIEW_CONVERT_EXPR of a suitable constant expression.
4885 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4886 Change call of build1 to fold_build1 when constructing a
4889 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4890 Ulrich Weigand <uweigand@de.ibm.com>
4893 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4896 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4899 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4900 optimize to lo_sum for DFmode if !TARGET_FPRS.
4902 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4904 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4905 delete_alias_info, compute_flow_sensitive_aliasing,
4906 group_aliases): Use VEC instead of VARRAY.
4907 * tree-ssa-structalias.c (update_alias_info): Likewise.
4908 * tree-ssa-structalias.h (alias_info): Change the type of
4909 processed_ptrs to VEC(tree,heap) *.
4911 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4914 * config/sh/lib1funcs.h: New file, broken out of:
4915 * config/sh/lib1funcs.asm.
4916 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4918 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4919 * config/sh/lib1funcs-Os-4-200.asm: New file.
4920 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4921 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4922 (EXTRA_MULTILIB_PARTS): Include it.
4923 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4924 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4925 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4926 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4929 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4931 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4932 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4933 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4935 * tree-ssa-live.h: Include vecprim.h.
4936 (tree_partition_associator_d): Change the type of
4937 first_partition to VEC(int,heap) *.
4938 (tpa_first_partition): Use VEC instead of VARRAY.
4940 * Makefile.in (GTFILES): Move functions.h after tree.h.
4941 * function.c (reset_block_changes, record_block_change,
4942 check_block_change, free_block_changes): Use VEC instead of
4944 * function.h (function): Change the type of
4945 ib_boundaries_block to VEC(tree,gc) *.
4946 * tree-inline.c (copy_cfg_body): Initialize
4947 ib_boundaries_block to NULL instead of (varray_type) 0.
4949 2006-04-12 Roger Sayle <roger@eyesopen.com>
4951 * expr.c (emit_group_store): Correct operand order in call to
4952 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4953 a SUBREG_BYTE of zero.
4955 2006-04-12 Richard Guenther <rguenther@suse.de>
4957 * profile.c (compute_branch_probabilities): Remove code
4958 encapsulated in !ir_type (), which are remanents of the
4959 removed RTL profiling code.
4960 * rtl-profile.c: Remove.
4962 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4964 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4965 magic NULL_RTX comment.
4966 (function_arg): Store entire fp arg to mem if any part should go
4968 (rs6000_arg_partial_bytes): Adjust for above change.
4970 2006-04-11 Roger Sayle <roger@eyesopen.com>
4972 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4973 if it hasn't been initialized by dwarf2out_init.
4975 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4977 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4978 symbolic constants in branch patterns.
4980 2006-04-11 Roger Sayle <roger@eyesopen.com>
4982 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4984 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4986 PR rtl-optimization/27073
4987 * gcse.c (try_replace_reg): Revert last change. Continue to search
4988 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4991 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4993 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4994 aggregate types other than record and union types.
4995 (function_arg): Likewise.
4996 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4998 (function_value): In 64-bit mode, return objects that require it
5001 2006-04-11 Roger Sayle <roger@eyesopen.com>
5003 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5005 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5007 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5009 2006-04-03 Jeff Law <law@redhat.com>
5012 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5013 alias information too.
5015 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5017 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5019 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5022 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5023 (premark_used_types_helper): New.
5024 (premark_used_types): New.
5025 (gen_subprogram_die): Call premark_used_types.
5026 (prune_unused_types_walk): Do not prune perennial dies.
5027 * function.c (used_types_insert): New.
5028 * function.h (struct function): Add used_types_hash field.
5029 (used_types_insert): Add prototype.
5030 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5031 * c-parser.c (c_parser_cast_expression): Save casted types in used
5034 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5037 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5038 rs6000_explicit_options.float_gprs.
5040 2006-04-10 Roger Sayle <roger@eyesopen.com>
5042 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5043 from ix86_expand_vector_init_low_nonzero. Take an additional
5044 one_var argument indicating which element is non-zero. Support
5045 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5046 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5047 with one_var instead of ix86_expand_vector_init_low_nonzero.
5049 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5051 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5052 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5053 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5054 build/genextract.o): Depend on vecprim.h.
5055 * cfglayout.c, df-problems.c, function.c, genextract.c,
5056 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5057 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5061 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5063 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5064 Declare VECs of this type.
5065 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5066 (remove_children): Delete.
5067 (add_dwarf_attr): Use VEC routines.
5068 (add_AT_flag): Update for changes to add_dwarf_attr.
5069 (add_AT_int): Likewise.
5070 (add_AT_unsigned): Likewise.
5071 (add_AT_long_long): Likewise.
5072 (add_AT_vec): Likewise.
5073 (add_AT_string): Likewise.
5074 (add_AT_die_ref): Likewise.
5075 (add_AT_fde_ref): Likewise.
5076 (add_AT_loc): Likewise.
5077 (add_AT_loc_list): Likewise.
5078 (add_AT_addr): Likewise.
5079 (add_AT_lbl_id): Likewise.
5080 (add_AT_lineptr): Likewise.
5081 (add_AT_macptr): Likewise.
5082 (add_AT_offset): Likewise.
5083 (add_AT_range_list): Likewise.
5084 (get_AT): Use VEC_iterate.
5085 (remove_AT): Use VEC_ordered_remove.
5086 (free_die): Fold remove_children into here; have it use VEC_iterate.
5087 (print_die): Use VEC_iterate on attrs.
5088 (reverse_die_lists): Don't reverse attr lists.
5089 (die_checksum): Use VEC_iterate on attrs.
5090 (same_die_p): Likewise.
5091 (output_location_lists): Likewise.
5092 (build_abbrev_table): Likewise.
5093 (size_of_die): Likewise.
5094 (unmark_all_dies): Likewise.
5095 (output_abbrev_section): Likewise.
5096 (output_die): Likewise.
5097 (prune_unused_types_walk_attribs): Likewise.
5099 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5101 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5103 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5106 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5108 2006-04-09 Roger Sayle <roger@eyesopen.com>
5110 * expr.c (store_constructor): Don't bother clearing target if
5111 we're about to assign a vector to it using vec_init_optab.
5113 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5115 * tree-ssa-alias.c (lhs_may_store_to): New function.
5116 (recalculate_used_alone): Handle LHS of calls.
5118 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5122 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5123 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5124 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5125 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5126 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5127 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5128 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5129 stubs. Add ".align 8" directives before all ".dword" directives.
5130 (GTHREAD_USE_WEAK): Revise comment.
5131 (TARGET_ATTRIBUTE_WEAK): Define.
5132 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5133 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5134 * stublib.c: New file.
5139 * pa.md (cbranch patterns): Revise arguments used in calls to
5140 output_cbranch, output_bb and output_bvd. Add long branch length
5142 (fbranch patterns): Handle long branches.
5143 (jump): Revise length check. Revise arguments for output_lbranch call.
5144 Add long branch length attributes.
5145 (decrement_and_branch_until_zero): Add long branch length attributes.
5146 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5147 Likewise. Revise arguments for output_parallel_addb and
5148 output_parallel_movb calls.
5149 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5150 output_parallel_movb and output_parallel_addb): Update prototypes.
5151 * pa.c (output_cbranch): Revise arguments. Correct handling of
5152 nullification in long branches.
5153 (output_lbranch): Add new argument to control extraction of delay
5155 (output_bb): Handle long branches.
5156 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5157 output_parallel_addb): Likewise.
5159 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5161 PR rtl-optimization/27073
5162 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5165 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5167 * tree.h (tree_memory_tag): Add old_used_alone.
5168 (SMT_OLD_USED_ALONE): New macro.
5169 * tree-ssa-alias.c (recalculate_used_alone): Stop
5170 marking things for renaming unnecessarily.
5172 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5174 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5175 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5176 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5177 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5178 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5179 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5180 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5181 spelling convensions.
5182 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5183 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5184 typos. Follow spelling conventions.
5186 2006-04-07 DJ Delorie <dj@redhat.com>
5188 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5189 passed on the stack.
5190 (m32c_init_cumulative_args): When a function returns a structure,
5191 always pass the pointer to that return area on the stack.
5192 (m32c_function_arg_advance): Don't increment the parameter number
5193 if we're processing the returned structure pointer.
5194 (pushm_info): Reverse order of registers.
5196 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5198 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5199 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5200 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5201 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5203 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5204 chrec_fold_multiply): Same.
5205 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5206 force_expr_to_var_cost): Same.
5207 * tree-mudflap.c (mf_xform_derefs_1): Same.
5208 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5210 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5212 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5213 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5216 2006-04-07 Jan Hubicka <jh@suse.cz>
5218 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5220 2006-04-07 Richard Guenther <rguenther@suse.de>
5222 PR tree-optimization/26135
5223 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5224 loads for store copy-prop.
5225 (copy_prop_visit_stmt): Likewise.
5227 2006-04-05 Robert Millan <robertmh@gnu.org>
5229 * config/i386/linux.h: Add a comment to mark macros that are
5230 being overriden in config/k*bsd-gnu.h.
5231 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5233 * config/knetbsd-gnu.h: Ditto.
5235 2006-04-06 Jan Hubicka <jh@suse.cz>
5239 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5242 2006-04-06 Mike Stump <mrs@apple.com>
5244 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5245 for HAVE_nonlocal_goto to be consistent.
5246 (expand_builtin_nonlocal_goto): Likewise.
5247 (expand_builtin_strcmp): Use #ifdef instead of #if
5248 for HAVE_cmpstrnsi to be consistent.
5250 2006-04-05 DJ Delorie <dj@redhat.com>
5252 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5255 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5257 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5258 got-relative addressing for anything but SImode.
5260 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5261 even if the calling function doesn't modify them.
5263 2006-04-05 Richard Guenther <rguenther@suse.de>
5265 PR tree-optimization/26919
5266 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5267 to cgraph_estimate_size_after_inlining.
5269 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5271 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5273 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5275 PR tree-optimization/26996
5276 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5277 VECTOR_TYPE variables.
5279 2006-04-05 Richard Guenther <rguenther@suse.de>
5281 PR tree-optimization/26763
5282 * fold-const.c (fold_comparison): Move folding of
5283 PTR + CST CMP PTR + CST ...
5284 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5286 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5288 * doc/install.texi (Prerequisites): Refine some wording on
5289 bootstrapping and ksh.
5290 Move the version numbers of DejaGnu here from the testing section
5291 and fix casing of names.
5292 Fix markup and clarify wording for autogen requirements.
5293 Refer to GCJ instead of just java.
5294 Refer to SVN instead of CVS.
5295 Describe diffutils as useful instead of necessary.
5296 (Downloading the source): Refer to SVN instead of CVS.
5297 Adjust a link to our web site accordingly.
5298 (Configuration): Fix casing of Bison.
5299 (Building): Refer to SVN instead of CVS.
5300 Fix a sentence on the use of Bison and remove duplicate (and
5301 incorrect) version number of Bison requirement.
5302 Remove one redundant list of packages needed for building.
5303 (Specific): Avoid reference to CVS.
5305 2006-04-04 Eric Christopher <echristo@apple.com>
5307 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5308 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5309 (rs6000_handle_struct_attribute): New.
5310 (rs6000_ms_bitfield_layout_p): Ditto.
5312 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5314 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5315 NULL for dso parameter to atexit_common.
5317 2006-04-04 Eric Christopher <echristo@apple.com>
5319 * config/i386/i386.c (machopic_output_stub): Output \t
5320 between instructions and operands.
5322 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5324 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5325 satisfies_constraint_[IL] to explicit tests on value.
5327 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5329 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5330 set_nb_iterations_in_loop): Use build_int_cst instead of
5332 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5333 build_int_cst instead of convert.
5335 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5337 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5338 new value 2 for incoming.
5339 * function.c (expand_function_start): Call struct_value_rtx
5341 * config/sparc/sparc.md: Comment updated_return.
5342 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5343 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5344 struct return if sparc_std_struct_return and incoming is 2.
5345 (print_operand): Do not adjust return if
5346 sparc_std_struct_return.
5348 2006-04-04 Roger Sayle <roger@eyesopen.com>
5350 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5351 convert in the middle-end.
5352 * expr.c (store_expr, store_constructor, get_inner_reference,
5353 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5355 * tree.c (build_range_type): Likewise.
5357 2006-04-04 Tom Tromey <tromey@redhat.com>
5359 * doc/install.texi (Prerequisites): Mention jar.
5361 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5363 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5366 2006-04-04 Matthias Klose <doko@debian.org>
5368 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5369 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5372 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5374 * doc/extend.texi (Function Attributes): Rewrite visibility
5375 attribute documentation.
5376 * doc/invoke.texi (C++ Dialect Options): Rewrite
5377 -fvisibility-inlines-hidden documentation to describe something
5378 entirely different, although in practise compatible.
5379 (Code Gen Options): Warn about system headers in -fvisibility=
5382 * doc/extend.texi (Other Builtins): Document that
5383 __builtin_nan is a compile-time constant only when its argument
5386 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5388 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5389 trying to remove TRUNCATE check if all bits outside the new mode
5390 are identical to the sign bit.
5392 2006-04-03 Jeff Law <law@redhat.com>
5394 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5395 and operand scanning in some common cases.
5397 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5398 Dale Johannesen <dalej@apple.com>
5401 * regclass.c (struct reg_pref): Update documentation.
5402 (regclass): Set prefclass to NO_REGS if memory is the best option.
5403 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5404 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5405 into account. For non-registers, equate an empty preferred
5406 reload class to a `!' in the constraint; move the if clause to
5407 do so after those that reject the insn.
5408 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5410 (find_dummy_reload): Likewise.
5411 * doc/tm.texi (Register Classes): Document what it means
5412 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5413 * config/i386/i386.c (ix86_preferred_reload_class): Force
5414 using SSE registers (and return NO_REGS for floating-point
5415 constants) if math is done with SSE.
5416 (ix86_preferred_output_reload_class): New.
5417 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5418 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5419 * config/i386/i386.md: Remove # register preferences.
5421 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5424 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5425 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5426 the type of nb_iter.
5427 (instantiate_parameters_1): Convert the operands before calling
5428 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5429 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5431 2006-04-02 Roger Sayle <roger@eyesopen.com>
5433 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5434 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5436 * dojump.c (do_jump): Likewise.
5437 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5438 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5439 gimplify_boolean_expr): Likewise.
5440 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5441 * varasm.c (array_size_for_constructor): Likewise.
5442 * tree-object-size.c (compute_object_offset): Likewise.
5444 2006-04-02 Roger Sayle <roger@eyesopen.com>
5447 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5448 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5450 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5452 PR tree-optimization/26939
5453 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5455 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5457 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5458 at_stmt. Convert the type of operands before calling
5459 build_polynomial_chrec.
5460 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5462 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5463 (instantiate_parameters_1): Convert the type of operands before calling
5464 build_polynomial_chrec.
5465 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5466 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5467 reset_evolution_in_loop): Insert asserts to check the types of the
5469 (chrec_type): Moved...
5470 (eq_evolutions_p): Use operand_equal_p.
5471 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5472 the types of the operands.
5473 (chrec_type): ...here.
5474 * tree-data-ref.c (create_data_ref): Convert the operands before
5475 calling chrec_replace_initial_condition.
5476 (same_access_functions, analyze_subscript_affine_affine,
5477 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5478 (compute_subscript_distance, analyze_ziv_subscript,
5479 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5480 analyze_miv_subscript): Convert the operands before calling
5481 chrec_fold_minus or chrec_fold_plus.
5483 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5485 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5486 the dependence_relations vector.
5487 (compute_data_dependences_for_loop): Adjust call to
5488 compute_all_dependences.
5490 2006-04-01 Roger Sayle <roger@eyesopen.com>
5491 Richard Henderson <rth@redhat.com>
5493 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5494 gimple_boolify on the condition before calling gimplify_expr.
5496 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5498 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5499 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5500 the frame size. Update to use the new macros.
5501 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5502 * config/xtensa/ieee754-df.S: Likewise.
5504 2006-03-31 Richard Henderson <rth@redhat.com>
5506 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5507 (make_edges): ... here. Control fallthru creation with a local
5508 variable. Do not play with fake edges.
5509 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5510 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5513 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5515 * dwarf2.h (DW64_CIE_ID): Define.
5516 * dwarf2out.c (DWARF_CIE_ID): Define.
5517 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5518 length header. Use DWARF_CIE_ID.
5519 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5520 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5522 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5524 * config/sh/linux-atomic.asm: New file.
5525 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5527 2006-03-31 DJ Delorie <dj@redhat.com>
5529 * config/m32c/cond.md: Set condition flags properly throughout.
5530 * config/m32c/minmax.md: Likewise.
5531 * config/m32c/prologue.md: Likewise.
5532 * config/m32c/bitops.md: Likewise.
5533 * config/m32c/muldiv.md: Likewise.
5534 * config/m32c/mov.md: Likewise.
5535 * config/m32c/addsub.md: Likewise.
5536 * config/m32c/m32c.md: Likewise.
5537 * config/m32c/jump.md: Likewise.
5538 * config/m32c/shift.md: Likewise.
5540 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5541 conditionally output the pattern for this.
5542 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5543 (m32c_compare_redundant): New.
5544 (m32c_output_compare): New.
5545 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5547 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5548 dest, not src. Allow other 4-byte modes.
5550 2006-03-30 Denis Chertykov <denisc@overta.ru>
5552 * doc/md.texi: Refer to avr/constraints.md instead of
5555 2006-03-30 Roger Sayle <roger@eyesopen.com>
5557 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5558 signed vs. unsigned comparison failures on some hosts.
5560 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5563 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5564 change to FLOAT_REGS.
5566 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5567 (rs6000_override_options): Use it.
5568 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5569 only for -mabi=spe/no-spe and -mabi=altivec.
5571 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5573 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5576 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5578 * Makefile.in: Rename docdir to gcc_docdir.
5580 2006-03-30 Roger Sayle <roger@eyesopen.com>
5583 * expr.c (emit_group_store): Optimize group stores into a pseudo
5584 register by using a paradoxical subreg to initialize the destination
5585 if the first or last member of the group specifies a "low part".
5587 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5590 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5591 * target.h (struct gcc_target.speculate_insn): Change type of the
5592 second parameter to 'int'.
5593 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5594 the second operand of the DEPS_LIST.
5595 (copy_DEPS_LIST_list): Update reference to the second operand of the
5597 * rtl.h (alloc_DEPS_LIST): Update signature.
5598 * sched-int.h (ds_t): Change typedef to 'int'.
5599 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5601 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5603 * haifa-sched.c (try_ready): Change condition to restore
5604 non-speculative pattern of the instruction.
5605 (process_insn_depend_be_in_spec): Code to keep probability of the
5606 speculative dependence non-decreasing.
5608 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5610 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5611 (single_move_for_movmem): ... this. Also change all uses.
5612 (bfin_expand_strmov): Renamed to...
5613 (bfin_expand_movmem): ... this. Also change all uses.
5614 * config/bfin/bfin.md (movstrsi): Renamed to...
5615 (movstrsi): ...this.
5617 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5619 PR tree-optimization/26830
5621 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5622 (copy_prop_visit_stmt): Remove write-only variable ann.
5623 (init_copy_prop): Check variable loop depth here. Do not simulate
5624 memory-tag and virtual operand PHIs except for store copy prop.
5626 2006-03-30 Richard Guenther <rguenther@suse.de>
5628 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5629 variants with double arguments.
5631 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5633 * genpreds.c (write_tm_constrs_h): Delete variable p.
5634 * genconditions.c (write_header): Add tm-constrs.h to included
5636 * genpeep.c (main): Add toplev.h to included headers.
5637 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5638 (build/genpeep.o): Add toplev.h dependency.
5639 * config/rs6000/constraints.md: Add "W" constraint.
5641 2006-03-29 Roger Sayle <roger@eyesopen.com>
5643 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5644 sizes by correctly testing whether the size fits a host integer.
5645 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5646 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5647 SImode range for the default sizetype and bitsizetype.
5649 2006-03-29 Roger Sayle <roger@eyesopen.com>
5651 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5652 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5653 quickly if the argument is already of the correct type.
5654 Call fold_build1 instead of build1. Tidy up blank lines.
5656 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5658 * genemit.c (main): Add tm-constrs.h to included headers.
5659 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5660 * genpeep.c (main): Add tm-constrs.h to included headers.
5661 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5662 (write_tm_constrs_h): this and write complete file.
5663 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5664 (write_insn_preds_c): Add tm-constrs.h to included headers.
5665 (gen_constrs): New variable.
5666 (parse_option): Parse "-c".
5667 (main): Invoke write_tm_constrs_h.
5668 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5669 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5670 (object_out_file): Add tm-constrs.h dependency.
5671 (insn-emit.o): Same.
5672 (insn-output.o): Same.
5673 (insn-peep.o): Same.
5674 (insn-preds.o): Same.
5675 (insn-recog.o): Same.
5676 (tm-constsr.h): New target.
5677 (s-constrs-h): New target.
5679 * config/rs6000/constraints.md: New file.
5680 * config/rs6000/rs6000.c: Include tm-constrs.h.
5681 (num_insn_constant_wide): Convert to satisfies_constraint.
5682 (rs6000_rtx_costs): Convert to satisfies_constraint.
5683 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5684 (CONST_OK_FOR_LETTER_P): Delete.
5685 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5686 (EXTRA_CONSTRAINT): Delete.
5687 (EXTRA_MEMORY_CONSTRAINT): Delete.
5688 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5689 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5690 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5691 satisfies_constraint.
5693 * config/i386/i386.c: Include tm-constrs.h.
5695 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5697 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5698 * tree-data-ref.c (find_data_references_in_loop,
5699 compute_data_dependences_for_loop): Use pointers to VEC.
5700 (analyze_all_data_dependences): Adjust calls.
5701 * tree-data-ref.h (find_data_references_in_loop,
5702 compute_data_dependences_for_loop): Adjust declarations.
5703 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5704 compute_data_dependences_for_loop.
5706 2006-03-29 Paul Brook <paul@codesourcery.com>
5708 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5711 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5713 PR tree-optimization/26859
5714 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5716 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5717 for the step after fold_convert.
5719 2006-03-29 Paul Brook <paul@codesourcery.com>
5721 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5722 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5724 2006-03-29 Paul Brook <paul@codesourcery.com>
5727 * targhooks.c (default_narrow_bitfield): New fuction.
5728 * targhooks.h (default_narrow_bitfield): add prototype.
5729 * target.h (gcc_target): Add narrow_volatile_bitfield.
5730 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5731 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5732 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5733 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5735 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5737 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5739 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5740 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5741 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5742 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5743 (s390_function_arg_float): Allow SDmode and DDmode values to be
5744 passed in floating point registers.
5745 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5746 check with SCALAR_FLOAT_MODE_P.
5747 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5749 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5751 PR tree-optimization/25985
5752 * tree-ssa-loop-niter.c (number_of_iterations_le,
5753 number_of_iterations_ne): Make comments more precise.
5754 (number_of_iterations_cond): Add only_exit argument. Use the
5755 fact that signed variables do not overflow only when only_exit
5757 (loop_only_exit_p): New.
5758 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5759 number_of_iterations_cond.
5761 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5763 PR tree-optimization/26643
5764 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5767 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5769 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5770 (divsi3_i4_int): Likewise.
5772 2006-03-28 Roger Sayle <roger@eyesopen.com>
5774 * expr.c (emit_group_store): Only create a new pseudo reg if the
5775 quantity it needs to hold isn't already a suitable pseudo.
5777 2006-03-28 Jeff Law <law@redhat.com>
5779 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5780 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5782 2006-03-28 Roger Sayle <roger@eyesopen.com>
5784 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5785 the equivalent ~X & Y, and the symmetry related transformations.
5786 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5787 ~X & Y, and symmetry related transforms.
5789 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5791 Revert my 2006-03-27 patches.
5793 2006-03-28 Roger Sayle <roger@eyesopen.com>
5795 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5796 ~(T1)X, when T1 and T2 are integer types of the same precision
5797 and (T2)X isn't an extension.
5799 2006-03-28 Jeff Law <law@redhat.com>
5801 PR tree-optimization/26796
5802 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5803 need EH edge cleanups rather than purging them immediately.
5804 (eliminate_degenerate_phis): Handle queued EH cleanups.
5806 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5808 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5811 2006-03-27 Roger Sayle <roger@eyesopen.com>
5814 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5815 cast BIT_NOT_EXPR operand to the correct type.
5817 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5819 * tree-loop-linear.c: Don't include varray.h.
5820 (gather_interchange_stats, try_interchange_loops,
5821 linear_transform_loops): Use VEC instead of VARRAY.
5822 * lambda-mat.c: Don't include varray.h.
5823 * tree-chrec.c: Same.
5824 * lambda-trans.c: Same.
5825 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5826 VEC instead of VARRAY.
5827 * tree-vectorizer.h: Idem.
5828 * tree-data-ref.c (dump_data_references,
5829 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5830 initialize_data_dependence_relation, finalize_ddr_dependent,
5831 compute_all_dependences, find_data_references_in_loop,
5832 compute_data_dependences_for_loop, analyze_all_data_dependences,
5833 free_dependence_relation, free_dependence_relations,
5834 free_data_refs): Idem.
5835 * tree-data-ref.h (data_reference_p, subscript_p): New.
5836 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5837 VEC instead of VARRAY.
5838 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5839 (find_data_references_in_loop, compute_data_dependences_for_loop,
5840 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5841 dump_data_dependence_relations, free_dependence_relations,
5842 free_data_refs): Adjust declaration.
5843 (lambda_transform_legal_p): Move declaration here...
5844 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5845 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5846 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5847 vect_analyze_data_refs): Use VEC instead of VARRAY.
5848 * lambda.h (lambda_transform_legal_p): ...from here.
5849 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5850 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5851 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5852 tree-chrec.o): Don't depend on VARRAY_H.
5854 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5856 * rtl.def (Copyright): Update date.
5857 (DEPS_LIST): Change type of the second operand to 'int'.
5858 * target.h (Copyright): Update date.
5859 (struct gcc_target.speculate_insn): Change type of the second parameter
5861 * lists.c (Copyright): Update date.
5862 (alloc_DEPS_LIST): Change signature. Update reference to the second
5863 operand of the DEPS_LIST.
5864 (copy_DEPS_LIST_list): Update reference to the second operand of the
5866 * rtl.h (Copyright): Update date.
5867 (alloc_DEPS_LIST): Update signature.
5868 * sched-int.h (Copyright): Update date.
5869 (ds_t): Change typedef to 'int'.
5870 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5872 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5874 * haifa-sched.c (Copyright): Update date.
5875 (try_ready): Change condition to restore non-speculative pattern
5877 (process_insn_depend_be_in_spec): Code to keep probability of the
5878 speculative dependence non-decreasing.
5880 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5882 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5883 shut up the compiler.
5885 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5887 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5888 to use lib prefix for target.
5889 ($(T)libic_invalidate_array_4-200.a): Likewise.
5890 ($(T)libic_invalidate_array_4a.a): Likewise.
5892 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5893 J"orn Rennecke <joern.rennecke@st.com>
5895 * superh.opt: New file.
5896 * sh.c (boardtype, osruntime): Remove.
5897 * superh.h (SUBTARGET_OPTIONS): Remove.
5898 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5900 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5901 arguments with ^ and/or [].
5903 * config.gcc (sh-*-*): Add quoting to account for quirk of
5905 Replace == with = in enable_incomplete_targets test.
5907 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5908 with MASK_LITTLE_ENDIAN.
5910 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5911 * config/sh/sh.opt: Added to some comments.
5912 * config/sh/superh.h: Removed some chaff.
5914 * config/sh/sh.opt: Add m4-[1234]00* options.
5915 * config/sh/sh.c (sh_handle_option): Likewise.
5916 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5917 (ic_invalidate_array_4-100.o): New rule.
5918 ($(T)libic_invalidate_array_4-100.a): Likewise.
5919 (ic_invalidate_array_4-200.o): Likewise.
5920 ($(T)libic_invalidate_array_4-200.a): Likewise.
5921 (ic_invalidate_array_4a.o): Likewise.
5922 ($(T)libic_invalidate_array_4a.a): Likewise.
5923 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5924 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5926 * config/sh/crt1.asm: Merged in profiling code.
5927 * config/sh/superh.h (STARTFILE_SPEC): Override.
5928 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5929 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5930 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5932 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5933 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5934 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5936 * sh.opt (mpretend-cmove): New option.
5937 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5938 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5939 (movsicc): Add TARGET_PRETEND_CMOVE code.
5941 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5943 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5944 s390_class_max_nregs): New function prototypes.
5945 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5946 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5947 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5948 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5950 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5952 * dwarf2out.c (add_location_or_const_value_attribute): Call
5953 tree_add_const_value_attribute if nothing else works.
5954 (reference_to_unused): New.
5955 (rtl_for_decl_init): Use reference_to_unused to decide whether
5956 to output an initializer.
5958 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5961 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5962 peephole removing spe frob_di_df_2.
5964 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5966 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5967 (subscript_dependence_tester_1): Declared.
5968 (print_dir_vectors, print_dist_vectors): New.
5969 (debug_data_dependence_relation): New.
5970 (dump_data_dependence_relation): Print more details.
5971 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5972 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5973 (save_dist_v, save_dir_v, add_outer_distances,
5974 build_classic_dist_vector_1): New.
5975 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5976 Don't test for lambda_vector_lexico_pos.
5977 (same_access_functions, add_multivariate_self_dist,
5978 add_other_self_distances, dir_from_dist): New.
5979 (build_classic_dir_vector): Replace implementation almost identical to
5980 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5982 (subscript_dependence_tester_1): New.
5983 (subscript_dependence_tester): Handle the lexicographically negative
5984 distance vectors by recomputing the dependence relation.
5985 (compute_affine_dependence): Remove parameter loop_nest_depth.
5986 (compute_self_dependence): Don't call compute_subscript_distance.
5987 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5988 Add a parameter for the loop_nest.
5989 (find_loop_nest_1, find_loop_nest): New.
5990 (compute_data_dependences_for_loop): Compute the loop nest, and give
5991 up if the nest is not well formed.
5992 * tree-data-ref.h (loop_p): New.
5993 (struct data_dependence_relation): Replace size_vect field with
5994 loop_nest, a vec of loops.
5995 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5996 (DDR_LOOP_NEST): New.
5997 (print_dir_vectors, print_dist_vectors,
5998 debug_data_dependence_relation): Declared.
5999 (index_in_loop_nest): New.
6000 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6001 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6004 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6006 * simplify-rtx.c (simplify_relational_operation): Call
6007 simplify_relational_operation_1 even if mode is VOIDmode.
6009 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6011 PR tree-optimization/26804
6012 * tree.h (DECL_CALL_CLOBBERED): New macro.
6013 (tree_decl_common): Add call_clobbered_flag.
6014 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6015 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6016 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6017 (mark_non_addressable): Ditto.
6018 * tree-ssa.c (verify_call_clobbered): New function.
6019 (verify_alias_info): Use it.
6020 * tree-pass.h (pass_reset_cc_flags): New prototype.
6021 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6022 (reset_cc_flags): New function.
6023 * passes.c (init_optimization_passes): Call reset_cc_flags after
6024 initializing referenced_vars.
6026 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6027 Roger Sayle <roger@eyesopen.com>
6030 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6031 to 1.0 for non-real operands. Implement A / A optimization for
6034 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6036 * config/i386/i386.c (size_cost): Correct the comment for
6037 cost of storing fp registers.
6038 (i386_cost): Likewise.
6039 (i486_cost): Likewise.
6040 (pentium_cost): Likewise.
6041 (pentiumpro_cost): Likewise.
6042 (k6_cost): Likewise.
6043 (athlon_cost): Likewise.
6044 (k8_cost): Likewise.
6045 (pentium4_cost): Likewise.
6046 (nocona_cost): Likewise.
6047 (generic64_cost): Likewise.
6048 (generic32_cost): Likewise.
6050 2006-03-24 Denis Chertykov <denisc@overta.ru>
6052 * config/avr/avr-protos.h (extra_constraint): Delete.
6053 (extra_constraint_Q): New declaration.
6054 * config/avr/constraints.md: New file.
6055 * config/avr/avr.md: Include it.
6056 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6057 (TMP_REGNO, ZERO_REGNO): Likewise.
6058 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6059 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6060 (extra_constraint): Delete.
6061 (extra_constraint_Q): Test for memory constraint 'Q'.
6062 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6063 (REG_CLASS_FROM_LETTER): Delete.
6064 (CONST_OK_FOR_LETTER_P): Delete.
6065 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6066 (EXTRA_CONSTRAINT): Delete.
6067 (TMP_REGNO): Delete.
6068 (ZERO_REGNO): Delete.
6070 2006-03-24 Jeff Law <law@redhat.com>
6072 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6073 directly. Call mark_new_vars_to_rename slightly earlier.
