| blob | 987e7c29c366f4b0dfe5aac286a09f834a81919d |
1 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3 PR tree-optimization/16876
4 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5 exit if PARM doesn't match VALUE.
7 2006-08-25 Bob Wilson <bob.wilson@acm.org>
9 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
10 literal_prefix directive.
11 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
12 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
13 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
15 2006-08-25 David Edelsohn <edelsohn@gnu.org>
17 PR target/28753
18 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
19 predicate to general_operand. Add 0->y and I->r alternatives.
21 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
23 * doc/tm.texi: Fix a typo.
24 * predict.c: Fix comment typos.
26 2006-08-25 Nick Clifton <nickc@redhat.com>
28 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
29 assertions of "cpu" and "machine".
31 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
33 PR tree-opt/28807
34 * tree-ssa-operands.c (access_can_touch_variable): Don't say
35 the access through a base which has an alias set of 0 cannot
36 touch the variable.
38 2006-08-24 Bill Wendling <wendling@apple.com>
40 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
42 2006-08-24 Jan Hubicka <jh@suse.cz>
44 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
46 2006-08-24 Jan Hubicka <jh@suse.cz>
48 PR debug/26881
49 * cgraph.c: Fix comments.
50 (cgraph_varpool_mark_needed_node): Mark only variables not already
51 output to file.
52 * cgraphunit.c: Update comments; include gt-cgraphunit.h
53 (cgraph_varpool_assembled_nodes_queue): New static variable.
54 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
55 (cgraph_varpool_output_debug_info): New function.
56 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
57 * Makefile.in: Add gt-cgraphunit.h
59 2006-08-24 Jan Hubicka <jh@suse.cz>
61 * predict.c (probability_reliable_p): New predicate.
62 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
63 (predict_loops): Do not predict loop exit with less than 2%
64 probability.
65 * basic-block.h (edge_probability_reliable_p,
66 br_prob_note_reliable_p): Declare.
67 * ia64.h (ia64_print_operand): Do not disable on-chip branch
68 prediction when static predictor is not reliable.
69 * rs6000.c (output_cbranch): Likewise.
71 2006-08-23 Stuart Hastings <stuart@apple.com>
73 PR 28825
74 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
75 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
77 2006-08-21 Geoffrey Keating <geoffk@apple.com>
79 PR debug/28692
80 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
81 complex values, nor for generic vector values.
83 2006-08-22 Richard Guenther <rguenther@suse.de>
85 PR middle-end/28776
86 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
87 parameter. Convert arguments to arithmetic expression to the
88 chrecs type.
89 (analyze_scalar_evolution_1): Adjust caller.
91 2006-08-22 Jan Hubicka <jh@suse.cz>
93 Patch by Paolo Bonzini
94 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
95 my previous patch.
97 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
99 PR tree-optimization/28003
100 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
101 before grouping aliases.
103 2006-08-22 Roger Sayle <roger@eyesopen.com>
105 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
106 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
108 2006-08-21 Jason Merrill <jason@redhat.com>
110 PR c++/27115
111 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
112 wrapper. Loop to handle nested wrappers.
113 (gimplify_bind_expr): Remove temp parameter.
114 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
115 and STATEMENT_LIST on the rhs.
116 (gimplify_statement_list): Voidify the STATEMENT_LIST.
117 (gimplify_expr): Pass pre_p to gimplify_statement_list.
118 (gimplify_target_expr): Remove special BIND_EXPR handling.
120 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
122 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
123 #if !__SHMEDIA__ .
125 2006-08-21 Olivier Hainque <hainque@adacore.com>
127 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
128 Arrange for the temporary captures of components overlapping the lhs
129 to happen before the lhs is possibly cleared.
131 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
133 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
134 necessary places to pass the correct "number of registers" values
135 to _Unwind_VRS_Pop.
137 2006-08-20 Jan Hubicka <jh@suse.cz>
139 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
140 (create_name_tags): Instead of quadratic checking use hashtable.
141 * bitmap.h: Include hashtab.h.
142 (bitmap_hash): Declare.
143 * bitmap.c (bitmap_hash): New function.
145 2006-08-20 Jan Hubicka <jh@suse.cz>
147 PR rtl-optimization/28071
148 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
149 twice.
150 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
151 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
152 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
153 cgraph_decide_inlining_incrementally): Update use of
154 cgraph_check_inline_limits.
155 * cgraph.c (edge_hash, edge_eq): New function.
156 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
157 cgraph_edge_remove_caller, cgraph_node_remove_callees,
158 cgraph_remove_node): Maintain call site hash.
159 * cgraph.h (struct cgraph_node): Add call_site_hash.
160 (cgraph_set_call_stmt): New function.
162 2006-08-20 Jan Hubicka <jh@suse.cz>
164 PR rtl-optimization/28071
165 * reload1.c (reg_has_output_reload): Turn into regset.
166 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
167 choose_reload_regs, emit_reload_insns): Update to new
168 reg_has_output_reload.
170 2006-08-20 Jan Hubicka <jh@suse.cz>
172 PR middle-end/28779
173 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
174 function body sizes.
175 * cgraphunit.c (cgraph_analyze_function): Don't do so.
177 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
179 PR target/28648 c:
180 * tree.c (handle_dll_attribute): Return early if not a
181 var or function decl.
183 2006-08-18 Joseph Myers <joseph@codesourcery.com>
185 PR target/27565
186 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
187 alignment of SPE vector types.
189 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
191 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
193 2006-08-17 Jakub Jelinek <jakub@redhat.com>
195 PR c/28744
196 * cgraph.h (struct cgraph_node): Remove externally_visible
197 bitfield.
198 * cgraphunit.c (process_function_and_variable_attributes): Set
199 local.externally_visible rather than externally_visible.
201 PR c/28744
202 * c-common.c (handle_externally_visible_attribute): First look
203 at TREE_CODE and only if it is function or var decl, check for
204 non-public objects. Don't warn for DECL_EXTERNAL.
205 * cgraphunit.c (process_function_and_variable_attributes): Warn
206 if externally_visible attribute is used on non-public object.
