| blob | dc3fef912f15970e4af568e0bd25d9a9249adddb |
1 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4 #if !__SHMEDIA__ .
6 2006-08-21 Olivier Hainque <hainque@adacore.com>
8 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
9 Arrange for the temporary captures of components overlapping the lhs
10 to happen before the lhs is possibly cleared.
12 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
14 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
15 necessary places to pass the correct "number of registers" values
16 to _Unwind_VRS_Pop.
18 2006-08-20 Jan Hubicka <jh@suse.cz>
20 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
21 (create_name_tags): Instead of quadratic checking use hashtable.
22 * bitmap.h: Include hashtab.h.
23 (bitmap_hash): Declare.
24 * bitmap.c (bitmap_hash): New function.
26 2006-08-20 Jan Hubicka <jh@suse.cz>
28 PR rtl-optimization/28071
29 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
30 twice.
31 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
32 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
33 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
34 cgraph_decide_inlining_incrementally): Update use of
35 cgraph_check_inline_limits.
36 * cgraph.c (edge_hash, edge_eq): New function.
37 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
38 cgraph_edge_remove_caller, cgraph_node_remove_callees,
39 cgraph_remove_node): Maintain call site hash.
40 * cgraph.h (struct cgraph_node): Add call_site_hash.
41 (cgraph_set_call_stmt): New function.
43 2006-08-20 Jan Hubicka <jh@suse.cz>
45 PR rtl-optimization/28071
46 * reload1.c (reg_has_output_reload): Turn into regset.
47 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
48 choose_reload_regs, emit_reload_insns): Update to new
49 reg_has_output_reload.
51 2006-08-20 Jan Hubicka <jh@suse.cz>
53 PR middle-end/28779
54 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
55 function body sizes.
56 * cgraphunit.c (cgraph_analyze_function): Don't do so.
58 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
60 PR target/28648 c:
61 * tree.c (handle_dll_attribute): Return early if not a
62 var or function decl.
64 2006-08-18 Joseph Myers <joseph@codesourcery.com>
66 PR target/27565
67 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
68 alignment of SPE vector types.
70 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
72 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
74 2006-08-17 Jakub Jelinek <jakub@redhat.com>
76 PR c/28744
77 * cgraph.h (struct cgraph_node): Remove externally_visible
78 bitfield.
79 * cgraphunit.c (process_function_and_variable_attributes): Set
80 local.externally_visible rather than externally_visible.
82 PR c/28744
83 * c-common.c (handle_externally_visible_attribute): First look
84 at TREE_CODE and only if it is function or var decl, check for
85 non-public objects. Don't warn for DECL_EXTERNAL.
86 * cgraphunit.c (process_function_and_variable_attributes): Warn
87 if externally_visible attribute is used on non-public object.
89 2006-08-17 Jan Hubicka <jh@suse.cz>
91 PR tree-optimization/27865
92 * reload1.c (forget_marked_reloads): New function.
93 (forget_old_reloads_1): When data are passed, just mark the registers
94 for later removal.
95 (reload_as_needed): Use the new mechanizm.
97 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
99 PR target/28146
100 * reload.h (reg_equiv_alt_mem_list): New declaration.
101 * reload1.c (reg_equiv_alt_mem_list): New definition.
102 (reload): Initialize it and release it.
103 (delete_output_reload): Use it.
104 * reload.c (push_reg_equiv_alt_mem): New function.
105 (find_reloads_toplev): Call it.
106 (find_reloads_address, find_reloads_address_1): Likewise.
107 (find_reloads_subreg_address): Likewise.
109 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
111 PR rtl-optimization/28489
112 * sched-ebb.c (begin_schedule_ready): Create basic block
113 at the right place.
114 (advance_target_bb): Skip empty blocks.
115 * haifa-sched.c (bb_note): Make global.
116 * sched-int.h (bb_note): Add prototype.
118 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
120 PR tree-optimization/27865
121 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
122 for pointer types.
123 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
124 fold_used_pointer, pointer_used_p): New functions.
125 (analyze_scalar_evolution_1): Use fold_used_pointer.
126 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
127 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
128 for pointers.
130 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
132 PR c++/28573
133 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
134 or the INTEGER_CST. Fail on a CALL_EXPR.
135 (fold_offsetof): Pass new argument to fold_offsetof_1.
136 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
137 operand into an INDIRECT_REF.
138 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
140 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
142 PR gcov/profile/26570
143 * value-prof.c (static_values): Removed.
144 (tree_find_values_to_profile): Do not set static_values.
145 (find_values_to_profile): Do not free static_values.
146 * profile.c (instrument_values): Do not free the values.
147 (branch_prob): Free the values.
149 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
151 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
153 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
155 PR c/27697
156 * c-typeck.c (build_component_ref): Combine qualifiers of
157 structure or union and field.
159 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
161 PR rtl-optimization/28071
162 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
163 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
164 * tree-into-ssa.c (struct dom_dfsnum): New.
165 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
166 functions.
167 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
168 compute_global_livein.
169 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
170 in phi nodes in the correct blocks.
172 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
174 PR tree-optimization/28364
175 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
176 correctly.
177 (fold_affine_expr): New function.
178 (may_eliminate_iv): Use fold_affine_expr.
180 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
182 PR c/27489
183 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
184 Clean up.
186 2006-08-16 Mike Stump <mrs@apple.com>
188 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
189 * doc/cppopts.texi (-MD): Likewise.
191 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
193 PR c/28287
194 * c-common.c (handle_weak_attribute): Ignore and warn if
195 not a FUNCTION_ or VAR_DECL.
197 2006-07-15 Mike Stump <mrs@apple.com>
199 PR c/28280
200 * c-parser.c (c_parser_typeof_specifier): Don't use
201 c_finish_expr_stmt, open code desired semantics instead.
203 2006-08-15 Nick Clifton <nickc@redhat.com>
205 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
206 fragment to tmake_file only if threads are enabled.
207 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
208 * config/i386/t-gthr-win32: New file. ... here.
210 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
212 PR c/28649
213 * c-parser.c (c_parser_compound_statement_nostart): Reset
214 parser->error after each statement.
216 2006-08-15 Jakub Jelinek <jakub@redhat.com>
218 PR middle-end/28713
219 * omp-low.c (lower_omp_parallel): Convert t to
220 receiver_decl's type.
221 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
222 source before comparison.
224 PR middle-end/28724
225 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
226 to itype in assignment to oldival2.
228 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
230 PR c/27490
231 PR c/27489
232 * c-typeck.c (build_compound_expr): If the second expression
233 is an error mark, then just return an error mark instead of
234 creating a COMPOUND_EXPR.
236 2006-07-14 Mike Stump <mrs@apple.com>
238 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
240 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
242 * c-decl.c, var-tracking.c: Fix comment typos.
244 2006-08-14 Richard Sandiford <richard@codesourcery.com>
246 PR rtl-optimization/28634
247 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
248 for floating-point modes unless flag_unsafe_math_optimizations.
250 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
251 Andrew Pinski <pinskia@physics.uc.edu>
253 PR c/27184
254 * tree.c (build_array_type): Unify array types with
255 unspecified index_type.
256 * c-decl.c (grokdeclarator): Make sure we do not modify a
257 unified incomplete array type.
258 * c-typeck.c (store_init_value): Create distinct type before
259 filling in the index type in an initializer from a compound
260 literal.
262 * c-decl.c (grokdeclarator): Remove code where we copy the
263 array type over.
265 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
267 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
268 into account for TODO_dump_cgraph.
269 (TODO_update_ssa_no_phi): Likewise.
270 (TODO_update_ssa_full_phi): Likewise.
271 (TODO_update_ssa_only_virtuals): Likewise.
272 (TODO_remove_unused_locals): Likewise.
273 (TODO_set_props): Likewise.
274 (TODO_update_stmt_usage): Likewise.
276 2006-08-13 Dirk Mueller <dmueller@suse.de>
278 * c-common.c (strict_aliasing_warning): Fix formatting.
280 2006-08-13 Matthias Klose <doko@debian.org>
282 * doc/invoke.texi: Fix spelling errors.
284 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
286 PR rtl-optimization/23454
287 * reorg.c (relax_delay_slots): Update comment.
289 2006-08-11 Richard Guenther <rguenther@suse.de>
291 PR middle-end/28651
292 * simplify-rtx.c (simplify_const_relational_operation):
293 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
294 codes.
296 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
298 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
299 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
301 2006-08-10 Paul Brook <paul@codesourcery.com>
303 * final.c (final_scan_insn): Clear current_insn_predicate before
304 outputting inline asm.
306 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
308 PR tree-optimization/26197
309 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
310 get_ref_base_and_extent and overlap_subvar to add only relevant
311 subvars as may-aliases.
312 (add_may_alias_for_new_tag): New function, factored out of
313 new_type_alias.
314 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
315 with additional argument.
316 * tree-flow.h (new_type_alias): Takes additional argument.
318 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
320 * gcov.c (no_data_file): New flag.
321 (read_count_file): Set it if data file not present. Assume counts
322 zero if not found.
323 (output_lines): Don't name the data file, if there wasn't one.
325 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
327 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
328 (rs6000_generate_compare): Tweak comments.
329 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
331 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
333 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
334 (var_debug_decl): New function.
335 (var_reg_set): Follow debug decl link. Add location even if
336 reg is already known to hold some other variable.
337 (var_mem_set): Follow debug decl link.
338 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
339 decl link. Delete other known locations of the variable part
340 if requested.
341 (var_reg_delete, var_mem_delete): Delete other known locations
342 of the variable part if requested.
343 (same_variable_part_p): New function.
344 (add_stores): Select MO_COPY when appropriate.
345 (vt_initialize): Handle it.
346 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
347 known locations for MO_SET and MO_CLOBBER.
348 (find_variable_location_part): New function.
349 (set_variable_part, delete_variable_part): Use it.
350 (clobber_variable_part): New function.
351 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
352 decl link.
354 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
356 PR tree-optimization/26969
357 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
358 with an empty list of PHIs.
360 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
362 PR target/27827
364 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
365 instructions.
367 2006-08-06 Andreas Schwab <schwab@suse.de>
369 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
370 string. Whitespace and comment fixup.
372 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
374 PR c/28502
375 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
376 argument.
378 PR c/27721
379 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
381 PR c/28136
382 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
384 2006-08-04 Jan Hubicka <jh@suse.cz>
386 PR target/26655
387 PR target/28270
388 * reload.c (push_reload): Patch out the mismatching instruction;
389 return early.
390 (find_reload): Bail out if the instruction was patched out.
392 2006-08-04 Jan Hubicka <jh@suse.cz>
394 PR tree-optimization/24888
395 * tree-inline.c (expand_call_inline): Do not re-record variables.
396 (declare_inline_vars): Add variable to unexpanded_var_list.
398 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
399 Roger Sayle <roger@eyesopen.com>
401 PR rtl-optimization/26244
402 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
403 inner_const are negative or greater than or equal to the bitsize of
404 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
405 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
406 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
407 CONST0_RTX (mode) when the new shift count is greater than or equal to
408 to the bitsize of the object being shifted and XEXP (y, 0) has no side
409 effects.
411 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
413 * tree-cfg.c: Fix a comment typo.
415 2006-08-03 Mark Mitchell <mark@codesourcery.com>
417 PR c++/28148
418 * varasm.c (output_constant): Give the front end another chance to
419 expand constants, after stripping NOPs.
421 2006-08-03 Jan Hubicka <jh@suse.cz>
423 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
424 implementation.
426 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
428 PR tree-optimization/27770
429 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
430 declaration removed (moved to tree-flow.h).
431 (vect_can_force_dr_alignment_p): Likewise.
432 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
433 (moved from tree-vectorizer.h).
434 (vect_can_force_dr_alignment_p): Likewise.
435 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
436 from outside the vectorizer - in particular from cgraph stage.
437 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
438 the alignment of global arrays when -fsection-anchors is enabled.
439 * cgraphunit.c (cgraph_increase_alignment): New function.
440 (cgraph_optimize): Call cgraph_increase_alignment.
442 2006-08-03 David Edelsohn <edelsohn@gnu.org>
444 PR target/27566
445 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
446 not reload a SPE symbol_ref into a lo_sum address.
448 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
450 PR debug/28063
451 * dwarf2out.c (prune_unused_types_prune): Move call to
452 prune_unused_types_update_strings to cover the parent DIE also.
454 2006-08-02 Jan Hubicka <jh@suse.cz>
456 PR gcov/profile/28480
457 * tree-cfg.c (change_bb_for_stmt): New function.
458 (tree_merge_blocks, tree_split_blocks): Use it.
460 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
462 PR c++/28250
463 PR c++/28257
464 PR c++/28259
465 PR c++/28267
466 * toplev.c (compile_file): Return early on errorcount or sorrycount.
467 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
468 (cgraph_optimize): Likewise.
470 2006-08-01 Stuart Hastings <stuart@apple.com>
472 * rtl.h (UINTVAL) New.
473 * config/rs6000/rs6000.c (SMALL_INT) Use it.
474 * testsuite/gcc.dg/20060801-1.c: New.
476 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
478 PR debug/23336
479 * c-typeck.c (build_external_type): Mark used enum types.
480 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
481 cfun also.
482 (gen_subprogram_die): Whitespace fix.
484 2006-08-01 Jan Hubicka <jh@suse.cz>
486 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
487 bitmap when not needed.
488 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
489 bitmaps.
491 2006-08-01 Dirk Mueller <dmueller@suse.de>
493 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
495 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
497 * Makefile.in: Revert part of previous patch:
498 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
499 and REGS_H.
501 2006-07-30 Eric Christopher <echristo@apple.com>
503 PR target/27543
504 * doc/extend.texi (i386 Variable Attributes): Add anchor.
505 (PowerPC Variable Attributes): New section.
507 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
509 PR target/28126 (partial fix)
510 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
512 2006-07-28 Jan Hubicka <jh@suse.cz>
514 PR rtl-optimization/28071
515 * cfgrtl.c (rtl_delete_block): Free regsets.
516 * flow.c (allocate_bb_life_data): Re-use regsets if available.
518 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
520 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
521 and variables used in dependencies.
523 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
525 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
526 %fs for -mcmodel=kernel.
527 (stack_tls_protect_test_di): Likewise.
529 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
531 * Makefile.in: Use mkinstalldirs.
533 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
535 PR driver/28437
536 * opts-common.c (prune_options): Skip joined switches.
538 2006-07-27 Jan Hubicka <jh@suse.cz>
540 PR rtl-optimization/28071
541 * cselib.c (cselib_process_insn): Don't remove useless values too
542 often for very large hashtables.
544 2006-07-27 Jan Hubicka <jh@suse.cz>
546 PR rtl-optimization/28071
547 * global.c (greg_obstack): New obstack.
548 (allocate_bb_info): Use it.
549 (free_bb_info): Likewise.
550 (modify_reg_pav): Likewise.
552 2006-07-27 Roger Sayle <roger@eyesopen.com>
554 * builtins.c (fold_fixed_mathfn): When long and long long are the
555 same size, canonicalize llceil*, llfloor*, llround* and llrint*
556 functions to their lceil*, lfloor*, lround* and lrint* forms.
558 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
560 PR gcc/28508
561 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
562 branch.
563 (rev_branch_insn): Likewise.
565 2006-07-27 Jan Hubicka <jh@suse.cz>
567 PR rtl-optimization/28071
568 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
569 (reg_set_in_bb, max_reg_computed): New static variables.
570 (regmove_optimize): Free the new array.
571 (fixup_match_1): Update call of reg_is_remote_constant_p.
573 2006-07-26 Jan Hubicka <jh@suse.cz>
575 PR tree-optimization/27882
576 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
577 and decl fields.
578 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
579 next pointer
580 (cgraph_analyze_compilation_unit): Likewise.
581 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
582 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
583 (cgraph_early_inlinine): Make order garbage collected.
584 * Makefile.in (gt-ipa-inline): New garbagecollected file.
586 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
588 * dbxout.c (output_types_sort): Add a comment.
589 (output_used_types): Free the VEC.
591 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
593 * function.c (reorder_fix_fragments): Delete.
594 (reorder_blocks): Don't call it.
595 (reorder_blocks_1): Put all subblocks under the origin block.
597 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
599 PR rtl-optimization/27907
600 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
601 FLOAT_TRUNCATE.
603 2006-07-25 Roger Sayle <roger@eyesopen.com>
605 PR middle-end/28473
606 * convert.c (convert_to_integer): When transforming (T)foo(x) into
607 bar(x) check that bar's result type can represent all the values of T.
609 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
611 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
613 2006-07-25 Nick Clifton <nickc@redhat.com>
615 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
616 size_lookup[] array.
617 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
618 (ggc_pch_count_object): Likewise.
619 (ggc_pch_alloc_object): Likewise.
620 (ggc_pch_write_object): Likewise.
621 (init_ggc): Do not attempt to initialize entries in the
622 size_lookup[] array for objects whose size is greater than than
623 the length of the array.
625 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
627 * dbxout.c (output_used_types_helper): Push queued types
628 on a VEC.
629 (output_types_sort): New.
630 (output_used_types): Collect used types on a VEC and sort them
631 before emission.
633 2006-07-24 Richard Guenther <rguenther@suse.de>
635 PR middle-end/28463
636 * cgraph.c (cgraph_remove_node): Do not check if dumps
637 are enabled.
638 * cgraphunit.c (cgraph_optimize): Likewise.
640 2006-07-24 Jan Hubicka <jh@suse.cz>
642 PR rtl-optimization/28071
643 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
644 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
645 splitting before first stmt.
647 2006-07-24 Jan Hubicka <jh@suse.cz>
649 PR rtl-optimization/28071
650 * ipa-inline.c (update_caller_keys): Remove edges that
651 are no longer inline candidates.
653 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
655 PR debug/27473
656 * dbxout.c (output_used_types_helper, output_used_types): New.
657 (dbxout_symbol): Call output_used_types.
659 2006-07-23 Jan Hubicka <jh@suse.cz>
661 PR c/25795
662 PR c++/27369
663 * cgraph.c (cgraph_varpool_nodes): Export.
664 (decide_is_variable_needed): Ignored "used" attribute in
665 unit-at-a-time mode.
666 * cgraph.h (cgraph_varpool_nodes): Declare.
667 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
668 unit-at-a-time mode.
670 2006-07-23 Roger Sayle <roger@eyesopen.com>
672 PR target/28247
673 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
674 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
675 the __gthrw form of thr_keycreate.
676 (__gthread_key_delete): Silence the unused argument warning.
678 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
680 PR debug/25468
681 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
682 Cache the last found '\0' marker to avoid quadratic behavior.
684 2006-07-23 Jan Hubicka <jh@suse.cz>
686 * i386.md (subsi_3_zext): Fix output template.
688 2006-07-21 Mike Stump <mrs@apple.com>
690 * doc/invoke.texi (C++ Dialect Options): Note that
691 -fvisibility-inlines-hidden doesn't affect explicitly
692 instantiationed inline methods.
694 2006-07-20 Roger Sayle <roger@eyesopen.com>
696 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
697 if the target assembler is GNU binutils' gas.
698 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
699 whether to pass GNU gas or native as command line options.
701 2006-07-20 Jason Merrill <jason@redhat.com>
703 * tree.c (remove_attribute): New fn.
704 * tree.h: Declare it.
706 2006-07-20 Paul Brook <paul@codesourcery.com>
708 PR 27363
709 * cse.c (cse_insn): Add destination addresses to hash table. Check if
710 they are invalidated by this instruction.
712 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
714 PR target/28427
715 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
717 2006-07-20 Eric Christopher <echristo@apple.com>
719 PR target/26877
720 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
722 2006-07-19 Eric Christopher <echristo@apple.com>
724 * config/t-slibgcc-darwin (stmp-lipo): Remove.
725 Rewrite dependencies for libgcc_s.1.dylib.
727 2006-07-19 Jakub Jelinek <jakub@redhat.com>
729 * except.c (duplicate_eh_regions_1): Clear next_peer.
731 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
733 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
734 -mlongcall does not guarantee all calls will be long.
735 * doc/extend.texi (long_call/short_call): Document that longcall
736 does not guarantee a long call will be used.
737 (longcall/shortcall): Likewise.
739 2006-07-18 Roger Sayle <roger@eyesopen.com>
741 PR middle-end/28283
742 * expmed.c (expand_shift): Additionally check that the shift_cost
743 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
744 before implementing a LSHIFT_EXPR as a sequence of additions.
745 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
746 middle-end that DImode shifts need to be synthesized by expand.
748 2006-07-18 Diego Novillo <dnovillo@redhat.com>
750 PR 28410
751 * tree-ssa-operands.c (access_can_touch_variable): Update
752 comment.
753 Return true if ALIAS is .GLOBAL_VAR.
755 2006-07-18 David Daney <ddaney@avtrex.com>
757 * gcc.c (display_help): Fix typo in help text.
759 2006-07-18 Olivier Hainque <hainque@adacore.com>
761 * tree.h (categorize_ctor_elements): Adjust prototype and add
762 descriptive comment, both in accordance with the interface change
763 described below.
764 * varasm.c (constructor_static_from_elts_p): New function.
765 Whether a constructor node is a valid static constant initializer
766 if all its elements are.
767 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
768 * output.h: Declare it.
769 * expr.c (categorize_ctor_elements_1): Return whether the constructor
770 is a valid constant initializer instead of computing the number of
771 non-constant elements. Use constructor_static_from_elts_p for this
772 purpose. Replace the head comment with an indication that this is a
773 helper for categorize_ctor_elements.
774 (categorize_ctor_elements): Same interface change as for the _1
775 helper. Former head comment from this helper moved here, adjusted to
776 account for the interface changes.
777 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
778 (all_zeros_p): Likewise.
779 * gimplify.c (gimplify_init_constructor): Decide whether we can make
780 static versions of the constructor from the categorize_ctor_elements
781 return value instead of the formerly computed number of non-constant
782 elements.
784 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
786 * configure: Regenerate.
787 * Makefile.in (build_libsubdir): New configure substitution
788 (build_libobjdir): New variable.
789 (BUILD_LIBIBERTY): Use it.
791 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
793 PR c/28286
794 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
796 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
798 PR c/26993
799 * c-common.c (handle_weakref_attribute): Ignore attribute in
800 the same conditions the alias attribute is ignored.
802 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
804 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
805 (dbxout_begin_prologue): Increment scope_labelno.
807 2006-07-17 Richard Henderson <rth@redhat.com>
809 PR 27889
810 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
811 if needed.
813 2006-07-17 Roger Sayle <roger@eyesopen.com>
814 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
816 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
817 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
818 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
819 functions such as sbrk, write, etc.. Add function prototypes.
820 Convert function declarations from K&R to ISO C. Cast pointers
821 to "long" and "unsigned long" instead of "int" and "unsigned int".
822 Convert tokens following #endif into comments.
824 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
826 * invoke.texi: Remove mention of f77; Reformat table for
827 inline parameter options correctly; mention that -malign-double
828 is default on x86-64 targets.
830 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
832 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
833 (convert_affine_scev, chrec_convert_aggressive): Use
834 avoid_arithmetics_in_type_p. Do not check for the subtypes
835 separately.
837 2006-07-17 Richard Sandiford <richard@codesourcery.com>
839 PR middle-end/28403
840 * optabs.c (expand_doubleword_shift): Wrap the call to
841 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
843 2006-07-17 Richard Sandiford <richard@codesourcery.com>
845 PR middle-end/28402
846 * optabs.c (expand_binop): Pass next_methods rather than methods
847 to expand_doubleword_shift.
849 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
851 PR other/28251
852 * tree.h (dump_addr): Declare.
853 * print-tree.c (dump_addr): New function.
854 (print_node_brief, print_node): Use it.
855 * print-rtl.c (print_rtx): Likewise.
856 * common.opt (-fdump-noaddr): New option.
857 * doc/invoke.texi (-fdump-noaddr): Document.
858 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
859 (ve_info_hash): Likewise.
861 2006-07-13 Andrew Haley <aph@redhat.com>
863 PR tree-optimization/19505
864 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
865 edge leaving this block, make sure that the destination of this
866 block has only one predecessor.
868 2006-07-17 Richard Guenther <rguenther@suse.de>
870 PR tree-optimization/28238
871 * tree-inline.c (copy_bb): Check if we produced valid
872 gimple copying and substituting a stmt. If not, gimplify
873 it.
875 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
877 * optabs.c (maybe_encapsulate_block): New function extracted from...
878 (emit_libcall_block): ...here. Invoke it on the block of insns to
879 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
880 (emit_no_conflict_block): Likewise.
882 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
884 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
886 2006-07-15 Roger Sayle <roger@eyesopen.com>
888 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
889 a new NOP_EXPR case of the switch statement.
891 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
893 PR middle-end/28160
894 * stor-layout.c (place_field): Take the bit field with
895 an excessive size into account in the ms-bitfiled case.
897 PR middle-end/28161
898 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
899 the previous bit field.
901 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
903 PR target/27287
904 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
906 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
908 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
909 signal frames correctly even when the signal was installed with
910 sa_restorer set.
912 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
914 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
915 (dbxout_function_end): Use local label LFBB. Remove hook
916 DBX_OUTPUT_NFUN.
917 (dbxout_source_line): Use local label LFBB.
918 (dbxout_block): Likewise.
919 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
920 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
921 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
922 and DBX_OUTPUT_NFUN.
924 2006-07-13 Janis Johnson <janis187@us.ibm.com>
926 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
928 2006-07-13 Jan Hubicka <jh@suse.cz>
930 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
931 align_variable.
932 * output.h (align_variable): Declare.
933 * varasm.c (align_variable): Export.
934 * value-prof.c (tree_value_profile_transformations): Recompute iterator
935 when basic block changed.
937 2006-07-13 Nick Clifton <nickc@redhat.com>
939 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
940 walking the LOG_LINKS chain.
942 2006-07-12 Geoffrey Keating <geoffk@apple.com>
944 * doc/invoke.texi (C++ Dialect Options): Explain difference
945 between -fvisibility-inlines-hidden and setting hidden
946 visibility explicitly.
948 2006-07-12 Eric Christopher <echristo@apple.com>
950 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
951 (stmp-lipo): Depend on libgcc.a.
953 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
955 * tree.c: Fix a comment typo.
957 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
959 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
960 dest.
961 (umulhisi3_r): Likewise.
963 2006-07-12 Paolo Carlini <pcarlini@suse.de>
965 PR libstdc++/27878
966 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
967 x < 19, vs wchar_t support.
969 2006-07-12 Nick Clifton <nickc@redhat.com>
971 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
972 instead of -isa=sh4.
974 2006-07-12 Mike Stump <mrs@apple.com>
976 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
978 2006-07-10 Eric Christopher <echristo@apple.com>
980 * config/t-slibgcc-darwin: Rewrite.
982 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
984 PR bootstrap/20437
985 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
986 dependencies.
988 2006-07-08 Matthias Klose <doko@debian.org>
990 * doc/sourcebuild.texi: Fix typo.
992 2006-07-07 Mike Stump <mrs@apple.com>
994 * toplev.c (process_options): Don't give -ffunction-sections may
995 affect debugging warning for Mach-O.
997 2006-07-07 James E Wilson <wilson@specifix.com>
999 * config/mips/mips.md (cpu): Add sb1a.
1000 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1001 addition to sb1. Adjust comments to clarify SB-1A differences from
1002 SB-1.
1003 (ir_sb1a_load): New. Modify bypasses to use it.
1004 (ir_sb1a_simple_alu): Likewise.
1005 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1006 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1007 (mips_issue_rate): Add PROCESSOR_SB1A.
1008 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1009 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1010 (TARGET_SB1): Add PROCESSOR_SB1A check.
1011 (TUNE_SB1): Likewise.
1013 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1014 * config/mips/mips.c (mips_store_data_bypass_p): New.
1015 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1016 store_data_bypass_p.
1018 2006-07-08 Paul Brook <paul@codesourcery.com>
1020 PR target/27991
1021 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1023 2006-07-07 Richard Guenther <rguenther@suse.de>
1025 PR middle-end/28268
1026 * tree.h (build_one_cst): Declare.
1027 * tree.c (build_one_cst): New function.
1028 * tree-ssa-math-opts.c (get_constant_one): Remove.
1029 (insert_reciprocals): Use build_one_cst.
1030 * fold-const.c (fold_plusminus_mult): Likewise.
1032 2006-07-07 Roger Sayle <roger@eyesopen.com>
1034 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1035 * cfgloopanal.c (dump_graph): Likewise.
1036 * dojump.c (discard_pending_stack_adjust): Likewise.
1037 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1038 Likewise.
1039 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1040 * function.c (finalize_block_changes): Likewise.
1041 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1042 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1043 * rtl.c (dump_rtx_statistics): Likewise.
1044 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1045 Likewise.
1046 * varray.c (dump_varray_statistics): Likewise.
1047 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1048 decode_decimal64, encode_decimal128, decode_decimal128,
1049 decimal_real_to_decimal): Likewise.
1051 2006-07-07 Richard Guenther <rguenther@suse.de>
1053 PR tree-optimization/28187
1054 * tree-vrp.c (vrp_operand_equal_p): New function.
1055 (vrp_bitmap_equal_p): Likewise.
1056 (update_value_range): Use them to compare old and new
1057 max and min values.
1059 2006-07-06 Roger Sayle <roger@eyesopen.com>
1061 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1062 a default case to switch statement to silence compiler warnings.
1064 2006-07-06 Roger Sayle <roger@eyesopen.com>
1066 PR target/27968
1067 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1068 the configured assembler supports the x87's ffreep mnemonic.
1069 * configure: Regenerate.
1070 * config.in: Regenerate.
1072 * config/i386/i386.c (output_387_ffreep): New function.
1073 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1074 (output_387_reg_move): Likewise.
1076 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1078 Port to hosts whose 'sort' and 'tail' implementations
1079 treat operands with leading '+' as file names, as POSIX
1080 has required since 2001. However, make sure the code still
1081 works on pre-POSIX hosts.
1082 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1083 which says you should use "tail -c +N" rather than "tail +Nc".
1084 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1086 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1088 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1089 argument name.
1091 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1093 PR target/28150
1094 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1095 PRE_{INC,DEC} of TFmode.
1097 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1098 Alan Modra <amodra@bigpond.net.au>
1100 PR target/28170
1101 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1102 bounds. Simplify.
1104 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1106 PR target/28285
1107 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1108 Remove duplicate gtu.
1110 2006-07-05 Jason Merrill <jason@redhat.com>
1112 PR c++/13983
1113 PR c++/17519
1114 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1115 * c-common.c (handle_packed_attribute): So don't copy it here.
1116 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1118 2006-07-05 Mike Stump <mrs@apple.com>
1120 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1122 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1124 PR target/26146
1125 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1127 2006-07-05 Richard Guenther <rguenther@suse.de>
1129 PR target/28158
1130 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1131 TARGET_SSE2 targets if using SSE math.
1132 (*absdf2_1): Likewise.
1134 2006-07-05 Richard Guenther <rguenther@suse.de>
1136 PR tree-optimization/28162
1137 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1138 make sure to convert the operands to the correct type.
1140 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1142 PR tree-optimization/28218
1144 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1145 to calculate and free the dominator information.
1147 2006-07-04 Peter O'Gorman <peter@pogma.com>
1149 * mklibgcc.in: chmod 644 before ranlib during install.
1151 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1152 J"orn Rennecke <joern.rennecke@st.com>
1154 * configure.ac (.eh_frame data check): Use diff -b.
1156 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1158 PR bootstrap/18058
1159 * Makefile.in (BUILD_RTL): Add build/vec.o.
1160 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1161 (build/genextract): Delete.
1162 (build/genautomata): Likewise.
1164 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1166 PR target/28207
1167 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1168 128-bit IBM long doubles for ABI_V4.
1170 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1172 * tree.c (range_in_array_bounds_p): New predicate.
1173 * tree.h (range_in_array_bounds_p): Declare it.
1174 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1175 return a less conservative answer.
1176 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1177 and flag 'is_group'.
1178 (IS_ELEMENT_FOR_GROUP): New macro.
1179 (FOR_EACH_ACTUAL_CHILD): Likewise.
1180 (next_child_for_group): New helper function.
1181 (can_completely_scalarize_p): Take into account groups.
1182 (sra_hash_tree): Handle RANGE_EXPR.
1183 (sra_elt_eq): Likewise.
1184 (lookup_element): Be prepared for handling groups.
1185 (is_valid_const_index): Delete.
1186 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1187 instead of is_valid_const_index.
1188 <ARRAY_RANGE_REF>: New case.
1189 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1190 is_valid_const_index.
1191 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1192 (scan_dump): Dump info for groups too.
1193 (decide_instantiation_1): Likewise.
1194 (decide_block_copy): Assert that the element is not a group.
1195 Propagate decision to groups.
1196 (generate_one_element_ref): Handle RANGE_EXPR.
1197 (mark_no_warning): Iterate over actual childs.
1198 (generate_copy_inout): Likewise.
1199 (generate_element_copy): Likewise.
1200 (generate_element_zero): Likewise.
1201 (generate_element_init_1): Likewise.
1202 (dump_sra_elt_name): Handle RANGE_EXPR.
1204 2006-07-03 Roger Sayle <roger@eyesopen.com>
1206 PR tree-optimization/26251
1207 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1208 (thread_block): When optimizing for size refuse to thread jumps
1209 that would require duplication of blocks other than redirection
1210 blocks.
1212 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1214 * configure.ac: Fix thinko in previous check-in.
1215 * configure: Regenerate.
1217 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1219 PR other/27063
1220 * configure.ac (for lang...): Simplify nesting of conditionals.
1221 Test subdir_requires for non-enabled languages. Move processing
1222 of lang_opt_files and lang_tree_fiels below that test.
1223 * configure: Regenerate.
1224 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1226 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1228 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1230 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1232 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1233 comment typos.
1235 2006-06-29 Jason Merrill <jason@redhat.com>
1237 PR c++/26905
1238 PR c++/26612
1239 PR c++/27000
1240 PR c++/26984
1241 PR c++/19134
1242 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1243 * c-common.c (c_determine_visibility): Handle it here.
1244 * c-decl.c (finish_decl): Call c_determine_visibility for
1245 functions, too.
1246 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1247 * tree.h: Likewise.
1248 * varasm.c (default_assemble_visibility): Likewise.
1249 * c-common.c (handle_visibility_attribute): Complain about trying
1250 to give visibility to an already defined class, or trying to change
1251 declared visibility. Always attach the attribute.
1253 PR c++/26905
1254 PR c++/21675
1255 PR c++/17470
1256 * attribs.c (decl_attributes): Ignore type-in-place attributes
1257 once the type has been defined.
1259 2006-06-29 Roger Sayle <roger@eyesopen.com>
1261 PR middle-end/27428
1262 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1263 to indicate the cpplib has issued an error message for us.
1265 2006-06-29 Asher Langton <langton2@llnl.gov>
1267 PR target/25765
1268 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1269 insert a label at the end of an function under Mach-O.
1271 2006-06-29 Eric Christopher <echristo@apple.com>
1272 Evan Cheng <evan.cheng@apple.com>
1274 * predicates.md (vector_all_ones_operand): New.
1275 (nonimmediate_or_sse_const_operand): Ditto.
1276 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1277 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1278 (standard_sse_mode_p): Ditto.
1279 (standard_sse_constant_p): Add case for -1 vector.
1280 (ix86_expand_vector_move): Try to use.
1281 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1282 Call standard_sse_constant_opcode.
1283 (*movv4sf_internal): Ditto.
1284 (*movv2df_internal): Ditto.
1286 2006-06-29 Roger Sayle <roger@eyesopen.com>
1288 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1289 of XEXP to extract the operands of a MATCH_CODE rtx.
1291 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1293 * tree.c (tree_size): Do not waste tail padding in
1294 struct tree_string and make the size be the same as
1295 build_string will generate.
1297 2006-06-28 Jason Merrill <jason@redhat.com>
1299 PR c++/27768
1300 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1301 may_aliases already in the tag's annotations to the bitmap.
1303 2006-06-28 Roger Sayle <roger@eyesopen.com>
1305 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1307 2006-06-28 Roger Sayle <roger@eyesopen.com>
1309 * genpreds.c (generate_switch_p): New function.
1310 (add_mode_tests): Push the new mode test down inside an AND expr
1311 if this allows the switch-suitable MATCH_CODE to be near the root.
1312 (write_match_code_switch): New function to write a MATCH_CODE as
1313 a switch statement.
1314 (write_predicate_stmts): New function to write a predicate RTX
1315 expression as a sequence of statements.
1316 (write_one_predicate_function): Use write_predicate_stmts.
1317 (write_tm_constrs_h): Likewise.
1319 2006-06-26 Fred Fish <fnf@specifix.com>
1321 * config/mips/t-sb1: New file.
1322 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1323 tmake_file list.
1325 2006-06-26 DJ Delorie <dj@redhat.com>
1327 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1329 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1330 Jayant Sonar <jayants@kpitcummins.com>
1331 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1333 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1334 (subsi3, subsi3_1, subsi3_2): New.
1335 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1336 * config/m32c/mov.md (SI mov peephole): New.
1337 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1338 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1340 2006-06-26 Olivier Hainque <hainque@adacore.com>
1342 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1343 a CALL_EXPR target function declaration.
1345 2006-06-26 Richard Guenther <rguenther@suse.de>
1347 * tree.c (build_string): Do not waste tail padding in
1348 struct tree_string.
1350 2006-06-26 Richard Guenther <rguenther@suse.de>
1352 * ggc-page.c (init_ggc): Add missing element to size_lookup
1353 table.
1355 Revert
1356 2006-06-23 Richard Guenther <rguenther@suse.de>
1358 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1359 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1360 alignment requests instead. Add verification code.
1361 Add struct tree_function_decl and struct tree_binfo size to
1362 extra_order_size_table. Add missing element to size_lookup
1363 table.
1365 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1367 PR middle-end/28151
1368 * fold-const.c (const_binop): Be prepared for self returning zero.
1369 Simplify code handling complex values.
1371 2006-06-24 Olivier Hainque <hainque@adacore.com>
1373 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1374 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1375 aggregate types.
1377 2006-06-24 Olivier Hainque <hainque@adacore.com>
1379 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1380 ARRAY_REF, so have the callback called for the low bound expression.
1382 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1384 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1385 * c-typeck.c (c_common_type): Disallow operations on decimal float
1386 types and other float types.
1387 * convert.c (convert_to_real): Don't ignore conversions involving
1388 decimal float types.
1390 2006-06-23 Olivier Hainque <hainque@adacore.com>
1392 * tree.c (max_int_size_in_bytes): New function, inspired from
1393 code in function.c:assign_temp.
1394 * tree.h (max_int_size_in_bytes): Declare.
1395 * function.c (assign_temp): Use it.
1396 * gimplify.c (create_tmp_var): Relax the assertions on the type
1397 properties, not mandating constant size any more.
1398 (force_constant_size): New static function.
1399 (gimple_add_tmp_var): Use it, forcing variable size to a
1400 constant upper bound if it is not constant on entry.
1402 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1404 PR target/27789
1405 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1406 for initialization and setting of one_only flag to ...
1407 (i386_pe_encode_section_info): ...here.
1408 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1409 Recheck that the symbol has not been defined.
1411 2006-06-23 Richard Guenther <rguenther@suse.de>
1413 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1414 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1415 alignment requests instead. Add verification code.
1416 Add struct tree_function_decl and struct tree_binfo size to
1417 extra_order_size_table. Add missing element to size_lookup
1418 table.
1420 2006-06-22 Roger Sayle <roger@eyesopen.com>
1421 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1423 PR middle-end/28131
1424 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1425 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1427 2006-06-23 Ben Elliston <bje@au.ibm.com>
1429 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1430 negate dn -- manipulate it directly.
1432 2006-06-22 Roger Sayle <roger@eyesopen.com>
1433 Steven Bosscher <stevenb.gcc@gmail.com>
1435 PR target/27531
1436 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1437 generated by gen_move_insn to add REG_LABEL notes if necessary.
1439 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1441 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1442 (leaf_entry): Remove use of MIN_ESA.
1444 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1446 PR rtl-optimization/28121
1447 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1448 the entry edge.
1450 2006-06-21 DJ Delorie <dj@redhat.com>
1452 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1453 (TN-16C-A156A/E).
1454 (mulhisi3_r): Likewise.
1456 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1458 PR middle-end/28034
1459 * coverage.c (coverage_counter_alloc): Leave the index type
1460 unspecified.
1461 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1462 of the ARRAY_REF.
1464 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1466 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1467 section from the "Options for Code Generation Conventions".
1469 2006-06-21 Richard Henderson <rth@redhat.com>
1471 PR target/26347
1472 PR target/27082
1473 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1474 symbols.
1475 (global_symbolic_operand): Allow weak symbols, even if local_p.
1477 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1479 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1480 (find_interesting_uses_address): Punt if above function returns true.
1482 2006-06-21 Richard Guenther <rguenther@suse.de>
1484 * configure: Regenerated.
1486 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1488 * config/mips/mips.c (function_arg): Where one part of a
1489 complex argument is in registers and the other part in the stack,
1490 return a REG not a PARALLEL.
1492 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1494 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1495 when cross-compiling. Do not substitute libstdcxx_incdir.
1496 * configure: Regenerated.
1498 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1500 * varasm.c (mergeable_string_section): Check for embedded NULs and
1501 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1502 rather than TREE_STRING_LENGTH bytes.
1504 2006-06-21 Richard Guenther <rguenther@suse.de>
1506 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1507 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1508 sizes.
1510 2006-06-21 Richrad Guenther <rguenther@suse.de>
1512 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1513 Limit iteration over the dominators.
1515 2006-06-20 Roger Sayle <roger@eyesopen.com>
1517 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1518 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1520 2006-06-20 Richard Guenther <rguenther@suse.de>
1521 Michael Matz <matz@suse.de>
1523 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1524 function.
1525 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1526 * et-forest.h (et_free_pools): Prototype new function.
1527 * et-forest.c (et_free_tree_force): Free parent occurrence.
1528 (et_free_pools): New function.
1529 * dominance.c (free_dominance_info): Free et-forest alloc
1530 pools.
1532 2006-06-20 Roger Sayle <roger@eyesopen.com>
1534 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1535 integer modes, attempt to directly construct an integer constant.
1537 * fold-const.c (native_encode_vector): Determine the size of each
1538 element from the vector type instead of the first vector element.
1540 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1541 if all of its elements/components are constant.
1542 (build_constructor_from_list): Likewise.
1544 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1546 PR tree-optimization/27331
1547 * tree-data-ref.c (free_data_ref): New function.
1548 (create_data_ref): Fail if the data reference has unknown access
1549 function.
1550 (free_data_refs): Use free_data_ref.
1552 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1554 PR middle-end/28075
1555 * tree-inline.c (setup_one_parameter): Strip useless
1556 type conversion before adding it to the IR.
1557 (declare_return_variable): Likewise.
1559 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1561 PR c/27149
1562 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1564 2006-06-19 Mike Stump <mrs@apple.com>
1566 * tree.c (variably_modified_type_p): VM arguments don't make the
1567 type a VM type.
1569 2006-06-19 Richard Guenther <rguenther@suse.de>
1571 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1572 type conversions after folding.
1574 2006-06-19 Richard Guenther <rguenther@suse.de>
1576 * ggc-page.c (extra_order_size_tab): Add entries with
1577 size of struct function and basic_block.
1578 (size_lookup): Extend to cover sizes up to 511.
1579 (ggc_alloc_stat): Adjust user.
1580 (ggc_pch_count_object): Likewise.
1581 (ggc_pch_alloc_object): Likewise.
1582 (ggc_pch_write_object): Likewise.
1584 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1586 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1587 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1588 correctly.
1590 2006-06-19 Denis Chertykov <denisc@overta.ru>
1592 * config/avr/libgcc.S : Correct my wrong previous commit.
1594 2006-06-19 Roger Sayle <roger@eyesopen.com>
1596 PR target/27861
1597 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1598 have stripped a SUBREG from the shift count, so we may need to
1599 convert_to_mode back to the type's mode before calling make_tree.
1600 Use new_amount instead of amount to avoid expanding a tree twice.
1602 2006-06-19 Richard Guenther <rguenther@suse.de>
1604 PR middle-end/28045
1605 * fold-const.c (operand_equal_p): Check if the argument types
1606 have the same precision before stripping NOPs.
1608 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1610 Fix PR tree-optimization/27341
1611 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1612 statement we get.
1613 * tree-complex.c (pass_lower_complex): Update SMT usage.
1615 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1617 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1618 Add a new alternative to the constraint strings. Add move of
1619 operand 1 to 3 to the splitter definition.
1620 ("doloop_si_long"): Second contraint alternative removed.
1622 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1624 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1625 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1626 __AVR_HAVE_LPMX__.
1627 (AVR_HAVE_MOVW) Define.
1628 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1629 (ASM_SPEC): Add avr25.
1630 (LINK_SPEC): Add avr25.
1631 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1632 (base_arch_s): Add new member 'have_movw_lpmx'.
1633 (avr_arch_types): Init 'have_movw_lpmx'.
1634 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1635 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1636 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1637 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1638 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1639 AVR_HAVE_MOVW.
1640 (avr_file_start): Do not output '.arh' derective.
1641 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1642 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1643 * config/avr/avr.md (mcu_enhanced): Delete.
1644 (mcu_have_movw): Define.
1645 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1646 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1647 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1648 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1649 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1650 attiny861 and at86rf401 devices.
1652 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1654 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1655 of 4096.
1657 2006-06-17 Karl Berry <karl@gnu.org>
1659 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1660 doc/gccint.texi, doc/install.texi (@dircategory): Use
1661 "Software development" instead of "Programming", following
1662 the Free Software Directory.
1664 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1666 * config/i386/i386.c (legitimate_tls_address)
1667 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1668 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1669 (*tls_dynamic_gnu2_combine_64): Likewise.
1671 2006-06-16 Richard Guenther <rguenther@suse.de>
1673 PR middle-end/27116
1674 * fold-const.c (negate_expr_p): Do not introduce undefined
1675 overflow in negating INTEGER_CSTs.
1676 (fold_negate_expr): Rename from negate_expr. Revert last
1677 change for folding BIT_NOT_EXPR. Change semantics to
1678 return NULL_TREE for non-simplified negations. Do not
1679 strip type conversions and unify type handling.
1680 (negate_expr): New function, wrap around fold_negate_expr
1681 but ensure building a tree always. Strip type conversions
1682 here, fold to result type.
1683 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1685 2006-06-16 Roger Sayle <roger@eyesopen.com>
1687 PR middle-end/27802
1688 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1689 that (would) return their results in stack registers.
1691 2006-06-16 Michael Matz <matz@suse.de>
1692 Richard Guenther <rguenther@suse.de>
1694 * fold-const.c (fold_truthop): Only return new tree node if
1695 we canonicalized something.
1697 2006-06-16 Richard Guenther <rguenther@suse.de>
1699 * function.h (enum function_frequency): Move declaration
1700 out of struct function.
1701 (struct function): Move bool fields and the enum to the bitfield
1702 section. Reorder elements to avoid padding. Remove unused
1703 fields left over from the RTL inliner removal.
1704 * function.c (free_after_compilation): Do not zero removed fields.
1705 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1706 (ipa-type-escape.o): Likewise.
1708 2006-06-16 Richard Guenther <rguenther@suse.de>
1710 * cgraph.h (struct cgraph_local_info): Turn bool elements
1711 into a bitfield.
1712 (struct cgraph_node): Likewise.
1713 (struct cgraph_varpool_node): Likewise.
1715 2006-06-15 Richard Guenther <rguenther@suse.de>
1717 * fold-const.c (fold_truth_not_expr): Rename from
1718 invert_truthvalue. Give it fold_* semantics to avoid
1719 generating garbage.
1720 (invert_truthvalue): New function. Wrapper around
1721 fold_truth_not_expr.
1722 (optimize_minmax_comparison): Avoid creating garbage.
1723 (fold_unary): Use fold_truth_not_expr for folding
1724 TRUTH_NOT_EXPR.
1725 (fold_ternary): Replace uses of invert_truthvalue with
1726 fold_truth_not_expr where applicable.
1727 * tree.h (fold_truth_not_expr): Prototype.
1729 2006-06-16 Richard Guenther <rguenther@suse.de>
1731 PR tree-optimization/27781
1732 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1733 * ipa-pure-const.c (target.h): Include.
1734 (analyze_function): Do not analyze functions that do not
1735 bind locally.
1737 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1739 PR middle-end/27793
1740 * tree-dfa.c (referenced_vars_dup_list): Remove.
1741 (find_referenced_vars): Remove assert.
1742 (referenced_var_check_and_insert): Replace dup list with assert.
1743 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1744 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1746 2006-06-15 Richard Guenther <rguenther@suse.de>
1748 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1749 extra unused identifiers if not dumping.
1750 (create_variable_info_for): Likewise.
1752 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1754 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1755 (derive_constant_upper_bound): Derive more precise upper bound in
1756 common cases. Return type changed to double_int.
1757 (record_estimate): Reflect the changed return type of
1758 derive_constant_upper_bound.
1759 * double-int.c (double_int_zext, double_int_sext): Fix.
1761 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1763 * configure.ac (CFLAGS): Get them from the toplevel or from the
1764 configure invocation.
1765 * configure: Regenerate.
1766 * Makefile.in (CFLAGS): Substitute value provided by configure.
1768 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1770 PR c++/26559
1771 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1772 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1773 rather than calling add_stmt on it.
1774 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1776 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1778 PR middle-end/27959
1779 * reload1.c (reload): Remove registers returned by update_eliminables
1780 from used_spill_regs.
1782 2006-06-13 DJ Delorie <dj@redhat.com>
1784 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1786 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1788 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1789 html__strip_dir, html__mkdir_p. Enhance install-html target.
1790 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1791 * configure: Regenerate.
1793 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1795 * fold-const.c (fold_cond_expr_with_comparison): Check for
1796 Objective-C++ as language in deciding COND_EXPR transformation.
1798 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1800 PR target/28014:
1801 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1802 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1803 * config/sh/lib1funcs.h (SL, SL1): Define.
1804 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1805 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1806 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1807 (OBJS_Os_4_200): New variable.
1808 ($(T)libgcc-Os-4-200.a): Use it.
1809 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1810 when dividing 1 and/or by 0.
1812 2006-06-13 Roger Sayle <roger@eyesopen.com>
1814 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1815 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1816 * configure: Regenerate.
1818 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1820 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1821 for real instruction.
1823 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1825 PR middle-end/26807
1826 * haifa-sched.c (check_cfg): Handle special case.
1828 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1830 PR debug/26754
1831 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1832 Add debug_info parameter. Chain the vars to the BLOCK instead
1833 of the BIND_EXPR if debug info are requested for them.