6075 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6077 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6079 (gen_compile_unit_die): Use new language types for Objective-C and
6081 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6082 DW_LANG_C_plus_plus.
6085 * config/t-darwin (crt3.o): Work around bug 26840.
6086 * config/darwin-crt3.c: Rewrite.
6087 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6089 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6091 * doc/invoke.texi: Document -femit-class-debug-always
6092 * common.opt: Add -femit-class-debug-always.
6094 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6096 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6097 index and base register.
6098 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6099 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6100 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6101 REGNO_OK_FOR_INDEX_P.
6102 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6104 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6105 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6106 REG_OK_FOR_BASE_P): Definitions removed.
6108 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6111 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6112 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6113 set yet or weren't marked as local yet.
6115 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6117 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6120 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6122 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6123 (rs6000_legitimate_small_data_p): Delete.
6124 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6125 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6126 and make static. Add forward declaration. Update uses.
6127 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6128 of offsettable_memref_p.
6129 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6130 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6132 2006-03-24 Jeff Law <law@redhat.com>
6134 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6135 around bug in immediate-use iterator.
6137 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6140 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6141 or __LITTLE_ENDIAN__.
6143 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6145 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6146 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6147 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6148 * config/sh/sh.opt (mdiv=): Amend description.
6149 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6150 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6151 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6152 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6153 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6154 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6155 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6156 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6157 TARGET_DIVIDE_CALL_FP.
6159 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6161 * haifa-sched.c (choose_ready): Fix type of the local variable.
6162 Move local variables. Add comment.
6163 (check_reg_live): Change signature. Make callable from debugger.
6164 * sched-int.h (check_reg_live): Update signature.
6165 * sched-ebb.c (check_reg_live): Update parameters.
6166 * sched-rgn.c (check_reg_live): Ditto.
6167 (region_head_or_leaf_p): Check pointer before dereferencing.
6168 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6169 before reload on optimization levels below 1.
6171 2006-03-23 Richard Henderson <rth@redhat.com>
6173 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6177 * config/alpha/predicates.md (local_symbolic_operand): Reject
6180 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6183 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6184 expressions which have overflowed constants.
6186 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6188 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6190 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6192 * cfgloopmanip.c (create_loop_notes): Removed.
6193 * final.c (final_scan_insn): Do not handle loop notes.
6194 * jump.c (squeeze_notes): Ditto.
6195 * cfglayout.c (skip_insns_after_block,
6196 duplicate_insn_chain): Ditto.
6197 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6199 * cfgloop.h (create_loop_notes): Declaration removed.
6201 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6203 * varasm.c (output_constant_pool): Restore fnname and fndecl
6205 (assemble_start_function): Adjust call accordingly.
6206 (assemble_end_function): Likewise.
6208 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6211 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6214 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6216 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6219 * system.h (ICE_EXIT_CODE): New macro.
6220 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6221 (diagnostic_action_after_output): Likewise.
6222 * gcc.c (fatal_ice): New function.
6223 (execute): Use it instead of fatal.
6224 (fancy_abort): Likewise.
6225 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6227 2006-03-22 Jeff Law <law@redhat.com>
6229 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6230 iv_analyze_result returning false.
6232 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6234 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6236 2006-03-22 Richard Henderson <rth@redhat.com>
6239 * except.c (duplicate_eh_regions_0): New.
6240 (duplicate_eh_region_1): Duplicate the children of the node as
6241 well as the node itself. Link them up properly.
6242 (duplicate_eh_region_2): Merge into ...
6243 (duplicate_eh_regions): ... here. Take copy_region argument, and
6244 copy only a sub-tree if asked. Simplify copying and fixup.
6245 (eh_region_outer_p): New.
6246 * except.h (duplicate_eh_regions): Update decl.
6247 (eh_region_outer_p): Declare.
6248 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6249 (lower_omp_master): Likewise.
6250 (lower_omp_ordered): Likewise.
6251 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6252 (move_stmt_r): Use it to remap labels. Handle recursion vs
6253 remap_decls_p properly.
6254 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6255 (find_outermost_region_in_block): New.
6256 (new_label_mapper): New.
6257 (move_sese_region_to_fn): Copy eh information to the new function
6259 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6261 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6264 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6266 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6267 into shared libraries.
6269 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6271 * doc/md.texi: Refer to i386/constraints.md instead of
6273 * config/i386/constraints.md: New file, extracted from...
6274 * config/i386/predicates.md: ...here.
6275 * config/i386/i386.md: Include constraints.md.
6277 2006-03-21 Jason Merrill <jason@redhat.com>
6279 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6282 * expr.c (init_block_move_fn): Force default visibility.
6283 (init_block_clear_fn): Likewise.
6284 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6285 * targhooks.c (default_external_stack_protect_fail): Likewise.
6287 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6289 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6290 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6291 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6292 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6293 (loadgp): Use mips_current_loadgp_style.
6294 (loadgp_noshared): New pattern.
6295 (sibcall_internal): Use MIPS_CALL.
6296 (sibcall_value_internal): Likewise.
6297 (sibcall_value_multiple_internal): Likewise.
6298 (call_internal): Likewise.
6299 (call_value_internal): Likewise.
6300 (call_value_multiple_internal): Likewise.
6301 (call_split): Use MIPS_CALL and add an 'S' constraint.
6302 (call_value_split): Likewise.
6303 (call_value_multiple_split): Likewise.
6304 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6305 (-mshared): New option.
6306 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6307 (mips_current_loadgp_style): Declare.
6308 * config/mips/mips.c (mips_classify_symbol): Avoid using
6309 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6310 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6311 TARGET_ABSOLUTE_ABICALLS.
6312 (override_options): Adjust comments. Improve the warning that is
6313 issued when -mabicalls and -G are used together.
6314 (mips_file_start): Remove comment.
6315 (mips_current_loadgp_style): New function.
6316 (mips_gnu_local_gp): New variable.
6317 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6319 (mips_output_function_prologue): Use mips_current_laodgp_style.
6320 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6321 the cprestore instruction.
6322 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6323 live for TARGET_ABSOLUTE_ABICALLS.
6324 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6325 (ASM_SPEC): Pass down -mshared and -mno-shared.
6326 (MIPS_CALL): New macro.
6327 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6329 * doc/invoke.texi (-mabicalls): Update documentation.
6330 (-mshared): Document.
6332 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6334 * config/ia64/unwind-hpux.c: New file.
6335 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6337 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6340 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6342 2006-03-21 Jeff Law <law@redhat.com>
6344 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6345 type conversions of a VR_VARYING source to a wider type.
6347 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6349 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6350 tm_file on Solaris 10 and later.
6351 (sparc64-*-solaris2*): Likewise.
6352 (sparc-*-solaris2*): Likewise.
6353 * config/sol26.h: Rename to config/sol2-6.h.
6354 * config/sol2-10.h: New file.
6356 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6359 * tree-ssa-pre.c (create_component_ref_by_pieces):
6362 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6365 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6366 return it immediately.
6368 2006-03-21 Michael Matz <matz@suse.de>
6370 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6372 (remove_arc, add_arc): Update num_out_arcs member.
6373 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6375 (cache_presence): New function.
6376 (compare_states_for_equiv): New function.
6377 (state_is_differed): Don't take number of outargs, adjust callers.
6378 Use new invariant for speeding up.
6379 (init_equiv_class): Create initial classes based on sorted
6381 (partition_equiv_class): Don't track out_arcs_num.
6382 (evaluate_equiv_classes): Call cache_presence on all states and
6385 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6387 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6388 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6389 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6390 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6392 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6393 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6394 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6395 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6396 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6398 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6399 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6400 (REGNO_REG_CLASS): ARGP is in PREGS.
6401 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6403 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6404 to deal with those addresses.
6405 * addresses.h: New file.
6406 * caller-save.c: Include "addresses.h".
6407 (init_caller_save): Use new base_reg_class function.
6408 * rtl-factoring.c: Include "addresses.h".
6409 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6410 * recog.c: Include "addresses.h".
6411 (preprocess_constraints): Use new base_reg_class function.
6412 * regrename.c: Include "addresses.h".
6413 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6414 functions. Keep track of a new var INDEX_CODE to compute valid
6416 (replace_oldest_value_addr): Likewise.
6417 (replace_oldest_value_mem): Use base_reg_class.
6418 * reload.c: Include "addresses.h".
6419 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6420 (find_reloads): Use new base_reg_class function.
6421 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6422 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6423 all callers and prototype changed.
6424 * reload1.c: Include "addresses.h".
6425 (maybe_fix_stack_asms): Use base_reg_class.
6426 * regclass.c: Include "addresses.h".
6427 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6428 (init_reg_autoinc): Use new base_reg_class function.
6429 (record_reg_classes): Likewise.
6430 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6431 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6432 Use new args to compute necessary class.
6434 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6435 regrename.o, rtl-factoring.o): Update dependencies.
6436 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6437 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6438 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6439 REG_OK_FOR_INDEX_P): Delete documentation.
6441 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6443 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6444 from V7 to V9 for Solaris 7 and above.
6446 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6448 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6449 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6450 argument pointers may not alias any other storage.
6451 * common.opt: Define option -fargument-noalias-anything.
6452 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6453 alias semantics is specified by flag_argument_noalias > 2.
6455 2006-03-20 Jeff Law <law@redhat.com>
6457 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6458 (pass_phi_only_cprop): Declare.
6459 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6461 * tree-ssa-dom.c (degenerate_phi_result): New function.
6462 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6463 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6464 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6465 (eliminate_degenerate_phis): Likewise.
6466 (pass_phi_only_cprop): New pass descriptor.
6467 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6468 support code. Callers updated.
6469 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6470 (store_copy_prop): Likewise.
6471 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6473 2006-03-20 Jason Merrill <jason@redhat.com>
6476 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6477 (push_visibility, pop_visibility): Likewise.
6478 * c-pragma.h: Declare them.
6480 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6482 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6484 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6485 parameter and use get_ebb_head_tail.
6486 (sh_md_init_global): Adjust uses of find_regmode_weight.
6488 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6490 * function.h (struct function) <x_tail_recursion_reentry>:
6491 Rename to x_stack_check_probe_note.
6492 (tail_recursion_reentry): Rename to stack_check_probe_note.
6493 * function.c: Replace tail_recursion_reentry with
6494 stack_check_probe_note everywhere.
6495 (expand_function_start): Only emit a note for
6496 stack_check_probe_note with -fstack-protect.
6497 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6499 * emit-rtl.c (remove_unnecessary_notes): Remove.
6500 (pass_remove_unnecessary_notes): Remove.
6501 * rtl.h (remove_unnecessary_notes): Remove prototype.
6502 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6503 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6504 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6506 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6509 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6510 (valid_in_set): Handle ARRAY_REF.
6511 Change "if min_variant or VH" to asserts.
6512 (create_component_ref_by_pieces): Handle ARRAY_REF.
6513 (create_expression_by_pieces): Likewise.
6514 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6516 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6518 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6519 is operand of switch, not str[0].
6521 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6523 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6524 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6526 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6528 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6529 end of insn_extra_address_constraint declaration.
6531 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6533 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6534 (no-sum-in-toc): Same.
6535 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6537 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6538 NO_FP_IN_TOC for -fPIC instead of mask.
6540 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6541 (BOOT_LDFLAGS): Delete.
6543 * config/rs6000/t-aix52: Same.
6545 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6546 (stmsi[345678]_power): New.
6548 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6550 * config/ia64/ia64.opt: Add empty line to end of file.
6552 2006-03-17 Richard Guenther <rguenther@suse.de>
6555 * builtins.c (get_pointer_alignment): For component style references
6556 adjust alignment to the component type alignment. Make sure
6557 to adjust alignment for component access of constants.
6559 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6561 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6564 2006-03-17 Paul Brook <paul@codesourcery.com>
6566 * doc/install.texi: Docuemnt --with-mode.
6567 * config.gcc: Add --with-mode for arm*-*-*.
6568 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6570 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6572 * sh.c (max_labelno_before_reorg): New variable.
6573 (sh_reorg): Initialize it.
6574 (find_barrier): Check max_labelno_before_reorg before using
6575 label_to_alignment. Take length of explicit alignment insns
6576 into account. When seeing a UNSPECV_CONST_END, return it.
6578 * sh.c (fixup_mova): Set mode of affected label to QImode.
6579 (untangle_mova): New function.
6580 (find_barrier): Use it. Check mode of label before decrementing
6582 (sh_reorg): Likewise.
6583 Set mode of all insns back to VOIDmode.
6585 * sh.c (MOVA_LABELREF): New macro.
6586 (mova_p, fixup_mova, sh_reorg): Use it.
6587 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6588 ADDR_DIFF_VEC matches mova.
6590 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6592 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6593 with ATTRIBUTE_UNUSED.
6595 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6597 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6598 pointer, instead of assuming it is possible to derive the
6599 correct args size from a call insn.
6601 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6603 * rtl.h (CONST_INT_P): Define.
6604 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6605 instead of GET_CODE(x) == CONST_INT.
6606 (vax_rtx_costs): Likewise.
6607 (vax_output_int_move): Likewise.
6608 (vax_output_int_add): Likewise.
6609 (legitimate_constant_address_p): Likewise.
6610 (index_term_p): Likewise.
6611 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6612 * config/vax/vax.md (and<mode>3): Likewise.
6613 (ashrsi3): Likewise.
6615 (movstricthi): Likewise.
6616 (movstrictqi): Likewise.
6617 (rotrsi3): Likewise.
6618 (five unnamed insns): Likewise.
6620 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6622 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6623 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6624 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6625 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6626 Pass to ASM_OUTPUT_DWARF_OFFSET.
6627 * dwarf2out.c (debug_frame_section): New.
6628 (output_call_frame_info): Use debug_frame_section. Pass it to
6629 dw2_asm_output_offset.
6630 (output_die): Pass appropriate section to dw2_asm_output_offset.
6631 (output_compilation_unit_header): Likewise.
6632 (output_pubnames): Likewise.
6633 (output_aranges): Likewise.
6634 (enum dw_val_class): Break dw_val_class_lbl_offset into
6635 dw_val_class_lineptr and dw_val_class_macptr.
6636 (add_AT_lbl_offset): Delete.
6637 (add_AT_lineptr): New.
6638 (add_AT_macptr): New.
6639 (AT_lbl): Expect a lineptr or macptr.
6640 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6641 (attr_checksum): Likewise.
6642 (same_dw_val_p): Likewise.
6643 (size_of_die): Likewise.
6644 (value_format): Likewise.
6645 (output_die): Likewise.
6646 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6648 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6649 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6650 * config/darwin-protos.h (darwin_file_start): New.
6651 (darwin_asm_output_dwarf_offset): New.
6652 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6653 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6655 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6656 if not EH section; simplify.
6657 (darwin_file_start): New.
6658 (darwin_asm_output_dwarf_offset): New.
6659 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6661 (DEBUG_INFO_SECTION): Likewise.
6662 (DEBUG_ABBREV_SECTION): Likewise.
6663 (DEBUG_ARANGES_SECTION): Likewise.
6664 (DEBUG_MACINFO_SECTION): Likewise.
6665 (DEBUG_LINE_SECTION): Likewise.
6666 (DEBUG_LOC_SECTION): Likewise.
6667 (DEBUG_PUBNAMES_SECTION): Likewise.
6668 (DEBUG_STR_SECTION): Likewise.
6669 (DEBUG_RANGES_SECTION): Likewise.
6670 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6671 (ASM_OUTPUT_DWARF_OFFSET): New.
6673 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6675 * config.gcc (tm_defines): Always add to previous value rather
6678 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6680 * config/mips/predicates.md (splittable_const_int_operand): New,
6681 split from move_operand.
6682 (splittable_symbolic_operand): New.
6683 (move_operand): Add commentary. Use splittable_const_int_operand.
6684 Inline mips_atomic_symbolic_constant_p.
6685 * config/mips/mips.md: Add combine splitters for handling moves
6686 of splittable_const_int_operands and splittable_symbolic_operands.
6687 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6688 (mips_split_symbol): Declare.
6689 (mips_move_integer): Declare.
6690 * config/mips/mips.c (mips_split_p): Make global.
6691 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6692 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6693 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6694 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6695 (mips_offset_within_object_p): Handle block symbols.
6696 (mips_atomic_symbolic_constant_p): Delete.
6697 (mips_cannot_force_const_mem): Return false for constants that
6698 mips_legitimize_move can handle.
6699 (mips_use_blocks_for_constant_p): New function.
6700 (mips_split_symbol): Make global.
6701 (mips_move_integer): Likewise. Add a temporary register argument.
6702 (mips_legitimize_const_move): Use splittable_const_int_operand and
6703 splittable_symbolic_operand.
6704 (mips_use_anchors_for_symbol_p): New function.
6705 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6706 (mips_split_p): Declare.
6708 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6710 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6711 (mips*-*-linux*): Likewise.
6713 2006-03-16 Roger Sayle <roger@eyesopen.com>
6714 Daniel Speyer <dspeyer@wam.umd.edu>
6717 * tree-dump.c (dump_real): New function.
6718 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6719 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6720 (tree-dump.o): Add $(REAL_H) to the dependencies.
6722 2006-03-16 Roger Sayle <roger@eyesopen.com>
6725 * real.c (real_from_string): If the mantissa is zero, don't bother
6726 parsing the exponent as the result should always be zero.
6728 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6730 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6732 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6734 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6735 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6736 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6737 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6738 ia64_sched_finish_global): New static functions to implement
6739 hooks from gcc_target.sched.
6740 (spec_check_no, max_uid, pending_data_specs): New static variables.
6741 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6742 ia64_spec_check_src_p): New static functions.
6743 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6744 (TARGET_SCHED_ADJUST_COST): Removed.
6745 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6746 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6747 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6748 TARGET_SCHED_GEN_CHECK,
6749 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6750 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6751 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6752 Fixed to handle speculation checks.
6753 (rtx_needs_barrier): Fixed to handle speculative loads and
6755 (ia64_variable_issue): Added code to count speculative loads and their
6757 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6759 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6761 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6763 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6764 (ia64_reorg): Reset stops_p to NULL after it is freed.
6765 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6766 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6767 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6769 (data_speculative, control_speculative, check_load): New attributes.
6770 (mov<mode>_advanced, mov<mode>_speculative,
6771 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6772 zero_extend<mode>di2_speculative,
6773 zero_extend<mode>di2_speculative_advanced): New patterns for
6774 data and control speculative loads.
6775 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6777 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6778 New pattern for data and control speculation checks.
6779 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6780 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6781 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6782 Auxiliary definitions for the patterns.
6783 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6784 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6786 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6788 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6789 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6790 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6791 New resource constraints.
6792 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6794 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6795 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6796 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6797 msched-in-control-spec, msched-ldc, msched-control-ldc,
6798 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6799 msched-prefer-non-control-spec-insns,
6800 msched-count-spec-in-critical-path): New flags to tune speculative
6802 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6803 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6804 msched-in-control-spec, msched-ldc, msched-control-ldc,
6805 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6806 msched-prefer-non-control-spec-insns,
6807 msched-count-spec-in-critical-path): Document new flags.
6809 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6811 * target.h (struct spec_info_def): New opaque declaration.
6812 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6813 speculate_insn, needs_block_p, gen_check,
6814 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6815 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6816 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6817 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6818 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6819 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6821 (TARGET_SCHED): Use new macros.
6822 * rtl.h (copy_DEPS_LIST_list): New prototype.
6823 * sched-int.h (struct sched_info): Change signature of new_ready field,
6824 adjust all initializations. New fields: add_remove_insn,
6825 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6826 region_head_or_leaf_p.
6827 (struct spec_info_def): New structure declaration.
6828 (spec_info_t): New typedef.
6829 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6830 recovery_block, orig_pat.
6831 (glat_start, glat_end): New variables declaraions.
6832 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6834 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6835 DETACH_LIFE_INFO, USE_GLAT.
6836 (enum SPEC_SCHED_FLAGS): New enumeration.
6837 (NOTE_NOTE_BB_P): New macro.
6838 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6839 attach_life_info, debug_spec_status, check_reg_live): New functions.
6840 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6841 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6843 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6844 * ddg.c (get_block_head_tail): Adjust all uses.
6845 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6846 (sms_sched_info): Initialize new fields.
6847 (contributes_to_priority): Removed.
6848 * haifa-sched.c (params.h): New include.
6849 (get_block_head_tail): Adjust all uses.
6850 (ISSUE_POINTS): New macro.
6851 (glat_start, glat_end): New global variables.
6852 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6853 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6854 old_last_basic_block, before_recovery, current_sched_info_var,
6855 rgn_n_insns, luid): New static variables.
6856 (insn_cost1): New function. Move logic from insn_cost to here.
6857 (find_insn_reg_weight1): New function. Move logic from
6858 find_insn_reg_weight to here.
6859 (reemit_notes, move_insn, max_issue): Change signature.
6860 (move_insn1): Removed.
6861 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6862 extend_bb): New static functions to support extension of scheduler's
6864 (generate_recovery_code, process_insn_depend_be_in_spec,
6865 begin_speculative_block, add_to_speculative_block,
6866 init_before_recovery, create_recovery_block, create_check_block_twin,
6867 fix_recovery_deps): New static functions to support
6868 generation of recovery code.
6869 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6870 restore_bb_notes, move_block_after_check, move_succs): New static
6871 functions to support ebb scheduling.
6872 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6873 functions to support handling of register live information.
6874 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6875 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6876 add_jump_dependencies): New static functions.
6877 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6878 consistancy checking.
6879 (debug_spec_status): New function to call from debugger.
6880 (priority): Added code to handle speculation checks.
6881 (rank_for_schedule): Added code to distinguish speculative instructions.
6882 (schedule_insn): Added code to handle speculation checks.
6883 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6884 Fixed to handle ebbs.
6885 (move_insn): Added code to handle ebb scheduling.
6886 (max_issue): Added code to use ISSUE_POINTS of instructions.
6887 (choose_ready): Added code to choose between speculative and
6888 non-speculative instructions.
6889 (schedule_block): Added code to handle ebb scheduling and scheduling of
6890 speculative instructions.
6891 (sched_init): Initialize new variables.
6892 (sched_finish): Free new variables. Print statistics.
6893 (try_ready): Added code to handle speculative instructions.
6894 * lists.c (copy_DEPS_LIST_list): New function.
6895 * sched-deps.c (extend_dependency_caches): New function. Move logic
6896 from create_dependency_caches to here.
6897 (get_dep_weak, ds_merge): Make global.
6898 * genattr.c (main): Code to output prototype for
6899 dfa_clear_single_insn_cache.
6900 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6901 (output_dfa_clean_insn_cache_func): Code to output
6902 dfa_clear_single_insn_cache function.
6903 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6905 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6907 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6908 New static variables.
6909 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6910 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6912 (ebb_sched_info): Initialize new fields.
6913 (get_block_head_tail): Adjust all uses.
6914 (compute_jump_reg_dependencies): Fixed to use glat_start.
6915 (schedule_ebb): Code to remove unreachable last block.
6916 (schedule_ebbs): Added code to update register live information.
6917 * sched-rgn.c (region_sched_info): Initialize new fields.
6918 (get_block_head_tail): Adjust all uses.
6919 (last_was_jump): Removed. Adjust users.
6920 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6921 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6922 Implement new hooks.
6923 (check_dead_notes1): New static function.
6924 (struct region): New fields: dont_calc_deps, has_real_ebb.
6925 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6926 (BB_TO_BLOCK): Fixed to handle EBBs.
6927 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6928 (ebb_head): New static variable.
6929 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6930 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6932 (compute_dom_prob_ps): New assertion.
6933 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6934 global_live_at_start.
6935 (init_ready_list): New assertions.
6936 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6937 (new_ready): Add support for BEGIN_CONTROL speculation.
6938 (schedule_insns): Fixed code that updates register live information
6940 (schedule_region): Fixed to handle EBBs.
6941 (init_regions): Use extend_regions and check_dead_notes1.
6942 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6943 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6944 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6945 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6946 TARGET_SCHED_GEN_CHECK,
6947 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6948 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6949 * doc/invoke.texi (max-sched-insn-conflict-delay,
6950 sched-spec-prob-cutoff): Document.
6952 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6954 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6955 inter_tick, queue_index.
6956 (struct sched_info): Change signature of init_ready_list field.
6957 Adjust all initializations.
6958 (RESOLVED_DEPS): New access macro.
6959 (ready_add): Remove prototype.
6960 (try_ready): Add prototype.
6961 * sched-rgn.c (init_ready_list): Use try_ready.
6962 (schedule_region): Initialize
6963 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6964 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6965 (init_ready_list): Use try_ready.
6966 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6967 * lists.c (remove_list_elem): Remove `static'.
6968 (remove_free_INSN_LIST_elem): New function.
6969 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6970 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6971 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6973 (readyp): New variable.
6974 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6975 change_queue_index, resolve_dep): New static functions.
6976 (try_ready): New function. Adjust callers in sched-rgn.c and
6977 sched-ebb.c to use it instead of ready_add.
6978 (clock_var): Move at the begining of file.
6979 (rank_for_schedule): Fix typo.
6980 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6981 (ready_lastpos): Enforce assertion.
6982 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6984 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6985 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6986 (queue_to_ready): Use free_INSN_LIST_list.
6987 (early_queue_to_ready): Fix typo.
6988 (schedule_block): Init readyp. Move init_ready_list call after the
6989 initialization of clock_var. Fix error in rejecting insn by
6990 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6991 that previously corrected INSN_TICKs. Add code for handling
6993 (set_priorities): Fix typo.
6994 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6995 Clarify comment and code that keeps current_sched_info->next_tail
6998 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7000 * sched-rgn.c (extend_rgns): New static function.
7001 (find_rgns): Use it.
7002 (gather_region_statistics, print_region_statistics): New static
7004 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7005 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7007 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7008 Andrey Belevantsev <abel@ispras.ru>
7010 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7011 * lists.c (unused_deps_list): New variable.
7012 (free_list): Add assertions to verify the proper distinguishing
7013 between INSN_LISTs and DEPS_LISTs.
7014 (find_list_elem, remove_list_elem, remove_list_node): New static
7016 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7017 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7018 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7019 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7021 (free_INSN_LIST_node): Likewise.
7022 * modulo-sched.c (current_sched_info): Initialize flags field.
7023 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7024 * rtl.def (DEPS_LIST): Define.
7025 * rtl.h: Declare new functions from lists.c.
7026 * sched-deps.c (spec_dependency_cache): New static variable.
7027 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7028 (add_dependence): Change return type to void. Move the logic to ...
7029 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7030 (delete_all_dependences): Add comment about forward_dependency_cache.
7031 Handle spec_dependency_cache. Handle DEPS_LISTs.
7032 (fixup_sched_groups): Clarify the change of priority of output
7033 and anti dependencies.
7034 (sched_analyze_2): Adjust add_dependence calls to create data
7035 speculative dependence.
7036 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7037 Adjust all callers. Handle DEPS_LISTS.
7038 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7039 presence of speculation.
7040 (init_dependency_caches, free_dependency_caches):
7041 Handle spec_dependency_cache.
7042 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7043 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7044 New static functions.
7045 (add_or_update_back_dep, add_or_update_back_forw_dep,
7046 add_back_forw_dep, delete_back_forw_dep): New functions.
7047 * sched-int.h (ds_t, dw_t): New typedefs.
7048 (struct sched_info): Add new field flags.
7049 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7050 Prototype new sched-deps.c functions.
7051 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7052 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7053 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7054 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7055 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7056 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7058 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7060 * sched-rgn.c (current_sched_info): Initialize flags field.
7061 (schedule_insns): Initialize current_sched_info before the sched_init
7063 * sched-ebb.c (current_sched_info): Initialize flags field.
7064 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7065 Call add_or_update_back_dep instead of add_dependence.
7066 Create control speculative dependencies.
7067 (schedule_insns): Initialize current_sched_info before the sched_init
7070 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7072 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7074 (sh_fallback_frame_state): Likewise.
7076 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7078 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7079 Do switch on default_use_cxa_atexit.
7080 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7081 * config/darwin-crt3.o: New.
7082 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7083 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7084 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7086 * config/rs6000/t-darwin: Move crt2.o building to here.
7087 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7088 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7091 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7093 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7094 from '! xxx' to '!xxx' for coding-style conformance.
7095 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7096 (EXTRA_CONSTRAINT): Likewise.
7097 * config/vax/vax.md (four unnamed insns): Likewise.
7099 2006-03-15 Paul Brook <paul@codesourcery.com>
7101 * config/arm/arm.c (minipool_pad): New.
7102 (add_minipool_forward_ref): Include pool alignment padding in address
7104 (push_minipool_fix): Set minipool_pad.
7105 (minipool_pad): Ditto.
7107 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7109 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7110 instead of GET_CODE() == MEM and REG_P() instead of
7112 (print_operand_address): Likewise.
7113 (vax_address_cost): Likewise.
7114 (vax_rtx_costs): Likewise.
7115 (vax_notice_update_cc): Likewise.
7116 (vax_output_int_add): Likewise.
7117 (INDEX_REGISTER_P): Likewise.
7118 (BASE_REGISTER_P): Likewise.
7119 (nonindexed_address_p): Likewise.
7120 (vax_mode_dependent_address_p): Likewise.
7121 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7122 (PRINT_OPERAND): Likewise.
7123 * config/vax/vax.md (ashlsi3): Likewise.
7124 (ashlsi3): Likewise.
7125 (some more unnamed insns): Likewise.
7127 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7129 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7130 iterator-style macro.
7131 (mark_control_dependent_edges_necessary): Update the use of
7132 EXECUTE_IF_CONTROL_DEPENDENT.
7134 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7136 * config/sh/predicates.md (cache_address_operand): Special.
7137 (ua_address_operand): Likewise.
7139 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7141 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7143 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7145 2006-03-15 Andreas Schwab <schwab@suse.de>
7147 * gensupport.c (identify_predicable_attribute): Don't free p_false
7148 when it is still in use.
7150 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7152 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7153 the default setting here.
7155 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7157 * tree-pass.h (pass_cfg): Remove.
7158 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7159 * passes.c (pass_cfg): Don't run it.
7161 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7163 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7164 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7166 (stack_regs_mentioned): Update the uses of
7167 stack_regs_mentioned_data. Don't access the array beyond its
7169 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7170 Don't include gt-reg-stack.h.
7172 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7173 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7175 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7178 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7181 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7183 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7185 2006-03-14 Richard Guenther <rguenther@suse.de>
7187 PR tree-optimization/26672
7188 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7191 2006-03-14 Richard Guenther <rguenther@suse.de>
7193 PR tree-optimization/26667
7194 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7195 node for the callees. Always allow inlining if it will shrink
7198 2006-03-14 Richard Guenther <rguenther@suse.de>
7201 * builtins.c (get_pointer_alignment): Prefer alignment
7202 information from decls over that from types.
7204 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7207 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7209 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7211 * config/rs6000/rs6000.opt (mdlmzb): New option.
7212 (msched-prolog, msched-epilog): Use Var not Mask.
7213 * doc/invoke.texi (-mdlmzb): Document.
7214 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7216 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7217 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7219 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7221 PR rtl-optimization/25739
7222 * bt-load.c (augment_live_range): Free tos pointer.
7224 * gensupport.c (identify_predicable_attribute): Free
7226 * gcov.c (create_file_names): Free name pointer.
7228 2006-03-13 Roger Sayle <roger@eyesopen.com>
7231 * stmt.c (emit_case_nodes): Handle the case where the index is a
7232 CONST_INT, where the comparison mode is specified by the index type.
7234 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7236 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7239 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7241 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7242 (*branch_fp_inverted): Likewise.
7244 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7247 * omp-low.c (expand_omp_for_generic): Mark istart0
7248 and iend0 as addressable.
7250 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7252 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7254 2006-03-13 Jeff Law <law@redhat.com>
7256 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7257 virtual operands are interesting.
7258 (vrp_visit_stmt): Corresponding changes.
7260 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7262 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7264 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7265 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7266 * config/bfin/crti.S: Use it instead of __PIC__.
7267 * config/bfin/crtn.S: Likewise.
7269 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7270 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7272 Lose 'G' modifier for call operand.
7273 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7274 recognize 'G' modifier.
7276 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7279 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7280 * stmt.c (expand_case): Likewise.
7282 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7284 PR rtl-optimization/26254
7285 * loop-invariant.c (seq_insns_valid_p): New function.
7286 (move_invariant_reg): Only emit new code if it is valid.
7288 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7290 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7292 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7293 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7294 (commit_one_edge_insertion): Do not look for loop notes.
7296 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7298 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7299 flag_test_coverage out of loop.
7301 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7303 * final.c (shorten_branches): Remove outdated comment, and turn
7304 the if branch that guards it to continue.