208 2006-08-17 Jan Hubicka <jh@suse.cz>
210 PR tree-optimization/27865
211 * reload1.c (forget_marked_reloads): New function.
212 (forget_old_reloads_1): When data are passed, just mark the registers
213 for later removal.
214 (reload_as_needed): Use the new mechanizm.
216 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
218 PR target/28146
219 * reload.h (reg_equiv_alt_mem_list): New declaration.
220 * reload1.c (reg_equiv_alt_mem_list): New definition.
221 (reload): Initialize it and release it.
222 (delete_output_reload): Use it.
223 * reload.c (push_reg_equiv_alt_mem): New function.
224 (find_reloads_toplev): Call it.
225 (find_reloads_address, find_reloads_address_1): Likewise.
226 (find_reloads_subreg_address): Likewise.
228 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
230 PR rtl-optimization/28489
231 * sched-ebb.c (begin_schedule_ready): Create basic block
232 at the right place.
233 (advance_target_bb): Skip empty blocks.
234 * haifa-sched.c (bb_note): Make global.
235 * sched-int.h (bb_note): Add prototype.
237 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
239 PR tree-optimization/27865
240 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
241 for pointer types.
242 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
243 fold_used_pointer, pointer_used_p): New functions.
244 (analyze_scalar_evolution_1): Use fold_used_pointer.
245 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
246 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
247 for pointers.
249 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
251 PR c++/28573
252 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
253 or the INTEGER_CST. Fail on a CALL_EXPR.
254 (fold_offsetof): Pass new argument to fold_offsetof_1.
255 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
256 operand into an INDIRECT_REF.
257 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
259 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
261 PR gcov/profile/26570
262 * value-prof.c (static_values): Removed.
263 (tree_find_values_to_profile): Do not set static_values.
264 (find_values_to_profile): Do not free static_values.
265 * profile.c (instrument_values): Do not free the values.
266 (branch_prob): Free the values.
268 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
270 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
272 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
274 PR c/27697
275 * c-typeck.c (build_component_ref): Combine qualifiers of
276 structure or union and field.
278 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
280 PR rtl-optimization/28071
281 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
282 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
283 * tree-into-ssa.c (struct dom_dfsnum): New.
284 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
285 functions.
286 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
287 compute_global_livein.
288 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
289 in phi nodes in the correct blocks.
291 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
293 PR tree-optimization/28364
294 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
295 correctly.
296 (fold_affine_expr): New function.
297 (may_eliminate_iv): Use fold_affine_expr.
299 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
301 PR c/27489
302 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
303 Clean up.
305 2006-08-16 Mike Stump <mrs@apple.com>
307 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
308 * doc/cppopts.texi (-MD): Likewise.
310 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
312 PR c/28287
313 * c-common.c (handle_weak_attribute): Ignore and warn if
314 not a FUNCTION_ or VAR_DECL.
316 2006-07-15 Mike Stump <mrs@apple.com>
318 PR c/28280
319 * c-parser.c (c_parser_typeof_specifier): Don't use
320 c_finish_expr_stmt, open code desired semantics instead.
322 2006-08-15 Nick Clifton <nickc@redhat.com>
324 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
325 fragment to tmake_file only if threads are enabled.
326 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
327 * config/i386/t-gthr-win32: New file. ... here.
329 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
331 PR c/28649
332 * c-parser.c (c_parser_compound_statement_nostart): Reset
333 parser->error after each statement.
335 2006-08-15 Jakub Jelinek <jakub@redhat.com>
337 PR middle-end/28713
338 * omp-low.c (lower_omp_parallel): Convert t to
339 receiver_decl's type.
340 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
341 source before comparison.
343 PR middle-end/28724
344 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
345 to itype in assignment to oldival2.
347 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
349 PR c/27490
350 PR c/27489
351 * c-typeck.c (build_compound_expr): If the second expression
352 is an error mark, then just return an error mark instead of
353 creating a COMPOUND_EXPR.
355 2006-07-14 Mike Stump <mrs@apple.com>
357 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
359 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
361 * c-decl.c, var-tracking.c: Fix comment typos.
363 2006-08-14 Richard Sandiford <richard@codesourcery.com>
365 PR rtl-optimization/28634
366 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
367 for floating-point modes unless flag_unsafe_math_optimizations.
369 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
370 Andrew Pinski <pinskia@physics.uc.edu>
372 PR c/27184
373 * tree.c (build_array_type): Unify array types with
374 unspecified index_type.
375 * c-decl.c (grokdeclarator): Make sure we do not modify a
376 unified incomplete array type.
377 * c-typeck.c (store_init_value): Create distinct type before
378 filling in the index type in an initializer from a compound
379 literal.
381 * c-decl.c (grokdeclarator): Remove code where we copy the
382 array type over.
384 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
386 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
387 into account for TODO_dump_cgraph.
388 (TODO_update_ssa_no_phi): Likewise.
389 (TODO_update_ssa_full_phi): Likewise.
390 (TODO_update_ssa_only_virtuals): Likewise.
391 (TODO_remove_unused_locals): Likewise.
392 (TODO_set_props): Likewise.
393 (TODO_update_stmt_usage): Likewise.
395 2006-08-13 Dirk Mueller <dmueller@suse.de>
397 * c-common.c (strict_aliasing_warning): Fix formatting.
399 2006-08-13 Matthias Klose <doko@debian.org>
401 * doc/invoke.texi: Fix spelling errors.
403 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
405 PR rtl-optimization/23454
406 * reorg.c (relax_delay_slots): Update comment.
408 2006-08-11 Richard Guenther <rguenther@suse.de>
410 PR middle-end/28651
411 * simplify-rtx.c (simplify_const_relational_operation):
412 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
413 codes.
415 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
417 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
418 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
420 2006-08-10 Paul Brook <paul@codesourcery.com>
422 * final.c (final_scan_insn): Clear current_insn_predicate before
423 outputting inline asm.
425 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
427 PR tree-optimization/26197
428 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
429 get_ref_base_and_extent and overlap_subvar to add only relevant
430 subvars as may-aliases.