1834 (pop_gimplify_context): Adjust for above change.
1835 (gimple_add_tmp_var): Likewise.
1836 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1837 Add bool parameter.
1838 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1839 (convert_local_reference): Likewise.
1840 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1841 (finalize_nesting_tree_1): Request that debug info be emitted
1842 for debug_var_chain.
1844 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1846 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1847 for PR target/27863.
1849 2006-06-13 Richard Guenther <rguenther@suse.de>
1851 PR middle-end/27536
1852 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1854 2006-06-13 Richard Guenther <rguenther@suse.de>
1856 PR tree-optimization/27830
1857 * tree-inline.c (copy_body_r): For copying the operand
1858 of an ADDR_EXPR make sure to fold &* afterwards.
1860 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1862 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1863 lvalues in the fb_none case with side-effects.
1865 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1867 * tree-flow.h: Remove the prototype for
1868 compute_phi_arg_on_exit.
1869 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1870 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1871 Remove.
1873 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1875 * builtins.c (expand_builtin_return_addr): Only use
1876 frame_pointer_rtx when count == 0 and we are expanding
1877 __builtin_return_address.
1879 2006-06-12 Fred Fish <fnf@specifix.com>
1881 * config/mips/mips.c (mips_file_start): Create special section
1882 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
1884 2006-06-11 Eric Christopher <echristo@apple.com>
1886 PR middle-end/27948
1887 * stor-layout.c (place_field): Remove check for
1888 remaining_in_alignment when aligning at the end of a run.
1890 2006-06-11 Eric Christopher <echristo@apple.com>
1892 PR 27542
1893 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1894 pragma.
1896 2006-06-11 Roger Sayle <roger@eyesopen.com>
1898 PR target/27858
1899 Revert incorrect fix for PR target/27158
1900 2006-05-08 Roger Sayle <roger@eyesopen.com>
1901 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1902 of a reg_equiv_constant if the result is a legitimate constant.
1904 2006-06-11 Roger Sayle <roger@eyesopen.com>
1906 PR target/27158
1907 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1908 extract a CONST_VECTOR element and interpret it as an integer.
1909 (vspltis_constant): Use const_vector_elt_as_int instead of the
1910 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1911 * config/rs6000/predicates.md (easy_vector_const): Consider
1912 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1914 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1916 PR middle-end/27942
1917 * stor-layout.c (update_alignment_for_field): Don't add extra
1918 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1919 code.
1921 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1923 * config/mips/t-rtems: Add EL/EB multilib variants.
1925 2006-06-09 Mike Stump <mrs@apple.com>
1927 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1929 2006-06-09 David Daney <ddaney@avtrex.com>
1931 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1933 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1935 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1937 2006-06-09 Richard Guenther <rguenther@suse.de>
1939 PR tree-optimization/26998
1940 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1941 of signed types, only TYPE_MIN_VALUE is special, but for both,
1942 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1943 in this case, as is -fwrapv.
1945 2006-06-08 Mike Stump <mrs@apple.com>
1947 PR target/26427
1948 * config/darwin.c (darwin_asm_output_anchor): Disable
1949 -fsection-anchors on darwin for now.
1950 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1951 * rs6000/rs6000.c (optimization_options): Likewise.
1953 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1955 PR target/27421
1956 * config/i386/i386.c (classify_argument): Skip fields with invalid
1957 types in unions.
1959 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1961 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1962 (cse_insn): Likewise for the stack_pointer_rtx.
1964 2006-06-08 Roger Sayle <roger@eyesopen.com>
1966 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1967 conditions from floating point comparisons.
1969 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1971 PR middle-end/27733
1972 * expmed.c (struct alg_hash_entry): Fix type of field T
1973 to match synth_mult argument.
1974 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1976 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1978 PR target/27863
1979 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1980 block boundaries.
1982 2006-06-08 Richard Guenther <rguenther@suse.de>
1984 PR middle-end/27116
1985 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1986 only, if overflow is defined and not trapping.
1987 (negate_expr): Likewise.
1989 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1991 PR tree-optimization/27872
1992 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1993 flag on the new exit edge of the unrolled loop.
1995 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1997 PR rtl-optimization/26449
1998 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2000 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2002 PR middle-end/27793
2003 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2004 referenced_variables with matching DECL_UID's.
2005 (find_referenced_vars): Make sure duplicate list is empty to start.
2006 (referenced_var_p): Remove.
2007 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2008 Check if var is in the list, and add if needed. Update the duplicate
2009 list if a different var is in the list with the same DECL_UID.
2010 (add_referenced_var): Call routine to check and insert.
2011 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2012 * tree-flow.h (referenced_vars_dup_list): External declaration.
2014 2006-06-07 Fred Fish <fnf@specifix.com>
2016 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2017 into single entry.
2019 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2021 PR target/27390
2022 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2023 the imaginary and real parts of a clobbered register.
2024 Emit insn to set the imaginary part.
2026 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2028 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2029 in lieu of unwind-dw2-fde.c.
2031 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2033 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2035 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2037 PR target/27842
2038 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2039 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2040 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2041 V4SImode temporaries and operations instead.
2043 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2045 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2046 dp-bit.c.
2048 2006-06-06 Mike Stump <mrs@apple.com>
2050 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2051 installing during build.
2053 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2055 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2056 value to 0.
2057 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2058 * config/ia64/ia64.c (params.h): New header.
2059 (ia64_optimization_options): New function to adjust parameters.
2060 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2061 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2062 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2064 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2066 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2068 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2070 PR target/27051
2071 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2073 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2074 Victor Kaplansky <victork@il.ibm.com>
2076 PR tree-optimization/26360
2077 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2078 stmts.
2080 2006-06-04 Roger Sayle <roger@eyesopen.com>
2081 Andrew Pinski <pinskia@physics.uc.edu>
2083 PR middle-end/27382
2084 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2085 for LABEL_DECL before calling DECL_WEAK.
2087 PR c/27150
2088 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2089 LABEL_DECL and PARM_DECL.
2091 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2093 PR c/25161
2094 PR c/27020
2095 * c-decl.c (grokdeclarator): Disallow variably modified types at
2096 file scope. Avoid marking shared array type of constant size as
2097 VLA.
2099 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2101 PR c++/27601
2102 * c-common.c (fold_offsetof_1): Handle static members.
2104 2006-06-04 Eric Christopher <echristo@apple.com>
2106 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2107 (debug_rli): Output value for remaining_in_alignment.
2108 (update_alignment_for_field): Unconditionalize
2109 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2110 extra alignment code.
2111 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2112 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2113 * tree.h (record_layout_info_s): Remove prev_packed.
2114 * doc/extend.texi (ms_struct): Add documentation of format.
2116 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2118 * tree.h: Declare folding_initializer.
2119 * builtins.c (fold_builtin_constant_p): Give definite answer
2120 if folding inside an initializer.
2121 * fold-const.c: Define folding_initializer.
2122 (START_FOLD_INIT): Save and then set folding_initializer.
2123 (END_FOLD_INIT): Restore folding_initializer.
2125 2006-06-04 Richard Guenther <rguenther@suse.de>
2127 PR tree-optimization/27039
2128 * fold-const.c (fold_comparison): Handle pointer comparison
2129 again for all comparison codes. Compare offsets in signed
2130 size type.
2131 (fold_binary): Move code from here.
2133 2006-06-03 Roger Sayle <roger@eyesopen.com>
2135 PR target/26223
2136 * config/i386/i386.c (construct_container): Split static issued_error
2137 flag into issued_sse_arg_error, issued_sse_ret_error and
2138 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2139 requires the use of x87 registers and the user explicitly
2140 specified the -mno-80387 command line option.
2142 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2144 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2145 HAVE_DECL_SIGALTSTACK.
2146 (MC_FLD): New.
2147 (segv_handler): Use MC_FLD.
2148 * configure.ac: Check for a sigaltstack declaration.
2149 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2150 * configure: Regenerate.
2151 * config.in: Regenerate.
2153 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2155 PR other/27850
2156 * Makefile.in (stmp-fixinc): Fix typo.
2158 2006-06-02 Roger Sayle <roger@eyesopen.com>
2160 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2161 are type correct. Clean-up.
2162 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2163 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2165 2006-06-01 DJ Delorie <dj@redhat.com>
2167 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2168 shift, as we've disabled the "switch" insn that needs it.
2170 2006-06-01 Per Bothner <bothner@bothner.com>
2172 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2173 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2174 * c-ppoutput.c (cb_define): Don't increment line 0.
2176 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2178 * doc/invoke.texi: Add cpu_type power6.
2179 * config.gcc: Add cpu_type power6.
2180 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2181 to power5+ with Altivec.
2182 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2183 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2185 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2187 * config/avr/avr.h (SET_ASM_OP): Define.
2189 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2191 * config/bfin/bfin.c: Fix comment typos.
2193 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2195 PR 25453
2196 * doc/install.texi: Document --enable-bootstrap and
2197 --disable-bootstrap.
2199 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2201 * doc/install.texi: Document that InfoZIP can replace jar.
2203 2006-05-31 Roger Sayle <roger@eyesopen.com>
2205 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2206 isn't available, directly generate the simpler x87 patterns without
2207 the (use (const_int 0)).
2208 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2209 implementation isn't available.
2210 (*negdf2_1): Likewise.
2211 (*negxf2_1): XF mode negation is always done using the x87.
2212 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2214 2006-05-31 Roger Sayle <roger@eyesopen.com>
2216 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2217 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2218 cabs(z).
2219 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2221 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2223 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2224 * config/bfin/bfin.c (basic-block.h): Include.
2225 (struct machine_function): New.
2226 (bfin_init_machine_status): New.
2227 (override_options): Initialize init_machine_status.
2228 (bfin_hardware_loop): New.
2229 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2230 (DEF_VEC_P (loop_info)): New.
2231 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2232 (struct loop_info): New.
2233 (loop_info): New typedef.
2234 (struct loop_work): New.
2235 (loop_work): New typedef.
2236 (DEF_VEC_O (loop_work)): New.
2237 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2238 (bfin_dump_loops): New.
2239 (bfin_bb_in_loop): New.
2240 (bfin_scan_loop): New.
2241 (bfin_optimize_loop): New.
2242 (bfin_reorg_loops): New.
2243 (bfin_reorg): Use bfin_reorg_loops.
2244 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2245 loop registers.
2246 (I_REGNO_P): Simplify.
2247 (DP_REGNO_P, DPREG_P): New macros.
2248 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2249 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2250 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2251 Add LT_REGS, LC_REGS, LB_REGS.
2252 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2253 'l' for LB_REGS.
2254 (REGNO_REG_CLASS): Deal with loop registers.
2255 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2256 letters.
2257 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2258 New constants for loop registers.
2259 (UNSPEC_LSETUP_END): New.
2260 (seq_insns): New define_attr. Set it for appropriate insns.
2261 (movsi_insn): Add alternatives for move from/to
2262 loop count registers.
2263 (doloop_end): New define_expand.
2264 (loop_end): New define_insn.
2265 (define_split for bad doloop_end): New.
2266 (lsetup_with_autoinit): New define_insn.
2267 (lsetup_without_autoinit): New define_insn.
2268 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2269 * config/bfin/predicates.md (lc_register_operand): New.
2270 (lt_register_operand): New.
2271 (lb_register_operand): New.
2272 (nondp_register_operand): New.
2273 (nondp_reg_or_memory_operand): New.
2274 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2276 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2278 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2279 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2281 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2283 * Makefile.in (CATALOGS): Add po/ prefix.
2284 * configure: Regenerated.
2286 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2288 PR target/27829
2289 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2290 a shift operand before calling shift_op. Avoid redundant call of
2291 shift_op.
2293 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2294 DJ Delorie <dj@redhat.com>
2296 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2297 we're inserting is a singlt-bit constant.
2299 2006-05-30 Roger Sayle <roger@eyesopen.com>
2301 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2302 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2304 2006-05-30 Roger Sayle <roger@eyesopen.com>
2306 PR tree-optimization/23452
2307 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2308 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2309 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2310 complex values and with -ffast-math for FP complex values.
2312 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2314 * c-common.h: Remove the prototype for yyparse.
2315 * rtl.h: Remove the prototype for init_loop.
2317 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2319 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2320 calling recog.
2322 2006-05-30 Roger Sayle <roger@eyesopen.com>
2324 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2325 and rotate cases.
2326 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2327 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2329 2006-05-30 Dirk Mueller <dmueller@suse.de>
2331 PR c/27273
2332 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2333 for CONSTANT_CLASS_P expresisons.
2335 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2337 PR c/27718
2338 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2340 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2342 PR tree-optimization/27779
2343 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2344 initial_condition instead of CHREC_LEFT.
2346 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2348 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2349 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2350 Make prototypes ISO C90.
2352 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2353 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2355 * see.c (see_analyze_one_def): Correct check.
2356 (see_get_extension_data): Check if extension is parallel.
2357 (see_get_extension_reg): Likewise.
2359 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2361 PR target/27790
2362 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2363 into register for (code == GTU).
2365 2006-05-29 Roger Sayle <roger@eyesopen.com>
2367 PR tree-optimization/24964
2368 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2369 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2370 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2371 abs(x)*abs(x) as x*x for scalar floating point modes.
2373 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2375 PR middle-end/27745
2376 * lambda-code.c (perfect_nestify): Don't copy statements
2377 in the inner loop: move them to the inner loop header.
2379 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2381 PR 26237
2382 * c-tree.texi: Document OpenMP directives and clauses.
2384 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2386 * varasm.c (globalize_decl): Fix indentation.
2388 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2390 PR 26242
2391 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2392 pass_fre, pass_store_ccp, pass_copy_prop,
2393 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2394 pass_return_slot, pass_object_size, pass_lim,
2395 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2396 pass_loop_prefetch and pass_stdarg.
2398 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2400 * config/bfin/bfin.opt (mfdpic): New option.
2401 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2402 (EXTRA_MULTILIB_PARTS): Likewise.
2403 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2404 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2405 multilib.
2406 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2407 (CRT_CALL_STATIC_FUNCTION): New.
2408 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2409 -shared.
2410 (CRT_CALL_STATIC_FUNCTION): New.
2411 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2412 FD-PIC moves.
2413 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2414 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2415 (initialize_trampoline): Changed to handle FD-PIC code generation.
2416 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2417 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2418 (override_options): Disallow -mid-shared-library -mfdpic combination.
2419 Can't do unaligned ops if FD-PIC.
2420 Turn off flag_pic if trying to generate non-id-shared-library
2421 non-fdpic code, since it's not supported.
2422 (bfin_assemble_integer): New function.
2423 (TARGET_ASM_INTEGER): Define.
2424 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2425 __BFIN_FDPIC__.
2426 * config/bfin/crtn.s: Restore them.
2427 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2428 if TARGET_FDPIC.
2429 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2430 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2431 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2432 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2433 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2434 call-used.
2435 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2436 FDPIC_REGS and FDPIC_FPTR_REGS.
2437 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2438 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2439 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2440 (load_funcdescsi): New pattern.
2441 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2442 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2443 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2445 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2447 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2448 loop.c.
2450 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2452 * tree-flow.h: Remove the prototype for add_type_alias.
2453 * tree-ssa-alias.c (add_type_alias): Remove.
2455 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2457 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2458 config/fr30/fr30.md, config/i386/i386-interix.h,
2459 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2460 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2461 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2462 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2463 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2464 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2465 Follow spelling conventions.
2466 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2467 Follow spelling conventions.
2469 2006-05-27 Richard Guenther <rguenther@suse.de>
2471 PR middle-end/27773
2472 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2473 to produce a constant of value 1 of generic type.
2475 2006-05-27 Dirk Mueller <dmueller@suse.de>
2477 * cgraphunit.c (decide_is_function_needed): Fix wrong
2478 PR reference.
2480 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2482 PR rtl-optimization/27661
2483 * reload.c (find_reloads): When reloading a VOIDmode constant
2484 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2485 use Pmode as mode of the reload register.
2487 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2489 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2490 is enabled at -O and above.
2492 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2494 PR target/27571
2495 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2496 table data.
2498 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2500 PR c++/20103
2501 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2502 for anonymous variables explicitly declared by front ends.
2504 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2506 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2507 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2508 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2509 ref-all pointers, run a finalization pass for them.
2510 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2511 (finalize_ref_all_pointers): New function.
2512 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2513 regular pointer type to a ref-all pointer type.
2514 (get_tmt_for): Return the special memory tag for ref-all pointers.
2516 2006-05-25 Richard Guenther <rguenther@suse.de>
2518 PR middle-end/27743
2519 * fold-const.c (fold_binary): Do not look at the stripped
2520 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2522 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2524 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2525 for LT and GT if the computed range is effectively empty.
2527 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2529 PR target/27627
2530 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2531 mips_quad_format formats instead of ieee_single_format,
2532 ieee_double_format and ieee_quad_format formats, respectively.
2534 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2536 PR tree-optimization/27639
2537 PR tree-optimization/26719
2538 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2539 call to scev_probably_wraps_p.
2540 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2541 used_in_pointer_arithmetic_p, convert_step): Removed.
2542 (nowrap_type_p): New function.
2543 (scev_probably_wraps_p): Rewritten.
2544 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2545 chrec_convert if chrec_convert_aggressive might have been used.
2546 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2547 scev_direction): New functions.
2548 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2549 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2550 instead of convert_step.
2551 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2552 (convert_step): Declaration removed.
2553 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2555 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2557 * df-core.c: Added to header comments.
2558 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2559 df_ur_bb_info, df_urec_bb_info): Added comments.
2560 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2561 urec, ri problems): Fixed header comments.
2562 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2563 code from df_rd_transfer_function.
2565 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2567 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2568 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2569 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2571 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2573 * expr.c (undefined_operand_subword_p): New.
2574 (emit_move_multi_word): Do not generate move from undefined bits
2575 of a paradoxical subreg.
2577 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2579 PR rtl-optimization/27736
2580 * combine.c (replaced_rhs_value): New variable.
2581 (combine_instructions): Set it.
2582 (distribute_notes): When distributing a note in replaced_rhs_insn,
2583 check whether the value was used in replaced_rhs_value.
2585 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2587 PR c++/26757
2588 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2589 add_referenced_var instead of add_referenced_tmp_var.
2590 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2591 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2592 add_referenced_var.
2593 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2594 tree_optimize_tail_calls_1): Use add_referenced_var.
2595 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2596 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2597 Use add_referenced_var.
2598 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2599 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2600 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2601 Use add_referenced_var.
2602 * tree-dfa.c (struct walk_state): Remove.
2603 (find_referenced_vars): Remove walk state and vars_found hash table.
2604 (make_rename_temp): Use add_referenced_var.
2605 (find_vars_r): Pass less parameters to add_referenced_var.
2606 (referenced_var_p): New. Is var in referenced_var hash table.
2607 (referenced_var_insert): Assert var isn't already in hash table.
2608 (add_referenced_var): Don't need walk_state parameter. Add var if it
2609 isn't already in the hash table.
2610 (add_referenced_tmp_var): Remove.
2611 (find_new_referenced_vars_1): Use add_referenced_var.
2612 * tree-ssa-pre.c (create_expression_by_pieces,
2613 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2614 Use add_referenced_var.
2615 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2616 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2617 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2618 add_referenced_var.
2619 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2620 vect_create_data_ref_ptr, vect_create_destination_var,
2621 vect_init_vector, vect_build_loop_niters,
2622 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2623 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2624 Use add_referenced_var.
2625 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2626 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2627 (add_referenced_var): Add prototype.
2628 * tree-ssa-structalias.c (get_constraint_for,
2629 intra_create_variable_infos): Use add_referenced_var.
2631 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2633 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2634 big-endian paradoxical subregs.
2635 * var-tracking.c (struct micro_operation_def): Document that,
2636 for modify micro operations, insn is the subsequent instruction.
2637 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2638 (var_reg_set, var_mem_set): ... new functions.
2639 (add_stores): Record subsequent insn.
2640 (compute_bb_dataflow): Use new functions for MO_USE.
2641 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2642 notes after the insn, and modify notes before the insn known
2643 to be the subsequent one.
2644 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2646 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2648 PR target/27696
2649 * config/i386/i386.c (ix86_expand_builtin): Use
2650 gen_sse3_monitor64 for TARGET_64BIT.
2652 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2654 PR rtl-optimization/26375
2655 PR rtl-optimization/26855
2656 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2657 to gen set.
2658 (df_ru_bb_local_compute): Reversed statements and removed bogus
2659 comment explaining why they should be in wrong order.
2660 (df_ru_dump, df_rd_dump): Enhanced debug info.
2661 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2662 debug info.
2663 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2664 reaching uses and fixed space problem.
2666 2006-05-23 Jan Hubicka <jh@suse.cz>
2668 * cgraphunit.c (decide_is_function_needed): Also nested functions
2669 and functions declared inline can be optimized out at -O0.
2671 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2673 * doc/install.texi (Configuration): Remove reference to CrossGCC
2674 FAQ which was gone.
2675 (Building): Ditto.
2677 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2679 PR target/27266
2680 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2681 ix86_compare_emitted is non-NULL.
2683 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2685 PR c++/27451
2686 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2687 clobbers.
2689 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2691 PR rtl-optimization/25514
2692 * combine.c (replaced_rhs_insn): New variable.
2693 (combine_instructions): Set replaced_rhs_insn when trying to replace
2694 a SET_SRC with a REG_EQUAL note.
2695 (distribute_notes): Use replaced_rhs_insn when determining the live
2696 range of a REG_DEAD register.
2698 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2699 Anatoly Sokolov <aesok@post.ru>
2701 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2702 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2703 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2704 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2705 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2706 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2707 at90usb647, at90usb1286 and at90usb1287 devices.
2708 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2709 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2711 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2713 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2715 2006-05-22 Richard Guenther <rguenther@suse.de>
2717 Revert
2718 2006-01-31 Richard Guenther <rguenther@suse.de>
2719 Paolo Bonzini <bonzini@gnu.org>
2721 * doc/install.texi (--disable-libgcc-math): Document.
2723 2006-05-22 Richard Guenther <rguenther@suse.de>
2725 Revert
2726 2006-01-31 Richard Guenther <rguenther@suse.de>
2728 * doc/invoke.texi (-msselibm): Document.
2729 * target.h (expand_library_builtin): New target hook.
2730 * builtins.c (expand_builtin): Use expand_library_builtin.
2731 (default_expand_library_builtin): New function.
2732 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2733 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2734 (link_gcc_math_spec): Declare.
2735 (static_specs): Add link_gcc_math_spec.
2736 * expr.h (default_expand_library_builtin): Declare.
2737 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2738 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2739 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2740 * config/i386/i386.opt (msselibm): New target option.
2741 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2742 (ix86_init_sse_abi_builtins): New function.
2743 (ix86_expand_library_builtin): Likewise.
2744 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2745 (override_options): Handle error conditions wrt -msselibm.
2746 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2747 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2748 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2749 builtins.
2751 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2753 PR c/27420
2754 * c-common.c (self_promoting_args_p): Skip erroneous args.
2756 PR c/26818
2757 * c-decl.c (finish_struct): Skip erroneous fields.
2759 2006-05-22 Nick Clifton <nickc@redhat.com>
2761 * config/cris/cris.opt (march): Remove VarExists attribute.
2762 (max-stackframe=): Likewise.
2764 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2766 * doc/rtl.texi: Fix a typo.
2767 * see.c: Fix comment typos.
2769 * tree-ssa-structalias.h (alias_info): Remove num_references.
2771 2006-05-21 Mike Stump <mrs@apple.com>
2773 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2774 (BAD2): Add.
2775 (darwin_pragma_options): Use BAD instead.
2776 (darwin_pragma_unused): Likewise.
2777 (darwin_pragma_ms_struct): Likewise.
2779 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2781 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2783 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2785 PR rtl-optimization/27671
2786 * simplify-rtx.c (simplify_relational_operation_1): Fix
2787 simplifications of (eq/ne (xor x y) y) and
2788 (eq/ne (xor x y) x).
2790 PR tree-optimization/26622.
2791 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2792 on arg1.
2794 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2796 * tree-cfg.c: Prune whitespace.
2797 (debug_tree_cfg): Point to correct header containing the
2798 TDF_* defines.
2800 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2802 PR middle-end/25776
2803 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2805 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2807 PR middle-end/25776
2808 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2809 or sorry count is non zero.
2811 2006-05-20 Andreas Schwab <schwab@suse.de>
2813 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2815 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2816 Kenneth Zadeck <zadeck@naturalbridge.com>
2818 PR rtl-optimization/26855
2820 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2821 multiword refs.
2822 (df_scan_alloc): Added code to properly handle multiword hard
2823 registers and add all_blocks parameter.
2824 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2825 code to properly handle multiword hard registers.
2826 (df_rescan_blocks): Added code to remove deleted blocks from
2827 bitmap.
2828 (df_ref_create_structure, df_ref_record): Added code to properly
2829 handle subregs.
2830 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2831 and set DF_REF_PARTIAL.
2832 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2833 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2834 (df_scan_add_problem): Added flags parameter.
2835 (df_ref_create_structure): Changed switching structure.
2836 (df_bb_refs_record): Fixed case where duplicate artificial refs
2837 were created. Changed location of flags.
2838 (df_record_entry_block_defs): Added code to make stack pointer
2839 live in entry block. Refined cases where frame pointer is needed.
2840 Changed location of flags.
2841 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2842 (df_set_state): Removed function.
2843 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2844 df_insn_create_insn_record, df_insn_refs_delete,
2845 df_ref_create_structure): Formatting changes.
2846 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2847 df_delete_basic_block): New function.
2848 (df_init): Changed location of flags.
2849 (df_add_problem): Added flags parameter and the way flags are
2850 processed.
2851 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2852 debug_df_chain): Improved debugging output.
2853 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2854 (df_refs_chain_dump): Removed df parameter.
2855 (df_iterative_dataflow): Added consistency check.
2856 (df_prune_to_subcfg): Made public.
2857 (df_analyze_problem): Added blocks_to_init parameter and made
2858 public.
2859 (df_ref_record, df_bb_refs_record, df_mark_reg,
2860 df_record_exit_block_uses): Whitespace changes.
2861 (df_dump): Whitespace changes.
2862 * df.h: Some reordering to remove forward references.
2863 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2864 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2865 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2866 (dataflow.flags): New field.
2867 (df.flag): Deleted field.
2868 (df_alloc_function): Added additional bitmap parameter.
2869 (df_dependent_problem_function): New type.
2870 (df_problem.changeable_flags): New field.
2871 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2872 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2873 (df_mw_hardreg): New struct.
2874 (DF_INSN_UID_MWS): New macro.
2875 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2876 parameter.
2877 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2878 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2879 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2880 (df_set_state): Removed function.
2881 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
2882 * df-problems.c (df_chain_dump): Removed df parameter.
2883 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
2884 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
2885 parameter.
2886 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
2887 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
2888 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
2889 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2890 DF_REF_MUST_CLOBBER cases.
2891 (df_ru_bb_local_compute_process_def,
2892 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2893 df_lr_bb_local_compute, df_ur_bb_local_compute,
2894 df_chain_create_bb): Made subreg aware.
2895 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2896 df_lr_bb_local_compute, df_lr_bb_local_compute,
2897 df_chain_create_bb): Cleanup to use proper macros.
2898 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2899 code to fixup bitvectors.
2900 (df_ri_alloc): Cleared lifetime.
2901 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2902 df_create_unused_note): New function.
2903 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2904 REG_DEAD and REG_UNUSED notes as well as register information.
2905 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2906 df_chains_dump): Fixed crash if problem was never run.
2907 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2908 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2909 df_ri_add_problem): Processes flags in uniform manner.
2910 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2911 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2912 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2913 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2914 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2915 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2916 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2917 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2918 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2919 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2920 * see.c (see_initialize_data): Ditto.
2921 * final.c (rest_of_clean_state) Added regstack_completed.
2922 * rtl.h (regstack_completed): Ditto.
2923 * reg-stack.c (regstack_completed): Ditto.
2925 2006-05-19 Mike Stump <mrs@apple.com>
2927 * c-tree.h (default_conversion): Remove.
2928 * c-common.h (default_conversion): Add.
2930 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2932 * tree-vrp.c (valid_value_p): New function.
2933 (adjust_range_with_scev): Fail if the value of bound is not
2934 simple.
2936 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2938 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2939 (mips_fallback_frame_state): Use syscall numbers to determine
2940 the appropriate li instruction for the current ABI. Only use
2941 __NR_sigreturn for o32.
2943 2006-05-19 Nicolas Setton <setton@adacore.com>
2945 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2946 * langhooks.c (lhd_dwarf_name): New function.
2947 * langhooks-def.h (lhd_dwarf_name): Declare.
2948 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2949 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2950 * ada/misc.c (gnat_dwarf_name): New function.
2951 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2953 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2955 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2956 libgcc2.h.
2957 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2958 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2959 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2960 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2961 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2962 determine the size of Wtype, etc.
2963 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2964 (swfloatfuncs): New variable.
2965 (dwfloatfuncs): Likewise.
2966 (lib2funcs): Remove floating-point conversion functions from
2967 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2968 the set of conversion routines needed. Allow entries to specify
2969 an object name, filename and word size. Update users accordingly.
2970 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2971 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2973 Revert:
2975 2006-02-08 Roger Sayle <roger@eyesopen.com>
2977 PR target/22209
2978 * config/fixtfdi.c: New libgcc source file.
2979 * config/fixunstfdi.c: New source file.
2980 * config/floatditf.c: New source file.
2981 * config/floatunditf.c: New souce file.
2982 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2983 files above instead of config/mips/_tilib.c.
2984 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2986 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2988 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2989 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2991 2006-05-18 Mike Stump <mrs@apple.com>
2993 Fix up vla, vm and [*] sematics.
2995 PR c/18740
2996 PR c/7948
2997 PR c/25802
2998 PR c/27673
2999 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3000 (c_vla_unspec_p): Add.
3001 (c_vla_type_p): Add.
3002 * c-decl.c (struct c_scope): Add had_vla_unspec.
3003 (build_array_declarator): Add support for [*].
3004 (grokdeclarator): Likewise.
3005 (grokparms): Likewise.
3006 (get_parm_info): Likewise.
3007 * c-objc-common.c (c_vla_unspec_p): Likewise.
3008 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3009 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3010 typeof when argument is a variably modified type not inside sizeof or alignof.
3011 (c_parser_direct_declarator_inner): Propagate errors.
3012 (c_parser_sizeof_expression): Add support for [*].
3013 (c_parser_parms_declarator): Initialize had_vla_unspec.
3014 (c_parser_parms_list_declarator): Likewise.
3015 * c-typeck.c (c_vla_type_p): Add.
3016 (composite_type): Add support for vla compositing.
3017 (comptypes_internal): Add support for vla compatibility.
3018 (c_expr_sizeof_expr): Evaluate vla arguments.
3019 * tree.c (variably_modified_type_p): Update comment for [*].
3021 2006-05-18 Michael Matz <matz@suse.de>
3023 PR target/27599
3024 * config.host: Make assignments to host_xmake_file cumulative.
3025 * config.host (*-darwin*): Test $host, not $target.
3027 2006-05-12 Stuart Hastings <stuart@apple.com>
3029 * config/i386/i386.opt (-mstackrealign): New flag.
3030 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3031 (ix86_handle_cconv_attribute): Emit error when
3032 force_align_arg_pointer attribute collides with too many regparms.
3033 (ix86_function_regparm): Limit regparms when used with
3034 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3035 Support stack-realigning prologue in non-main functions. Emit
3036 warning for nested functions under -mstackrealign, emit error for
3037 nested functions with force_align_arg_pointer attribute.
3038 * doc/extend.texi (force_align_arg_pointer): Document it.
3039 * doc/invoke.texi (-mstackrealign): Document it.
3041 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3043 PR rtl-optimization/27477
3044 * combine.c (try_combine): Don't split a parallel consisting
3045 of two sets into two individual sets if both sets reference
3046 cc0.
3048 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3050 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3051 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3053 * doc/options.texi (VarExists): Updated.
3055 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3057 * unwind-dw2.c: Add declarations for uw_update_context and
3058 uw_frame_state_for.
3059 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3060 detected, advance frame state and context once to skip over stub.
3062 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3064 PR middle-end/20256
3065 PR middle-end/26435
3066 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3067 Call rewrite_into_loop_closed_ssa only when something changed.
3068 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3069 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3070 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3071 Test for perfect_nest_p here. Fix formating.
3072 (replace_uses_equiv_to_x_with_y): Fix formating.
3073 (stmt_uses_op): Removed.
3074 (can_convert_to_perfect_nest): Removed loopivs parameter.
3075 Complete the test by checking the scalar dependences.
3076 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3077 Fix formating.
3079 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3081 PR bootstrap/22541
3082 From Dan Kegel <dank@kegel.com>:
3083 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3085 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3087 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3088 if the element type is variably modified without recursing.
3090 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3092 PR middle-end/27332
3093 * tree-loop-linear.c (try_interchange_loops): Test for
3094 no data dependences.
3096 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3098 PR tree-optimization/27548
3099 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3100 range of ssa names that appear on abnormal edges.
3101 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3102 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3104 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3106 PR middle-end/27620
3107 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3109 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3111 PR middle-end/27415
3112 * tree.h (OMP_PARALLEL_COMBINED): Define.
3113 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3114 (new_omp_context): Add is_combined_parallel argument.
3115 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3116 new_omp_context caller.
3117 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3118 Adjust gimplify_scan_omp_clauses callers.
3119 (omp_is_private): Issue errors if iteration variable is firstprivate
3120 or reduction in the current context.
3121 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3122 on combined parallel workshare constructs.
3124 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3126 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3127 (gcc-options.o): New rule.
3129 * optc-gen.awk: Protect variables for gcc-options.o with
3130 #ifdef GCC_DRIVER/#endif.
3132 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3134 Fix PR tree-optimization/27373
3135 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3136 (forward_propagate_addr_expr): Update call.
3138 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3140 * doc/options.texi: Move the Negative option.
3142 2006-05-16 Richard Guenther <rguenther@suse.de>
3144 PR tree-optimization/22303
3145 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3146 from STRING_CSTs.
3147 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3148 ccp_fold did not simplify the statement.
3150 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3152 PR driver/26885
3153 * Makefile.in (GCC_OBJS): New.
3154 (OBJS-common): Add opts-common.o.
3155 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3156 (cpp$(exeext)): Likewise.
3157 (gcc.o): Also depend on opts.h.
3158 (opts-common.o): New.
3160 * common.opt (gcoff): Add Negative(gdwarf-2).
3161 (gdwarf-2): Add Negative(gstabs).
3162 (gstabs): Add Negative(gstabs+).
3163 (gstabs+): Add Negative(gvms).
3164 (gvms): Add Negative(gxcoff).
3165 (gxcoff): Add Negative(gxcoff+).
3166 (gxcoff+): Add Negative(gcoff).
3167 * config/i386/i386.opt (m32): Add Negative(m64).
3168 (m64): Add Negative(m32).
3170 * doc/options.texi: Document the Negative option.
3172 * gcc.c: Include "opts.h".
3173 (main): Call prune_options after expandargv.
3175 * optc-gen.awk: Generate common declarations for all flag
3176 variables in options.c. Output the neg_index field.
3178 * opts.c (find_opt): Moved to ...
3179 * opts-common.c: Here. New file.
3181 * opts.h (cl_option): Add a neg_index field.
3182 (find_opt): New.
3183 (prune_options): Likewise.
3185 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3187 PR middle-end/27573
3188 * omp-low.c (expand_omp_parallel): Don't assert
3189 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3190 instead search for it.
3192 PR c/27499
3193 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3194 is signed.
3196 2006-05-16 Andreas Schwab <schwab@suse.de>
3198 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3199 defmac.
3201 2006-05-15 Roger Sayle <roger@eyesopen.com>
3203 PR target/26600
3204 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3205 integer constants other than zero are only legitimate on TARGET_64BIT.
3206 <CONST_VECTOR> Only zero vectors are legitimate.
3207 (ix86_cannot_force_const_mem): Integral and vector constants can
3208 always be put in the constant pool.
3210 2006-05-16 DJ Delorie <dj@redhat.com>
3212 * crtstuff.c (__dso_handle): Set section from
3213 TARGET_LBIGCC_SDATA_SECTION if defined.
3214 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3215 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3217 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3219 PR target/27599
3220 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3221 host_xmake_file.
3223 2006-05-16 Ben Elliston <bje@au.ibm.com>
3225 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3227 2006-05-15 Per Bothner <per@bothner.com>
3229 * tree.c: (last_annotated_node): Use source_locus typedef.
3230 This permits bootstrapping with --enable-mapped-location.
3232 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3234 PR tree-optimization/26830
3235 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3236 (info_for_ssa_name, current_info_for_ssa_name_age,
3237 blocks_to_update): New variables.
3238 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3239 (clear_ssa_name_info, initialize_flags_in_bb,
3240 mark_block_for_update): New functions.
3241 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3242 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3243 prepare_def_site_for): Use mark_block_for_update.
3244 (mark_def_interesting): Assert that the processed block is marked in
3245 blocks_to_update. Do not take blocks argument.
3246 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3247 argument.
3248 (rewrite_update_init_block, rewrite_update_stmt): Only process
3249 blocks with statements to rewrite.
3250 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3251 (update_ssa): Initialize and free blocks_to_update. Do not
3252 clear flags on statements. Do not use blocks bitmap.
3253 * tree.h (SSA_NAME_AUX): Removed.
3254 (struct tree_ssa_name): Removed aux field.
3255 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3257 2006-05-15 Richard Guenther <rguenther@suse.de>
3259 PR tree-optimization/27603
3260 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3261 Do computations in original type.
3263 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3265 * see.c: Code style changes such as redundant paranthesis,
3266 redundant intialization of local variables etc.
3267 (see_main): Declared now as static.
3268 * doc/invoke.texi: Update that -fsee is not enabled by
3269 default at -O3.
3271 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3273 * omp-low.c (check_omp_nesting_restrictions): New function.
3274 (scan_omp_1): Call it.
3276 PR middle-end/27416
3277 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3278 construct, return *VAR.
3280 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3282 PR rtl-optimization/27406
3283 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3284 edges.
3286 2006-05-14 Roger Sayle <roger@eyesopen.com>
3288 PR rtl-optimization/27538
3289 * combine.c (expand_compound_operation): Call gen_lowpart
3290 before calling simplify_shift_const.
3292 2006-05-14 Roger Sayle <roger@eyesopen.com>
3294 PR rtl-optimization/22563
3295 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3296 a fixed width bitfield, always force the intermediates into psuedos.
3298 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3300 PR 27501
3301 * mkconfig.sh: Use operator = instead of == for test.
3303 2006-05-13 Nick Clifton <nickc@redhat.com>
3305 * dwarf2out.c (dbx_reg_number): Check return value from
3306 LEAF_REG_REMAP and only use it if it is valid.
3307 (multiple_reg_loc_descriptor): Likewise.
3309 2006-05-13 Richard Guenther <rguenther@suse.de>
3311 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3312 host_xmake_file.
3314 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3316 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3317 information attached to non-INSNs such as NOTEs.
3318 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3320 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3322 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3323 On contraint.
3324 * config/s390/s390.md: Adjust comment describing On constraint.
3326 2006-05-11 Jan Hubicka <jh@suse.cz>
3328 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3329 to be output at -O0.
3331 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3333 PR middle-end/27384
3334 * fold-const.c (size_binop): Move sanity check for arguments to
3335 the beginning of the function.
3337 PR middle-end/27488
3338 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3339 expression.
3341 2006-05-11 Richard Guenther <rguenther@suse.de>
3343 PR middle-end/27529
3344 * fold-const.c (fold_unary): Handle intermediate conversion
3345 to a pointer type like intermediate conversion to an integer
3346 type in folding of (T1)(T2)var to var.
3347 Match the code to the comment in the final conversion for
3348 (T1)(T2)var to (T1)var regarding to type precision. Rather
3349 than disallow T1 being of pointer type, assert that both T1
3350 and var are of pointer type or not. Make sure not to fall
3351 over the frontends lazyness wrt array to pointer decay though.
3353 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3355 * arm.c (arm_struct_value_rtx): Delete.
3356 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3357 (arm_init_cumulative_args): Always initialize nregs to zero.
3359 2006-05-10 Richard Guenther <rguenther@suse.de>
3361 PR tree-optimization/27532
3362 * tree-object-size.c (plus_expr_object_size): Fix typo.
3364 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3366 PR target/24949
3367 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3368 ashrdi_const, ashrdi3): Use a scratch register.
3370 2006-05-10 Richard Guenther <rguenther@suse.de>
3372 PR tree-optimization/27302
3373 * fold-const.c (operand_equal_p): For two comparisons,
3374 try comparison of one comparison code swapped if that yields
3375 the same code.
3377 2006-05-10 Ben Elliston <bje@au.ibm.com>
3379 * tree-pretty-print.c (pretty_print_string): No need to handle
3380 '\0' as a special character.
3382 * tree.h: Include "hashtab.h".
3383 (iterative_hash_expr): Use hashval_t in its prototype.
3384 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3386 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3388 PR bootstrap/26872
3389 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3390 (hppa*64*-*-hpux11*): Ditto.
3391 (hppa[12]*-*-hpux11*): Ditto.
3393 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3395 PR target/26545
3396 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3398 2006-05-09 Michael Matz <matz@suse.de>
3400 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3401 host_extra_gcc_objs and host_xmake_file.
3402 (<*-*-linux*>): Don't overwrite host_xmake_file.
3403 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3404 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3405 (host_detect_local_cpu): Declare.
3406 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3407 * config/i386/i386.c (override_options): Handle -mtune=native
3408 as -mtune=generic.
3409 * config/i386/x-i386: New file.
3410 * config/i386/driver-i386.c: New file.
3411 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3412 cpu-type "native".
3414 2006-05-09 Dirk Mueller <dmueller@suse.de>
3415 Richard Guenther <rguenther@suse.de>
3417 PR middle-end/27498
3418 * fold-const.c (fold_read_from_constant_string): Relax check
3419 for matching types to matching modes.
3421 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3423 PR rtl-optimization/27335
3424 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3425 loops.
3427 2006-05-08 Chao-ying Fu <fu@mips.com>
3428 Richard Sandiford <richard@codesourcery.com>
3430 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3431 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3432 * config/mips/mips.md (UNSPEC_SCC): New constant.
3433 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3434 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3435 (mips_emit_compare): Use it.
3436 (mips_expand_vcondv2sf): New function.
3438 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3440 Fix PR tree-optimization/27093
3441 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3442 renaming when they become not-used_alone.
3444 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3446 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3447 relocation and relocation stubs.
3449 2006-05-08 Eric Christopher <echristo@apple.com>
3451 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3452 section for ppc.
3454 2006-05-08 Jan Hubicka <jh@suse.cz>
3456 PR middle-end/24561
3457 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3458 unused static functions are needed.
3460 2006-05-08 Roger Sayle <roger@eyesopen.com>
3462 PR target/27158
3463 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3464 of a reg_equiv_constant if the result is a legitimate constant.
3466 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3468 PR target/27277
3469 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3470 standard 80387 constants, raise the cost to prevent
3471 compress_float_constant() to generate load from memory.
3473 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3475 * config/arm/constraints.md (c): Fix a typo.
3477 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3478 typos.
3480 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3482 PR target/24879
3483 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3484 inline function.
3485 (_mm_mwait): Likewise.
3487 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3488 "mwait".
3489 (sse3_monitor): Make it 32bit only.
3490 (sse3_monitor64): New. 64bit monitor.
3492 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3494 PR target/27421
3495 * config/i386/i386.c (classify_argument): Skip fields with invalid
3496 types.
3498 2006-05-07 Richard Guenther <rguenther@suse.de>
3500 PR tree-optimization/27409
3501 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3502 Do not try to find zero-sized subvars.
3504 2006-05-07 Richard Guenther <rguenther@suse.de>
3506 PR tree-optimization/27136
3507 * tree-ssa-loop-niter.c (get_val_for): Correct function
3508 comment, assert requirements.
3509 (loop_niter_by_eval): Stop processing if the iterated
3510 value did not simplify.
3512 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3514 * opts.c (flag_see): remove its setting at -O3.
3516 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3518 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3519 * arm/constraints.md: New file.
3520 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3521 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3522 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3523 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3524 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3525 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3526 * arm.md: Include constraints.md.
3527 (thumb_movsi_insn): Use satisfies_constraint_J.
3528 (movhi, movqi): Use satisfies_constraint_I.
3530 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3532 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3533 for atmeg a645 device.
3535 2006-05-06 Richard Guenther <rguenther@suse.de>
3537 PR tree-optimization/27151
3538 * tree-vect-transform.c (vectorizable_condition): Punt on
3539 values that have a different type than the condition.
3541 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3543 PR/21391
3544 * c-parser.c (c_parser_cast_expression): Only insert casts into
3545 hash table if pointer.
3546 * function.c (used_types_insert_helper): Rename from
3547 used_types_insert.
3548 (used_types_insert): Call used_types_insert_helper.
3549 * function.h (used_types_insert): Accept only one argument.
3551 2006-05-05 David Edelsohn <edesohn@gnu.org>
3553 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3554 scratch with output modifier.
3556 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3558 PR target/26481
3559 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3560 with output modifier.
3562 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3564 PR target/26765
3565 * config/mips/mips.c (mips_symbolic_address_p): Return true
3566 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3567 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3569 2006-05-04 Richard Guenther <rguenther@suse.de>
3571 PR tree-optimization/14287
3572 PR tree-optimization/14844
3573 PR tree-optimization/19792
3574 PR tree-optimization/21608
3575 PR tree-optimization/27090
3576 * tree-ssa-pre.c (try_combine_conversion): New function.
3577 (compute_avail): After constructing the value-handle
3578 expression, use try_combine_conversion to combine NOP_EXPRs
3579 with previous value-handle expressions and use the result if it
3580 is available.
3582 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3584 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3586 2006-05-04 Jan Hubicka <jh@suse.cz>
3588 PR middle-end/25962
3589 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3591 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3593 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3594 that this only matches CONST_INTs. All users changed to VOIDmode
3595 operands.
3597 * config/bfin/bfin.c: Include "optabs.h".
3598 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3599 to do more work.
3600 (enum bfin_builtins): Add a number of fractional and vector builtins.
3601 (bfin_init_builtins): Likewise.
3602 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3603 (safe_vector_operand, bfin_expand_binop_builtin,
3604 bfin_expand_unop_builtin): New functions.
3605 (bfin_expand_builtin): Handle the new builtins.
3606 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3607 __ADSPBLACKFIN__.
3609 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3611 * see.c: New file.
3612 * Makefile.in (OBJS-common): Add see.o.
3613 (see.o): Add dependencies.
3614 * common.opt (fsee): New flag for the see optimization was added.
3615 * opts.c (flag_see): Initialized.
3616 * passes.c (init_optimization_passes, pass_see): New pass.
3617 * rtl.h (see_main): Declaration as extern.
3618 * timevar.def (TV_SEE): New.
3619 * tree-pass.h (pass_see): Declaration as extern.
3620 * invoke.texi (-fsee): Document.
3621 * recog.c (validate_simplify_insn): New function.
3622 * recog.h (validate_simplify_insn): Declaration as extern.
3623 * df-problems.c (df_chain_dump): Check for NULL.
3625 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3626 Daniel Berlin <dberlin@dberlin.org>
3628 * cfgrtl.c (insert_insn_bb_end_new): New function.
3629 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3631 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3633 * df.h (struct web_entry): Moved from web.c.
3634 (union_defs): Declaration as extern.
3635 (unionfind_root): Likewise.
3636 (unionfind_union): Likewise.
3637 * web.c (struct web_entry): Moved to df.h.
3638 (unionfind_root): Remove static declaration.
3639 (unionfind_union): Likewise.
3640 (union_defs): Likewise and generalize to use callback function.
3641 (web_main): Update arguments for union_defs function call.
3643 2006-05-04 Richard Guenther <rguenther@suse.de>
3645 PR tree-optimization/26447
3646 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3647 produce SSA_NAME copies before the store stmt to avoid
3648 breaking exception handling.
3650 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3652 PR middle-end/27388
3653 * gimplify.c (omp_is_private): If var is shared in some outer context,
3654 return false instead of true. Stop searching on parallel context
3655 boundary.
3657 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3659 PR java/8260
3660 * coverage.c: Use get_gcov_unsigned_t() instead of
3661 unsigned_type_node all over.
3663 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3665 PR tree-optimization/27381
3666 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3667 maintain the same immediate_use links.
3668 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3669 node rather than segfaulting.
3671 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3673 PR fortran/27395
3674 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3675 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3676 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3678 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3680 Fix PR tree-optimization/26626
3681 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3682 always.
3683 * tree-ssa-operands.c (access_can_touch_variable): Allow
3684 typecasting through union pointers.
3686 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3688 PR c++/26943
3689 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3690 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3691 to find if var will be a global variable even in the nested context.
3692 (omp_copy_decl): Only check for global variable at the end, it might
3693 be overridden in outer contexts.
3694 (scan_sharing_clauses): For global variables don't create a field.
3695 (lower_rec_input_clauses): Do nothing for global shared variables.
3696 Emit a barrier at the end of ILIST if there were any decls in both
3697 firstprivate and lastprivate clauses.
3698 (lower_send_clauses): Do nothing for global variables except for
3699 COPYIN.
3701 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3703 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3704 of the correct signedness is returned.
3706 2006-05-02 Jeff Law <law@redhat.com>
3708 PR tree-optimization/27364
3709 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3710 multiply expressions.
3712 2006-05-02 Tom Tromey <tromey@redhat.com>
3714 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3716 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3718 PR target/27387
3719 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3720 -mthumb -fPIC are used.
3722 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3723 Joshua Kinard <kumba@gentoo.org>
3725 PR target/25871
3726 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3727 with 64-bit pointers.
3729 2006-05-02 Paul Brook <paul@codesourcery.com>
3731 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3732 and pool overlap.
3733 (create_fix_barrier): Check that a suitable barrier location is
3734 found.
3735 (arm_reorg): Include ftmp->address in allowable range of addresses.
3737 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3739 PR ada/27366
3740 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3741 on Cygwin.
3743 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3745 PR middle-end/27337
3746 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3747 around RESULT_DECL for result passed by reference.
3748 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3749 * omp-low.c (use_pointer_for_field): Don't look at
3750 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3751 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3752 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3753 time or var for passing by reference for
3754 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3755 TREE_ADDRESSABLE variables when passing by reference.
3757 * omp-low.c (dump_omp_region): Fix output formatting.
3759 PR middle-end/27328
3760 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3761 (expand_omp_parallel): Likewise.
3762 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3764 PR middle-end/27325
3765 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3766 on statement list containing also constructors and destructors.