7306 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7308 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7309 * cfgloop.h (struct loop): Remove unused fields.
7311 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7313 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7314 (-dL, -fdump-rtl-loop2): Update the dump file names
7316 * doc/invoke.texi: Update dump file names.
7318 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7320 * predict.c (estimate_probability): Remove.
7321 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7322 * basic-block.h (estimate_probability): Remove prototype.
7323 * passes.c (finish_optimization_passes): Dump branch prediction or
7324 profiling heuristics to the .profile tree dump.
7325 (init_optimization_passes): Unqueue pass_branch_prob.
7327 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7329 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7331 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7332 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7334 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7336 * function.h (frame_offset_overflow): Declare.
7337 * function.c (frame_offset_overflow): New function.
7338 (assign_stack_local_1): Call it to detect that the offset overflows.
7339 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7341 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7343 * config/sh/sh.c: Include alloc-pool.h.
7344 (label_ref_list_pool): New alloc pool.
7345 (label_ref_list_t): New type for lists of labels.
7346 (struct pool_node): Make wend a label_ref_list_t.
7347 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7349 (dump_table): Likewise.
7350 (sh_reorg): Set up the alloc pool before using add_constant and
7351 dump_table, and destroy it when finishing.
7353 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7355 * config/mips/mips.c: Remove redundant comment.
7357 2006-03-10 Jason Merrill <jason@redhat.com>
7360 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7361 the target was declared 'register'.
7363 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7365 * genpreds.c (write_insn_constraint_len): Change definition of
7366 insn_constraint_len to return size_t to match the declaration.
7368 2006-03-10 DJ Delorie <dj@redhat.com>
7370 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7372 (m32c_expand_insv): Fix test for an AND mask.
7374 2006-03-10 Richard Guenther <rguenther@suse.de>
7377 * builtins.c (get_pointer_alignment): Handle component
7378 references for field alignment.
7380 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7382 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7383 when building with libgloss.
7384 (sh*elf): Implement --without-fp option.
7385 (sh64-superh-linux*): Don't multilib.
7387 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7389 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7391 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7393 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7394 Set it when one of the replacement functions returned true.
7395 Return TODO_cleanup_cfg if cfgchanged is true.
7396 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7398 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7400 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7401 instead of gen_lowpart.
7403 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7405 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7407 (mips_output_order_conditional_branch): Declare.
7408 * config/mips/mips.h (MIPS_BRANCH): New macro.
7409 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7410 for the comparison. Use gen_condjump.
7411 (mips_output_conditional_branch): Rework interface to take the
7412 asm templates for a direct branch and the inverse of a direct branch.
7413 (mips_output_order_conditional_branch): New function.
7414 (mips_builtin_branch_and_move): New function.
7415 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7416 branch condition. Use gen_single_cc as the condition for
7417 __builtin_mips_upper_* or __builtin_mips_lower_*.
7418 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7419 Use VOIDmode for the branch condition.
7420 * config/mips/predicates.md (order_operator): New predicate.
7421 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7422 (branch_fp): Rename to...
7423 (*branch_fp): ...this. Remove mode from comparison operator.
7424 Use new mips_output_conditional_branch interface.
7425 (branch_fp_inverted): Rename to...
7426 (*branch_fp_inverted): ...this and update as for *branch_fp.
7427 (*branch_zero<mode>): Rename to...
7428 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7429 Use mips_output_order_conditional_branch. Only accept ordered
7431 (*branch_zero<mode>_inverted): Rename to...
7432 (*branch_order<mode>_inverted): ...this and update as for
7433 *branch_order<mode>.
7434 (*branch_equality<mode>): Accept zero as the second operand to
7435 the equality operator. Use the new mips_output_conditional_branch
7437 (*branch_equality<mode>_inverted): Likewise.
7438 (condjump): New expander.
7439 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7441 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7442 (bc1any2t, bc1any2f): Likewise.
7443 (single_cc): New expander.
7444 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7446 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7448 * doc/md.texi: Update documentation of MIPS constraints.
7449 * config/mips/constraints.md: New file.
7450 * config/mips/mips.md: Include it.
7451 * config/mips/mips.c (mips_char_to_class): Delete.
7452 (override_options): Don't initialize mips_char_to_class.
7453 * config/mips/mips.h (mips_char_to_class): Delete.
7454 (REG_CLASS_FROM_LETTER): Delete.
7455 (CONST_OK_FOR_LETTER_P): Delete.
7456 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7457 (EXTRA_CONSTRAINT_Y): Delete.
7458 (EXTRA_CONSTRAINT_STR): Delete.
7459 (CONSTRAINT_LEN): Delete.
7460 (EXTRA_MEMORY_CONSTRAINT): Delete.
7462 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7464 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7465 original fn's eh regions.
7467 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7469 * fold-const.c (build_range_check): Make sure to use a valid type to
7470 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7473 (range_predecessor): New static function.
7474 (range_successor): Likewise.
7475 (merge_ranges): Use them to compute predecessors and successors of
7478 2006-03-09 Roger Sayle <roger@eyesopen.com>
7481 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7482 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7484 2006-03-08 DJ Delorie <dj@redhat.com>
7486 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7487 (addpsi3): Expand to include memory operands. Remove
7488 reload-specific splits.
7489 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7490 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7491 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7492 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7493 (shift1_qi, shift1_hi, insv): New.
7494 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7495 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7496 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7498 * config/m32c/m32c-protos.h: Update as needed.
7499 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7500 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7501 Fail for unrecognized R* constraints.
7502 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7503 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7504 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7506 (m32c_init_libfuncs): New.
7507 (m32c_legitimate_address_p): Add debug wrapper.
7508 (m32c_rtx_costs): New.
7509 (m32c_address_cost): New.
7510 (conversions): Add 'B' prefix.
7511 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7512 operands, or word regnames for QI operands. 'B' prints bit
7514 (m32c_expand_setmemhi): New.
7515 (m32c_expand_movmemhi): New.
7516 (m32c_expand_movstr): New.
7517 (m32c_expand_cmpstr): New.
7518 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7519 (m32c_expand_neg_mulpsi3): Handle non-ints.
7520 (m32c_cmp_flg_0): New.
7521 (m32c_expand_movcc): New.
7522 (m32c_expand_insv): New.
7523 (m32c_scc_pattern): New.
7524 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7525 a0/a1 out of SIregs.
7526 (STORE_FLAG_VALUE): New.
7527 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7530 * config/m32c/mov.md: Make constraints more liberal.
7531 (zero_extendqihi2): Optimize r0/r1 case.
7532 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7533 * config/m32c/predicates.md (m32c_any_operand): New.
7534 (m32c_nonimmediate_operand): New.
7535 (m32c_hl_operand): New.
7536 (m32c_r3_operand): New.
7539 (memsym_operand): New.
7540 (memimmed_operand): New.
7541 (a_qi_operand): New.
7542 (m32c_eqne_operator): New.
7543 (m32c_1bit8_operand): New.
7544 (m32c_1bit16_operand): New.
7545 (m32c_1mask8_operand): New.
7546 (m32c_1mask16_operand): New.
7547 * config/m32c/blkmov.md: New file.
7548 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7550 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7552 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7553 unsigned to fix signed/unsigned comparison issue in
7554 DWARF2_FRAME_REG_OUT.
7555 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7556 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7558 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7559 of ptr into the ENABLE_CHECKING section.
7561 2006-03-08 Jeff Law <law@redhat.com>
7563 * tree-vrp.c (infer_value_range): Only count pointer uses
7564 and dereferences if -fdelete-null-pointer-checks is enabled.
7566 * tree-vrp.c (find_assert_locations): Infer value ranges for
7567 single use pointers, but do not create ASSERT_EXPRs for them.
7568 When a non-null range is inferred for a pointer, backwards
7569 propagate that range to other equivalent pointers through the
7572 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7575 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7576 language hook targets.
7577 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7578 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7579 if language hook targets were missing.
7581 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7583 * tree-ssa-opfinalize.h: Removed.
7584 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7586 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7587 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7588 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7589 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7590 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7591 finalize_ssa_v_must_def_ops): New.
7593 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7595 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7598 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7600 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7602 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7603 addresses with offsets; reorganize.
7605 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7606 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7607 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7609 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7612 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7614 2006-03-08 Ben Elliston <bje@au.ibm.com>
7616 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7618 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7621 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7624 2006-03-07 Richard Guenther <rguenther@suse.de>
7626 PR tree-optimization/26587
7627 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7629 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7631 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7633 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7635 * hooks.c (hook_bool_mode_rtx_true): New function.
7636 * hooks.h (hook_bool_mode_rtx_true): Declare.
7637 * toplev.c (compile_file): Call output_shared_constant_pool.
7638 * varasm.c (shared_constant_pool): New variable.
7639 (assemble_start_function, assemble_end_function): Remove arguments
7640 from call to output_constant_pool.
7641 (create_constant_pool): New function, split out from...
7642 (init_varasm_status): ...here.
7643 (force_const_mem): Choose between the shared and per-function constant
7644 pools. Set current_function_uses_const_pool when reusing old entries
7645 as well as when creating new ones.
7646 (mark_constant): Ignore data argument.
7647 (mark_constants): Remove pool argument.
7648 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7649 to decide whether the function uses a constant pool.
7650 (output_constant_pool_contents): New function, split out from...
7651 (output_constant_pool): ...here.
7652 (output_shared_constant_pool): New function.
7653 (init_varasm_once): Initialize shared_constant_pool.
7654 * output.h (output_constant_pool): Delete.
7655 (output_shared_constant_pool): Declare.
7656 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7657 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7659 2006-03-06 Nick Clifton <nickc@redhat.com>
7661 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7662 flag_strength_reduce.
7664 2006-03-06 Ben Elliston <bje@au.ibm.com>
7666 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7667 x86_64-*-linux* configurations.
7669 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7670 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7672 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7674 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7676 * basic-block.h: Remove the extern for
7677 rediscover_loops_after_threading.
7679 * cfgloop.c (cancel_loop): Make it static.
7680 * cfgloop.h: Remove the prototype for cancel_loop.
7682 * flow.c (recompute_reg_usage): Make it static.
7683 * rtl.h: Remove the prototype for recompute_reg_usage.
7685 * function.c (use_return_register): Make it static.
7686 * function.h: Remove the prototype.
7688 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7690 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7692 * recog.h: Remove the prototype for
7693 validate_change_maybe_volatile.
7695 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7697 * rtlanal.c (replace_reg): Remove.
7698 * rtl.h: Remove the prototype for replace_reg.
7700 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7702 * regclass.c (reg_scan_update): Remove.
7703 (reg_scan_mark_refs): Remove the last argument.
7704 * rtl.h: Remove the prototype for reg_scan_update.
7706 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7708 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7709 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7710 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7711 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7712 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7713 loop-invariant.c, omp-low.c, opts.c, passes.c,
7714 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7715 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7716 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7717 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7718 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7719 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7721 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7723 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7724 * dwarf2out.h: Remove the prototype for
7725 dwarf2out_add_library_unit_info.
7727 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7729 * tree.c (add_var_to_bind_expr): Remove.
7730 * tree.h: Remove the prototype for add_var_to_bind_expr.
7732 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7734 * regclass.c (n_non_fixed_regs): Remove.
7735 (init_reg_sets_1, globalize_reg): Remove all uses of
7737 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7739 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7741 * rtlanal.c (insns_safe_to_move_p): Remove.
7742 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7744 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7746 * expmed.c (expand_mult_add): Remove.
7747 * expr.h: Remove the prototype for expand_mult_add.
7749 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7751 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7752 and REG_SAVED_VAL_EXP constants.
7753 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7754 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7755 Handle regs stored by value.
7756 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7757 (execute_cfa_program): Handle DW_CFA_val_offset,
7758 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7759 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7760 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7761 (uw_install_context_1): Handle target regs stored by value.
7763 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7765 * tree-sra.c (tree_sra): Return todoflags;
7766 (generate_one_element): Set TODO_update_smt_usage if needed.
7767 (pass_sra): Remove TODO_update_smt_usage.
7768 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7770 (tree_ssa_forward_propagate_single_use_vars): Return
7771 TODO_update_smt_usage if we need to update SMT usage.
7772 (pass_forwprop): Remove TODO_update_smt_usage.
7774 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7776 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7777 (correct_use_link): Remove reference to get_stmt_operands.
7778 (update_stmt_operands): Likewise.
7779 (get_modify_expr_operands): New function factored out of
7780 parse_ssa_operands and get_expr_operands.
7781 Try to create V_MUST_DEFs for LHS by default.
7782 (get_expr_operands) <case MODIFY_EXPR>: Call
7783 get_modify_expr_operands.
7784 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7785 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7786 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7787 get_modify_expr_operands.
7789 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7791 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7792 * tree-flow.h: Remove the prototype for
7793 referenced_var_lookup_if_exists.
7795 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7797 PR rtl-optimization/26345
7799 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7801 2006-03-03 Roger Sayle <roger@eyesopen.com>
7803 PR tree-optimization/26524
7804 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7805 fold_convert to create a constant of the appropriate type.
7807 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7809 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7810 SYMBOL_REF_IN_BLOCK_P.
7811 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7812 of SYMBOL_FLAG_IN_BLOCK.
7813 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7814 instead of SYMBOL_REF_IN_BLOCK_P.
7815 * explow.c (use_anchored_address): Likewise.
7816 * rtl.c (rtx_size): Likewise.
7817 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7818 instead of SYMBOL_FLAG_IN_BLOCK.
7819 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7820 SYMBOL_REF_IN_BLOCK_P.
7821 (assemble_variable): Likewise.
7822 (output_constant_def_contents): Likewise.
7823 (output_constant_pool): Likewise.
7824 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7825 instead of SYMBOL_FLAG_IN_BLOCK.
7826 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7827 SYMBOL_REF_IN_BLOCK_P.
7828 (SYMBOL_REF_BLOCK): Likewise.
7829 (SYMBOL_REF_OFFSET): Likewise.
7830 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7831 SYMBOL_REF_IN_BLOCK_P.
7832 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7833 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7834 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7835 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7837 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7839 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7841 2006-03-02 Roger Sayle <roger@eyesopen.com>
7843 * simplify-rtx.c (simplify_unary_operation): When simplifying
7844 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7845 that we perform the right shift in the appropriate mode, and
7846 then extend or truncate the result to requested mode.
7848 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7850 * gengtype.c (main): Handle double_int type.
7851 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7852 * double-int.c: New file.
7853 * double-int.h: New file.
7854 * system.h: Include doubleint.h.
7855 * Makefile.in (SYSTEM_H): Include double-int.h.
7856 (double-int.o): Add.
7858 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7861 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7864 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7866 * tree-vrp.c (remove_range_assertions): Do not update statements
7869 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7871 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7873 * gcse.c (rest_of_handle_gcse): Ditto.
7874 * except.c (gate_handle_eh): Ditto.
7875 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7876 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7878 2006-03-02 Eric Christopher <echristo@apple.com>
7880 * config/i386/i386.c (machopic_output_stub): Add indirection to
7883 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7887 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7889 Sun Niagara specific optimizations.
7890 * config.gcc: Recognize niagara as target.
7891 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7892 (TARGET_CPU_niagara): Define.
7893 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7894 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7895 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7896 (ASM_CPU_SPEC): Likewise.
7897 (PROCESSOR_NIAGARA): New enum entry.
7898 (REGISTER_MOVE_COST): Handle Niagara.
7899 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7900 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7901 (sparc_override_options): Recognize "niagara", set appropriate
7902 default MASK_* values for it, and align functions to 32-bytes
7903 by default just like ULTRASPARC/ULTRASPARC3.
7904 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7905 (sparc64_initialize_trampoline): Likewise.
7906 (sparc_use_sched_lookahead): Use zero for niagara.
7907 (sparc_issue_rate): Use one for niagara.
7908 * config/sparc/niagara.md: New file.
7909 * config/sparc/sparc.md: Include it.
7910 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7911 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7912 when default cpu is niagara.
7913 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7914 (ASM_CPU_SPEC): Likewise.
7915 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7916 when default cpu is niagara.
7917 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7918 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7919 just like v9/ultrasparc/ultrasparc3.
7920 * doc/invoke.texi: Add documentation for "niagara" and improve
7921 existing documentation for ultrasparc variants.
7923 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7925 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7927 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7929 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7930 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7931 and say that only one is needed.
7932 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7933 * target.h (have_switchable_bss_sections): New hook.
7934 * explow.c (use_anchored_address): Check that the symbol is in a block.
7935 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7936 (bss_noswitch_section): New variables.
7937 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7938 (get_noswitch_section): New function.
7939 (get_block_for_section): Allow SECT to be null.
7940 (unlikely_text_section_p): Use SECTION_STYLE.
7941 (bss_initializer_p): New function.
7942 (get_variable_section): Move earlier in file. Take a new argument,
7943 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7944 Return one of the new *_sections in such cases.
7945 (get_block_for_decl): New function, extracting some logic from
7946 use_blocks_for_decl_p.
7947 (change_symbol_section): Remove in favor of...
7948 (change_symbol_block): ...this new function.
7949 (use_blocks_for_decl_p): Remove checks now performed by
7951 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7952 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7953 (emit_local, emit_bss, emit_common): ...these new functions.
7954 Return true if the alignment was honored.
7955 (emit_tls_common): New function.
7956 (asm_emit_uninitialised): Delete.
7957 (assemble_variable_noswitch): New function, split out from...
7958 (assemble_variable): ...here. Don't make decisions about common
7959 variables here. Globalize all public decls that go into non-common
7960 sections. Check whether SYMBOL_REF_BLOCK is null.
7961 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7962 (output_constant_pool): Likewise.
7963 (init_varasm_once): Initialize the new section variables.
7964 (have_global_bss_p): New function.
7965 (categorize_decl_for_section): Use bss_initializer_p.
7966 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7967 (place_block_symbol): Assert that the symbol must be in a block.
7968 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7969 (TARGET_INITIALIZER): Include it.
7970 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7971 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7972 (SECTION_MACH_DEP): Bump by two.
7973 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7974 (unnamed_section): Mention SECTION_UNNAMED in comment.
7975 (named_section): Likewise SECTION_NAMED.
7976 (noswitch_section_callback): New type.
7977 (noswitch_section): New structure.
7978 (section): Add a noswitch_section alternative.
7979 (SECTION_STYLE): New macro.
7980 (tls_comm_section, comm_section, lcomm_section): Declare.
7981 (bss_noswitch_section, have_global_bss_p): Declare.
7982 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7983 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7985 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7986 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7989 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7991 * tree-vrp.c (execute_vrp): Return value.
7992 * regrename.c (rest_of_handle_regrename): Ditto.
7993 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7994 * tree-complex.c (tree_lower_complex): Ditto.
7995 (tree_lower_complex_O0): Ditto.
7996 * tracer.c (rest_of_handle_tracer): Ditto.
7997 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7998 * postreload.c (rest_of_handle_postreload): Ditto.
7999 * tree-tailcall.c (execute_tail_recursion): Ditto.
8000 (execute_tail_calls): Ditto.
8001 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8002 * tree.h (init_function_for_compilation): Ditto.
8003 * ipa-cp.c (ipcp_driver): Ditto.
8004 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8005 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8006 * final.c (compute_alignments): Ditto.
8007 (rest_of_handle_final): Ditto.
8008 (rest_of_handle_shorten_branches): Ditto.
8009 (rest_of_clean_state): Ditto.
8010 * omp-low.c (execute_expand_omp): Ditto.
8011 (execute_lower_omp): Ditto.
8012 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8013 * ipa-reference.c (static_execute): Ditto.
8014 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8015 * reorg.c (rest_of_handle_delay_slots): Ditto.
8016 (rest_of_handle_machine_reorg): Ditto.
8017 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8018 * flow.c (recompute_reg_usage): Ditto.
8019 (rest_of_handle_remove_death_notes): Ditto.
8020 (rest_of_handle_life): Ditto.
8021 (rest_of_handle_flow2): Ditto.
8022 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8023 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8024 (do_ssa_store_ccp): Ditto.
8025 (execute_fold_all_builtins): Ditto.
8026 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8027 * modulo-sched.c (rest_of_handle_sms): Ditto.
8028 * ipa-pure-const.c (static_execute): Ditto.
8029 * cse.c (rest_of_handle_cse): Ditto.
8030 (rest_of_handle_cse2): Ditto.
8031 * web.c (rest_of_handle_web): Ditto.
8032 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8033 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8034 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8035 * tree-nrv.c (tree_nrv): Ditto.
8036 (execute_return_slot_opt): Ditto.
8037 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8038 (create_structure_vars): Ditto.
8039 * loop-init.c (rtl_loop_init): Ditto.
8040 (rtl_loop_done): Ditto.
8041 (rtl_move_loop_invariants): Ditto.
8042 (rtl_unswitch): Ditto.
8043 (rtl_unroll_and_peel_loops): Ditto.
8044 (rtl_doloop): Ditto.
8045 * gimple-low.c (lower_function_body): Ditto.
8046 (mark_used_blocks): Ditto.
8047 * tree-ssa-sink.c (execute_sink_code): Ditto.
8048 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8049 (cgraph_early_inlining): Ditto.
8050 * global.c (rest_of_handle_global_alloc): Ditto.
8051 * jump.c (cleanup_barriers): Ditto.
8052 (purge_line_number_notes): Ditto.
8053 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8054 (rest_of_handle_if_after_reload): Ditto.
8055 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8056 (tree_ssa_loop_im): Ditto.
8057 (tree_ssa_loop_unswitch): Ditto.
8058 (tree_vectorize): Ditto.
8059 (tree_linear_transform): Ditto.
8060 (tree_ssa_loop_ivcanon): Ditto.
8061 (tree_ssa_empty_loop): Ditto.
8062 (tree_ssa_loop_bounds): Ditto.
8063 (tree_complete_unroll): Ditto.
8064 (tree_ssa_loop_prefetch): Ditto.
8065 (tree_ssa_loop_ivopts): Ditto.
8066 (tree_ssa_loop_done): Ditto.
8067 * predict.c (tree_estimate_probability): Ditto.
8068 * recog.c (split_all_insns_noflow): Ditto.
8069 (rest_of_handle_peephole2): Ditto.
8070 (rest_of_handle_split_all_insns): Ditto.
8071 * tree-eh.c (lower_eh_constructs): Ditto.
8072 * regmove.c (rest_of_handle_regmove): Ditto.
8073 (rest_of_handle_stack_adjustments): Ditto.
8074 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8075 * function.c (instantiate_virtual_regs): Ditto.
8076 (init_function_for_compilation): Ditto.
8077 (rest_of_handle_check_leaf_regs): Ditto.
8078 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8079 (rest_of_handle_gcse): Ditto.
8080 * ipa-type-escape.c (type_escape_execute): Ditto.
8081 * alias.c (rest_of_handle_cfg): Ditto.
8082 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8083 * profile.c (rest_of_handle_branch_prob): Ditto.
8084 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8085 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8086 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8087 * tree-dfa.c (find_referenced_vars): Ditto.
8088 * except.c (set_nothrow_function_flags): Ditto.
8089 (convert_to_eh_region_ranges): Ditto.
8090 (rest_of_handle_eh): Ditto.
8091 * emit-rtl.c (unshare_all_rtl): Ditto.
8092 (remove_unnecessary_notes): Ditto.
8093 * except.h (set_nothrow_function_flags): Ditto.
8094 (convert_to_eh_region_ranges): Ditto.
8095 * cfgexpand.c (tree_expand_cfg): Ditto.
8096 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8097 * tree-ssa-pre.c (do_pre): Ditto.
8098 (execute_fre): Ditto.
8099 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8100 (rest_of_handle_jump2): Ditto.
8101 * tree-sra.c (tree_sra): Ditto.
8102 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8103 (execute_mudflap_function_decls): Ditto.
8104 * tree-ssa-copy.c (do_copy_prop): Ditto.
8105 (do_store_copy_prop): Ditto.
8106 * ipa-prop.h (ipcp_driver): Ditto.
8107 * cfglayout.c (insn_locators_initialize): Ditto.
8108 * tree-ssa-forwprop.c
8109 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8110 * cfglayout.h (insn_locators_initialize): Ditto.
8111 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8112 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8113 (execute_late_warn_uninitialized): Ditto.
8114 * rtl.h (cleanup_barriers): Ditto.
8115 (split_all_insns_noflow): Ditto.
8116 (purge_line_number_notes): Ditto.
8117 (unshare_all_rtl): Ditto.
8118 (remove_unnecessary_notes): Ditto.
8119 (recompute_reg_usage): Ditto.
8120 (variable_tracking_main): Ditto.
8121 * integrate.c (emit_initial_value_sets): Ditto.
8122 * integrate.h (emit_initial_value_sets): Ditto.
8123 * tree-optimize.c (execute_free_datastructures): Ditto
8124 (execute_free_cfg_annotations): Ditto.
8125 (execute_fixup_cfg): Ditto.
8126 (execute_cleanup_cfg_pre_ipa): Ditto.
8127 (execute_cleanup_cfg_post_optimizing): Ditto.
8128 (execute_init_datastructures): Ditto.
8129 * tree-object-size.c (compute_object_sizes): Ditto.
8130 * combine.c (rest_of_handle_combine): Ditto.
8131 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8132 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8133 (rest_of_handle_reorder_blocks): Ditto.
8134 (rest_of_handle_partition_blocks): Ditto.
8135 * var-tracking.c (variable_tracking_main): Ditto.
8136 * tree-profile.c (tree_profiling): Ditto.
8137 * tree-vect-generic.c (expand_vector_operations): Ditto.
8138 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8139 * sched-rgn.c (rest_of_handle_sched): Ditto.
8140 (rest_of_handle_sched2): Ditto.
8141 * basic-block.h (free_bb_insn): Ditto.
8142 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8143 * tree-cfg.c (execute_build_cfg): Ditto.
8144 (remove_useless_stmts): Ditto.
8145 (split_critical_edges): Ditto.
8146 (execute_warn_function_return): Ditto.
8147 (execute_warn_function_noreturn): Ditto.
8148 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8149 * cfgrtl.c (free_bb_for_insn): Ditto.
8150 * passes.c (execute_one_pass): Run additional
8151 todos returned by execute function.
8152 * tree-pass.h (struct tree_opt_pass): Make execute
8155 2006-03-02 Richard Guenther <rguenther@suse.de>
8157 * tree-ssa-alias.c (find_used_portions): Consider taking
8158 the address as making the variable not write-only.
8160 2006-03-02 Nick Clifton <nickc@redhat.com>
8162 * config.gcc (default_use_cxa_atexit): Extend the description of
8163 this configure variable. Set its default value to "yes" for
8164 Linux, NetBSD and ELF targets on the assumption that they will
8165 use C libraries with the __cxa_atexit function.
8167 2006-03-02 Ben Elliston <bje@au.ibm.com>
8169 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8170 parameter as unused to suppress a build warning.
8172 2006-03-02 Ben Elliston <bje@au.ibm.com>
8174 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8177 2006-03-01 Roger Sayle <roger@eyesopen.com>
8180 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8181 declared name, the weak reference name, and the typeof name.
8182 (__gthrw): Avoid expanding the declared name suffix.
8183 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8185 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8187 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8189 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8190 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8191 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8192 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8193 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8194 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8195 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8196 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8197 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8198 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8199 (DW_END_default, DW_END_big, DW_END_little): New.
8200 (DW_END_lo_user, DW_END_hi_user): Define.
8201 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8202 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8203 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8206 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8208 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8210 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8212 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8214 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8216 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8217 to 'symbol_mem_tag'.
8219 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8222 2006-03-01 Roger Sayle <roger@eyesopen.com>
8224 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8226 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8229 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8230 MACHO_DYNAMIC_NO_PIC_P.
8231 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8233 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8236 * config/darwin-protos.h (darwin_asm_output_anchor):
8238 * config/darwin-sections.def (cstring_section):
8239 Add SECTION_MERGE to the flags.
8240 (literal4_section): Likewise.
8241 (literal8_section): Likewise.
8242 (objc_selector_refs_section): Likewise.
8243 (objc_cls_refs_section): Likewise.
8244 * config/darwin.c (darwin_asm_output_anchor): New
8246 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8248 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8250 Fix PR tree-optimization/26443
8251 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8252 to todo and PROP_tmt_usage to properties_destroyed.
8253 * tree-ssa-ccp.c (pass_ccp): Ditto.
8254 (pass_store_ccp): Ditto.
8255 * tree-ssa-dom.c (pass_dominator): Ditto.
8257 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8259 * tree-ssa-operands.c: Cleanup whitespace.
8260 (get_asm_expr_operands): Move before first invocation.
8261 (get_indirect_ref_operands): Likewise.
8262 (get_tmr_operands): Likewise.
8263 (get_call_expr_operands): Likewise.
8264 (append_def): Likewise.
8265 (append_use): Likewise.
8266 (append_v_may_def): Likewise.
8267 (append_v_must_def): Likewise.
8268 (add_call_clobber_ops): Likewise.
8269 (add_call_read_ops): Likewise.
8270 (add_stmt_operand): Likewise.
8271 (add_virtual_operand): Likewise.
8272 (build_ssa_operands): Likewise.
8274 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8279 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8280 with a call expr to ...
8281 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8283 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8285 * tree-vrp.c (extract_range_from_assert): Remove special
8286 handling for types with super-types.
8288 2006-03-01 Ben Elliston <bje@au.ibm.com>
8290 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8291 and powerpc64-*-linux* configurations.
8292 * config/t-dfprules: New file.
8294 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8295 Compile dfp-bit.c from the source directory using -DWIDTH and
8296 $DFP_CFLAGS to control the compilation of that file, rather than
8297 generating width-specific versions in the build directory.
8298 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8299 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8301 2006-02-28 Zack Weinberg <zackw@panix.com>
8303 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8306 2006-02-28 Eric Christopher <echristo@apple.com>
8308 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8309 Set up IN_LIBGCC definition of TARGET_64BIT.
8310 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8312 2006-02-28 Roger Sayle <roger@eyesopen.com>
8315 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8316 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8317 cases via the construction of "expr != 0".
8319 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8321 * alias.c (alias_invariant, alias_invariant_size): Remove.
8322 (record_base_value): Remove.
8323 (memrefs_conflict_p): Don't look at alias_invariant.
8324 (end_alias_analysis): Don't free it.
8325 * alias.h (record_base_value): Remove prototype.
8327 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8328 Adam Nemet <anemet@caviumnetworks.com>
8330 * rtl.h (truncated_to_mode): Declare it.
8331 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8332 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8333 (RTL_HOOKS_INITIALIZER): Include it.
8334 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8335 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8336 reg_truncated_to_mode.
8337 * rtlanal.c (truncated_to_mode): Define it.
8338 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8340 2006-02-28 Jeff Law <law@redhat.com>
8342 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8343 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8344 the range allowed by TYPE_PRECISION.
8346 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8348 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8350 PR tree-optimization/26419
8351 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8354 2006-02-27 Zack Weinberg <zackw@panix.com>
8356 * doc/md.texi: Fix typo in previous change.
8358 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8362 2006-02-27 Zack Weinberg <zackw@panix.com>
8364 * rtl.def (define_constraint, define_register_constraint)
8365 (define_memory_constraint, define_address_constraint): New MD forms.
8366 * gensupport.c (process_rtx): Put define_constraint etc on the
8368 * genpreds.c (process_define_predicate): Adjust comment. Validate
8369 the name, and call validate_exp to validate the expression.
8370 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8371 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8372 all callers changed.
8373 (validate_exp, needs_variable, struct constraint_data)
8374 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8375 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8376 (const_dbl_constraints, constraint_max_namelen)
8377 (have_register_constraints, have_memory_constraints)
8378 (have_address_constraints, have_address_constraints)
8379 (have_extra_constraints, have_const_int_constraints)
8380 (have_const_dbl_constraints, mangle, add_constraint)
8381 (process_define_constraint, process_define_register_constraint)
8382 (write_enum_constraint_num, write_lookup_constraint)
8383 (write_insn_constraint_len, write_regclass_for_constraint)
8384 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8385 (write_insn_extra_memory_constraint)
8386 (write_insn_extra_address_constraint)
8387 (write_satisfies_constraint_fns): New.
8388 (write_tm_preds_h): If we have new-style constraint definitions,
8389 prototype the functions generated from them, and define the
8390 old constraint interface (still used by generic code) in terms of
8392 (write_insn_preds_c): If we have new-style constraint definitions,
8393 generate all relevant functions from those definitions.
8394 (main): Handle define_constraint etc.
8395 * genoutput.c (struct constraint_data, indep_constraints)
8396 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8397 (mdep_constraint_len): New data structures and functions, defined
8398 #ifdef USE_MD_CONSTRAINTS.