431 (add_may_alias_for_new_tag): New function, factored out of
432 new_type_alias.
433 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
434 with additional argument.
435 * tree-flow.h (new_type_alias): Takes additional argument.
437 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
439 * gcov.c (no_data_file): New flag.
440 (read_count_file): Set it if data file not present. Assume counts
441 zero if not found.
442 (output_lines): Don't name the data file, if there wasn't one.
444 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
446 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
447 (rs6000_generate_compare): Tweak comments.
448 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
450 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
452 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
453 (var_debug_decl): New function.
454 (var_reg_set): Follow debug decl link. Add location even if
455 reg is already known to hold some other variable.
456 (var_mem_set): Follow debug decl link.
457 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
458 decl link. Delete other known locations of the variable part
459 if requested.
460 (var_reg_delete, var_mem_delete): Delete other known locations
461 of the variable part if requested.
462 (same_variable_part_p): New function.
463 (add_stores): Select MO_COPY when appropriate.
464 (vt_initialize): Handle it.
465 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
466 known locations for MO_SET and MO_CLOBBER.
467 (find_variable_location_part): New function.
468 (set_variable_part, delete_variable_part): Use it.
469 (clobber_variable_part): New function.
470 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
471 decl link.
473 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
475 PR tree-optimization/26969
476 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
477 with an empty list of PHIs.
479 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
481 PR target/27827
483 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
484 instructions.
486 2006-08-06 Andreas Schwab <schwab@suse.de>
488 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
489 string. Whitespace and comment fixup.
491 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
493 PR c/28502
494 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
495 argument.
497 PR c/27721
498 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
500 PR c/28136
501 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
503 2006-08-04 Jan Hubicka <jh@suse.cz>
505 PR target/26655
506 PR target/28270
507 * reload.c (push_reload): Patch out the mismatching instruction;
508 return early.
509 (find_reload): Bail out if the instruction was patched out.
511 2006-08-04 Jan Hubicka <jh@suse.cz>
513 PR tree-optimization/24888
514 * tree-inline.c (expand_call_inline): Do not re-record variables.
515 (declare_inline_vars): Add variable to unexpanded_var_list.
517 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
518 Roger Sayle <roger@eyesopen.com>
520 PR rtl-optimization/26244
521 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
522 inner_const are negative or greater than or equal to the bitsize of
523 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
524 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
525 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
526 CONST0_RTX (mode) when the new shift count is greater than or equal to
527 to the bitsize of the object being shifted and XEXP (y, 0) has no side
528 effects.
530 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
532 * tree-cfg.c: Fix a comment typo.
534 2006-08-03 Mark Mitchell <mark@codesourcery.com>
536 PR c++/28148
537 * varasm.c (output_constant): Give the front end another chance to
538 expand constants, after stripping NOPs.
540 2006-08-03 Jan Hubicka <jh@suse.cz>
542 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
543 implementation.
545 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
547 PR tree-optimization/27770
548 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
549 declaration removed (moved to tree-flow.h).
550 (vect_can_force_dr_alignment_p): Likewise.
551 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
552 (moved from tree-vectorizer.h).
553 (vect_can_force_dr_alignment_p): Likewise.
554 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
555 from outside the vectorizer - in particular from cgraph stage.
556 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
557 the alignment of global arrays when -fsection-anchors is enabled.
558 * cgraphunit.c (cgraph_increase_alignment): New function.
559 (cgraph_optimize): Call cgraph_increase_alignment.
561 2006-08-03 David Edelsohn <edelsohn@gnu.org>
563 PR target/27566
564 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
565 not reload a SPE symbol_ref into a lo_sum address.
567 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
569 PR debug/28063
570 * dwarf2out.c (prune_unused_types_prune): Move call to
571 prune_unused_types_update_strings to cover the parent DIE also.
573 2006-08-02 Jan Hubicka <jh@suse.cz>
575 PR gcov/profile/28480
576 * tree-cfg.c (change_bb_for_stmt): New function.
577 (tree_merge_blocks, tree_split_blocks): Use it.
579 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
581 PR c++/28250
582 PR c++/28257
583 PR c++/28259
584 PR c++/28267
585 * toplev.c (compile_file): Return early on errorcount or sorrycount.
586 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
587 (cgraph_optimize): Likewise.
589 2006-08-01 Stuart Hastings <stuart@apple.com>
591 * rtl.h (UINTVAL) New.
592 * config/rs6000/rs6000.c (SMALL_INT) Use it.
593 * testsuite/gcc.dg/20060801-1.c: New.
595 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
597 PR debug/23336
598 * c-typeck.c (build_external_type): Mark used enum types.
599 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
600 cfun also.
601 (gen_subprogram_die): Whitespace fix.
603 2006-08-01 Jan Hubicka <jh@suse.cz>
605 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
606 bitmap when not needed.
607 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
608 bitmaps.
610 2006-08-01 Dirk Mueller <dmueller@suse.de>
612 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
614 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
616 * Makefile.in: Revert part of previous patch:
617 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
618 and REGS_H.
620 2006-07-30 Eric Christopher <echristo@apple.com>
622 PR target/27543
623 * doc/extend.texi (i386 Variable Attributes): Add anchor.
624 (PowerPC Variable Attributes): New section.
626 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
628 PR target/28126 (partial fix)
629 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
631 2006-07-28 Jan Hubicka <jh@suse.cz>
633 PR rtl-optimization/28071
634 * cfgrtl.c (rtl_delete_block): Free regsets.
635 * flow.c (allocate_bb_life_data): Re-use regsets if available.
637 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
639 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
640 and variables used in dependencies.
642 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
644 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
645 %fs for -mcmodel=kernel.
646 (stack_tls_protect_test_di): Likewise.
648 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
650 * Makefile.in: Use mkinstalldirs.
652 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
654 PR driver/28437
655 * opts-common.c (prune_options): Skip joined switches.
657 2006-07-27 Jan Hubicka <jh@suse.cz>
659 PR rtl-optimization/28071
660 * cselib.c (cselib_process_insn): Don't remove useless values too
661 often for very large hashtables.