3767 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3769 PR middle-end/27310
3770 * except.c (duplicate_eh_regions): Fix clearing of
3771 cfun->eh->region_array entries.
3773 2006-05-01 DJ Delorie <dj@redhat.com>
3775 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3776 build!=host.
3777 (gcc_cv_objdump): Likewise.
3778 * configure: Regenerated.
3780 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3782 PR target/27374
3783 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3784 templates for case 3 and 4.
3786 2006-05-01 DJ Delorie <dj@redhat.com>
3788 * vec.c: Include bconfig.h when appropriate.
3789 * Makefile.in (build/vec.o): Adjust dependencies.
3790 * mkconfig.sh: Make sure config.h isn't used for build machine
3791 compiles.
3793 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3795 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3796 variables.
3797 (mark_phi_for_rewrite): New function.
3798 (insert_phi_nodes_for, mark_use_interesting): Call
3799 mark_phi_for_rewrite.
3800 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3801 (update_ssa): Initialize and free phis_to_rewrite.
3803 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3805 PR rtl-optimization/27291
3806 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3807 folded to a constant.
3809 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3811 PR tree-optimization/27283
3812 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3813 not whole # of iteration descriptions.
3814 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3815 uses abnormal ssa name.
3816 (niter_for_single_dom_exit): Ditto.
3817 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3818 return just the number of iterations.
3820 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3822 PR tree-optimization/27144
3823 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3824 (record_estimate): Only record constant upper bound.
3825 (infer_loop_bounds_from_undefined): Call
3826 compute_estimated_nb_iterations just once.
3827 (proved_non_wrapping_p): Renamed to ...
3828 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3829 (convert_step_widening, scev_probably_wraps_p): Call
3830 n_of_executions_at_most instead of proved_non_wrapping_p.
3831 (substitute_in_loop_info): Do not replace values in bounds.
3832 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3833 comments.
3835 2006-05-01 Richard Henderson <rth@redhat.com>
3837 PR c/27358
3838 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3839 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3840 CPP_PRAGMA.
3842 2006-05-01 Roger Sayle <roger@eyesopen.com>
3844 * c-typeck.c (parser_build_binary_op): Don't call the function
3845 unsigned_conversion_warning to spot operand/result type overflow.
3846 (build_binary_op): Instead, call convert_and_check instead of
3847 convert to report the problem when the operands are promoted.
3848 * c-common.c (unsigned_conversion_warning): Make static.
3849 * c-common.h (unsigned_conversion_warning): Delete prototype.
3851 2006-05-01 Richard Guenther <rguenther@suse.de>
3853 PR tree-optimization/26726
3854 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3855 problem ...
3856 (find_interesting_uses_address): ... we work around here
3857 by folding INDIRECT_REFs in the substituted base.
3859 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3861 * omp-low.c (dump_omp_region): Add newlines.
3863 2006-04-30 Roger Sayle <roger@eyesopen.com>
3865 * common.opt (Woverflow): New command line option.
3866 * c-common.c (constant_expression_warning): Check warn_overflow.
3867 (overflow_waring): Pass OPT_Woverflow to warning.
3868 (unsigned_conversion_warning): Likewise.
3869 (convert_and_check): Likewise.
3870 * doc/invoke.texi: Document new command line option.
3872 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3874 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3875 TARGET_NO_FP_IN_TOC for section anchors.
3876 (optimization_options): Enable section anchors for all
3877 non-"Objective" languages.
3879 2006-04-28 Eric Christopher <echristo@apple.com>
3881 * config/darwin-c.c (darwin_ms_struct): Move this
3882 (darwin_set_default_type_attributes): and this...
3883 * config/darwin.c: ... here.
3884 * config/darwin.h (darwin_ms_struct): Declare.
3886 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3888 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3890 2006-04-28 Roger Sayle <roger@eyesopen.com>
3892 PR c/25309
3893 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3894 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3895 an unsigned HOST_WIDE_INT.
3896 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3897 array index.
3898 (really_start_incremental_init): No need to call convert because
3899 bitsize_zero_node is already of type bitsizetype.
3900 (push_init_level): Extract the value of constructor_index as an
3901 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3902 (process_init_element): Likewise.
3904 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3906 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3907 value before passing to make_relative_prefix.
3909 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3911 PR middle-end/27260
3912 * builtins.c (expand_builtin_memset): Expand val in original mode.
3914 2006-04-27 Eric Christopher <echristo@apple.com>
3916 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3917 with #ifndef/#endif.
3918 * config/darwin-c.c (darwin_ms_struct): New.
3919 (darwin_pragma_ms_struct): Ditto.
3920 (darwin_set_default_type_attributes): Ditto.
3921 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3922 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3923 Register ms_struct pragma.
3924 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3925 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3926 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3927 darwin_set_default_type_attributes if TARGET_MACHO.
3929 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3931 PR tree-optimization/26854
3932 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3933 * doc/tree-ssa.texi: Update immuse iterator documentation.
3934 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3935 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3936 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3937 first_safe_imm_use, next_safe_imm_use): Remove.
3938 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3939 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3940 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3941 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3942 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3943 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3944 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3945 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3946 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3947 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3948 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3949 (perfect_nestify): Use new iterator.
3950 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3951 iterator.
3952 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3953 (next_imm_name): New field in struct immediate_use_iterator_d.
3954 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3955 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3956 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3957 * tree-cfg.c (replace_uses_by): Use new iterator.
3958 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3959 * tree-ssa-operands.c (correct_use_link): Remove.
3960 (finalize_ssa_use_ops): No longer call correct_use_link.
3962 2006-04-27 Stuart Hastings <stuart@apple.com>
3964 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3965 * config/t-darwin (crt3.o): Use it.
3966 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3967 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3968 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3969 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3970 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3971 support.
3973 2006-04-27 Roger Sayle <roger@eyesopen.com>
3975 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3976 size, force the intermediate into a new pseudo rather instead of
3977 performing both a bitwise AND and a bitwise IOR in memory.
3979 2006-04-27 Richard Guenther <rguenther@suse.de>
3981 PR rtl-optimization/26685
3982 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3983 this one "max-flow-memory-locations".
3985 2006-04-27 Richard Guenther <rguenther@suse.de>
3987 PR tree-optimization/25148
3988 * tree-vrp.c (compare_values): Remove code dealing with
3989 comparisons against type min/max value. Honour overflow
3990 and negative constants in code dealing with comparisons
3991 of plus and minus expressions.
3992 (value_inside_range): Use fold_binary with LE_EXPR and
3993 GE_EXPR rather than compare_values.
3995 2006-04-27 Dirk Mueller <dmueller@suse.de>
3997 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3998 prototype for SSE.
4000 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4002 * basic-block.h (safe_insert_insn_on_edge): Removed.
4003 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4005 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4006 Paolo Bonzini <bonzini@gnu.org>
4008 PR middle-end/27282
4009 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4010 (simplify_and_const_int): Same.
4012 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4014 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4016 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4018 PR c/26171
4019 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4020 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4021 cgraph_global_info_ready.
4023 PR middle-end/26913
4024 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4026 PR c/25996
4027 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4028 either decl or init is error_mark_node.
4030 PR middle-end/25989
4031 * tree-flow.h (struct omp_region): Add sched_kind.
4032 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4033 instead of extracting omp for data.
4034 (expand_omp_for): Save extracted sched_kind.
4036 2006-04-25 Roger Sayle <roger@eyesopen.com>
4038 * expmed.c (store_bit_field): Also check whether the bitsize is
4039 valid for the machine's "insv" instruction before moving the
4040 target into a pseudo for use with the insv.
4041 * config/i386/predicates.md (const8_operand): New predicate.
4042 * config/i386/i386.md (extv, extzv, insv): Use the new
4043 const8_operand predicate where appropriate.
4045 2006-04-25 DJ Delorie <dj@redhat.com>
4047 * doc/install.texi (Specific): Clarify that this is not a list of
4048 supported hosts or targets.
4050 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4052 PR rtl-optimization/26725
4053 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4054 block's BB_DIRTY flag.
4056 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4058 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4059 are no branches.
4061 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4062 to print an integer.
4064 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4066 * varasm.c (align_variable): New function.
4067 (get_block_for_decl): Apply align_variable to DECL before
4068 calculating section information.
4069 (assemble_variable): Split out alignment computation.
4071 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4073 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4074 machines.
4076 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4078 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4079 MODE_PARTIAL_INT mode.
4080 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4081 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4082 for CONST_INTs.
4083 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4084 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4085 V2PDImode.
4086 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4087 New predicates.
4088 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4089 New constants.
4090 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4091 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4092 MACFLAG_IH): Likewise.
4093 (movstricthi_1): Renamed from "*movstricthi".
4094 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4095 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4096 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4097 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4098 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4099 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4100 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4101 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4102 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4103 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4104 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4105 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4106 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4107 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4108 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4110 * doc/rtl.texi (ss_ashift): Improve wording.
4112 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4114 * dwarf2out.c (verify_marks_clear): New.
4115 (prune_unused_types): Call verify_marks_clear initially, not
4116 prune_unmark_dies.
4118 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4120 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4121 * doc/rtl.texi: Document them.
4122 * simplify-rtx.c (simplify_unary_operation,
4123 simplify_binary_operation_1): Don't abort when we see them.
4125 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4127 Revert:
4128 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4129 * configure.ac: Completely disregard languages that are not
4130 enabled.
4131 * configure: Regenerated.
4133 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4134 Richard Guenther <rguenther@suse.de>
4136 PR tree-optimization/27236
4137 * tree-inline.c (copy_body_r): Make sure to copy
4138 TREE_THIS_VOLATILE flag.
4140 2006-04-24 Richard Guenther <rguenther@suse.de>
4142 PR middle-end/26869
4143 * tree-complex.c (update_parameter_components): Don't handle
4144 unused parameters which have no default def.
4146 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4147 Richard Guenther <rguenther@suse.de>
4149 PR tree-optimization/27218
4150 * tree-inline.c (expand_call_inline): Strip useless type
4151 conversions for the return slot address.
4153 2006-04-24 Richard Guenther <rguenther@suse.de>
4155 * cfgloop.h (struct loops): Remove unused field array. Reorder
4156 state after num.
4157 (LOOP_PREFETCH): Remove.
4159 2006-04-24 Richard Guenther <rguenther@suse.de>
4161 PR tree-optimization/22525
4162 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4163 variable, adjust types of generated expressions.
4165 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4167 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4168 (tree-vect-patterns.o): Likewise.
4169 (jump.o): Likewise.
4170 (cselib.o): Likewise.
4171 (loop-doloop.o): Likewise.
4172 (regclass.o): Likewise.
4173 (reload1.o): Likewise.
4174 (explow.o): Replace target.h with $(TARGET_H).
4175 (ipa-prop.o): Likewise.
4176 (ipa-cp.o): Likewise.
4177 (ipa-inline.o): Likewise.
4178 (reorg.o): Likewise.
4179 (reg-stack.o): Likewise.
4181 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4183 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4185 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4187 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4189 * configure.ac: Completely disregard languages that are not
4190 enabled.
4191 * configure: Regenerated.
4193 PR c++/26534
4194 * c-common.h (c_build_bitfield_integer_type): Declare.
4195 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4196 * c-common.c (c_build_bitfield_integer_type): ... here.
4198 2006-04-23 Roger Sayle <roger@eyesopen.com>
4200 PR target/21283
4201 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4202 a SImode SUBREG of a floating point register after no_new_pseudos.
4204 2006-04-23 Roger Sayle <roger@eyesopen.com>
4206 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4207 identify potentially eliminable registers to additionally catch
4208 VIRTUAL_INCOMING_ARGS_REGNUM.
4209 (addsi3): Update the conditions on when to use addsi_small_int.
4211 2006-04-23 Roger Sayle <roger@eyesopen.com>
4213 PR target/16641
4214 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4215 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4216 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4218 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4220 * fold-const.c (range_predecessor): Use operand_equal_p
4221 as the predicate for equality.
4222 (range_successor): Likewise.
4224 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4226 Revert:
4227 * config/soft-fp/op-common.h: Fix a typo.
4229 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4231 PR libmudflap/26864
4232 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4233 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4235 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4237 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4238 Fix comment typos.
4239 * doc/tm.texi: Fix a typo.
4241 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4243 * dwarf2out.c (struct die_struct): Document that die_sib makes
4244 a circular linked list.
4245 (FOR_EACH_CHILD): New.
4246 (reverse_die_lists): Delete.
4247 (reverse_all_dies): Delete.
4248 (add_dwarf_attr): Correct documentation.
4249 (remove_child_with_prev): New.
4250 (remove_child_TAG): Update for change to die_struct, use
4251 remove_child_with_prev.
4252 (add_child_die): Update for change to die_struct.
4253 (splice_child_die): Use remove_child_with_prev and add_child_die.
4254 (print_die): Use FOR_EACH_CHILD.
4255 (die_checksum): Likewise.
4256 (assign_symbol_names): Likewise.
4257 (output_location_lists): Likewise.
4258 (build_abbrev_table): Likewise.
4259 (calc_die_sizes): Likewise.
4260 (mark_dies): Likewise.
4261 (unmark_dies): Likewise.
4262 (unmark_all_dies): Likewise.
4263 (output_die): Likewise.
4264 (prune_unused_types_mark): Likewise.
4265 (prune_unused_types_walk): Likewise.
4266 (same_die_p): Update for change to die_struct.
4267 (break_out_includes): Likewise.
4268 (prune_unused_types_prune): Likewise.
4269 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4270 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4271 it's already clear.
4272 (dwarf2out_finish): Don't call reverse_all_dies.
4274 2006-04-21 Eric Christopher <echristo@apple.com>
4276 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4277 in comments and function names.
4279 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4281 PR c/25875
4282 * c-typeck.c (digest_init): Robustify.
4284 * c-typeck.c (pop_init_level): Simplify.
4286 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4288 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4290 2006-04-21 Paul Brook <paul@codesourcery.com>
4292 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4293 hardware floating point.
4295 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4297 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4298 NON_FLOAT_REGS.
4300 2006-04-21 Nick Clifton <nickc@redhat.com>
4302 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4303 OPT_EXTRA_PARTS.
4305 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4307 PR target/27230
4308 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4309 C++ lang type in traceback table for Objective-C++.
4311 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4313 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4315 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4317 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4319 PR mudflap/26789
4320 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4321 were errors. Remove check for erroneous objects.
4323 2006-04-20 Jeff Law <law@redhat.com>
4325 PR tree-optimization/26854
4326 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4327 checking for zero or one use.
4328 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4329 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4330 * tree-ssa-reassoc.c (negate_value): Similarly.
4331 (reassociate_bb): Similarly.
4333 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4335 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4336 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4337 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4339 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4341 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4342 fp regs if the last fp arg doesn't fit in regs.
4344 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4346 PR target/27182
4347 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4348 that the last insn has the REG_INC note.
4350 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4351 Nathan Sidwell <nathan@codesourcery.com>
4353 PR c/26774
4354 * stor-layout.c (update_alignment_for_field): Do not align
4355 ERROR_MARK nodes.
4356 (place_union_field): Place union field at the start of the union.
4357 (place_field): Move ERROR_MARK check later, and use the current
4358 allocation position to maintain monotonicity.
4360 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4362 * dominance.c: Include timevar.h.
4363 (calculate_dominance_info): Use TV_DOMINANCE.
4364 * timevar.def (TV_DOMINANCE): New timevar.
4365 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4367 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4369 PR rtl-optimization/14261
4370 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4371 move would be an INSV insn.
4372 (noce_process_if_block): Don't optimize if the destination is a
4373 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4375 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4377 * config/s390/s390.md: Add comments with the instructions emitted
4378 by an insn pattern if macros are used.
4380 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4382 PR rtl-optimization/26026
4383 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4384 is a known power of two shifted left a variable amount.
4386 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4388 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4389 to hash table twice when the debug_str section has SECTION_MERGE.
4391 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4393 * config/soft-fp: New directory. From glibc.
4394 * config/soft-fp/t-softfp: New.
4395 * config/soft-fp/README: New.
4396 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4397 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4398 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4399 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4400 * config.gcc: Use rs6000/t-fprules-fpbit or
4401 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4402 rs6000/t-fprules.
4403 * config/rs6000/sfp-machine.h: New. Based on glibc.
4404 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4405 New.
4406 * config/rs6000/t-fprules: Remove fp-bit rules.
4407 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4408 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4409 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4410 (softfp_wrap_start, softfp_wrap_end): New.
4412 2006-04-18 DJ Delorie <dj@redhat.com>
4414 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4416 2006-04-18 Devang Patel <dpatel@apple.com>
4418 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4420 2006-04-18 Nick Clifton <nickc@redhat.com>
4422 * config/sh/t-symbian: Add rule to build sh-c.o
4423 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4424 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4425 (sh_symbian_encode_section_info): Likewise.
4427 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4429 * builtins.c (expand_builtin_strcmp): Cover label definition of
4430 do_libcall with HAVE_cmpstrnsi.
4432 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4434 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4435 instead of VARRAY.
4436 * function.h (temp_slot_p): New.
4437 (function): Change the type of x_used_temp_slots to
4438 VEC(temp_slot_p,gc) *.
4440 2006-04-18 Nick Clifton <nickc@redhat.com>
4442 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4443 flag_strength_reduce.
4445 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4447 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4449 PR target/27117
4451 Partial revert of revision 112637
4452 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4453 Dale Johannesen <dalej@apple.com>
4455 PR target/19653
4456 * regclass.c (struct reg_pref): Update documentation.
4457 (regclass): Set prefclass to NO_REGS if memory is the best option.
4458 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4460 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4462 PR tree-optimization/26821
4463 * tree-ssa-math-opts.c (get_constant_one): New.
4464 (insert_reciprocals): Use it.
4466 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4468 * dwarf2out.c (free_AT): Delete.
4469 (remove_AT): Update string ref counts.
4470 (remove_child_TAG): Don't call free_die.
4471 (free_die): Delete.
4472 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4473 or DW_TAG_GNU_EINCL.
4474 (prune_unused_types_walk_attribs): Reset string refcounts.
4475 (prune_unused_types_update_strings): New.
4476 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4477 call free_die. Do call prune_unused_types_update_strings.
4478 (prune_unused_types): Empty debug_str_hash.
4480 2006-04-17 Roger Sayle <roger@eyesopen.com>
4482 * expr.c (expand_assignment): Optimize away no-op moves where the
4483 source and destination are equal and have no side-effects.
4485 2006-04-17 Richard Guenther <rguenther@suse.de>
4487 PR target/26826
4488 * reload.c (push_reload): Guard calls to get_secondary_mem
4489 for memory subregs.
4491 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4493 * alias.c (reg_base_value, old_reg_base_value): Change the
4494 type to VEC(rtx,gc) *.
4495 (REG_BASE_VALUE, find_base_value, record_set,
4496 init_alias_analysis): Use VEC instead of VARRAY.
4498 * alias.c (alias_sets): Change the type to
4499 VEC(alias_set_entry,gc) *.
4500 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4501 VEC instead of VARRAY.
4502 (last_alias_set): Remove.
4504 * cgraph.h (cgraph_edge_p): New.
4505 Update the prototype of cgraph_function_versioning.
4506 * cgraphunit.c (cgraph_copy_node_for_versioning,
4507 cgraph_function_versioning): Use VEC instead of VARRAY.
4508 * ipa-cp.c (ipcp_insert_stage): Likewise.
4510 2006-04-16 Roger Sayle <roger@eyesopen.com>
4512 PR target/26961
4513 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4514 "A op B" or "A op C", we may need to convert A to the type of B and C.
4516 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4518 * target.h (struct gcc_target): Add mode_rep_extended.
4519 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4520 (init_num_sign_bit_copies_in_rep): Initialize it using
4521 mode_rep_extended.
4522 (truncate_to_mode): Use it.
4523 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4524 * targhooks.h (default_mode_rep_extended): Declare it.
4525 * targhooks.c (default_mode_rep_extended): Define it.
4526 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4527 default_mode_rep_extended.
4528 (TARGET_INITIALIZER): Include it.
4529 * doc/tm.texi (Misc): Document it.
4530 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4531 (mips_truncated_to_mode): New function.
4533 2006-04-16 Roger Sayle <roger@eyesopen.com>
4535 PR middle-end/25474
4536 * expr.c (compress_float_constant): Copy the narrow constant into
4537 a new pseudo before extending it to its final width.
4539 2006-04-16 Roger Sayle <roger@eyesopen.com>
4540 Andrew Pinski <pinskia@gcc.gnu.org>
4541 Dale Johannesen <dalej@apple.com>
4543 PR target/24076
4544 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4545 special case code to implement V8HImode and V16QImode with SSE2.
4547 2006-04-15 Roger Sayle <roger@eyesopen.com>
4549 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4550 trees are constructed with a suitable tree type.
4552 2006-04-15 Roger Sayle <roger@eyesopen.com>
4554 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4555 (integer_onep): Likewise.
4556 (integer_all_onesp): Likewise.
4557 (integer_pow2p): Likewise.
4558 (integer_nonzerop): Likewise.
4559 (real_zerop): Likewise.
4560 (real_onep): Likewise.
4561 (real_twop): Likewise.
4562 (real_minus_onep): Likewise.
4563 (int_size_in_bytes): Likewise.
4564 (host_integerp): Likewise.
4566 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4568 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4569 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4570 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4572 * tree-ssa-structalias.h (alias_info): Remove num_references.
4574 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4576 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4577 (output_bvb patterns): Likewise.
4578 * pa.c (output_bb): Use 'bb' insn for long branch case.
4579 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4580 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4581 1. Correct length operand for alternatives 1 and 2.
4582 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4583 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4585 2006-04-14 Roger Sayle <roger@eyesopen.com>
4587 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4588 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4589 were accidentally reverted by r112959.
4591 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4593 PR middle-end/26823
4594 * except.h (eh_region_outermost): New prototype.
4595 * except.c (eh_region_outermost): New function.
4596 * tree-cfg.c (find_outermost_region_in_block): Use it.
4598 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4600 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4601 of VARRAY.
4602 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4603 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4604 (init_reload, reload): Use VEC instead of VARRAY.
4605 * reload.h: Update the prototype for
4606 reg_equiv_memory_loc_varray.
4608 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4609 Eric Botcazou <ebotcazou@libertysurf.fr>
4611 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4612 register save area.
4614 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4616 PR middle-end/27134
4617 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4618 to expand fallback builtin function call.
4620 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4622 PR middle-end/27095
4623 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4624 and emit libcall here in case the builtin fails.
4625 (expand_builtin_strcmp): Always emit the libcall here on failure.
4627 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4629 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4630 * flow.c (reg_n_info): Change the type to
4631 VEC(reg_info_p,heap) *.
4632 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4633 instead of VARRAY.
4634 * regs.h (reg_info_p): New.
4635 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4636 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4637 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4638 instead of VARRAY.
4640 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4642 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4643 defaulting to 100.
4644 * params.h (MAX_SCHED_READY_INSNS): New macro.
4645 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4646 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4647 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4648 the ready list for 1 cycle during the first scheduling pass.
4649 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4651 2006-04-13 Richard Henderson <rth@redhat.com>
4653 PR libgomp/26651
4654 * gimple-low.c (lower_omp_directive): Remove dead code.
4655 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4656 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4657 * omp-low.c (struct omp_region): Move to tree-flow.h.
4658 (root_omp_region): Export.
4659 (omp_regions, lookup_omp_region): Remove.
4660 (determine_parallel_type): Update for struct omp_region changes.
4661 (dump_omp_region): Dump regions with block numbers.
4662 (new_omp_region): Take type and block instead of stmt; malloc
4663 instead of ggc.
4664 (free_omp_region_1, free_omp_regions): New.
4665 (expand_parallel_call): Take entry_stmt as argument; update for
4666 changes to omp_region.
4667 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4668 (remove_exit_barriers): New.
4669 (expand_omp_parallel): Update for struct omp_region changes.
4670 (expand_omp_synch): Likewise.
4671 (expand_omp): Likewise.
4672 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4673 (expand_omp_for_static_chunk): Likewise.
4674 (expand_omp_for): Likewise.
4675 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4676 (expand_omp_sections): Similarly, with GOMP_sections_end.
4677 (expand_omp_single): New.
4678 (build_omp_regions_1): Update for OMP_CONTINUE.
4679 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4680 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4681 OMP_SECTIONS_SECTIONS.
4682 (lower_omp_single_simple): Don't emit barrier here.
4683 (lower_omp_single_copy): Likewise.
4684 (lower_omp_single): Fix bindings, and lower to straightline now.
4685 (lower_omp_master, lower_omp_ordered): Likewise.
4686 (lower_omp_critical): Likewise.
4687 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4688 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4689 omp edges, free it afterward.
4690 (make_omp_sections_edges): Remove.
4691 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4692 (move_stmt_r): Handle OMP_CONTINUE.
4693 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4694 statement pointers to basic blocks. Add type member.
4695 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4696 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4697 * tree-inline.c (estimate_num_insns_1): Likewise.
4698 * tree-pretty-print.c (dump_generic_node): Likewise.
4699 * tree-ssa-operands.c (get_expr_operands): Likewise.
4700 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4701 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4702 (OMP_CONTINUE): New.
4703 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4704 (OMP_SECTIONS_SECTIONS): Remove.
4705 (OMP_SECTION_LAST): New.
4706 (OMP_RETURN_NOWAIT): New.
4708 2006-04-13 Roger Sayle <roger@eyesopen.com>
4710 * fold-const.c (native_encode_vector, native_interpret_real):
4711 Correct obvious mistakes in the previous check-in.
4713 2006-04-13 Roger Sayle <roger@eyesopen.com>
4715 * fold-const.c (native_encode_expr): New function to encode
4716 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4717 or VECTOR_CST into a specified buffer.
4718 (native_encode_int): New function.
4719 (native_encode_real): New function.
4720 (native_encode_complex): New function.
4721 (native_encode_vector): New function.
4722 (native_interpret_expr): Inverse of native_encode_expr to convert
4723 a target representation into an INTEGER_CST, REAL_CST etc...
4724 (native_interpret_int): New function.
4725 (native_interpret_real): New function.
4726 (native_interpret_complex): New function.
4727 (native_interpret_vector): New function.
4728 (fold_view_convert_expr): New function to constant fold/evaluate
4729 a VIEW_CONVERT_EXPR of a suitable constant expression.
4730 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4731 Change call of build1 to fold_build1 when constructing a
4732 VIEW_CONVERT_EXPR.
4734 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4735 Ulrich Weigand <uweigand@de.ibm.com>
4737 PR target/27006
4738 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4739 to be even.
4741 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4743 PR target/26459
4744 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4745 optimize to lo_sum for DFmode if !TARGET_FPRS.
4747 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4749 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4750 delete_alias_info, compute_flow_sensitive_aliasing,
4751 group_aliases): Use VEC instead of VARRAY.
4752 * tree-ssa-structalias.c (update_alias_info): Likewise.
4753 * tree-ssa-structalias.h (alias_info): Change the type of
4754 processed_ptrs to VEC(tree,heap) *.
4756 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4758 PR target/27060
4759 * config/sh/lib1funcs.h: New file, broken out of:
4760 * config/sh/lib1funcs.asm.
4761 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4762 New macros.
4763 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4764 * config/sh/lib1funcs-Os-4-200.asm: New file.
4765 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4766 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4767 (EXTRA_MULTILIB_PARTS): Include it.
4768 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4769 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4770 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4771 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4772 TARGET_SH2.
4774 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4776 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4777 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4778 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4779 VARRAY.
4780 * tree-ssa-live.h: Include vecprim.h.
4781 (tree_partition_associator_d): Change the type of
4782 first_partition to VEC(int,heap) *.
4783 (tpa_first_partition): Use VEC instead of VARRAY.
4785 * Makefile.in (GTFILES): Move functions.h after tree.h.
4786 * function.c (reset_block_changes, record_block_change,
4787 check_block_change, free_block_changes): Use VEC instead of
4788 VARRAY.
4789 * function.h (function): Change the type of
4790 ib_boundaries_block to VEC(tree,gc) *.
4791 * tree-inline.c (copy_cfg_body): Initialize
4792 ib_boundaries_block to NULL instead of (varray_type) 0.
4794 2006-04-12 Roger Sayle <roger@eyesopen.com>
4796 * expr.c (emit_group_store): Correct operand order in call to
4797 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4798 a SUBREG_BYTE of zero.
4800 2006-04-12 Richard Guenther <rguenther@suse.de>
4802 * profile.c (compute_branch_probabilities): Remove code
4803 encapsulated in !ir_type (), which are remanents of the
4804 removed RTL profiling code.
4805 * rtl-profile.c: Remove.
4807 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4809 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4810 magic NULL_RTX comment.
4811 (function_arg): Store entire fp arg to mem if any part should go
4812 on stack.
4813 (rs6000_arg_partial_bytes): Adjust for above change.
4815 2006-04-11 Roger Sayle <roger@eyesopen.com>
4817 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4818 if it hasn't been initialized by dwarf2out_init.
4820 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4822 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4823 symbolic constants in branch patterns.
4825 2006-04-11 Roger Sayle <roger@eyesopen.com>
4827 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4829 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4831 PR rtl-optimization/27073
4832 * gcse.c (try_replace_reg): Revert last change. Continue to search
4833 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4834 on the former.
4836 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4838 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4839 aggregate types other than record and union types.
4840 (function_arg): Likewise.
4841 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4842 small arrays.
4843 (function_value): In 64-bit mode, return objects that require it
4844 in FP registers.
4846 2006-04-11 Roger Sayle <roger@eyesopen.com>
4848 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4850 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4852 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4854 2006-04-03 Jeff Law <law@redhat.com>
4856 PR/27087
4857 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4858 alias information too.
4860 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4862 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4864 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4866 PR/21391
4867 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4868 (premark_used_types_helper): New.
4869 (premark_used_types): New.
4870 (gen_subprogram_die): Call premark_used_types.
4871 (prune_unused_types_walk): Do not prune perennial dies.
4872 * function.c (used_types_insert): New.
4873 * function.h (struct function): Add used_types_hash field.
4874 (used_types_insert): Add prototype.
4875 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4876 * c-parser.c (c_parser_cast_expression): Save casted types in used
4877 types hash table.
4879 2006-04-11 Mark Mitchell <mark@codesourcery.com>
4881 PR target/26459
4882 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
4883 rs6000_explicit_options.float_gprs.
4885 2006-04-10 Roger Sayle <roger@eyesopen.com>
4887 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4888 from ix86_expand_vector_init_low_nonzero. Take an additional
4889 one_var argument indicating which element is non-zero. Support
4890 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4891 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4892 with one_var instead of ix86_expand_vector_init_low_nonzero.
4894 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4896 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4897 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4898 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4899 build/genextract.o): Depend on vecprim.h.
4900 * cfglayout.c, df-problems.c, function.c, genextract.c,
4901 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4902 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4903 vecprim.h.
4904 * vecprim.h: New.
4906 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4908 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4909 Declare VECs of this type.
4910 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4911 (remove_children): Delete.
4912 (add_dwarf_attr): Use VEC routines.
4913 (add_AT_flag): Update for changes to add_dwarf_attr.
4914 (add_AT_int): Likewise.
4915 (add_AT_unsigned): Likewise.
4916 (add_AT_long_long): Likewise.
4917 (add_AT_vec): Likewise.
4918 (add_AT_string): Likewise.
4919 (add_AT_die_ref): Likewise.
4920 (add_AT_fde_ref): Likewise.
4921 (add_AT_loc): Likewise.
4922 (add_AT_loc_list): Likewise.
4923 (add_AT_addr): Likewise.
4924 (add_AT_lbl_id): Likewise.
4925 (add_AT_lineptr): Likewise.
4926 (add_AT_macptr): Likewise.
4927 (add_AT_offset): Likewise.
4928 (add_AT_range_list): Likewise.
4929 (get_AT): Use VEC_iterate.
4930 (remove_AT): Use VEC_ordered_remove.
4931 (free_die): Fold remove_children into here; have it use VEC_iterate.
4932 (print_die): Use VEC_iterate on attrs.
4933 (reverse_die_lists): Don't reverse attr lists.
4934 (die_checksum): Use VEC_iterate on attrs.
4935 (same_die_p): Likewise.
4936 (output_location_lists): Likewise.
4937 (build_abbrev_table): Likewise.
4938 (size_of_die): Likewise.
4939 (unmark_all_dies): Likewise.
4940 (output_abbrev_section): Likewise.
4941 (output_die): Likewise.
4942 (prune_unused_types_walk_attribs): Likewise.
4944 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4946 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4948 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4950 PR debug/27057
4951 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4953 2006-04-09 Roger Sayle <roger@eyesopen.com>
4955 * expr.c (store_constructor): Don't bother clearing target if
4956 we're about to assign a vector to it using vec_init_optab.
4958 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4960 * tree-ssa-alias.c (lhs_may_store_to): New function.
4961 (recalculate_used_alone): Handle LHS of calls.
4963 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4965 PR target/27034
4966 PR target/26508
4967 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4968 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4969 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4970 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4971 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4972 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4973 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4974 stubs. Add ".align 8" directives before all ".dword" directives.
4975 (GTHREAD_USE_WEAK): Revise comment.
4976 (TARGET_ATTRIBUTE_WEAK): Define.
4977 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4978 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4979 * stublib.c: New file.
4981 PR target/26743
4982 PR target/11254
4983 PR target/10274
4984 * pa.md (cbranch patterns): Revise arguments used in calls to
4985 output_cbranch, output_bb and output_bvd. Add long branch length
4986 attributes.
4987 (fbranch patterns): Handle long branches.
4988 (jump): Revise length check. Revise arguments for output_lbranch call.
4989 Add long branch length attributes.
4990 (decrement_and_branch_until_zero): Add long branch length attributes.
4991 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4992 Likewise. Revise arguments for output_parallel_addb and
4993 output_parallel_movb calls.
4994 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4995 output_parallel_movb and output_parallel_addb): Update prototypes.
4996 * pa.c (output_cbranch): Revise arguments. Correct handling of
4997 nullification in long branches.
4998 (output_lbranch): Add new argument to control extraction of delay
4999 instruction.
5000 (output_bb): Handle long branches.
5001 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5002 output_parallel_addb): Likewise.
5004 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5006 PR rtl-optimization/27073
5007 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5008 not REG_EQUIVs.
5010 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5012 * tree.h (tree_memory_tag): Add old_used_alone.
5013 (SMT_OLD_USED_ALONE): New macro.
5014 * tree-ssa-alias.c (recalculate_used_alone): Stop
5015 marking things for renaming unnecessarily.
5017 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5019 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5020 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5021 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5022 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5023 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5024 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5025 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5026 spelling convensions.
5027 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5028 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5029 typos. Follow spelling conventions.
5031 2006-04-07 DJ Delorie <dj@redhat.com>
5033 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5034 passed on the stack.
5035 (m32c_init_cumulative_args): When a function returns a structure,
5036 always pass the pointer to that return area on the stack.
5037 (m32c_function_arg_advance): Don't increment the parameter number
5038 if we're processing the returned structure pointer.
5039 (pushm_info): Reverse order of registers.
5041 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5043 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5044 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5045 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5046 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5047 build_int_cst_type.
5048 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5049 chrec_fold_multiply): Same.
5050 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5051 force_expr_to_var_cost): Same.
5052 * tree-mudflap.c (mf_xform_derefs_1): Same.
5053 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5055 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5057 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5058 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5059 insn.
5061 2006-04-07 Jan Hubicka <jh@suse.cz>
5063 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5065 2006-04-07 Richard Guenther <rguenther@suse.de>
5067 PR tree-optimization/26135
5068 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5069 loads for store copy-prop.
5070 (copy_prop_visit_stmt): Likewise.
5072 2006-04-05 Robert Millan <robertmh@gnu.org>
5074 * config/i386/linux.h: Add a comment to mark macros that are
5075 being overriden in config/k*bsd-gnu.h.
5076 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5077 DYNAMIC_LINKER.
5078 * config/knetbsd-gnu.h: Ditto.
5080 2006-04-06 Jan Hubicka <jh@suse.cz>
5082 PR profile/20815
5083 PR profile/26399
5084 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5085 after buffer.
5087 2006-04-06 Mike Stump <mrs@apple.com>
5089 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5090 for HAVE_nonlocal_goto to be consistent.
5091 (expand_builtin_nonlocal_goto): Likewise.
5092 (expand_builtin_strcmp): Use #ifdef instead of #if
5093 for HAVE_cmpstrnsi to be consistent.
5095 2006-04-05 DJ Delorie <dj@redhat.com>
5097 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5098 vs m32c.
5100 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5102 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5103 got-relative addressing for anything but SImode.
5105 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5106 even if the calling function doesn't modify them.
5108 2006-04-05 Richard Guenther <rguenther@suse.de>
5110 PR tree-optimization/26919
5111 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5112 to cgraph_estimate_size_after_inlining.
5114 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5116 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5118 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5120 PR tree-optimization/26996
5121 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5122 VECTOR_TYPE variables.
5124 2006-04-05 Richard Guenther <rguenther@suse.de>
5126 PR tree-optimization/26763
5127 * fold-const.c (fold_comparison): Move folding of
5128 PTR + CST CMP PTR + CST ...
5129 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5131 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5133 * doc/install.texi (Prerequisites): Refine some wording on
5134 bootstrapping and ksh.
5135 Move the version numbers of DejaGnu here from the testing section
5136 and fix casing of names.
5137 Fix markup and clarify wording for autogen requirements.
5138 Refer to GCJ instead of just java.
5139 Refer to SVN instead of CVS.
5140 Describe diffutils as useful instead of necessary.
5141 (Downloading the source): Refer to SVN instead of CVS.
5142 Adjust a link to our web site accordingly.
5143 (Configuration): Fix casing of Bison.
5144 (Building): Refer to SVN instead of CVS.
5145 Fix a sentence on the use of Bison and remove duplicate (and
5146 incorrect) version number of Bison requirement.
5147 Remove one redundant list of packages needed for building.
5148 (Specific): Avoid reference to CVS.
5150 2006-04-04 Eric Christopher <echristo@apple.com>
5152 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5153 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5154 (rs6000_handle_struct_attribute): New.
5155 (rs6000_ms_bitfield_layout_p): Ditto.
5157 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5159 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5160 NULL for dso parameter to atexit_common.
5162 2006-04-04 Eric Christopher <echristo@apple.com>
5164 * config/i386/i386.c (machopic_output_stub): Output \t
5165 between instructions and operands.
5167 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5169 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5170 satisfies_constraint_[IL] to explicit tests on value.
5172 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5174 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5175 set_nb_iterations_in_loop): Use build_int_cst instead of
5176 build_int_cst_type.
5177 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5178 build_int_cst instead of convert.
5180 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5182 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5183 new value 2 for incoming.
5184 * function.c (expand_function_start): Call struct_value_rtx
5185 with incoming as 2.
5186 * config/sparc/sparc.md: Comment updated_return.
5187 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5188 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5189 struct return if sparc_std_struct_return and incoming is 2.
5190 (print_operand): Do not adjust return if
5191 sparc_std_struct_return.
5193 2006-04-04 Roger Sayle <roger@eyesopen.com>
5195 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5196 convert in the middle-end.
5197 * expr.c (store_expr, store_constructor, get_inner_reference,
5198 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5199 Likewise.
5200 * tree.c (build_range_type): Likewise.
5202 2006-04-04 Tom Tromey <tromey@redhat.com>
5204 * doc/install.texi (Prerequisites): Mention jar.
5206 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5208 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5209 subsection.
5211 2006-04-04 Matthias Klose <doko@debian.org>
5213 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5214 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5215 strings.
5217 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5219 * doc/extend.texi (Function Attributes): Rewrite visibility
5220 attribute documentation.
5221 * doc/invoke.texi (C++ Dialect Options): Rewrite
5222 -fvisibility-inlines-hidden documentation to describe something
5223 entirely different, although in practise compatible.
5224 (Code Gen Options): Warn about system headers in -fvisibility=
5225 documentation.
5227 * doc/extend.texi (Other Builtins): Document that
5228 __builtin_nan is a compile-time constant only when its argument
5229 is valid.
5231 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5233 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5234 trying to remove TRUNCATE check if all bits outside the new mode
5235 are identical to the sign bit.
5237 2006-04-03 Jeff Law <law@redhat.com>
5239 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5240 and operand scanning in some common cases.
5242 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5243 Dale Johannesen <dalej@apple.com>
5245 PR target/19653
5246 * regclass.c (struct reg_pref): Update documentation.
5247 (regclass): Set prefclass to NO_REGS if memory is the best option.
5248 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5249 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5250 into account. For non-registers, equate an empty preferred
5251 reload class to a `!' in the constraint; move the if clause to
5252 do so after those that reject the insn.
5253 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5254 return NO_REGS.
5255 (find_dummy_reload): Likewise.
5256 * doc/tm.texi (Register Classes): Document what it means
5257 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5258 * config/i386/i386.c (ix86_preferred_reload_class): Force
5259 using SSE registers (and return NO_REGS for floating-point
5260 constants) if math is done with SSE.
5261 (ix86_preferred_output_reload_class): New.
5262 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5263 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5264 * config/i386/i386.md: Remove # register preferences.
5266 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5268 PR bootstrap/26992
5269 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5270 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5271 the type of nb_iter.
5272 (instantiate_parameters_1): Convert the operands before calling
5273 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5274 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5276 2006-04-02 Roger Sayle <roger@eyesopen.com>
5278 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5279 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5280 instead of convert.
5281 * dojump.c (do_jump): Likewise.
5282 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5283 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5284 gimplify_boolean_expr): Likewise.
5285 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5286 * varasm.c (array_size_for_constructor): Likewise.
5287 * tree-object-size.c (compute_object_offset): Likewise.
5289 2006-04-02 Roger Sayle <roger@eyesopen.com>
5291 PR middle-end/26977
5292 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5293 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5295 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5297 PR tree-optimization/26939
5298 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5300 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5302 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5303 at_stmt. Convert the type of operands before calling
5304 build_polynomial_chrec.
5305 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5306 add_to_evolution_1.
5307 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5308 (instantiate_parameters_1): Convert the type of operands before calling
5309 build_polynomial_chrec.
5310 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5311 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5312 reset_evolution_in_loop): Insert asserts to check the types of the
5313 operands.
5314 (chrec_type): Moved...
5315 (eq_evolutions_p): Use operand_equal_p.
5316 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5317 the types of the operands.
5318 (chrec_type): ...here.
5319 * tree-data-ref.c (create_data_ref): Convert the operands before
5320 calling chrec_replace_initial_condition.
5321 (same_access_functions, analyze_subscript_affine_affine,
5322 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5323 (compute_subscript_distance, analyze_ziv_subscript,
5324 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5325 analyze_miv_subscript): Convert the operands before calling
5326 chrec_fold_minus or chrec_fold_plus.
5328 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5330 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5331 the dependence_relations vector.
5332 (compute_data_dependences_for_loop): Adjust call to
5333 compute_all_dependences.
5335 2006-04-01 Roger Sayle <roger@eyesopen.com>
5336 Richard Henderson <rth@redhat.com>
5338 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5339 gimple_boolify on the condition before calling gimplify_expr.
5341 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5343 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5344 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5345 the frame size. Update to use the new macros.
5346 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5347 * config/xtensa/ieee754-df.S: Likewise.
5349 2006-03-31 Richard Henderson <rth@redhat.com>
5351 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5352 (make_edges): ... here. Control fallthru creation with a local
5353 variable. Do not play with fake edges.
5354 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5355 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5356 a boolean.
5358 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5360 * dwarf2.h (DW64_CIE_ID): Define.
5361 * dwarf2out.c (DWARF_CIE_ID): Define.
5362 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5363 length header. Use DWARF_CIE_ID.
5364 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5365 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5367 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5369 * config/sh/linux-atomic.asm: New file.
5370 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5372 2006-03-31 DJ Delorie <dj@redhat.com>
5374 * config/m32c/cond.md: Set condition flags properly throughout.
5375 * config/m32c/minmax.md: Likewise.
5376 * config/m32c/prologue.md: Likewise.
5377 * config/m32c/bitops.md: Likewise.
5378 * config/m32c/muldiv.md: Likewise.
5379 * config/m32c/mov.md: Likewise.
5380 * config/m32c/addsub.md: Likewise.
5381 * config/m32c/m32c.md: Likewise.
5382 * config/m32c/jump.md: Likewise.
5383 * config/m32c/shift.md: Likewise.
5385 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5386 conditionally output the pattern for this.
5387 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5388 (m32c_compare_redundant): New.
5389 (m32c_output_compare): New.
5390 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5392 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5393 dest, not src. Allow other 4-byte modes.
5395 2006-03-30 Denis Chertykov <denisc@overta.ru>
5397 * doc/md.texi: Refer to avr/constraints.md instead of
5398 avr/avr.h.
5400 2006-03-30 Roger Sayle <roger@eyesopen.com>
5402 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5403 signed vs. unsigned comparison failures on some hosts.
5405 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5407 PR target/26459
5408 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5409 change to FLOAT_REGS.
5411 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5412 (rs6000_override_options): Use it.
5413 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5414 only for -mabi=spe/no-spe and -mabi=altivec.
5416 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5418 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5419 !Zdynamiclib.
5421 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5423 * Makefile.in: Rename docdir to gcc_docdir.
5425 2006-03-30 Roger Sayle <roger@eyesopen.com>
5427 PR target/17959
5428 * expr.c (emit_group_store): Optimize group stores into a pseudo
5429 register by using a paradoxical subreg to initialize the destination
5430 if the first or last member of the group specifies a "low part".
5432 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5434 PR target/26734
5435 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5436 * target.h (struct gcc_target.speculate_insn): Change type of the
5437 second parameter to 'int'.
5438 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5439 the second operand of the DEPS_LIST.
5440 (copy_DEPS_LIST_list): Update reference to the second operand of the
5441 DEPS_LIST.
5442 * rtl.h (alloc_DEPS_LIST): Update signature.
5443 * sched-int.h (ds_t): Change typedef to 'int'.
5444 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5446 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5448 * haifa-sched.c (try_ready): Change condition to restore
5449 non-speculative pattern of the instruction.
5450 (process_insn_depend_be_in_spec): Code to keep probability of the
5451 speculative dependence non-decreasing.
5453 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5455 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5456 (single_move_for_movmem): ... this. Also change all uses.
5457 (bfin_expand_strmov): Renamed to...
5458 (bfin_expand_movmem): ... this. Also change all uses.
5459 * config/bfin/bfin.md (movstrsi): Renamed to...
5460 (movstrsi): ...this.
5462 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5464 PR tree-optimization/26830
5466 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5467 (copy_prop_visit_stmt): Remove write-only variable ann.
5468 (init_copy_prop): Check variable loop depth here. Do not simulate
5469 memory-tag and virtual operand PHIs except for store copy prop.
5471 2006-03-30 Richard Guenther <rguenther@suse.de>
5473 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5474 variants with double arguments.
5476 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5478 * genpreds.c (write_tm_constrs_h): Delete variable p.
5479 * genconditions.c (write_header): Add tm-constrs.h to included
5480 headers.
5481 * genpeep.c (main): Add toplev.h to included headers.
5482 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5483 (build/genpeep.o): Add toplev.h dependency.
5484 * config/rs6000/constraints.md: Add "W" constraint.
5486 2006-03-29 Roger Sayle <roger@eyesopen.com>
5488 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5489 sizes by correctly testing whether the size fits a host integer.
5490 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5491 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5492 SImode range for the default sizetype and bitsizetype.
5494 2006-03-29 Roger Sayle <roger@eyesopen.com>
5496 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5497 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5498 quickly if the argument is already of the correct type.
5499 Call fold_build1 instead of build1. Tidy up blank lines.
5501 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5503 * genemit.c (main): Add tm-constrs.h to included headers.
5504 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5505 * genpeep.c (main): Add tm-constrs.h to included headers.
5506 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5507 (write_tm_constrs_h): this and write complete file.
5508 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5509 (write_insn_preds_c): Add tm-constrs.h to included headers.
5510 (gen_constrs): New variable.
5511 (parse_option): Parse "-c".
5512 (main): Invoke write_tm_constrs_h.
5513 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5514 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5515 (object_out_file): Add tm-constrs.h dependency.
5516 (insn-emit.o): Same.
5517 (insn-output.o): Same.
5518 (insn-peep.o): Same.
5519 (insn-preds.o): Same.
5520 (insn-recog.o): Same.
5521 (tm-constsr.h): New target.
5522 (s-constrs-h): New target.
5524 * config/rs6000/constraints.md: New file.
5525 * config/rs6000/rs6000.c: Include tm-constrs.h.
5526 (num_insn_constant_wide): Convert to satisfies_constraint.
5527 (rs6000_rtx_costs): Convert to satisfies_constraint.
5528 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5529 (CONST_OK_FOR_LETTER_P): Delete.
5530 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5531 (EXTRA_CONSTRAINT): Delete.
5532 (EXTRA_MEMORY_CONSTRAINT): Delete.
5533 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5534 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5535 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5536 satisfies_constraint.
5538 * config/i386/i386.c: Include tm-constrs.h.
5540 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5542 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5543 * tree-data-ref.c (find_data_references_in_loop,
5544 compute_data_dependences_for_loop): Use pointers to VEC.
5545 (analyze_all_data_dependences): Adjust calls.
5546 * tree-data-ref.h (find_data_references_in_loop,
5547 compute_data_dependences_for_loop): Adjust declarations.
5548 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5549 compute_data_dependences_for_loop.
5551 2006-03-29 Paul Brook <paul@codesourcery.com>
5553 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5554 (movdf_vfp): Ditto.
5556 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5558 PR tree-optimization/26859
5559 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5560 division by zero.
5561 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5562 for the step after fold_convert.
5564 2006-03-29 Paul Brook <paul@codesourcery.com>
5566 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5567 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5569 2006-03-29 Paul Brook <paul@codesourcery.com>
5571 PR middle-end/23623
5572 * targhooks.c (default_narrow_bitfield): New fuction.
5573 * targhooks.h (default_narrow_bitfield): add prototype.
5574 * target.h (gcc_target): Add narrow_volatile_bitfield.
5575 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5576 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5577 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5578 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5580 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5582 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5583 tmake_file.
5584 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5585 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5586 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5587 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5588 (s390_function_arg_float): Allow SDmode and DDmode values to be
5589 passed in floating point registers.
5590 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5591 check with SCALAR_FLOAT_MODE_P.
5592 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5594 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5596 PR tree-optimization/25985
5597 * tree-ssa-loop-niter.c (number_of_iterations_le,
5598 number_of_iterations_ne): Make comments more precise.
5599 (number_of_iterations_cond): Add only_exit argument. Use the
5600 fact that signed variables do not overflow only when only_exit
5601 is true.
5602 (loop_only_exit_p): New.
5603 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5604 number_of_iterations_cond.