8399 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8400 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8401 use new logic to validate operand constraints against constraint
8403 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8405 * defaults.h: If none of the old-style constraint macros are
8406 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8407 old-style macros; and poison REG_CLASS_FROM_LETTER,
8408 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8410 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8411 * doc/md.texi: Document new constraint-definition mechanism and the
8412 C interface it provides. Remove references to old mechanism
8413 elsewhere in the document.
8414 (Machine Constraints): Use pathnames relative to gcc directory,
8415 i.e. config/ARCH/FILE. Change i386 section to refer to
8416 config/i386/predicates.md; update that section to match docstrings.
8417 * doc/tm.texi: Move all documentation of the old constraint-
8418 definition macros to their own section, clearly mark as obsolete.
8420 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8421 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8423 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8424 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8425 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8427 (splits and peepholes): Use satisfies_constraint_*.
8428 * config/i386/i386.c (memory_address_length)
8429 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8431 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8433 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8434 scalar operation to be put back into the loop.
8436 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8439 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8440 (extract_cie_info): Handle S flag in augmentation string.
8441 (execute_cfa_program): If context->signal_frame, execute also
8442 fs->pc == context->ra instructions.
8443 (uw_frame_state_for): If context->signal_frame, don't subtract one
8444 from context->ra to find FDE.
8445 (uw_update_context_1): Set context->signal_frame to
8447 (_Unwind_GetIPInfo): New function.
8448 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8449 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8451 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8452 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8453 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8454 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8455 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8456 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8457 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8458 x86_64_fallback_frame_state): Set fs->signal_frame.
8459 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8460 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8461 (frob_update_context): Likewise. Workaround missing S flag in
8462 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8463 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8464 Remove the psw_addr + 1 hack.
8466 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8468 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8469 with aggregates here.
8470 (find_func_aliases): Remove code for &<aggregate> from here.
8472 2006-02-26 Roger Sayle <roger@eyesopen.com>
8474 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8475 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8476 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8479 2006-02-26 Roger Sayle <roger@eyesopen.com>
8482 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8484 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8486 * opts.c (decode_options): Do not handle flag_strength_reduce.
8487 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8488 and OPT_fstrength_reduce.
8489 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8490 flag_prefetch_loop_arrays for being nonzero.
8491 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8493 (fprefetch-loop-arrays-rtl): Removed.
8494 (flag_prefetch_loop_arrays): Do not specify the value.
8496 * doc/passes.texi: Update documentation of loop optimizer
8498 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8499 -frerun-loop-opt): Remove.
8501 2006-02-26 Richard Guenther <rguenther@suse.de>
8503 PR tree-optimization/26421
8504 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8505 in function calls that are ADDR_EXPRs as using the whole structure.
8507 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8509 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8510 * tree-pass.h (pass_loop_optimize): Remove.
8511 * passes.c (pass_loop_optimize): Never run it.
8512 * toplev.c (backend_init): Don't call init_loop.
8513 * opts.c (flag_loop_optimize_set): Remove.
8514 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8515 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8516 the old RTL loop optimizer when profiling enabled.
8517 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8518 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8519 pre-headers for the sake of the old RTL loop optimizer.
8520 * Makefile.in: Remove all references to loop.o.
8522 * doc/invoke.texi: Remove all references to -floop-optimize
8523 and -frerun-loop-opt.
8525 2006-02-26 Zack Weinberg <zackw@panix.com>
8527 * doc/md.texi (Machine Constraints): Refer to all files with paths
8528 relative to gcc directory (i.e. config/CPU/file). Add missing
8529 @table @code ... @end table to M32C subsection.
8531 2006-02-26 Roger Sayle <roger@eyesopen.com>
8533 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8535 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8537 2006-02-26 Roger Sayle <roger@eyesopen.com>
8538 James A. Morrison <phython@gcc.gnu.org>
8541 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8542 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8543 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8544 signedness of the shift operation.
8546 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8548 PR tree-optimization/26359
8549 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8551 2006-02-25 Roger Sayle <roger@eyesopen.com>
8553 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8554 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8555 as X == 0, and some symmetry related transformations.
8556 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8558 2006-02-25 Roger Sayle <roger@eyesopen.com>
8561 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8562 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8563 symmetry related transformations. Fold (X^C1) == C2 as
8566 2006-02-25 Juergen Weigert <jw@suse.de>
8567 Richard Guenther <rguenther@suse.de>
8569 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8571 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8573 * combine.c (gen_lowpart_or_truncate): Call
8574 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8576 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8578 * doc/invoke.texi: Move -fopenmp description to "Options for
8580 Remove reference to -lgomp.
8582 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8584 * doc/install.texi: Require GNU tar version 1.14.
8586 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8588 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8589 * doc/invoke.texi (C++ Dialect Options): Document
8590 -fno-use-cxa-get-exception-ptr.
8591 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8592 * configure: Regenerate.
8593 * c.opt (fuse-cxa-get-exception-ptr): New.
8594 * c-opts.c (c_common_handle_option): Handle
8595 OPT_fuse_cxa_get_exception_ptr.
8596 * c-common.c (flag_use_cxa_atexit): Update documentation.
8597 (flag_use_cxa_get_exception_ptr): New.
8598 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8599 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8601 (C_COMMON_OVERRIDE_OPTIONS): New.
8603 2006-02-24 Roger Sayle <roger@eyesopen.com>
8606 * combine.c (try_combine): Explicitly check whether GET_CODE is
8607 a SET or a CLOBBER, instead on checking that it isn't a USE.
8609 2006-02-24 Roger Sayle <roger@eyesopen.com>
8611 * fold-const.c (fold_comparison): New subroutine of fold_binary
8612 containing transformations common to both the equality and
8613 ordering relational operators, factored out of fold_binary.
8614 (fold_binary): Separate out the equality operators (EQ_EXPR
8615 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8616 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8617 transformations common to both.
8618 (fold_div_compare): Fix latent bugs in the previously unreachable
8619 LT_EXPR and GE_EXPR cases.
8621 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8623 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8624 decl libname for clog to __clog on AIX.
8626 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8628 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8631 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8632 output traceback table for thunks. Localise rs6000_stack_info call.
8634 2006-02-23 Roger Sayle <roger@eyesopen.com>
8635 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8637 * gthr-posix.h (__gthrw): Fix typo in comment.
8639 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8641 * doc/cpp.texi (Character sets): Document that we do support
8642 input files to be in any character set.
8644 2006-02-23 Jeff Law <law@redhat.com>
8646 * tree.h (PHI_ARG_NONZERO): Remove.
8647 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8648 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8649 node to the new node.
8651 PR tree-optimization/26425
8652 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8653 min/max, then assume its varying.
8655 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8657 PR rtl-optimization/26316
8658 * rtlanal.c (enum may_trap_p_flags): New.
8659 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8660 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8661 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8662 (may_trap_after_code_motion_p): New function.
8663 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8664 (find_invariant_insn): Use may_trap_after_code_motion_p.
8665 * rtl.h (may_trap_after_code_motion_p): Declare.
8667 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8669 * emit-rtl.c (immed_double_const): Cleanup.
8671 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8673 Fix PR tree-optimization/26376
8674 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8677 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8680 * gimplify.c (omp_add_variable): Guard variable size decl test with
8681 DECL_SIZE (decl) check.
8683 2006-02-23 Richard Guenther <rguenther@suse.de>
8686 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8687 like aggregate types.
8689 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8691 * configure.ac: Add --with{,out}-long-double-128 configure option.
8692 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8693 * configure: Rebuilt.
8694 * config.in: Rebuilt.
8695 * doc/install.texi (Options specification): Document
8696 --with-long-double-128.
8698 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8699 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8700 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8701 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8703 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8705 * config/s390/s390.c (override_options): Handle
8706 TARGET_DEFAULT_LONG_DOUBLE_128.
8708 * config/alpha/alpha.c (override_options): Handle
8709 TARGET_DEFAULT_LONG_DOUBLE_128.
8711 * config/sparc/sparc.c (sparc_override_options): Handle
8712 TARGET_DEFAULT_LONG_DOUBLE_128.
8714 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8716 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8717 (real-install-headers-tar, real-install-headers-cpio)
8718 (real-install-headers-cp): New targets.
8720 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8722 * tree.h (variable_section): Delete.
8723 * varasm.c (variable_section): Delete.
8725 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8727 * install.texi: Add notes on install.texi2html.
8728 (Building in parallel): Do not use footnotes.
8730 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8733 * doc/install.texi (Configuration): Document --disable-libgomp.
8735 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8737 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8739 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8741 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8742 (vec_extractv2df_0_sse): New.
8744 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8746 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8747 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8748 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8749 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8750 to the result of the expression.
8751 (def_cfa_1): Adjust.
8752 (frame_pointer_cfa_offset): Rename to...
8753 (frame_pointer_fb_offset): ... this. Adjust all uses.
8754 (convert_cfa_to_loc_list): Rename to...
8755 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8756 Pass it on to build_cfa_loc.
8757 (compute_frame_pointer_to_cfa_displacement): Rename to...
8758 (compute_frame_pointer_to_fb_displacement): ... this. New
8759 offset parameter. Use it in computation.
8760 (gen_subprogram_die): Compute cfa_fb_offset with the new
8761 macro, and use it to compute the fb loc list and the
8764 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8766 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8767 replaced with register_operand.
8768 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8769 non-DREG is expensive.
8770 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8771 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8774 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8776 * doc/install.texi2html: Use set -e.
8778 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8780 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8781 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8782 * doc/invoke.texi (-fshared-data): Delete.
8783 * common.opt (fshared-data): Delete.
8784 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8785 (assemble_static_space): Remove #if 0 code.
8786 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8787 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8788 * config/cris/cris.h: Remove FIXME.
8790 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8792 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8795 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8798 * combine.c (simplify_shift_const_1): Disable nested shifts
8799 optimization for vector shifts.
8801 2006-02-20 Roger Sayle <roger@eyesopen.com>
8803 PR tree-optimization/26361
8804 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8805 of unsigned integer types.
8807 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8809 * tree-chrec.c (eq_evolutions_p): New.
8810 * tree-chrec.h (eq_evolutions_p): Declared.
8811 * tree-data-ref.c: Fix formatting.
8812 (datadep_stats, dependence_stats): New.
8814 (print_direction_vector): New.
8815 (dump_data_dependence_relation): Use print_direction_vector.
8816 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8817 (compute_subscript_distance): Static.
8818 (initialize_data_dependence_relation): Static. Get the number
8819 of loops surrounding the references from the callers, and initialize
8820 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8821 base_object_differ_p analyzers.
8822 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8823 compute_overlap_steps_for_affine_1_2,
8824 analyze_subscript_affine_affine): Count the classified dependences.
8825 Print a message when a test failed.
8826 (can_use_analyze_subscript_affine_affine): New.
8827 (analyze_siv_subscript): Compute the data dependences on symbolic
8828 scevs that verify can_use_analyze_subscript_affine_affine.
8829 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8830 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8831 Handle symbolic scevs.
8832 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8834 (subscript_dependence_tester): Moved...
8835 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8836 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8837 DDR_SIZE_VECT instead of getting it in parameter.
8838 (subscript_dependence_tester): ... here. Take as a parameter
8839 loop_nest_depth. Call build_classic_dist_vector and
8840 build_classic_dir_vector.
8841 (compute_affine_dependence): Update subscript_dependence_tester
8842 parameters. Update datadep_stats counters. Call
8843 compute_subscript_distance.
8844 (compute_self_dependence): Save the dist and dir vectors. Call
8845 compute_subscript_distance.
8846 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8847 (compute_all_dependences): Reorder parameters as they were before
8848 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8849 compute_subscript_distance. Update the use of
8850 compute_affine_dependence and initialize_data_dependence_relation.
8851 (find_data_references_in_loop): Handle COMPONENT_REF.
8852 (compute_data_dependences_for_loop): Initialize dependence_stats.
8853 Don't call build_classic_dist_vector and build_classic_dir_vector.
8854 Update the parameters of initialize_data_dependence_relation and
8855 compute_all_dependences. Print the statistics from datadep_stats.
8856 (analyze_all_data_dependences): Static. Not used until the pass for
8857 checking the data dependences is contributed.
8858 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8859 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8860 (initialize_data_dependence_relation, compute_affine_dependence,
8861 analyze_all_data_dependences, compute_subscript_distance): Removed.
8862 (print_direction_vector): New.
8863 * lambda.h (gcd): ... here.
8864 (lambda_vector_gcd): Moved here from gcd_vector.
8865 * lambda-code.c (gcd, gcd_vector): Removed.
8866 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8867 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8869 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8871 * ipa-type-escape.c: Tidy some comments and white space.
8872 * tree-ssa-operands.c: Likewise.
8874 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8877 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8878 (dump_decl_name): Do not walk the decl tree chains.
8879 * tree-pass.h (TDF_CHAIN): Remove.
8881 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8883 * Makefile.in (C): Remove
8885 (.PHONY): Remove C and PROTO
8887 2006-02-20 Roger Sayle <roger@eyesopen.com>
8890 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8891 deprecated CHAR_TYPE tree code.
8893 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8895 * configure.ac (target_list): Add install-info, dvi, html.
8896 * configure: Regenerate.
8898 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8899 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8900 treelang/Make-lang.in: Do not use double-colon rules.
8902 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8904 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8905 (TMT_USED_ALONE): New macro.
8906 * tree-pass.h (PROP_tmt_usage): New property.
8907 (TODO_update_tmt_usage): New todo.
8908 * tree-ssa-alias.c (updating_used_alone): New variable.
8909 (recalculate_used_alone): New function.
8910 (compute_may_aliases): Set updating_used_alone, call
8911 recalculate_used_alone.
8912 * tree-sra.c (pass_sra): Note that this pass destroys
8913 PROP_tmt_usage, and add TODO_update_tmt_usage.
8914 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8915 * tree-flow.h (updating_used_alone): Prototype.
8916 (recalculate_used_alone): Ditto.
8917 * passes.c (execute_todo): Add code to set updating_used_alone,
8918 and call recalculate.
8919 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8920 for clobber if used alone, and add assert to verify used_alone
8923 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8925 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8926 for non tls symbols added.
8927 (legitimize_address): Do nothing for PLUS expressions if one of the
8928 addends is a tls symbol reference.
8930 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8934 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8936 * Makefile.in (BOOTSTRAPPING): New.
8937 (quickstrap): New definition if BOOTSTRAPPING=yes.
8939 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8940 * configure.ac: Substitute all_selected_languages with the languages
8941 that were configured. For all the other variables except
8942 lang_specs_files, include all the languages in the tree.
8943 * configure: Regenerate.
8945 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8946 if there is one. Run the commands to run fixincludes in the same
8949 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8950 * doc/install.texi: Document exact conventions for searching target tools.
8951 Document --with-build-time-tools. Document toplevel bootstrap. Document
8952 something more about building an Ada cross-compiler. Don't list GNU Make
8953 requirements which affect all platforms.
8955 2006-02-19 Roger Sayle <roger@eyesopen.com>
8958 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8959 only equivalent if the have both the same mode and precision.
8961 2006-02-20 Ben Elliston <bje@au.ibm.com>
8963 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8965 2006-02-19 Roger Sayle <roger@eyesopen.com>
8966 Steven Bosscher <stevenb.gcc@gmail.com>
8968 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8969 constant pool references to identify stack mode constants.
8970 * rtlanal.c (constant_pool_constant_p): New predicate to check
8971 whether operand is a floating point constant in the pool.
8972 * rtl.h (constant_pool_constant_p): Prototype here.
8973 * loop.c (scan_loop): Avoid hoisting constants from the constant
8974 pool on STACK_REGS targets.
8975 (load_mems): Likewise.
8976 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8977 loads into x87 registers expensive in terms of register pressure.
8979 2006-02-19 Roger Sayle <roger@eyesopen.com>
8981 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8982 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8984 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8986 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8987 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8989 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8991 * doc/invoke.texi: Document -fipa-pta.
8992 * common.opt: Add ipa-pta option.
8993 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8994 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8995 (do_ds_constraint): Ditto.
8996 (get_constraint_for): Only add to referenced_vars if
8997 referenced_vars exists.
8998 (insert_into_field_list): Rewrite to do this unsorted.
8999 (insert_into_field_list_sorted): Rename old insert_into_field_list
9001 (create_function_info_for): Use insert_into_field_list_sorted.
9002 (create_variable_info_for): Rewrite so it uses unsorted version,
9003 since the field list is sorted.
9004 (intra_create_variable_infos): Only add to referenced_vars if
9005 referenced_vars exists.
9006 (ipa_pta_execute): Init heapvars, and delete when done.
9007 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9009 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9011 * doc/install.texi: Add missing `@samp'.
9013 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9015 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9018 2006-02-18 Mark Wielaard <mark@klomp.org>
9020 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9021 who added new 4.1 features, bug fixes and integration support.
9023 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9026 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9029 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9031 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9032 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9033 (copy_insn_1): Likewise. Don't copy each field individually.
9035 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9037 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9038 * rtl.c (rtx_size): Rename variable to...
9039 (rtx_code_size): ...this.
9040 (rtx_size): New function.
9041 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9042 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9044 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9045 * rtl.h (rtx_code_size): New variable.
9046 (rtx_size): Change from a variable to a function.
9047 (RTX_SIZE): Rename to...
9048 (RTX_CODE_SIZE): ...this.
9051 PR tree-optimization/17106
9052 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9053 (Anchored Addresses): New section.
9054 * doc/invoke.texi (-fsection-anchors): Document.
9055 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9056 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9057 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9058 * hooks.c (hook_bool_mode_rtx_false): New function.
9059 * hooks.h (hook_bool_mode_rtx_false): Declare.
9060 * gengtype.c (create_optional_field): New function.
9061 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9062 SYMBOL_REF_IN_BLOCK_P is true.
9063 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9064 (min_anchor_offset, max_anchor_offset): Likewise.
9065 (use_anchors_for_symbol_p): New hook.
9066 * toplev.c (compile_file): Call output_object_blocks.
9067 (target_supports_section_anchors_p): New function.
9068 (process_options): Check that -fsection-anchors is only used on
9069 targets that support it and when -funit-at-a-time is in effect.
9070 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9071 if the decl doesn't have one.
9072 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9073 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9074 of force_const_mem through use_anchored_address.
9075 (expand_expr_constant): New function.
9076 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9077 calling expand_expr for INDIRECT_REF.
9078 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9079 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9080 * expr.h (use_anchored_address): Declare.
9081 * loop-unroll.c: Don't declare rtx vectors here.
9082 * explow.c: Include output.h.
9083 (validize_mem): Call use_anchored_address.
9084 (use_anchored_address): New function.
9085 * common.opt (-fsection-anchors): New switch.
9086 * varasm.c (object_block_htab, anchor_labelno): New variables.
9087 (hash_section, object_block_entry_eq, object_block_entry_hash)
9088 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9089 (use_blocks_for_decl_p, change_symbol_section): New functions.
9090 (get_variable_section): New function, split out from assemble_variable.
9091 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9092 use_blocks_for_decl_p say so. Use change_symbol_section if the
9093 symbol has already been created.
9094 (assemble_variable_contents): New function, split out from...
9095 (assemble_variable): ...here. Don't output any code for
9096 block symbols; just pass them to place_block_symbol.
9097 Use get_variable_section and assemble_variable_contents.
9098 (get_constant_alignment, get_constant_section, get_constant_size): New
9099 functions, split from output_constant_def_contents.
9100 (build_constant_desc): Create a block symbol if use_object_blocks_p
9101 says so. Or into SYMBOL_REF_FLAGS.
9102 (assemble_constant_contents): New function, split from...
9103 (output_constant_def_contents): ...here. Don't output any code
9104 for block symbols; just pass them to place_section_symbol.
9105 Use get_constant_section and get_constant_alignment.
9106 (force_const_mem): Create a block symbol if use_object_blocks_p and
9107 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9108 (output_constant_pool_1): Add an explicit alignment argument.
9109 Don't switch sections here.
9110 (output_constant_pool): Adjust call to output_constant_pool_1.
9111 Switch sections here instead. Don't output anything for block symbols;
9112 just pass them to place_block_symbol.
9113 (init_varasm_once): Initialize object_block_htab.
9114 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9115 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9116 (place_block_symbol, get_section_anchor, output_object_block)
9117 (output_object_block_htab, output_object_blocks): New functions.
9118 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9119 (TARGET_ASM_OUT): Include it.
9120 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9121 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9122 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9123 (TARGET_INITIALIZER): Include them.
9124 * rtl.c (rtl_check_failed_block_symbol): New function.
9125 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9126 (block_symbol, object_block): New structures.
9127 (rtx_def): Add a block_symbol field to the union.
9128 (BLOCK_SYMBOL_CHECK): New macro.
9129 (rtl_check_failed_block_symbol): Declare.
9130 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9131 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9132 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9133 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9134 * output.h (output_section_symbols): Declare.
9135 (object_block): Name structure.
9136 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9137 (default_use_anchors_for_symbol_p): Declare.
9138 * Makefile.in (RTL_BASE_H): Add vec.h.
9139 (explow.o): Depend on output.h.
9140 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9141 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9142 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9143 (rs6000_use_blocks_for_constant_p): New function.
9145 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9147 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9149 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9152 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9155 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9157 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9161 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9164 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9165 instead of DECL_REGISTER.
9167 2006-02-18 Olivier Hainque <hainque@adacore.com>
9170 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9172 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9175 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9176 * opth-gen.awk: Handle Var and InverseMask together.
9177 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9178 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9179 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9180 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9182 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9183 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9184 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9185 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9186 LINUX_DYNAMIC_LINKER): Define.
9187 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9188 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9190 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9191 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9192 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9193 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9194 (TARGET_C99_FUNCTIONS): Don't define.
9195 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9196 GLIBC_DYNAMIC_LINKER.
9197 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9198 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9199 GLIBC_DYNAMIC_LINKER64): Define.
9200 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9201 LINUX_DYNAMIC_LINKER64.
9202 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9203 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9204 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9205 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9206 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9207 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9208 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9209 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9210 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9211 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9212 and LINUX_DYNAMIC_LINKER32.
9213 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9214 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9215 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9216 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9217 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9219 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9220 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9221 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9222 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9223 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9224 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9225 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9226 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9227 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9228 LINUX_DYNAMIC_LINKER): Define.
9229 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9230 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9231 GLIBC_DYNAMIC_LINKER64): Define.
9232 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9233 LINUX_DYNAMIC_LINKER64.
9234 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9235 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9236 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9237 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9238 LINUX_DYNAMIC_LINKER): Define.
9239 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9240 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9241 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9242 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9243 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9244 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9245 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9246 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9247 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9248 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9249 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9250 * doc/invoke.texi (-muclibc): Remove caveat about supported
9253 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9255 * doc/cpp.texi (__TIMESTAMP__): Document.
9257 2006-02-17 Roger Sayle <roger@eyesopen.com>
9260 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9261 C is one less than the width of X (and related transformations).
9262 * simplify-rtx.c (simplify_unary_operation_1): Transform
9263 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9264 depending on STORE_FLAG_VALUE, were C is one less then the
9267 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9269 Fix PR tree-optimization/26341
9270 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9271 about NAME_MEMORY_TAG's.
9273 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9276 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9277 with hardware float support, and software float support. Add fcpy
9278 alternative to hardware patterns. Add alternatives to copy between
9279 general and floating-point registers to the 32-bit pattern.
9280 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9281 secondary reload to load a QI or HI mode constant into a floating
9283 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9284 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9286 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9289 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9291 (load_macho_picbase_di): Likewise.
9293 2006-02-16 Jeff Law <law@redhat.com>
9295 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9296 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9297 (ssa_name_nonzero_p): Likewise.
9298 (get_value_range): Return NULL if VRP is not running.
9299 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9300 VRP routines do not discover a range.
9301 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9302 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9303 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9304 (tree_expr_nonnegative_p): Similarly.
9305 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9306 (restore_nonzero_vars_to_original_value): Remove.
9307 (unsafe_associative_fp_binop): Remove.
9308 (tree_ssa_dominator_optimize): Remove initialization and
9309 finalization of nonzero_vars and nonzero_vars_stack.
9310 (dom_opt_initialize_block): No longer push marker on
9312 (dom_opt_finalize_block): No longer call
9313 restore_nonzero_vars_to_original_value.
9314 (record_equivalences_from_phis): No longer look for
9315 nonzero PHI arguments.
9316 (cprop_into_successor_phis): No longer propagate nonzero
9317 property into PHI arguments. Lose unused argument. Caller
9319 (record_equivalences_from_stmt): No longer record nonzero
9320 values for SSA_NAMEs.
9321 (lookup_avail_expr): No longer use nonzero_vars.
9323 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9324 for sizetype when sizetype is unsigned.
9326 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9328 PR rtl-optimization/25603
9329 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9330 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9331 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9332 with new meaning of SETS.
9334 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9339 * config/linux.opt: New file.
9340 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9341 LINUX_DYNAMIC_LINKER): Define.
9342 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9343 * config.gcc (*-*-linux*): Define extra_options.
9344 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9345 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9346 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9347 GLIBC_DYNAMIC_LINKER.
9348 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9349 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9350 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9351 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9352 * doc/invoke.texi (GNU/Linux Options): New section.
9354 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9356 * config/sparc/sparc.md (setjmp): Rewrite.
9357 (setjmp_32): Delete.
9358 (setjmp_64): Likewise.
9360 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9362 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9365 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9367 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9370 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9372 PR rtl-optimization/26296
9373 * Makefile.in (loop-invariant.c): Add except.h dependency.
9374 * loop-invariant.c: Include except.h.
9375 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9377 2005-02-16 Paul Brook <paul@codesourcery.com>
9379 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9382 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9384 PR rtl-optimization/25636
9385 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9386 when deciding whether an insn is an initializing insn.
9388 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9390 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9391 (tree_code_size): Ditto.
9392 * tree.h (struct tree_memory_tag): Remove parent_var.
9393 (struct tree_struct_field_tag): New.
9396 (union tree_node): Add sft member.
9397 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9399 (create_sft): Add size and offset argument, set SFT_OFFSET and
9401 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9402 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9403 * tree-flow-inline.h (get_subvar_at): Update for
9404 SFT_OFFSET/SFT_SIZE.
9405 (var_can_have_subvars): Ditto.
9406 (overlap_subvar): Ditto.
9407 * print-tree.c (print_node): Print out interesting things for
9409 * tree-flow.h (struct subvar): Remove offset and size members.
9410 * tree-ssa-operands.c (get_expr_operands): Update for
9411 get_indirect_ref_operands changes.
9412 (get_indirect_ref_operands): Call add_virtual_operand instead of
9413 add_stmt_operand. Only recurse on base var if requested.
9414 (access_can_touch_variable): New function.
9415 (add_stmt_operand): Split virtual operand handling into ...
9416 (add_virtual_operand): Here. Add offset, size, and for_clobber
9417 arguments. Prune alias sets.
9418 (add_call_clobber_ops): Call add_virtual_operand.
9420 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9423 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9425 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9426 than TREE_CODE as index into omp_clause_num_ops array.
9428 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9430 PR rtl-optimization/26184
9431 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9433 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9434 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9435 must_precede, must_follow and tobe_scheduled.
9438 * opts.c (common_handle_option): Free new_option pointer.
9439 * df-core.c (df_analyze): Free postorder pointer.
9441 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9443 * Makefile.in: Fix the examples about the use of stamps
9445 2006-02-15 Michael Matz <matz@suse.de>
9449 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9450 influenced by maximum_field_alignment or DECL_PACKED.
9451 (update_alignment_for_field): Ditto.
9452 (place_field): Ditto.
9453 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9456 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9458 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9459 (debug_flow_info): Pass it.
9460 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9461 * bb-reorder.c (reorder_basic_blocks): Likewise.
9462 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9463 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9464 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9465 * gcse.c (gcse_main, bypass_jumps): Likewise.
9466 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9467 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9468 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9469 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9470 * rtl.h (dump_flow_info): Adjust prototype.
9471 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9472 * var-tracking.c (variable_tracking_main): Likewise.
9473 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9474 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9477 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9479 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9482 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9484 PR tree-optimization/26209
9485 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9486 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9488 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9490 2006-02-14 Roger Sayle <roger@eyesopen.com>
9493 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9494 (X,Y) and the corresponding symmetry related transformations.
9495 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9496 (X,Y) and its symmetry related transformations.
9498 2006-02-14 Roger Sayle <roger@eyesopen.com>
9500 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9503 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9505 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9507 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9510 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9511 support COMDAT group.
9512 * configure: Regenerate.
9514 2006-02-14 Roger Sayle <roger@eyesopen.com>
9519 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9521 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9523 Fix PR tree-optimization/26260
9525 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9527 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9528 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9529 * tree-ssa-structalias.c (create_variable_info_for): Use
9530 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9532 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9534 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9536 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9537 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9538 of the ending condition.
9539 * tree-ssa-loop-manip.c: Include params.h.
9540 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9541 tree_unroll_loop): New functions.
9542 * tree-pass.h (pass_loop_prefetch): Declare.
9543 * loop.c (rest_of_handle_loop_optimize): Test for
9544 -fprefetch-loop-arrays-rtl.
9545 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9546 * timevar.def (TV_TREE_PREFETCH): New timevar.
9547 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9548 pass_loop_prefetch): New.
9549 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9550 (cleanup_tree_cfg_loop): Call scev_reset.
9551 * common.opt (fprefetch-loop-arrays-rtl): Add.
9552 * tree-ssa-loop-prefetch.c: New file.
9553 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9554 (new_temp_expr_table): Initialize expr_vars.
9555 (free_temp_expr_table): Cleanup expr_vars.
9556 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9557 expressions from being merged into one.
9558 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9559 (struct tree_niter_desc): Add control, bound and cmp fields.
9560 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9562 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9563 (tree-cfgcleanup.o): Add SCEV_H dependency.
9564 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9565 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9567 2006-02-14 Richard Guenther <rguenther@suse.de>
9569 PR tree-optimization/26258
9570 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9571 in PHI argument processing.
9573 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9575 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9576 new expression in the requested machine mode.
9578 2006-02-13 Roger Sayle <roger@eyesopen.com>
9580 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9581 directly, instead let do_compare_rtx_and_jump handle this for us.
9582 * expr.c (expand_expr_real_1): Likewise.
9583 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9584 before do_jump_by_parts_greater.
9585 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9586 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9588 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9590 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9592 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9594 PR rtl-optimization/26235
9595 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9596 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9599 2006-02-13 Jeff Law <law@redhat.com>
9601 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9604 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9607 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9608 twice if decl is a builtin. When trying again, call get_callee_fndecl
9609 first to verify it is still a builtin.
9611 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9613 * dwarf2out.c (base_type_die): Don't add AT_name here.
9614 (subrange_type_die): Don't add AT_name here.
9615 (modified_type_die): Rearrange code flow. Do add AT_name here.
9617 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9619 PR rtl-optimization/26247
9620 PR rtl-optimization/26248
9621 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9623 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9625 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9626 * config/fixtfdi.c: Likewise.
9627 * config/fixunstfdi.c: Likewise.
9628 * config/floatditf.c: Likewise.
9630 2006-02-13 Roger Sayle <roger@eyesopen.com>
9633 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9634 into (X,C2) if C1 is a subset of the bits of C2. Transform
9635 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9637 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9639 2006-02-13 Josh Conner <jconner@apple.com>
9642 * varasm.c (function_section): Check for section name before
9643 calling select_section on targets that define
9644 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9645 unlikely_text_section instead of hot_function_section if
9646 first_function_block_is_cold.
9648 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9651 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9653 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9655 PR rtl-optimization/26222
9656 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9657 after tree->rtl expansion.
9658 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9659 before passing it to emit_move_insn.
9661 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9663 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9665 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9666 Clarify documentation.
9667 * c-common.h (warn_write_strings): Remove.
9668 * c-common.c (warn_write_strings): Likewise.
9669 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9672 2006-02-12 Roger Sayle <roger@eyesopen.com>
9675 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9676 (do_jump_parts_zero_rtx): New function renamed from
9677 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9678 (do_jump_parts_equality_rtx): New function split out from
9679 do_jump_parts_equality. Old implementation renamed as above.
9680 Call do_jump_parts_zero_rtx if either operand is zero.
9681 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9682 do all of the heavy lifting.
9683 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9684 calling either do_jump_by_parts_greater_rtx or
9685 do_jump_by_parts_equality_rtx.
9686 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9687 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9688 moved to do_compare_rtx_and_jump, call it directly.
9689 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9690 mode argument. Call do_compare_rtx_and_jump.
9691 (emit_case_nodes): Update calls to do_jump_if_equal.
9693 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9695 PR rtl-optimization/26225
9696 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9698 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9700 PR rtl-optimization/26232
9701 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9703 2006-02-11 Jason Merrill <jason@redhat.com>
9706 * tree-inline.c (declare_return_variable): Just don't use the
9707 modify target if it's a gimple complex reg and the return slot
9710 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9712 * doc/contrib.texi: Update my entry.