663 2006-07-27 Jan Hubicka <jh@suse.cz>
665 PR rtl-optimization/28071
666 * global.c (greg_obstack): New obstack.
667 (allocate_bb_info): Use it.
668 (free_bb_info): Likewise.
669 (modify_reg_pav): Likewise.
671 2006-07-27 Roger Sayle <roger@eyesopen.com>
673 * builtins.c (fold_fixed_mathfn): When long and long long are the
674 same size, canonicalize llceil*, llfloor*, llround* and llrint*
675 functions to their lceil*, lfloor*, lround* and lrint* forms.
677 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
679 PR gcc/28508
680 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
681 branch.
682 (rev_branch_insn): Likewise.
684 2006-07-27 Jan Hubicka <jh@suse.cz>
686 PR rtl-optimization/28071
687 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
688 (reg_set_in_bb, max_reg_computed): New static variables.
689 (regmove_optimize): Free the new array.
690 (fixup_match_1): Update call of reg_is_remote_constant_p.
692 2006-07-26 Jan Hubicka <jh@suse.cz>
694 PR tree-optimization/27882
695 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
696 and decl fields.
697 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
698 next pointer
699 (cgraph_analyze_compilation_unit): Likewise.
700 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
701 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
702 (cgraph_early_inlinine): Make order garbage collected.
703 * Makefile.in (gt-ipa-inline): New garbagecollected file.
705 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
707 * dbxout.c (output_types_sort): Add a comment.
708 (output_used_types): Free the VEC.
710 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
712 * function.c (reorder_fix_fragments): Delete.
713 (reorder_blocks): Don't call it.
714 (reorder_blocks_1): Put all subblocks under the origin block.
716 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
718 PR rtl-optimization/27907
719 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
720 FLOAT_TRUNCATE.
722 2006-07-25 Roger Sayle <roger@eyesopen.com>
724 PR middle-end/28473
725 * convert.c (convert_to_integer): When transforming (T)foo(x) into
726 bar(x) check that bar's result type can represent all the values of T.
728 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
730 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
732 2006-07-25 Nick Clifton <nickc@redhat.com>
734 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
735 size_lookup[] array.
736 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
737 (ggc_pch_count_object): Likewise.
738 (ggc_pch_alloc_object): Likewise.
739 (ggc_pch_write_object): Likewise.
740 (init_ggc): Do not attempt to initialize entries in the
741 size_lookup[] array for objects whose size is greater than than
742 the length of the array.
744 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
746 * dbxout.c (output_used_types_helper): Push queued types
747 on a VEC.
748 (output_types_sort): New.
749 (output_used_types): Collect used types on a VEC and sort them
750 before emission.
752 2006-07-24 Richard Guenther <rguenther@suse.de>
754 PR middle-end/28463
755 * cgraph.c (cgraph_remove_node): Do not check if dumps
756 are enabled.
757 * cgraphunit.c (cgraph_optimize): Likewise.
759 2006-07-24 Jan Hubicka <jh@suse.cz>
761 PR rtl-optimization/28071
762 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
763 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
764 splitting before first stmt.
766 2006-07-24 Jan Hubicka <jh@suse.cz>
768 PR rtl-optimization/28071
769 * ipa-inline.c (update_caller_keys): Remove edges that
770 are no longer inline candidates.
772 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
774 PR debug/27473
775 * dbxout.c (output_used_types_helper, output_used_types): New.
776 (dbxout_symbol): Call output_used_types.
778 2006-07-23 Jan Hubicka <jh@suse.cz>
780 PR c/25795
781 PR c++/27369
782 * cgraph.c (cgraph_varpool_nodes): Export.
783 (decide_is_variable_needed): Ignored "used" attribute in
784 unit-at-a-time mode.
785 * cgraph.h (cgraph_varpool_nodes): Declare.
786 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
787 unit-at-a-time mode.
789 2006-07-23 Roger Sayle <roger@eyesopen.com>
791 PR target/28247
792 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
793 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
794 the __gthrw form of thr_keycreate.
795 (__gthread_key_delete): Silence the unused argument warning.
797 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
799 PR debug/25468
800 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
801 Cache the last found '\0' marker to avoid quadratic behavior.
803 2006-07-23 Jan Hubicka <jh@suse.cz>
805 * i386.md (subsi_3_zext): Fix output template.
807 2006-07-21 Mike Stump <mrs@apple.com>
809 * doc/invoke.texi (C++ Dialect Options): Note that
810 -fvisibility-inlines-hidden doesn't affect explicitly
811 instantiationed inline methods.
813 2006-07-20 Roger Sayle <roger@eyesopen.com>
815 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
816 if the target assembler is GNU binutils' gas.
817 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
818 whether to pass GNU gas or native as command line options.
820 2006-07-20 Jason Merrill <jason@redhat.com>
822 * tree.c (remove_attribute): New fn.
823 * tree.h: Declare it.
825 2006-07-20 Paul Brook <paul@codesourcery.com>
827 PR 27363
828 * cse.c (cse_insn): Add destination addresses to hash table. Check if
829 they are invalidated by this instruction.
831 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
833 PR target/28427
834 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
836 2006-07-20 Eric Christopher <echristo@apple.com>
838 PR target/26877
839 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
841 2006-07-19 Eric Christopher <echristo@apple.com>
843 * config/t-slibgcc-darwin (stmp-lipo): Remove.
844 Rewrite dependencies for libgcc_s.1.dylib.
846 2006-07-19 Jakub Jelinek <jakub@redhat.com>
848 * except.c (duplicate_eh_regions_1): Clear next_peer.
850 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
852 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
853 -mlongcall does not guarantee all calls will be long.
854 * doc/extend.texi (long_call/short_call): Document that longcall
855 does not guarantee a long call will be used.
856 (longcall/shortcall): Likewise.
858 2006-07-18 Roger Sayle <roger@eyesopen.com>
860 PR middle-end/28283
861 * expmed.c (expand_shift): Additionally check that the shift_cost
862 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
863 before implementing a LSHIFT_EXPR as a sequence of additions.
864 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
865 middle-end that DImode shifts need to be synthesized by expand.