5606 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5608 PR tree-optimization/26643
5609 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5610 bit_field_refs.
5612 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5614 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5615 (divsi3_i4_int): Likewise.
5617 2006-03-28 Roger Sayle <roger@eyesopen.com>
5619 * expr.c (emit_group_store): Only create a new pseudo reg if the
5620 quantity it needs to hold isn't already a suitable pseudo.
5622 2006-03-28 Jeff Law <law@redhat.com>
5624 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5625 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5627 2006-03-28 Roger Sayle <roger@eyesopen.com>
5629 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5630 the equivalent ~X & Y, and the symmetry related transformations.
5631 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5632 ~X & Y, and symmetry related transforms.
5634 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5636 Revert my 2006-03-27 patches.
5638 2006-03-28 Roger Sayle <roger@eyesopen.com>
5640 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5641 ~(T1)X, when T1 and T2 are integer types of the same precision
5642 and (T2)X isn't an extension.
5644 2006-03-28 Jeff Law <law@redhat.com>
5646 PR tree-optimization/26796
5647 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5648 need EH edge cleanups rather than purging them immediately.
5649 (eliminate_degenerate_phis): Handle queued EH cleanups.
5651 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5653 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5654 from parent_var.
5656 2006-03-27 Roger Sayle <roger@eyesopen.com>
5658 PR middle-end/22524
5659 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5660 cast BIT_NOT_EXPR operand to the correct type.
5662 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5664 * tree-loop-linear.c: Don't include varray.h.
5665 (gather_interchange_stats, try_interchange_loops,
5666 linear_transform_loops): Use VEC instead of VARRAY.
5667 * lambda-mat.c: Don't include varray.h.
5668 * tree-chrec.c: Same.
5669 * lambda-trans.c: Same.
5670 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5671 VEC instead of VARRAY.
5672 * tree-vectorizer.h: Idem.
5673 * tree-data-ref.c (dump_data_references,
5674 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5675 initialize_data_dependence_relation, finalize_ddr_dependent,
5676 compute_all_dependences, find_data_references_in_loop,
5677 compute_data_dependences_for_loop, analyze_all_data_dependences,
5678 free_dependence_relation, free_dependence_relations,
5679 free_data_refs): Idem.
5680 * tree-data-ref.h (data_reference_p, subscript_p): New.
5681 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5682 VEC instead of VARRAY.
5683 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5684 (find_data_references_in_loop, compute_data_dependences_for_loop,
5685 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5686 dump_data_dependence_relations, free_dependence_relations,
5687 free_data_refs): Adjust declaration.
5688 (lambda_transform_legal_p): Move declaration here...
5689 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5690 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5691 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5692 vect_analyze_data_refs): Use VEC instead of VARRAY.
5693 * lambda.h (lambda_transform_legal_p): ...from here.
5694 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5695 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5696 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5697 tree-chrec.o): Don't depend on VARRAY_H.
5699 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5701 * rtl.def (Copyright): Update date.
5702 (DEPS_LIST): Change type of the second operand to 'int'.
5703 * target.h (Copyright): Update date.
5704 (struct gcc_target.speculate_insn): Change type of the second parameter
5705 to 'int'.
5706 * lists.c (Copyright): Update date.
5707 (alloc_DEPS_LIST): Change signature. Update reference to the second
5708 operand of the DEPS_LIST.
5709 (copy_DEPS_LIST_list): Update reference to the second operand of the
5710 DEPS_LIST.
5711 * rtl.h (Copyright): Update date.
5712 (alloc_DEPS_LIST): Update signature.
5713 * sched-int.h (Copyright): Update date.
5714 (ds_t): Change typedef to 'int'.
5715 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5717 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5719 * haifa-sched.c (Copyright): Update date.
5720 (try_ready): Change condition to restore non-speculative pattern
5721 of the instruction.
5722 (process_insn_depend_be_in_spec): Code to keep probability of the
5723 speculative dependence non-decreasing.
5725 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5727 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5728 shut up the compiler.
5730 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5732 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5733 to use lib prefix for target.
5734 ($(T)libic_invalidate_array_4-200.a): Likewise.
5735 ($(T)libic_invalidate_array_4a.a): Likewise.
5737 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5738 J"orn Rennecke <joern.rennecke@st.com>
5740 * superh.opt: New file.
5741 * sh.c (boardtype, osruntime): Remove.
5742 * superh.h (SUBTARGET_OPTIONS): Remove.
5743 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5745 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5746 arguments with ^ and/or [].
5748 * config.gcc (sh-*-*): Add quoting to account for quirk of
5749 Solaris /bin/sh.
5750 Replace == with = in enable_incomplete_targets test.
5752 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5753 with MASK_LITTLE_ENDIAN.
5755 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5756 * config/sh/sh.opt: Added to some comments.
5757 * config/sh/superh.h: Removed some chaff.
5759 * config/sh/sh.opt: Add m4-[1234]00* options.
5760 * config/sh/sh.c (sh_handle_option): Likewise.
5761 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5762 (ic_invalidate_array_4-100.o): New rule.
5763 ($(T)libic_invalidate_array_4-100.a): Likewise.
5764 (ic_invalidate_array_4-200.o): Likewise.
5765 ($(T)libic_invalidate_array_4-200.a): Likewise.
5766 (ic_invalidate_array_4a.o): Likewise.
5767 ($(T)libic_invalidate_array_4a.a): Likewise.
5768 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5769 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5770 m4-200*, and m4a*.
5771 * config/sh/crt1.asm: Merged in profiling code.
5772 * config/sh/superh.h (STARTFILE_SPEC): Override.
5773 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5774 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5775 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5777 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5778 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5779 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5781 * sh.opt (mpretend-cmove): New option.
5782 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5783 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5784 (movsicc): Add TARGET_PRETEND_CMOVE code.
5786 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5788 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5789 s390_class_max_nregs): New function prototypes.
5790 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5791 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5792 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5793 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5795 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5797 * dwarf2out.c (add_location_or_const_value_attribute): Call
5798 tree_add_const_value_attribute if nothing else works.
5799 (reference_to_unused): New.
5800 (rtl_for_decl_init): Use reference_to_unused to decide whether
5801 to output an initializer.
5803 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5805 PR target/26459
5806 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5807 peephole removing spe frob_di_df_2.
5809 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5811 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5812 (subscript_dependence_tester_1): Declared.
5813 (print_dir_vectors, print_dist_vectors): New.
5814 (debug_data_dependence_relation): New.
5815 (dump_data_dependence_relation): Print more details.
5816 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5817 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5818 (save_dist_v, save_dir_v, add_outer_distances,
5819 build_classic_dist_vector_1): New.
5820 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5821 Don't test for lambda_vector_lexico_pos.
5822 (same_access_functions, add_multivariate_self_dist,
5823 add_other_self_distances, dir_from_dist): New.
5824 (build_classic_dir_vector): Replace implementation almost identical to
5825 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5826 dir_from_dist.
5827 (subscript_dependence_tester_1): New.
5828 (subscript_dependence_tester): Handle the lexicographically negative
5829 distance vectors by recomputing the dependence relation.
5830 (compute_affine_dependence): Remove parameter loop_nest_depth.
5831 (compute_self_dependence): Don't call compute_subscript_distance.
5832 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5833 Add a parameter for the loop_nest.
5834 (find_loop_nest_1, find_loop_nest): New.
5835 (compute_data_dependences_for_loop): Compute the loop nest, and give
5836 up if the nest is not well formed.
5837 * tree-data-ref.h (loop_p): New.
5838 (struct data_dependence_relation): Replace size_vect field with
5839 loop_nest, a vec of loops.
5840 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5841 (DDR_LOOP_NEST): New.
5842 (print_dir_vectors, print_dist_vectors,
5843 debug_data_dependence_relation): Declared.
5844 (index_in_loop_nest): New.
5845 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5846 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5847 distance.
5849 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5851 * simplify-rtx.c (simplify_relational_operation): Call
5852 simplify_relational_operation_1 even if mode is VOIDmode.
5854 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5856 PR tree-optimization/26804
5857 * tree.h (DECL_CALL_CLOBBERED): New macro.
5858 (tree_decl_common): Add call_clobbered_flag.
5859 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5860 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5861 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5862 (mark_non_addressable): Ditto.
5863 * tree-ssa.c (verify_call_clobbered): New function.
5864 (verify_alias_info): Use it.
5865 * tree-pass.h (pass_reset_cc_flags): New prototype.
5866 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5867 (reset_cc_flags): New function.
5868 * passes.c (init_optimization_passes): Call reset_cc_flags after
5869 initializing referenced_vars.
5871 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5872 Roger Sayle <roger@eyesopen.com>
5874 PR middle-end/26717
5875 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5876 to 1.0 for non-real operands. Implement A / A optimization for
5877 complex operands.
5879 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
5881 * config/i386/i386.c (size_cost): Correct the comment for
5882 cost of storing fp registers.
5883 (i386_cost): Likewise.
5884 (i486_cost): Likewise.
5885 (pentium_cost): Likewise.
5886 (pentiumpro_cost): Likewise.
5887 (k6_cost): Likewise.
5888 (athlon_cost): Likewise.
5889 (k8_cost): Likewise.
5890 (pentium4_cost): Likewise.
5891 (nocona_cost): Likewise.
5892 (generic64_cost): Likewise.
5893 (generic32_cost): Likewise.
5895 2006-03-24 Denis Chertykov <denisc@overta.ru>
5897 * config/avr/avr-protos.h (extra_constraint): Delete.
5898 (extra_constraint_Q): New declaration.
5899 * config/avr/constraints.md: New file.
5900 * config/avr/avr.md: Include it.
5901 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5902 (TMP_REGNO, ZERO_REGNO): Likewise.
5903 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5904 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5905 (extra_constraint): Delete.
5906 (extra_constraint_Q): Test for memory constraint 'Q'.
5907 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5908 (REG_CLASS_FROM_LETTER): Delete.
5909 (CONST_OK_FOR_LETTER_P): Delete.
5910 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5911 (EXTRA_CONSTRAINT): Delete.
5912 (TMP_REGNO): Delete.
5913 (ZERO_REGNO): Delete.
5915 2006-03-24 Jeff Law <law@redhat.com>
5917 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5918 directly. Call mark_new_vars_to_rename slightly earlier.
5920 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5922 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5923 (is_cxx): Likewise.
5924 (gen_compile_unit_die): Use new language types for Objective-C and
5925 Objective-C++.
5926 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5927 DW_LANG_C_plus_plus.
5929 PR 26793
5930 * config/t-darwin (crt3.o): Work around bug 26840.
5931 * config/darwin-crt3.c: Rewrite.
5932 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5934 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5936 * doc/invoke.texi: Document -femit-class-debug-always
5937 * common.opt: Add -femit-class-debug-always.
5939 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5941 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5942 index and base register.
5943 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5944 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5945 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5946 REGNO_OK_FOR_INDEX_P.
5947 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5948 ADDR_REGNO_P.
5949 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5950 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5951 REG_OK_FOR_BASE_P): Definitions removed.
5953 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5955 PR middle-end/26611
5956 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5957 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5958 set yet or weren't marked as local yet.
5960 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5962 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5963 the compiler.
5965 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5967 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5968 (rs6000_legitimate_small_data_p): Delete.
5969 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5970 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5971 and make static. Add forward declaration. Update uses.
5972 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5973 of offsettable_memref_p.
5974 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5975 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5977 2006-03-24 Jeff Law <law@redhat.com>
5979 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5980 around bug in immediate-use iterator.
5982 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5984 PR target/26607
5985 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5986 or __LITTLE_ENDIAN__.
5988 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5990 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5991 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5992 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5993 * config/sh/sh.opt (mdiv=): Amend description.
5994 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5995 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5996 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5997 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5998 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5999 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6000 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6001 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6002 TARGET_DIVIDE_CALL_FP.
6004 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6006 * haifa-sched.c (choose_ready): Fix type of the local variable.
6007 Move local variables. Add comment.
6008 (check_reg_live): Change signature. Make callable from debugger.
6009 * sched-int.h (check_reg_live): Update signature.
6010 * sched-ebb.c (check_reg_live): Update parameters.
6011 * sched-rgn.c (check_reg_live): Ditto.
6012 (region_head_or_leaf_p): Check pointer before dereferencing.
6013 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6014 before reload on optimization levels below 1.
6016 2006-03-23 Richard Henderson <rth@redhat.com>
6018 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6019 tls symbols.
6021 PR target/26347
6022 * config/alpha/predicates.md (local_symbolic_operand): Reject
6023 weak symbols.
6025 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6027 PR tree-opt/26795
6028 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6029 expressions which have overflowed constants.
6031 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6033 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6035 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6037 * cfgloopmanip.c (create_loop_notes): Removed.
6038 * final.c (final_scan_insn): Do not handle loop notes.
6039 * jump.c (squeeze_notes): Ditto.
6040 * cfglayout.c (skip_insns_after_block,
6041 duplicate_insn_chain): Ditto.
6042 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6043 create_loop_notes.
6044 * cfgloop.h (create_loop_notes): Declaration removed.
6046 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6048 * varasm.c (output_constant_pool): Restore fnname and fndecl
6049 arguments.
6050 (assemble_start_function): Adjust call accordingly.
6051 (assemble_end_function): Likewise.
6053 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6055 PR mudflap/26789
6056 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6058 PR mudflap/26790
6059 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6061 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6063 PR driver/22600
6064 * system.h (ICE_EXIT_CODE): New macro.
6065 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6066 (diagnostic_action_after_output): Likewise.
6067 * gcc.c (fatal_ice): New function.
6068 (execute): Use it instead of fatal.
6069 (fancy_abort): Likewise.
6070 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6072 2006-03-22 Jeff Law <law@redhat.com>
6074 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6075 iv_analyze_result returning false.
6077 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6079 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6081 2006-03-22 Richard Henderson <rth@redhat.com>
6083 PR middle-end/26084
6084 * except.c (duplicate_eh_regions_0): New.
6085 (duplicate_eh_region_1): Duplicate the children of the node as
6086 well as the node itself. Link them up properly.
6087 (duplicate_eh_region_2): Merge into ...
6088 (duplicate_eh_regions): ... here. Take copy_region argument, and
6089 copy only a sub-tree if asked. Simplify copying and fixup.
6090 (eh_region_outer_p): New.
6091 * except.h (duplicate_eh_regions): Update decl.
6092 (eh_region_outer_p): Declare.
6093 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6094 (lower_omp_master): Likewise.
6095 (lower_omp_ordered): Likewise.
6096 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6097 (move_stmt_r): Use it to remap labels. Handle recursion vs
6098 remap_decls_p properly.
6099 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6100 (find_outermost_region_in_block): New.
6101 (new_label_mapper): New.
6102 (move_sese_region_to_fn): Copy eh information to the new function
6103 properly.
6104 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6105 argument.
6106 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6107 number.
6109 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6111 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6112 into shared libraries.
6114 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6116 * doc/md.texi: Refer to i386/constraints.md instead of
6117 i386/predicates.md.
6118 * config/i386/constraints.md: New file, extracted from...
6119 * config/i386/predicates.md: ...here.
6120 * config/i386/i386.md: Include constraints.md.
6122 2006-03-21 Jason Merrill <jason@redhat.com>
6124 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6126 PR middle-end/20297
6127 * expr.c (init_block_move_fn): Force default visibility.
6128 (init_block_clear_fn): Likewise.
6129 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6130 * targhooks.c (default_external_stack_protect_fail): Likewise.
6132 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6134 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6135 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6136 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6137 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6138 (loadgp): Use mips_current_loadgp_style.
6139 (loadgp_noshared): New pattern.
6140 (sibcall_internal): Use MIPS_CALL.
6141 (sibcall_value_internal): Likewise.
6142 (sibcall_value_multiple_internal): Likewise.
6143 (call_internal): Likewise.
6144 (call_value_internal): Likewise.
6145 (call_value_multiple_internal): Likewise.
6146 (call_split): Use MIPS_CALL and add an 'S' constraint.
6147 (call_value_split): Likewise.
6148 (call_value_multiple_split): Likewise.
6149 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6150 (-mshared): New option.
6151 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6152 (mips_current_loadgp_style): Declare.
6153 * config/mips/mips.c (mips_classify_symbol): Avoid using
6154 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6155 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6156 TARGET_ABSOLUTE_ABICALLS.
6157 (override_options): Adjust comments. Improve the warning that is
6158 issued when -mabicalls and -G are used together.
6159 (mips_file_start): Remove comment.
6160 (mips_current_loadgp_style): New function.
6161 (mips_gnu_local_gp): New variable.
6162 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6163 LOADGP_ABSOLUTE.
6164 (mips_output_function_prologue): Use mips_current_laodgp_style.
6165 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6166 the cprestore instruction.
6167 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6168 live for TARGET_ABSOLUTE_ABICALLS.
6169 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6170 (ASM_SPEC): Pass down -mshared and -mno-shared.
6171 (MIPS_CALL): New macro.
6172 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6173 definition.
6174 * doc/invoke.texi (-mabicalls): Update documentation.
6175 (-mshared): Document.
6177 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6179 * config/ia64/unwind-hpux.c: New file.
6180 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6182 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6184 PR libgomp/26384
6185 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6187 2006-03-21 Jeff Law <law@redhat.com>
6189 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6190 type conversions of a VR_VARYING source to a wider type.
6192 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6194 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6195 tm_file on Solaris 10 and later.
6196 (sparc64-*-solaris2*): Likewise.
6197 (sparc-*-solaris2*): Likewise.
6198 * config/sol26.h: Rename to config/sol2-6.h.
6199 * config/sol2-10.h: New file.
6201 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6203 PR tree-opt/26781
6204 * tree-ssa-pre.c (create_component_ref_by_pieces):
6205 Handle STRING_CST.
6207 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6209 PR c++/26690
6210 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6211 return it immediately.
6213 2006-03-21 Michael Matz <matz@suse.de>
6215 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6216 New members.
6217 (remove_arc, add_arc): Update num_out_arcs member.
6218 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6219 of out arcs.
6220 (cache_presence): New function.
6221 (compare_states_for_equiv): New function.
6222 (state_is_differed): Don't take number of outargs, adjust callers.
6223 Use new invariant for speeding up.
6224 (init_equiv_class): Create initial classes based on sorted
6225 input.
6226 (partition_equiv_class): Don't track out_arcs_num.
6227 (evaluate_equiv_classes): Call cache_presence on all states and
6228 sort them.
6230 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6232 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6233 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6234 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6235 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6236 callers changed.
6237 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6238 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6239 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6240 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6241 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6242 macros.
6243 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6244 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6245 (REGNO_REG_CLASS): ARGP is in PREGS.
6246 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6247 IREGS.
6248 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6249 to deal with those addresses.
6250 * addresses.h: New file.
6251 * caller-save.c: Include "addresses.h".
6252 (init_caller_save): Use new base_reg_class function.
6253 * rtl-factoring.c: Include "addresses.h".
6254 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6255 * recog.c: Include "addresses.h".
6256 (preprocess_constraints): Use new base_reg_class function.
6257 * regrename.c: Include "addresses.h".
6258 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6259 functions. Keep track of a new var INDEX_CODE to compute valid
6260 classes.
6261 (replace_oldest_value_addr): Likewise.
6262 (replace_oldest_value_mem): Use base_reg_class.
6263 * reload.c: Include "addresses.h".
6264 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6265 (find_reloads): Use new base_reg_class function.
6266 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6267 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6268 all callers and prototype changed.
6269 * reload1.c: Include "addresses.h".
6270 (maybe_fix_stack_asms): Use base_reg_class.
6271 * regclass.c: Include "addresses.h".
6272 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6273 (init_reg_autoinc): Use new base_reg_class function.
6274 (record_reg_classes): Likewise.
6275 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6276 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6277 Use new args to compute necessary class.
6279 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6280 regrename.o, rtl-factoring.o): Update dependencies.
6281 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6282 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6283 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6284 REG_OK_FOR_INDEX_P): Delete documentation.
6286 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6288 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6289 from V7 to V9 for Solaris 7 and above.
6291 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6293 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6294 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6295 argument pointers may not alias any other storage.
6296 * common.opt: Define option -fargument-noalias-anything.
6297 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6298 alias semantics is specified by flag_argument_noalias > 2.
6300 2006-03-20 Jeff Law <law@redhat.com>
6302 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6303 (pass_phi_only_cprop): Declare.
6304 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6305 with phi_only_cprop
6306 * tree-ssa-dom.c (degenerate_phi_result): New function.
6307 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6308 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6309 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6310 (eliminate_degenerate_phis): Likewise.
6311 (pass_phi_only_cprop): New pass descriptor.
6312 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6313 support code. Callers updated.
6314 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6315 (store_copy_prop): Likewise.
6316 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6318 2006-03-20 Jason Merrill <jason@redhat.com>
6320 PR c++/21764
6321 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6322 (push_visibility, pop_visibility): Likewise.
6323 * c-pragma.h: Declare them.
6325 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6327 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6329 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6330 parameter and use get_ebb_head_tail.
6331 (sh_md_init_global): Adjust uses of find_regmode_weight.
6333 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6335 * function.h (struct function) <x_tail_recursion_reentry>:
6336 Rename to x_stack_check_probe_note.
6337 (tail_recursion_reentry): Rename to stack_check_probe_note.
6338 * function.c: Replace tail_recursion_reentry with
6339 stack_check_probe_note everywhere.
6340 (expand_function_start): Only emit a note for
6341 stack_check_probe_note with -fstack-protect.
6342 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6344 * emit-rtl.c (remove_unnecessary_notes): Remove.
6345 (pass_remove_unnecessary_notes): Remove.
6346 * rtl.h (remove_unnecessary_notes): Remove prototype.
6347 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6348 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6349 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6351 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6353 PR tree-opt/26629
6354 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6355 (valid_in_set): Handle ARRAY_REF.
6356 Change "if min_variant or VH" to asserts.
6357 (create_component_ref_by_pieces): Handle ARRAY_REF.
6358 (create_expression_by_pieces): Likewise.
6359 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6361 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6363 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6364 is operand of switch, not str[0].
6366 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6368 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6369 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6371 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6373 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6374 end of insn_extra_address_constraint declaration.
6376 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6378 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6379 (no-sum-in-toc): Same.
6380 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6381 variables.
6382 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6383 NO_FP_IN_TOC for -fPIC instead of mask.
6385 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6386 (BOOT_LDFLAGS): Delete.
6387 (LDFLAGS): Delete.
6388 * config/rs6000/t-aix52: Same.
6390 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6391 (stmsi[345678]_power): New.
6393 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6395 * config/ia64/ia64.opt: Add empty line to end of file.
6397 2006-03-17 Richard Guenther <rguenther@suse.de>
6399 PR middle-end/26721
6400 * builtins.c (get_pointer_alignment): For component style references
6401 adjust alignment to the component type alignment. Make sure
6402 to adjust alignment for component access of constants.
6404 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6406 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6407 unconditional jump.
6409 2006-03-17 Paul Brook <paul@codesourcery.com>
6411 * doc/install.texi: Docuemnt --with-mode.
6412 * config.gcc: Add --with-mode for arm*-*-*.
6413 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6415 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6417 * sh.c (max_labelno_before_reorg): New variable.
6418 (sh_reorg): Initialize it.
6419 (find_barrier): Check max_labelno_before_reorg before using
6420 label_to_alignment. Take length of explicit alignment insns
6421 into account. When seeing a UNSPECV_CONST_END, return it.
6423 * sh.c (fixup_mova): Set mode of affected label to QImode.
6424 (untangle_mova): New function.
6425 (find_barrier): Use it. Check mode of label before decrementing
6426 num_mova.
6427 (sh_reorg): Likewise.
6428 Set mode of all insns back to VOIDmode.
6430 * sh.c (MOVA_LABELREF): New macro.
6431 (mova_p, fixup_mova, sh_reorg): Use it.
6432 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6433 ADDR_DIFF_VEC matches mova.
6435 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6437 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6438 with ATTRIBUTE_UNUSED.
6440 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6442 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6443 pointer, instead of assuming it is possible to derive the
6444 correct args size from a call insn.
6446 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6448 * rtl.h (CONST_INT_P): Define.
6449 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6450 instead of GET_CODE(x) == CONST_INT.
6451 (vax_rtx_costs): Likewise.
6452 (vax_output_int_move): Likewise.
6453 (vax_output_int_add): Likewise.
6454 (legitimate_constant_address_p): Likewise.
6455 (index_term_p): Likewise.
6456 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6457 * config/vax/vax.md (and<mode>3): Likewise.
6458 (ashrsi3): Likewise.
6459 (extv): Likewise.
6460 (movstricthi): Likewise.
6461 (movstrictqi): Likewise.
6462 (rotrsi3): Likewise.
6463 (five unnamed insns): Likewise.
6465 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6467 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6468 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6469 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6470 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6471 Pass to ASM_OUTPUT_DWARF_OFFSET.
6472 * dwarf2out.c (debug_frame_section): New.
6473 (output_call_frame_info): Use debug_frame_section. Pass it to
6474 dw2_asm_output_offset.
6475 (output_die): Pass appropriate section to dw2_asm_output_offset.
6476 (output_compilation_unit_header): Likewise.
6477 (output_pubnames): Likewise.
6478 (output_aranges): Likewise.
6479 (enum dw_val_class): Break dw_val_class_lbl_offset into
6480 dw_val_class_lineptr and dw_val_class_macptr.
6481 (add_AT_lbl_offset): Delete.
6482 (add_AT_lineptr): New.
6483 (add_AT_macptr): New.
6484 (AT_lbl): Expect a lineptr or macptr.
6485 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6486 (attr_checksum): Likewise.
6487 (same_dw_val_p): Likewise.
6488 (size_of_die): Likewise.
6489 (value_format): Likewise.
6490 (output_die): Likewise.
6491 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6492 add_AT_lbl_offset.
6493 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6494 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6495 * config/darwin-protos.h (darwin_file_start): New.
6496 (darwin_asm_output_dwarf_offset): New.
6497 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6498 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6499 darwin_file_start.
6500 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6501 if not EH section; simplify.
6502 (darwin_file_start): New.
6503 (darwin_asm_output_dwarf_offset): New.
6504 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6505 mark as 'debug'.
6506 (DEBUG_INFO_SECTION): Likewise.
6507 (DEBUG_ABBREV_SECTION): Likewise.
6508 (DEBUG_ARANGES_SECTION): Likewise.
6509 (DEBUG_MACINFO_SECTION): Likewise.
6510 (DEBUG_LINE_SECTION): Likewise.
6511 (DEBUG_LOC_SECTION): Likewise.
6512 (DEBUG_PUBNAMES_SECTION): Likewise.
6513 (DEBUG_STR_SECTION): Likewise.
6514 (DEBUG_RANGES_SECTION): Likewise.
6515 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6516 (ASM_OUTPUT_DWARF_OFFSET): New.
6518 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6520 * config.gcc (tm_defines): Always add to previous value rather
6521 than replacing it.
6523 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6525 * config/mips/predicates.md (splittable_const_int_operand): New,
6526 split from move_operand.
6527 (splittable_symbolic_operand): New.
6528 (move_operand): Add commentary. Use splittable_const_int_operand.
6529 Inline mips_atomic_symbolic_constant_p.
6530 * config/mips/mips.md: Add combine splitters for handling moves
6531 of splittable_const_int_operands and splittable_symbolic_operands.
6532 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6533 (mips_split_symbol): Declare.
6534 (mips_move_integer): Declare.
6535 * config/mips/mips.c (mips_split_p): Make global.
6536 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6537 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6538 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6539 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6540 (mips_offset_within_object_p): Handle block symbols.
6541 (mips_atomic_symbolic_constant_p): Delete.
6542 (mips_cannot_force_const_mem): Return false for constants that
6543 mips_legitimize_move can handle.
6544 (mips_use_blocks_for_constant_p): New function.
6545 (mips_split_symbol): Make global.
6546 (mips_move_integer): Likewise. Add a temporary register argument.
6547 (mips_legitimize_const_move): Use splittable_const_int_operand and
6548 splittable_symbolic_operand.
6549 (mips_use_anchors_for_symbol_p): New function.
6550 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6551 (mips_split_p): Declare.
6553 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6555 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6556 (mips*-*-linux*): Likewise.
6558 2006-03-16 Roger Sayle <roger@eyesopen.com>
6559 Daniel Speyer <dspeyer@wam.umd.edu>
6561 PR middle-end/18259
6562 * tree-dump.c (dump_real): New function.
6563 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6564 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6565 (tree-dump.o): Add $(REAL_H) to the dependencies.
6567 2006-03-16 Roger Sayle <roger@eyesopen.com>
6569 PR middle-end/21781
6570 * real.c (real_from_string): If the mantissa is zero, don't bother
6571 parsing the exponent as the result should always be zero.
6573 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6575 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6577 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6579 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6580 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6581 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6582 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6583 ia64_sched_finish_global): New static functions to implement
6584 hooks from gcc_target.sched.
6585 (spec_check_no, max_uid, pending_data_specs): New static variables.
6586 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6587 ia64_spec_check_src_p): New static functions.
6588 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6589 (TARGET_SCHED_ADJUST_COST): Removed.
6590 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6591 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6592 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6593 TARGET_SCHED_GEN_CHECK,
6594 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6595 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6596 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6597 Fixed to handle speculation checks.
6598 (rtx_needs_barrier): Fixed to handle speculative loads and
6599 their checks.
6600 (ia64_variable_issue): Added code to count speculative loads and their
6601 checks.
6602 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6603 speculative loads.
6604 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6605 New enumerations.
6606 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6607 New constants.
6608 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6609 (ia64_reorg): Reset stops_p to NULL after it is freed.
6610 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6611 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6612 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6613 chk_a.
6614 (data_speculative, control_speculative, check_load): New attributes.
6615 (mov<mode>_advanced, mov<mode>_speculative,
6616 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6617 zero_extend<mode>di2_speculative,
6618 zero_extend<mode>di2_speculative_advanced): New patterns for
6619 data and control speculative loads.
6620 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6621 check loads.
6622 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6623 New pattern for data and control speculation checks.
6624 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6625 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6626 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6627 Auxiliary definitions for the patterns.
6628 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6629 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6630 constraints.
6631 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6632 for speculation.
6633 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6634 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6635 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6636 New resource constraints.
6637 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6638 for speculation.
6639 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6640 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6641 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6642 msched-in-control-spec, msched-ldc, msched-control-ldc,
6643 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6644 msched-prefer-non-control-spec-insns,
6645 msched-count-spec-in-critical-path): New flags to tune speculative
6646 scheduling.
6647 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6648 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6649 msched-in-control-spec, msched-ldc, msched-control-ldc,
6650 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6651 msched-prefer-non-control-spec-insns,
6652 msched-count-spec-in-critical-path): Document new flags.
6654 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6656 * target.h (struct spec_info_def): New opaque declaration.
6657 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6658 speculate_insn, needs_block_p, gen_check,
6659 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6660 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6661 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6662 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6663 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6664 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6665 gcc_target.sched.
6666 (TARGET_SCHED): Use new macros.
6667 * rtl.h (copy_DEPS_LIST_list): New prototype.
6668 * sched-int.h (struct sched_info): Change signature of new_ready field,
6669 adjust all initializations. New fields: add_remove_insn,
6670 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6671 region_head_or_leaf_p.
6672 (struct spec_info_def): New structure declaration.
6673 (spec_info_t): New typedef.
6674 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6675 recovery_block, orig_pat.
6676 (glat_start, glat_end): New variables declaraions.
6677 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6678 New access macros.
6679 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6680 DETACH_LIFE_INFO, USE_GLAT.
6681 (enum SPEC_SCHED_FLAGS): New enumeration.
6682 (NOTE_NOTE_BB_P): New macro.
6683 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6684 attach_life_info, debug_spec_status, check_reg_live): New functions.
6685 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6686 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6687 sched-ebb.c
6688 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6689 * ddg.c (get_block_head_tail): Adjust all uses.
6690 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6691 (sms_sched_info): Initialize new fields.
6692 (contributes_to_priority): Removed.
6693 * haifa-sched.c (params.h): New include.
6694 (get_block_head_tail): Adjust all uses.
6695 (ISSUE_POINTS): New macro.
6696 (glat_start, glat_end): New global variables.
6697 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6698 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6699 old_last_basic_block, before_recovery, current_sched_info_var,
6700 rgn_n_insns, luid): New static variables.
6701 (insn_cost1): New function. Move logic from insn_cost to here.
6702 (find_insn_reg_weight1): New function. Move logic from
6703 find_insn_reg_weight to here.
6704 (reemit_notes, move_insn, max_issue): Change signature.
6705 (move_insn1): Removed.
6706 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6707 extend_bb): New static functions to support extension of scheduler's
6708 data structures.
6709 (generate_recovery_code, process_insn_depend_be_in_spec,
6710 begin_speculative_block, add_to_speculative_block,
6711 init_before_recovery, create_recovery_block, create_check_block_twin,
6712 fix_recovery_deps): New static functions to support
6713 generation of recovery code.
6714 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6715 restore_bb_notes, move_block_after_check, move_succs): New static
6716 functions to support ebb scheduling.
6717 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6718 functions to support handling of register live information.
6719 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6720 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6721 add_jump_dependencies): New static functions.
6722 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6723 consistancy checking.
6724 (debug_spec_status): New function to call from debugger.
6725 (priority): Added code to handle speculation checks.
6726 (rank_for_schedule): Added code to distinguish speculative instructions.
6727 (schedule_insn): Added code to handle speculation checks.
6728 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6729 Fixed to handle ebbs.
6730 (move_insn): Added code to handle ebb scheduling.
6731 (max_issue): Added code to use ISSUE_POINTS of instructions.
6732 (choose_ready): Added code to choose between speculative and
6733 non-speculative instructions.
6734 (schedule_block): Added code to handle ebb scheduling and scheduling of
6735 speculative instructions.
6736 (sched_init): Initialize new variables.
6737 (sched_finish): Free new variables. Print statistics.
6738 (try_ready): Added code to handle speculative instructions.
6739 * lists.c (copy_DEPS_LIST_list): New function.
6740 * sched-deps.c (extend_dependency_caches): New function. Move logic
6741 from create_dependency_caches to here.
6742 (get_dep_weak, ds_merge): Make global.
6743 * genattr.c (main): Code to output prototype for
6744 dfa_clear_single_insn_cache.
6745 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6746 (output_dfa_clean_insn_cache_func): Code to output
6747 dfa_clear_single_insn_cache function.
6748 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6749 n_insns.
6750 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6751 Removed.
6752 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6753 New static variables.
6754 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6755 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6756 struct sched_info.
6757 (ebb_sched_info): Initialize new fields.
6758 (get_block_head_tail): Adjust all uses.
6759 (compute_jump_reg_dependencies): Fixed to use glat_start.
6760 (schedule_ebb): Code to remove unreachable last block.
6761 (schedule_ebbs): Added code to update register live information.
6762 * sched-rgn.c (region_sched_info): Initialize new fields.
6763 (get_block_head_tail): Adjust all uses.
6764 (last_was_jump): Removed. Adjust users.
6765 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6766 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6767 Implement new hooks.
6768 (check_dead_notes1): New static function.
6769 (struct region): New fields: dont_calc_deps, has_real_ebb.
6770 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6771 (BB_TO_BLOCK): Fixed to handle EBBs.
6772 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6773 (ebb_head): New static variable.
6774 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6775 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6776 new fields.
6777 (compute_dom_prob_ps): New assertion.
6778 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6779 global_live_at_start.
6780 (init_ready_list): New assertions.
6781 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6782 (new_ready): Add support for BEGIN_CONTROL speculation.
6783 (schedule_insns): Fixed code that updates register live information
6784 to handle EBBs.
6785 (schedule_region): Fixed to handle EBBs.
6786 (init_regions): Use extend_regions and check_dead_notes1.
6787 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6788 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6789 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6790 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6791 TARGET_SCHED_GEN_CHECK,
6792 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6793 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6794 * doc/invoke.texi (max-sched-insn-conflict-delay,
6795 sched-spec-prob-cutoff): Document.
6797 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6799 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6800 inter_tick, queue_index.
6801 (struct sched_info): Change signature of init_ready_list field.
6802 Adjust all initializations.
6803 (RESOLVED_DEPS): New access macro.
6804 (ready_add): Remove prototype.
6805 (try_ready): Add prototype.
6806 * sched-rgn.c (init_ready_list): Use try_ready.
6807 (schedule_region): Initialize
6808 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6809 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6810 (init_ready_list): Use try_ready.
6811 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6812 * lists.c (remove_list_elem): Remove `static'.
6813 (remove_free_INSN_LIST_elem): New function.
6814 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6815 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6816 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6817 New constants.
6818 (readyp): New variable.
6819 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6820 change_queue_index, resolve_dep): New static functions.
6821 (try_ready): New function. Adjust callers in sched-rgn.c and
6822 sched-ebb.c to use it instead of ready_add.
6823 (clock_var): Move at the begining of file.
6824 (rank_for_schedule): Fix typo.
6825 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6826 (ready_lastpos): Enforce assertion.
6827 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6828 update all callers.
6829 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6830 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6831 (queue_to_ready): Use free_INSN_LIST_list.
6832 (early_queue_to_ready): Fix typo.
6833 (schedule_block): Init readyp. Move init_ready_list call after the
6834 initialization of clock_var. Fix error in rejecting insn by
6835 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6836 that previously corrected INSN_TICKs. Add code for handling
6837 QUEUE_INDEX.
6838 (set_priorities): Fix typo.
6839 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6840 Clarify comment and code that keeps current_sched_info->next_tail
6841 non-null.
6843 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6845 * sched-rgn.c (extend_rgns): New static function.
6846 (find_rgns): Use it.
6847 (gather_region_statistics, print_region_statistics): New static
6848 functions.
6849 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6850 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6852 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6853 Andrey Belevantsev <abel@ispras.ru>
6855 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6856 * lists.c (unused_deps_list): New variable.
6857 (free_list): Add assertions to verify the proper distinguishing
6858 between INSN_LISTs and DEPS_LISTs.
6859 (find_list_elem, remove_list_elem, remove_list_node): New static
6860 functions.
6861 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6862 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6863 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6864 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6865 an INSN_LIST.
6866 (free_INSN_LIST_node): Likewise.
6867 * modulo-sched.c (current_sched_info): Initialize flags field.
6868 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6869 * rtl.def (DEPS_LIST): Define.
6870 * rtl.h: Declare new functions from lists.c.
6871 * sched-deps.c (spec_dependency_cache): New static variable.
6872 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6873 (add_dependence): Change return type to void. Move the logic to ...
6874 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6875 (delete_all_dependences): Add comment about forward_dependency_cache.
6876 Handle spec_dependency_cache. Handle DEPS_LISTs.
6877 (fixup_sched_groups): Clarify the change of priority of output
6878 and anti dependencies.
6879 (sched_analyze_2): Adjust add_dependence calls to create data
6880 speculative dependence.
6881 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
6882 Adjust all callers. Handle DEPS_LISTS.
6883 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
6884 presence of speculation.
6885 (init_dependency_caches, free_dependency_caches):
6886 Handle spec_dependency_cache.
6887 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
6888 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
6889 New static functions.
6890 (add_or_update_back_dep, add_or_update_back_forw_dep,
6891 add_back_forw_dep, delete_back_forw_dep): New functions.
6892 * sched-int.h (ds_t, dw_t): New typedefs.
6893 (struct sched_info): Add new field flags.
6894 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6895 Prototype new sched-deps.c functions.
6896 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6897 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6898 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6899 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6900 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6901 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6902 New constants.
6903 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6904 New enums.
6905 * sched-rgn.c (current_sched_info): Initialize flags field.
6906 (schedule_insns): Initialize current_sched_info before the sched_init
6907 call.
6908 * sched-ebb.c (current_sched_info): Initialize flags field.
6909 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6910 Call add_or_update_back_dep instead of add_dependence.
6911 Create control speculative dependencies.
6912 (schedule_insns): Initialize current_sched_info before the sched_init
6913 call.
6915 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6917 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6918 fs->signal_frame.
6919 (sh_fallback_frame_state): Likewise.
6921 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6923 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6924 Do switch on default_use_cxa_atexit.
6925 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6926 * config/darwin-crt3.o: New.
6927 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6928 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6929 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6930 OS version.
6931 * config/rs6000/t-darwin: Move crt2.o building to here.
6932 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6933 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6934 of __cxa_atexit.
6936 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6938 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6939 from '! xxx' to '!xxx' for coding-style conformance.
6940 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6941 (EXTRA_CONSTRAINT): Likewise.
6942 * config/vax/vax.md (four unnamed insns): Likewise.
6944 2006-03-15 Paul Brook <paul@codesourcery.com>
6946 * config/arm/arm.c (minipool_pad): New.
6947 (add_minipool_forward_ref): Include pool alignment padding in address
6948 calculation.
6949 (push_minipool_fix): Set minipool_pad.
6950 (minipool_pad): Ditto.
6952 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6954 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6955 instead of GET_CODE() == MEM and REG_P() instead of
6956 GET_CODE() == REG.
6957 (print_operand_address): Likewise.
6958 (vax_address_cost): Likewise.
6959 (vax_rtx_costs): Likewise.
6960 (vax_notice_update_cc): Likewise.
6961 (vax_output_int_add): Likewise.
6962 (INDEX_REGISTER_P): Likewise.
6963 (BASE_REGISTER_P): Likewise.
6964 (nonindexed_address_p): Likewise.
6965 (vax_mode_dependent_address_p): Likewise.
6966 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6967 (PRINT_OPERAND): Likewise.
6968 * config/vax/vax.md (ashlsi3): Likewise.
6969 (ashlsi3): Likewise.
6970 (some more unnamed insns): Likewise.
6972 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6974 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6975 iterator-style macro.
6976 (mark_control_dependent_edges_necessary): Update the use of
6977 EXECUTE_IF_CONTROL_DEPENDENT.
6979 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6981 * config/sh/predicates.md (cache_address_operand): Special.
6982 (ua_address_operand): Likewise.
6984 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6986 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6987 loop notes.
6988 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6990 2006-03-15 Andreas Schwab <schwab@suse.de>
6992 * gensupport.c (identify_predicable_attribute): Don't free p_false
6993 when it is still in use.
6995 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6997 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6998 the default setting here.
7000 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7002 * tree-pass.h (pass_cfg): Remove.
7003 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7004 * passes.c (pass_cfg): Don't run it.
7006 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7008 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7009 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7010 VEC(char,heap) *.
7011 (stack_regs_mentioned): Update the uses of
7012 stack_regs_mentioned_data. Don't access the array beyond its
7013 end.
7014 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7015 Don't include gt-reg-stack.h.
7017 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7018 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7020 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7022 PR middle-end/26684
7023 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7024 STACK_REGS.
7026 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7028 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7030 2006-03-14 Richard Guenther <rguenther@suse.de>
7032 PR tree-optimization/26672
7033 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7034 SSA form.
7036 2006-03-14 Richard Guenther <rguenther@suse.de>
7038 PR tree-optimization/26667
7039 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7040 node for the callees. Always allow inlining if it will shrink
7041 the function size.
7043 2006-03-14 Richard Guenther <rguenther@suse.de>
7045 PR middle-end/26659
7046 * builtins.c (get_pointer_alignment): Prefer alignment
7047 information from decls over that from types.
7049 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7051 PR target/26657
7052 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7054 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7056 * config/rs6000/rs6000.opt (mdlmzb): New option.
7057 (msched-prolog, msched-epilog): Use Var not Mask.
7058 * doc/invoke.texi (-mdlmzb): Document.
7059 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7060 MASK_SCHED_PROLOG.
7061 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7062 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7064 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7066 PR rtl-optimization/25739
7067 * bt-load.c (augment_live_range): Free tos pointer.
7069 * gensupport.c (identify_predicable_attribute): Free
7070 p_false pointer.
7071 * gcov.c (create_file_names): Free name pointer.
7073 2006-03-13 Roger Sayle <roger@eyesopen.com>
7075 PR middle-end/26557
7076 * stmt.c (emit_case_nodes): Handle the case where the index is a
7077 CONST_INT, where the comparison mode is specified by the index type.
7079 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7081 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7082 is defined.
7084 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7086 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7087 (*branch_fp_inverted): Likewise.
7089 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7091 PR middle-end/25989
7092 * omp-low.c (expand_omp_for_generic): Mark istart0
7093 and iend0 as addressable.
7095 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7097 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7099 2006-03-13 Jeff Law <law@redhat.com>
7101 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7102 virtual operands are interesting.
7103 (vrp_visit_stmt): Corresponding changes.
7105 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7107 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7108 of RETS.
7109 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7110 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7111 * config/bfin/crti.S: Use it instead of __PIC__.
7112 * config/bfin/crtn.S: Likewise.
7114 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7115 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7116 not if flag_pic.
7117 Lose 'G' modifier for call operand.
7118 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7119 recognize 'G' modifier.
7121 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7123 PR middle-end/18859
7124 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7125 * stmt.c (expand_case): Likewise.
7127 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7129 PR rtl-optimization/26254
7130 * loop-invariant.c (seq_insns_valid_p): New function.
7131 (move_invariant_reg): Only emit new code if it is valid.
7133 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7135 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7136 Removed.
7137 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7138 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7139 (commit_one_edge_insertion): Do not look for loop notes.
7141 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7143 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7144 flag_test_coverage out of loop.
7146 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7148 * final.c (shorten_branches): Remove outdated comment, and turn
7149 the if branch that guards it to continue.
7151 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7153 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7154 * cfgloop.h (struct loop): Remove unused fields.
7156 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7158 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7159 (-dL, -fdump-rtl-loop2): Update the dump file names
7161 * doc/invoke.texi: Update dump file names.
7163 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7165 * predict.c (estimate_probability): Remove.
7166 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7167 * basic-block.h (estimate_probability): Remove prototype.
7168 * passes.c (finish_optimization_passes): Dump branch prediction or
7169 profiling heuristics to the .profile tree dump.
7170 (init_optimization_passes): Unqueue pass_branch_prob.
7172 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7174 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7176 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7177 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7179 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7181 * function.h (frame_offset_overflow): Declare.
7182 * function.c (frame_offset_overflow): New function.
7183 (assign_stack_local_1): Call it to detect that the offset overflows.
7184 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7186 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7188 * config/sh/sh.c: Include alloc-pool.h.
7189 (label_ref_list_pool): New alloc pool.
7190 (label_ref_list_t): New type for lists of labels.
7191 (struct pool_node): Make wend a label_ref_list_t.
7192 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7193 references.
7194 (dump_table): Likewise.
7195 (sh_reorg): Set up the alloc pool before using add_constant and
7196 dump_table, and destroy it when finishing.
7198 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7200 * config/mips/mips.c: Remove redundant comment.
7202 2006-03-10 Jason Merrill <jason@redhat.com>
7204 PR c/26004
7205 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7206 the target was declared 'register'.
7208 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7210 * genpreds.c (write_insn_constraint_len): Change definition of
7211 insn_constraint_len to return size_t to match the declaration.
7213 2006-03-10 DJ Delorie <dj@redhat.com>
7215 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7216 start at zero.
7217 (m32c_expand_insv): Fix test for an AND mask.
7219 2006-03-10 Richard Guenther <rguenther@suse.de>
7221 PR middle-end/26565
7222 * builtins.c (get_pointer_alignment): Handle component
7223 references for field alignment.
7225 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7227 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7228 when building with libgloss.
7229 (sh*elf): Implement --without-fp option.
7230 (sh64-superh-linux*): Don't multilib.
7232 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7234 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7236 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7238 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7239 Set it when one of the replacement functions returned true.
7240 Return TODO_cleanup_cfg if cfgchanged is true.
7241 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7243 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7245 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7246 instead of gen_lowpart.
7248 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7250 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7251 interface.
7252 (mips_output_order_conditional_branch): Declare.
7253 * config/mips/mips.h (MIPS_BRANCH): New macro.
7254 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7255 for the comparison. Use gen_condjump.
7256 (mips_output_conditional_branch): Rework interface to take the
7257 asm templates for a direct branch and the inverse of a direct branch.
7258 (mips_output_order_conditional_branch): New function.
7259 (mips_builtin_branch_and_move): New function.
7260 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7261 branch condition. Use gen_single_cc as the condition for
7262 __builtin_mips_upper_* or __builtin_mips_lower_*.
7263 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7264 Use VOIDmode for the branch condition.
7265 * config/mips/predicates.md (order_operator): New predicate.
7266 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7267 (branch_fp): Rename to...
7268 (*branch_fp): ...this. Remove mode from comparison operator.
7269 Use new mips_output_conditional_branch interface.
7270 (branch_fp_inverted): Rename to...
7271 (*branch_fp_inverted): ...this and update as for *branch_fp.
7272 (*branch_zero<mode>): Rename to...
7273 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7274 Use mips_output_order_conditional_branch. Only accept ordered
7275 comparisons.
7276 (*branch_zero<mode>_inverted): Rename to...
7277 (*branch_order<mode>_inverted): ...this and update as for
7278 *branch_order<mode>.
7279 (*branch_equality<mode>): Accept zero as the second operand to
7280 the equality operator. Use the new mips_output_conditional_branch
7281 interface.
7282 (*branch_equality<mode>_inverted): Likewise.
7283 (condjump): New expander.
7284 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7285 operator.
7286 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7287 (bc1any2t, bc1any2f): Likewise.
7288 (single_cc): New expander.
7289 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7291 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7293 * doc/md.texi: Update documentation of MIPS constraints.
7294 * config/mips/constraints.md: New file.
7295 * config/mips/mips.md: Include it.
7296 * config/mips/mips.c (mips_char_to_class): Delete.
7297 (override_options): Don't initialize mips_char_to_class.
7298 * config/mips/mips.h (mips_char_to_class): Delete.
7299 (REG_CLASS_FROM_LETTER): Delete.
7300 (CONST_OK_FOR_LETTER_P): Delete.
7301 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7302 (EXTRA_CONSTRAINT_Y): Delete.
7303 (EXTRA_CONSTRAINT_STR): Delete.
7304 (CONSTRAINT_LEN): Delete.
7305 (EXTRA_MEMORY_CONSTRAINT): Delete.
7307 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7309 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7310 original fn's eh regions.
7312 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7314 * fold-const.c (build_range_check): Make sure to use a valid type to
7315 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7316 transformation.
7318 (range_predecessor): New static function.
7319 (range_successor): Likewise.
7320 (merge_ranges): Use them to compute predecessors and successors of
7321 range bounds.
7323 2006-03-09 Roger Sayle <roger@eyesopen.com>
7325 PR middle-end/26561
7326 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7327 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7329 2006-03-08 DJ Delorie <dj@redhat.com>
7331 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7332 (addpsi3): Expand to include memory operands. Remove
7333 reload-specific splits.
7334 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7335 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7336 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7337 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7338 (shift1_qi, shift1_hi, insv): New.