9714 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9716 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9718 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9720 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9723 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9725 * doc/invoke.texi (-floop-optimize2): Removed.
9726 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9727 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9728 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9729 * common.opt (floop-optimize2): Removed.
9730 (fmove-loop-invariants): Enabled by default.
9732 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9734 * tree-if-conv.c (combine_blocks): Free the result of
9735 get_loop_exit_edges.
9737 2006-02-10 Jeff Law <law@redhat.com>
9739 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9741 PR tree-optimization/26213
9742 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9743 loop trying to follow SSA_NAME_VALUE chains.
9745 2006-02-10 Richard Guenther <rguenther@suse.de>
9747 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9748 deal with structures that end in implicitly variable sized arrays.
9750 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9752 PR rtl-optimization/24762
9753 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9756 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9758 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9759 (struct ivopts_data): Add regs_used field.
9760 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9761 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9762 instead of loop_data->regs_used;
9763 (free_loop_data): Do not free aux fields for loops.
9764 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9765 and tree_ssa_iv_optimize_finalize.
9767 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9769 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9771 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9774 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9775 computing the effective result type.
9777 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9780 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9781 (tree_overlaps_hard_reg_set): Declare.
9782 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9783 type and signature to match function type expected by walk_tree.
9784 (tree_overlaps_hard_reg_set): New function.
9785 (decl_conflicts_with_clobbers_p): Rename to:
9786 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9787 Use tree_overlaps_hard_reg_set. Changed caller.
9788 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9789 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9790 * cris.c (cris_md_asm_clobbers): Likewise.
9792 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9794 * reload1.c (emit_input_reload_insns): Delete code that tries to
9795 inherit using find_equiv_reg.
9797 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9799 * c-common.h (flag_const_strings): Don't declare.
9800 * c-common.c (flag_const_strings): Remove.
9801 * c.opt (fconst_strings): Remove.
9802 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9803 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9804 (c_common_init_options): Don't set flag_const_strings.
9805 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9807 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9809 * arm.md (tlobits_cbranch): New pattern.
9810 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9811 testing a single bit.
9813 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9816 * tree-ssa-pre.c (create_component_ref_by_pieces):
9817 Handle RETURN_DECL like VAR_DECL.
9819 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9822 * fold-const.c (fold_indirect_ref_1): Fold
9823 "*(foo *)&complexfoo" to "__real__ complexfoo"
9824 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9826 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9828 * tree-flow-inline.h (var_can_have_subvars):
9829 Volatile variables should not have subvariables.
9831 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9834 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9835 multiplying unsigned values.
9838 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9840 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9842 2006-02-08 Jason Merrill <jason@redhat.com>
9845 * tree.def: Elaborate on difference from MODIFY_EXPR.
9846 * doc/c-tree.texi (INIT_EXPR): Likewise.
9847 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9848 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9849 (gimplify_target_expr): Likewise.
9850 (gimplify_cond_expr): Remove target handling.
9851 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9852 (gimplify_expr): Clobber it here.
9853 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9854 Do return slot optimization if we have an INIT_EXPR.
9857 * tree-inline.c (declare_return_variable): Also clear
9858 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9861 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9864 * gimplify.c (gimplify_one_sizepos): Fix typo.
9866 2006-02-08 Jeff Law <law@redhat.com>
9868 PR tree-optimization/21417
9869 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9870 across a backedge if the control statement at the end of the
9871 block is data dependent on other statements in the same block.
9872 (record_temporary_equivalences_from_stmts): Remove over-conservative
9873 test for threading across backedges.
9875 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9876 control statement, handle all three special cases in the same
9877 manner as they all have the same desired solution. No longer
9878 special case edge flag updating when the post dominator is
9881 2006-02-08 Roger Sayle <roger@eyesopen.com>
9883 * tree.def (CHAR_TYPE): Remove.
9884 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9885 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9886 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9887 (gen_string_type_die): Delete unreachable function.
9889 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9890 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9891 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9892 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9893 * builtins.c (type_to_class): Likewise.
9894 * fold-const.c (fold_convert, build_range_check,
9895 merge_ranges): Likewise.
9896 * expr.c (count_type_elements): Likewise.
9897 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9898 * stor-layout.c (layout_type): Likewise.
9899 * ipa-type-escape.c (type_to_consider): Likewise.
9900 * gimplify.c (omp_firstprivatize_type_sizes,
9901 gimplify_type_sizes): Likewise.
9902 * explow.c (promote_mode): Likewise.
9903 * tree-sra.c (is_sra_scalar_type): Likewise.
9904 * varasm.c (output_constant): Likewise.
9905 * tree-inline.c (remap_type_1): Likewise.
9906 * convert.c (convert_to_pointer, convert_to_real,
9907 convert_to_integer, convert_to_complex): Likewise.
9909 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9911 * df-scan.c (df_def_record_1): A set destination may
9912 be a parallel regardless of mode.
9914 2006-02-08 Roger Sayle <roger@eyesopen.com>
9917 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9918 * config/mips/_tilib.c: Remove.
9919 * config/fixtfdi.c: New libgcc source file.
9920 * config/fixunstfdi.c: New source file.
9921 * config/floatditf.c: New source file.
9922 * config/floatunditf.c: New souce file.
9923 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9924 files above instead of config/mips/_tilib.c.
9925 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9927 2006-02-08 Jeff Law <law@redhat.com>
9929 PR tree-optimization/26169
9930 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9933 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9935 * df.h (DF_REG_SIZE): Return the length of the initialized
9938 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9940 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9941 __muldf3): Return a correctly signed zero.
9943 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9945 * passes.c (register_one_dump_file): Accept the current properties
9946 instead of pass number. Adjust call to dump_register. Remove
9948 (register_dump_files): Now a wrapper around...
9949 (register_dump_files_1): ... this one. Do not modify the pass
9951 (next_pass_1): Cosmetic fix.
9952 (execute_todo): Keep second parameter only. Use curr_properties
9953 instead of fetching it from the pass structure. Check and set
9955 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9956 instead of fetching it from the pass structure. Fix calls to
9957 execute_todo. Update curr_properties and initialize .vcg RTL dump
9958 after running the pass. Reset last_verified.
9959 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9961 (FIRST_AUTO_NUMBERED_DUMP): New.
9962 (dump_register): Remove "num" parameter, assign it within the
9964 (get_dump_file_name): Modify template for dumps.
9965 * tree-dump.h (dump_register): Adjust prototype.
9966 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9967 (PROP_trees): Add PROP_gimple_lomp.
9968 (TODO_set_props): New.
9969 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9970 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9971 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9973 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9975 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9976 (sparc64-*-linux*): Likewise.
9977 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9978 * config/sparc/t-linux: New file.
9979 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9980 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9981 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9982 -m32 -mlong-double-128.
9984 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9985 * config/alpha/t-linux: New file.
9986 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9988 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9989 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9990 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9991 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9992 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9993 (CPP_ARCH32_SPEC): Remove.
9995 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9997 PR tree-optimization/26145
9998 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10001 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10004 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10005 >= 240000 when generating code for SOM runtime.
10006 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10007 to $$dyncall when generating code for SOM runtime..
10009 2006-02-07 Dirk Mueller <dmueller@suse.com>
10012 * doc/invoke.texi (-Wsequence-point): Update documentation
10013 that -Wsequence-point is implemented for C++ as well.
10015 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10017 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10018 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10019 (LIB_SPEC): Likewise.
10020 * doc/invoke.texi (SPARC options): Document -pthread.
10022 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10024 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10027 2006-02-07 Roger Sayle <roger@eyesopen.com>
10029 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10030 Correct comment describing BOOLEAN_TYPE.
10032 2006-02-07 Dirk Mueller <dmueller@suse.com>
10034 * c.opt: C++ frontend supports -Wdiv-by-zero.
10035 * c-opts.c (c_common_handle_option): Remove dead case.
10037 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10039 * configure.ac (TLS assembler check): Do not enable TLS by
10040 default on SPARC/Solaris before version 10.
10041 * configure: Regenerate.
10043 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10045 * doc/invoke.texi (xl-compat): Document conversion and support
10048 2006-02-07 Jeff Law <law@redhat.com>
10050 * tree-vrp.c (find_conditional_asserts): Update comments.
10051 (simplify_stmt_for_jump_threading): New.
10052 (identify_jump_threads, finalize_jump_threads): New.
10053 (vrp_finalize): Call identify_jump_threads.
10054 (execute_vrp): Call finalize_jump_threads.
10055 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10056 (vrp_element, vrp_data, vrp_element_p): Remove.
10057 (vrp_hash_elt, vrp_variables_stack): Remove.
10058 (vrp_hash, vrp_eq, record_range): Remove.
10059 (simplify_cond_and_lookup_avail_expr): Remove.
10060 (extract_range_from_cond): Remove.
10061 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10062 (simplify_stmt_for_jump_threading): New.
10063 (dom_thread_across_edge): New wrapper.
10064 (tree_ssa_dominator_optimize): No longer initialize or
10065 finalize any of the VRP datastructures. Remove iteration
10066 step and simplify as a result of removal of iteration step.
10067 (pass_dominator): Perform a cfg cleanup after DOM.
10068 (dom_opt_finalize_block): Use the new common routines
10069 for threading jumps. Simplify stack management slightly.
10070 No longer need to unwind VRP state.
10071 (record_equivalences_from_incoming_edge): No longer record
10073 (eliminate_redundant_computations): No longer call
10074 simplify_cond_and_lookup_avail_expr.
10075 * tree-flow.h (potentially_threadable_block): Prototype.
10076 (thread_across_edge): Likewise.
10077 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10078 (tree-ssa-threadedge.o): Add dependencies.
10079 * tree-ssa-threadedge.c: New file.
10080 * passes.c (init_optimization_passes): Merge PHIs before
10081 calling VRP. Run VRP again late in the SSA optimization pipeline.
10083 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10085 * df-core.c (df_set_blocks): Do not dereference function pointers.
10086 (df_finish1): Likewise.
10087 (df_hybrid_search_forward): Likewise.
10088 (df_hybrid_search_backward): Likewise.
10089 (df_iterative_dataflow): Likewise.
10090 (df_analyze_problem): Likewise.
10091 (df_compact_blocks): Likewise.
10092 (df_dump): Likewise.
10093 * df-scan.c (df_rescan_blocks): Likewise.
10094 (df_record_entry_block_defs): Likewise.
10096 * genconditions.c (write_conditions): Guard the definition of
10097 'insn_conditions' with the check on GCC version.
10098 (write_writer): Guard the traversal 'insn_conditions' with
10099 the check on GCC version.
10101 2006-02-07 Richard Guenther <rguenther@suse.de>
10105 2006-01-30 Richard Guenther <rguenther@suse.de>
10107 * gimplify.c (gimplify_target_expr): Handle easy cases
10108 without creating a temporary.
10110 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10112 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10113 use of float in probability computations. Use edge probabilities
10114 in place of statically computed probabilities.
10115 (min_spec_prob): New static variable.
10116 (schedule_insns): Initialize it.
10117 (GET_SRC_PROB): Removed.
10118 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10120 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10123 * config/ia64/unwind-ia64.c: Revert last change.
10124 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10125 (INCOMING_FRAME_SP_OFFSET): Define.
10127 2006-02-06 Roger Sayle <roger@eyesopen.com>
10129 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10131 2006-02-07 Ben Elliston <bje@au.ibm.com>
10133 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10134 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10135 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10136 (ix86_return_in_memory): Handle TDmode.
10137 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10138 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10140 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10142 * reorg.c (dbr_schedule): Use dump_file instead of file.
10144 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10147 * config/ia64/predicates.md (extr_len_operand): New predicate.
10148 * config/ia64/ia64.md (extv): Tighten constraints.
10150 (*tbit_and_2): Ditto.
10151 (*tbit_and_3): Ditto.
10152 (*tbit_or_2): Ditto.
10153 (*tbit_or_3): Ditto.
10154 (*bit_zero): Ditto.
10157 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10160 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10162 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10164 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10165 loop_optimizer_init and loop_optimizer_finalize
10166 * tree-ssa-sink.c (execute_sink_code): Ditto.
10167 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10168 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10169 tree_ssa_loop_done): Ditto.
10170 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10171 * sched-ebb.c: Include output.h.
10172 (schedule_ebbs): Do not use dump argument.
10173 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10174 * loop.c (loop_dump_stream): Removed.
10175 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10177 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10178 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10179 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10180 loop_iterations, strength_reduce, record_biv, record_giv,
10181 final_giv_value, check_final_value, check_ext_dependent_givs,
10182 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10183 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10184 dump_file instead of loop_dump_stream.
10185 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10186 argument dump_file.
10187 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10189 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10190 * haifa-sched.c: Include output.h
10191 (schedule_insns, sched_init): Do not use dump argument.
10192 * mode-switching.c (optimize_mode_switching): Ditto.
10193 * modulo-sched.c (stats_file): Removed.
10194 (print_node_sched_params): Do not call argument dump_file.
10195 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10196 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10198 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10200 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10201 rtl_loop_init, rtl_loop_done): Ditto.
10202 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10203 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10205 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10206 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10207 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10208 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10209 * emit-rtl.c (renumber_insns): Ditto.
10210 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10211 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10212 * regclass.c (regclass): Ditto.
10213 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10214 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10215 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10216 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10218 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10219 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10221 * gcse.c (gcse_file, debug_stderr): Removed.
10222 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10223 rest_of_handle_gcse): Do not use dump argument.
10224 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10225 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10226 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10227 compute_code_hoist_vbeinout, compute_code_hoist_data,
10228 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10229 compute_store_table, build_store_vectors, insert_insn_start_bb,
10230 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10231 store_motion): Use dump_file instead of gcse_file.
10232 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10233 * profile.c (profile_dump_file): Removed.
10234 (branch_prob): Use dump_file instead of profile_dump_file.
10235 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10237 * tree-ssa-copy.c (dump_copy_of): Ditto.
10238 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10239 dump file to life_analysis.
10240 * bt-load.c (branch_target_load_optimize): Ditto.
10241 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10243 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10244 regclass, dbr_schedule): Declaration changed.
10245 * sched-int.h (sched_init): Declaration changed.
10246 * tree-profile.c (tree_profile_dump_file): Removed.
10247 (tree_profile_hooks): Removed profile_dump_file hook.
10248 * rtl-profile (rtl_profile_dump_file): Removed.
10249 (rtl_profile_hooks): emoved profile_dump_file hook.
10250 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10252 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10253 * tree-cfg.c (build_tree_cfg): Ditto.
10254 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10255 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10256 Declaration changed.
10257 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10258 life_analysis and schedule_insns.
10259 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10261 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10263 * config/mips/mips.c (mips_reorg): Ditto.
10264 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10267 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10269 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10270 (s390_mangle_fundamental_type): New.
10271 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10274 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10275 (alpha_mangle_fundamental_type): New.
10276 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10279 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10281 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10283 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10284 (sparc_mangle_fundamental_type): New.
10286 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10288 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10289 (s390x-*-linux*): Likewise.
10290 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10291 * config/s390/t-linux: New file.
10293 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10295 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10296 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10298 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10300 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10301 (ANTIC_SAFE_LOADS): New macro.
10302 (find_or_generate_expression): Add prototype.
10303 (set_contains_value): Allow null set for sake of not always having
10304 to allocate ANTIC_SAFE_LOADS.
10305 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10306 Allow COMPONENT_REF too.
10307 (valid_in_set): Allow COMPONENT_REF.
10308 Check ANTIC_SAFE_LOADS too.
10309 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10310 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10312 (can_PRE_operation): Add COMPONENT_REF.
10313 (create_component_ref_by_pieces): New function.
10314 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10315 (insert_aux): Move AGGREGATE_TYPE_P check here.
10316 (compute_avail): Set bb local stmt uids.
10317 (pass_pre): Use TODO_update_ssa_only_virtuals.
10319 2006-02-06 Ben Elliston <bje@au.ibm.com>
10321 * configure.ac: Unconditionally disable decimal float by default.
10322 * configure: Regenerate.
10324 2006-02-06 Ben Elliston <bje@au.ibm.com>
10326 * read-rtl.c (read_name): Terminate reading on EOF.
10328 2006-02-06 Ben Elliston <bje@au.ibm.com>
10330 * dfp.c (decimal_real_arithmetic): Change second argument type
10331 from int to enum tree_code. Do not always return true, but now
10332 return result of any call to decimal_do helper functions.
10333 * dfp.h (decimal_real_arithmetic): Update prototype.
10335 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10337 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10339 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10342 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10345 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10347 * tree-vrp.c (cfg_loops): Removed.
10348 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10349 Use current_loops instead of cfg_loops. Pass flags to
10350 loop_optimizer_init.
10351 * cfgloopmanip.c (fix_loop_structure): Update only available
10353 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10354 loop_optimizer_init.
10355 * modulo-sched.c (build_loops_structure): Removed.
10356 (sms_schedule): Use loop_optimizer_init.
10357 * loop-init.c (loop_optimizer_init): Use flags to determine
10358 which properties of loops to prepare.
10359 (rtl_loop_init): Pass flags to loop_optimizer_init.
10360 * tree-ssa-sink.c (execute_sink_code): Ditto.
10361 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10362 * tree-ssa-pre.c (init_pre): Ditto.
10363 * cfgloop.h (LOOPS_NORMAL): New.
10364 (loop_optimizer_init): Declaration changed.
10366 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10368 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10369 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10371 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10373 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10375 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10376 * pa/t-pa64: Delete quadlib.c rule.
10377 * pa/x-ada: Revert last change.
10378 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10380 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10382 PR rtl-optimization/26087
10383 * rtlanal.c (canonicalize_condition): Do not cross basic block
10386 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10389 * config/ia64/ia64.c: Include debug.h.
10390 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10391 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10392 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10393 (process_epilogue, process_set, process_for_unwind_directive):
10394 Output unwind info only if requested. Add CFA info if requested.
10395 Add new arguments as needed. Adjust callers.
10396 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10398 (DWARF2_FRAME_INFO): Define to zero.
10399 * config/ia64/unwind-ia64.c: Remove code that compensated for
10400 the CFA offset error fixed above.
10401 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10402 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10403 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10404 -funwind-tables and -fexceptions to enable frame info.
10405 (dwarf2out_frame_init): Define initial CFA even if
10406 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10407 DWARF2_UNWIND_INFO is nonzero, not just defined.
10408 (dwarf2out_frame_finish): Output non-EH call frame info only
10409 if DWARF2_FRAME_INFO is nonzero.
10410 (convert_cfa_to_loc_list,
10411 compute_frame_pointer_to_cfa_displacement): Define even if
10412 unwind info is not supported.
10413 (gen_subprogram_die): Use the above unconditionally. Remove
10414 legacy alternate code.
10415 * toplev.c (compile_file): Compile in call to
10416 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10417 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10419 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10420 Jakub Jelinek <jakub@redhat.com>
10422 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10423 IBM extended float format long double as "g" on powerpc*-linux.
10425 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10428 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10429 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10431 2006-02-03 Jason Merrill <jason@redhat.com>
10434 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10436 PR middle-end/25977
10437 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10438 on the return slot if it's an NRV.
10440 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10442 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10443 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10444 rewrite_use): Do not handle USE_OUTER.
10445 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10446 add_iv_outer_candidates, may_replace_final_value,
10447 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10448 (find_interesting_uses_op): Functionality of
10449 find_interesting_uses_outer_or_nonlin moved here.
10450 (find_interesting_uses_outside): Use find_interesting_uses_op.
10452 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10455 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10457 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10458 Ulrich Weigand <uweigand@de.ibm.com>
10461 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10462 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10463 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10464 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10466 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10467 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10468 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10469 Define secondary reloads for TFmode moves.
10470 (constant_modes): Add TFmode.
10471 (NR_C_MODES): Set to 8.
10472 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10474 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10475 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10476 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10477 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10478 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10479 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10480 (FPR mode macro): Add TFmode.
10481 (DSF mode macro): New.
10482 (<de>, <dee> mode attributes): Removed.
10483 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10484 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10485 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10486 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10487 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10488 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10489 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10490 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10491 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10492 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10493 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10494 "*negabs<mode>2", "sqrt<mode>2"):
10495 Changed <de> to <xde>. R constraint replaced by <Rf>.
10496 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10498 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10499 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10500 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10502 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10503 "extenddftf2", "extendsftf2"): New expanders.
10504 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10505 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10506 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10507 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10509 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10510 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10511 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10512 __floatditf): Add a GCC_4.1.0 symbol version tag.
10513 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10516 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10519 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10520 Use targetm.binds_local_p instead of TREE_PUBLIC.
10522 2006-02-02 Roger Sayle <roger@eyesopen.com>
10524 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10525 on INTEGER_TYPEs to indicate that it denotes a character type.
10526 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10527 signed_char_type_node, unsigned_char_type_node and char_type_node.
10528 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10529 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10530 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10532 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10533 Daniel Berlin <dberlin@dberlin.org>
10535 * tree-tailcall.c (arg_needs_copy_p): New function.
10536 (eliminate_tail_call): Use arg_needs_copy_p.
10537 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10538 (add_virtual_phis): New function.
10540 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10542 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10543 #ignore instead of #scratch for %g7 .register directive.
10545 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10547 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10550 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10552 * flow.c (calculate_global_regs_live): Assert that there aren't any
10555 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10557 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10558 what its name says.
10559 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10560 bsi_after_labels iterator.
10561 * tree-if-conv.c (find_phi_replacement_condition,
10562 replace_phi_with_cond_modify_expr): Likewise.
10563 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10564 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10566 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10568 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10570 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10573 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10574 array after growing it.
10576 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10578 PR middle-end/24901
10579 * fold-const.c (fold_checksum_tree): Change type of buf.
10581 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10583 * reload.c (push_secondary_reload): Initialize t_icode.
10585 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10587 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10588 -msoft-float -mlong-double-128 only issue a warning, but don't
10589 swich to DFmode long double.
10591 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10593 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10594 has a constant equivalent, iterate over equivalents for arg0,
10595 calling simplify_relational_operation and if there's a result
10596 cheaper than X, apply fold_rtx and return the result.
10598 2006-02-01 Jan Hubicka <jh@suse.cz>
10600 * opts.c (no_unit_at_a_time_default): New global variable.
10601 (decode_options): Use it.
10602 * opts.h (no_unit_at_a_time_default): Declare.
10604 2006-02-01 Paul Brook <paul@codesourcery.com>
10606 * function.c (assign_parm_setup_reg): Use function argument promotion
10608 * expr.c (expand_expr_real_1): Use function argument promotion rules
10611 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10613 * gcc.c (process_command): Change j to 'unsigned int'.
10615 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10617 PR middle-end/26001
10618 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10619 Use the corrected index for the character
10620 out of the string constant.
10622 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10624 * mode-switching.c (optimize_mode_switching): Fix size
10625 allocated for bb_info[n_entities].
10627 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10629 * gcc.c (main): Correct type that is allocated for
10630 explicit_link_files.
10632 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10634 * config/s390/s390.c (init_alignment_context): Set
10635 ALIAS_SET_MEMORY_BARRIER on the MEM.
10636 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10638 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10640 PR middle-end/25933
10641 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10643 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10646 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10648 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10649 * regrename.c: Ditto.
10650 * tree-ssa-loop-im.c: Ditto.
10651 * tree-dump.c: Ditto.
10652 * tree-complex.c: Ditto.
10653 * genrecog.c: Ditto.
10654 * tree-ssa-threadupdate.c: Ditto.
10656 * java/class.c: Ditto.
10657 * java/jcf-parse.c: Ditto.
10658 * java/resource.c: Ditto.
10659 * java/except.c: Ditto.
10660 * java/jvspec.c: Ditto.
10661 * java/jcf-write.c: Ditto.
10662 * java/jcf-path.c: Ditto.
10663 * java/gjavah.c: Ditto.
10664 * java/zextract.c: Ditto.
10665 * java/jcf-io.c: Ditto.
10666 * java/jcf.h: Ditto.
10667 * java/buffer.c: Ditto.
10668 * java/lang.c: Ditto.
10669 * java/parse-scan.y: Ditto.
10670 * java/lex.c: Ditto.
10671 * java/lex.h: Ditto.
10672 * cfgloopmanip.c: Ditto.
10673 * postreload-gcse.c: Ditto.
10674 * tree-ssa-loop-manip.c: Ditto.
10675 * postreload.c: Ditto.
10676 * tree-ssa-loop-ch.c: Ditto.
10679 * cppspec.c: Ditto.
10680 * diagnostic.c: Ditto.
10682 * genoutput.c: Ditto.
10684 * cfghooks.c: Ditto.
10685 * cfgloopanal.c: Ditto.
10686 * objc/objc-act.c: Ditto.
10688 * genextract.c: Ditto.
10689 * genautomata.c: Ditto.
10690 * pretty-print.c: Ditto.
10691 * genemit.c: Ditto.
10692 * cgraphunit.c: Ditto.
10694 * df-scan.c: Ditto.
10695 * haifa-sched.c: Ditto.
10696 * dominance.c: Ditto.
10698 * tree-ssa-loop-ivopts.c: Ditto.
10699 * df-core.c: Ditto.
10700 * mode-switching.c: Ditto.
10701 * modulo-sched.c: Ditto.
10703 * ipa-pure-const.c: Ditto.
10705 * fix-header.c: Ditto.
10707 * tree-stdarg.c: Ditto.
10708 * ipa-utils.c: Ditto.
10709 * loop-init.c: Ditto.
10710 * ipa-inline.c: Ditto.
10711 * cfganal.c: Ditto.
10713 * alloc-pool.c: Ditto.
10714 * dwarf2out.c: Ditto.
10716 * genattrtab.c: Ditto.
10717 * tree-ssa-loop-ivcanon.c: Ditto.
10718 * predict.c: Ditto.
10719 * timevar.c: Ditto.
10721 * fortran/gfortranspec.c: Ditto.
10722 * regmove.c: Ditto.
10723 * local-alloc.c: Ditto.
10724 * langhooks.c: Ditto.
10725 * function.c: Ditto.
10726 * tree-vectorizer.c: Ditto.
10728 * ipa-type-escape.c: Ditto.
10730 * tree-if-conv.c: Ditto.
10731 * profile.c: Ditto.
10733 * tree-data-ref.c: Ditto.
10734 * loop-unroll.c: Ditto.
10735 * treelang/treetree.c: Ditto.
10737 * bt-load.c: Ditto.
10738 * ggc-common.c: Ditto.
10740 * coverage.c: Ditto.
10742 * tree-cfgcleanup.c: Ditto.
10743 * tree-ssa-pre.c: Ditto.
10744 * cfgcleanup.c: Ditto.
10745 * loop-invariant.c: Ditto.
10746 * loop-iv.c: Ditto.
10747 * ipa-prop.c: Ditto.
10748 * print-tree.c: Ditto.
10749 * conflict.c: Ditto.
10750 * ggc-page.c: Ditto.
10751 * sched-deps.c: Ditto.
10752 * regclass.c: Ditto.
10753 * tree-object-size.c: Ditto.
10754 * combine.c: Ditto.
10755 * bb-reorder.c: Ditto.
10756 * resource.c: Ditto.
10757 * var-tracking.c: Ditto.
10758 * cfgloop.c: Ditto.
10759 * df-problems.c: Ditto.
10760 * reg-stack.c: Ditto.
10762 * gccspec.c: Ditto.
10763 * sched-rgn.c: Ditto.
10764 * tree-ssa-structalias.c: Ditto.
10765 * tree-ssa-reassoc.c: Ditto.
10766 * config/darwin-c.c: Ditto.
10767 * config/darwin.c: Ditto.
10768 * config/arm/arm.c: Ditto.
10770 * collect2.c: Ditto.
10771 * reload1.c: Ditto.
10773 2006-01-31 Nicolas Pitre <nico@cam.org>
10775 * arm.md (smaxsi3): Make aware of smax_m1.
10778 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10780 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10782 2006-01-31 Richard Guenther <rguenther@suse.de>
10784 * doc/invoke.texi (-msselibm): Document.
10785 * target.h (expand_library_builtin): New target hook.
10786 * builtins.c (expand_builtin): Use expand_library_builtin.
10787 (default_expand_library_builtin): New function.
10788 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10789 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10790 (link_gcc_math_spec): Declare.
10791 (static_specs): Add link_gcc_math_spec.
10792 * expr.h (default_expand_library_builtin): Declare.
10793 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10794 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10795 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10796 * config/i386/i386.opt (msselibm): New target option.
10797 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10798 (ix86_init_sse_abi_builtins): New function.
10799 (ix86_expand_library_builtin): Likewise.
10800 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10801 (override_options): Handle error conditions wrt -msselibm.
10802 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10803 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10804 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10807 2006-01-31 Richard Guenther <rguenther@suse.de>
10808 Paolo Bonzini <bonzini@gnu.org>
10810 * doc/install.texi (--disable-libgcc-math): Document.
10812 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10814 * expr.h (expand_normal): new inline function.
10815 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10816 * dojump.c: use it.
10817 * dwarf2out.c: use it.
10820 * expmed.c: use it.
10821 * except.c: use it.
10822 * config/sparc/sparc.c: use it.
10823 * config/i386/i386.c: use it.
10824 * config/rs6000/rs6000.c: use it.
10825 * config/arm/arm.c: use it.
10826 * config/mips/mips.c: use it.
10827 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10829 2006-01-30 Roger Sayle <roger@eyesopen.com>
10831 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10832 argv to the appropriate type.
10834 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10836 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10839 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10842 * config/s390/s390.c (struct machine_function): New flag
10843 decomposed_literal_pool_addresses_ok_p.
10844 (s390_reorg): Set it before final stage of literal pool transforms.
10845 (s390_decompose_address): Only accept displacements of the form
10846 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10848 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10850 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10851 the comparison routine return.
10853 2006-01-30 Michael Matz <matz@suse.de>
10855 * global.c (find_reg): Only evict for global regs.
10856 Take n_refs into account and dump more info.
10858 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10861 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10862 (pragma_trap, pragma_nosave_low_regs): Likewise.
10863 (current_function_anonymous_args): Likewise.
10864 (sh_deferred_function_attributes): New variable.
10865 (sh_deferred_function_attributes_tail): Likewise.
10866 (print_operand): For '@', look up trap_exit attribute.
10867 (calc_live_regs): Look up trapa_handler attribute. For trapa
10868 handlers, save/restore fpscr, but don't do any other
10869 interrupt-specific saves.
10870 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10871 Fix check for partially saved registers to check for SHmedia.
10872 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10873 (sh_output_function_epilogue): Don't clear any of the removed
10875 (sh_insert_attributes): Don't check pragma_interrupt.
10876 Insert deferred attributes. Check that interrupt attribute is
10877 present for other attributes that require its presence.
10878 (sh_attribute_table): Add new attributes trapa_handler and
10880 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10881 Don't check for pragma_interrupt. Don't store argument.
10882 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10883 (sh_deferred_function_attributes): Declare.
10884 (sh_deferred_function_attributes_tail): Likewise.
10885 * sh.md (sp_switch_1): Add operand. Change generator caller.
10886 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10887 (*return_i): Don't use when trap_exit attribute is in effect.
10888 (*return_trapa): New insn pattern.
10889 * sh-c.c: New file.
10890 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10891 setting c_target_objs and cxx_target_objs.
10892 * t-sh: Add rule for sh-c.o.
10894 2006-01-30 Richard Guenther <rguenther@suse.de>
10897 * gimplify.c (gimplify_target_expr): Handle easy cases
10898 without creating a temporary.
10900 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10902 * vec.h (safe_grow): Remove duplicated line.
10904 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10907 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10908 (expand_omp): ... here.
10909 (expand_omp_parallel): Only remove barriers for combined
10910 parallel+workshare constructs.
10912 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10916 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10917 * tree.c (build_qualified_type): Chain the new type to the original
10918 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10919 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10920 (build_pointer_type_for_mode): Only return unqualified types.
10921 (build_reference_type_for_mode): Likewise.
10923 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10925 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10926 * Makefile.in (CXX_COMPAT_WARN): Define.
10927 * configure: Regenerate.
10929 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10932 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10935 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10937 * toplev.c: Fix thinko.
10939 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10940 Marcin Dalecki <martin@dalecki.de>
10942 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10943 (push_srcloc): Use XNEW.
10944 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10946 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10948 * df-core.c (df_set_blocks): Deleted all variable.
10950 2006-01-28 Ian Lance Taylor <ian@airs.com>
10952 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10953 cgraph_output_pending_asms.
10955 2006-01-28 Zack Weinberg <zackw@panix.com>
10957 * c.opt: Add -W(no-)overlength-strings.
10958 * doc/invoke.texi: Document it.
10959 * c-opts.c (c_common_handle_option): -pedantic implies
10960 -Woverlength-strings, if not explicitly disabled already.