867 2006-07-18 Diego Novillo <dnovillo@redhat.com>
869 PR 28410
870 * tree-ssa-operands.c (access_can_touch_variable): Update
871 comment.
872 Return true if ALIAS is .GLOBAL_VAR.
874 2006-07-18 David Daney <ddaney@avtrex.com>
876 * gcc.c (display_help): Fix typo in help text.
878 2006-07-18 Olivier Hainque <hainque@adacore.com>
880 * tree.h (categorize_ctor_elements): Adjust prototype and add
881 descriptive comment, both in accordance with the interface change
882 described below.
883 * varasm.c (constructor_static_from_elts_p): New function.
884 Whether a constructor node is a valid static constant initializer
885 if all its elements are.
886 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
887 * output.h: Declare it.
888 * expr.c (categorize_ctor_elements_1): Return whether the constructor
889 is a valid constant initializer instead of computing the number of
890 non-constant elements. Use constructor_static_from_elts_p for this
891 purpose. Replace the head comment with an indication that this is a
892 helper for categorize_ctor_elements.
893 (categorize_ctor_elements): Same interface change as for the _1
894 helper. Former head comment from this helper moved here, adjusted to
895 account for the interface changes.
896 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
897 (all_zeros_p): Likewise.
898 * gimplify.c (gimplify_init_constructor): Decide whether we can make
899 static versions of the constructor from the categorize_ctor_elements
900 return value instead of the formerly computed number of non-constant
901 elements.
903 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
905 * configure: Regenerate.
906 * Makefile.in (build_libsubdir): New configure substitution
907 (build_libobjdir): New variable.
908 (BUILD_LIBIBERTY): Use it.
910 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
912 PR c/28286
913 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
915 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
917 PR c/26993
918 * c-common.c (handle_weakref_attribute): Ignore attribute in
919 the same conditions the alias attribute is ignored.
921 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
923 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
924 (dbxout_begin_prologue): Increment scope_labelno.
926 2006-07-17 Richard Henderson <rth@redhat.com>
928 PR 27889
929 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
930 if needed.
932 2006-07-17 Roger Sayle <roger@eyesopen.com>
933 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
935 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
936 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
937 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
938 functions such as sbrk, write, etc.. Add function prototypes.
939 Convert function declarations from K&R to ISO C. Cast pointers
940 to "long" and "unsigned long" instead of "int" and "unsigned int".
941 Convert tokens following #endif into comments.
943 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
945 * invoke.texi: Remove mention of f77; Reformat table for
946 inline parameter options correctly; mention that -malign-double
947 is default on x86-64 targets.
949 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
951 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
952 (convert_affine_scev, chrec_convert_aggressive): Use
953 avoid_arithmetics_in_type_p. Do not check for the subtypes
954 separately.
956 2006-07-17 Richard Sandiford <richard@codesourcery.com>
958 PR middle-end/28403
959 * optabs.c (expand_doubleword_shift): Wrap the call to
960 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
962 2006-07-17 Richard Sandiford <richard@codesourcery.com>
964 PR middle-end/28402
965 * optabs.c (expand_binop): Pass next_methods rather than methods
966 to expand_doubleword_shift.
968 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
970 PR other/28251
971 * tree.h (dump_addr): Declare.
972 * print-tree.c (dump_addr): New function.
973 (print_node_brief, print_node): Use it.
974 * print-rtl.c (print_rtx): Likewise.
975 * common.opt (-fdump-noaddr): New option.
976 * doc/invoke.texi (-fdump-noaddr): Document.
977 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
978 (ve_info_hash): Likewise.
980 2006-07-13 Andrew Haley <aph@redhat.com>
982 PR tree-optimization/19505
983 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
984 edge leaving this block, make sure that the destination of this
985 block has only one predecessor.
987 2006-07-17 Richard Guenther <rguenther@suse.de>
989 PR tree-optimization/28238
990 * tree-inline.c (copy_bb): Check if we produced valid
991 gimple copying and substituting a stmt. If not, gimplify
992 it.
994 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
996 * optabs.c (maybe_encapsulate_block): New function extracted from...
997 (emit_libcall_block): ...here. Invoke it on the block of insns to
998 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
999 (emit_no_conflict_block): Likewise.
1001 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1003 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1005 2006-07-15 Roger Sayle <roger@eyesopen.com>
1007 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1008 a new NOP_EXPR case of the switch statement.
1010 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1012 PR middle-end/28160
1013 * stor-layout.c (place_field): Take the bit field with
1014 an excessive size into account in the ms-bitfiled case.
1016 PR middle-end/28161
1017 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1018 the previous bit field.
1020 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1022 PR target/27287
1023 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1025 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1027 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1028 signal frames correctly even when the signal was installed with
1029 sa_restorer set.
1031 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1033 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1034 (dbxout_function_end): Use local label LFBB. Remove hook
1035 DBX_OUTPUT_NFUN.
1036 (dbxout_source_line): Use local label LFBB.
1037 (dbxout_block): Likewise.
1038 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1039 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1040 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1041 and DBX_OUTPUT_NFUN.
1043 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1045 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1047 2006-07-13 Jan Hubicka <jh@suse.cz>
1049 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1050 align_variable.
1051 * output.h (align_variable): Declare.
1052 * varasm.c (align_variable): Export.
1053 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1054 when basic block changed.
1056 2006-07-13 Nick Clifton <nickc@redhat.com>
1058 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1059 walking the LOG_LINKS chain.
1061 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1063 * doc/invoke.texi (C++ Dialect Options): Explain difference
1064 between -fvisibility-inlines-hidden and setting hidden
1065 visibility explicitly.
1067 2006-07-12 Eric Christopher <echristo@apple.com>
1069 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1070 (stmp-lipo): Depend on libgcc.a.
1072 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1074 * tree.c: Fix a comment typo.
1076 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1078 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1079 dest.
1080 (umulhisi3_r): Likewise.
1082 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1084 PR libstdc++/27878
1085 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1086 x < 19, vs wchar_t support.
1088 2006-07-12 Nick Clifton <nickc@redhat.com>
1090 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1091 instead of -isa=sh4.