7339 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7340 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7341 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7342 cond_to_int): New.
7343 * config/m32c/m32c-protos.h: Update as needed.
7344 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7345 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7346 Fail for unrecognized R* constraints.
7347 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7348 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7349 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7350 Add Sp constraint.
7351 (m32c_init_libfuncs): New.
7352 (m32c_legitimate_address_p): Add debug wrapper.
7353 (m32c_rtx_costs): New.
7354 (m32c_address_cost): New.
7355 (conversions): Add 'B' prefix.
7356 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7357 operands, or word regnames for QI operands. 'B' prints bit
7358 position.
7359 (m32c_expand_setmemhi): New.
7360 (m32c_expand_movmemhi): New.
7361 (m32c_expand_movstr): New.
7362 (m32c_expand_cmpstr): New.
7363 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7364 (m32c_expand_neg_mulpsi3): Handle non-ints.
7365 (m32c_cmp_flg_0): New.
7366 (m32c_expand_movcc): New.
7367 (m32c_expand_insv): New.
7368 (m32c_scc_pattern): New.
7369 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7370 a0/a1 out of SIregs.
7371 (STORE_FLAG_VALUE): New.
7372 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7373 code macros.
7374 (no_insn): New.
7375 * config/m32c/mov.md: Make constraints more liberal.
7376 (zero_extendqihi2): Optimize r0/r1 case.
7377 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7378 * config/m32c/predicates.md (m32c_any_operand): New.
7379 (m32c_nonimmediate_operand): New.
7380 (m32c_hl_operand): New.
7381 (m32c_r3_operand): New.
7382 (ap_operand): New.
7383 (ma_operand): New.
7384 (memsym_operand): New.
7385 (memimmed_operand): New.
7386 (a_qi_operand): New.
7387 (m32c_eqne_operator): New.
7388 (m32c_1bit8_operand): New.
7389 (m32c_1bit16_operand): New.
7390 (m32c_1mask8_operand): New.
7391 (m32c_1mask16_operand): New.
7392 * config/m32c/blkmov.md: New file.
7393 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7395 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7397 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7398 unsigned to fix signed/unsigned comparison issue in
7399 DWARF2_FRAME_REG_OUT.
7400 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7401 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7403 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7404 of ptr into the ENABLE_CHECKING section.
7406 2006-03-08 Jeff Law <law@redhat.com>
7408 * tree-vrp.c (infer_value_range): Only count pointer uses
7409 and dereferences if -fdelete-null-pointer-checks is enabled.
7411 * tree-vrp.c (find_assert_locations): Infer value ranges for
7412 single use pointers, but do not create ASSERT_EXPRs for them.
7413 When a non-null range is inferred for a pointer, backwards
7414 propagate that range to other equivalent pointers through the
7415 use-def chain.
7417 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7419 PR bootstrap/26500
7420 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7421 language hook targets.
7422 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7423 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7424 if language hook targets were missing.
7426 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7428 * tree-ssa-opfinalize.h: Removed.
7429 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7430 dependency.
7431 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7432 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7433 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7434 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7435 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7436 finalize_ssa_v_must_def_ops): New.
7438 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7440 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7441 block as parameter.
7443 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7445 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7447 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7448 addresses with offsets; reorganize.
7450 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7451 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7452 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7454 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7456 PR target/26588
7457 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7459 2006-03-08 Ben Elliston <bje@au.ibm.com>
7461 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7463 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7465 PR gomp/26238
7466 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7467 expansion.
7469 2006-03-07 Richard Guenther <rguenther@suse.de>
7471 PR tree-optimization/26587
7472 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7474 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7476 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7478 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7480 * hooks.c (hook_bool_mode_rtx_true): New function.
7481 * hooks.h (hook_bool_mode_rtx_true): Declare.
7482 * toplev.c (compile_file): Call output_shared_constant_pool.
7483 * varasm.c (shared_constant_pool): New variable.
7484 (assemble_start_function, assemble_end_function): Remove arguments
7485 from call to output_constant_pool.
7486 (create_constant_pool): New function, split out from...
7487 (init_varasm_status): ...here.
7488 (force_const_mem): Choose between the shared and per-function constant
7489 pools. Set current_function_uses_const_pool when reusing old entries
7490 as well as when creating new ones.
7491 (mark_constant): Ignore data argument.
7492 (mark_constants): Remove pool argument.
7493 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7494 to decide whether the function uses a constant pool.
7495 (output_constant_pool_contents): New function, split out from...
7496 (output_constant_pool): ...here.
7497 (output_shared_constant_pool): New function.
7498 (init_varasm_once): Initialize shared_constant_pool.
7499 * output.h (output_constant_pool): Delete.
7500 (output_shared_constant_pool): Declare.
7501 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7502 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7504 2006-03-06 Nick Clifton <nickc@redhat.com>
7506 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7507 flag_strength_reduce.
7509 2006-03-06 Ben Elliston <bje@au.ibm.com>
7511 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7512 x86_64-*-linux* configurations.
7514 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7515 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7517 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7519 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7520 Remove.
7521 * basic-block.h: Remove the extern for
7522 rediscover_loops_after_threading.
7524 * cfgloop.c (cancel_loop): Make it static.
7525 * cfgloop.h: Remove the prototype for cancel_loop.
7527 * flow.c (recompute_reg_usage): Make it static.
7528 * rtl.h: Remove the prototype for recompute_reg_usage.
7530 * function.c (use_return_register): Make it static.
7531 * function.h: Remove the prototype.
7533 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7535 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7536 Remove.
7537 * recog.h: Remove the prototype for
7538 validate_change_maybe_volatile.
7540 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7542 * rtlanal.c (replace_reg): Remove.
7543 * rtl.h: Remove the prototype for replace_reg.
7545 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7547 * regclass.c (reg_scan_update): Remove.
7548 (reg_scan_mark_refs): Remove the last argument.
7549 * rtl.h: Remove the prototype for reg_scan_update.
7551 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7553 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7554 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7555 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7556 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7557 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7558 loop-invariant.c, omp-low.c, opts.c, passes.c,
7559 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7560 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7561 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7562 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7563 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7564 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7566 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7568 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7569 * dwarf2out.h: Remove the prototype for
7570 dwarf2out_add_library_unit_info.
7572 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7574 * tree.c (add_var_to_bind_expr): Remove.
7575 * tree.h: Remove the prototype for add_var_to_bind_expr.
7577 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7579 * regclass.c (n_non_fixed_regs): Remove.
7580 (init_reg_sets_1, globalize_reg): Remove all uses of
7581 n_non_fixed_regs.
7582 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7584 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7586 * rtlanal.c (insns_safe_to_move_p): Remove.
7587 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7589 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7591 * expmed.c (expand_mult_add): Remove.
7592 * expr.h: Remove the prototype for expand_mult_add.
7594 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7596 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7597 and REG_SAVED_VAL_EXP constants.
7598 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7599 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7600 Handle regs stored by value.
7601 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7602 (execute_cfa_program): Handle DW_CFA_val_offset,
7603 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7604 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7605 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7606 (uw_install_context_1): Handle target regs stored by value.
7608 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7610 * tree-sra.c (tree_sra): Return todoflags;
7611 (generate_one_element): Set TODO_update_smt_usage if needed.
7612 (pass_sra): Remove TODO_update_smt_usage.
7613 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7614 parameter.
7615 (tree_ssa_forward_propagate_single_use_vars): Return
7616 TODO_update_smt_usage if we need to update SMT usage.
7617 (pass_forwprop): Remove TODO_update_smt_usage.
7619 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7621 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7622 (correct_use_link): Remove reference to get_stmt_operands.
7623 (update_stmt_operands): Likewise.
7624 (get_modify_expr_operands): New function factored out of
7625 parse_ssa_operands and get_expr_operands.
7626 Try to create V_MUST_DEFs for LHS by default.
7627 (get_expr_operands) <case MODIFY_EXPR>: Call
7628 get_modify_expr_operands.
7629 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7630 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7631 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7632 get_modify_expr_operands.
7634 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7636 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7637 * tree-flow.h: Remove the prototype for
7638 referenced_var_lookup_if_exists.
7640 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7642 PR rtl-optimization/26345
7643 PR target/19061
7644 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7646 2006-03-03 Roger Sayle <roger@eyesopen.com>
7648 PR tree-optimization/26524
7649 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7650 fold_convert to create a constant of the appropriate type.
7652 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7654 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7655 SYMBOL_REF_IN_BLOCK_P.
7656 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7657 of SYMBOL_FLAG_IN_BLOCK.
7658 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7659 instead of SYMBOL_REF_IN_BLOCK_P.
7660 * explow.c (use_anchored_address): Likewise.
7661 * rtl.c (rtx_size): Likewise.
7662 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7663 instead of SYMBOL_FLAG_IN_BLOCK.
7664 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7665 SYMBOL_REF_IN_BLOCK_P.
7666 (assemble_variable): Likewise.
7667 (output_constant_def_contents): Likewise.
7668 (output_constant_pool): Likewise.
7669 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7670 instead of SYMBOL_FLAG_IN_BLOCK.
7671 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7672 SYMBOL_REF_IN_BLOCK_P.
7673 (SYMBOL_REF_BLOCK): Likewise.
7674 (SYMBOL_REF_OFFSET): Likewise.
7675 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7676 SYMBOL_REF_IN_BLOCK_P.
7677 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7678 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7679 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7680 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7682 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7684 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7686 2006-03-02 Roger Sayle <roger@eyesopen.com>
7688 * simplify-rtx.c (simplify_unary_operation): When simplifying
7689 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7690 that we perform the right shift in the appropriate mode, and
7691 then extend or truncate the result to requested mode.
7693 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7695 * gengtype.c (main): Handle double_int type.
7696 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7697 * double-int.c: New file.
7698 * double-int.h: New file.
7699 * system.h: Include doubleint.h.
7700 * Makefile.in (SYSTEM_H): Include double-int.h.
7701 (double-int.o): Add.
7703 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7705 PR bootstrap/26478
7706 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7707 copying over it.
7709 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7711 * tree-vrp.c (remove_range_assertions): Do not update statements
7712 unnecessarily.
7714 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7716 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7717 cleanup.
7718 * gcse.c (rest_of_handle_gcse): Ditto.
7719 * except.c (gate_handle_eh): Ditto.
7720 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7721 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7723 2006-03-02 Eric Christopher <echristo@apple.com>
7725 * config/i386/i386.c (machopic_output_stub): Add indirection to
7726 jump.
7728 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7730 * loop.c: Removed.
7732 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7734 Sun Niagara specific optimizations.
7735 * config.gcc: Recognize niagara as target.
7736 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7737 (TARGET_CPU_niagara): Define.
7738 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7739 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7740 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7741 (ASM_CPU_SPEC): Likewise.
7742 (PROCESSOR_NIAGARA): New enum entry.
7743 (REGISTER_MOVE_COST): Handle Niagara.
7744 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7745 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7746 (sparc_override_options): Recognize "niagara", set appropriate
7747 default MASK_* values for it, and align functions to 32-bytes
7748 by default just like ULTRASPARC/ULTRASPARC3.
7749 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7750 (sparc64_initialize_trampoline): Likewise.
7751 (sparc_use_sched_lookahead): Use zero for niagara.
7752 (sparc_issue_rate): Use one for niagara.
7753 * config/sparc/niagara.md: New file.
7754 * config/sparc/sparc.md: Include it.
7755 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7756 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7757 when default cpu is niagara.
7758 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7759 (ASM_CPU_SPEC): Likewise.
7760 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7761 when default cpu is niagara.
7762 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7763 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7764 just like v9/ultrasparc/ultrasparc3.
7765 * doc/invoke.texi: Add documentation for "niagara" and improve
7766 existing documentation for ultrasparc variants.
7768 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7770 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7772 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7774 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7775 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7776 and say that only one is needed.
7777 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7778 * target.h (have_switchable_bss_sections): New hook.
7779 * explow.c (use_anchored_address): Check that the symbol is in a block.
7780 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7781 (bss_noswitch_section): New variables.
7782 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7783 (get_noswitch_section): New function.
7784 (get_block_for_section): Allow SECT to be null.
7785 (unlikely_text_section_p): Use SECTION_STYLE.
7786 (bss_initializer_p): New function.
7787 (get_variable_section): Move earlier in file. Take a new argument,
7788 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7789 Return one of the new *_sections in such cases.
7790 (get_block_for_decl): New function, extracting some logic from
7791 use_blocks_for_decl_p.
7792 (change_symbol_section): Remove in favor of...
7793 (change_symbol_block): ...this new function.
7794 (use_blocks_for_decl_p): Remove checks now performed by
7795 get_block_for_decl.
7796 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7797 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7798 (emit_local, emit_bss, emit_common): ...these new functions.
7799 Return true if the alignment was honored.
7800 (emit_tls_common): New function.
7801 (asm_emit_uninitialised): Delete.
7802 (assemble_variable_noswitch): New function, split out from...
7803 (assemble_variable): ...here. Don't make decisions about common
7804 variables here. Globalize all public decls that go into non-common
7805 sections. Check whether SYMBOL_REF_BLOCK is null.
7806 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7807 (output_constant_pool): Likewise.
7808 (init_varasm_once): Initialize the new section variables.
7809 (have_global_bss_p): New function.
7810 (categorize_decl_for_section): Use bss_initializer_p.
7811 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7812 (place_block_symbol): Assert that the symbol must be in a block.
7813 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7814 (TARGET_INITIALIZER): Include it.
7815 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7816 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7817 (SECTION_MACH_DEP): Bump by two.
7818 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7819 (unnamed_section): Mention SECTION_UNNAMED in comment.
7820 (named_section): Likewise SECTION_NAMED.
7821 (noswitch_section_callback): New type.
7822 (noswitch_section): New structure.
7823 (section): Add a noswitch_section alternative.
7824 (SECTION_STYLE): New macro.
7825 (tls_comm_section, comm_section, lcomm_section): Declare.
7826 (bss_noswitch_section, have_global_bss_p): Declare.
7827 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7828 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7829 Override.
7830 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7831 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7832 Override.
7834 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7836 * tree-vrp.c (execute_vrp): Return value.
7837 * regrename.c (rest_of_handle_regrename): Ditto.
7838 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7839 * tree-complex.c (tree_lower_complex): Ditto.
7840 (tree_lower_complex_O0): Ditto.
7841 * tracer.c (rest_of_handle_tracer): Ditto.
7842 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7843 * postreload.c (rest_of_handle_postreload): Ditto.
7844 * tree-tailcall.c (execute_tail_recursion): Ditto.
7845 (execute_tail_calls): Ditto.
7846 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7847 * tree.h (init_function_for_compilation): Ditto.
7848 * ipa-cp.c (ipcp_driver): Ditto.
7849 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7850 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7851 * final.c (compute_alignments): Ditto.
7852 (rest_of_handle_final): Ditto.
7853 (rest_of_handle_shorten_branches): Ditto.
7854 (rest_of_clean_state): Ditto.
7855 * omp-low.c (execute_expand_omp): Ditto.
7856 (execute_lower_omp): Ditto.
7857 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7858 * ipa-reference.c (static_execute): Ditto.
7859 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7860 * reorg.c (rest_of_handle_delay_slots): Ditto.
7861 (rest_of_handle_machine_reorg): Ditto.
7862 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7863 * flow.c (recompute_reg_usage): Ditto.
7864 (rest_of_handle_remove_death_notes): Ditto.
7865 (rest_of_handle_life): Ditto.
7866 (rest_of_handle_flow2): Ditto.
7867 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7868 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7869 (do_ssa_store_ccp): Ditto.
7870 (execute_fold_all_builtins): Ditto.
7871 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7872 * modulo-sched.c (rest_of_handle_sms): Ditto.
7873 * ipa-pure-const.c (static_execute): Ditto.
7874 * cse.c (rest_of_handle_cse): Ditto.
7875 (rest_of_handle_cse2): Ditto.
7876 * web.c (rest_of_handle_web): Ditto.
7877 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7878 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7879 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7880 * tree-nrv.c (tree_nrv): Ditto.
7881 (execute_return_slot_opt): Ditto.
7882 * tree-ssa-alias.c (compute_may_aliases): Ditto.
7883 (create_structure_vars): Ditto.
7884 * loop-init.c (rtl_loop_init): Ditto.
7885 (rtl_loop_done): Ditto.
7886 (rtl_move_loop_invariants): Ditto.
7887 (rtl_unswitch): Ditto.
7888 (rtl_unroll_and_peel_loops): Ditto.
7889 (rtl_doloop): Ditto.
7890 * gimple-low.c (lower_function_body): Ditto.
7891 (mark_used_blocks): Ditto.
7892 * tree-ssa-sink.c (execute_sink_code): Ditto.
7893 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7894 (cgraph_early_inlining): Ditto.
7895 * global.c (rest_of_handle_global_alloc): Ditto.
7896 * jump.c (cleanup_barriers): Ditto.
7897 (purge_line_number_notes): Ditto.
7898 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7899 (rest_of_handle_if_after_reload): Ditto.
7900 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7901 (tree_ssa_loop_im): Ditto.
7902 (tree_ssa_loop_unswitch): Ditto.
7903 (tree_vectorize): Ditto.
7904 (tree_linear_transform): Ditto.
7905 (tree_ssa_loop_ivcanon): Ditto.
7906 (tree_ssa_empty_loop): Ditto.
7907 (tree_ssa_loop_bounds): Ditto.
7908 (tree_complete_unroll): Ditto.
7909 (tree_ssa_loop_prefetch): Ditto.
7910 (tree_ssa_loop_ivopts): Ditto.
7911 (tree_ssa_loop_done): Ditto.
7912 * predict.c (tree_estimate_probability): Ditto.
7913 * recog.c (split_all_insns_noflow): Ditto.
7914 (rest_of_handle_peephole2): Ditto.
7915 (rest_of_handle_split_all_insns): Ditto.
7916 * tree-eh.c (lower_eh_constructs): Ditto.
7917 * regmove.c (rest_of_handle_regmove): Ditto.
7918 (rest_of_handle_stack_adjustments): Ditto.
7919 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7920 * function.c (instantiate_virtual_regs): Ditto.
7921 (init_function_for_compilation): Ditto.
7922 (rest_of_handle_check_leaf_regs): Ditto.
7923 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7924 (rest_of_handle_gcse): Ditto.
7925 * ipa-type-escape.c (type_escape_execute): Ditto.
7926 * alias.c (rest_of_handle_cfg): Ditto.
7927 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7928 * profile.c (rest_of_handle_branch_prob): Ditto.
7929 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7930 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7931 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7932 * tree-dfa.c (find_referenced_vars): Ditto.
7933 * except.c (set_nothrow_function_flags): Ditto.
7934 (convert_to_eh_region_ranges): Ditto.
7935 (rest_of_handle_eh): Ditto.
7936 * emit-rtl.c (unshare_all_rtl): Ditto.
7937 (remove_unnecessary_notes): Ditto.
7938 * except.h (set_nothrow_function_flags): Ditto.
7939 (convert_to_eh_region_ranges): Ditto.
7940 * cfgexpand.c (tree_expand_cfg): Ditto.
7941 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7942 * tree-ssa-pre.c (do_pre): Ditto.
7943 (execute_fre): Ditto.
7944 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7945 (rest_of_handle_jump2): Ditto.
7946 * tree-sra.c (tree_sra): Ditto.
7947 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7948 (execute_mudflap_function_decls): Ditto.
7949 * tree-ssa-copy.c (do_copy_prop): Ditto.
7950 (do_store_copy_prop): Ditto.
7951 * ipa-prop.h (ipcp_driver): Ditto.
7952 * cfglayout.c (insn_locators_initialize): Ditto.
7953 * tree-ssa-forwprop.c
7954 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7955 * cfglayout.h (insn_locators_initialize): Ditto.
7956 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7957 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7958 (execute_late_warn_uninitialized): Ditto.
7959 * rtl.h (cleanup_barriers): Ditto.
7960 (split_all_insns_noflow): Ditto.
7961 (purge_line_number_notes): Ditto.
7962 (unshare_all_rtl): Ditto.
7963 (remove_unnecessary_notes): Ditto.
7964 (recompute_reg_usage): Ditto.
7965 (variable_tracking_main): Ditto.
7966 * integrate.c (emit_initial_value_sets): Ditto.
7967 * integrate.h (emit_initial_value_sets): Ditto.
7968 * tree-optimize.c (execute_free_datastructures): Ditto
7969 (execute_free_cfg_annotations): Ditto.
7970 (execute_fixup_cfg): Ditto.
7971 (execute_cleanup_cfg_pre_ipa): Ditto.
7972 (execute_cleanup_cfg_post_optimizing): Ditto.
7973 (execute_init_datastructures): Ditto.
7974 * tree-object-size.c (compute_object_sizes): Ditto.
7975 * combine.c (rest_of_handle_combine): Ditto.
7976 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7977 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7978 (rest_of_handle_reorder_blocks): Ditto.
7979 (rest_of_handle_partition_blocks): Ditto.
7980 * var-tracking.c (variable_tracking_main): Ditto.
7981 * tree-profile.c (tree_profiling): Ditto.
7982 * tree-vect-generic.c (expand_vector_operations): Ditto.
7983 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7984 * sched-rgn.c (rest_of_handle_sched): Ditto.
7985 (rest_of_handle_sched2): Ditto.
7986 * basic-block.h (free_bb_insn): Ditto.
7987 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7988 * tree-cfg.c (execute_build_cfg): Ditto.
7989 (remove_useless_stmts): Ditto.
7990 (split_critical_edges): Ditto.
7991 (execute_warn_function_return): Ditto.
7992 (execute_warn_function_noreturn): Ditto.
7993 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7994 * cfgrtl.c (free_bb_for_insn): Ditto.
7995 * passes.c (execute_one_pass): Run additional
7996 todos returned by execute function.
7997 * tree-pass.h (struct tree_opt_pass): Make execute
7998 return a value.
8000 2006-03-02 Richard Guenther <rguenther@suse.de>
8002 * tree-ssa-alias.c (find_used_portions): Consider taking
8003 the address as making the variable not write-only.
8005 2006-03-02 Nick Clifton <nickc@redhat.com>
8007 * config.gcc (default_use_cxa_atexit): Extend the description of
8008 this configure variable. Set its default value to "yes" for
8009 Linux, NetBSD and ELF targets on the assumption that they will
8010 use C libraries with the __cxa_atexit function.
8012 2006-03-02 Ben Elliston <bje@au.ibm.com>
8014 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8015 parameter as unused to suppress a build warning.
8017 2006-03-02 Ben Elliston <bje@au.ibm.com>
8019 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8020 config/dfp-bit.c.
8022 2006-03-01 Roger Sayle <roger@eyesopen.com>
8024 PR other/26489
8025 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8026 declared name, the weak reference name, and the typeof name.
8027 (__gthrw): Avoid expanding the declared name suffix.
8028 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8030 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8032 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8033 from DWARF 3.
8034 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8035 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8036 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8037 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8038 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8039 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8040 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8041 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8042 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8043 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8044 (DW_END_default, DW_END_big, DW_END_little): New.
8045 (DW_END_lo_user, DW_END_hi_user): Define.
8046 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8047 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8048 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8049 DW_LANG_D): New.
8051 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8053 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8054 Update all users.
8055 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8056 Update all users.
8057 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8058 Update all users.
8059 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8060 Update all users.
8061 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8062 to 'symbol_mem_tag'.
8063 Update all users.
8064 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8065 rename.
8067 2006-03-01 Roger Sayle <roger@eyesopen.com>
8069 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8071 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8073 PR target/25761
8074 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8075 MACHO_DYNAMIC_NO_PIC_P.
8076 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8078 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8080 PR target/26389
8081 * config/darwin-protos.h (darwin_asm_output_anchor):
8082 Declare.
8083 * config/darwin-sections.def (cstring_section):
8084 Add SECTION_MERGE to the flags.
8085 (literal4_section): Likewise.
8086 (literal8_section): Likewise.
8087 (objc_selector_refs_section): Likewise.
8088 (objc_cls_refs_section): Likewise.
8089 * config/darwin.c (darwin_asm_output_anchor): New
8090 function.
8091 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8093 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8095 Fix PR tree-optimization/26443
8096 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8097 to todo and PROP_tmt_usage to properties_destroyed.
8098 * tree-ssa-ccp.c (pass_ccp): Ditto.
8099 (pass_store_ccp): Ditto.
8100 * tree-ssa-dom.c (pass_dominator): Ditto.
8102 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8104 * tree-ssa-operands.c: Cleanup whitespace.
8105 (get_asm_expr_operands): Move before first invocation.
8106 (get_indirect_ref_operands): Likewise.
8107 (get_tmr_operands): Likewise.
8108 (get_call_expr_operands): Likewise.
8109 (append_def): Likewise.
8110 (append_use): Likewise.
8111 (append_v_may_def): Likewise.
8112 (append_v_must_def): Likewise.
8113 (add_call_clobber_ops): Likewise.
8114 (add_call_read_ops): Likewise.
8115 (add_stmt_operand): Likewise.
8116 (add_virtual_operand): Likewise.
8117 (build_ssa_operands): Likewise.
8119 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8121 PR middle-end/26022
8122 Revert:
8123 PR middle-end/24437
8124 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8125 with a call expr to ...
8126 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8128 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8130 * tree-vrp.c (extract_range_from_assert): Remove special
8131 handling for types with super-types.
8133 2006-03-01 Ben Elliston <bje@au.ibm.com>
8135 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8136 and powerpc64-*-linux* configurations.
8137 * config/t-dfprules: New file.
8139 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8140 Compile dfp-bit.c from the source directory using -DWIDTH and
8141 $DFP_CFLAGS to control the compilation of that file, rather than
8142 generating width-specific versions in the build directory.
8143 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8144 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8146 2006-02-28 Zack Weinberg <zackw@panix.com>
8148 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8149 continues to work.
8151 2006-02-28 Eric Christopher <echristo@apple.com>
8153 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8154 Set up IN_LIBGCC definition of TARGET_64BIT.
8155 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8157 2006-02-28 Roger Sayle <roger@eyesopen.com>
8159 PR middle-end/14752
8160 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8161 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8162 cases via the construction of "expr != 0".
8164 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8166 * alias.c (alias_invariant, alias_invariant_size): Remove.
8167 (record_base_value): Remove.
8168 (memrefs_conflict_p): Don't look at alias_invariant.
8169 (end_alias_analysis): Don't free it.
8170 * alias.h (record_base_value): Remove prototype.
8172 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8173 Adam Nemet <anemet@caviumnetworks.com>
8175 * rtl.h (truncated_to_mode): Declare it.
8176 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8177 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8178 (RTL_HOOKS_INITIALIZER): Include it.
8179 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8180 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8181 reg_truncated_to_mode.
8182 * rtlanal.c (truncated_to_mode): Define it.
8183 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8185 2006-02-28 Jeff Law <law@redhat.com>
8187 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8188 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8189 the range allowed by TYPE_PRECISION.
8191 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8193 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8195 PR tree-optimization/26419
8196 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8197 values of n.
8199 2006-02-27 Zack Weinberg <zackw@panix.com>
8201 * doc/md.texi: Fix typo in previous change.
8203 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8205 * df.c: Remove.
8207 2006-02-27 Zack Weinberg <zackw@panix.com>
8209 * rtl.def (define_constraint, define_register_constraint)
8210 (define_memory_constraint, define_address_constraint): New MD forms.
8211 * gensupport.c (process_rtx): Put define_constraint etc on the
8212 predicate queue.
8213 * genpreds.c (process_define_predicate): Adjust comment. Validate
8214 the name, and call validate_exp to validate the expression.
8215 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8216 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8217 all callers changed.
8218 (validate_exp, needs_variable, struct constraint_data)
8219 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8220 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8221 (const_dbl_constraints, constraint_max_namelen)
8222 (have_register_constraints, have_memory_constraints)
8223 (have_address_constraints, have_address_constraints)
8224 (have_extra_constraints, have_const_int_constraints)
8225 (have_const_dbl_constraints, mangle, add_constraint)
8226 (process_define_constraint, process_define_register_constraint)
8227 (write_enum_constraint_num, write_lookup_constraint)
8228 (write_insn_constraint_len, write_regclass_for_constraint)
8229 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8230 (write_insn_extra_memory_constraint)
8231 (write_insn_extra_address_constraint)
8232 (write_satisfies_constraint_fns): New.
8233 (write_tm_preds_h): If we have new-style constraint definitions,
8234 prototype the functions generated from them, and define the
8235 old constraint interface (still used by generic code) in terms of
8236 those functions.
8237 (write_insn_preds_c): If we have new-style constraint definitions,
8238 generate all relevant functions from those definitions.
8239 (main): Handle define_constraint etc.
8240 * genoutput.c (struct constraint_data, indep_constraints)
8241 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8242 (mdep_constraint_len): New data structures and functions, defined
8243 #ifdef USE_MD_CONSTRAINTS.
8244 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8245 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8246 use new logic to validate operand constraints against constraint
8247 definitions.
8248 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8249 defined.
8250 * defaults.h: If none of the old-style constraint macros are
8251 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8252 old-style macros; and poison REG_CLASS_FROM_LETTER,
8253 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8254 EXTRA_CONSTRAINT.
8255 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8256 * doc/md.texi: Document new constraint-definition mechanism and the
8257 C interface it provides. Remove references to old mechanism
8258 elsewhere in the document.
8259 (Machine Constraints): Use pathnames relative to gcc directory,
8260 i.e. config/ARCH/FILE. Change i386 section to refer to
8261 config/i386/predicates.md; update that section to match docstrings.
8262 * doc/tm.texi: Move all documentation of the old constraint-
8263 definition macros to their own section, clearly mark as obsolete.
8265 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8266 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8267 definitions.
8268 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8269 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8270 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8271 constraint strings.
8272 (splits and peepholes): Use satisfies_constraint_*.
8273 * config/i386/i386.c (memory_address_length)
8274 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8276 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8278 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8279 scalar operation to be put back into the loop.
8281 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8283 PR other/26208
8284 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8285 (extract_cie_info): Handle S flag in augmentation string.
8286 (execute_cfa_program): If context->signal_frame, execute also
8287 fs->pc == context->ra instructions.
8288 (uw_frame_state_for): If context->signal_frame, don't subtract one
8289 from context->ra to find FDE.
8290 (uw_update_context_1): Set context->signal_frame to
8291 fs->signal_frame.
8292 (_Unwind_GetIPInfo): New function.
8293 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8294 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8295 of _Unwind_GetIP.
8296 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8297 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8298 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8299 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8300 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8301 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8302 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8303 x86_64_fallback_frame_state): Set fs->signal_frame.
8304 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8305 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8306 (frob_update_context): Likewise. Workaround missing S flag in
8307 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8308 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8309 Remove the psw_addr + 1 hack.
8311 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8313 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8314 with aggregates here.
8315 (find_func_aliases): Remove code for &<aggregate> from here.
8317 2006-02-26 Roger Sayle <roger@eyesopen.com>
8319 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8320 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8321 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8322 as (X & C) ne/eq 0.
8324 2006-02-26 Roger Sayle <roger@eyesopen.com>
8326 PR middle-end/19983
8327 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8329 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8331 * opts.c (decode_options): Do not handle flag_strength_reduce.
8332 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8333 and OPT_fstrength_reduce.
8334 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8335 flag_prefetch_loop_arrays for being nonzero.
8336 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8337 no-ops.
8338 (fprefetch-loop-arrays-rtl): Removed.
8339 (flag_prefetch_loop_arrays): Do not specify the value.
8341 * doc/passes.texi: Update documentation of loop optimizer
8342 passes.
8343 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8344 -frerun-loop-opt): Remove.
8346 2006-02-26 Richard Guenther <rguenther@suse.de>
8348 PR tree-optimization/26421
8349 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8350 in function calls that are ADDR_EXPRs as using the whole structure.
8352 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8354 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8355 * tree-pass.h (pass_loop_optimize): Remove.
8356 * passes.c (pass_loop_optimize): Never run it.
8357 * toplev.c (backend_init): Don't call init_loop.
8358 * opts.c (flag_loop_optimize_set): Remove.
8359 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8360 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8361 the old RTL loop optimizer when profiling enabled.
8362 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8363 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8364 pre-headers for the sake of the old RTL loop optimizer.
8365 * Makefile.in: Remove all references to loop.o.
8367 * doc/invoke.texi: Remove all references to -floop-optimize
8368 and -frerun-loop-opt.
8370 2006-02-26 Zack Weinberg <zackw@panix.com>
8372 * doc/md.texi (Machine Constraints): Refer to all files with paths
8373 relative to gcc directory (i.e. config/CPU/file). Add missing
8374 @table @code ... @end table to M32C subsection.
8376 2006-02-26 Roger Sayle <roger@eyesopen.com>
8378 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8379 (X & 1) == 0.
8380 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8382 2006-02-26 Roger Sayle <roger@eyesopen.com>
8383 James A. Morrison <phython@gcc.gnu.org>
8385 PR middle-end/21137
8386 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8387 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8388 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8389 signedness of the shift operation.
8391 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8393 PR tree-optimization/26359
8394 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8396 2006-02-25 Roger Sayle <roger@eyesopen.com>
8398 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8399 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8400 as X == 0, and some symmetry related transformations.
8401 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8403 2006-02-25 Roger Sayle <roger@eyesopen.com>
8405 PR middle-end/23673
8406 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8407 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8408 symmetry related transformations. Fold (X^C1) == C2 as
8409 X == (C1^C2).
8411 2006-02-25 Juergen Weigert <jw@suse.de>
8412 Richard Guenther <rguenther@suse.de>
8414 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8416 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8418 * combine.c (gen_lowpart_or_truncate): Call
8419 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8421 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8423 * doc/invoke.texi: Move -fopenmp description to "Options for
8424 Code Generation".
8425 Remove reference to -lgomp.
8427 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8429 * doc/install.texi: Require GNU tar version 1.14.
8431 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8433 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8434 * doc/invoke.texi (C++ Dialect Options): Document
8435 -fno-use-cxa-get-exception-ptr.
8436 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8437 * configure: Regenerate.
8438 * c.opt (fuse-cxa-get-exception-ptr): New.
8439 * c-opts.c (c_common_handle_option): Handle
8440 OPT_fuse_cxa_get_exception_ptr.
8441 * c-common.c (flag_use_cxa_atexit): Update documentation.
8442 (flag_use_cxa_get_exception_ptr): New.
8443 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8444 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8445 documentation.
8446 (C_COMMON_OVERRIDE_OPTIONS): New.
8448 2006-02-24 Roger Sayle <roger@eyesopen.com>
8450 PR middle-end/24952
8451 * combine.c (try_combine): Explicitly check whether GET_CODE is
8452 a SET or a CLOBBER, instead on checking that it isn't a USE.
8454 2006-02-24 Roger Sayle <roger@eyesopen.com>
8456 * fold-const.c (fold_comparison): New subroutine of fold_binary
8457 containing transformations common to both the equality and
8458 ordering relational operators, factored out of fold_binary.
8459 (fold_binary): Separate out the equality operators (EQ_EXPR
8460 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8461 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8462 transformations common to both.
8463 (fold_div_compare): Fix latent bugs in the previously unreachable
8464 LT_EXPR and GE_EXPR cases.
8466 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8468 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8469 decl libname for clog to __clog on AIX.
8471 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8473 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8475 PR target/26453
8476 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8477 output traceback table for thunks. Localise rs6000_stack_info call.
8479 2006-02-23 Roger Sayle <roger@eyesopen.com>
8480 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8482 * gthr-posix.h (__gthrw): Fix typo in comment.
8484 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8486 * doc/cpp.texi (Character sets): Document that we do support
8487 input files to be in any character set.
8489 2006-02-23 Jeff Law <law@redhat.com>
8491 * tree.h (PHI_ARG_NONZERO): Remove.
8492 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8493 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8494 node to the new node.
8496 PR tree-optimization/26425
8497 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8498 min/max, then assume its varying.
8500 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8502 PR rtl-optimization/26316
8503 * rtlanal.c (enum may_trap_p_flags): New.
8504 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8505 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8506 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8507 (may_trap_after_code_motion_p): New function.
8508 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8509 (find_invariant_insn): Use may_trap_after_code_motion_p.
8510 * rtl.h (may_trap_after_code_motion_p): Declare.
8512 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8514 * emit-rtl.c (immed_double_const): Cleanup.
8516 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8518 Fix PR tree-optimization/26376
8519 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8520 remove assert.
8522 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8524 PR middle-end/26412
8525 * gimplify.c (omp_add_variable): Guard variable size decl test with
8526 DECL_SIZE (decl) check.
8528 2006-02-23 Richard Guenther <rguenther@suse.de>
8530 PR middle-end/26439
8531 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8532 like aggregate types.
8534 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8536 * configure.ac: Add --with{,out}-long-double-128 configure option.
8537 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8538 * configure: Rebuilt.
8539 * config.in: Rebuilt.
8540 * doc/install.texi (Options specification): Document
8541 --with-long-double-128.
8543 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8544 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8545 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8546 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8548 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8550 * config/s390/s390.c (override_options): Handle
8551 TARGET_DEFAULT_LONG_DOUBLE_128.
8553 * config/alpha/alpha.c (override_options): Handle
8554 TARGET_DEFAULT_LONG_DOUBLE_128.
8556 * config/sparc/sparc.c (sparc_override_options): Handle
8557 TARGET_DEFAULT_LONG_DOUBLE_128.
8559 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8561 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8562 (real-install-headers-tar, real-install-headers-cpio)
8563 (real-install-headers-cp): New targets.
8565 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8567 * tree.h (variable_section): Delete.
8568 * varasm.c (variable_section): Delete.
8570 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8572 * install.texi: Add notes on install.texi2html.
8573 (Building in parallel): Do not use footnotes.
8575 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8577 PR libgomp/26234
8578 * doc/install.texi (Configuration): Document --disable-libgomp.
8580 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8582 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8584 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8586 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8587 (vec_extractv2df_0_sse): New.
8589 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8591 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8592 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8593 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8594 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8595 to the result of the expression.
8596 (def_cfa_1): Adjust.
8597 (frame_pointer_cfa_offset): Rename to...
8598 (frame_pointer_fb_offset): ... this. Adjust all uses.
8599 (convert_cfa_to_loc_list): Rename to...
8600 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8601 Pass it on to build_cfa_loc.
8602 (compute_frame_pointer_to_cfa_displacement): Rename to...
8603 (compute_frame_pointer_to_fb_displacement): ... this. New
8604 offset parameter. Use it in computation.
8605 (gen_subprogram_die): Compute cfa_fb_offset with the new
8606 macro, and use it to compute the fb loc list and the
8607 displacement.
8609 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8611 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8612 replaced with register_operand.
8613 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8614 non-DREG is expensive.
8615 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8616 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8617 involving memory.
8619 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8621 * doc/install.texi2html: Use set -e.
8623 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8625 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8626 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8627 * doc/invoke.texi (-fshared-data): Delete.
8628 * common.opt (fshared-data): Delete.
8629 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8630 (assemble_static_space): Remove #if 0 code.
8631 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8632 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8633 * config/cris/cris.h: Remove FIXME.
8635 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8637 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8638 hooks.
8640 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8642 PR middle-end/26379
8643 * combine.c (simplify_shift_const_1): Disable nested shifts
8644 optimization for vector shifts.
8646 2006-02-20 Roger Sayle <roger@eyesopen.com>
8648 PR tree-optimization/26361
8649 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8650 of unsigned integer types.
8652 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8654 * tree-chrec.c (eq_evolutions_p): New.
8655 * tree-chrec.h (eq_evolutions_p): Declared.
8656 * tree-data-ref.c: Fix formatting.
8657 (datadep_stats, dependence_stats): New.
8658 (gcd): Moved...
8659 (print_direction_vector): New.
8660 (dump_data_dependence_relation): Use print_direction_vector.
8661 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8662 (compute_subscript_distance): Static.
8663 (initialize_data_dependence_relation): Static. Get the number
8664 of loops surrounding the references from the callers, and initialize
8665 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8666 base_object_differ_p analyzers.
8667 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8668 compute_overlap_steps_for_affine_1_2,
8669 analyze_subscript_affine_affine): Count the classified dependences.
8670 Print a message when a test failed.
8671 (can_use_analyze_subscript_affine_affine): New.
8672 (analyze_siv_subscript): Compute the data dependences on symbolic
8673 scevs that verify can_use_analyze_subscript_affine_affine.
8674 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8675 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8676 Handle symbolic scevs.
8677 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8678 analyzed.
8679 (subscript_dependence_tester): Moved...
8680 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8681 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8682 DDR_SIZE_VECT instead of getting it in parameter.
8683 (subscript_dependence_tester): ... here. Take as a parameter
8684 loop_nest_depth. Call build_classic_dist_vector and
8685 build_classic_dir_vector.
8686 (compute_affine_dependence): Update subscript_dependence_tester
8687 parameters. Update datadep_stats counters. Call
8688 compute_subscript_distance.
8689 (compute_self_dependence): Save the dist and dir vectors. Call
8690 compute_subscript_distance.
8691 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8692 (compute_all_dependences): Reorder parameters as they were before
8693 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8694 compute_subscript_distance. Update the use of
8695 compute_affine_dependence and initialize_data_dependence_relation.
8696 (find_data_references_in_loop): Handle COMPONENT_REF.
8697 (compute_data_dependences_for_loop): Initialize dependence_stats.
8698 Don't call build_classic_dist_vector and build_classic_dir_vector.
8699 Update the parameters of initialize_data_dependence_relation and
8700 compute_all_dependences. Print the statistics from datadep_stats.
8701 (analyze_all_data_dependences): Static. Not used until the pass for
8702 checking the data dependences is contributed.
8703 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8704 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8705 (initialize_data_dependence_relation, compute_affine_dependence,
8706 analyze_all_data_dependences, compute_subscript_distance): Removed.
8707 (print_direction_vector): New.
8708 * lambda.h (gcd): ... here.
8709 (lambda_vector_gcd): Moved here from gcd_vector.
8710 * lambda-code.c (gcd, gcd_vector): Removed.
8711 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8712 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8714 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8716 * ipa-type-escape.c: Tidy some comments and white space.
8717 * tree-ssa-operands.c: Likewise.
8719 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8721 PR tree-opt/25879
8722 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8723 (dump_decl_name): Do not walk the decl tree chains.
8724 * tree-pass.h (TDF_CHAIN): Remove.
8726 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8728 * Makefile.in (C): Remove
8729 (PROTO): Remove
8730 (.PHONY): Remove C and PROTO
8732 2006-02-20 Roger Sayle <roger@eyesopen.com>
8734 PR middle-end/26236
8735 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8736 deprecated CHAR_TYPE tree code.
8738 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8740 * configure.ac (target_list): Add install-info, dvi, html.
8741 * configure: Regenerate.
8743 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8744 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8745 treelang/Make-lang.in: Do not use double-colon rules.
8747 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8749 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8750 (TMT_USED_ALONE): New macro.
8751 * tree-pass.h (PROP_tmt_usage): New property.
8752 (TODO_update_tmt_usage): New todo.
8753 * tree-ssa-alias.c (updating_used_alone): New variable.
8754 (recalculate_used_alone): New function.
8755 (compute_may_aliases): Set updating_used_alone, call
8756 recalculate_used_alone.
8757 * tree-sra.c (pass_sra): Note that this pass destroys
8758 PROP_tmt_usage, and add TODO_update_tmt_usage.
8759 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8760 * tree-flow.h (updating_used_alone): Prototype.
8761 (recalculate_used_alone): Ditto.
8762 * passes.c (execute_todo): Add code to set updating_used_alone,
8763 and call recalculate.
8764 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8765 for clobber if used alone, and add assert to verify used_alone
8766 status.
8768 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8770 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8771 for non tls symbols added.
8772 (legitimize_address): Do nothing for PLUS expressions if one of the
8773 addends is a tls symbol reference.
8775 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8777 PR bootstrap/25476
8779 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8781 * Makefile.in (BOOTSTRAPPING): New.
8782 (quickstrap): New definition if BOOTSTRAPPING=yes.
8784 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8785 * configure.ac: Substitute all_selected_languages with the languages
8786 that were configured. For all the other variables except
8787 lang_specs_files, include all the languages in the tree.
8788 * configure: Regenerate.
8790 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8791 if there is one. Run the commands to run fixincludes in the same
8792 subshell.
8794 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8795 * doc/install.texi: Document exact conventions for searching target tools.
8796 Document --with-build-time-tools. Document toplevel bootstrap. Document
8797 something more about building an Ada cross-compiler. Don't list GNU Make
8798 requirements which affect all platforms.
8800 2006-02-19 Roger Sayle <roger@eyesopen.com>
8802 PR middle-end/19543
8803 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8804 only equivalent if the have both the same mode and precision.
8806 2006-02-20 Ben Elliston <bje@au.ibm.com>
8808 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8810 2006-02-19 Roger Sayle <roger@eyesopen.com>
8811 Steven Bosscher <stevenb.gcc@gmail.com>
8813 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8814 constant pool references to identify stack mode constants.
8815 * rtlanal.c (constant_pool_constant_p): New predicate to check
8816 whether operand is a floating point constant in the pool.
8817 * rtl.h (constant_pool_constant_p): Prototype here.
8818 * loop.c (scan_loop): Avoid hoisting constants from the constant
8819 pool on STACK_REGS targets.
8820 (load_mems): Likewise.
8821 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8822 loads into x87 registers expensive in terms of register pressure.
8824 2006-02-19 Roger Sayle <roger@eyesopen.com>
8826 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8827 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8829 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8831 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8832 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8834 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8836 * doc/invoke.texi: Document -fipa-pta.
8837 * common.opt: Add ipa-pta option.
8838 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8839 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8840 (do_ds_constraint): Ditto.
8841 (get_constraint_for): Only add to referenced_vars if
8842 referenced_vars exists.
8843 (insert_into_field_list): Rewrite to do this unsorted.
8844 (insert_into_field_list_sorted): Rename old insert_into_field_list
8845 to this.
8846 (create_function_info_for): Use insert_into_field_list_sorted.
8847 (create_variable_info_for): Rewrite so it uses unsorted version,
8848 since the field list is sorted.
8849 (intra_create_variable_infos): Only add to referenced_vars if
8850 referenced_vars exists.
8851 (ipa_pta_execute): Init heapvars, and delete when done.
8852 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8854 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8856 * doc/install.texi: Add missing `@samp'.
8858 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8860 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8861 Use the arguments.
8863 2006-02-18 Mark Wielaard <mark@klomp.org>
8865 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8866 who added new 4.1 features, bug fixes and integration support.
8868 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8870 PR target/26350
8871 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8872 MEM for ABI_V4 pic.
8874 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8876 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8877 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8878 (copy_insn_1): Likewise. Don't copy each field individually.
8879 Reindent.
8880 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
8881 of RTX_SIZE.
8882 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
8883 * rtl.c (rtx_size): Rename variable to...
8884 (rtx_code_size): ...this.
8885 (rtx_size): New function.
8886 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
8887 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
8888 Reindent.
8889 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8890 * rtl.h (rtx_code_size): New variable.
8891 (rtx_size): Change from a variable to a function.
8892 (RTX_SIZE): Rename to...
8893 (RTX_CODE_SIZE): ...this.
8895 PR target/9703
8896 PR tree-optimization/17106
8897 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8898 (Anchored Addresses): New section.
8899 * doc/invoke.texi (-fsection-anchors): Document.
8900 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8901 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8902 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8903 * hooks.c (hook_bool_mode_rtx_false): New function.
8904 * hooks.h (hook_bool_mode_rtx_false): Declare.
8905 * gengtype.c (create_optional_field): New function.
8906 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8907 SYMBOL_REF_IN_BLOCK_P is true.
8908 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8909 (min_anchor_offset, max_anchor_offset): Likewise.
8910 (use_anchors_for_symbol_p): New hook.
8911 * toplev.c (compile_file): Call output_object_blocks.
8912 (target_supports_section_anchors_p): New function.
8913 (process_options): Check that -fsection-anchors is only used on
8914 targets that support it and when -funit-at-a-time is in effect.
8915 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8916 if the decl doesn't have one.
8917 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8918 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8919 of force_const_mem through use_anchored_address.
8920 (expand_expr_constant): New function.
8921 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8922 calling expand_expr for INDIRECT_REF.
8923 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8924 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8925 * expr.h (use_anchored_address): Declare.
8926 * loop-unroll.c: Don't declare rtx vectors here.
8927 * explow.c: Include output.h.
8928 (validize_mem): Call use_anchored_address.
8929 (use_anchored_address): New function.
8930 * common.opt (-fsection-anchors): New switch.
8931 * varasm.c (object_block_htab, anchor_labelno): New variables.
8932 (hash_section, object_block_entry_eq, object_block_entry_hash)
8933 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8934 (use_blocks_for_decl_p, change_symbol_section): New functions.
8935 (get_variable_section): New function, split out from assemble_variable.
8936 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8937 use_blocks_for_decl_p say so. Use change_symbol_section if the
8938 symbol has already been created.
8939 (assemble_variable_contents): New function, split out from...
8940 (assemble_variable): ...here. Don't output any code for
8941 block symbols; just pass them to place_block_symbol.
8942 Use get_variable_section and assemble_variable_contents.
8943 (get_constant_alignment, get_constant_section, get_constant_size): New
8944 functions, split from output_constant_def_contents.
8945 (build_constant_desc): Create a block symbol if use_object_blocks_p
8946 says so. Or into SYMBOL_REF_FLAGS.
8947 (assemble_constant_contents): New function, split from...
8948 (output_constant_def_contents): ...here. Don't output any code
8949 for block symbols; just pass them to place_section_symbol.
8950 Use get_constant_section and get_constant_alignment.
8951 (force_const_mem): Create a block symbol if use_object_blocks_p and
8952 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8953 (output_constant_pool_1): Add an explicit alignment argument.
8954 Don't switch sections here.
8955 (output_constant_pool): Adjust call to output_constant_pool_1.
8956 Switch sections here instead. Don't output anything for block symbols;
8957 just pass them to place_block_symbol.
8958 (init_varasm_once): Initialize object_block_htab.
8959 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8960 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8961 (place_block_symbol, get_section_anchor, output_object_block)
8962 (output_object_block_htab, output_object_blocks): New functions.
8963 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8964 (TARGET_ASM_OUT): Include it.
8965 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8966 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8967 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8968 (TARGET_INITIALIZER): Include them.
8969 * rtl.c (rtl_check_failed_block_symbol): New function.
8970 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8971 (block_symbol, object_block): New structures.
8972 (rtx_def): Add a block_symbol field to the union.
8973 (BLOCK_SYMBOL_CHECK): New macro.
8974 (rtl_check_failed_block_symbol): Declare.
8975 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8976 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8977 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8978 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8979 * output.h (output_section_symbols): Declare.