10961 (c_common_post_options): -Woverlength-strings defaults to off, and
10962 is always off for C++.
10963 * c-common.c (fix_string_type): Issue warning about strings longer
10964 than is portable only if warn_overlength_strings. Rearrange code
10965 a little for clarity.
10966 * configure.in: Check for -Wno-overlength-strings as well before
10967 enabling -pedantic in stage 1.
10968 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10969 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10971 * genconditions.c (write_header, write_one_condition)
10972 (write_conditions, write_writer): Consolidate very long strings
10973 that were broken up to fit in C89 portable limit. Don't use
10974 printf when fputs will do.
10976 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10978 * combine.c (simplify_comparison <AND>): Check
10979 TRULY_NOOP_TRUNCATION before start using a subreg.
10981 * config/mips/mips.md (*branch_zero<mode>,
10982 *branch_zero<mode>_inverted, *branch_equality<mode>,
10983 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10984 Remove mode check from comparisons.
10986 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10988 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10990 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10992 * expmed.c (const_mult_add_overflow_p): Remove.
10993 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10995 * recog.c (validate_replace_rtx_subexp): Remove.
10996 * recog.h: Remove the prototype for
10997 validate_replace_rtx_subexp.
10999 * integrate.h: Remove the prototype for
11000 copy_decl_for_inlining.
11001 * rtl.h: Remove the prototype for mark_constant_function.
11002 * tree-vectorizer.h: Remove the prototype for
11003 vect_strip_conversion.
11005 * modulo-sched.c (create_partial_schedule,
11006 free_partial_schedule, reset_partial_schedule): Make them
11009 * hooks.c (hook_bool_rtx_int_false): Remove.
11010 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11012 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11014 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11015 and -mlong-double-128 are incompatible.
11016 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11017 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11018 (TARGET_LIBGCC2_CFLAGS): Define.
11019 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11020 (TARGET_LIBGCC2_CFLAGS): Same.
11021 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11023 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11026 * c-typeck.c (build_binary_op): Perform implicit casts of
11027 operands before shortening them.
11029 * cfgloopmanip.c (split_loop_bb): Remove.
11030 * cfgloop.h: Remove the prototype for split_loop_bb.
11032 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11033 * cfgloop.h: Remove the prototype for
11034 flow_loop_outside_edge_p.
11036 * emit-rtl.c (init_virtual_regs): Make it static.
11037 * function.h: Remove the prototype for init_virtual_regs.
11039 * recog.c (peephole2_optimize): Make it static.
11040 * recog.h: Remove the prototype for peephole2_optimize.
11042 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11044 * df-scan.c (df_record_entry_block_defs): Check if
11045 INCOMING_RETURN_ADDR_RTX is defined.
11047 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11048 Kenneth Zadeck <zadeck@naturalbridge.com>
11050 PR rtl-optimization/24762
11051 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11052 * targhooks.c (hook_void_bitmap): New hook prototype.
11053 * targhoohs.h (hook_void_bitmap): Ditto.
11054 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11055 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11056 * target.h (live_on_entry): New function pointer.
11057 * df-scan.c (df_all_hard_regs): Removed.
11058 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11059 (df_scan_free_internal): Added df->entry_block_defs.
11060 (df_scan_alloc): Ditto.
11061 (df_scan_dump): Ditto.
11062 (df_uses_record): Plumbed flag field properly thru calls.
11063 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11064 This part fixes PR24762.
11065 (df_bb_refs_record): Added code to make the frame and arg
11066 pointers live in EH blocks.
11067 (df_refs_record): Added call to df_record_entry_block_defs.
11068 (df_record_entry_block_defs): New function.
11069 * df-core.c: Added comments to describe new artifical defs.
11070 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11071 (entry_block_defs): New field in struct df.
11072 (df_all_hard_regs): Deleted.
11073 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11074 * df-problems.c (df_ru_bb_local_compute_process_def):
11075 Added code to handle artifical defs in the entry to a function.
11076 (df_ru_bb_local_compute): Ditto.
11077 (df_rd_bb_local_compute_process_def): Ditto.
11078 (df_rd_bb_local_compute): Ditto.
11079 (df_lr_bb_local_compute): Ditto.
11080 (df_ur_bb_local_compute): Ditto.
11081 (df_urec_bb_local_compute): Ditto.
11082 (df_chain_create_bb): Ditto.
11083 (df_ur_local_finalize): Removed entry.
11084 (df_urec_init): Ditto.
11085 (df_urec_local_finalize): Ditto.
11086 (df_ri_bb_compute): Added detection of last use of pseudos.
11087 * Makefile.in (df-scan.o): Updated dependencies.
11088 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11089 * config/mips/mips.c (mips_set_live_on_entry): Added.
11090 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11092 * dce.c (marked_insn_p): Added code to handle artifical defs.
11094 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11096 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11098 (_mm_cvtsi128_si64): Likewise.
11099 (_mm_cvtsd_si64): Likewise.
11100 (_mm_cvttsd_si64): Likewise.
11101 (_mm_cvtsi64_sd): Likewise.
11102 (_mm_cvtsi64_si128): Likewise.
11103 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11104 (_mm_cvtsi64_m64): Likewise.
11105 (_m_to_int64): Likewise.
11106 (_mm_cvtm64_si64): Likewise.
11107 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11108 (_mm_cvttss_si64): Likewise.
11109 (_mm_cvtsi64_ss): Likewise.
11110 (_mm_cvtss_f32): Likewise.
11112 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11114 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11115 for pragma redefine_extname.
11117 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11120 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11121 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11122 -mno-minimal-toc to previous content.
11123 (bispecs): Remove goal.
11124 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11125 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11126 compatibility aliases on powerpc-*-*gnu*.
11127 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11128 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11129 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11130 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11131 (ldblspecs): New goal.
11132 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11133 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11135 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11136 L_sf_to_tf or L_df_to_tf is defined.
11138 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11139 Alan Modra <amodra@bigpond.net.au>
11142 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11143 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11144 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11145 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11146 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11147 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11148 (rs6000_override_options): Initialize rs6000_ieeequad.
11149 Initialize TFmode format to ibm_extended_format if not
11151 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11153 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11154 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11155 (function_arg_advance): IBM long double passed in two FPRs, not
11157 (function_arg): IBM long double passed in FPRs.
11158 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11159 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11160 Only multireg GPR aligned.
11161 (rs6000_init_libfuncs): Enable IBM long double functions if not
11163 (rs6000_generate_compare): Use IBM long double compare if not
11165 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11166 (TARGET_IEEEQUAD): Define.
11167 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11168 not TARGET_IEEEQUAD.
11169 * config/rs6000/rs6000.md: Enable TFmode patterns if
11171 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11172 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11173 and -mlong-double-128 are incompatible.
11174 * doc/invoke.texi (-mabi): Collect options together. Add
11175 ibmlongdouble and ieeelongdouble.
11177 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11179 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11181 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11182 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11183 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11184 * rtl.h (rtunion_def): Remove rt_ptr.
11186 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11187 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11188 * config/i386/winnt.c (i386_pe_mark_dllexport)
11189 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11191 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11193 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11195 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11199 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11200 pthread_key_delete. From John David Anglin. gthrw-ify
11201 pthread_getunique_np only if it it's not a macro. Delete
11203 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11204 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11205 __gthread_objc_condition_signal, __gthread_key_delete): Add
11206 "__attribute__ ((__unused__))" to unused arguments.
11207 (__gthread_recursive_mutex_init_function): Add missing return.
11208 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11209 gthr-posix95.h: Use macro-based approach for name redirection
11210 on targets missing weakref.
11212 2006-01-26 Zack Weinberg <zackw@panix.com>
11214 * genconditions.c (write_header): In generated code, #ifdef out
11215 all includes and fake declarations, except includes of bconfig.h
11216 and system.h, unless GCC_VERSION >= 3001. Do not include
11217 gensupport.h in any case.
11218 (write_conditions): Generate a definition of struct c_test. Add
11219 a comment to the generated #endif.
11220 (write_one_condition): Escape backslashes in string too.
11221 (write_writer): Generated code must escape backslashes and quote
11222 marks (but not newlines) in the strings it writes.
11223 * Makefile.in (build/gencondmd.o): Update dependencies.
11225 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11228 * Makefile.in (insn-automata.o): Add header file dependencies.
11229 * genautomata.c: Add includes.
11231 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11234 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11236 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11238 * configure.ac: Expect target tools paths to be passed from the toplevel
11239 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11241 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11243 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11246 * c.opt (Wpointer-sign): Init to -1.
11247 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11248 OPT_pedantic, to 0 otherwise.
11249 * doc/invoke.texi: Update.
11251 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11253 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11254 constants provided by 80387 instructions in the destination mode.
11256 2006-01-26 Richard Guenther <rguenther@suse.de>
11257 Andrew Pinski <pinskia@physics.uc.edu>
11260 partial PR tree-opt/17064
11261 * tree-ssa-structalias.c (intra_create_variable_infos):
11262 Create heap variables for incoming parameters if
11263 flag_argument_noalias > 1.
11264 (find_what_p_points_to): Look through default defs of
11267 2006-01-26 Jeff Law <law@redhat.com>
11270 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11271 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11272 within the VR_RANGE, use the VR_RANGE as the result, not the
11274 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11275 bounds for the type.
11277 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11279 * tree-ssa-alias.c (maybe_create_global_var): Change
11280 subvar walking to an assertion that we don't have subvar'd variables.
11282 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11285 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11286 Use a new variable, inner. PARM_DECLs are always non-weak.
11288 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11290 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11291 --disable-checking.
11293 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11295 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11297 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11299 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11300 (smax_insn, smin_insn, smax_0, smin_0): New.
11302 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11305 * config/cris/cris.c (cris_order_for_addsi3): New function.
11306 * config/cris/cris-protos.h: Prototype it.
11307 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11308 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11309 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11310 (split for "op.S1 [rx=rx+i],ry (swapped)")
11311 (split for "op(s|u).S1 [rx=rx+i],ry")
11312 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11313 Apply cris_order_for_addsi3 when generating addsi3 insns.
11315 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11317 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11318 (TREE_BLOCK): Add call to EXPR_CHECK.
11320 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11323 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11324 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11325 (dump_omp_clauses): ... here.
11326 (dump_generic_node): Handle OMP_CLAUSE.
11327 * tree.c (omp_clause_num_ops): New.
11328 (omp_clause_code_name): New.
11329 (tree_code_size): Handle OMP_CLAUSE.
11330 (tree_size): Likewise.
11331 (make_node): Document handling of OMP_CLAUSE.
11332 (tree_node_structure): Handle OMP_CLAUSE.
11333 (omp_clause_check_failed): New.
11334 (omp_clause_range_check_failed): New.
11335 (omp_clause_operand_check_failed): New.
11336 (build_omp_clause): New.
11337 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11338 * tree.h (enum omp_clause_code): Declare.
11339 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11340 (OMP_CLAUSE_RANGE_CHECK): Define.
11341 (OMP_CLAUSE_ELT_CHECK): Define.
11342 (omp_clause_check_failed): Declare.
11343 (omp_clause_operand_check_failed): Declare.
11344 (omp_clause_range_check_failed): Declare.
11345 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11346 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11347 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11348 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11349 (OMP_CLAUSE_IF_EXPR): Likewise.
11350 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11351 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11352 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11353 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11354 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11355 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11356 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11357 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11358 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11359 (OMP_CLAUSE_CODE): Define.
11360 (OMP_CLAUSE_SET_CODE): Define.
11361 (OMP_CLAUSE_CODE): Define.
11362 (OMP_CLAUSE_OPERAND): Define.
11363 (struct tree_omp_clause): Declare.
11364 (union tree_node): Add field 'omp_clause'.
11365 * treestruct.def (TS_OMP_CLAUSE): Define.
11366 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11367 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11368 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11369 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11370 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11371 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11372 (OMP_CLAUSE): Define.
11373 * print-tree.c (print_node): Handle OMP_CLAUSE.
11374 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11375 * c-typeck.c: Likewise.
11376 * gimplify.c: Likewise.
11377 * c-omp.c: Likewise.
11378 * tree-nested.c: Likewise.
11379 * tree-inline.c: Likewise.
11380 * c-parser.c: Likewise.
11381 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11384 2006-01-25 Roger Sayle <roger@eyesopen.com>
11386 PR rtl-optimization/25703
11387 * combine.c (try_combine): Handle zero_extract and strict_low_part
11388 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11390 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11392 * global.c: Fix comment typos.
11394 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11397 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11398 Use output_addr_const instead of assemble_name.
11400 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11402 * Makefile.in (sched-vis.o): Update dependencies.
11403 * haifa-sched.c (sched_finish): Clear current_sched_info.
11404 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11405 (dump_flow_info): Call it.
11406 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11408 * basic-block.h (dump_bb_info): Declare.
11409 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11410 option, and apply options only for dump files whose TDF_RTL,
11411 TDF_TREE, or TDF_IPA bits match.
11412 * rtl.h: Declare new functions exported from sched-vis.c.
11413 * sched-vis.c: Enable also if scheduling is not used.
11414 (print_value): Print the mode of registers if not inside scheduling.
11415 (print_insn): Make it work outside the scheduler. Beautify the output
11417 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11419 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11421 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11422 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11423 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11424 depending on the value of CONSTANT_POOL_ADDRESS_P.
11425 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11427 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11428 rather than SYMBOL_REF_DECL.
11429 (rtx_constant_pool): Remove const_rtx_sym_htab.
11430 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11431 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11432 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11433 Remove handling of const_rtx_sym_htab.
11434 (find_pool_constant): Delete.
11435 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11436 rather than find_pool_constant.
11437 (get_pool_constant_for_function): Delete.
11438 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11439 find_pool_constant.
11440 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11441 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11442 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11443 (SYMBOL_REF_CONSTANT): New macro.
11444 (get_pool_constant_for_function): Delete.
11445 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11446 rather than SYMBOL_REF_DECL.
11447 (i386_pe_mark_dllimport): Likewise.
11448 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11449 rather than SYMBOL_REF_DECL.
11450 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11451 (machopic_indirect_call_target): Likewise.
11453 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11455 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11457 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11459 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11461 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11463 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11465 2006-01-24 David Daney <ddaney@avtrex.com>
11468 * configure.ac (enable_tls): New enable option.
11469 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11470 * configure: Regenerate.
11471 * doc/install.texi (--enable-tls): Document new option.
11472 (--disable-tls): Ditto.
11474 2006-01-24 Richard Henderson <rth@redehat.com>
11476 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11477 * alias.c (true_dependence): Respect it.
11478 (canon_true_dependence, write_dependence_p): Likewise.
11479 * builtins.c (get_builtin_sync_mem): Set it.
11481 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11483 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11486 2006-01-24 DJ Delorie <dj@redhat.com>
11488 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11489 for storing constants in single-bit bitfields.
11491 2006-01-25 Ben Elliston <bje@au.ibm.com>
11493 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11495 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11498 * tree-ssa-pre.c (phi_translate): Return NULL
11499 for AGGREGATE_TYPE's.
11501 2006-01-24 Zack Weinberg <zackw@panix.com>
11503 * genautomata.c (process_state_for_insn_equiv_partition):
11504 Use xcalloc for insn_arcs_array.
11505 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11506 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11508 2006-01-24 Richard Henderson <rth@redhat.com>
11510 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11511 update all callers.
11513 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11515 PR rtl-optimization/25890
11516 PR rtl-optimization/25905
11517 * combine.c (expand_compound_operation, expand_field_assignment):
11518 Fail if the bitfield's final position is out of bounds.
11520 2006-01-24 Ian Lance Taylor <ian@airs.com>
11522 PR middle-end/25930
11523 * cgraphunit.c (cgraph_output_in_order): Don't clear
11524 cgraph_asm_nodes until after asm strings have been output.
11526 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11528 * fix-header.c (read_scan_file): Add new parameter imultilib when
11529 calling register_include_chains.
11531 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11533 * omp-low.c: Update documentation.
11535 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11536 Daniel Berlin <dberlin@dberlin.org>
11540 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11541 return from the function.
11543 2006-01-22 Zack Weinberg <zackw@panix.com>
11545 * rtl.def (match_code): Add second argument.
11546 * genpreds.c (write_extract_subexp): New function.
11547 (write_match_code): Add path argument. Use write_extract_subexp.
11548 (write_predicate_expr): Pass path to write_match_code.
11549 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11550 not perform a mode test.
11551 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11552 a subexpression does not constrain the top-level code set.
11553 * read-rtl.c (read_rtx_variadic): New function.
11554 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11555 * doc/md.texi: Document new notation.
11556 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11557 (cmpsi_operand): ... here, using new notation.
11559 2006-01-22 Zack Weinberg <zackw@panix.com>
11561 * varray.c: Remove GENERATOR_FILE #ifdefs.
11563 2006-01-22 Zack Weinberg <zackw@panix.com>
11565 * genautomata.c (output_reserved_units_table): Emit nothing if
11566 description->query_units_num is zero. Remove extra blank line.
11567 (output_cpu_unit_reservation_p): Short circuit
11568 if description->query_units_num is zero.
11570 2006-01-22 Zack Weinberg <zackw@panix.com>
11572 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11573 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11574 nor any of the random handful of variables that used to be necessary
11575 when this program was linked with rtlanal.o. Prune set of forward
11576 function declarations.
11577 (struct attr_desc): Remove static_p field.
11578 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11579 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11580 (attr_string): Do not read the character one past the length of
11582 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11583 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11584 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11585 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11586 (make_automaton_attrs): New.
11587 (main): Do not call into genautomata. Call local gen_bypass
11588 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11589 Remove special case for insn_alts.
11590 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11591 varray.h (leftover from previous change). Prune set of forward
11592 function declarations. Remove state_alts fields from all
11593 structures. Remove state_alts_table from struct automaton.
11594 Make everything except main static. Do not maintain num_dfa_decls.
11595 Do not maintain state_alts fields of various structures.
11596 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11597 (add_arc): Remove state_alts argument. All callers updated.
11598 (output_reserved_units_table): Emit #ifdef here...
11599 (output_tables): ...not here. Don't generate state_alts tables.
11600 (expand_automata): Don't generate attributes.
11601 (write_automata): Don't generate state_alts functions.
11602 (main): New function.
11603 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11604 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11605 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11606 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11607 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11608 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11609 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11610 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11612 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11613 * genattrtab.h: Delete file.
11614 * Makefile.in (OBJS-common): Add insn-automata.o.
11615 (insn-automata.o): New rule.
11616 (simple_generated_c): Add insn-automata.c.
11617 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11618 (genprogmd): Add automata.
11619 (build/genattrtab): Needs no extra objects nor libraries.
11620 (build/genautomata): Needs build/vec.o and -lm.
11622 2006-01-22 Zack Weinberg <zackw@panix.com>
11624 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11625 (output_dfa_max_issue_rate, locked_states_num): Delete.
11626 (struct automaton): Add locked_states field.
11627 (output_dead_lock_vect): Save number of locked states in
11628 automaton->locked_states. If it is zero, don't print anything.
11629 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11630 (output_internal_dead_lock_func): Only test the dead_lock_vect
11631 for automata that have locked states.
11632 (output_statistics): Always print the number of locked states for
11633 each automaton. Calculate total number of locked states here.
11634 (write_automata): Don't call output_dfa_max_issue_rate.
11635 * genattrtab.c: Define length_unit_log as a const variable.
11636 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11637 max_insn_queue_index const.
11638 * final.c (length_unit_log): Declare const.
11639 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11641 2006-01-22 Zack Weinberg <zackw@panix.com>
11643 * genautomata.c: Include vec.h, not varray.h.
11644 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11645 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11646 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11647 VEC_* macros operating on appropriately typed vectors, or to
11648 malloced arrays when the size is known in advance. Const-ify
11649 many char* variables and function arguments. No functional changes.
11650 * Makefile.in (build/varray.o): Delete rule.
11651 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11652 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11654 2006-01-22 Zack Weinberg <zackw@panix.com>
11656 * gensupport.c: Define get_insn_name and record_insn_name here.
11657 (read_md_rtx): Call record_insn_name as appropriate.
11658 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11659 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11660 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11662 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11663 (BUILD_VARRAY): Delete.
11664 (genprognormal): Rename genprogmd. Fold in all programs from
11665 genprognoprint; also attrtab.
11666 (build/genattrtab): Just mention genautomata.o and varray.o.
11667 Reorganize a bit, add comments to make the categories clearer.
11669 2006-01-22 Zack Weinberg <zackw@panix.com>
11671 * genconditions.c (condition_table, add_condition): Delete.
11672 (write_conditions): Don't emit n_insn_conditions nor
11673 insn_elision_unavailable. Issue the gcc version #ifdef here,
11674 inside the table, with no #else clause ...
11675 (write_header): ...not here.
11676 (write_writer): New function.
11677 (main): Don't initialize condition_table. Use add_c_test.
11679 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11680 files on the command line.
11681 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11682 Return -1 if there is no entry in the table, don't abort.
11683 (add_c_test, traverse_c_tests): New functions.
11684 * gensupport.h (insn_elision_unavailable, insn_conditions)
11685 (n_insn_conditions): Delete declarations.
11686 (add_c_test, traverse_c_tests): Declare.
11687 * read-rtl.c: Include gensupport.h.
11688 (read_conditions): New function.
11689 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11690 (read_rtx_1): If we get EOF when we were looking for an initial
11691 open paren, return 0. Call read_conditions when appropriate.
11692 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11693 dummy-conditions.o. Eliminate references to insn-conditions.o,
11694 or change them to build/gencondmd.o, as appropriate. Remove
11695 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11696 from $(simple_generated_c). For all files remaining in those
11697 two lists, add insn-conditions.md to the generator command line.
11698 Give insn-constants.h/s-constants their own rules. Add rules
11699 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11700 (build/read-rtl.o): Depend on gensupport.h.
11701 (genprognormal): Include preds.
11702 (genprogearly): Rename genprognoprint; only difference is now that
11703 they don't link with $(BUILD_PRINT).
11704 * dummy-conditions.c: Delete.
11706 2006-01-22 Zack Weinberg <zackw@panix.com>
11708 * genextract.c: Don't include insn-config.h. Do include vec.h.
11709 Declare vectors of int, char, and locstr.
11710 (locstr): New typedef.
11711 (struct extraction): Make all array fields into bare pointers.
11712 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11713 (insn_code_number): Delete.
11714 (accum_extract): New struct.
11715 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11716 (gen_insn): Take insn_code_number as an argument. Use an
11717 accum_extract structure instead of loading data directly into
11718 a struct extraction, and having to know how big it might get.
11719 (walk_rtx): Operate entirely on an accum_extract structure.
11720 (print_path): Avoid unnecessary use of printf.
11721 (print_header): New function, split out of main. Distinguish
11722 more carefully between an unrecognizable insn and an insn that
11723 has the code number of a define_expand.
11724 (main): Pass insn_code_number to gen_insn. Call print_header
11725 only after parsing. Avoid unnecessary use of printf.
11726 * Makefile.in (build/vec.o): New rule.
11727 (build/genextract): Depend on build/vec.o.
11728 (build/genextract.o): Don't depend on insn-config.h.
11730 2006-01-22 Zack Weinberg <zackw@panix.com>
11732 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11733 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11734 practical. Eliminate per-generator-program link rules.
11736 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11738 PR middle-end/24437
11739 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11740 with a call expr to ...
11741 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11743 2006-01-23 Richard Guenther <rguenther@suse.de>
11745 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11746 before make_edge with conditional EDGE_TRUE_VALUE.
11748 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11749 Jan Hubicka <jh@suse.cz>
11750 Richard Guenther <rguenther@suse.de>
11752 PR rtl-optimization/25654
11753 * cfgexpand.c (aggregate_contains_union_type): New function.
11754 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11755 for structure variables that contain a union type.
11757 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11759 * gengtype.c (new_structure): Return the structure.
11760 (create_option): Add an extra "next" argument.
11761 (create_field): New function.
11762 (adjust_field_rtx_def): Use create_option and create_field.
11763 Remove a now-unnecessary call to find_structure.
11764 (adjust_field_tree_def): Likewise.
11765 (note_yacc_type): Remove an unnecessary call to find_structure.
11766 * gengtype.h (new_structure): Return the structure.
11767 (create_option): Add an extra argument.
11768 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11769 (option): Adjust calls to create_option.
11771 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11773 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11775 2006-01-22 Paul Brook <paul@codesourcery.com>
11776 Peter Barada <peter@the-baradas.com>
11778 * config/m68k/m68k.md: Add Coldfire FPU support.
11779 Define FP mode macro and associated attributes.
11780 Use it for float mode patterns.
11781 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11782 (LIBCALL_VALUE): Use m68k_libcall_value.
11783 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11784 (m68k_function_value): Ditto.
11785 (emit_move_sequence): Ditto.
11786 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11787 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11788 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11789 (MULTILIB_EXCEPTIONS): Ditto.
11790 * config/m68k/m68k.opt: Add mcfv4e.
11791 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11792 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11793 (m68k_output_function_prologue): Save ColdFire FPU registers.
11794 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11795 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11796 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11797 ColdFire FPU registers.
11798 (m68k_libcall_value, m68k_function_value): New functions.
11799 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11800 (LIBCALL_VALUE): Use m68k_libcall_value.
11801 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11802 (MASK_COLDFIRE): Add MASK_CFV4E.
11803 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11804 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11805 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11806 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11807 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11808 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11809 * doc/invoke.tex: Document -mcfv4e on m68k.
11811 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11813 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11816 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11819 * c-opts.c (c_common_handle_option): Don't include
11820 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11821 * doc/invoke.texi (C++ Dialect Options): Document that
11822 -Wnon-virtual-dtor is no longer included in -Wall.
11824 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11826 * gcov.c (print_version), gcov-dump.c (print_version),
11827 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11830 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11832 * df-scan.c (problem_SCAN): Added NULL reset function.
11833 (df_scan_reset_blocks): Added code to call reset block function
11834 (df_bb_refs_delete) Fixed comment.
11835 (df_insn_refs_delete): Made tolerant of deleting non existent info
11836 for dataflow problems that need to be reset.
11837 * df-core.c (df_set_blocks): Ditto.
11838 * df.h (struct df_problem): Added reset_fun.
11839 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11840 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11841 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11842 functions to clear out all references to def-use or use-def chains.
11844 2006-01-21 Ben Elliston <bje@au.ibm.com>
11846 * varasm.c (assemble_real): Initialise data array.
11848 2006-01-20 Paul Brook <paul@codesourcery.com>
11850 Merge from csl-arm-branch.
11851 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11852 * config/arm/arm.md (movdi): Force operands[1] to a register
11853 if we have a non-register source.
11854 (*arm_movdi, *movdf_soft_insn): Require that one of the
11855 operands be a register.
11856 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11857 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11859 2006-01-20 DJ Delorie <dj@redhat.com>
11861 * varasm.c (initializer_constant_valid_p): Allow pointers
11862 initialized from integer constants of lesser precision.
11863 (output_constant): Allow non-int-sized pointer modes to be
11864 initialized from integer constants.
11866 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11869 * cppdefault.h (struct default_include): Add multilib flag.
11870 * cppdefault.c (cpp_include_defaults): Set it.
11871 * c.opt (-imultilib): New option.
11872 * c-opts.c (imultilib): New.
11873 (c_common_handle_option): Handle -imultilib.
11874 (c_common_post_options): Likewise.
11875 * c-incpath.c (add_standard_paths, register_include_chains):
11877 * c-incpath.h (register_include_chains): Add extra parameter.
11878 * gcc.c (do_spec_1): Generate -imultilib option.
11879 (The Specs Language): Update %I description.
11880 (process_command): Update copyright notice.
11881 * doc/cppopts.texi (-imultilib): Document.
11882 * doc/invoke.texi (-imultilib): Include in option summary.
11883 (%I): Update specs documentation.
11885 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11887 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11889 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11891 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11894 2006-01-20 Richard Guenther <rguenther@suse.de>
11895 Steven Bosscher <stevenb.gcc@gmail.com>
11897 PR rtl-optimization/24626
11898 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11899 EDGE_TRUE_VALUE if in RTL mode.
11902 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11903 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11905 2006-01-20 Dirk Mueller <dmueller@suse.com>
11908 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11909 instead of a special NOP marker.
11910 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11911 NOP marker handling.
11912 * c-common.h (empty_body_warning): Add forward declaration.
11913 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11914 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11916 2006-01-20 Paul Brook <paul@codesourcery.com>
11918 * Makefile.in (lang_checks): Keep going if mkdir fails.
11920 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11922 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11923 be able to clean out basic block when not necessary.
11924 (df_scan_free): Fixed to properly delete information if df is
11925 unused before calling df_finish.
11926 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11927 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11929 (df_bb_refs_delete): New function.
11930 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11931 * df-core.c (df_set_blocks): Added code to properly clean out
11932 unused blocks if they are not part of the blocks to consider.
11933 Added additional null check.
11934 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11935 be able to clean out basic block when not necessary
11936 * df.h (df_free_bb_function): Ditto.
11937 (df_bb_refs_delete): New function.
11938 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11939 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11940 basic block parameter to be able to clean out basic block when not
11942 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11943 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11944 Fixed to properly delete information if df is unused before
11947 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11949 PR rtl-optimization/25799
11950 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11951 Corrected confluence operator to remove bits from op2 before oring
11952 with op1 rather than removing bits from op1.
11953 (df_ru_transfer_function): Corrected test on wrong bitmap which
11954 caused infinite loop. Both of these problems were introduced in
11955 the dataflow rewrite.
11957 2006-01-19 DJ Delorie <dj@redhat.com>
11959 * reload1.c (find_reload_regs): Note the details of reload
11960 failures in the dump file.
11961 (spill_failure): Likewise.
11963 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11965 * loop-iv.c: Include df.h and hashtab.h.
11966 (enum iv_grd_result): New enum.
11967 (DF_REF_IV, DF_REF_IV_SET): New macros.
11968 (struct biv_entry): New.
11969 (df, bivs): New global variables.
11970 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11971 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11973 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11974 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11975 analyzed_for_bivness_p, record_biv): New functions.
11976 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11977 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11978 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11980 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11982 (iv_number_of_iterations): Use new interface to iv analysis.
11983 * loop-unroll.c: Do not include varray.h.
11984 (analyze_iv_to_split_insn): Use new interface to iv
11986 * loop-unswitch.c (may_unswitch_on): Ditto.
11987 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11989 (df_bb_modify): Realloc tables to the new index.
11990 (df_find_use): New function.
11991 * df.h (df_find_use): Declare.
11992 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11994 * cfgloop.h (struct rtx_iv): Remove analysed field.
11995 (iv_get_reaching_def): Removed.
11996 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11997 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11998 (loop-iv.o): Add df.h and hashtab.h dependency.
11999 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12001 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12004 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12006 (__floatundisf, __floatundidf): Likewise.
12007 * libgcc2.h (IS_IBM_EXTENDED): Define.
12009 2006-01-19 DJ Delorie <dj@redhat.com>
12011 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12013 2006-01-19 Paul Brook <paul@codesourcery.com>
12015 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12016 as nothrow when unwinding tables are disabled.
12018 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12021 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12022 of bit-field" when in system header.
12024 2006-01-19 DJ Delorie <dj@redhat.com>
12026 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12027 the 16 bit shift limit of the m16c.
12029 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12032 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12033 * config/i386/i386.c (output_set_got): Output the label if we have one
12034 for the TARGET_DEEP_BRANCH_PREDICTION case.
12036 2006-01-19 Jan Hubicka <jh@suse.cz>
12037 H.J. Lu <hongjiu.lu@intel.com>
12038 Evandro Menezes <evandro.menezes@amd.com>
12040 * invoke.texi (generic): Document
12042 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12043 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12044 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12045 (x86_use_incdec, x86_pad_returns): New variables
12046 (TARGET_CPU_DEFAULT_generic): New constant
12047 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12048 (enum processor_type): Add generic32 and generic64.
12049 * i386.md (cpu attribute): Add generic32/generic64
12050 (movhi splitter): Behave sanely when both partial_reg_dependency and
12051 partial_reg_stall are set.
12052 (K8 splitters): Enable for generic as well.
12053 * predicates.md (incdec_operand): Use TARGET_INCDEC
12054 (aligned_operand): Avoid memory mismatch stalls.
12055 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12056 * ppro.md: Enable for generic32
12057 * i386.c (generic64_cost, generic32_cost): New.
12058 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12059 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12060 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12061 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12062 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12063 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12064 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12065 x86_accumulate_outgoing_args, x86_prologue_using_move,
12066 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12067 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12068 Enable for generic.
12069 (x86_use_incdec, x86_pad_returns): New.
12070 (override_options): Add generic32 and generic64, translate "generic"
12071 to generic32/generic64 and "i686" to "generic32", refuse
12072 "generic32"/"generic64" as arch target.