1093 2006-07-12 Mike Stump <mrs@apple.com>
1095 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1097 2006-07-10 Eric Christopher <echristo@apple.com>
1099 * config/t-slibgcc-darwin: Rewrite.
1101 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1103 PR bootstrap/20437
1104 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1105 dependencies.
1107 2006-07-08 Matthias Klose <doko@debian.org>
1109 * doc/sourcebuild.texi: Fix typo.
1111 2006-07-07 Mike Stump <mrs@apple.com>
1113 * toplev.c (process_options): Don't give -ffunction-sections may
1114 affect debugging warning for Mach-O.
1116 2006-07-07 James E Wilson <wilson@specifix.com>
1118 * config/mips/mips.md (cpu): Add sb1a.
1119 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1120 addition to sb1. Adjust comments to clarify SB-1A differences from
1121 SB-1.
1122 (ir_sb1a_load): New. Modify bypasses to use it.
1123 (ir_sb1a_simple_alu): Likewise.
1124 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1125 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1126 (mips_issue_rate): Add PROCESSOR_SB1A.
1127 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1128 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1129 (TARGET_SB1): Add PROCESSOR_SB1A check.
1130 (TUNE_SB1): Likewise.
1132 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1133 * config/mips/mips.c (mips_store_data_bypass_p): New.
1134 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1135 store_data_bypass_p.
1137 2006-07-08 Paul Brook <paul@codesourcery.com>
1139 PR target/27991
1140 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1142 2006-07-07 Richard Guenther <rguenther@suse.de>
1144 PR middle-end/28268
1145 * tree.h (build_one_cst): Declare.
1146 * tree.c (build_one_cst): New function.
1147 * tree-ssa-math-opts.c (get_constant_one): Remove.
1148 (insert_reciprocals): Use build_one_cst.
1149 * fold-const.c (fold_plusminus_mult): Likewise.
1151 2006-07-07 Roger Sayle <roger@eyesopen.com>
1153 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1154 * cfgloopanal.c (dump_graph): Likewise.
1155 * dojump.c (discard_pending_stack_adjust): Likewise.
1156 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1157 Likewise.
1158 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1159 * function.c (finalize_block_changes): Likewise.
1160 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1161 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1162 * rtl.c (dump_rtx_statistics): Likewise.
1163 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1164 Likewise.
1165 * varray.c (dump_varray_statistics): Likewise.
1166 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1167 decode_decimal64, encode_decimal128, decode_decimal128,
1168 decimal_real_to_decimal): Likewise.
1170 2006-07-07 Richard Guenther <rguenther@suse.de>
1172 PR tree-optimization/28187
1173 * tree-vrp.c (vrp_operand_equal_p): New function.
1174 (vrp_bitmap_equal_p): Likewise.
1175 (update_value_range): Use them to compare old and new
1176 max and min values.
1178 2006-07-06 Roger Sayle <roger@eyesopen.com>
1180 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1181 a default case to switch statement to silence compiler warnings.
1183 2006-07-06 Roger Sayle <roger@eyesopen.com>
1185 PR target/27968
1186 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1187 the configured assembler supports the x87's ffreep mnemonic.
1188 * configure: Regenerate.
1189 * config.in: Regenerate.
1191 * config/i386/i386.c (output_387_ffreep): New function.
1192 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1193 (output_387_reg_move): Likewise.
1195 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1197 Port to hosts whose 'sort' and 'tail' implementations
1198 treat operands with leading '+' as file names, as POSIX
1199 has required since 2001. However, make sure the code still
1200 works on pre-POSIX hosts.
1201 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1202 which says you should use "tail -c +N" rather than "tail +Nc".
1203 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1205 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1207 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1208 argument name.
1210 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1212 PR target/28150
1213 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1214 PRE_{INC,DEC} of TFmode.
1216 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1217 Alan Modra <amodra@bigpond.net.au>
1219 PR target/28170
1220 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1221 bounds. Simplify.
1223 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1225 PR target/28285
1226 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1227 Remove duplicate gtu.
1229 2006-07-05 Jason Merrill <jason@redhat.com>
1231 PR c++/13983
1232 PR c++/17519
1233 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1234 * c-common.c (handle_packed_attribute): So don't copy it here.
1235 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1237 2006-07-05 Mike Stump <mrs@apple.com>
1239 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1241 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1243 PR target/26146
1244 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1246 2006-07-05 Richard Guenther <rguenther@suse.de>
1248 PR target/28158
1249 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1250 TARGET_SSE2 targets if using SSE math.
1251 (*absdf2_1): Likewise.
1253 2006-07-05 Richard Guenther <rguenther@suse.de>
1255 PR tree-optimization/28162
1256 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1257 make sure to convert the operands to the correct type.
1259 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1261 PR tree-optimization/28218
1263 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1264 to calculate and free the dominator information.
1266 2006-07-04 Peter O'Gorman <peter@pogma.com>
1268 * mklibgcc.in: chmod 644 before ranlib during install.
1270 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1271 J"orn Rennecke <joern.rennecke@st.com>
1273 * configure.ac (.eh_frame data check): Use diff -b.
1275 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1277 PR bootstrap/18058
1278 * Makefile.in (BUILD_RTL): Add build/vec.o.
1279 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1280 (build/genextract): Delete.
1281 (build/genautomata): Likewise.
1283 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1285 PR target/28207
1286 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1287 128-bit IBM long doubles for ABI_V4.
1289 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1291 * tree.c (range_in_array_bounds_p): New predicate.
1292 * tree.h (range_in_array_bounds_p): Declare it.
1293 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1294 return a less conservative answer.
1295 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1296 and flag 'is_group'.
1297 (IS_ELEMENT_FOR_GROUP): New macro.
1298 (FOR_EACH_ACTUAL_CHILD): Likewise.
1299 (next_child_for_group): New helper function.
1300 (can_completely_scalarize_p): Take into account groups.
1301 (sra_hash_tree): Handle RANGE_EXPR.
1302 (sra_elt_eq): Likewise.
1303 (lookup_element): Be prepared for handling groups.