8980 (object_block): Name structure.
8981 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8982 (default_use_anchors_for_symbol_p): Declare.
8983 * Makefile.in (RTL_BASE_H): Add vec.h.
8984 (explow.o): Depend on output.h.
8985 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8986 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8987 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8988 (rs6000_use_blocks_for_constant_p): New function.
8990 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8992 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8994 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8996 PR tree-opt/25680
8997 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8998 IMAGPART_EXPR.
9000 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9002 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9003 is_aliased.
9004 Update all users.
9006 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9008 PR middle-end/26334
9009 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9010 instead of DECL_REGISTER.
9012 2006-02-18 Olivier Hainque <hainque@adacore.com>
9014 PR ada/13408
9015 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9017 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9019 PR target/24837
9020 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9021 * opth-gen.awk: Handle Var and InverseMask together.
9022 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9023 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9024 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9025 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9026 used together.
9027 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9028 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9029 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9030 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9031 LINUX_DYNAMIC_LINKER): Define.
9032 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9033 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9034 TARGET_GLIBC.
9035 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9036 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9037 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9038 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9039 (TARGET_C99_FUNCTIONS): Don't define.
9040 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9041 GLIBC_DYNAMIC_LINKER.
9042 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9043 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9044 GLIBC_DYNAMIC_LINKER64): Define.
9045 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9046 LINUX_DYNAMIC_LINKER64.
9047 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9048 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9049 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9050 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9051 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9052 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9053 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9054 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9055 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9056 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9057 and LINUX_DYNAMIC_LINKER32.
9058 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9059 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9060 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9061 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9062 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9063 TARGET_GLIBC.
9064 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9065 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9066 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9067 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9068 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9069 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9070 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9071 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9072 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9073 LINUX_DYNAMIC_LINKER): Define.
9074 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9075 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9076 GLIBC_DYNAMIC_LINKER64): Define.
9077 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9078 LINUX_DYNAMIC_LINKER64.
9079 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9080 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9081 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9082 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9083 LINUX_DYNAMIC_LINKER): Define.
9084 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9085 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9086 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9087 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9088 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9089 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9090 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9091 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9092 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9093 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9094 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9095 * doc/invoke.texi (-muclibc): Remove caveat about supported
9096 targets.
9098 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9100 * doc/cpp.texi (__TIMESTAMP__): Document.
9102 2006-02-17 Roger Sayle <roger@eyesopen.com>
9104 PR middle-end/25600
9105 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9106 C is one less than the width of X (and related transformations).
9107 * simplify-rtx.c (simplify_unary_operation_1): Transform
9108 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9109 depending on STORE_FLAG_VALUE, were C is one less then the
9110 width of X.
9112 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9114 Fix PR tree-optimization/26341
9115 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9116 about NAME_MEMORY_TAG's.
9118 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9120 PR target/26255
9121 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9122 with hardware float support, and software float support. Add fcpy
9123 alternative to hardware patterns. Add alternatives to copy between
9124 general and floating-point registers to the 32-bit pattern.
9125 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9126 secondary reload to load a QI or HI mode constant into a floating
9127 point register.
9128 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9129 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9131 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9133 PR target/26272
9134 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9135 pc to the pattern.
9136 (load_macho_picbase_di): Likewise.
9138 2006-02-16 Jeff Law <law@redhat.com>
9140 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9141 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9142 (ssa_name_nonzero_p): Likewise.
9143 (get_value_range): Return NULL if VRP is not running.
9144 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9145 VRP routines do not discover a range.
9146 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9147 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9148 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9149 (tree_expr_nonnegative_p): Similarly.
9150 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9151 (restore_nonzero_vars_to_original_value): Remove.
9152 (unsafe_associative_fp_binop): Remove.
9153 (tree_ssa_dominator_optimize): Remove initialization and
9154 finalization of nonzero_vars and nonzero_vars_stack.
9155 (dom_opt_initialize_block): No longer push marker on
9156 nonzero_vars_stack.
9157 (dom_opt_finalize_block): No longer call
9158 restore_nonzero_vars_to_original_value.
9159 (record_equivalences_from_phis): No longer look for
9160 nonzero PHI arguments.
9161 (cprop_into_successor_phis): No longer propagate nonzero
9162 property into PHI arguments. Lose unused argument. Caller
9163 updated.
9164 (record_equivalences_from_stmt): No longer record nonzero
9165 values for SSA_NAMEs.
9166 (lookup_avail_expr): No longer use nonzero_vars.
9168 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9169 for sizetype when sizetype is unsigned.
9171 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9173 PR rtl-optimization/25603
9174 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9175 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9176 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9177 with new meaning of SETS.
9179 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9181 PR target/20353
9182 PR target/24578
9183 PR target/24837
9184 * config/linux.opt: New file.
9185 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9186 LINUX_DYNAMIC_LINKER): Define.
9187 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9188 * config.gcc (*-*-linux*): Define extra_options.
9189 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9190 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9191 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9192 GLIBC_DYNAMIC_LINKER.
9193 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9194 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9195 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9196 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9197 * doc/invoke.texi (GNU/Linux Options): New section.
9199 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9201 * config/sparc/sparc.md (setjmp): Rewrite.
9202 (setjmp_32): Delete.
9203 (setjmp_64): Likewise.
9205 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9207 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9208 previous change.
9210 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9212 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9213 read-write uses.
9215 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9217 PR rtl-optimization/26296
9218 * Makefile.in (loop-invariant.c): Add except.h dependency.
9219 * loop-invariant.c: Include except.h.
9220 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9222 2005-02-16 Paul Brook <paul@codesourcery.com>
9224 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9225 for reloads.
9227 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9229 PR rtl-optimization/25636
9230 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9231 when deciding whether an insn is an initializing insn.
9233 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9235 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9236 (tree_code_size): Ditto.
9237 * tree.h (struct tree_memory_tag): Remove parent_var.
9238 (struct tree_struct_field_tag): New.
9239 (SFT_OFFSET): New.
9240 (SFT_SIZE): New.
9241 (union tree_node): Add sft member.
9242 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9243 specially here.
9244 (create_sft): Add size and offset argument, set SFT_OFFSET and
9245 SFT_SIZE.
9246 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9247 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9248 * tree-flow-inline.h (get_subvar_at): Update for
9249 SFT_OFFSET/SFT_SIZE.
9250 (var_can_have_subvars): Ditto.
9251 (overlap_subvar): Ditto.
9252 * print-tree.c (print_node): Print out interesting things for
9253 SFT's.
9254 * tree-flow.h (struct subvar): Remove offset and size members.
9255 * tree-ssa-operands.c (get_expr_operands): Update for
9256 get_indirect_ref_operands changes.
9257 (get_indirect_ref_operands): Call add_virtual_operand instead of
9258 add_stmt_operand. Only recurse on base var if requested.
9259 (access_can_touch_variable): New function.
9260 (add_stmt_operand): Split virtual operand handling into ...
9261 (add_virtual_operand): Here. Add offset, size, and for_clobber
9262 arguments. Prune alias sets.
9263 (add_call_clobber_ops): Call add_virtual_operand.
9265 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9267 PR middle-end/26300
9268 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9270 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9271 than TREE_CODE as index into omp_clause_num_ops array.
9273 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9275 PR rtl-optimization/26184
9276 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9277 uses_of_defs.
9278 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9279 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9280 must_precede, must_follow and tobe_scheduled.
9282 PR other/26147
9283 * opts.c (common_handle_option): Free new_option pointer.
9284 * df-core.c (df_analyze): Free postorder pointer.
9286 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9288 * Makefile.in: Fix the examples about the use of stamps
9290 2006-02-15 Michael Matz <matz@suse.de>
9292 PR middle-end/22275
9294 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9295 influenced by maximum_field_alignment or DECL_PACKED.
9296 (update_alignment_for_field): Ditto.
9297 (place_field): Ditto.
9298 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9299 this behaviour.
9301 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9303 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9304 (debug_flow_info): Pass it.
9305 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9306 * bb-reorder.c (reorder_basic_blocks): Likewise.
9307 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9308 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9309 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9310 * gcse.c (gcse_main, bypass_jumps): Likewise.
9311 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9312 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9313 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9314 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9315 * rtl.h (dump_flow_info): Adjust prototype.
9316 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9317 * var-tracking.c (variable_tracking_main): Likewise.
9318 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9319 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9320 options.
9322 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9324 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9325 construction.
9327 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9329 PR tree-optimization/26209
9330 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9331 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9332 eh edges.
9333 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9335 2006-02-14 Roger Sayle <roger@eyesopen.com>
9337 PR middle-end/23670
9338 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9339 (X,Y) and the corresponding symmetry related transformations.
9340 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9341 (X,Y) and its symmetry related transformations.
9343 2006-02-14 Roger Sayle <roger@eyesopen.com>
9345 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9346 and GEU.
9348 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9350 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9352 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9354 PR bootstrap/26053
9355 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9356 support COMDAT group.
9357 * configure: Regenerate.
9359 2006-02-14 Roger Sayle <roger@eyesopen.com>
9361 PR middle-end/26279
9362 PR middle-end/26280
9363 PR middle-end/26283
9364 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9366 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9368 Fix PR tree-optimization/26260
9370 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9371 param.
9372 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9373 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9374 * tree-ssa-structalias.c (create_variable_info_for): Use
9375 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9377 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9379 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9380 Document.
9381 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9382 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9383 of the ending condition.
9384 * tree-ssa-loop-manip.c: Include params.h.
9385 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9386 tree_unroll_loop): New functions.
9387 * tree-pass.h (pass_loop_prefetch): Declare.
9388 * loop.c (rest_of_handle_loop_optimize): Test for
9389 -fprefetch-loop-arrays-rtl.
9390 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9391 * timevar.def (TV_TREE_PREFETCH): New timevar.
9392 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9393 pass_loop_prefetch): New.
9394 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9395 (cleanup_tree_cfg_loop): Call scev_reset.
9396 * common.opt (fprefetch-loop-arrays-rtl): Add.
9397 * tree-ssa-loop-prefetch.c: New file.
9398 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9399 (new_temp_expr_table): Initialize expr_vars.
9400 (free_temp_expr_table): Cleanup expr_vars.
9401 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9402 expressions from being merged into one.
9403 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9404 (struct tree_niter_desc): Add control, bound and cmp fields.
9405 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9406 Declare.
9407 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9408 (tree-cfgcleanup.o): Add SCEV_H dependency.
9409 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9410 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9412 2006-02-14 Richard Guenther <rguenther@suse.de>
9414 PR tree-optimization/26258
9415 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9416 in PHI argument processing.
9418 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9420 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9421 new expression in the requested machine mode.
9423 2006-02-13 Roger Sayle <roger@eyesopen.com>
9425 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9426 directly, instead let do_compare_rtx_and_jump handle this for us.
9427 * expr.c (expand_expr_real_1): Likewise.
9428 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9429 before do_jump_by_parts_greater.
9430 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9431 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9433 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9435 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9437 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9439 PR rtl-optimization/26235
9440 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9441 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9442 format.
9444 2006-02-13 Jeff Law <law@redhat.com>
9446 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9447 TRUTH_XOR_EPR.
9449 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9451 PR middle-end/26092
9452 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9453 twice if decl is a builtin. When trying again, call get_callee_fndecl
9454 first to verify it is still a builtin.
9456 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9458 * dwarf2out.c (base_type_die): Don't add AT_name here.
9459 (subrange_type_die): Don't add AT_name here.
9460 (modified_type_die): Rearrange code flow. Do add AT_name here.
9462 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9464 PR rtl-optimization/26247
9465 PR rtl-optimization/26248
9466 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9468 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9470 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9471 * config/fixtfdi.c: Likewise.
9472 * config/fixunstfdi.c: Likewise.
9473 * config/floatditf.c: Likewise.
9475 2006-02-13 Roger Sayle <roger@eyesopen.com>
9477 PR middle-end/24427
9478 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9479 into (X,C2) if C1 is a subset of the bits of C2. Transform
9480 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9481 (X&(C1&~C2))|C2.
9482 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9484 2006-02-13 Josh Conner <jconner@apple.com>
9486 PR target/25376
9487 * varasm.c (function_section): Check for section name before
9488 calling select_section on targets that define
9489 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9490 unlikely_text_section instead of hot_function_section if
9491 first_function_block_is_cold.
9493 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9495 PR middle-end/25335
9496 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9498 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9500 PR rtl-optimization/26222
9501 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9502 after tree->rtl expansion.
9503 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9504 before passing it to emit_move_insn.
9506 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9508 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9509 default.
9510 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9511 Clarify documentation.
9512 * c-common.h (warn_write_strings): Remove.
9513 * c-common.c (warn_write_strings): Likewise.
9514 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9515 default for C++.
9517 2006-02-12 Roger Sayle <roger@eyesopen.com>
9519 PR middle-end/25724
9520 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9521 (do_jump_parts_zero_rtx): New function renamed from
9522 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9523 (do_jump_parts_equality_rtx): New function split out from
9524 do_jump_parts_equality. Old implementation renamed as above.
9525 Call do_jump_parts_zero_rtx if either operand is zero.
9526 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9527 do all of the heavy lifting.
9528 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9529 calling either do_jump_by_parts_greater_rtx or
9530 do_jump_by_parts_equality_rtx.
9531 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9532 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9533 moved to do_compare_rtx_and_jump, call it directly.
9534 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9535 mode argument. Call do_compare_rtx_and_jump.
9536 (emit_case_nodes): Update calls to do_jump_if_equal.
9538 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9540 PR rtl-optimization/26225
9541 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9543 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9545 PR rtl-optimization/26232
9546 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9548 2006-02-11 Jason Merrill <jason@redhat.com>
9550 PR tree-opt/24365
9551 * tree-inline.c (declare_return_variable): Just don't use the
9552 modify target if it's a gimple complex reg and the return slot
9553 isn't.
9555 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9557 * doc/contrib.texi: Update my entry.
9559 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9561 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9563 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9565 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9566 expensive.
9568 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9570 * doc/invoke.texi (-floop-optimize2): Removed.
9571 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9572 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9573 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9574 * common.opt (floop-optimize2): Removed.
9575 (fmove-loop-invariants): Enabled by default.
9577 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9579 * tree-if-conv.c (combine_blocks): Free the result of
9580 get_loop_exit_edges.
9582 2006-02-10 Jeff Law <law@redhat.com>
9584 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9586 PR tree-optimization/26213
9587 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9588 loop trying to follow SSA_NAME_VALUE chains.
9590 2006-02-10 Richard Guenther <rguenther@suse.de>
9592 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9593 deal with structures that end in implicitly variable sized arrays.
9595 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9597 PR rtl-optimization/24762
9598 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9599 eh edges.
9601 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9603 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9604 (struct ivopts_data): Add regs_used field.
9605 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9606 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9607 instead of loop_data->regs_used;
9608 (free_loop_data): Do not free aux fields for loops.
9609 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9610 and tree_ssa_iv_optimize_finalize.
9612 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9614 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9616 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9618 PR target/26141
9619 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9620 computing the effective result type.
9622 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9624 PR inline-asm/16194
9625 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9626 (tree_overlaps_hard_reg_set): Declare.
9627 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9628 type and signature to match function type expected by walk_tree.
9629 (tree_overlaps_hard_reg_set): New function.
9630 (decl_conflicts_with_clobbers_p): Rename to:
9631 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9632 Use tree_overlaps_hard_reg_set. Changed caller.
9633 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9634 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9635 * cris.c (cris_md_asm_clobbers): Likewise.
9637 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9639 * reload1.c (emit_input_reload_insns): Delete code that tries to
9640 inherit using find_equiv_reg.
9642 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9644 * c-common.h (flag_const_strings): Don't declare.
9645 * c-common.c (flag_const_strings): Remove.
9646 * c.opt (fconst_strings): Remove.
9647 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9648 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9649 (c_common_init_options): Don't set flag_const_strings.
9650 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9652 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9654 * arm.md (tlobits_cbranch): New pattern.
9655 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9656 testing a single bit.
9658 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9660 PR tree-opt/26179
9661 * tree-ssa-pre.c (create_component_ref_by_pieces):
9662 Handle RETURN_DECL like VAR_DECL.
9664 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9666 PR middle-end/26134
9667 * fold-const.c (fold_indirect_ref_1): Fold
9668 "*(foo *)&complexfoo" to "__real__ complexfoo"
9669 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9671 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9673 * tree-flow-inline.h (var_can_have_subvars):
9674 Volatile variables should not have subvariables.
9676 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9678 PR 26180
9679 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9680 multiplying unsigned values.
9681 Tidy comments.
9683 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9685 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9687 2006-02-08 Jason Merrill <jason@redhat.com>
9689 PR c++/25979
9690 * tree.def: Elaborate on difference from MODIFY_EXPR.
9691 * doc/c-tree.texi (INIT_EXPR): Likewise.
9692 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9693 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9694 (gimplify_target_expr): Likewise.
9695 (gimplify_cond_expr): Remove target handling.
9696 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9697 (gimplify_expr): Clobber it here.
9698 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9699 Do return slot optimization if we have an INIT_EXPR.
9701 PR tree-opt/24365
9702 * tree-inline.c (declare_return_variable): Also clear
9703 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9705 PR c++/16405
9706 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9708 PR middle-end/22439
9709 * gimplify.c (gimplify_one_sizepos): Fix typo.
9711 2006-02-08 Jeff Law <law@redhat.com>
9713 PR tree-optimization/21417
9714 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9715 across a backedge if the control statement at the end of the
9716 block is data dependent on other statements in the same block.
9717 (record_temporary_equivalences_from_stmts): Remove over-conservative
9718 test for threading across backedges.
9720 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9721 control statement, handle all three special cases in the same
9722 manner as they all have the same desired solution. No longer
9723 special case edge flag updating when the post dominator is
9724 the exit block.
9726 2006-02-08 Roger Sayle <roger@eyesopen.com>
9728 * tree.def (CHAR_TYPE): Remove.
9729 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9730 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9731 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9732 (gen_string_type_die): Delete unreachable function.
9734 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9735 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9736 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9737 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9738 * builtins.c (type_to_class): Likewise.
9739 * fold-const.c (fold_convert, build_range_check,
9740 merge_ranges): Likewise.
9741 * expr.c (count_type_elements): Likewise.
9742 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9743 * stor-layout.c (layout_type): Likewise.
9744 * ipa-type-escape.c (type_to_consider): Likewise.
9745 * gimplify.c (omp_firstprivatize_type_sizes,
9746 gimplify_type_sizes): Likewise.
9747 * explow.c (promote_mode): Likewise.
9748 * tree-sra.c (is_sra_scalar_type): Likewise.
9749 * varasm.c (output_constant): Likewise.
9750 * tree-inline.c (remap_type_1): Likewise.
9751 * convert.c (convert_to_pointer, convert_to_real,
9752 convert_to_integer, convert_to_complex): Likewise.
9754 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9756 * df-scan.c (df_def_record_1): A set destination may
9757 be a parallel regardless of mode.
9759 2006-02-08 Roger Sayle <roger@eyesopen.com>
9761 PR target/22209
9762 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9763 * config/mips/_tilib.c: Remove.
9764 * config/fixtfdi.c: New libgcc source file.
9765 * config/fixunstfdi.c: New source file.
9766 * config/floatditf.c: New source file.
9767 * config/floatunditf.c: New souce file.
9768 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9769 files above instead of config/mips/_tilib.c.
9770 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9772 2006-02-08 Jeff Law <law@redhat.com>
9774 PR tree-optimization/26169
9775 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9776 threading jumps.
9778 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9780 * df.h (DF_REG_SIZE): Return the length of the initialized
9781 part of the array.
9783 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9785 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9786 __muldf3): Return a correctly signed zero.
9788 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9790 * passes.c (register_one_dump_file): Accept the current properties
9791 instead of pass number. Adjust call to dump_register. Remove
9792 duplicated code.
9793 (register_dump_files): Now a wrapper around...
9794 (register_dump_files_1): ... this one. Do not modify the pass
9795 structure.
9796 (next_pass_1): Cosmetic fix.
9797 (execute_todo): Keep second parameter only. Use curr_properties
9798 instead of fetching it from the pass structure. Check and set
9799 last_verified.
9800 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9801 instead of fetching it from the pass structure. Fix calls to
9802 execute_todo. Update curr_properties and initialize .vcg RTL dump
9803 after running the pass. Reset last_verified.
9804 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9805 at the beginning.
9806 (FIRST_AUTO_NUMBERED_DUMP): New.
9807 (dump_register): Remove "num" parameter, assign it within the
9808 function.
9809 (get_dump_file_name): Modify template for dumps.
9810 * tree-dump.h (dump_register): Adjust prototype.
9811 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9812 (PROP_trees): Add PROP_gimple_lomp.
9813 (TODO_set_props): New.
9814 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9815 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9816 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9818 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9820 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9821 (sparc64-*-linux*): Likewise.
9822 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9823 * config/sparc/t-linux: New file.
9824 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9825 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9826 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9827 -m32 -mlong-double-128.
9829 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9830 * config/alpha/t-linux: New file.
9831 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9833 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9834 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9835 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9836 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9837 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9838 (CPP_ARCH32_SPEC): Remove.
9840 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9842 PR tree-optimization/26145
9843 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9844 bbs pointer.
9846 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9848 PR target/26109
9849 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9850 >= 240000 when generating code for SOM runtime.
9851 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9852 to $$dyncall when generating code for SOM runtime..
9854 2006-02-07 Dirk Mueller <dmueller@suse.com>
9856 PR c++/18150
9857 * doc/invoke.texi (-Wsequence-point): Update documentation
9858 that -Wsequence-point is implemented for C++ as well.
9860 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9862 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9863 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9864 (LIB_SPEC): Likewise.
9865 * doc/invoke.texi (SPARC options): Document -pthread.
9867 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9869 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9870 PIC addresses.
9872 2006-02-07 Roger Sayle <roger@eyesopen.com>
9874 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9875 Correct comment describing BOOLEAN_TYPE.
9877 2006-02-07 Dirk Mueller <dmueller@suse.com>
9879 * c.opt: C++ frontend supports -Wdiv-by-zero.
9880 * c-opts.c (c_common_handle_option): Remove dead case.
9882 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9884 * configure.ac (TLS assembler check): Do not enable TLS by
9885 default on SPARC/Solaris before version 10.
9886 * configure: Regenerate.
9888 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9890 * doc/invoke.texi (xl-compat): Document conversion and support
9891 routine names.
9893 2006-02-07 Jeff Law <law@redhat.com>
9895 * tree-vrp.c (find_conditional_asserts): Update comments.
9896 (simplify_stmt_for_jump_threading): New.
9897 (identify_jump_threads, finalize_jump_threads): New.
9898 (vrp_finalize): Call identify_jump_threads.
9899 (execute_vrp): Call finalize_jump_threads.
9900 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9901 (vrp_element, vrp_data, vrp_element_p): Remove.
9902 (vrp_hash_elt, vrp_variables_stack): Remove.
9903 (vrp_hash, vrp_eq, record_range): Remove.
9904 (simplify_cond_and_lookup_avail_expr): Remove.
9905 (extract_range_from_cond): Remove.
9906 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9907 (simplify_stmt_for_jump_threading): New.
9908 (dom_thread_across_edge): New wrapper.
9909 (tree_ssa_dominator_optimize): No longer initialize or
9910 finalize any of the VRP datastructures. Remove iteration
9911 step and simplify as a result of removal of iteration step.
9912 (pass_dominator): Perform a cfg cleanup after DOM.
9913 (dom_opt_finalize_block): Use the new common routines
9914 for threading jumps. Simplify stack management slightly.
9915 No longer need to unwind VRP state.
9916 (record_equivalences_from_incoming_edge): No longer record
9917 VRP information.
9918 (eliminate_redundant_computations): No longer call
9919 simplify_cond_and_lookup_avail_expr.
9920 * tree-flow.h (potentially_threadable_block): Prototype.
9921 (thread_across_edge): Likewise.
9922 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9923 (tree-ssa-threadedge.o): Add dependencies.
9924 * tree-ssa-threadedge.c: New file.
9925 * passes.c (init_optimization_passes): Merge PHIs before
9926 calling VRP. Run VRP again late in the SSA optimization pipeline.
9928 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9930 * df-core.c (df_set_blocks): Do not dereference function pointers.
9931 (df_finish1): Likewise.
9932 (df_hybrid_search_forward): Likewise.
9933 (df_hybrid_search_backward): Likewise.
9934 (df_iterative_dataflow): Likewise.
9935 (df_analyze_problem): Likewise.
9936 (df_compact_blocks): Likewise.
9937 (df_dump): Likewise.
9938 * df-scan.c (df_rescan_blocks): Likewise.
9939 (df_record_entry_block_defs): Likewise.
9941 * genconditions.c (write_conditions): Guard the definition of
9942 'insn_conditions' with the check on GCC version.
9943 (write_writer): Guard the traversal 'insn_conditions' with
9944 the check on GCC version.
9946 2006-02-07 Richard Guenther <rguenther@suse.de>
9948 PR c++/26140
9949 Revert
9950 2006-01-30 Richard Guenther <rguenther@suse.de>
9951 PR c++/23372
9952 * gimplify.c (gimplify_target_expr): Handle easy cases
9953 without creating a temporary.
9955 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9957 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9958 use of float in probability computations. Use edge probabilities
9959 in place of statically computed probabilities.
9960 (min_spec_prob): New static variable.
9961 (schedule_insns): Initialize it.
9962 (GET_SRC_PROB): Removed.
9963 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9965 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9967 PR debug/24444
9968 * config/ia64/unwind-ia64.c: Revert last change.
9969 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9970 (INCOMING_FRAME_SP_OFFSET): Define.
9972 2006-02-06 Roger Sayle <roger@eyesopen.com>
9974 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9976 2006-02-07 Ben Elliston <bje@au.ibm.com>
9978 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9979 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9980 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9981 (ix86_return_in_memory): Handle TDmode.
9982 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9983 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9985 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9987 * reorg.c (dbr_schedule): Use dump_file instead of file.
9989 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9991 PR target/25917
9992 * config/ia64/predicates.md (extr_len_operand): New predicate.
9993 * config/ia64/ia64.md (extv): Tighten constraints.
9994 (extzv): Ditto.
9995 (*tbit_and_2): Ditto.
9996 (*tbit_and_3): Ditto.
9997 (*tbit_or_2): Ditto.
9998 (*tbit_or_3): Ditto.
9999 (*bit_zero): Ditto.
10000 (*bit_one): Ditto.
10002 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10004 PR target/23359
10005 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10007 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10009 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10010 loop_optimizer_init and loop_optimizer_finalize
10011 * tree-ssa-sink.c (execute_sink_code): Ditto.
10012 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10013 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10014 tree_ssa_loop_done): Ditto.
10015 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10016 * sched-ebb.c: Include output.h.
10017 (schedule_ebbs): Do not use dump argument.
10018 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10019 * loop.c (loop_dump_stream): Removed.
10020 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10021 argument.
10022 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10023 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10024 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10025 loop_iterations, strength_reduce, record_biv, record_giv,
10026 final_giv_value, check_final_value, check_ext_dependent_givs,
10027 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10028 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10029 dump_file instead of loop_dump_stream.
10030 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10031 argument dump_file.
10032 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10033 dump argument.
10034 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10035 * haifa-sched.c: Include output.h
10036 (schedule_insns, sched_init): Do not use dump argument.
10037 * mode-switching.c (optimize_mode_switching): Ditto.
10038 * modulo-sched.c (stats_file): Removed.
10039 (print_node_sched_params): Do not call argument dump_file.
10040 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10041 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10042 of stats_file.
10043 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10044 use dump argument.
10045 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10046 rtl_loop_init, rtl_loop_done): Ditto.
10047 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10048 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10049 Ditto.
10050 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10051 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10052 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10053 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10054 * emit-rtl.c (renumber_insns): Ditto.
10055 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10056 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10057 * regclass.c (regclass): Ditto.
10058 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10059 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10060 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10061 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10062 Ditto.
10063 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10064 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10065 to regclass.
10066 * gcse.c (gcse_file, debug_stderr): Removed.
10067 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10068 rest_of_handle_gcse): Do not use dump argument.
10069 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10070 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10071 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10072 compute_code_hoist_vbeinout, compute_code_hoist_data,
10073 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10074 compute_store_table, build_store_vectors, insert_insn_start_bb,
10075 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10076 store_motion): Use dump_file instead of gcse_file.
10077 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10078 * profile.c (profile_dump_file): Removed.
10079 (branch_prob): Use dump_file instead of profile_dump_file.
10080 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10081 dump_file.
10082 * tree-ssa-copy.c (dump_copy_of): Ditto.
10083 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10084 dump file to life_analysis.
10085 * bt-load.c (branch_target_load_optimize): Ditto.
10086 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10087 renumber_insns.
10088 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10089 regclass, dbr_schedule): Declaration changed.
10090 * sched-int.h (sched_init): Declaration changed.
10091 * tree-profile.c (tree_profile_dump_file): Removed.
10092 (tree_profile_hooks): Removed profile_dump_file hook.
10093 * rtl-profile (rtl_profile_dump_file): Removed.
10094 (rtl_profile_hooks): emoved profile_dump_file hook.
10095 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10096 changed.
10097 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10098 * tree-cfg.c (build_tree_cfg): Ditto.
10099 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10100 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10101 Declaration changed.
10102 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10103 life_analysis and schedule_insns.
10104 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10105 life_analysis.
10106 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10107 dbr_schedule.
10108 * config/mips/mips.c (mips_reorg): Ditto.
10109 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10110 schedule_ebbs.
10112 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10114 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10115 (s390_mangle_fundamental_type): New.
10116 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10117 Define.
10119 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10120 (alpha_mangle_fundamental_type): New.
10121 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10122 Define.
10124 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10125 Define.
10126 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10127 Define.
10128 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10129 (sparc_mangle_fundamental_type): New.
10131 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10133 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10134 (s390x-*-linux*): Likewise.
10135 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10136 * config/s390/t-linux: New file.
10138 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10140 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10141 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10143 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10145 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10146 (ANTIC_SAFE_LOADS): New macro.
10147 (find_or_generate_expression): Add prototype.
10148 (set_contains_value): Allow null set for sake of not always having
10149 to allocate ANTIC_SAFE_LOADS.
10150 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10151 Allow COMPONENT_REF too.
10152 (valid_in_set): Allow COMPONENT_REF.
10153 Check ANTIC_SAFE_LOADS too.
10154 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10155 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10156 rename.
10157 (can_PRE_operation): Add COMPONENT_REF.
10158 (create_component_ref_by_pieces): New function.
10159 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10160 (insert_aux): Move AGGREGATE_TYPE_P check here.
10161 (compute_avail): Set bb local stmt uids.
10162 (pass_pre): Use TODO_update_ssa_only_virtuals.
10164 2006-02-06 Ben Elliston <bje@au.ibm.com>
10166 * configure.ac: Unconditionally disable decimal float by default.
10167 * configure: Regenerate.
10169 2006-02-06 Ben Elliston <bje@au.ibm.com>
10171 * read-rtl.c (read_name): Terminate reading on EOF.
10173 2006-02-06 Ben Elliston <bje@au.ibm.com>
10175 * dfp.c (decimal_real_arithmetic): Change second argument type
10176 from int to enum tree_code. Do not always return true, but now
10177 return result of any call to decimal_do helper functions.
10178 * dfp.h (decimal_real_arithmetic): Update prototype.
10180 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10182 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10184 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10186 PR tree-opt/25251
10187 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10188 forced labels.
10190 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10192 * tree-vrp.c (cfg_loops): Removed.
10193 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10194 Use current_loops instead of cfg_loops. Pass flags to
10195 loop_optimizer_init.
10196 * cfgloopmanip.c (fix_loop_structure): Update only available
10197 information.
10198 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10199 loop_optimizer_init.
10200 * modulo-sched.c (build_loops_structure): Removed.
10201 (sms_schedule): Use loop_optimizer_init.
10202 * loop-init.c (loop_optimizer_init): Use flags to determine
10203 which properties of loops to prepare.
10204 (rtl_loop_init): Pass flags to loop_optimizer_init.
10205 * tree-ssa-sink.c (execute_sink_code): Ditto.
10206 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10207 * tree-ssa-pre.c (init_pre): Ditto.
10208 * cfgloop.h (LOOPS_NORMAL): New.
10209 (loop_optimizer_init): Declaration changed.
10211 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10213 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10214 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10215 pa/t-pa.
10216 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10217 pa/t-pa.
10218 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10219 pa/x-ada.
10220 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10221 * pa/t-pa64: Delete quadlib.c rule.
10222 * pa/x-ada: Revert last change.
10223 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10225 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10227 PR rtl-optimization/26087
10228 * rtlanal.c (canonicalize_condition): Do not cross basic block
10229 boundaries.
10231 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10233 PR debug/24444
10234 * config/ia64/ia64.c: Include debug.h.
10235 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10236 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10237 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10238 (process_epilogue, process_set, process_for_unwind_directive):
10239 Output unwind info only if requested. Add CFA info if requested.
10240 Add new arguments as needed. Adjust callers.
10241 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10242 incorrect default.
10243 (DWARF2_FRAME_INFO): Define to zero.
10244 * config/ia64/unwind-ia64.c: Remove code that compensated for
10245 the CFA offset error fixed above.
10246 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10247 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10248 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10249 -funwind-tables and -fexceptions to enable frame info.
10250 (dwarf2out_frame_init): Define initial CFA even if
10251 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10252 DWARF2_UNWIND_INFO is nonzero, not just defined.
10253 (dwarf2out_frame_finish): Output non-EH call frame info only
10254 if DWARF2_FRAME_INFO is nonzero.
10255 (convert_cfa_to_loc_list,
10256 compute_frame_pointer_to_cfa_displacement): Define even if
10257 unwind info is not supported.
10258 (gen_subprogram_die): Use the above unconditionally. Remove
10259 legacy alternate code.
10260 * toplev.c (compile_file): Compile in call to
10261 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10262 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10264 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10265 Jakub Jelinek <jakub@redhat.com>
10267 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10268 IBM extended float format long double as "g" on powerpc*-linux.
10270 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10272 PR target/25926
10273 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10274 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10276 2006-02-03 Jason Merrill <jason@redhat.com>
10278 PR c++/25979
10279 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10281 PR middle-end/25977
10282 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10283 on the return slot if it's an NRV.
10285 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10287 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10288 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10289 rewrite_use): Do not handle USE_OUTER.
10290 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10291 add_iv_outer_candidates, may_replace_final_value,
10292 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10293 (find_interesting_uses_op): Functionality of
10294 find_interesting_uses_outer_or_nonlin moved here.
10295 (find_interesting_uses_outside): Use find_interesting_uses_op.
10297 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10299 PR target/25960
10300 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10302 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10303 Ulrich Weigand <uweigand@de.ibm.com>
10305 PR target/25864
10306 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10307 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10308 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10309 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10310 and dxr fields.
10311 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10312 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10313 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10314 Define secondary reloads for TFmode moves.
10315 (constant_modes): Add TFmode.
10316 (NR_C_MODES): Set to 8.
10317 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10318 builtin define.
10319 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10320 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10321 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10322 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10323 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10324 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10325 (FPR mode macro): Add TFmode.
10326 (DSF mode macro): New.
10327 (<de>, <dee> mode attributes): Removed.
10328 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10329 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10330 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10331 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10332 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10333 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10334 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10335 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10336 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10337 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10338 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10339 "*negabs<mode>2", "sqrt<mode>2"):
10340 Changed <de> to <xde>. R constraint replaced by <Rf>.
10341 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10342 <Rf>.
10343 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10344 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10345 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10346 splitters.
10347 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10348 "extenddftf2", "extendsftf2"): New expanders.
10349 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10350 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10351 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10352 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10353 New options.
10354 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10355 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10356 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10357 __floatditf): Add a GCC_4.1.0 symbol version tag.
10358 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10359 the new options.
10361 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10363 PR target/25377
10364 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10365 Use targetm.binds_local_p instead of TREE_PUBLIC.
10367 2006-02-02 Roger Sayle <roger@eyesopen.com>
10369 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10370 on INTEGER_TYPEs to indicate that it denotes a character type.
10371 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10372 signed_char_type_node, unsigned_char_type_node and char_type_node.
10373 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10374 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10375 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10377 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10378 Daniel Berlin <dberlin@dberlin.org>
10380 * tree-tailcall.c (arg_needs_copy_p): New function.
10381 (eliminate_tail_call): Use arg_needs_copy_p.
10382 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10383 (add_virtual_phis): New function.
10385 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10387 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10388 #ignore instead of #scratch for %g7 .register directive.
10390 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10392 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10393 object files.
10395 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10397 * flow.c (calculate_global_regs_live): Assert that there aren't any
10398 EDGE_FAKE edges.
10400 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10402 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10403 what its name says.
10404 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10405 bsi_after_labels iterator.
10406 * tree-if-conv.c (find_phi_replacement_condition,
10407 replace_phi_with_cond_modify_expr): Likewise.
10408 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10409 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10411 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10413 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10415 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10417 PR 25990
10418 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10419 array after growing it.
10421 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10423 PR middle-end/24901
10424 * fold-const.c (fold_checksum_tree): Change type of buf.
10426 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10428 * reload.c (push_secondary_reload): Initialize t_icode.
10430 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10432 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10433 -msoft-float -mlong-double-128 only issue a warning, but don't
10434 swich to DFmode long double.
10436 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10438 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10439 has a constant equivalent, iterate over equivalents for arg0,
10440 calling simplify_relational_operation and if there's a result
10441 cheaper than X, apply fold_rtx and return the result.
10443 2006-02-01 Jan Hubicka <jh@suse.cz>
10445 * opts.c (no_unit_at_a_time_default): New global variable.
10446 (decode_options): Use it.
10447 * opts.h (no_unit_at_a_time_default): Declare.
10449 2006-02-01 Paul Brook <paul@codesourcery.com>
10451 * function.c (assign_parm_setup_reg): Use function argument promotion
10452 rules.
10453 * expr.c (expand_expr_real_1): Use function argument promotion rules
10454 for PARM_DECLs.
10456 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10458 * gcc.c (process_command): Change j to 'unsigned int'.
10460 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10462 PR middle-end/26001
10463 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10464 Use the corrected index for the character
10465 out of the string constant.
10467 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10469 * mode-switching.c (optimize_mode_switching): Fix size
10470 allocated for bb_info[n_entities].
10472 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10474 * gcc.c (main): Correct type that is allocated for
10475 explicit_link_files.
10477 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10479 * config/s390/s390.c (init_alignment_context): Set
10480 ALIAS_SET_MEMORY_BARRIER on the MEM.
10481 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10483 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10485 PR middle-end/25933
10486 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10487 dom_bbs pointer.
10488 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10489 call to tpa_init.
10491 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10493 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10494 * regrename.c: Ditto.
10495 * tree-ssa-loop-im.c: Ditto.
10496 * tree-dump.c: Ditto.
10497 * tree-complex.c: Ditto.
10498 * genrecog.c: Ditto.
10499 * tree-ssa-threadupdate.c: Ditto.
10500 * tracer.c: Ditto.
10501 * java/class.c: Ditto.
10502 * java/jcf-parse.c: Ditto.
10503 * java/resource.c: Ditto.
10504 * java/except.c: Ditto.
10505 * java/jvspec.c: Ditto.
10506 * java/jcf-write.c: Ditto.
10507 * java/jcf-path.c: Ditto.
10508 * java/gjavah.c: Ditto.
10509 * java/zextract.c: Ditto.
10510 * java/jcf-io.c: Ditto.
10511 * java/jcf.h: Ditto.
10512 * java/buffer.c: Ditto.
10513 * java/lang.c: Ditto.
10514 * java/parse-scan.y: Ditto.
10515 * java/lex.c: Ditto.
10516 * java/lex.h: Ditto.
10517 * cfgloopmanip.c: Ditto.
10518 * postreload-gcse.c: Ditto.
10519 * tree-ssa-loop-manip.c: Ditto.
10520 * postreload.c: Ditto.
10521 * tree-ssa-loop-ch.c: Ditto.
10522 * loop.c: Ditto.
10523 * ipa-cp.c: Ditto.
10524 * cppspec.c: Ditto.
10525 * diagnostic.c: Ditto.
10526 * final.c: Ditto.
10527 * genoutput.c: Ditto.
10528 * gcc.c: Ditto.
10529 * cfghooks.c: Ditto.
10530 * cfgloopanal.c: Ditto.
10531 * objc/objc-act.c: Ditto.
10532 * gcov.c: Ditto.
10533 * genextract.c: Ditto.
10534 * genautomata.c: Ditto.
10535 * pretty-print.c: Ditto.
10536 * genemit.c: Ditto.
10537 * cgraphunit.c: Ditto.
10538 * flow.c: Ditto.
10539 * df-scan.c: Ditto.
10540 * haifa-sched.c: Ditto.
10541 * dominance.c: Ditto.
10542 * dbxout.c: Ditto.
10543 * tree-ssa-loop-ivopts.c: Ditto.
10544 * df-core.c: Ditto.
10545 * mode-switching.c: Ditto.
10546 * modulo-sched.c: Ditto.
10547 * graph.c: Ditto.
10548 * ipa-pure-const.c: Ditto.
10549 * cse.c: Ditto.
10550 * fix-header.c: Ditto.
10551 * web.c: Ditto.
10552 * tree-stdarg.c: Ditto.
10553 * ipa-utils.c: Ditto.
10554 * loop-init.c: Ditto.
10555 * ipa-inline.c: Ditto.
10556 * cfganal.c: Ditto.
10557 * global.c: Ditto.
10558 * alloc-pool.c: Ditto.
10559 * dwarf2out.c: Ditto.
10560 * opts.c: Ditto.
10561 * genattrtab.c: Ditto.
10562 * tree-ssa-loop-ivcanon.c: Ditto.
10563 * predict.c: Ditto.
10564 * timevar.c: Ditto.
10565 * lcm.c: Ditto.
10566 * fortran/gfortranspec.c: Ditto.
10567 * regmove.c: Ditto.
10568 * local-alloc.c: Ditto.
10569 * langhooks.c: Ditto.
10570 * function.c: Ditto.
10571 * tree-vectorizer.c: Ditto.
10572 * gcse.c: Ditto.
10573 * ipa-type-escape.c: Ditto.
10574 * alias.c: Ditto.
10575 * tree-if-conv.c: Ditto.
10576 * profile.c: Ditto.
10577 * ipa.c: Ditto.
10578 * tree-data-ref.c: Ditto.
10579 * loop-unroll.c: Ditto.
10580 * treelang/treetree.c: Ditto.
10581 * calls.c: Ditto.
10582 * bt-load.c: Ditto.
10583 * ggc-common.c: Ditto.
10584 * except.c: Ditto.
10585 * coverage.c: Ditto.
10586 * cselib.c: Ditto.
10587 * tree-cfgcleanup.c: Ditto.
10588 * tree-ssa-pre.c: Ditto.
10589 * cfgcleanup.c: Ditto.
10590 * loop-invariant.c: Ditto.
10591 * loop-iv.c: Ditto.
10592 * ipa-prop.c: Ditto.
10593 * print-tree.c: Ditto.
10594 * conflict.c: Ditto.
10595 * ggc-page.c: Ditto.
10596 * sched-deps.c: Ditto.
10597 * regclass.c: Ditto.
10598 * tree-object-size.c: Ditto.
10599 * combine.c: Ditto.
10600 * bb-reorder.c: Ditto.
10601 * resource.c: Ditto.
10602 * var-tracking.c: Ditto.
10603 * cfgloop.c: Ditto.
10604 * df-problems.c: Ditto.
10605 * reg-stack.c: Ditto.
10606 * tlink.c: Ditto.
10607 * gccspec.c: Ditto.
10608 * sched-rgn.c: Ditto.
10609 * tree-ssa-structalias.c: Ditto.
10610 * tree-ssa-reassoc.c: Ditto.
10611 * config/darwin-c.c: Ditto.
10612 * config/darwin.c: Ditto.
10613 * config/arm/arm.c: Ditto.
10614 * cfgrtl.c: Ditto.
10615 * collect2.c: Ditto.
10616 * reload1.c: Ditto.
10618 2006-01-31 Nicolas Pitre <nico@cam.org>
10620 * arm.md (smaxsi3): Make aware of smax_m1.
10621 (smax_m1): New.
10623 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10625 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10627 2006-01-31 Richard Guenther <rguenther@suse.de>
10629 * doc/invoke.texi (-msselibm): Document.
10630 * target.h (expand_library_builtin): New target hook.
10631 * builtins.c (expand_builtin): Use expand_library_builtin.
10632 (default_expand_library_builtin): New function.
10633 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10634 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10635 (link_gcc_math_spec): Declare.
10636 (static_specs): Add link_gcc_math_spec.
10637 * expr.h (default_expand_library_builtin): Declare.
10638 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10639 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10640 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10641 * config/i386/i386.opt (msselibm): New target option.
10642 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10643 (ix86_init_sse_abi_builtins): New function.
10644 (ix86_expand_library_builtin): Likewise.
10645 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10646 (override_options): Handle error conditions wrt -msselibm.
10647 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10648 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10649 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10650 builtins.
10652 2006-01-31 Richard Guenther <rguenther@suse.de>
10653 Paolo Bonzini <bonzini@gnu.org>
10655 * doc/install.texi (--disable-libgcc-math): Document.
10657 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10659 * expr.h (expand_normal): new inline function.
10660 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10661 * dojump.c: use it.
10662 * dwarf2out.c: use it.
10663 * expr.c: use it.
10664 * calls.c: use it.
10665 * expmed.c: use it.
10666 * except.c: use it.
10667 * config/sparc/sparc.c: use it.
10668 * config/i386/i386.c: use it.
10669 * config/rs6000/rs6000.c: use it.
10670 * config/arm/arm.c: use it.
10671 * config/mips/mips.c: use it.
10672 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10674 2006-01-30 Roger Sayle <roger@eyesopen.com>
10676 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10677 argv to the appropriate type.
10679 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10681 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10682 unreachable code.
10684 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10686 PR target/26018
10687 * config/s390/s390.c (struct machine_function): New flag
10688 decomposed_literal_pool_addresses_ok_p.
10689 (s390_reorg): Set it before final stage of literal pool transforms.
10690 (s390_decompose_address): Only accept displacements of the form
10691 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10693 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10695 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10696 the comparison routine return.
10698 2006-01-30 Michael Matz <matz@suse.de>
10700 * global.c (find_reg): Only evict for global regs.
10701 Take n_refs into account and dump more info.
10703 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10705 PR target/14798:
10706 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10707 (pragma_trap, pragma_nosave_low_regs): Likewise.
10708 (current_function_anonymous_args): Likewise.
10709 (sh_deferred_function_attributes): New variable.
10710 (sh_deferred_function_attributes_tail): Likewise.
10711 (print_operand): For '@', look up trap_exit attribute.
10712 (calc_live_regs): Look up trapa_handler attribute. For trapa
10713 handlers, save/restore fpscr, but don't do any other
10714 interrupt-specific saves.
10715 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10716 Fix check for partially saved registers to check for SHmedia.
10717 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10718 (sh_output_function_epilogue): Don't clear any of the removed
10719 variables.
10720 (sh_insert_attributes): Don't check pragma_interrupt.
10721 Insert deferred attributes. Check that interrupt attribute is
10722 present for other attributes that require its presence.
10723 (sh_attribute_table): Add new attributes trapa_handler and
10724 nosave_low_regs.
10725 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10726 Don't check for pragma_interrupt. Don't store argument.
10727 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10728 (sh_deferred_function_attributes): Declare.
10729 (sh_deferred_function_attributes_tail): Likewise.
10730 * sh.md (sp_switch_1): Add operand. Change generator caller.
10731 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10732 (*return_i): Don't use when trap_exit attribute is in effect.
10733 (*return_trapa): New insn pattern.
10734 * sh-c.c: New file.
10735 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10736 setting c_target_objs and cxx_target_objs.
10737 * t-sh: Add rule for sh-c.o.
10739 2006-01-30 Richard Guenther <rguenther@suse.de>
10741 PR c++/23372
10742 * gimplify.c (gimplify_target_expr): Handle easy cases
10743 without creating a temporary.
10745 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10747 * vec.h (safe_grow): Remove duplicated line.
10749 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10751 PR 25874
10752 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10753 (expand_omp): ... here.
10754 (expand_omp_parallel): Only remove barriers for combined
10755 parallel+workshare constructs.
10757 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10759 Revert
10761 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10762 * tree.c (build_qualified_type): Chain the new type to the original
10763 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10764 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10765 (build_pointer_type_for_mode): Only return unqualified types.
10766 (build_reference_type_for_mode): Likewise.
10768 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10770 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10771 * Makefile.in (CXX_COMPAT_WARN): Define.
10772 * configure: Regenerate.
10774 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10776 PR tree-opt/25911
10777 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10778 to an if check.
10780 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10782 * toplev.c: Fix thinko.
10784 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10785 Marcin Dalecki <martin@dalecki.de>
10787 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10788 (push_srcloc): Use XNEW.
10789 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10791 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10793 * df-core.c (df_set_blocks): Deleted all variable.
10795 2006-01-28 Ian Lance Taylor <ian@airs.com>
10797 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10798 cgraph_output_pending_asms.
10800 2006-01-28 Zack Weinberg <zackw@panix.com>
10802 * c.opt: Add -W(no-)overlength-strings.
10803 * doc/invoke.texi: Document it.
10804 * c-opts.c (c_common_handle_option): -pedantic implies
10805 -Woverlength-strings, if not explicitly disabled already.
10806 (c_common_post_options): -Woverlength-strings defaults to off, and
10807 is always off for C++.
10808 * c-common.c (fix_string_type): Issue warning about strings longer
10809 than is portable only if warn_overlength_strings. Rearrange code
10810 a little for clarity.
10811 * configure.in: Check for -Wno-overlength-strings as well before
10812 enabling -pedantic in stage 1.
10813 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10814 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10816 * genconditions.c (write_header, write_one_condition)
10817 (write_conditions, write_writer): Consolidate very long strings
10818 that were broken up to fit in C89 portable limit. Don't use
10819 printf when fputs will do.
10821 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10823 * combine.c (simplify_comparison <AND>): Check
10824 TRULY_NOOP_TRUNCATION before start using a subreg.
10826 * config/mips/mips.md (*branch_zero<mode>,
10827 *branch_zero<mode>_inverted, *branch_equality<mode>,
10828 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10829 Remove mode check from comparisons.
10831 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10833 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10835 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10837 * expmed.c (const_mult_add_overflow_p): Remove.
10838 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10840 * recog.c (validate_replace_rtx_subexp): Remove.
10841 * recog.h: Remove the prototype for
10842 validate_replace_rtx_subexp.
10844 * integrate.h: Remove the prototype for
10845 copy_decl_for_inlining.