12073 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12074 (ix86_reorg): Honor PAD_RETURNS.
12076 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12078 * tree-pretty-print.c (dump_generic_node): Handle
12079 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12080 * cgraph.c (cgraph_expand_queue): Rename from
12081 cgraph_analyze_queue. Update all users.
12082 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12083 cgraph_expand_queue.
12084 (cgraph_expand_all_functions): Likewise.
12085 (cgraph_finalize_pending_functions): Remove. Update callers.
12087 * tree.h (OMP_DIRECTIVE_P): Define.
12088 (OMP_PARALLEL_FN): Define.
12089 (OMP_PARALLEL_DATA_ARG): Define.
12090 (OMP_SECTIONS_SECTIONS): Define.
12091 * tree-pass.h (pass_expand_omp): Declare.
12092 * omp-low.c (struct omp_region): Declare.
12093 (struct omp_context): Remove fields 'parallel_type',
12094 'parallel_start_ix' and 'parallel_start_additional_args'.
12096 (struct omp_for_data): Rename from struct expand_omp_for_data.
12097 (omp_regions): New static variable.
12098 (root_omp_region): New static variable.
12099 (find_omp_clause): Make static.
12100 (is_in_combined_parallel_ctx): Remove.
12101 (is_combined_parallel): New.
12102 (extract_omp_for_data): Move earlier in the file.
12103 (workshare_safe_to_combine_p): New.
12104 (get_ws_args_for): New.
12105 (determine_parallel_type): Move earlier in the file.
12106 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12108 (omp_copy_decl): Likewise.
12109 (create_omp_child_function): Likewise.
12110 (lookup_omp_region): New.
12111 (dump_omp_region): New.
12112 (debug_omp_region): New.
12113 (debug_all_omp_regions): New.
12114 (new_omp_region): New.
12115 (scan_omp_parallel): If parallel_nesting_level > 1, the
12116 directive is nested within another parallel directive.
12117 Set OMP_PARALLEL_FN.
12118 (scan_omp_for): Do not try to handle combined parallel+for
12120 Remove FIXME comment.
12121 (scan_omp_nested): Remove.
12122 (scan_omp_1): Do not call scan_omp_nested when
12123 parallel_nesting_level is > 1.
12124 Do not change the DECL_CONTEXT of local variables found.
12125 (lookup_decl_in_outer_ctx): New.
12126 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12127 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12128 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12129 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12130 If CTX is nested, lookup VAR in the outer context when
12131 building copy assignment.
12132 (lower_send_clauses): Rename from expand_send_clauses.
12133 If CTX is nested, lookup VAR in the outer context when
12134 building copy assignments.
12135 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12136 If CTX is nested, lookup VAR in the outer context when
12137 building copy assignments.
12138 (expand_parallel_call): Rename from build_parallel_call.
12139 Handle combined parallel+workshare cases.
12140 Re-implement to emit code into the CFG.
12142 (expand_omp_parallel): Re-implement to emit code into the CFG.
12143 Call move_sese_region_to_fn to outline the sub-graph
12144 containing the parallel region.
12145 (expand_omp_for_1): Remove.
12146 (expand_omp_for_generic): Re-implement to emit code into the
12148 (expand_omp_for_static_nochunk): Likewise.
12149 (expand_omp_for_static_chunk): Likewise.
12150 (expand_omp_for): Likewise.
12151 (expand_omp_sections): Likewise.
12152 (remove_exit_barriers): New.
12153 (expand_omp_synch): New.
12155 (build_omp_regions_1): New.
12156 (build_omp_regions): New.
12157 (execute_expand_omp): New.
12158 (gate_expand_omp): New.
12159 (pass_expand_omp): Define.
12160 (lower_omp_sections): Rename from expand_omp_sections.
12161 Set OMP_SECTIONS_SECTIONS.
12162 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12163 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12164 (lower_omp_single): Rename from expand_omp_simple.
12165 (lower_omp_master): Rename from expand_omp_master.
12166 (lower_omp_ordered): Rename from expand_omp_ordered.
12167 (lower_omp_critical): Rename from expand_omp_critical.
12168 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12169 (lower_omp_for): Re-implement.
12170 (lower_omp_parallel): Re-implement.
12171 (lower_regimplify): Rename from expand_regimplify.
12172 (lower_omp_1): Rename from expand_omp_1.
12173 If there are syntax errors in the program, replace every
12174 OpenMP directive with NOP.
12175 Call lower_omp_* instead of expand_omp_*.
12176 (lower_omp): Rename from expand_omp.
12178 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12179 * tree-gimple.h (enum omp_parallel_type): Remove.
12180 (gimple_boolify): Declare extern.
12181 (find_omp_clause, determine_parallel_type): Remove.
12183 * gimple-low.c (lower_omp_directive): New.
12184 (lower_stmt): Call it.
12185 (record_vars_into): Move from ...
12186 (record_vars): ... here.
12187 Call record_vars_into with current_function_decl.
12189 * gimplify.c (struct gimplify_ctx): Remove fields
12190 combined_pre_p and combined_ctxp. Update users.
12191 (get_formal_tmp_var): Add documentation.
12192 (gimple_boolify): Make extern.
12193 (gimplify_expr_in_ctx): Remove. Update callers.
12194 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12195 will always be a BIND_EXPR.
12196 (gimplify_expr): Handle OMP_RETURN_EXPR.
12197 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12198 (OMP_PARALLEL): Add 3 operands.
12199 (OMP_SECTIONS): Add 1 operand.
12200 (OMP_RETURN_EXPR): Define.
12202 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12203 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12204 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12205 creating a circular free list.
12206 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12208 * tree-flow.h (move_sese_region_to_fn): Declare.
12209 (record_vars_into): Declare.
12210 * tree-cfg.c (make_omp_sections_edges): New.
12211 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12212 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12213 OMP_SECTIONS and OMP_SECTION.
12214 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12215 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12216 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12217 (gather_blocks_in_sese_region): New.
12218 (struct move_stmt_d): Declare.
12219 (move_stmt_r): New.
12220 (move_block_to_fn): New.
12221 (move_sese_region_to_fn): New.
12223 * passes.c (init_optimization_passes): Schedule
12224 pass_expand_omp after pass_init_datastructures.
12226 * tree-ssa-operands.c (get_expr_operands): Handle
12227 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12228 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12230 2006-01-19 Jeff Law <law@redhat.com>
12232 * tree-vrp.c (extract_range_from_assert): Refine the result range
12233 if the variable referenced by the ASSERT_EXPR has a range and
12234 either the tentative result range or the previous range is a
12237 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12239 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12241 2006-01-19 Jan Hubicka <jh@suse.cz>
12243 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12245 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12247 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12248 (expand_compound_operation, expand_field_assignment): Fail if the
12249 bit lengths of an extract operation are out of range.
12250 (make_extraction): Compute wanted_inner_mode based on the position
12251 and length of the extraction. Make it extraction_mode for non-constant
12252 positions, and do not modify offset in that case. When generating a
12253 new MEM, use a mode that can hold the extraction while keeping correct
12254 alignment. Remove code that supported MEMs wrapped by USEs.
12255 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12257 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12259 * config/s390/s390.md ("Y", "y"): New mode attribute.
12260 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12261 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12262 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12263 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12264 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12265 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12266 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12267 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12268 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12269 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12270 "addsi3", "subsi3"): Insn patterns removed.
12271 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12272 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12273 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12274 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12275 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12276 "*sub<mode>3_cconly2"): New insn patterns.
12277 ("addsi3", "subsi3"): New expanders.
12279 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12281 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12282 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12283 existing STMT_VINFO_VECTYPE if available.
12284 (vect_mark_relevant): Add special handling for stmts that are
12285 marked as STMT_VINFO_IN_PATTERN_P.
12286 (vect_analyze_loop): Call vect_pattern_recog.
12287 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12288 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12290 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12291 (vect_recog_func_ptr): New function-pointer type.
12292 * tree-vect-patterns.c: New file.
12293 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12294 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12295 (vect_pattern_recog_1): New functions.
12296 (vect_pattern_recog_funcs): New array of function pointers.
12298 * tree-vectorizer.h (ternary_op): New enum value.
12299 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12300 declaration. Revised documentation. Removed redundant dump prints.
12301 Removed redundant argument. Added support for reduction patterns.
12302 (vectorizable_reduction): Added support for reduction patterns.
12303 (vect_transform_stmt): Added support for patterns.
12305 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12306 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12307 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12308 (expand_widen_pattern_expr): New function.
12309 (init_optabs): Initialize new optabs udot_prod_optab,
12311 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12312 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12313 (expand_widen_pattern_expr): New function declaration.
12314 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12316 * tree-inline.c (estimate_num_insns_1): Added cases for new
12317 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12318 * tree-pretty-print.c (dump_generic_node): Likewise.
12319 (op_prio): Likewise.
12320 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12321 * tree-ssa-operands.c (get_expr_operands): Added case for
12323 * tree-vect-patterns.c (widened_name_p): New function.
12324 (vect_recog_dot_prod_pattern): Added function implementation.
12325 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12326 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12327 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12328 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12330 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12331 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12332 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12333 (init_optabs): Initialize new optabs widen_ssum_optab,
12335 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12336 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12337 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12338 use instead of type of def.
12339 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12340 function implementation.
12341 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12342 widen_ssumv8hi): New.
12344 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12347 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12350 * c-decl.c (add_flexible_array_elts_to_size): New function.
12351 (finish_decl): Use it.
12353 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12355 * diagnostic.h: Include options.h.
12356 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12357 dependancies for diagnostic.h.
12358 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12360 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12362 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12363 (ssa_ro_call_cache_valid): Ditto.
12364 * tree-ssa-alias.c (sort_tags_by_id): New function.
12365 (init_transitive_clobber_worklist): Ditto.
12366 (add_to_worklist): Ditto.
12367 (mark_aliases_call_clobbered): Ditto.
12368 (compute_tag_properties): Ditto.
12369 (set_initial_properties): Ditto.
12370 (compute_call_clobbered): Ditto.
12371 (compute_may_aliases): Call compute_call_clobbered and grouping.
12372 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12373 (compute_flow_insensitive_aliasing): Grouping now happens in our
12375 (setup_pointers_and_addressables): Remove clobbering related code.
12376 (add_may_alias): Ditto.
12377 (replace_may_alias): Ditto.
12378 (get_nmt_for): Ditto.
12379 (create_global_var):
12380 (is_escape_site): Return an escape_type enumeration.
12381 * tree-flow-inline.h (is_call_clobbered): Global var does not
12382 imply call clobbered.
12383 (mark_call_clobbered): Take a reason for marking this. Remove
12384 marking of globalness, and cache invalidation.
12385 (clear_call_clobbered): Remove cache invalidation code.
12386 * tree-dfa.c (dump_variable): If details is on, dump the reason
12388 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12390 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12391 (struct var_ann_d): Ditto.
12392 (enum escape_type): New.
12393 (mark_call_clobbered): Adjust prototype.
12394 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12395 are never call clobbered.
12396 Record reasons for escaping.
12397 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12398 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12399 (ssa_ro_call_cache_valid): Ditto.
12400 (clobbered_v_may_defs): Ditto.
12401 (clobbered_vuses): Ditto.
12402 (ro_call_vuses): Ditto.
12403 (clobber_stats): New.
12404 (init_ssa_operands): Zero out clobber stats.
12405 (fini_ssa_operands): Print out clobber stats.
12406 (get_call_expr_operands): Pass callee fndecl to
12407 add_call_read_ops).
12408 (add_call_clobber_ops): Remove use of cache.
12409 Add use of PURE_CONST information.
12410 (add_call_read_ops): Remove use of cache.
12411 Add use of static not_read information.
12413 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12415 Introduce TLS descriptors for i386 and x86_64.
12416 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12417 (TARGET_ANY_GNU_TLS): New macro.
12418 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12419 (struct machine_function): Add tls_descriptor_call_expanded_p.
12420 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12421 (ix86_current_function_calls_tls_descriptor): Likewise.
12422 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12423 (override_options): Introduce gnu2 tls dialect.
12424 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12426 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12428 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12429 (ix86_init_machine_status): Initialize new field.
12430 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12431 (ix86_tls_module_base): New.
12432 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12433 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12434 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12435 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12436 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12437 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12438 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12439 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12440 * config/i386/predicates.md (tls_modbase_operand): New.
12441 (tp_or_register_operand): New.
12443 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12445 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12446 (look_for_address_of): Ditto.
12447 (ipa_init): Walk the function decls.
12448 (static_execute): Don't set readonly on FUNCTION_DECL's.
12450 2006-01-18 Roger Sayle <roger@eyesopen.com>
12452 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12453 for shifts where the source and destination registers are different.
12455 2006-01-18 Paul Brook <paul@codesourcery.com>
12457 Merge from csl-arm-branch.
12458 2005-03-14 Julian Brown <julian@codesourcery.com>
12459 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12460 (aeabi_llsl): Likewise.
12461 (ashrdi3): Likewise.
12462 (aeabi_lasr): Likewise.
12463 (lshrdi3): Likewise.
12464 (aeabi_llsr): Likewise.
12465 2005-03-10 Julian Brown <julian@codesourcery.com>
12466 * config.gcc: Disable shared libgcc for SymbianOS.
12467 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12469 2006-01-18 DJ Delorie <dj@redhat.com>
12471 * c-pragma.c (handle_pragma_diagnostic): New.
12472 (init_pragma): Register it.
12473 * doc/extend.texi: Document it.
12475 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12476 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12477 (diagnostic_context): Add classify_diagnostic[].
12478 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12479 as errors if they're overridden to DK_WARNING.
12480 (diagnostic_initialize): Initialize classify_diagnostic[].
12481 (diagnostic_set_kind_override): New.
12482 (diagnostic_report_diagnostic): Check for kind changes.
12483 * opts.c (common_handle_option): Take lang_mask. Update callers.
12484 Handle OPT_Werror_.
12485 * common.opt (Werror=): New.
12486 * doc/invoke.texi: Document -Werror=*
12488 2006-01-18 Jeff Law <law@redhat.com>
12490 * tree-vrp.c (test_for_singularity): Correct test for new
12491 min limit. Use operand_equal_p rather than pointer equality
12492 for testing if new min/max values are equal.
12494 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12495 using range information until after propagation and folding.
12497 2006-01-18 Richard Henderson <rth@redhat.com>
12498 Aldy Hernandez <aldyh@redhat.com>
12499 Jakub Jelinek <jakub@redhat.com>
12500 Diego Novillo <dnovillo@redhat.com>
12502 * omp-low.c: New file.
12503 * c-omp.c: New file.
12505 2006-01-18 Richard Henderson <rth@redhat.com>
12506 Jakub Jelinek <jakub@redhat.com>
12507 Diego Novillo <dnovillo@redhat.com>
12509 * doc/invoke.texi: Document -fopenmp.
12510 * tree-dump.h (debug_function): Declare.
12511 * hooks.c (hook_bool_tree_bool_false): New function.
12512 (hook_tree_tree_null): Remove.
12513 (hook_tree_tree_tree_null): New.
12514 * hooks.h: Update to match.
12515 * tree-pretty-print.c (debug_tree_chain): New.
12516 (print_generic_expr): Handle TDF_CHAIN.
12517 (dump_generic_node): Handle BLOCK.
12518 Do not abort with incomplete SWITCH_EXPRs.
12519 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12520 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12521 print space after directive name.
12522 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12523 Handle OMP_MASTER and OMP_ORDERED.
12524 Handle printing of OMP_BODY just in one place, goto
12525 dump_omp_body in the rest of OMP_* nodes that have
12527 Don't handle clause nodes here. Update omp statements to
12528 use dump_omp_clauses.
12529 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12530 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12531 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12532 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12533 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12534 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12535 Adjust output for GOMP_PARALLEL.
12536 (dump_omp_clauses): New.
12537 (print_declaration): Dump DECL_VALUE_EXPR.
12538 (op_symbol_1): Split out of op_symbol.
12539 (dumping_stmts): Remove. Update all users.
12540 * cgraph.c (cgraph_analyze_queue): New.
12541 (cgraph_add_new_function): New.
12542 * cgraph.h (cgraph_analyze_queue): Declare.
12543 (cgraph_add_new_function): Declare.
12544 (cgraph_lower_function): Remove.
12545 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12546 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12547 and TYPE_P nodes in its default clause.
12548 (empty_body_p): New.
12549 (tree_range_check_failed): New.
12550 (build5_stat): New.
12551 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12552 OMP_CLAUSE_REDUCTION_MERGE,
12553 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12554 OMP_CLAUSE_PRIVATE_DEBUG,
12555 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12556 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12557 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12558 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12559 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12560 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12561 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12562 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12563 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12564 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12565 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12566 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12567 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12568 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12569 (TREE_RANGE_CHECK): New.
12570 (empty_body_p): Declare.
12571 (enum omp_clause_default_kind): New.
12572 (build_string_literal): Declare.
12573 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12574 (build5_stat, build5): Declare.
12575 * tree-pass.h (TDF_CHAIN): Define.
12576 * tree-pass.h (PROP_gimple_lomp): Define.
12577 (pass_lower_omp): Declare.
12578 * diagnostic.h (debug_tree_chain): Declare.
12579 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12581 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12582 * builtins.c (build_string_literal): Make extern.
12583 * gcc.c (include_spec_function): New.
12584 (static_spec_functions): Add it.
12585 (main): Move load of libgomp.spec ...
12586 (LINK_COMMAND_SPEC): ... here.
12587 (link_gomp_spec): New.
12588 (static_specs): Include it.
12589 (LINK_COMMAND_SPEC): Add link_gomp.
12590 (GOMP_SELF_SPECS): New.
12591 (driver_self_specs): Include it.
12592 (switch_matches): Don't mark inline.
12593 (main): Load libgomp.spec.
12594 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12595 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12596 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12597 * tree-gimple.h (enum omp_parallel): Declare.
12598 (determine_parallel_type): Declare.
12599 (omp_firstprivatize_variable): Declare.
12600 (omp_reduction_init): Declare.
12601 (diagnose_omp_structured_block_errors): Declare.
12602 (struct walk_stmt_info): Add want_return_expr.
12603 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12604 (find_omp_clause): Declare.
12605 (insert_field_into_struct): Declare.
12606 (struct walk_stmt_info): Move from tree-nested.c
12607 (walk_stmts): Declare.
12608 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12610 * cgraphunit.c (cgraph_lower_function): Make static.
12611 (cgraph_finalize_pending_functions): New.
12612 (cgraph_finalize_function): Call it.
12613 (cgraph_finalize_compilation_unit): Likewise.
12614 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12615 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12616 (BT_FN_UINT_UINT): New.
12617 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12618 DEF_FUNCTION_TYPE_VAR_4): Document.
12619 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12620 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12621 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12622 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12623 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12624 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12625 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12626 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12627 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12628 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12629 into separate files.
12630 (DEF_GOMP_BUILTIN): New.
12631 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12632 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12633 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12634 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12635 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12636 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12637 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12638 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12639 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12640 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12641 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12642 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12643 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12644 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12645 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12646 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12647 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12648 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12649 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12650 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12651 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12652 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12653 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12654 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12655 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12656 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12657 * sync-builtins.def: New file, moved from builtins.def.
12658 * omp-builtins.def: New file, moved from builtins.def.
12659 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12660 * gimple-low.c (lower_function_body): Clear data.
12661 (lower_stmt): Do not handle COMPOUND_EXPR.
12662 Remove call to print_node_brief.
12663 * c-tree.h (c_finish_omp_clauses): New prototype.
12664 (C_DECL_THREADPRIVATE_P): Define.
12665 (lookup_name_no_remap, c_omp_remap_private): Remove
12666 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12667 (check_for_loop_decls): Update decl.
12668 (lookup_name_no_remap, c_omp_remap_private): Declare.
12669 (build_indirect_ref, build_modify_expr, pushdecl,
12670 pushdecl_top_level): Move to c-common.h.
12671 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12672 before the switch, but just in the 2 places that need it.
12673 * c-decl.c (diagnose_mismatched_decls): Do not check for
12674 mismatched thread-local attributes when OLDDECL is marked
12675 threadprivate and NEWDECL has no thread-local attributes.
12676 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12677 (c_gimple_diagnostics_recursively): Rename from
12678 c_warn_unused_result_recursively. Invoke
12679 diagnose_omp_structured_block_errors.
12680 (check_for_loop_decls): Return a singular decl found.
12681 * langhooks.c (lhd_omp_predetermined_sharing): Return
12682 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12683 (lhd_omp_firstprivatize_type_sizes): New.
12684 (lhd_omp_assignment): New.
12685 (lhd_omp_predetermined_sharing): New.
12686 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12687 (struct lang_hooks_for_types): Add
12688 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12689 omp_predetermined_sharing, omp_disregard_value_expr,
12690 omp_private_debug_clause, omp_clause_default_ctor,
12691 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12692 (c_finish_omp_clauses): New.
12693 (c_finish_bc_stmt): Diagnose break within omp for.
12694 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12695 (build_unary_op): Return error_mark after reporting
12697 (build_modify_expr): Likewise.
12698 * gimplify.c: Include optabs.h and pointer-set.h.
12699 (enum gimplify_omp_var_data): Declare.
12700 (struct gimplify_omp_ctx): Declare.
12701 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12703 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12704 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12705 (splay_tree_compare_decl_uid): New.
12706 (new_omp_context): New.
12707 (delete_omp_context): New.
12708 (gimple_add_tmp_var): Call omp_add_variable.
12709 (gimplify_bind_expr): Likewise.
12710 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12711 true, disregard DECL_VALUE_EXPR on the decl if any.
12712 (gimplify_expr_in_ctx): New.
12713 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12714 omp_add_variable, omp_notice_variable, omp_is_private
12715 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12716 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12717 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12718 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12719 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12720 gimplify_omp_atomic): New.
12721 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12722 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12723 OMP_CRITICAL and OMP_ATOMIC.
12724 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12725 * c-pragma.h (enum pragma_kind): Add
12726 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12727 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12728 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12729 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12730 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12731 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12732 PRAGMA_OMP_THREADPRIVATE.
12733 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12734 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12735 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12736 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12737 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12738 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12739 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12740 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12741 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12742 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12743 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12744 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12745 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12747 (struct nesting_info): Add field_map,
12748 suppress_expansion, debug_var_chain.
12749 (create_nesting_tree): Initialize them.
12750 (lookup_field_for_decl): Use field_map.
12751 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12752 (convert_local_omp_clauses): New.
12753 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12754 (walk_body): Split out of walk_function.
12755 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12756 (convert_nonlocal_reference): Handle omp statements.
12757 (convert_local_reference): Likewise.
12758 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12759 (unnest_nesting_tree): New.
12760 (lower_nested_functions): Call it.
12761 (insert_field_into_struct): Make extern.
12762 (struct walk_stmt_info): Move to tree-gimple.h.
12763 (walk_stmts): Make extern.
12764 * omp-builtins.def: New file.
12765 * tree-iterator.c (expr_only): Clarify comment.
12766 * c-common.h (pushdecl_top_level, pushdecl,
12767 build_modify_expr, build_indirect_ref,
12768 c_finish_omp_master, c_finish_omp_critical,
12769 c_finish_omp_ordered, c_finish_omp_barrier,
12770 c_finish_omp_atomic, c_finish_omp_flush,
12771 c_finish_omp_for, c_split_parallel_clauses,
12772 omp_clause_default_kind, c_omp_sharing_predetermined,
12773 c_omp_remap_decl): Declare.
12774 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12775 (OBJS-common): Add omp-low.o.
12776 (c-omp.o, omp-low.o): Add.
12777 (gimplify.o): Add dependency on $(OPTABS_H).
12778 (GTFILES): Add omp-low.c.
12779 (gt-stringpool.h): Add.
12780 * tree-cfg.c (set_bb_for_stmt): Do not update the
12781 block-to-labels map if we are currently expanding to RTL.
12782 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12784 Handle IDENTIFIER_NODE.
12785 (tree_verify_flow_info): Do not ICE when emitting error
12786 messages about invalid labels.
12787 (dump_function_to_file): Reset CFUN before emitting the body
12789 (debug_function): New.
12790 * passes.c (init_optimization_passes): Schedule
12792 * langhooks-def.h (lhd_omp_predetermined_sharing,
12793 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12795 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12796 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12797 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12798 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12799 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12800 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12801 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12802 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12803 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12804 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12805 (LANG_HOOK_DECLS): Use them.
12807 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12808 Richard Henderson <rth@redhat.com>
12809 Jakub Jelinek <jakub@redhat.com>
12810 Diego Novillo <dnovillo@redhat.com>
12812 * c-parser.c (pragma_omp_clause): Define.
12813 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12814 (c_parser_compound_statement): Likewise.
12815 (c_parser_statement): Likewise.
12816 (c_parser_pragma): Handle omp pragmas.
12817 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12818 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12819 (c_parser_omp_clause_name, check_no_duplicate_clause,
12820 c_parser_omp_variable_list,
12821 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12822 c_parser_omp_clause_copyprivate,
12823 c_parser_omp_clause_default,
12824 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12825 c_parser_omp_clause_lastprivate,
12826 c_parser_omp_clause_nowait,
12827 c_parser_omp_clause_num_threads,
12828 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12829 c_parser_omp_clause_reduction,
12830 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12831 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12832 c_parser_omp_atomic, c_parser_omp_barrier,
12833 c_parser_omp_critical, c_parser_omp_flush,
12834 c_parser_omp_for_loop, c_parser_omp_for,
12835 c_parser_omp_master, c_parser_omp_ordered,
12836 c_parser_omp_sections_scope, c_parser_omp_sections,
12837 c_parser_omp_parallel, c_parser_omp_single,
12838 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12839 * c-pragma.c (init_pragma): Do omp pragma registration here.
12840 * c.opt (fopenmp): New flag.
12842 2006-01-18 Eric Christopher <echristo@apple.com>
12844 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12845 * config/darwin.h (GOMP_SELF_SPECS): Define.
12847 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12849 * rtl.h: Remove the prototype for reg_alloc.
12851 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12854 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12855 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12856 sjlj and dwarf2 exception handling.
12857 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12858 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12859 * pa/pa.c (function_value): Treat complex and vector types as
12861 (function_arg): Likewise. Only pass scalar floats in the floating
12862 point argument registers.
12863 * pa/t-slibgcc-dwarf-ver: New file.
12864 * pa/t-slibgcc-sjlj-ver: New file.
12865 * pa/t-slibgcc-elf-ver: Delete file.
12867 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12869 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12870 unlikely_test_section_p test.
12872 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12874 * mode-switching.c (optimize_mode_switching): Make it static.
12875 * basic-block.h: Remove the prototype for
12876 optimize_mode_switching.
12878 * modulo-sched.c (sms_schedule): Make it static.
12879 * rtl.h: Remove the prototype for sms_schedule.
12881 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12882 * rtl.h: Remove the prototype for gcse_after_reload_main.
12884 * reg-stack.c (reg_to_stack): Make it static.
12885 * rtl.h: Remove the prototype for reg_to_stack.
12887 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12889 * rtl.h: Remove the prototypes for regrename_optimize and
12890 copyprop_hardreg_forward.
12892 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12894 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12895 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12896 Test against the appropriate null constant for the mode.
12897 If 'fixup_overlap' is true, swap the operands if they overlap.
12898 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12899 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12900 alpha_split_tmode_pair and adjust for above change.
12901 * config/alpha/alpha.md (movtf_internal): Adjust call to
12902 alpha_split_tfmode_pair and rely on it to swap the operands.
12903 (movti_internal): New insn and post-reload splitter.
12904 (movti): New expander.
12906 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12908 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12911 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12913 * rtlanal.c (global_reg_mentioned_p_1,
12914 global_reg_mentioned_p): Remove.
12915 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12917 * flow.c (initialize_uninitialized_subregs): Make it static.
12918 * rtl.h: Remove the prototype for
12919 initialize_uninitialized_subregs.
12921 * function.c (instantiate_virtual_regs): Make it static.
12922 * function.h: Remove the prototype for
12923 instantiate_virtual_regs.
12925 * regmove.c (regmove_optimize, combine_stack_adjustments):
12927 * rtl.h: Remove the prototypes for regmove_optimize and
12928 combine_stack_adjustments.
12930 2006-01-17 Roger Sayle <roger@eyesopen.com>
12932 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12933 (size_cost): Encode costs in bytes so that a reg-reg addition is
12934 equivalent to COSTS_N_INSNS(1).
12935 (override_options): Use the size_cost.branch_cost as the default
12936 ix86_branch_cost when optimizing for size.
12938 2006-01-18 Ben Elliston <bje@au.ibm.com>
12940 * Makefile.in (D32PBIT_FUNCS): New.
12941 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12942 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12943 D64PBIT_FUNCS and D128PBIT_FUNCS.
12944 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12945 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12947 (decnumber_dep): Define.
12948 * doc/libgcc.texi (Decimal float library routines): New node.
12949 * config/dfp-bit.h, config/dfp-bit.c: New files.
12951 2006-01-18 Ben Elliston <bje@au.ibm.com>
12953 * expr.c (emit_move_change_mode): Always adjust addresses, not
12954 just during reload. Copy replacements only during reload.
12955 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12956 emit_move_via_integer.
12958 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12960 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12961 instead of $(srcdir) and ${srcdir}.
12963 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12966 PR middle-end/11135
12967 * arm.h (struct machine_function): Add pic_reg.
12968 * arm.c (arm_pic_register): Make unsigned.
12969 (arm_override_options): Only set arm_pic_register if
12970 TARGET_SINGLE_PIC_BASE.
12971 (use_return_insn): Only test for a pic register if it is fixed.
12972 (arm_compute_save_reg0_reg12_mask): Likewise.
12973 (thumb_compute_save_reg_mask): Likewise.
12974 (legitimate_pic_operand): Factor out some known invariants.
12975 (legitimize_pic_address): If we don't have a fixed pic register,
12976 then set up a pseudo in the function entry sequence. Handle the
12977 pic base being in a pseudo.
12978 (arm_load_pic_register): Handle the pic register being in a pseudo.
12979 (arm_expand_prologue): Only set up the pic register if it is fixed.
12980 (thumb_expand_prologue): Likewise.
12981 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12982 (pic_load_addr_based_insn): Likewise.
12983 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12986 2006-01-18 Ben Elliston <bje@au.ibm.com>
12988 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12989 decimal float modes for all floating point registers.
12991 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12992 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12994 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12997 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12998 even when the pointer is not NULL.
13000 2006-01-16 Ian Lance Taylor <ian@airs.com>
13002 * common.opt (ftoplevel-reorder): New option.
13003 * cgraph.c (cgraph_asm_nodes): New global variable.
13004 (cgraph_asm_last_node): New static variable.
13005 (cgraph_order): New global variable.
13006 (cgraph_create_node): Set new order field.
13007 (cgraph_varpool_node): Likewise.
13008 (decide_is_variable_needed): Return true if not
13009 flag_toplevel_reorder.
13010 (cgraph_add_asm_node): New function.
13011 * cgraph.h (struct cgraph_node): Add order field.
13012 (struct cgraph_varpool_node): Add order field.
13013 (struct cgraph_asm_node): Define.
13014 (cgraph_asm_nodes, cgraph_order): Declare.
13015 (cgraph_add_asm_node): Declare.
13016 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13018 (cgraph_varpool_assemble_pending_decls): Call it.
13019 (cgraph_output_pending_asms): New static function.
13020 (cgraph_finalize_compilation_unit): Call it.
13021 (struct cgraph_order_sort): Define.
13022 (cgraph_output_in_order): New static function.
13023 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13024 !flag_toplevel_reorder case.
13025 * c-parser.c: Include "cgraph.h".
13026 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13028 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13029 than -fno-unit-at-a-time.
13030 * doc/invoke.texi (Option Summary): Mention
13031 -fno-toplevel-reorder.
13032 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13033 -funit-at-a-time documentation.
13035 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13036 Kazu Hirata <kazu@codesourcery.com>
13038 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13040 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13042 * Makefile.in (FUNCTION_H): New. Use it instead of
13043 function.h throughout the file.
13044 * function.h: Include tree.h.
13046 2006-01-17 Ben Elliston <bje@au.ibm.com>
13048 * recog.c: Separate some functions with whitespace.
13050 2006-01-16 Richard Henderson <rth@redhat.com>
13052 Merge from gomp branch:
13053 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13054 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13055 and rename from struct inline_data. Rename callee* to dst*;
13056 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13057 transform_new_cfg, transform_return_to_modify, and
13058 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13060 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13061 (copy_decl_for_dup): Remove.
13062 * tree-inline.c (struct inline_data): Move to header.
13063 (insert_decl_map): Export.
13064 (remap_decl): Update for member name changes. Use copy_decl hook.