1304 (is_valid_const_index): Delete.
1305 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1306 instead of is_valid_const_index.
1307 <ARRAY_RANGE_REF>: New case.
1308 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1309 is_valid_const_index.
1310 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1311 (scan_dump): Dump info for groups too.
1312 (decide_instantiation_1): Likewise.
1313 (decide_block_copy): Assert that the element is not a group.
1314 Propagate decision to groups.
1315 (generate_one_element_ref): Handle RANGE_EXPR.
1316 (mark_no_warning): Iterate over actual childs.
1317 (generate_copy_inout): Likewise.
1318 (generate_element_copy): Likewise.
1319 (generate_element_zero): Likewise.
1320 (generate_element_init_1): Likewise.
1321 (dump_sra_elt_name): Handle RANGE_EXPR.
1323 2006-07-03 Roger Sayle <roger@eyesopen.com>
1325 PR tree-optimization/26251
1326 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1327 (thread_block): When optimizing for size refuse to thread jumps
1328 that would require duplication of blocks other than redirection
1329 blocks.
1331 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1333 * configure.ac: Fix thinko in previous check-in.
1334 * configure: Regenerate.
1336 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1338 PR other/27063
1339 * configure.ac (for lang...): Simplify nesting of conditionals.
1340 Test subdir_requires for non-enabled languages. Move processing
1341 of lang_opt_files and lang_tree_fiels below that test.
1342 * configure: Regenerate.
1343 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1345 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1347 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1349 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1351 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1352 comment typos.
1354 2006-06-29 Jason Merrill <jason@redhat.com>
1356 PR c++/26905
1357 PR c++/26612
1358 PR c++/27000
1359 PR c++/26984
1360 PR c++/19134
1361 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1362 * c-common.c (c_determine_visibility): Handle it here.
1363 * c-decl.c (finish_decl): Call c_determine_visibility for
1364 functions, too.
1365 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1366 * tree.h: Likewise.
1367 * varasm.c (default_assemble_visibility): Likewise.
1368 * c-common.c (handle_visibility_attribute): Complain about trying
1369 to give visibility to an already defined class, or trying to change
1370 declared visibility. Always attach the attribute.
1372 PR c++/26905
1373 PR c++/21675
1374 PR c++/17470
1375 * attribs.c (decl_attributes): Ignore type-in-place attributes
1376 once the type has been defined.
1378 2006-06-29 Roger Sayle <roger@eyesopen.com>
1380 PR middle-end/27428
1381 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1382 to indicate the cpplib has issued an error message for us.
1384 2006-06-29 Asher Langton <langton2@llnl.gov>
1386 PR target/25765
1387 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1388 insert a label at the end of an function under Mach-O.
1390 2006-06-29 Eric Christopher <echristo@apple.com>
1391 Evan Cheng <evan.cheng@apple.com>
1393 * predicates.md (vector_all_ones_operand): New.
1394 (nonimmediate_or_sse_const_operand): Ditto.
1395 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1396 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1397 (standard_sse_mode_p): Ditto.
1398 (standard_sse_constant_p): Add case for -1 vector.
1399 (ix86_expand_vector_move): Try to use.
1400 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1401 Call standard_sse_constant_opcode.
1402 (*movv4sf_internal): Ditto.
1403 (*movv2df_internal): Ditto.
1405 2006-06-29 Roger Sayle <roger@eyesopen.com>
1407 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1408 of XEXP to extract the operands of a MATCH_CODE rtx.
1410 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1412 * tree.c (tree_size): Do not waste tail padding in
1413 struct tree_string and make the size be the same as
1414 build_string will generate.
1416 2006-06-28 Jason Merrill <jason@redhat.com>
1418 PR c++/27768
1419 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1420 may_aliases already in the tag's annotations to the bitmap.
1422 2006-06-28 Roger Sayle <roger@eyesopen.com>
1424 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1426 2006-06-28 Roger Sayle <roger@eyesopen.com>
1428 * genpreds.c (generate_switch_p): New function.
1429 (add_mode_tests): Push the new mode test down inside an AND expr
1430 if this allows the switch-suitable MATCH_CODE to be near the root.
1431 (write_match_code_switch): New function to write a MATCH_CODE as
1432 a switch statement.
1433 (write_predicate_stmts): New function to write a predicate RTX
1434 expression as a sequence of statements.
1435 (write_one_predicate_function): Use write_predicate_stmts.
1436 (write_tm_constrs_h): Likewise.
1438 2006-06-26 Fred Fish <fnf@specifix.com>
1440 * config/mips/t-sb1: New file.
1441 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1442 tmake_file list.
1444 2006-06-26 DJ Delorie <dj@redhat.com>
1446 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1448 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1449 Jayant Sonar <jayants@kpitcummins.com>
1450 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1452 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1453 (subsi3, subsi3_1, subsi3_2): New.
1454 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1455 * config/m32c/mov.md (SI mov peephole): New.
1456 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1457 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1459 2006-06-26 Olivier Hainque <hainque@adacore.com>
1461 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1462 a CALL_EXPR target function declaration.
1464 2006-06-26 Richard Guenther <rguenther@suse.de>
1466 * tree.c (build_string): Do not waste tail padding in
1467 struct tree_string.
1469 2006-06-26 Richard Guenther <rguenther@suse.de>
1471 * ggc-page.c (init_ggc): Add missing element to size_lookup
1472 table.
1474 Revert
1475 2006-06-23 Richard Guenther <rguenther@suse.de>
1477 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1478 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1479 alignment requests instead. Add verification code.
1480 Add struct tree_function_decl and struct tree_binfo size to
1481 extra_order_size_table. Add missing element to size_lookup
1482 table.
1484 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1486 PR middle-end/28151
1487 * fold-const.c (const_binop): Be prepared for self returning zero.
1488 Simplify code handling complex values.
1490 2006-06-24 Olivier Hainque <hainque@adacore.com>
1492 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1493 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1494 aggregate types.
1496 2006-06-24 Olivier Hainque <hainque@adacore.com>
1498 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1499 ARRAY_REF, so have the callback called for the low bound expression.