10846 * rtl.h: Remove the prototype for mark_constant_function.
10847 * tree-vectorizer.h: Remove the prototype for
10848 vect_strip_conversion.
10850 * modulo-sched.c (create_partial_schedule,
10851 free_partial_schedule, reset_partial_schedule): Make them
10852 static.
10854 * hooks.c (hook_bool_rtx_int_false): Remove.
10855 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10857 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10859 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10860 and -mlong-double-128 are incompatible.
10861 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10862 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10863 (TARGET_LIBGCC2_CFLAGS): Define.
10864 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10865 (TARGET_LIBGCC2_CFLAGS): Same.
10866 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10868 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10870 PR c/19606.
10871 * c-typeck.c (build_binary_op): Perform implicit casts of
10872 operands before shortening them.
10874 * cfgloopmanip.c (split_loop_bb): Remove.
10875 * cfgloop.h: Remove the prototype for split_loop_bb.
10877 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10878 * cfgloop.h: Remove the prototype for
10879 flow_loop_outside_edge_p.
10881 * emit-rtl.c (init_virtual_regs): Make it static.
10882 * function.h: Remove the prototype for init_virtual_regs.
10884 * recog.c (peephole2_optimize): Make it static.
10885 * recog.h: Remove the prototype for peephole2_optimize.
10887 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10889 * df-scan.c (df_record_entry_block_defs): Check if
10890 INCOMING_RETURN_ADDR_RTX is defined.
10892 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10893 Kenneth Zadeck <zadeck@naturalbridge.com>
10895 PR rtl-optimization/24762
10896 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10897 * targhooks.c (hook_void_bitmap): New hook prototype.
10898 * targhoohs.h (hook_void_bitmap): Ditto.
10899 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10900 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10901 * target.h (live_on_entry): New function pointer.
10902 * df-scan.c (df_all_hard_regs): Removed.
10903 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10904 (df_scan_free_internal): Added df->entry_block_defs.
10905 (df_scan_alloc): Ditto.
10906 (df_scan_dump): Ditto.
10907 (df_uses_record): Plumbed flag field properly thru calls.
10908 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10909 This part fixes PR24762.
10910 (df_bb_refs_record): Added code to make the frame and arg
10911 pointers live in EH blocks.
10912 (df_refs_record): Added call to df_record_entry_block_defs.
10913 (df_record_entry_block_defs): New function.
10914 * df-core.c: Added comments to describe new artifical defs.
10915 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10916 (entry_block_defs): New field in struct df.
10917 (df_all_hard_regs): Deleted.
10918 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10919 * df-problems.c (df_ru_bb_local_compute_process_def):
10920 Added code to handle artifical defs in the entry to a function.
10921 (df_ru_bb_local_compute): Ditto.
10922 (df_rd_bb_local_compute_process_def): Ditto.
10923 (df_rd_bb_local_compute): Ditto.
10924 (df_lr_bb_local_compute): Ditto.
10925 (df_ur_bb_local_compute): Ditto.
10926 (df_urec_bb_local_compute): Ditto.
10927 (df_chain_create_bb): Ditto.
10928 (df_ur_local_finalize): Removed entry.
10929 (df_urec_init): Ditto.
10930 (df_urec_local_finalize): Ditto.
10931 (df_ri_bb_compute): Added detection of last use of pseudos.
10932 * Makefile.in (df-scan.o): Updated dependencies.
10933 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10934 * config/mips/mips.c (mips_set_live_on_entry): Added.
10935 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10936 for target hook.
10937 * dce.c (marked_insn_p): Added code to handle artifical defs.
10939 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10941 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10942 intrinsic.
10943 (_mm_cvtsi128_si64): Likewise.
10944 (_mm_cvtsd_si64): Likewise.
10945 (_mm_cvttsd_si64): Likewise.
10946 (_mm_cvtsi64_sd): Likewise.
10947 (_mm_cvtsi64_si128): Likewise.
10948 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10949 (_mm_cvtsi64_m64): Likewise.
10950 (_m_to_int64): Likewise.
10951 (_mm_cvtm64_si64): Likewise.
10952 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10953 (_mm_cvttss_si64): Likewise.
10954 (_mm_cvtsi64_ss): Likewise.
10955 (_mm_cvtss_f32): Likewise.
10957 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10959 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10960 for pragma redefine_extname.
10962 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10964 PR target/25864
10965 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10966 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10967 -mno-minimal-toc to previous content.
10968 (bispecs): Remove goal.
10969 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10970 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10971 compatibility aliases on powerpc-*-*gnu*.
10972 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10973 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10974 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10975 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10976 (ldblspecs): New goal.
10977 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10978 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10979 _df_to_tf.
10980 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10981 L_sf_to_tf or L_df_to_tf is defined.
10983 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10984 Alan Modra <amodra@bigpond.net.au>
10986 PR target/25864
10987 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10988 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10989 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10990 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10991 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10992 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10993 (rs6000_override_options): Initialize rs6000_ieeequad.
10994 Initialize TFmode format to ibm_extended_format if not
10995 TARGET_IEEEQUAD.
10996 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10997 ieeelongdouble.
10998 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10999 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11000 (function_arg_advance): IBM long double passed in two FPRs, not
11001 split.
11002 (function_arg): IBM long double passed in FPRs.
11003 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11004 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11005 Only multireg GPR aligned.
11006 (rs6000_init_libfuncs): Enable IBM long double functions if not
11007 IEEEQUAD.
11008 (rs6000_generate_compare): Use IBM long double compare if not
11009 TARGET_IEEEQUAD.
11010 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11011 (TARGET_IEEEQUAD): Define.
11012 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11013 not TARGET_IEEEQUAD.
11014 * config/rs6000/rs6000.md: Enable TFmode patterns if
11015 !TARGET_IEEEQUAD.
11016 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11017 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11018 and -mlong-double-128 are incompatible.
11019 * doc/invoke.texi (-mabi): Collect options together. Add
11020 ibmlongdouble and ieeelongdouble.
11022 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11024 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11025 opaque type.
11026 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11027 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11028 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11029 * rtl.h (rtunion_def): Remove rt_ptr.
11030 (X0PTR): Delete.
11031 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11032 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11033 * config/i386/winnt.c (i386_pe_mark_dllexport)
11034 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11036 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11038 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11040 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11042 PR other/24829
11043 PR target/24831
11044 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11045 pthread_key_delete. From John David Anglin. gthrw-ify
11046 pthread_getunique_np only if it it's not a macro. Delete
11047 UNUSED macro.
11048 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11049 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11050 __gthread_objc_condition_signal, __gthread_key_delete): Add
11051 "__attribute__ ((__unused__))" to unused arguments.
11052 (__gthread_recursive_mutex_init_function): Add missing return.
11053 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11054 gthr-posix95.h: Use macro-based approach for name redirection
11055 on targets missing weakref.
11057 2006-01-26 Zack Weinberg <zackw@panix.com>
11059 * genconditions.c (write_header): In generated code, #ifdef out
11060 all includes and fake declarations, except includes of bconfig.h
11061 and system.h, unless GCC_VERSION >= 3001. Do not include
11062 gensupport.h in any case.
11063 (write_conditions): Generate a definition of struct c_test. Add
11064 a comment to the generated #endif.
11065 (write_one_condition): Escape backslashes in string too.
11066 (write_writer): Generated code must escape backslashes and quote
11067 marks (but not newlines) in the strings it writes.
11068 * Makefile.in (build/gencondmd.o): Update dependencies.
11070 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11072 PR target/25961
11073 * Makefile.in (insn-automata.o): Add header file dependencies.
11074 * genautomata.c: Add includes.
11076 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11078 PR target/25961
11079 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11081 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11083 * configure.ac: Expect target tools paths to be passed from the toplevel
11084 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11085 AS_SET_VAR_IF.
11086 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11088 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11090 PR c/25892
11091 * c.opt (Wpointer-sign): Init to -1.
11092 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11093 OPT_pedantic, to 0 otherwise.
11094 * doc/invoke.texi: Update.
11096 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11098 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11099 constants provided by 80387 instructions in the destination mode.
11101 2006-01-26 Richard Guenther <rguenther@suse.de>
11102 Andrew Pinski <pinskia@physics.uc.edu>
11104 PR tree-opt/21470
11105 partial PR tree-opt/17064
11106 * tree-ssa-structalias.c (intra_create_variable_infos):
11107 Create heap variables for incoming parameters if
11108 flag_argument_noalias > 1.
11109 (find_what_p_points_to): Look through default defs of
11110 parameter decls.
11112 2006-01-26 Jeff Law <law@redhat.com>
11114 PR ada/25900
11115 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11116 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11117 within the VR_RANGE, use the VR_RANGE as the result, not the
11118 VR_ANTI_RANGE.
11119 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11120 bounds for the type.
11122 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11124 * tree-ssa-alias.c (maybe_create_global_var): Change
11125 subvar walking to an assertion that we don't have subvar'd variables.
11127 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11129 PR C/25861
11130 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11131 Use a new variable, inner. PARM_DECLs are always non-weak.
11133 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11135 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11136 --disable-checking.
11138 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11140 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11142 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11144 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11145 (smax_insn, smin_insn, smax_0, smin_0): New.
11147 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11149 PR target/25947
11150 * config/cris/cris.c (cris_order_for_addsi3): New function.
11151 * config/cris/cris-protos.h: Prototype it.
11152 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11153 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11154 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11155 (split for "op.S1 [rx=rx+i],ry (swapped)")
11156 (split for "op(s|u).S1 [rx=rx+i],ry")
11157 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11158 Apply cris_order_for_addsi3 when generating addsi3 insns.
11160 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11162 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11163 (TREE_BLOCK): Add call to EXPR_CHECK.
11165 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11167 PR 25886
11168 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11169 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11170 (dump_omp_clauses): ... here.
11171 (dump_generic_node): Handle OMP_CLAUSE.
11172 * tree.c (omp_clause_num_ops): New.
11173 (omp_clause_code_name): New.
11174 (tree_code_size): Handle OMP_CLAUSE.
11175 (tree_size): Likewise.
11176 (make_node): Document handling of OMP_CLAUSE.
11177 (tree_node_structure): Handle OMP_CLAUSE.
11178 (omp_clause_check_failed): New.
11179 (omp_clause_range_check_failed): New.
11180 (omp_clause_operand_check_failed): New.
11181 (build_omp_clause): New.
11182 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11183 * tree.h (enum omp_clause_code): Declare.
11184 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11185 (OMP_CLAUSE_RANGE_CHECK): Define.
11186 (OMP_CLAUSE_ELT_CHECK): Define.
11187 (omp_clause_check_failed): Declare.
11188 (omp_clause_operand_check_failed): Declare.
11189 (omp_clause_range_check_failed): Declare.
11190 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11191 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11192 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11193 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11194 (OMP_CLAUSE_IF_EXPR): Likewise.
11195 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11196 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11197 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11198 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11199 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11200 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11201 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11202 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11203 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11204 (OMP_CLAUSE_CODE): Define.
11205 (OMP_CLAUSE_SET_CODE): Define.
11206 (OMP_CLAUSE_CODE): Define.
11207 (OMP_CLAUSE_OPERAND): Define.
11208 (struct tree_omp_clause): Declare.
11209 (union tree_node): Add field 'omp_clause'.
11210 * treestruct.def (TS_OMP_CLAUSE): Define.
11211 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11212 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11213 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11214 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11215 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11216 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11217 (OMP_CLAUSE): Define.
11218 * print-tree.c (print_node): Handle OMP_CLAUSE.
11219 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11220 * c-typeck.c: Likewise.
11221 * gimplify.c: Likewise.
11222 * c-omp.c: Likewise.
11223 * tree-nested.c: Likewise.
11224 * tree-inline.c: Likewise.
11225 * c-parser.c: Likewise.
11226 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11227 clauses.
11229 2006-01-25 Roger Sayle <roger@eyesopen.com>
11231 PR rtl-optimization/25703
11232 * combine.c (try_combine): Handle zero_extract and strict_low_part
11233 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11235 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11237 * global.c: Fix comment typos.
11239 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11241 PR target/25758
11242 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11243 Use output_addr_const instead of assemble_name.
11245 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11247 * Makefile.in (sched-vis.o): Update dependencies.
11248 * haifa-sched.c (sched_finish): Clear current_sched_info.
11249 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11250 (dump_flow_info): Call it.
11251 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11252 a slim RTL dump.
11253 * basic-block.h (dump_bb_info): Declare.
11254 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11255 option, and apply options only for dump files whose TDF_RTL,
11256 TDF_TREE, or TDF_IPA bits match.
11257 * rtl.h: Declare new functions exported from sched-vis.c.
11258 * sched-vis.c: Enable also if scheduling is not used.
11259 (print_value): Print the mode of registers if not inside scheduling.
11260 (print_insn): Make it work outside the scheduler. Beautify the output
11261 a bit.
11262 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11264 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11266 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11267 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11268 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11269 depending on the value of CONSTANT_POOL_ADDRESS_P.
11270 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11271 SYMBOL_REF_DECL.
11272 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11273 rather than SYMBOL_REF_DECL.
11274 (rtx_constant_pool): Remove const_rtx_sym_htab.
11275 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11276 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11277 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11278 Remove handling of const_rtx_sym_htab.
11279 (find_pool_constant): Delete.
11280 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11281 rather than find_pool_constant.
11282 (get_pool_constant_for_function): Delete.
11283 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11284 find_pool_constant.
11285 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11286 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11287 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11288 (SYMBOL_REF_CONSTANT): New macro.
11289 (get_pool_constant_for_function): Delete.
11290 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11291 rather than SYMBOL_REF_DECL.
11292 (i386_pe_mark_dllimport): Likewise.
11293 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11294 rather than SYMBOL_REF_DECL.
11295 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11296 (machopic_indirect_call_target): Likewise.
11298 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11300 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11302 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11304 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11306 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11308 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11310 2006-01-24 David Daney <ddaney@avtrex.com>
11312 PR java/25816
11313 * configure.ac (enable_tls): New enable option.
11314 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11315 * configure: Regenerate.
11316 * doc/install.texi (--enable-tls): Document new option.
11317 (--disable-tls): Ditto.
11319 2006-01-24 Richard Henderson <rth@redehat.com>
11321 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11322 * alias.c (true_dependence): Respect it.
11323 (canon_true_dependence, write_dependence_p): Likewise.
11324 * builtins.c (get_builtin_sync_mem): Set it.
11326 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11328 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11329 efficient way.
11331 2006-01-24 DJ Delorie <dj@redhat.com>
11333 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11334 for storing constants in single-bit bitfields.
11336 2006-01-25 Ben Elliston <bje@au.ibm.com>
11338 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11340 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11342 PR tree-opt/25860
11343 * tree-ssa-pre.c (phi_translate): Return NULL
11344 for AGGREGATE_TYPE's.
11346 2006-01-24 Zack Weinberg <zackw@panix.com>
11348 * genautomata.c (process_state_for_insn_equiv_partition):
11349 Use xcalloc for insn_arcs_array.
11350 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11351 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11353 2006-01-24 Richard Henderson <rth@redhat.com>
11355 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11356 update all callers.
11358 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11360 PR rtl-optimization/25890
11361 PR rtl-optimization/25905
11362 * combine.c (expand_compound_operation, expand_field_assignment):
11363 Fail if the bitfield's final position is out of bounds.
11365 2006-01-24 Ian Lance Taylor <ian@airs.com>
11367 PR middle-end/25930
11368 * cgraphunit.c (cgraph_output_in_order): Don't clear
11369 cgraph_asm_nodes until after asm strings have been output.
11371 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11373 * fix-header.c (read_scan_file): Add new parameter imultilib when
11374 calling register_include_chains.
11376 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11378 * omp-low.c: Update documentation.
11380 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11381 Daniel Berlin <dberlin@dberlin.org>
11383 PR tree-opt/25315
11384 PR tree-opt/25857
11385 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11386 return from the function.
11388 2006-01-22 Zack Weinberg <zackw@panix.com>
11390 * rtl.def (match_code): Add second argument.
11391 * genpreds.c (write_extract_subexp): New function.
11392 (write_match_code): Add path argument. Use write_extract_subexp.
11393 (write_predicate_expr): Pass path to write_match_code.
11394 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11395 not perform a mode test.
11396 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11397 a subexpression does not constrain the top-level code set.
11398 * read-rtl.c (read_rtx_variadic): New function.
11399 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11400 * doc/md.texi: Document new notation.
11401 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11402 (cmpsi_operand): ... here, using new notation.
11404 2006-01-22 Zack Weinberg <zackw@panix.com>
11406 * varray.c: Remove GENERATOR_FILE #ifdefs.
11408 2006-01-22 Zack Weinberg <zackw@panix.com>
11410 * genautomata.c (output_reserved_units_table): Emit nothing if
11411 description->query_units_num is zero. Remove extra blank line.
11412 (output_cpu_unit_reservation_p): Short circuit
11413 if description->query_units_num is zero.
11415 2006-01-22 Zack Weinberg <zackw@panix.com>
11417 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11418 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11419 nor any of the random handful of variables that used to be necessary
11420 when this program was linked with rtlanal.o. Prune set of forward
11421 function declarations.
11422 (struct attr_desc): Remove static_p field.
11423 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11424 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11425 (attr_string): Do not read the character one past the length of
11426 the string.
11427 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11428 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11429 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11430 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11431 (make_automaton_attrs): New.
11432 (main): Do not call into genautomata. Call local gen_bypass
11433 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11434 Remove special case for insn_alts.
11435 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11436 varray.h (leftover from previous change). Prune set of forward
11437 function declarations. Remove state_alts fields from all
11438 structures. Remove state_alts_table from struct automaton.
11439 Make everything except main static. Do not maintain num_dfa_decls.
11440 Do not maintain state_alts fields of various structures.
11441 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11442 (add_arc): Remove state_alts argument. All callers updated.
11443 (output_reserved_units_table): Emit #ifdef here...
11444 (output_tables): ...not here. Don't generate state_alts tables.
11445 (expand_automata): Don't generate attributes.
11446 (write_automata): Don't generate state_alts functions.
11447 (main): New function.
11448 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11449 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11450 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11451 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11452 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11453 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11454 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11455 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11456 Delete.
11457 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11458 * genattrtab.h: Delete file.
11459 * Makefile.in (OBJS-common): Add insn-automata.o.
11460 (insn-automata.o): New rule.
11461 (simple_generated_c): Add insn-automata.c.
11462 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11463 (genprogmd): Add automata.
11464 (build/genattrtab): Needs no extra objects nor libraries.
11465 (build/genautomata): Needs build/vec.o and -lm.
11467 2006-01-22 Zack Weinberg <zackw@panix.com>
11469 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11470 (output_dfa_max_issue_rate, locked_states_num): Delete.
11471 (struct automaton): Add locked_states field.
11472 (output_dead_lock_vect): Save number of locked states in
11473 automaton->locked_states. If it is zero, don't print anything.
11474 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11475 (output_internal_dead_lock_func): Only test the dead_lock_vect
11476 for automata that have locked states.
11477 (output_statistics): Always print the number of locked states for
11478 each automaton. Calculate total number of locked states here.
11479 (write_automata): Don't call output_dfa_max_issue_rate.
11480 * genattrtab.c: Define length_unit_log as a const variable.
11481 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11482 max_insn_queue_index const.
11483 * final.c (length_unit_log): Declare const.
11484 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11486 2006-01-22 Zack Weinberg <zackw@panix.com>
11488 * genautomata.c: Include vec.h, not varray.h.
11489 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11490 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11491 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11492 VEC_* macros operating on appropriately typed vectors, or to
11493 malloced arrays when the size is known in advance. Const-ify
11494 many char* variables and function arguments. No functional changes.
11495 * Makefile.in (build/varray.o): Delete rule.
11496 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11497 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11499 2006-01-22 Zack Weinberg <zackw@panix.com>
11501 * gensupport.c: Define get_insn_name and record_insn_name here.
11502 (read_md_rtx): Call record_insn_name as appropriate.
11503 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11504 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11505 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11506 record_insn_name.
11507 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11508 (BUILD_VARRAY): Delete.
11509 (genprognormal): Rename genprogmd. Fold in all programs from
11510 genprognoprint; also attrtab.
11511 (build/genattrtab): Just mention genautomata.o and varray.o.
11512 Reorganize a bit, add comments to make the categories clearer.
11514 2006-01-22 Zack Weinberg <zackw@panix.com>
11516 * genconditions.c (condition_table, add_condition): Delete.
11517 (write_conditions): Don't emit n_insn_conditions nor
11518 insn_elision_unavailable. Issue the gcc version #ifdef here,
11519 inside the table, with no #else clause ...
11520 (write_header): ...not here.
11521 (write_writer): New function.
11522 (main): Don't initialize condition_table. Use add_c_test.
11523 Call write_writer.
11524 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11525 files on the command line.
11526 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11527 Return -1 if there is no entry in the table, don't abort.
11528 (add_c_test, traverse_c_tests): New functions.
11529 * gensupport.h (insn_elision_unavailable, insn_conditions)
11530 (n_insn_conditions): Delete declarations.
11531 (add_c_test, traverse_c_tests): Declare.
11532 * read-rtl.c: Include gensupport.h.
11533 (read_conditions): New function.
11534 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11535 (read_rtx_1): If we get EOF when we were looking for an initial
11536 open paren, return 0. Call read_conditions when appropriate.
11537 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11538 dummy-conditions.o. Eliminate references to insn-conditions.o,
11539 or change them to build/gencondmd.o, as appropriate. Remove
11540 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11541 from $(simple_generated_c). For all files remaining in those
11542 two lists, add insn-conditions.md to the generator command line.
11543 Give insn-constants.h/s-constants their own rules. Add rules
11544 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11545 (build/read-rtl.o): Depend on gensupport.h.
11546 (genprognormal): Include preds.
11547 (genprogearly): Rename genprognoprint; only difference is now that
11548 they don't link with $(BUILD_PRINT).
11549 * dummy-conditions.c: Delete.
11551 2006-01-22 Zack Weinberg <zackw@panix.com>
11553 * genextract.c: Don't include insn-config.h. Do include vec.h.
11554 Declare vectors of int, char, and locstr.
11555 (locstr): New typedef.
11556 (struct extraction): Make all array fields into bare pointers.
11557 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11558 (insn_code_number): Delete.
11559 (accum_extract): New struct.
11560 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11561 (gen_insn): Take insn_code_number as an argument. Use an
11562 accum_extract structure instead of loading data directly into
11563 a struct extraction, and having to know how big it might get.
11564 (walk_rtx): Operate entirely on an accum_extract structure.
11565 (print_path): Avoid unnecessary use of printf.
11566 (print_header): New function, split out of main. Distinguish
11567 more carefully between an unrecognizable insn and an insn that
11568 has the code number of a define_expand.
11569 (main): Pass insn_code_number to gen_insn. Call print_header
11570 only after parsing. Avoid unnecessary use of printf.
11571 * Makefile.in (build/vec.o): New rule.
11572 (build/genextract): Depend on build/vec.o.
11573 (build/genextract.o): Don't depend on insn-config.h.
11575 2006-01-22 Zack Weinberg <zackw@panix.com>
11577 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11578 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11579 practical. Eliminate per-generator-program link rules.
11581 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11583 PR middle-end/24437
11584 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11585 with a call expr to ...
11586 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11588 2006-01-23 Richard Guenther <rguenther@suse.de>
11590 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11591 before make_edge with conditional EDGE_TRUE_VALUE.
11593 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11594 Jan Hubicka <jh@suse.cz>
11595 Richard Guenther <rguenther@suse.de>
11597 PR rtl-optimization/25654
11598 * cfgexpand.c (aggregate_contains_union_type): New function.
11599 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11600 for structure variables that contain a union type.
11602 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11604 * gengtype.c (new_structure): Return the structure.
11605 (create_option): Add an extra "next" argument.
11606 (create_field): New function.
11607 (adjust_field_rtx_def): Use create_option and create_field.
11608 Remove a now-unnecessary call to find_structure.
11609 (adjust_field_tree_def): Likewise.
11610 (note_yacc_type): Remove an unnecessary call to find_structure.
11611 * gengtype.h (new_structure): Return the structure.
11612 (create_option): Add an extra argument.
11613 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11614 (option): Adjust calls to create_option.
11616 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11618 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11620 2006-01-22 Paul Brook <paul@codesourcery.com>
11621 Peter Barada <peter@the-baradas.com>
11623 * config/m68k/m68k.md: Add Coldfire FPU support.
11624 Define FP mode macro and associated attributes.
11625 Use it for float mode patterns.
11626 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11627 (LIBCALL_VALUE): Use m68k_libcall_value.
11628 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11629 (m68k_function_value): Ditto.
11630 (emit_move_sequence): Ditto.
11631 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11632 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11633 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11634 (MULTILIB_EXCEPTIONS): Ditto.
11635 * config/m68k/m68k.opt: Add mcfv4e.
11636 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11637 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11638 (m68k_output_function_prologue): Save ColdFire FPU registers.
11639 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11640 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11641 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11642 ColdFire FPU registers.
11643 (m68k_libcall_value, m68k_function_value): New functions.
11644 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11645 (LIBCALL_VALUE): Use m68k_libcall_value.
11646 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11647 (MASK_COLDFIRE): Add MASK_CFV4E.
11648 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11649 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11650 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11651 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11652 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11653 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11654 * doc/invoke.tex: Document -mcfv4e on m68k.
11656 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11658 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11659 URL.
11661 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11663 PR c++/16190
11664 * c-opts.c (c_common_handle_option): Don't include
11665 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11666 * doc/invoke.texi (C++ Dialect Options): Document that
11667 -Wnon-virtual-dtor is no longer included in -Wall.
11669 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11671 * gcov.c (print_version), gcov-dump.c (print_version),
11672 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11673 dates.
11675 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11677 * df-scan.c (problem_SCAN): Added NULL reset function.
11678 (df_scan_reset_blocks): Added code to call reset block function
11679 (df_bb_refs_delete) Fixed comment.
11680 (df_insn_refs_delete): Made tolerant of deleting non existent info
11681 for dataflow problems that need to be reset.
11682 * df-core.c (df_set_blocks): Ditto.
11683 * df.h (struct df_problem): Added reset_fun.
11684 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11685 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11686 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11687 functions to clear out all references to def-use or use-def chains.
11689 2006-01-21 Ben Elliston <bje@au.ibm.com>
11691 * varasm.c (assemble_real): Initialise data array.
11693 2006-01-20 Paul Brook <paul@codesourcery.com>
11695 Merge from csl-arm-branch.
11696 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11697 * config/arm/arm.md (movdi): Force operands[1] to a register
11698 if we have a non-register source.
11699 (*arm_movdi, *movdf_soft_insn): Require that one of the
11700 operands be a register.
11701 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11702 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11704 2006-01-20 DJ Delorie <dj@redhat.com>
11706 * varasm.c (initializer_constant_valid_p): Allow pointers
11707 initialized from integer constants of lesser precision.
11708 (output_constant): Allow non-int-sized pointer modes to be
11709 initialized from integer constants.
11711 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11713 PR libstdc++/25524
11714 * cppdefault.h (struct default_include): Add multilib flag.
11715 * cppdefault.c (cpp_include_defaults): Set it.
11716 * c.opt (-imultilib): New option.
11717 * c-opts.c (imultilib): New.
11718 (c_common_handle_option): Handle -imultilib.
11719 (c_common_post_options): Likewise.
11720 * c-incpath.c (add_standard_paths, register_include_chains):
11721 Likewise.
11722 * c-incpath.h (register_include_chains): Add extra parameter.
11723 * gcc.c (do_spec_1): Generate -imultilib option.
11724 (The Specs Language): Update %I description.
11725 (process_command): Update copyright notice.
11726 * doc/cppopts.texi (-imultilib): Document.
11727 * doc/invoke.texi (-imultilib): Include in option summary.
11728 (%I): Update specs documentation.
11730 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11732 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11734 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11736 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11737 label numbers.
11739 2006-01-20 Richard Guenther <rguenther@suse.de>
11740 Steven Bosscher <stevenb.gcc@gmail.com>
11742 PR rtl-optimization/24626
11743 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11744 EDGE_TRUE_VALUE if in RTL mode.
11746 Revert
11747 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11748 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11750 2006-01-20 Dirk Mueller <dmueller@suse.com>
11752 PR c++/5520
11753 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11754 instead of a special NOP marker.
11755 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11756 NOP marker handling.
11757 * c-common.h (empty_body_warning): Add forward declaration.
11758 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11759 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11761 2006-01-20 Paul Brook <paul@codesourcery.com>
11763 * Makefile.in (lang_checks): Keep going if mkdir fails.
11765 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11767 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11768 be able to clean out basic block when not necessary.
11769 (df_scan_free): Fixed to properly delete information if df is
11770 unused before calling df_finish.
11771 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11772 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11773 or comment typos.
11774 (df_bb_refs_delete): New function.
11775 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11776 * df-core.c (df_set_blocks): Added code to properly clean out
11777 unused blocks if they are not part of the blocks to consider.
11778 Added additional null check.
11779 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11780 be able to clean out basic block when not necessary
11781 * df.h (df_free_bb_function): Ditto.
11782 (df_bb_refs_delete): New function.
11783 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11784 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11785 basic block parameter to be able to clean out basic block when not
11786 necessary.
11787 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11788 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11789 Fixed to properly delete information if df is unused before
11790 calling df_finish.
11792 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11794 PR rtl-optimization/25799
11795 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11796 Corrected confluence operator to remove bits from op2 before oring
11797 with op1 rather than removing bits from op1.
11798 (df_ru_transfer_function): Corrected test on wrong bitmap which
11799 caused infinite loop. Both of these problems were introduced in
11800 the dataflow rewrite.
11802 2006-01-19 DJ Delorie <dj@redhat.com>
11804 * reload1.c (find_reload_regs): Note the details of reload
11805 failures in the dump file.
11806 (spill_failure): Likewise.
11808 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11810 * loop-iv.c: Include df.h and hashtab.h.
11811 (enum iv_grd_result): New enum.
11812 (DF_REF_IV, DF_REF_IV_SET): New macros.
11813 (struct biv_entry): New.
11814 (df, bivs): New global variables.
11815 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11816 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11817 Removed.
11818 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11819 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11820 analyzed_for_bivness_p, record_biv): New functions.
11821 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11822 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11823 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11824 UD chains.
11825 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11826 analysed.
11827 (iv_number_of_iterations): Use new interface to iv analysis.
11828 * loop-unroll.c: Do not include varray.h.
11829 (analyze_iv_to_split_insn): Use new interface to iv
11830 analysis.
11831 * loop-unswitch.c (may_unswitch_on): Ditto.
11832 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11833 allocated.
11834 (df_bb_modify): Realloc tables to the new index.
11835 (df_find_use): New function.
11836 * df.h (df_find_use): Declare.
11837 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11838 outmode.
11839 * cfgloop.h (struct rtx_iv): Remove analysed field.
11840 (iv_get_reaching_def): Removed.
11841 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11842 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11843 (loop-iv.o): Add df.h and hashtab.h dependency.
11844 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11846 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11848 PR target/25668
11849 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11850 Double TFmode.
11851 (__floatundisf, __floatundidf): Likewise.
11852 * libgcc2.h (IS_IBM_EXTENDED): Define.
11854 2006-01-19 DJ Delorie <dj@redhat.com>
11856 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11858 2006-01-19 Paul Brook <paul@codesourcery.com>
11860 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11861 as nothrow when unwinding tables are disabled.
11863 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11865 PR testsuite/25171
11866 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11867 of bit-field" when in system header.
11869 2006-01-19 DJ Delorie <dj@redhat.com>
11871 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11872 the 16 bit shift limit of the m16c.
11874 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11876 PR target/22099
11877 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11878 * config/i386/i386.c (output_set_got): Output the label if we have one
11879 for the TARGET_DEEP_BRANCH_PREDICTION case.
11881 2006-01-19 Jan Hubicka <jh@suse.cz>
11882 H.J. Lu <hongjiu.lu@intel.com>
11883 Evandro Menezes <evandro.menezes@amd.com>
11885 * invoke.texi (generic): Document
11886 (i686) Update.
11887 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
11888 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
11889 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11890 (x86_use_incdec, x86_pad_returns): New variables
11891 (TARGET_CPU_DEFAULT_generic): New constant
11892 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11893 (enum processor_type): Add generic32 and generic64.
11894 * i386.md (cpu attribute): Add generic32/generic64
11895 (movhi splitter): Behave sanely when both partial_reg_dependency and
11896 partial_reg_stall are set.
11897 (K8 splitters): Enable for generic as well.
11898 * predicates.md (incdec_operand): Use TARGET_INCDEC
11899 (aligned_operand): Avoid memory mismatch stalls.
11900 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11901 * ppro.md: Enable for generic32
11902 * i386.c (generic64_cost, generic32_cost): New.
11903 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11904 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11905 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11906 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11907 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11908 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11909 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11910 x86_accumulate_outgoing_args, x86_prologue_using_move,
11911 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11912 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11913 Enable for generic.
11914 (x86_use_incdec, x86_pad_returns): New.
11915 (override_options): Add generic32 and generic64, translate "generic"
11916 to generic32/generic64 and "i686" to "generic32", refuse
11917 "generic32"/"generic64" as arch target.
11918 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11919 (ix86_reorg): Honor PAD_RETURNS.
11921 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11923 * tree-pretty-print.c (dump_generic_node): Handle
11924 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11925 * cgraph.c (cgraph_expand_queue): Rename from
11926 cgraph_analyze_queue. Update all users.
11927 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11928 cgraph_expand_queue.
11929 (cgraph_expand_all_functions): Likewise.
11930 (cgraph_finalize_pending_functions): Remove. Update callers.
11932 * tree.h (OMP_DIRECTIVE_P): Define.
11933 (OMP_PARALLEL_FN): Define.
11934 (OMP_PARALLEL_DATA_ARG): Define.
11935 (OMP_SECTIONS_SECTIONS): Define.
11936 * tree-pass.h (pass_expand_omp): Declare.
11937 * omp-low.c (struct omp_region): Declare.
11938 (struct omp_context): Remove fields 'parallel_type',
11939 'parallel_start_ix' and 'parallel_start_additional_args'.
11940 Update all users.
11941 (struct omp_for_data): Rename from struct expand_omp_for_data.
11942 (omp_regions): New static variable.
11943 (root_omp_region): New static variable.
11944 (find_omp_clause): Make static.
11945 (is_in_combined_parallel_ctx): Remove.
11946 (is_combined_parallel): New.
11947 (extract_omp_for_data): Move earlier in the file.
11948 (workshare_safe_to_combine_p): New.
11949 (get_ws_args_for): New.
11950 (determine_parallel_type): Move earlier in the file.
11951 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11952 child function.
11953 (omp_copy_decl): Likewise.
11954 (create_omp_child_function): Likewise.
11955 (lookup_omp_region): New.
11956 (dump_omp_region): New.
11957 (debug_omp_region): New.
11958 (debug_all_omp_regions): New.
11959 (new_omp_region): New.
11960 (scan_omp_parallel): If parallel_nesting_level > 1, the
11961 directive is nested within another parallel directive.
11962 Set OMP_PARALLEL_FN.
11963 (scan_omp_for): Do not try to handle combined parallel+for
11964 cases.
11965 Remove FIXME comment.
11966 (scan_omp_nested): Remove.
11967 (scan_omp_1): Do not call scan_omp_nested when
11968 parallel_nesting_level is > 1.
11969 Do not change the DECL_CONTEXT of local variables found.
11970 (lookup_decl_in_outer_ctx): New.
11971 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11972 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11973 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11974 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11975 If CTX is nested, lookup VAR in the outer context when
11976 building copy assignment.
11977 (lower_send_clauses): Rename from expand_send_clauses.
11978 If CTX is nested, lookup VAR in the outer context when
11979 building copy assignments.
11980 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11981 If CTX is nested, lookup VAR in the outer context when
11982 building copy assignments.
11983 (expand_parallel_call): Rename from build_parallel_call.
11984 Handle combined parallel+workshare cases.
11985 Re-implement to emit code into the CFG.
11986 (list2chain): New.
11987 (expand_omp_parallel): Re-implement to emit code into the CFG.
11988 Call move_sese_region_to_fn to outline the sub-graph
11989 containing the parallel region.
11990 (expand_omp_for_1): Remove.
11991 (expand_omp_for_generic): Re-implement to emit code into the
11992 CFG.
11993 (expand_omp_for_static_nochunk): Likewise.
11994 (expand_omp_for_static_chunk): Likewise.
11995 (expand_omp_for): Likewise.
11996 (expand_omp_sections): Likewise.
11997 (remove_exit_barriers): New.
11998 (expand_omp_synch): New.
11999 (expand_omp): New.
12000 (build_omp_regions_1): New.
12001 (build_omp_regions): New.
12002 (execute_expand_omp): New.
12003 (gate_expand_omp): New.
12004 (pass_expand_omp): Define.
12005 (lower_omp_sections): Rename from expand_omp_sections.
12006 Set OMP_SECTIONS_SECTIONS.
12007 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12008 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12009 (lower_omp_single): Rename from expand_omp_simple.
12010 (lower_omp_master): Rename from expand_omp_master.
12011 (lower_omp_ordered): Rename from expand_omp_ordered.
12012 (lower_omp_critical): Rename from expand_omp_critical.
12013 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12014 (lower_omp_for): Re-implement.
12015 (lower_omp_parallel): Re-implement.
12016 (lower_regimplify): Rename from expand_regimplify.
12017 (lower_omp_1): Rename from expand_omp_1.
12018 If there are syntax errors in the program, replace every
12019 OpenMP directive with NOP.
12020 Call lower_omp_* instead of expand_omp_*.
12021 (lower_omp): Rename from expand_omp.
12023 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12024 * tree-gimple.h (enum omp_parallel_type): Remove.
12025 (gimple_boolify): Declare extern.
12026 (find_omp_clause, determine_parallel_type): Remove.
12028 * gimple-low.c (lower_omp_directive): New.
12029 (lower_stmt): Call it.
12030 (record_vars_into): Move from ...
12031 (record_vars): ... here.
12032 Call record_vars_into with current_function_decl.
12034 * gimplify.c (struct gimplify_ctx): Remove fields
12035 combined_pre_p and combined_ctxp. Update users.
12036 (get_formal_tmp_var): Add documentation.
12037 (gimple_boolify): Make extern.
12038 (gimplify_expr_in_ctx): Remove. Update callers.
12039 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12040 will always be a BIND_EXPR.
12041 (gimplify_expr): Handle OMP_RETURN_EXPR.
12042 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12043 (OMP_PARALLEL): Add 3 operands.
12044 (OMP_SECTIONS): Add 1 operand.
12045 (OMP_RETURN_EXPR): Define.
12047 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12048 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12049 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12050 creating a circular free list.
12051 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12053 * tree-flow.h (move_sese_region_to_fn): Declare.
12054 (record_vars_into): Declare.
12055 * tree-cfg.c (make_omp_sections_edges): New.
12056 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12057 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12058 OMP_SECTIONS and OMP_SECTION.
12059 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12060 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12061 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12062 (gather_blocks_in_sese_region): New.
12063 (struct move_stmt_d): Declare.
12064 (move_stmt_r): New.
12065 (move_block_to_fn): New.
12066 (move_sese_region_to_fn): New.
12068 * passes.c (init_optimization_passes): Schedule
12069 pass_expand_omp after pass_init_datastructures.
12071 * tree-ssa-operands.c (get_expr_operands): Handle
12072 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12073 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12075 2006-01-19 Jeff Law <law@redhat.com>
12077 * tree-vrp.c (extract_range_from_assert): Refine the result range
12078 if the variable referenced by the ASSERT_EXPR has a range and
12079 either the tentative result range or the previous range is a
12080 VR_ANTI_RANGE.
12082 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12084 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12086 2006-01-19 Jan Hubicka <jh@suse.cz>
12088 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12090 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12092 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12093 (expand_compound_operation, expand_field_assignment): Fail if the
12094 bit lengths of an extract operation are out of range.
12095 (make_extraction): Compute wanted_inner_mode based on the position
12096 and length of the extraction. Make it extraction_mode for non-constant
12097 positions, and do not modify offset in that case. When generating a
12098 new MEM, use a mode that can hold the extraction while keeping correct
12099 alignment. Remove code that supported MEMs wrapped by USEs.
12100 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12102 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12104 * config/s390/s390.md ("Y", "y"): New mode attribute.
12105 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12106 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12107 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12108 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12109 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12110 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12111 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12112 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12113 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12114 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12115 "addsi3", "subsi3"): Insn patterns removed.
12116 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12117 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12118 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12119 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12120 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12121 "*sub<mode>3_cconly2"): New insn patterns.
12122 ("addsi3", "subsi3"): New expanders.
12124 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12126 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12127 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12128 existing STMT_VINFO_VECTYPE if available.
12129 (vect_mark_relevant): Add special handling for stmts that are
12130 marked as STMT_VINFO_IN_PATTERN_P.
12131 (vect_analyze_loop): Call vect_pattern_recog.
12132 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12133 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12134 stmt_info.
12135 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12136 (vect_recog_func_ptr): New function-pointer type.
12137 * tree-vect-patterns.c: New file.
12138 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12139 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12140 (vect_pattern_recog_1): New functions.
12141 (vect_pattern_recog_funcs): New array of function pointers.
12143 * tree-vectorizer.h (ternary_op): New enum value.
12144 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12145 declaration. Revised documentation. Removed redundant dump prints.
12146 Removed redundant argument. Added support for reduction patterns.
12147 (vectorizable_reduction): Added support for reduction patterns.
12148 (vect_transform_stmt): Added support for patterns.
12150 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12151 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12152 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12153 (expand_widen_pattern_expr): New function.
12154 (init_optabs): Initialize new optabs udot_prod_optab,
12155 sdot_prod_optab.
12156 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12157 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12158 (expand_widen_pattern_expr): New function declaration.
12159 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12160 tree-codes.
12161 * tree-inline.c (estimate_num_insns_1): Added cases for new
12162 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12163 * tree-pretty-print.c (dump_generic_node): Likewise.
12164 (op_prio): Likewise.
12165 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12166 * tree-ssa-operands.c (get_expr_operands): Added case for
12167 DOT_PROD_EXPR.
12168 * tree-vect-patterns.c (widened_name_p): New function.
12169 (vect_recog_dot_prod_pattern): Added function implementation.
12170 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12171 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12172 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12173 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12175 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12176 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12177 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12178 (init_optabs): Initialize new optabs widen_ssum_optab,
12179 widen_usum_optab.
12180 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12181 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12182 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12183 use instead of type of def.
12184 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12185 function implementation.
12186 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12187 widen_ssumv8hi): New.
12189 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12190 patterns.
12192 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12194 PR c/25805
12195 * c-decl.c (add_flexible_array_elts_to_size): New function.
12196 (finish_decl): Use it.
12198 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12200 * diagnostic.h: Include options.h.
12201 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12202 dependancies for diagnostic.h.
12203 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12205 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12207 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12208 (ssa_ro_call_cache_valid): Ditto.
12209 * tree-ssa-alias.c (sort_tags_by_id): New function.
12210 (init_transitive_clobber_worklist): Ditto.
12211 (add_to_worklist): Ditto.
12212 (mark_aliases_call_clobbered): Ditto.
12213 (compute_tag_properties): Ditto.
12214 (set_initial_properties): Ditto.
12215 (compute_call_clobbered): Ditto.
12216 (compute_may_aliases): Call compute_call_clobbered and grouping.
12217 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12218 (compute_flow_insensitive_aliasing): Grouping now happens in our
12219 caller.
12220 (setup_pointers_and_addressables): Remove clobbering related code.
12221 (add_may_alias): Ditto.
12222 (replace_may_alias): Ditto.
12223 (get_nmt_for): Ditto.
12224 (create_global_var):
12225 (is_escape_site): Return an escape_type enumeration.
12226 * tree-flow-inline.h (is_call_clobbered): Global var does not
12227 imply call clobbered.
12228 (mark_call_clobbered): Take a reason for marking this. Remove
12229 marking of globalness, and cache invalidation.
12230 (clear_call_clobbered): Remove cache invalidation code.
12231 * tree-dfa.c (dump_variable): If details is on, dump the reason
12232 for escaping.
12233 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12234 variable.
12235 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12236 (struct var_ann_d): Ditto.
12237 (enum escape_type): New.
12238 (mark_call_clobbered): Adjust prototype.
12239 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12240 are never call clobbered.
12241 Record reasons for escaping.
12242 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12243 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12244 (ssa_ro_call_cache_valid): Ditto.
12245 (clobbered_v_may_defs): Ditto.
12246 (clobbered_vuses): Ditto.
12247 (ro_call_vuses): Ditto.
12248 (clobber_stats): New.
12249 (init_ssa_operands): Zero out clobber stats.
12250 (fini_ssa_operands): Print out clobber stats.
12251 (get_call_expr_operands): Pass callee fndecl to
12252 add_call_read_ops).
12253 (add_call_clobber_ops): Remove use of cache.
12254 Add use of PURE_CONST information.
12255 (add_call_read_ops): Remove use of cache.
12256 Add use of static not_read information.
12258 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12260 Introduce TLS descriptors for i386 and x86_64.
12261 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12262 (TARGET_ANY_GNU_TLS): New macro.
12263 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12264 (struct machine_function): Add tls_descriptor_call_expanded_p.
12265 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12266 (ix86_current_function_calls_tls_descriptor): Likewise.
12267 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12268 (override_options): Introduce gnu2 tls dialect.
12269 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12270 not leaves.
12271 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12272 Likewise.
12273 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12274 (ix86_init_machine_status): Initialize new field.
12275 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12276 (ix86_tls_module_base): New.
12277 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12278 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12279 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12280 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12281 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12282 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12283 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12284 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12285 * config/i386/predicates.md (tls_modbase_operand): New.
12286 (tp_or_register_operand): New.
12288 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12290 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12291 (look_for_address_of): Ditto.
12292 (ipa_init): Walk the function decls.
12293 (static_execute): Don't set readonly on FUNCTION_DECL's.
12295 2006-01-18 Roger Sayle <roger@eyesopen.com>
12297 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12298 for shifts where the source and destination registers are different.
12300 2006-01-18 Paul Brook <paul@codesourcery.com>
12302 Merge from csl-arm-branch.
12303 2005-03-14 Julian Brown <julian@codesourcery.com>
12304 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12305 (aeabi_llsl): Likewise.
12306 (ashrdi3): Likewise.
12307 (aeabi_lasr): Likewise.
12308 (lshrdi3): Likewise.
12309 (aeabi_llsr): Likewise.
12310 2005-03-10 Julian Brown <julian@codesourcery.com>
12311 * config.gcc: Disable shared libgcc for SymbianOS.
12312 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12314 2006-01-18 DJ Delorie <dj@redhat.com>
12316 * c-pragma.c (handle_pragma_diagnostic): New.
12317 (init_pragma): Register it.
12318 * doc/extend.texi: Document it.
12320 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12321 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12322 (diagnostic_context): Add classify_diagnostic[].
12323 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12324 as errors if they're overridden to DK_WARNING.
12325 (diagnostic_initialize): Initialize classify_diagnostic[].
12326 (diagnostic_set_kind_override): New.
12327 (diagnostic_report_diagnostic): Check for kind changes.
12328 * opts.c (common_handle_option): Take lang_mask. Update callers.
12329 Handle OPT_Werror_.
12330 * common.opt (Werror=): New.
12331 * doc/invoke.texi: Document -Werror=*
12333 2006-01-18 Jeff Law <law@redhat.com>
12335 * tree-vrp.c (test_for_singularity): Correct test for new
12336 min limit. Use operand_equal_p rather than pointer equality
12337 for testing if new min/max values are equal.
12339 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12340 using range information until after propagation and folding.
12342 2006-01-18 Richard Henderson <rth@redhat.com>
12343 Aldy Hernandez <aldyh@redhat.com>
12344 Jakub Jelinek <jakub@redhat.com>
12345 Diego Novillo <dnovillo@redhat.com>
12347 * omp-low.c: New file.
12348 * c-omp.c: New file.
12350 2006-01-18 Richard Henderson <rth@redhat.com>
12351 Jakub Jelinek <jakub@redhat.com>
12352 Diego Novillo <dnovillo@redhat.com>
12354 * doc/invoke.texi: Document -fopenmp.
12355 * tree-dump.h (debug_function): Declare.
12356 * hooks.c (hook_bool_tree_bool_false): New function.
12357 (hook_tree_tree_null): Remove.
12358 (hook_tree_tree_tree_null): New.
12359 * hooks.h: Update to match.
12360 * tree-pretty-print.c (debug_tree_chain): New.
12361 (print_generic_expr): Handle TDF_CHAIN.
12362 (dump_generic_node): Handle BLOCK.
12363 Do not abort with incomplete SWITCH_EXPRs.
12364 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12365 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12366 print space after directive name.
12367 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12368 Handle OMP_MASTER and OMP_ORDERED.
12369 Handle printing of OMP_BODY just in one place, goto
12370 dump_omp_body in the rest of OMP_* nodes that have
12371 OMP_BODY.
12372 Don't handle clause nodes here. Update omp statements to
12373 use dump_omp_clauses.
12374 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12375 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12376 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12377 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12378 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12379 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12380 Adjust output for GOMP_PARALLEL.
12381 (dump_omp_clauses): New.
12382 (print_declaration): Dump DECL_VALUE_EXPR.
12383 (op_symbol_1): Split out of op_symbol.
12384 (dumping_stmts): Remove. Update all users.
12385 * cgraph.c (cgraph_analyze_queue): New.
12386 (cgraph_add_new_function): New.
12387 * cgraph.h (cgraph_analyze_queue): Declare.
12388 (cgraph_add_new_function): Declare.
12389 (cgraph_lower_function): Remove.
12390 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12391 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12392 and TYPE_P nodes in its default clause.
12393 (empty_body_p): New.
12394 (tree_range_check_failed): New.
12395 (build5_stat): New.
12396 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12397 OMP_CLAUSE_REDUCTION_MERGE,
12398 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12399 OMP_CLAUSE_PRIVATE_DEBUG,
12400 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12401 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12402 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12403 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12404 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12405 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12406 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12407 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12408 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12409 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12410 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12411 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12412 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12413 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12414 (TREE_RANGE_CHECK): New.
12415 (empty_body_p): Declare.
12416 (enum omp_clause_default_kind): New.
12417 (build_string_literal): Declare.
12418 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12419 (build5_stat, build5): Declare.
12420 * tree-pass.h (TDF_CHAIN): Define.
12421 * tree-pass.h (PROP_gimple_lomp): Define.
12422 (pass_lower_omp): Declare.
12423 * diagnostic.h (debug_tree_chain): Declare.
12424 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12425 mode_for_size.
12426 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12427 * builtins.c (build_string_literal): Make extern.