13065 Allow for replacement to be a non-decl. Remove dead code.
13066 (remap_type_1): Check for existing mapping.
13067 (remap_type): Export.
13068 (remap_decls): Update for member name changes.
13069 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13070 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13071 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13072 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13073 (tree_function_versioning, build_duplicate_type): Likewise.
13074 (copy_body_r): Likewise. Export.
13075 (copy_decl_for_dup): Split into ...
13076 (copy_decl_for_dup_finish, copy_decl_to_var,
13077 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13078 (replace_ref_tree, inlining_p): Remove.
13080 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13082 * ifcvt.c (if_convert): Make it static.
13083 * rtl.h: Remove the prototype for if_convert.
13085 * local-alloc.c (local_alloc): Make it static.
13086 * rtl.h: Remove the prototype for local_alloc.
13088 * loop.c (loop_optimize): Make it static.
13089 * cfgloop.h: Remove the prototype for loop_optimize.
13092 2006-01-16 DJ Delorie <dj@redhat.com>
13094 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13097 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13099 * pa.md: Disparage copies between general and floating-point registers
13100 in 32-bit move patterns.
13102 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13105 * Makefile.in (check-%): Depend on site.exp instead of
13106 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13109 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13111 * global.c (global_alloc): Make it static.
13112 * rtl.h: Remove the prototype for global_alloc.
13114 2006-01-16 Richard Guenther <rguenther@suse.de>
13116 * tree-ssa-alias.c (struct used_part): Add write_only field.
13117 (get_or_create_used_part_for): Initialize it to true.
13118 (create_overlap_variables_for): Don't create structure variables
13119 for structures that only are written to.
13120 (find_used_portions): Handle MODIFY_EXPR to track whether a
13121 structure is only written to.
13123 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13125 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13127 * basic-block.h: Remove the prototype for
13128 partition_hot_cold_basic_blocks.
13130 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13132 * cppspec.c (lang_specific_spec_functions): Remove.
13133 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13134 * gcc.h (lang_specific_spec_functions): Remove.
13135 * gccspec.c (lang_specific_spec_functions): Remove.
13137 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13139 * combine.c (record_value_for_reg): Invalidate registers
13141 (record_dead_and_set_regs_1): Likewise, by passing them to
13142 record_value_for_reg.
13143 (record_dead_and_set_regs): Invalidate stores made by a
13144 call. We do not combine across a call, but we still
13145 relied on equivalences.
13147 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13149 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13150 vrp_int_const_binop returning non-constant nodes.
13152 2006-01-16 Paul Brook <paul@codesourcery.com>
13154 * config/m68k/m68k.c (output_move_const_into_data_reg):
13155 Output correct mnemonic for mvz and mvs.
13157 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13159 * rtl-factoring.c: Add sequence abstraction algorithm.
13160 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13161 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13163 (block_has_preserve_label): New function.
13164 * common.opt: Register new pass.
13165 * Makefile.in: Ditto.
13167 * timevar.def: Ditto.
13168 * tree-pass.h: Ditto.
13169 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13170 * rtl.h (make_jump_insn_raw): Add forward decl.
13171 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13173 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13174 Roger Sayle <roger@eyesopen.com>
13176 * fold-const.c (fold_minmax): New static function.
13177 (fold_binary) <MIN_EXPR>: Call it.
13178 <MAX_EXPR>: Likewise.
13179 * stor-layout.c (place_field): Use DECL_SIZE consistently
13180 in the computation of the new record size.
13182 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13184 * cse.c (cse_condition_code_reg): Make it static.
13185 * rtl.h: Remove the prototype for cse_condition_code_reg.
13187 * combine.c (combine_instructions): Make it static.
13188 * rtl.h: Remove the prototype for combine_instructions.
13190 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13193 * tree.c (get_file_function_name_long): Concatenate the first global
13194 object name with a string derived from the input filename of the object
13197 2006-01-16 Ben Elliston <bje@au.ibm.com>
13199 * config/i386/winnt-stubs.c: Update FSF address.
13200 * config/xtensa/ieee754-df.S: Ditto.
13201 * config/xtensa/ieee754-sf.S: Ditto.
13203 2006-01-14 Ian Lance Taylor <ian@airs.com>
13205 * ifcvt.c (noce_init_if_info): New static function, broken out of
13206 noce_process_if_block.
13207 (noce_process_if_block): Call noce_init_if_info.
13208 (check_cond_move_block): New static function.
13209 (cond_move_process_if_block): New static function.
13210 (process_if_block): Call cond_move_process_if_block.
13212 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13214 * cselib.c (hash_table): Rename to cselib_hash_table.
13215 (cselib_clear_table, discard_useless_values,
13216 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13217 cselib_init, cselib_finish): Adjust uses of hash_table.
13219 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13221 PR tree-optimization/25485
13222 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13223 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13224 is known to be false and true, respectively.
13226 2006-01-14 Richard Guenther <rguenther@suse.de>
13228 PR tree-optimization/22548
13229 PR tree-optimization/22555
13230 PR tree-optimization/22501
13231 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13232 * params.def (salias-max-array-elements): New parameter.
13233 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13234 * doc/invoke.texi (salias-max-array-elements): Document.
13235 * tree-flow-inline.h (var_can_have_subvars): We also handle
13237 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13239 * tree-ssa-structalias.c (params.h): Include.
13240 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13241 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13242 (get_constraint_for): For ADDR_EXPR operating on something
13243 containing an ARRAY_REF, add all subvars to the solution.
13244 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13245 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13246 for creating MUST_DEFs.
13247 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13249 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13251 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13253 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13254 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13255 number_of_iterations_le): New functions.
13256 (number_of_iterations_special): Removed.
13257 (number_of_iterations_exit): Do not use number_of_iterations_special.
13258 * tree.c (unsigned_type_for): Always return integer type.
13260 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13261 Richard Guenther <rguenther@suse.de>
13263 PR rtl-optimization/24257
13264 * gcse.c (find_moveable_store): Only consider a store movable
13265 when the SET_SRC of the insn can be assigned to a register.
13267 2006-01-14 Ian Lance Taylor <ian@airs.com>
13269 * tree.c (tree_not_class_check_failed): New function.
13270 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13271 (tree_not_class_check_failed): Declare.
13273 2006-01-13 Ian Lance Taylor <ian@airs.com>
13275 * reload1.c (do_output_reload): Add assertion rejecting a
13278 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13280 * combine.c (struct reg_stat): Add new fields truncation_label and
13282 (record_value_for_reg): Reset truncated_to_mode.
13283 (record_truncated_value): New function.
13284 (check_promoted_subreg): Call it. Rename to check_conversions.
13285 (combine_instructions): Rename check_promoted_subreg to
13287 (reg_truncated_to_mode): New function.
13288 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13289 (gen_lowpart_or_truncate): New function.
13290 (force_to_mode): Use it instead of gen_lowpart.
13292 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13294 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13295 VAR is a tag, not its type tag.
13297 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13299 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13300 alternatives to match style of other entries.
13301 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13303 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13305 PR tree-optimization/25771
13306 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13309 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13312 * tree-inline.c (declare_return_variable): If the return variable
13313 was marked as a non gimple complex, set the return slot variable
13314 to be a non gimple comple variable.
13316 2006-01-13 Richard Guenther <rguenther@suse.de>
13318 * builtins.c (expand_builtin_sincos): New function.
13319 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13321 (expand_builtin): Expand sincos using expand_builtin_sincos.
13323 2006-01-12 DJ Delorie <dj@redhat.com>
13325 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13326 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13327 so that constant shifts can be split.
13328 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13329 (m32c_valid_pointer_mode): Make static.
13330 (shift_gen_func_for): New.
13331 (m32c_prepare_shift): Use it. Split large const shifts into
13333 * config/m32c/predicates.md (shiftcount_operand): Allow more
13335 (longshiftcount_operand): New.
13336 * doc/md.texi (Machine Constraints): Document In6.
13338 2006-01-13 Ben Elliston <bje@au.ibm.com>
13340 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13341 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13344 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13346 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13347 to try to avoid clobbering pieces of structures when we know
13348 something about the whole structure.
13349 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13351 2006-01-13 Ben Elliston <bje@au.ibm.com>
13353 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13354 return in memory, as this is no limitation is no longer present.
13356 2006-01-12 DJ Delorie <dj@redhat.com>
13358 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13359 mova with fb, and for fb+0 -> An.
13361 * config/m32c/mov.md (peephole2): Fix enabling logic.
13363 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13364 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13365 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13366 FINI_ARRAY_SECTION_ASM_OP): Define.
13368 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13370 (m32c_legitimize_reload_address): New logic to reload FB to An.
13371 (m32c_output_reg_push): Add newline.
13372 (m32c_output_reg_pop): Likewise.
13374 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13376 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13378 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13380 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13382 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13384 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13387 2006-01-11 Ben Elliston <bje@au.ibm.com>
13389 * rtlanal.c (find_reg_note): Assert insn is not null.
13391 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13393 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13396 2006-01-11 Jeff Law <law@redhat.com>
13398 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13400 (mark_threaded_blocks, register_jump_thread): New functions.
13401 (thread_through_all_blocks): Remove unwanted argument. No
13402 longer rely on e->aux to communicate thread target info.
13403 Call mark_threaded_blocks. Release the threaded_blocks
13404 bitmap and threaded_edges vector when complete.
13405 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13406 (threaded_blocks): Remove.
13407 (tree_ssa_dominator_optimize): Remove initialization and
13408 finalization of threaded_blocks. Simplify call to
13409 thread_through_all_blocks.
13410 (thread_across_edge): Call register_jump_thread rather than
13411 storing thread information into e->aux.
13412 (free_all_edge_infos): Simplify now that e->aux is no longer
13413 used to communicate with thread_through_all_blocks.
13414 * tree-flow.h (thread_through_all_blocks): Update prototype.
13415 (register_jump_thread): Prototype.
13417 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13419 * df-core.c (df_compact_blocks, df_bb_replace): Use
13420 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13422 2006-01-11 Richard Guenther <rguenther@suse.de>
13424 PR tree-optimization/25734
13425 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13426 stop propagation after successful propagation to the LHS.
13428 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13430 * basic-block.h (control_flow_graph): Change the type of
13431 x_basic_block_info to VEC(basic_block,gc) *.
13432 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13434 (SET_BASIC_BLOCK): New.
13435 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13436 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13437 * cfgbuild.c (find_basic_blocks): Likewise.
13438 * cfglayout.c (fixup_reorder_chain): Likewise.
13439 * cfgrtl.c (create_basic_block_structure,
13440 rtl_create_basic_block): Likewise.
13441 * ifcvt.c (find_if_case_1): Likewise.
13442 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13445 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13447 * Makefile.in: Removed rotted odf.c entry.
13449 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13452 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13453 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13454 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13455 output pattern modifier, not %e.
13456 * config/cris/cris.c (cris_op_str): Update comment about pattern
13458 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13459 before falling through into...
13460 <case 'E'>: Redefined from old 'e' case.
13462 2006-01-11 Jan Hubicka <jh@suse.cz>
13465 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13467 2006-01-11 Jan Hubicka <jh@suse.cz>
13469 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13470 * i386.c (x86_decompose_lea): Kill.
13471 (ix86_rtx_costs): Kill.
13473 2006-01-11 Jan Hubicka <jh@suse.cz>
13475 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13476 * cgraph.h (cgraph_node): Add inline_decl.
13477 (cgraph_insert_node_to_hashtable): Declare.
13478 (save_inline_function_body): Declare.
13479 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13481 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13482 (cgraph_function_versioning): Update call of tree_function_versioning.
13483 (save_inline_function_body): New function.
13484 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13485 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13486 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13487 (cgraph_default_inline_p): Likewise.
13488 (cgraph_decide_inlining_incrementally): Likewise.
13489 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13490 (copy_bb): Kill saving; do updating of clones.
13491 (copy_cfg_body): Kill saving.
13492 (initialize_inlined-parameters): Likewise.
13493 (expand_call_inline): Likewise.
13495 (tree_function_versioning): New parameter "update_clones".
13496 (inlining_p): Kill saving.
13497 * tree-inline.h (tree_function_versioning): Update prototype.
13498 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13501 2006-01-11 Ian Lance Taylor <ian@airs.com>
13503 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13504 Allow undoing set of machine mode.
13505 (do_SUBST): Use enums instead of is_int.
13506 (do_SUBST_MODE): New function.
13507 (SUBST_MODE): New macro.
13508 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13509 reg and trying to replace reg_regno_rtx with a new register.
13510 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13511 (simplify_set): Use SUBST_MODE.
13512 (distribute_notes): Remove code that tried to update reg notes
13513 for regno_reg_rtx changes.
13515 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13517 PR tree-optimization/23109
13518 PR tree-optimization/23948
13519 PR tree-optimization/24123
13521 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13522 * tree-cfg.c (single_noncomplex_succ): New.
13523 * tree-flow.h (single_noncomplex_succ): Declare it.
13524 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13525 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13526 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13527 insert_bb, register_division_in, insert_reciprocals,
13528 replace_reciprocal, free_bb): New.
13529 (execute_cse_reciprocals_1): Rewritten.
13530 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13531 Do not commit any edge insertion. Always compute dominators and
13532 create the allocation pool.
13533 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13534 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13535 * targhooks.c (default_min_divistions_for_recip_mul): New.
13536 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13537 * passes.c (init_optimization_passes): Run recip after tree loop
13539 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13541 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13542 Kenneth Zadeck <zadeck@naturalbridge.com>
13544 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13545 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13546 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13547 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13548 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13549 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13550 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13551 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13552 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13553 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13554 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13555 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13556 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13557 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13558 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13559 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13560 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13561 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13562 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13563 DF_SCAN_POST_ALLOC): New macros.
13564 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13565 df_free_bb_function, df_local_compute_function, df_init_function,
13566 df_dataflow_function, df_confluence_function_0,
13567 df_confluence_function_n, df_transfer_function,
13568 df_finalizer_function, df_free_function, df_dump_problem_function,
13569 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13570 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13571 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13572 df_urec_bb_info, ) New types.
13573 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13575 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13576 df_analyze_simple_change_some_blocks,
13577 df_analyze_simple_change_one_block, df_compact_blocks,
13578 df_bb_replace, df_bb_regno_last_use_find,
13579 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13580 df_insn_regno_def_p, df_find_def, df_find_use,
13581 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13582 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13583 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13584 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13585 debug_df_chain, df_get_dependent_problem, df_chain_create,
13586 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13587 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13588 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13589 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13590 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13591 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13592 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13593 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13594 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13595 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13596 df_reorganize_refs, df_set_state, df_hard_reg_init,
13597 df_read_modify_subreg_p) New public functions.
13598 * df-core.c: The core dataflow solver and glue routines for rtl
13600 (df_init, df_add_problem, df_set_blocks, df_finish,
13601 df_hybrid_search_forward, df_hybrid_search_backward,
13602 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13603 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13604 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13605 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13606 df_reg_defined, df_find_use, df_reg_used, df_dump,
13607 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13608 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13609 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13610 debug_df_useno, reset_df_after_reload): New functions.
13611 * df-scan.c: The scanning fuctions, once in df.c, completely
13612 rewritten so that they now fully model the functionality of
13613 register usage at the backend.
13614 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13615 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13616 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13617 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13618 df_get_artificial_defs, df_get_artificial_uses,
13619 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13620 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13621 df_refs_delete, df_reorganize_refs, df_set_state,
13622 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13623 df_def_record_1, df_defs_record, df_uses_record,
13624 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13625 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13626 df_record_exit_block_uses, df_hard_reg_init): New functions.
13628 * df-problems.c: Seven concrete dataflow problems that use the
13629 scanning in df-scan.c and are solved by the engine in df-core.c.
13630 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13631 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13632 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13633 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13634 df_ru_free_bb_info, df_ru_alloc,
13635 df_ru_bb_local_compute_process_def,
13636 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13637 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13638 df_ru_transfer_function, df_ru_free, df_ru_dump,
13639 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13640 df_rd_free_bb_info, df_rd_alloc,
13641 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13642 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13643 df_rd_transfer_function, df_rd_free, df_rd_dump,
13644 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13645 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13646 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13647 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13648 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13649 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13650 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13651 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13652 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13653 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13654 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13655 df_urec_mark_reg_use_for_earlyclobber,
13656 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13657 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13658 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13659 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13660 df_chain_create_bb_process_use, df_chain_create_bb,
13661 df_chain_finalize, df_chain_free, df_chains_dump,
13662 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13663 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13664 df_reg_lifetime): New functions.
13665 * df.c: Deleted file.
13666 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13667 consistent with new df api.
13668 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13669 rest_of_handle_sms): Ditto.
13670 * web.c (unionfind_union, union_defs, entry_register, web_main):
13672 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13673 invariant_expr_equal_p, find_defs, check_dependencies,
13674 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13675 free_inv_motion_data, move_loop_invariants): Ditto.
13676 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13677 Update dependencies.
13678 (odf.c): Added defective entry that was deleted later in day.
13679 * sched-deps.c (sched_analyze_1): Ditto.
13681 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13683 * tree-ssa-operands.c (get_expr_operands): Record addressable
13684 variables directly. Do not call add_stmt_operands for CONST_DECLs
13686 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13687 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13689 2006-01-11 Ben Elliston <bje@au.ibm.com>
13691 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13692 function returns true in the positive case.
13694 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13697 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13698 for SI, DI, SF and DF modes. Add alternatives to copy between
13699 general and floating point registers to the 32-bit patterns.
13700 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13701 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13702 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13703 generating 64-bit code.
13704 * config/pa/pa.c (output_move_double): Handle copies between general
13705 and floating registers.
13707 2006-01-10 Stuart Hastings <stuart@apple.com>
13709 * config/i386/i386.md (set_got): Update.
13710 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13711 (builtin_setjmp_receiver): Mach-O support.
13712 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13713 (GOT_SYMBOL_NAME): Define.
13714 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13715 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13716 * config/i386/i386.c (override_options): Revise for Darwin.
13717 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13718 support. (darwin_x86_file_end): New. (output_set_got): Add label
13719 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13720 * config/i386/i386-protos.h (output_set_got): Likewise.
13721 * config/darwin.c (machopic_legitimize_pic_address): Update
13724 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13726 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13727 when MODE isn't BLKmode.
13729 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13731 PR rtl-optimization/25367
13732 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13734 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13737 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13738 for a negative bound.
13740 2006-01-10 Richard Guenther <rguenther@suse.de>
13742 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13743 Never override with anything constraint.
13745 2006-01-10 Jan Beulich <jbeulich@novell.com>
13747 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13748 256 bits when optimize_size.
13750 2006-01-10 Jan Beulich <jbeulich@novell.com>
13752 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13754 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13755 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13758 2006-01-10 Ben Elliston <bje@au.ibm.com>
13760 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13762 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13763 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13764 (USE_FP_FOR_ARG): Reject decimal float modes.
13765 (function_arg_advance): Likewise.
13766 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13767 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13768 point types in AltiVec vectors.
13769 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13770 (rs6000_libcall_value): Likewise.
13772 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13774 * config/xtensa/ieee754-df.S: New file.
13775 * config/xtensa/ieee754-sf.S: New file.
13776 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13777 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13778 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13780 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13782 * config/sh/predicates.md (binary_float_operator,
13783 binary_logical_operator, commutative_float_operator,
13784 equality_comparison_operator, greater_comparison_operator,
13785 less_comparison_operator, logical_operator,
13786 noncommutative_float_operator, shift_operator,
13787 symbol_ref_operand, unary_float_operator): Remove redundant
13790 2006-01-09 Jeff Law <law@redhat.com>
13792 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13793 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13794 now unused arguments. Callers updated.
13795 (eliminate_redundant_computations): Remove now unused arguments,
13797 (local_fold): Remove, no longer used.
13798 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13800 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13801 (simplify_cond): New function.
13802 (forward_propagate_into_cond): Call simplify_cond.
13804 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13806 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13807 (*vec_extractv2di_1_sse): New.
13809 2006-01-09 Ben Elliston <bje@au.ibm.com>
13811 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13813 2006-01-08 Richard Guenther <rguenther@suse.de>
13815 * tree-ssa-structalias.c (get_constraint_for): Remove
13816 anyoffset argument.
13817 (get_constraint_for_component_ref): Likewise.
13818 (do_deref): Likewise.
13819 (get_constraint_for): Likewise.
13820 (do_structure_copy): Likewise.
13821 (handle_ptr_arith): Likewise.
13822 (find_func_aliases): Likewise. Remove unused need_anyoffset
13825 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13826 Kaz Kojima <kkojima@gcc.gnu.org>
13828 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13829 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13830 (EXTRA_CONSTRAINT_C16): Remove.
13831 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13832 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13833 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13834 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13835 constants of SHmedia. Handle nested constant expressions of
13837 (andcosts): Fix the costs for SHmedia constants.
13838 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13839 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13840 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13841 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13842 (movv4hi_i, movv2si_i): Likewise.
13843 (movsi_const): Adjust the second operand of ior so to match with
13844 the Csu constraint.
13845 (movdi_const, movdi_const_32bit): Likewise.
13846 (movdi_const_16bit+1): Don't sign-extend LOW.
13847 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13849 (*double_shori): Fix the split condition. Use GEN_INT instead
13850 of get_int_mode calls. Mask lower 16-bit of the argument of
13852 (sym2GOTPLT): Remove.
13853 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13855 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13856 instead of EXTRA_CONSTRAINT_C16.
13858 2006-01-07 Ian Lance Taylor <ian@airs.com>
13859 David Edelsohn <edelsohn@gnu.org>
13861 PR rtl-optimization/25662
13862 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13863 for constant operands instead of simplify_gen_binary.
13864 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13865 after trying simplify_binary_operation
13867 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13869 * tree.c (iterative_hash_expr): Hash decls based on UID.
13871 2006-01-06 Eric Christopher <echristo@apple.com>
13873 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13874 (TARGET_UNWIND_EMIT): Fix spelling.
13875 * target.h (gcc_target): Add except_table_label.
13876 * except.c (output_function_exception_table): Use.
13877 * varasm.c (default_emit_except_table_label): New.
13878 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13880 (asm_out): Add here.
13881 * output.h (default_emit_except_table_label): Prototype.
13882 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13883 * config/darwin.c (darwin_emit_except_table_label): Define.
13884 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13886 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13888 PR tree-optimization/18527
13889 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13890 number_of_iterations_special, number_of_iterations_exit):
13891 Move base and step of an iv to a single structure. Add
13892 no_overflow flag, and use it in # of iterations analysis.
13893 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13894 folded_casts argument.
13895 (simple_iv): Pass base and step in a structure. Set no_overflow
13897 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13898 Evaluate expensiveness of computing # of iterations instead of
13899 the final expression.
13900 * tree-scalar-evolution.h (affine_iv): New structure.
13901 (simple_iv): Declaration changed.
13902 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13903 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13904 find_givs_in_stmt): Changed due to simple_iv change.
13906 2006-01-06 Jeff Law <law@redhat.com>
13909 * tree-cfg.c (bsi_replace): Rename final argument from
13910 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13911 change (stmt -> orig_stmt).
13912 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13913 (bsi_remove): Add new argument. Remove EH information
13915 (verify_eh_throw_table_statements): New function.
13916 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13918 * tree-optimize.c (execute_free_cfg_annotations): Verify
13919 the EH throw statement table after removing annotations.
13920 * except.h (verify_eh_throw_table_statements): Prototype.
13921 * tree-flow.h (bsi_remove): Update prototype.
13922 * tree-vrp.c (remove_range_assertions): Add new argument to
13924 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13925 * tree-complex.c (expand_complex_div_wide): Likewise.
13926 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13927 * tree-tailcall.c (eliminate_tailcall): Likewise.
13928 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13929 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13930 * tree-nrv.c (tree_nrv): Likewise.
13931 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13932 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13933 (combine_blocks): Likewise.
13934 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13935 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13936 (cleanup_control_flow): Likewise.
13937 (remove_forwarder_block): Likewise.
13938 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13939 * tree-sra.c (sra_replace): Likewise.
13940 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13941 (forward_propagate_single_use_vars): Likewise.
13942 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13943 * tree-inline.c (expand_call_inline): Likewise.
13944 * tree-vect-transform.c (vect_transform_loop): Likewise.
13945 * tree-outof-ssa.c (rewrite_trees): Likewise.
13946 * tree-cfg.c (make_goto_expr_edges): Likewise.
13947 (cleanup_dead_labels): Likewise.
13948 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13949 (bsi_move_before, bsi_move_after): Likewise.
13950 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13951 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13953 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13956 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13958 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13959 on non gimple variables. Also add checks at the top for decls and
13961 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13963 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13964 and IMAGPART_EXPR for creating MUST_DEFs.
13965 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13966 and NAME_MEMORY_TAG separately from the DECLs.
13968 2006-01-06 Richard Guenther <rguenther@suse.de>
13970 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13971 annotation, if necessary.
13972 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13973 redundant calls to update_stmt.
13974 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13977 2006-01-05 Richard Henderson <rth@redhat.com>
13979 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13981 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13983 * c-typeck.c: Update copyright date.
13985 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13987 * c-typeck.c (build_c_cast): Always warn when casting
13988 from a pointer to an integer of different size, even if
13989 the node was constant.
13991 2006-01-05 Richard Guenther <rguenther@suse.de>
13993 PR tree-optimization/22555
13994 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13995 if one structure field is an array.
13996 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13997 operands even if we found a subvar, but ignore VOPs in this
13999 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14001 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14003 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14005 PR middle-end/24998
14006 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14008 2006-01-05 Richard Guenther <rguenther@suse.de>
14009 Diego Novillo <dnovillo@redhat.com>
14011 * tree-pass.h (TODO_remove_unused_locals): Define.
14012 * gimple-low.c (expand_var_p, remove_useless_vars,
14013 pass_remove_useless_vars): Remove. Update all users.
14014 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14015 (remove_unused_locals): New function.
14016 * tree-flow.h (remove_unused_locals): Declare.
14017 * passes.c (execute_todo): Call remove_unused_locals if
14018 TODO_remove_unused_locals is set.
14019 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14020 * tree-ssa-dce.c (pass_dce): Likewise.
14021 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14023 2006-01-05 Richard Guenther <rguenther@suse.de>
14025 * tree-flow.h (struct fieldoff): Decompose field to
14026 type, size and decl.
14027 * tree-ssa-alias.c (create_sft): Take type as parameter.
14028 (create_overlap_variables_for): Store type, size and decl
14029 in the fieldoff structure.
14030 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14031 of struct fieldoff.
14032 (push_fields_onto_fieldstack): Likewise.
14033 (create_variable_info_for): Likewise. Use offset for the
14034 SFT name if the decl is not available.
14036 2006-01-04 Paul Brook <paul@codesourcery.com>
14038 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14040 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14042 * lambda-code.c (can_put_in_inner_loop): Relax
14044 (can_put_after_inner_loop): New function.
14045 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14046 (perfect_nestify): Change to make copies and modify uses.
14048 2006-01-04 Richard Henderson <rth@redhat.com>
14050 Merge from gomp branch:
14051 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14052 via integer constant.
14053 (pragma_lex): Remove.
14054 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14055 rather than parsing it.
14056 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14057 handle_pragma_extern_prefix): Add %< %> quotes.
14058 (registered_pragmas): New.
14059 (c_register_pragma_1): New.
14060 (c_register_pragma): Use it.
14061 (c_register_pragma_with_expansion): Likewise.
14062 (c_invoke_pragma_handler): New.
14063 (init_pragma): Use cpp_register_deferred_pragma directly for
14065 * c-pragma.h (enum pragma_kind): New.
14066 (pragma_handler): New.
14067 (c_invoke_pragma_handler): Declare.
14068 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14070 * c-common.h (c_common_pch_pragma): Update decl.
14071 * Makefile.in (c-parser.o): Update dependencies.
14072 (GTFILES): Add c-pragma.h.
14073 * c-parser.c (struct c_token): Add pragma_kind.
14074 (struct c_parser): Add in_pragma.
14075 (c_lex_one_token): Always initialize keyword and pragma_kind.
14076 Extract data for CPP_PRAGMA.
14077 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14078 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14079 Don't allow CPP_PRAGMA_EOL if in_pragma.
14080 (c_parser_consume_pragma): New.
14081 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14082 (c_parser_skip_to_end_of_parameter): Likewise.
14083 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14084 (c_parser_skip_to_pragma_eol): New.
14085 (c_parser_external_declaration): Handle CPP_PRAGMA.
14086 (c_parser_compound_statement_nostart): Likewise.
14087 (c_parser_statement_after_labels): Likewise.
14088 (c_parser_pragma): New.
14089 (pragma_lex): Likewise.
14090 (c_parser_pragma_pch_preprocess): New.
14091 (c_parser_new): Merge into ...
14092 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14094 2006-01-04 Jeff Law <law@redhat.com>
14097 * tree-cfg.c (bsi_replace): Remove the original statement
14098 from the EH throw statement table.
14100 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14102 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14103 make the prototype extern "C" and add throw ().
14106 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14107 and pos non-negative and pos + len <= 32.
14108 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14109 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14110 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14113 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14114 as well as sizes not multiple of component size.
14117 * function.c (instantiate_expr): New function.
14118 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14119 walk its DECL_VALUE_EXPR with instantiate_expr.
14121 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14122 DW_OP_deref{,_size} if address isn't going to be added.
14124 2006-01-04 Ben Elliston <bje@au.ibm.com>
14126 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14127 * config/fp-bit.c: Likewise.
14129 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14131 * dominance.c: Add comment about why we use DFS numbering
14134 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14135 Richard Henderson <rth@redhat.com>
14137 Merge from gomp-branch:
14138 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14139 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14141 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14143 PR rtl-optimization/25578
14144 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14145 pass a parameter to simplify_shift_const if changing ASHIFTRT
14148 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14150 * builtins.c (get_builtin_sync_mem): New function.
14151 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14152 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14153 Call get_builtin_sync_mem to generate mem rtx.
14155 2006-01-03 Richard Guenther <rguenther@suse.de>
14158 * stmt.c (add_case_node): Make sure to clear overflow flags
14161 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14163 Merge from gomp-branch.
14164 * config/sparc/sync.md: New file.
14165 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14166 UNSPECV_LDSTUB): New constants.
14167 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14168 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14169 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14172 2006-01-03 Roger Sayle <roger@eyesopen.com>
14174 * combine.c (reg_subword_p): New predicate to test whether the
14175 destination of a set refers to a subword/piece of a register.
14176 (try_combine): Generalize the code to merge the setting of a
14177 pseudo to a constant followed by a set of a subword of that
14178 register to a constant.
14180 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14182 * basic-block.h (control_flow_graph): Change the type of
14183 x_label_to_block_map to VEC(basic_block,gc) *.
14184 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14185 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14187 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14188 VEC(basic_block,heap) *.
14189 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14190 ssa_prop_fini): Adjust the uses of cfg_blocks.
14192 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14194 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14196 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14197 hashing trees instead of a pointer hash.
14198 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14199 compare for MEM_EXPR.
14201 PR rtl-optimization/25130
14202 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14203 when comparing MEMs for GCSE
14205 2006-01-03 Ben Elliston <bje@au.ibm.com>
14207 * targhooks.h (default_decimal_float_supported_p): Declare.
14208 * targhooks.c (default_decimal_float_supported_p): Define.
14209 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14210 `default_decimal_float_supported_p'.
14211 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14213 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14215 * combine.c (apply_distributive_law <SUBREG>): Check
14216 TRULY_NOOP_TRUNCATION.
14218 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14220 * dwarf2out.c (have_switched_text_section): Delete.
14221 (have_multiple_function_sections): New.
14222 (have_location_lists): Make 'bool'.
14223 (add_AT_loc_list): Use 'true' not '1'.
14224 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14225 (output_loc_list): Use have_multiple_function_sections.
14226 (output_ranges): Likewise.
14227 (dwarf2out_begin_function): Set have_multiple_function_sections if
14229 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14230 Check function_section rather than DECL_SECTION_NAME.
14231 (dwarf2out_finish): Use have_multiple_function_sections.
14232 Don't clear have_location_lists.
14234 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14235 Jan Hubicka <jh@suse.cz>
14237 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14238 case of conditional jump jumping to the next instruction.
14239 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14240 cases of conditional jump jumping to the next instruction.
14242 2006-01-02 Jan Hubicka <jh@suse.cz>
14244 * i386.c (*_cost): Add COSTS_N_INSNS.
14245 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14247 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14250 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14252 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14254 * config/arm/arm.c (all_fpus): Fix comment typo.
14255 * config/darwin.c: Likewise.
14256 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14257 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14258 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14260 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14262 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14263 (rs6000_split_compare_and_swapqhi): New.
14264 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14265 (sync_compare_and_swapqhi_internal): New.
14266 * config/rs6000/rs6000-protos.h: Declare.