12428 * gcc.c (include_spec_function): New.
12429 (static_spec_functions): Add it.
12430 (main): Move load of libgomp.spec ...
12431 (LINK_COMMAND_SPEC): ... here.
12432 (link_gomp_spec): New.
12433 (static_specs): Include it.
12434 (LINK_COMMAND_SPEC): Add link_gomp.
12435 (GOMP_SELF_SPECS): New.
12436 (driver_self_specs): Include it.
12437 (switch_matches): Don't mark inline.
12438 (main): Load libgomp.spec.
12439 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12440 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12441 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12442 * tree-gimple.h (enum omp_parallel): Declare.
12443 (determine_parallel_type): Declare.
12444 (omp_firstprivatize_variable): Declare.
12445 (omp_reduction_init): Declare.
12446 (diagnose_omp_structured_block_errors): Declare.
12447 (struct walk_stmt_info): Add want_return_expr.
12448 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12449 (find_omp_clause): Declare.
12450 (insert_field_into_struct): Declare.
12451 (struct walk_stmt_info): Move from tree-nested.c
12452 (walk_stmts): Declare.
12453 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12454 to 200505.
12455 * cgraphunit.c (cgraph_lower_function): Make static.
12456 (cgraph_finalize_pending_functions): New.
12457 (cgraph_finalize_function): Call it.
12458 (cgraph_finalize_compilation_unit): Likewise.
12459 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12460 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12461 (BT_FN_UINT_UINT): New.
12462 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12463 DEF_FUNCTION_TYPE_VAR_4): Document.
12464 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12465 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12466 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12467 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12468 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12469 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12470 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12471 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12472 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12473 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12474 into separate files.
12475 (DEF_GOMP_BUILTIN): New.
12476 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12477 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12478 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12479 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12480 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12481 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12482 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12483 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12484 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12485 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12486 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12487 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12488 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12489 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12490 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12491 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12492 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12493 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12494 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12495 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12496 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12497 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12498 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12499 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12500 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12501 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12502 * sync-builtins.def: New file, moved from builtins.def.
12503 * omp-builtins.def: New file, moved from builtins.def.
12504 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12505 * gimple-low.c (lower_function_body): Clear data.
12506 (lower_stmt): Do not handle COMPOUND_EXPR.
12507 Remove call to print_node_brief.
12508 * c-tree.h (c_finish_omp_clauses): New prototype.
12509 (C_DECL_THREADPRIVATE_P): Define.
12510 (lookup_name_no_remap, c_omp_remap_private): Remove
12511 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12512 (check_for_loop_decls): Update decl.
12513 (lookup_name_no_remap, c_omp_remap_private): Declare.
12514 (build_indirect_ref, build_modify_expr, pushdecl,
12515 pushdecl_top_level): Move to c-common.h.
12516 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12517 before the switch, but just in the 2 places that need it.
12518 * c-decl.c (diagnose_mismatched_decls): Do not check for
12519 mismatched thread-local attributes when OLDDECL is marked
12520 threadprivate and NEWDECL has no thread-local attributes.
12521 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12522 (c_gimple_diagnostics_recursively): Rename from
12523 c_warn_unused_result_recursively. Invoke
12524 diagnose_omp_structured_block_errors.
12525 (check_for_loop_decls): Return a singular decl found.
12526 * langhooks.c (lhd_omp_predetermined_sharing): Return
12527 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12528 (lhd_omp_firstprivatize_type_sizes): New.
12529 (lhd_omp_assignment): New.
12530 (lhd_omp_predetermined_sharing): New.
12531 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12532 (struct lang_hooks_for_types): Add
12533 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12534 omp_predetermined_sharing, omp_disregard_value_expr,
12535 omp_private_debug_clause, omp_clause_default_ctor,
12536 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12537 (c_finish_omp_clauses): New.
12538 (c_finish_bc_stmt): Diagnose break within omp for.
12539 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12540 (build_unary_op): Return error_mark after reporting
12541 a readonly_error.
12542 (build_modify_expr): Likewise.
12543 * gimplify.c: Include optabs.h and pointer-set.h.
12544 (enum gimplify_omp_var_data): Declare.
12545 (struct gimplify_omp_ctx): Declare.
12546 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12547 and combined_ctxp.
12548 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12549 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12550 (splay_tree_compare_decl_uid): New.
12551 (new_omp_context): New.
12552 (delete_omp_context): New.
12553 (gimple_add_tmp_var): Call omp_add_variable.
12554 (gimplify_bind_expr): Likewise.
12555 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12556 true, disregard DECL_VALUE_EXPR on the decl if any.
12557 (gimplify_expr_in_ctx): New.
12558 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12559 omp_add_variable, omp_notice_variable, omp_is_private
12560 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12561 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12562 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12563 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12564 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12565 gimplify_omp_atomic): New.
12566 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12567 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12568 OMP_CRITICAL and OMP_ATOMIC.
12569 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12570 * c-pragma.h (enum pragma_kind): Add
12571 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12572 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12573 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12574 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12575 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12576 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12577 PRAGMA_OMP_THREADPRIVATE.
12578 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12579 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12580 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12581 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12582 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12583 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12584 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12585 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12586 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12587 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12588 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12589 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12590 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12591 OpenMP directives.
12592 (struct nesting_info): Add field_map,
12593 suppress_expansion, debug_var_chain.
12594 (create_nesting_tree): Initialize them.
12595 (lookup_field_for_decl): Use field_map.
12596 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12597 (convert_local_omp_clauses): New.
12598 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12599 (walk_body): Split out of walk_function.
12600 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12601 (convert_nonlocal_reference): Handle omp statements.
12602 (convert_local_reference): Likewise.
12603 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12604 (unnest_nesting_tree): New.
12605 (lower_nested_functions): Call it.
12606 (insert_field_into_struct): Make extern.
12607 (struct walk_stmt_info): Move to tree-gimple.h.
12608 (walk_stmts): Make extern.
12609 * omp-builtins.def: New file.
12610 * tree-iterator.c (expr_only): Clarify comment.
12611 * c-common.h (pushdecl_top_level, pushdecl,
12612 build_modify_expr, build_indirect_ref,
12613 c_finish_omp_master, c_finish_omp_critical,
12614 c_finish_omp_ordered, c_finish_omp_barrier,
12615 c_finish_omp_atomic, c_finish_omp_flush,
12616 c_finish_omp_for, c_split_parallel_clauses,
12617 omp_clause_default_kind, c_omp_sharing_predetermined,
12618 c_omp_remap_decl): Declare.
12619 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12620 (OBJS-common): Add omp-low.o.
12621 (c-omp.o, omp-low.o): Add.
12622 (gimplify.o): Add dependency on $(OPTABS_H).
12623 (GTFILES): Add omp-low.c.
12624 (gt-stringpool.h): Add.
12625 * tree-cfg.c (set_bb_for_stmt): Do not update the
12626 block-to-labels map if we are currently expanding to RTL.
12627 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12628 checks.
12629 Handle IDENTIFIER_NODE.
12630 (tree_verify_flow_info): Do not ICE when emitting error
12631 messages about invalid labels.
12632 (dump_function_to_file): Reset CFUN before emitting the body
12633 of the function.
12634 (debug_function): New.
12635 * passes.c (init_optimization_passes): Schedule
12636 pass_lower_omp.
12637 * langhooks-def.h (lhd_omp_predetermined_sharing,
12638 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12639 Declare.
12640 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12641 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12642 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12643 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12644 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12645 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12646 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12647 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12648 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12649 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12650 (LANG_HOOK_DECLS): Use them.
12652 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12653 Richard Henderson <rth@redhat.com>
12654 Jakub Jelinek <jakub@redhat.com>
12655 Diego Novillo <dnovillo@redhat.com>
12657 * c-parser.c (pragma_omp_clause): Define.
12658 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12659 (c_parser_compound_statement): Likewise.
12660 (c_parser_statement): Likewise.
12661 (c_parser_pragma): Handle omp pragmas.
12662 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12663 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12664 (c_parser_omp_clause_name, check_no_duplicate_clause,
12665 c_parser_omp_variable_list,
12666 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12667 c_parser_omp_clause_copyprivate,
12668 c_parser_omp_clause_default,
12669 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12670 c_parser_omp_clause_lastprivate,
12671 c_parser_omp_clause_nowait,
12672 c_parser_omp_clause_num_threads,
12673 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12674 c_parser_omp_clause_reduction,
12675 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12676 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12677 c_parser_omp_atomic, c_parser_omp_barrier,
12678 c_parser_omp_critical, c_parser_omp_flush,
12679 c_parser_omp_for_loop, c_parser_omp_for,
12680 c_parser_omp_master, c_parser_omp_ordered,
12681 c_parser_omp_sections_scope, c_parser_omp_sections,
12682 c_parser_omp_parallel, c_parser_omp_single,
12683 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12684 * c-pragma.c (init_pragma): Do omp pragma registration here.
12685 * c.opt (fopenmp): New flag.
12687 2006-01-18 Eric Christopher <echristo@apple.com>
12689 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12690 * config/darwin.h (GOMP_SELF_SPECS): Define.
12692 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12694 * rtl.h: Remove the prototype for reg_alloc.
12696 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12698 PR target/25731
12699 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12700 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12701 sjlj and dwarf2 exception handling.
12702 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12703 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12704 * pa/pa.c (function_value): Treat complex and vector types as
12705 aggregates.
12706 (function_arg): Likewise. Only pass scalar floats in the floating
12707 point argument registers.
12708 * pa/t-slibgcc-dwarf-ver: New file.
12709 * pa/t-slibgcc-sjlj-ver: New file.
12710 * pa/t-slibgcc-elf-ver: Delete file.
12712 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12714 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12715 unlikely_test_section_p test.
12717 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12719 * mode-switching.c (optimize_mode_switching): Make it static.
12720 * basic-block.h: Remove the prototype for
12721 optimize_mode_switching.
12723 * modulo-sched.c (sms_schedule): Make it static.
12724 * rtl.h: Remove the prototype for sms_schedule.
12726 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12727 * rtl.h: Remove the prototype for gcse_after_reload_main.
12729 * reg-stack.c (reg_to_stack): Make it static.
12730 * rtl.h: Remove the prototype for reg_to_stack.
12732 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12733 Make them static.
12734 * rtl.h: Remove the prototypes for regrename_optimize and
12735 copyprop_hardreg_forward.
12737 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12739 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12740 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12741 Test against the appropriate null constant for the mode.
12742 If 'fixup_overlap' is true, swap the operands if they overlap.
12743 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12744 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12745 alpha_split_tmode_pair and adjust for above change.
12746 * config/alpha/alpha.md (movtf_internal): Adjust call to
12747 alpha_split_tfmode_pair and rely on it to swap the operands.
12748 (movti_internal): New insn and post-reload splitter.
12749 (movti): New expander.
12751 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12753 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12754 operands.
12756 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12758 * rtlanal.c (global_reg_mentioned_p_1,
12759 global_reg_mentioned_p): Remove.
12760 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12762 * flow.c (initialize_uninitialized_subregs): Make it static.
12763 * rtl.h: Remove the prototype for
12764 initialize_uninitialized_subregs.
12766 * function.c (instantiate_virtual_regs): Make it static.
12767 * function.h: Remove the prototype for
12768 instantiate_virtual_regs.
12770 * regmove.c (regmove_optimize, combine_stack_adjustments):
12771 Make them static.
12772 * rtl.h: Remove the prototypes for regmove_optimize and
12773 combine_stack_adjustments.
12775 2006-01-17 Roger Sayle <roger@eyesopen.com>
12777 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12778 (size_cost): Encode costs in bytes so that a reg-reg addition is
12779 equivalent to COSTS_N_INSNS(1).
12780 (override_options): Use the size_cost.branch_cost as the default
12781 ix86_branch_cost when optimizing for size.
12783 2006-01-18 Ben Elliston <bje@au.ibm.com>
12785 * Makefile.in (D32PBIT_FUNCS): New.
12786 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12787 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12788 D64PBIT_FUNCS and D128PBIT_FUNCS.
12789 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12790 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12791 D128PBIT are set.
12792 (decnumber_dep): Define.
12793 * doc/libgcc.texi (Decimal float library routines): New node.
12794 * config/dfp-bit.h, config/dfp-bit.c: New files.
12796 2006-01-18 Ben Elliston <bje@au.ibm.com>
12798 * expr.c (emit_move_change_mode): Always adjust addresses, not
12799 just during reload. Copy replacements only during reload.
12800 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12801 emit_move_via_integer.
12803 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12805 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12806 instead of $(srcdir) and ${srcdir}.
12808 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12810 PR target/592
12811 PR middle-end/11135
12812 * arm.h (struct machine_function): Add pic_reg.
12813 * arm.c (arm_pic_register): Make unsigned.
12814 (arm_override_options): Only set arm_pic_register if
12815 TARGET_SINGLE_PIC_BASE.
12816 (use_return_insn): Only test for a pic register if it is fixed.
12817 (arm_compute_save_reg0_reg12_mask): Likewise.
12818 (thumb_compute_save_reg_mask): Likewise.
12819 (legitimate_pic_operand): Factor out some known invariants.
12820 (legitimize_pic_address): If we don't have a fixed pic register,
12821 then set up a pseudo in the function entry sequence. Handle the
12822 pic base being in a pseudo.
12823 (arm_load_pic_register): Handle the pic register being in a pseudo.
12824 (arm_expand_prologue): Only set up the pic register if it is fixed.
12825 (thumb_expand_prologue): Likewise.
12826 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12827 (pic_load_addr_based_insn): Likewise.
12828 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12829 fixed.
12831 2006-01-18 Ben Elliston <bje@au.ibm.com>
12833 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12834 decimal float modes for all floating point registers.
12836 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12837 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12839 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12841 PR c/25682
12842 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12843 even when the pointer is not NULL.
12845 2006-01-16 Ian Lance Taylor <ian@airs.com>
12847 * common.opt (ftoplevel-reorder): New option.
12848 * cgraph.c (cgraph_asm_nodes): New global variable.
12849 (cgraph_asm_last_node): New static variable.
12850 (cgraph_order): New global variable.
12851 (cgraph_create_node): Set new order field.
12852 (cgraph_varpool_node): Likewise.
12853 (decide_is_variable_needed): Return true if not
12854 flag_toplevel_reorder.
12855 (cgraph_add_asm_node): New function.
12856 * cgraph.h (struct cgraph_node): Add order field.
12857 (struct cgraph_varpool_node): Add order field.
12858 (struct cgraph_asm_node): Define.
12859 (cgraph_asm_nodes, cgraph_order): Declare.
12860 (cgraph_add_asm_node): Declare.
12861 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12862 function.
12863 (cgraph_varpool_assemble_pending_decls): Call it.
12864 (cgraph_output_pending_asms): New static function.
12865 (cgraph_finalize_compilation_unit): Call it.
12866 (struct cgraph_order_sort): Define.
12867 (cgraph_output_in_order): New static function.
12868 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12869 !flag_toplevel_reorder case.
12870 * c-parser.c: Include "cgraph.h".
12871 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12872 assemble_asm.
12873 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12874 than -fno-unit-at-a-time.
12875 * doc/invoke.texi (Option Summary): Mention
12876 -fno-toplevel-reorder.
12877 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12878 -funit-at-a-time documentation.
12880 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
12881 Kazu Hirata <kazu@codesourcery.com>
12883 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
12885 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
12887 * Makefile.in (FUNCTION_H): New. Use it instead of
12888 function.h throughout the file.
12889 * function.h: Include tree.h.
12891 2006-01-17 Ben Elliston <bje@au.ibm.com>
12893 * recog.c: Separate some functions with whitespace.
12895 2006-01-16 Richard Henderson <rth@redhat.com>
12897 Merge from gomp branch:
12898 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12899 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12900 and rename from struct inline_data. Rename callee* to dst*;
12901 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12902 transform_new_cfg, transform_return_to_modify, and
12903 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12904 update_clones_p.
12905 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12906 (copy_decl_for_dup): Remove.
12907 * tree-inline.c (struct inline_data): Move to header.
12908 (insert_decl_map): Export.
12909 (remap_decl): Update for member name changes. Use copy_decl hook.
12910 Allow for replacement to be a non-decl. Remove dead code.
12911 (remap_type_1): Check for existing mapping.
12912 (remap_type): Export.
12913 (remap_decls): Update for member name changes.
12914 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12915 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12916 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12917 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12918 (tree_function_versioning, build_duplicate_type): Likewise.
12919 (copy_body_r): Likewise. Export.
12920 (copy_decl_for_dup): Split into ...
12921 (copy_decl_for_dup_finish, copy_decl_to_var,
12922 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12923 (replace_ref_tree, inlining_p): Remove.
12925 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12927 * ifcvt.c (if_convert): Make it static.
12928 * rtl.h: Remove the prototype for if_convert.
12930 * local-alloc.c (local_alloc): Make it static.
12931 * rtl.h: Remove the prototype for local_alloc.
12933 * loop.c (loop_optimize): Make it static.
12934 * cfgloop.h: Remove the prototype for loop_optimize.
12935 * rtl.h: Likewise.
12937 2006-01-16 DJ Delorie <dj@redhat.com>
12939 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12940 mems.
12942 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12944 * pa.md: Disparage copies between general and floating-point registers
12945 in 32-bit move patterns.
12947 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12949 PR testsuite/25741
12950 * Makefile.in (check-%): Depend on site.exp instead of
12951 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12952 directories.
12954 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12956 * global.c (global_alloc): Make it static.
12957 * rtl.h: Remove the prototype for global_alloc.
12959 2006-01-16 Richard Guenther <rguenther@suse.de>
12961 * tree-ssa-alias.c (struct used_part): Add write_only field.
12962 (get_or_create_used_part_for): Initialize it to true.
12963 (create_overlap_variables_for): Don't create structure variables
12964 for structures that only are written to.
12965 (find_used_portions): Handle MODIFY_EXPR to track whether a
12966 structure is only written to.
12968 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12970 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12971 static.
12972 * basic-block.h: Remove the prototype for
12973 partition_hot_cold_basic_blocks.
12975 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12977 * cppspec.c (lang_specific_spec_functions): Remove.
12978 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12979 * gcc.h (lang_specific_spec_functions): Remove.
12980 * gccspec.c (lang_specific_spec_functions): Remove.
12982 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12984 * combine.c (record_value_for_reg): Invalidate registers
12985 if INSN is null.
12986 (record_dead_and_set_regs_1): Likewise, by passing them to
12987 record_value_for_reg.
12988 (record_dead_and_set_regs): Invalidate stores made by a
12989 call. We do not combine across a call, but we still
12990 relied on equivalences.
12992 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12994 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12995 vrp_int_const_binop returning non-constant nodes.
12997 2006-01-16 Paul Brook <paul@codesourcery.com>
12999 * config/m68k/m68k.c (output_move_const_into_data_reg):
13000 Output correct mnemonic for mvz and mvs.
13002 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13004 * rtl-factoring.c: Add sequence abstraction algorithm.
13005 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13006 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13007 ABNORMAL edges.
13008 (block_has_preserve_label): New function.
13009 * common.opt: Register new pass.
13010 * Makefile.in: Ditto.
13011 * passes.c: Ditto.
13012 * timevar.def: Ditto.
13013 * tree-pass.h: Ditto.
13014 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13015 * rtl.h (make_jump_insn_raw): Add forward decl.
13016 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13018 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13019 Roger Sayle <roger@eyesopen.com>
13021 * fold-const.c (fold_minmax): New static function.
13022 (fold_binary) <MIN_EXPR>: Call it.
13023 <MAX_EXPR>: Likewise.
13024 * stor-layout.c (place_field): Use DECL_SIZE consistently
13025 in the computation of the new record size.
13027 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13029 * cse.c (cse_condition_code_reg): Make it static.
13030 * rtl.h: Remove the prototype for cse_condition_code_reg.
13032 * combine.c (combine_instructions): Make it static.
13033 * rtl.h: Remove the prototype for combine_instructions.
13035 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13037 PR target/25168
13038 * tree.c (get_file_function_name_long): Concatenate the first global
13039 object name with a string derived from the input filename of the object
13040 for type "F".
13042 2006-01-16 Ben Elliston <bje@au.ibm.com>
13044 * config/i386/winnt-stubs.c: Update FSF address.
13045 * config/xtensa/ieee754-df.S: Ditto.
13046 * config/xtensa/ieee754-sf.S: Ditto.
13048 2006-01-14 Ian Lance Taylor <ian@airs.com>
13050 * ifcvt.c (noce_init_if_info): New static function, broken out of
13051 noce_process_if_block.
13052 (noce_process_if_block): Call noce_init_if_info.
13053 (check_cond_move_block): New static function.
13054 (cond_move_process_if_block): New static function.
13055 (process_if_block): Call cond_move_process_if_block.
13057 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13059 * cselib.c (hash_table): Rename to cselib_hash_table.
13060 (cselib_clear_table, discard_useless_values,
13061 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13062 cselib_init, cselib_finish): Adjust uses of hash_table.
13064 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13066 PR tree-optimization/25485
13067 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13068 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13069 is known to be false and true, respectively.
13071 2006-01-14 Richard Guenther <rguenther@suse.de>
13073 PR tree-optimization/22548
13074 PR tree-optimization/22555
13075 PR tree-optimization/22501
13076 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13077 * params.def (salias-max-array-elements): New parameter.
13078 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13079 * doc/invoke.texi (salias-max-array-elements): Document.
13080 * tree-flow-inline.h (var_can_have_subvars): We also handle
13081 arrays now.
13082 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13083 COMPONENT_REF.
13084 * tree-ssa-structalias.c (params.h): Include.
13085 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13086 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13087 (get_constraint_for): For ADDR_EXPR operating on something
13088 containing an ARRAY_REF, add all subvars to the solution.
13089 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13090 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13091 for creating MUST_DEFs.
13092 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13094 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13096 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13097 functions.
13098 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13099 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13100 number_of_iterations_le): New functions.
13101 (number_of_iterations_special): Removed.
13102 (number_of_iterations_exit): Do not use number_of_iterations_special.
13103 * tree.c (unsigned_type_for): Always return integer type.
13105 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13106 Richard Guenther <rguenther@suse.de>
13108 PR rtl-optimization/24257
13109 * gcse.c (find_moveable_store): Only consider a store movable
13110 when the SET_SRC of the insn can be assigned to a register.
13112 2006-01-14 Ian Lance Taylor <ian@airs.com>
13114 * tree.c (tree_not_class_check_failed): New function.
13115 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13116 (tree_not_class_check_failed): Declare.
13118 2006-01-13 Ian Lance Taylor <ian@airs.com>
13120 * reload1.c (do_output_reload): Add assertion rejecting a
13121 CALL_INSN.
13123 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13125 * combine.c (struct reg_stat): Add new fields truncation_label and
13126 truncated_to_mode.
13127 (record_value_for_reg): Reset truncated_to_mode.
13128 (record_truncated_value): New function.
13129 (check_promoted_subreg): Call it. Rename to check_conversions.
13130 (combine_instructions): Rename check_promoted_subreg to
13131 check_conversions.
13132 (reg_truncated_to_mode): New function.
13133 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13134 (gen_lowpart_or_truncate): New function.
13135 (force_to_mode): Use it instead of gen_lowpart.
13137 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13139 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13140 VAR is a tag, not its type tag.
13142 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13144 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13145 alternatives to match style of other entries.
13146 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13148 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13150 PR tree-optimization/25771
13151 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13152 SSA_NAMES.
13154 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13156 PR tree-opt/24365
13157 * tree-inline.c (declare_return_variable): If the return variable
13158 was marked as a non gimple complex, set the return slot variable
13159 to be a non gimple comple variable.
13161 2006-01-13 Richard Guenther <rguenther@suse.de>
13163 * builtins.c (expand_builtin_sincos): New function.
13164 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13165 do not set errno.
13166 (expand_builtin): Expand sincos using expand_builtin_sincos.
13168 2006-01-12 DJ Delorie <dj@redhat.com>
13170 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13171 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13172 so that constant shifts can be split.
13173 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13174 (m32c_valid_pointer_mode): Make static.
13175 (shift_gen_func_for): New.
13176 (m32c_prepare_shift): Use it. Split large const shifts into
13177 multiple shifts.
13178 * config/m32c/predicates.md (shiftcount_operand): Allow more
13179 general operands.
13180 (longshiftcount_operand): New.
13181 * doc/md.texi (Machine Constraints): Document In6.
13183 2006-01-13 Ben Elliston <bje@au.ibm.com>
13185 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13186 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13187 documentation.
13189 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13191 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13192 to try to avoid clobbering pieces of structures when we know
13193 something about the whole structure.
13194 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13196 2006-01-13 Ben Elliston <bje@au.ibm.com>
13198 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13199 return in memory, as this is no limitation is no longer present.
13201 2006-01-12 DJ Delorie <dj@redhat.com>
13203 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13204 mova with fb, and for fb+0 -> An.
13206 * config/m32c/mov.md (peephole2): Fix enabling logic.
13208 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13209 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13210 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13211 FINI_ARRAY_SECTION_ASM_OP): Define.
13213 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13214 variable.
13215 (m32c_legitimize_reload_address): New logic to reload FB to An.
13216 (m32c_output_reg_push): Add newline.
13217 (m32c_output_reg_pop): Likewise.
13219 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13221 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13223 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13225 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13227 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13229 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13230 match_code.
13232 2006-01-11 Ben Elliston <bje@au.ibm.com>
13234 * rtlanal.c (find_reg_note): Assert insn is not null.
13236 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13238 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13239 ifdef.
13241 2006-01-11 Jeff Law <law@redhat.com>
13243 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13244 hold edge pairs.
13245 (mark_threaded_blocks, register_jump_thread): New functions.
13246 (thread_through_all_blocks): Remove unwanted argument. No
13247 longer rely on e->aux to communicate thread target info.
13248 Call mark_threaded_blocks. Release the threaded_blocks
13249 bitmap and threaded_edges vector when complete.
13250 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13251 (threaded_blocks): Remove.
13252 (tree_ssa_dominator_optimize): Remove initialization and
13253 finalization of threaded_blocks. Simplify call to
13254 thread_through_all_blocks.
13255 (thread_across_edge): Call register_jump_thread rather than
13256 storing thread information into e->aux.
13257 (free_all_edge_infos): Simplify now that e->aux is no longer
13258 used to communicate with thread_through_all_blocks.
13259 * tree-flow.h (thread_through_all_blocks): Update prototype.
13260 (register_jump_thread): Prototype.
13262 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13264 * df-core.c (df_compact_blocks, df_bb_replace): Use
13265 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13267 2006-01-11 Richard Guenther <rguenther@suse.de>
13269 PR tree-optimization/25734
13270 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13271 stop propagation after successful propagation to the LHS.
13273 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13275 * basic-block.h (control_flow_graph): Change the type of
13276 x_basic_block_info to VEC(basic_block,gc) *.
13277 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13278 basic_block_info.
13279 (SET_BASIC_BLOCK): New.
13280 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13281 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13282 * cfgbuild.c (find_basic_blocks): Likewise.
13283 * cfglayout.c (fixup_reorder_chain): Likewise.
13284 * cfgrtl.c (create_basic_block_structure,
13285 rtl_create_basic_block): Likewise.
13286 * ifcvt.c (find_if_case_1): Likewise.
13287 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13288 Likewise.
13290 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13292 * Makefile.in: Removed rotted odf.c entry.
13294 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13296 PR target/25706
13297 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13298 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13299 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13300 output pattern modifier, not %e.
13301 * config/cris/cris.c (cris_op_str): Update comment about pattern
13302 modifier.
13303 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13304 before falling through into...
13305 <case 'E'>: Redefined from old 'e' case.
13307 2006-01-11 Jan Hubicka <jh@suse.cz>
13309 PR target/25042
13310 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13312 2006-01-11 Jan Hubicka <jh@suse.cz>
13314 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13315 * i386.c (x86_decompose_lea): Kill.
13316 (ix86_rtx_costs): Kill.
13318 2006-01-11 Jan Hubicka <jh@suse.cz>
13320 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13321 * cgraph.h (cgraph_node): Add inline_decl.
13322 (cgraph_insert_node_to_hashtable): Declare.
13323 (save_inline_function_body): Declare.
13324 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13325 clones.
13326 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13327 (cgraph_function_versioning): Update call of tree_function_versioning.
13328 (save_inline_function_body): New function.
13329 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13330 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13331 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13332 (cgraph_default_inline_p): Likewise.
13333 (cgraph_decide_inlining_incrementally): Likewise.
13334 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13335 (copy_bb): Kill saving; do updating of clones.
13336 (copy_cfg_body): Kill saving.
13337 (initialize_inlined-parameters): Likewise.
13338 (expand_call_inline): Likewise.
13339 (save_body): Kill.
13340 (tree_function_versioning): New parameter "update_clones".
13341 (inlining_p): Kill saving.
13342 * tree-inline.h (tree_function_versioning): Update prototype.
13343 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13344 saving.
13346 2006-01-11 Ian Lance Taylor <ian@airs.com>
13348 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13349 Allow undoing set of machine mode.
13350 (do_SUBST): Use enums instead of is_int.
13351 (do_SUBST_MODE): New function.
13352 (SUBST_MODE): New macro.
13353 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13354 reg and trying to replace reg_regno_rtx with a new register.
13355 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13356 (simplify_set): Use SUBST_MODE.
13357 (distribute_notes): Remove code that tried to update reg notes
13358 for regno_reg_rtx changes.
13360 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13362 PR tree-optimization/23109
13363 PR tree-optimization/23948
13364 PR tree-optimization/24123
13366 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13367 * tree-cfg.c (single_noncomplex_succ): New.
13368 * tree-flow.h (single_noncomplex_succ): Declare it.
13369 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13370 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13371 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13372 insert_bb, register_division_in, insert_reciprocals,
13373 replace_reciprocal, free_bb): New.
13374 (execute_cse_reciprocals_1): Rewritten.
13375 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13376 Do not commit any edge insertion. Always compute dominators and
13377 create the allocation pool.
13378 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13379 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13380 * targhooks.c (default_min_divistions_for_recip_mul): New.
13381 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13382 * passes.c (init_optimization_passes): Run recip after tree loop
13383 optimizations.
13384 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13386 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13387 Kenneth Zadeck <zadeck@naturalbridge.com>
13389 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13390 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13391 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13392 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13393 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13394 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13395 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13396 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13397 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13398 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13399 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13400 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13401 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13402 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13403 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13404 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13405 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13406 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13407 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13408 DF_SCAN_POST_ALLOC): New macros.
13409 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13410 df_free_bb_function, df_local_compute_function, df_init_function,
13411 df_dataflow_function, df_confluence_function_0,
13412 df_confluence_function_n, df_transfer_function,
13413 df_finalizer_function, df_free_function, df_dump_problem_function,
13414 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13415 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13416 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13417 df_urec_bb_info, ) New types.
13418 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13419 variables.
13420 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13421 df_analyze_simple_change_some_blocks,
13422 df_analyze_simple_change_one_block, df_compact_blocks,
13423 df_bb_replace, df_bb_regno_last_use_find,
13424 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13425 df_insn_regno_def_p, df_find_def, df_find_use,
13426 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13427 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13428 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13429 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13430 debug_df_chain, df_get_dependent_problem, df_chain_create,
13431 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13432 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13433 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13434 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13435 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13436 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13437 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13438 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13439 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13440 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13441 df_reorganize_refs, df_set_state, df_hard_reg_init,
13442 df_read_modify_subreg_p) New public functions.
13443 * df-core.c: The core dataflow solver and glue routines for rtl
13444 dataflow.
13445 (df_init, df_add_problem, df_set_blocks, df_finish,
13446 df_hybrid_search_forward, df_hybrid_search_backward,
13447 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13448 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13449 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13450 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13451 df_reg_defined, df_find_use, df_reg_used, df_dump,
13452 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13453 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13454 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13455 debug_df_useno, reset_df_after_reload): New functions.
13456 * df-scan.c: The scanning fuctions, once in df.c, completely
13457 rewritten so that they now fully model the functionality of
13458 register usage at the backend.
13459 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13460 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13461 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13462 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13463 df_get_artificial_defs, df_get_artificial_uses,
13464 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13465 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13466 df_refs_delete, df_reorganize_refs, df_set_state,
13467 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13468 df_def_record_1, df_defs_record, df_uses_record,
13469 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13470 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13471 df_record_exit_block_uses, df_hard_reg_init): New functions.
13473 * df-problems.c: Seven concrete dataflow problems that use the
13474 scanning in df-scan.c and are solved by the engine in df-core.c.
13475 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13476 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13477 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13478 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13479 df_ru_free_bb_info, df_ru_alloc,
13480 df_ru_bb_local_compute_process_def,
13481 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13482 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13483 df_ru_transfer_function, df_ru_free, df_ru_dump,
13484 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13485 df_rd_free_bb_info, df_rd_alloc,
13486 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13487 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13488 df_rd_transfer_function, df_rd_free, df_rd_dump,
13489 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13490 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13491 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13492 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13493 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13494 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13495 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13496 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13497 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13498 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13499 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13500 df_urec_mark_reg_use_for_earlyclobber,
13501 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13502 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13503 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13504 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13505 df_chain_create_bb_process_use, df_chain_create_bb,
13506 df_chain_finalize, df_chain_free, df_chains_dump,
13507 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13508 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13509 df_reg_lifetime): New functions.
13510 * df.c: Deleted file.
13511 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13512 consistent with new df api.
13513 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13514 rest_of_handle_sms): Ditto.
13515 * web.c (unionfind_union, union_defs, entry_register, web_main):
13516 Ditto.
13517 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13518 invariant_expr_equal_p, find_defs, check_dependencies,
13519 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13520 free_inv_motion_data, move_loop_invariants): Ditto.
13521 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13522 Update dependencies.
13523 (odf.c): Added defective entry that was deleted later in day.
13524 * sched-deps.c (sched_analyze_1): Ditto.
13526 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13528 * tree-ssa-operands.c (get_expr_operands): Record addressable
13529 variables directly. Do not call add_stmt_operands for CONST_DECLs
13530 and ARRAY_DECLs.
13531 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13532 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13534 2006-01-11 Ben Elliston <bje@au.ibm.com>
13536 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13537 function returns true in the positive case.
13539 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13541 PR target/20754
13542 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13543 for SI, DI, SF and DF modes. Add alternatives to copy between
13544 general and floating point registers to the 32-bit patterns.
13545 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13546 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13547 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13548 generating 64-bit code.
13549 * config/pa/pa.c (output_move_double): Handle copies between general
13550 and floating registers.
13552 2006-01-10 Stuart Hastings <stuart@apple.com>
13554 * config/i386/i386.md (set_got): Update.
13555 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13556 (builtin_setjmp_receiver): Mach-O support.
13557 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13558 (GOT_SYMBOL_NAME): Define.
13559 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13560 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13561 * config/i386/i386.c (override_options): Revise for Darwin.
13562 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13563 support. (darwin_x86_file_end): New. (output_set_got): Add label
13564 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13565 * config/i386/i386-protos.h (output_set_got): Likewise.
13566 * config/darwin.c (machopic_legitimize_pic_address): Update
13567 regs_ever_live[].
13569 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13571 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13572 when MODE isn't BLKmode.
13574 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13576 PR rtl-optimization/25367
13577 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13579 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13581 PR target/25718
13582 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13583 for a negative bound.
13585 2006-01-10 Richard Guenther <rguenther@suse.de>
13587 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13588 Never override with anything constraint.
13590 2006-01-10 Jan Beulich <jbeulich@novell.com>
13592 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13593 256 bits when optimize_size.
13595 2006-01-10 Jan Beulich <jbeulich@novell.com>
13597 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13598 MASK_ALIGN_DOUBLE.
13599 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13600 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13601 arguments.
13603 2006-01-10 Ben Elliston <bje@au.ibm.com>
13605 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13606 float modes.
13607 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13608 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13609 (USE_FP_FOR_ARG): Reject decimal float modes.
13610 (function_arg_advance): Likewise.
13611 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13612 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13613 point types in AltiVec vectors.
13614 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13615 (rs6000_libcall_value): Likewise.
13617 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13619 * config/xtensa/ieee754-df.S: New file.
13620 * config/xtensa/ieee754-sf.S: New file.
13621 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13622 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13623 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13625 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13627 * config/sh/predicates.md (binary_float_operator,
13628 binary_logical_operator, commutative_float_operator,
13629 equality_comparison_operator, greater_comparison_operator,
13630 less_comparison_operator, logical_operator,
13631 noncommutative_float_operator, shift_operator,
13632 symbol_ref_operand, unary_float_operator): Remove redundant
13633 conditionals.
13635 2006-01-09 Jeff Law <law@redhat.com>
13637 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13638 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13639 now unused arguments. Callers updated.
13640 (eliminate_redundant_computations): Remove now unused arguments,
13641 callers updated.
13642 (local_fold): Remove, no longer used.
13643 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13644 and moved to...
13645 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13646 (simplify_cond): New function.
13647 (forward_propagate_into_cond): Call simplify_cond.
13649 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13651 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13652 (*vec_extractv2di_1_sse): New.
13654 2006-01-09 Ben Elliston <bje@au.ibm.com>
13656 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13658 2006-01-08 Richard Guenther <rguenther@suse.de>
13660 * tree-ssa-structalias.c (get_constraint_for): Remove
13661 anyoffset argument.
13662 (get_constraint_for_component_ref): Likewise.
13663 (do_deref): Likewise.
13664 (get_constraint_for): Likewise.
13665 (do_structure_copy): Likewise.
13666 (handle_ptr_arith): Likewise.
13667 (find_func_aliases): Likewise. Remove unused need_anyoffset
13668 variable.
13670 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13671 Kaz Kojima <kkojima@gcc.gnu.org>
13673 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13674 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13675 (EXTRA_CONSTRAINT_C16): Remove.
13676 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13677 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13678 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13679 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13680 constants of SHmedia. Handle nested constant expressions of
13681 SHmedia correctly.
13682 (andcosts): Fix the costs for SHmedia constants.
13683 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13684 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13685 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13686 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13687 (movv4hi_i, movv2si_i): Likewise.
13688 (movsi_const): Adjust the second operand of ior so to match with
13689 the Csu constraint.
13690 (movdi_const, movdi_const_32bit): Likewise.
13691 (movdi_const_16bit+1): Don't sign-extend LOW.
13692 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13693 step.
13694 (*double_shori): Fix the split condition. Use GEN_INT instead
13695 of get_int_mode calls. Mask lower 16-bit of the argument of
13696 the last GEN_INT.
13697 (sym2GOTPLT): Remove.
13698 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13699 gen_rtx_UNSPEC.
13700 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13701 instead of EXTRA_CONSTRAINT_C16.
13703 2006-01-07 Ian Lance Taylor <ian@airs.com>
13704 David Edelsohn <edelsohn@gnu.org>
13706 PR rtl-optimization/25662
13707 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13708 for constant operands instead of simplify_gen_binary.
13709 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13710 after trying simplify_binary_operation
13712 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13714 * tree.c (iterative_hash_expr): Hash decls based on UID.
13716 2006-01-06 Eric Christopher <echristo@apple.com>
13718 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13719 (TARGET_UNWIND_EMIT): Fix spelling.
13720 * target.h (gcc_target): Add except_table_label.
13721 * except.c (output_function_exception_table): Use.
13722 * varasm.c (default_emit_except_table_label): New.
13723 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13724 define.
13725 (asm_out): Add here.
13726 * output.h (default_emit_except_table_label): Prototype.
13727 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13728 * config/darwin.c (darwin_emit_except_table_label): Define.
13729 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13731 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13733 PR tree-optimization/18527
13734 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13735 number_of_iterations_special, number_of_iterations_exit):
13736 Move base and step of an iv to a single structure. Add
13737 no_overflow flag, and use it in # of iterations analysis.
13738 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13739 folded_casts argument.
13740 (simple_iv): Pass base and step in a structure. Set no_overflow
13741 flag.
13742 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13743 Evaluate expensiveness of computing # of iterations instead of
13744 the final expression.
13745 * tree-scalar-evolution.h (affine_iv): New structure.
13746 (simple_iv): Declaration changed.
13747 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13748 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13749 find_givs_in_stmt): Changed due to simple_iv change.
13751 2006-01-06 Jeff Law <law@redhat.com>
13753 PR ada/24994
13754 * tree-cfg.c (bsi_replace): Rename final argument from
13755 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13756 change (stmt -> orig_stmt).
13757 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13758 (bsi_remove): Add new argument. Remove EH information
13759 if requested.
13760 (verify_eh_throw_table_statements): New function.
13761 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13762 updated.
13763 * tree-optimize.c (execute_free_cfg_annotations): Verify
13764 the EH throw statement table after removing annotations.
13765 * except.h (verify_eh_throw_table_statements): Prototype.
13766 * tree-flow.h (bsi_remove): Update prototype.
13767 * tree-vrp.c (remove_range_assertions): Add new argument to
13768 bsi_remove call.
13769 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13770 * tree-complex.c (expand_complex_div_wide): Likewise.
13771 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13772 * tree-tailcall.c (eliminate_tailcall): Likewise.
13773 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13774 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13775 * tree-nrv.c (tree_nrv): Likewise.
13776 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13777 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13778 (combine_blocks): Likewise.
13779 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13780 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13781 (cleanup_control_flow): Likewise.
13782 (remove_forwarder_block): Likewise.
13783 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13784 * tree-sra.c (sra_replace): Likewise.
13785 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13786 (forward_propagate_single_use_vars): Likewise.
13787 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13788 * tree-inline.c (expand_call_inline): Likewise.
13789 * tree-vect-transform.c (vect_transform_loop): Likewise.
13790 * tree-outof-ssa.c (rewrite_trees): Likewise.
13791 * tree-cfg.c (make_goto_expr_edges): Likewise.
13792 (cleanup_dead_labels): Likewise.
13793 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13794 (bsi_move_before, bsi_move_after): Likewise.
13795 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13796 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13798 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13800 PR tree-opt/25528
13801 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13802 and IMAGPART_EXPR.
13803 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13804 on non gimple variables. Also add checks at the top for decls and
13805 mtags.
13806 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13807 complex types.
13808 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13809 and IMAGPART_EXPR for creating MUST_DEFs.
13810 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13811 and NAME_MEMORY_TAG separately from the DECLs.
13813 2006-01-06 Richard Guenther <rguenther@suse.de>
13815 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13816 annotation, if necessary.
13817 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13818 redundant calls to update_stmt.
13819 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13820 Likewise.
13822 2006-01-05 Richard Henderson <rth@redhat.com>
13824 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13826 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13828 * c-typeck.c: Update copyright date.
13830 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13832 * c-typeck.c (build_c_cast): Always warn when casting
13833 from a pointer to an integer of different size, even if
13834 the node was constant.
13836 2006-01-05 Richard Guenther <rguenther@suse.de>
13838 PR tree-optimization/22555
13839 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13840 if one structure field is an array.
13841 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13842 operands even if we found a subvar, but ignore VOPs in this
13843 case.
13844 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13845 for renaming.
13846 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13848 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13850 PR middle-end/24998
13851 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13853 2006-01-05 Richard Guenther <rguenther@suse.de>
13854 Diego Novillo <dnovillo@redhat.com>
13856 * tree-pass.h (TODO_remove_unused_locals): Define.
13857 * gimple-low.c (expand_var_p, remove_useless_vars,
13858 pass_remove_useless_vars): Remove. Update all users.
13859 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13860 (remove_unused_locals): New function.
13861 * tree-flow.h (remove_unused_locals): Declare.
13862 * passes.c (execute_todo): Call remove_unused_locals if
13863 TODO_remove_unused_locals is set.
13864 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13865 * tree-ssa-dce.c (pass_dce): Likewise.
13866 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13868 2006-01-05 Richard Guenther <rguenther@suse.de>
13870 * tree-flow.h (struct fieldoff): Decompose field to
13871 type, size and decl.
13872 * tree-ssa-alias.c (create_sft): Take type as parameter.
13873 (create_overlap_variables_for): Store type, size and decl
13874 in the fieldoff structure.
13875 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13876 of struct fieldoff.
13877 (push_fields_onto_fieldstack): Likewise.
13878 (create_variable_info_for): Likewise. Use offset for the
13879 SFT name if the decl is not available.
13881 2006-01-04 Paul Brook <paul@codesourcery.com>
13883 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
13885 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
13887 * lambda-code.c (can_put_in_inner_loop): Relax
13888 restrictions.
13889 (can_put_after_inner_loop): New function.
13890 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13891 (perfect_nestify): Change to make copies and modify uses.
13893 2006-01-04 Richard Henderson <rth@redhat.com>
13895 Merge from gomp branch:
13896 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13897 via integer constant.
13898 (pragma_lex): Remove.
13899 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13900 rather than parsing it.
13901 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13902 handle_pragma_extern_prefix): Add %< %> quotes.
13903 (registered_pragmas): New.
13904 (c_register_pragma_1): New.
13905 (c_register_pragma): Use it.
13906 (c_register_pragma_with_expansion): Likewise.
13907 (c_invoke_pragma_handler): New.
13908 (init_pragma): Use cpp_register_deferred_pragma directly for
13909 pch_preprocess.
13910 * c-pragma.h (enum pragma_kind): New.
13911 (pragma_handler): New.
13912 (c_invoke_pragma_handler): Declare.
13913 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13914 CPP_PRAGMA_EOL.
13915 * c-common.h (c_common_pch_pragma): Update decl.
13916 * Makefile.in (c-parser.o): Update dependencies.
13917 (GTFILES): Add c-pragma.h.
13918 * c-parser.c (struct c_token): Add pragma_kind.
13919 (struct c_parser): Add in_pragma.
13920 (c_lex_one_token): Always initialize keyword and pragma_kind.
13921 Extract data for CPP_PRAGMA.
13922 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13923 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13924 Don't allow CPP_PRAGMA_EOL if in_pragma.
13925 (c_parser_consume_pragma): New.
13926 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13927 (c_parser_skip_to_end_of_parameter): Likewise.
13928 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13929 (c_parser_skip_to_pragma_eol): New.
13930 (c_parser_external_declaration): Handle CPP_PRAGMA.
13931 (c_parser_compound_statement_nostart): Likewise.
13932 (c_parser_statement_after_labels): Likewise.
13933 (c_parser_pragma): New.
13934 (pragma_lex): Likewise.
13935 (c_parser_pragma_pch_preprocess): New.
13936 (c_parser_new): Merge into ...
13937 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13939 2006-01-04 Jeff Law <law@redhat.com>
13941 PR ada/24994
13942 * tree-cfg.c (bsi_replace): Remove the original statement
13943 from the EH throw statement table.
13945 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13947 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13948 make the prototype extern "C" and add throw ().
13950 PR target/25554
13951 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13952 and pos non-negative and pos + len <= 32.
13953 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13954 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13955 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13957 PR c/25559
13958 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13959 as well as sizes not multiple of component size.
13961 PR debug/25562
13962 * function.c (instantiate_expr): New function.
13963 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13964 walk its DECL_VALUE_EXPR with instantiate_expr.
13966 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13967 DW_OP_deref{,_size} if address isn't going to be added.
13969 2006-01-04 Ben Elliston <bje@au.ibm.com>
13971 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13972 * config/fp-bit.c: Likewise.
13974 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13976 * dominance.c: Add comment about why we use DFS numbering
13977 of dominance tree.
13979 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13980 Richard Henderson <rth@redhat.com>
13982 Merge from gomp-branch:
13983 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13984 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13986 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13988 PR rtl-optimization/25578
13989 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13990 pass a parameter to simplify_shift_const if changing ASHIFTRT
13991 to LSHIFTRT.
13993 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13995 * builtins.c (get_builtin_sync_mem): New function.
13996 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13997 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13998 Call get_builtin_sync_mem to generate mem rtx.
14000 2006-01-03 Richard Guenther <rguenther@suse.de>
14002 PR c/25183
14003 * stmt.c (add_case_node): Make sure to clear overflow flags
14004 from ranges.
14006 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14008 Merge from gomp-branch.
14009 * config/sparc/sync.md: New file.
14010 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14011 UNSPECV_LDSTUB): New constants.
14012 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14013 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14014 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14015 prototype.
14017 2006-01-03 Roger Sayle <roger@eyesopen.com>
14019 * combine.c (reg_subword_p): New predicate to test whether the
14020 destination of a set refers to a subword/piece of a register.
14021 (try_combine): Generalize the code to merge the setting of a
14022 pseudo to a constant followed by a set of a subword of that
14023 register to a constant.
14025 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14027 * basic-block.h (control_flow_graph): Change the type of
14028 x_label_to_block_map to VEC(basic_block,gc) *.
14029 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14030 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14032 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14033 VEC(basic_block,heap) *.
14034 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14035 ssa_prop_fini): Adjust the uses of cfg_blocks.
14037 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14039 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14040 COMPONENT_REFs.
14041 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14042 hashing trees instead of a pointer hash.
14043 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14044 compare for MEM_EXPR.
14046 PR rtl-optimization/25130
14047 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14048 when comparing MEMs for GCSE
14050 2006-01-03 Ben Elliston <bje@au.ibm.com>
14052 * targhooks.h (default_decimal_float_supported_p): Declare.
14053 * targhooks.c (default_decimal_float_supported_p): Define.
14054 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14055 `default_decimal_float_supported_p'.
14056 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14058 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14060 * combine.c (apply_distributive_law <SUBREG>): Check
14061 TRULY_NOOP_TRUNCATION.
14063 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14065 * dwarf2out.c (have_switched_text_section): Delete.
14066 (have_multiple_function_sections): New.
14067 (have_location_lists): Make 'bool'.
14068 (add_AT_loc_list): Use 'true' not '1'.
14069 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14070 (output_loc_list): Use have_multiple_function_sections.
14071 (output_ranges): Likewise.
14072 (dwarf2out_begin_function): Set have_multiple_function_sections if
14073 necessary.
14074 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14075 Check function_section rather than DECL_SECTION_NAME.
14076 (dwarf2out_finish): Use have_multiple_function_sections.
14077 Don't clear have_location_lists.
14079 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14080 Jan Hubicka <jh@suse.cz>
14082 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14083 case of conditional jump jumping to the next instruction.
14084 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14085 cases of conditional jump jumping to the next instruction.
14087 2006-01-02 Jan Hubicka <jh@suse.cz>
14089 * i386.c (*_cost): Add COSTS_N_INSNS.
14090 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14092 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14094 PR target/25259
14095 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14097 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14099 * config/arm/arm.c (all_fpus): Fix comment typo.
14100 * config/darwin.c: Likewise.
14101 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14102 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14103 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14105 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14107 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14108 (rs6000_split_compare_and_swapqhi): New.
14109 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14110 (sync_compare_and_swapqhi_internal): New.
14111 * config/rs6000/rs6000-protos.h: Declare.