1501 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1503 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1504 * c-typeck.c (c_common_type): Disallow operations on decimal float
1505 types and other float types.
1506 * convert.c (convert_to_real): Don't ignore conversions involving
1507 decimal float types.
1509 2006-06-23 Olivier Hainque <hainque@adacore.com>
1511 * tree.c (max_int_size_in_bytes): New function, inspired from
1512 code in function.c:assign_temp.
1513 * tree.h (max_int_size_in_bytes): Declare.
1514 * function.c (assign_temp): Use it.
1515 * gimplify.c (create_tmp_var): Relax the assertions on the type
1516 properties, not mandating constant size any more.
1517 (force_constant_size): New static function.
1518 (gimple_add_tmp_var): Use it, forcing variable size to a
1519 constant upper bound if it is not constant on entry.
1521 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1523 PR target/27789
1524 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1525 for initialization and setting of one_only flag to ...
1526 (i386_pe_encode_section_info): ...here.
1527 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1528 Recheck that the symbol has not been defined.
1530 2006-06-23 Richard Guenther <rguenther@suse.de>
1532 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1533 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1534 alignment requests instead. Add verification code.
1535 Add struct tree_function_decl and struct tree_binfo size to
1536 extra_order_size_table. Add missing element to size_lookup
1537 table.
1539 2006-06-22 Roger Sayle <roger@eyesopen.com>
1540 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1542 PR middle-end/28131
1543 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1544 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1546 2006-06-23 Ben Elliston <bje@au.ibm.com>
1548 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1549 negate dn -- manipulate it directly.
1551 2006-06-22 Roger Sayle <roger@eyesopen.com>
1552 Steven Bosscher <stevenb.gcc@gmail.com>
1554 PR target/27531
1555 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1556 generated by gen_move_insn to add REG_LABEL notes if necessary.
1558 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1560 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1561 (leaf_entry): Remove use of MIN_ESA.
1563 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1565 PR rtl-optimization/28121
1566 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1567 the entry edge.
1569 2006-06-21 DJ Delorie <dj@redhat.com>
1571 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1572 (TN-16C-A156A/E).
1573 (mulhisi3_r): Likewise.
1575 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1577 PR middle-end/28034
1578 * coverage.c (coverage_counter_alloc): Leave the index type
1579 unspecified.
1580 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1581 of the ARRAY_REF.
1583 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1585 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1586 section from the "Options for Code Generation Conventions".
1588 2006-06-21 Richard Henderson <rth@redhat.com>
1590 PR target/26347
1591 PR target/27082
1592 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1593 symbols.
1594 (global_symbolic_operand): Allow weak symbols, even if local_p.
1596 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1598 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1599 (find_interesting_uses_address): Punt if above function returns true.
1601 2006-06-21 Richard Guenther <rguenther@suse.de>
1603 * configure: Regenerated.
1605 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1607 * config/mips/mips.c (function_arg): Where one part of a
1608 complex argument is in registers and the other part in the stack,
1609 return a REG not a PARALLEL.
1611 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1613 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1614 when cross-compiling. Do not substitute libstdcxx_incdir.
1615 * configure: Regenerated.
1617 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1619 * varasm.c (mergeable_string_section): Check for embedded NULs and
1620 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1621 rather than TREE_STRING_LENGTH bytes.
1623 2006-06-21 Richard Guenther <rguenther@suse.de>
1625 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1626 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1627 sizes.
1629 2006-06-21 Richrad Guenther <rguenther@suse.de>
1631 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1632 Limit iteration over the dominators.
1634 2006-06-20 Roger Sayle <roger@eyesopen.com>
1636 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1637 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1639 2006-06-20 Richard Guenther <rguenther@suse.de>
1640 Michael Matz <matz@suse.de>
1642 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1643 function.
1644 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1645 * et-forest.h (et_free_pools): Prototype new function.
1646 * et-forest.c (et_free_tree_force): Free parent occurrence.
1647 (et_free_pools): New function.
1648 * dominance.c (free_dominance_info): Free et-forest alloc
1649 pools.
1651 2006-06-20 Roger Sayle <roger@eyesopen.com>
1653 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1654 integer modes, attempt to directly construct an integer constant.
1656 * fold-const.c (native_encode_vector): Determine the size of each
1657 element from the vector type instead of the first vector element.
1659 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1660 if all of its elements/components are constant.
1661 (build_constructor_from_list): Likewise.
1663 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1665 PR tree-optimization/27331
1666 * tree-data-ref.c (free_data_ref): New function.
1667 (create_data_ref): Fail if the data reference has unknown access
1668 function.
1669 (free_data_refs): Use free_data_ref.
1671 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1673 PR middle-end/28075
1674 * tree-inline.c (setup_one_parameter): Strip useless
1675 type conversion before adding it to the IR.
1676 (declare_return_variable): Likewise.
1678 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1680 PR c/27149
1681 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1683 2006-06-19 Mike Stump <mrs@apple.com>
1685 * tree.c (variably_modified_type_p): VM arguments don't make the
1686 type a VM type.
1688 2006-06-19 Richard Guenther <rguenther@suse.de>
1690 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1691 type conversions after folding.
1693 2006-06-19 Richard Guenther <rguenther@suse.de>
1695 * ggc-page.c (extra_order_size_tab): Add entries with
1696 size of struct function and basic_block.
1697 (size_lookup): Extend to cover sizes up to 511.
1698 (ggc_alloc_stat): Adjust user.
1699 (ggc_pch_count_object): Likewise.
1700 (ggc_pch_alloc_object): Likewise.
1701 (ggc_pch_write_object): Likewise.
1703 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1705 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1706 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1707 correctly.
1709 2006-06-19 Denis Chertykov <denisc@overta.ru>
1711 * config/avr/libgcc.S : Correct my wrong previous commit.
1713 2006-06-19 Roger Sayle <roger@eyesopen.com>
1715 PR target/27861
1716 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1717 have stripped a SUBREG from the shift count, so we may need to
1718 convert_to_mode back to the type's mode before calling make_tree.
1719 Use new_amount instead of amount to avoid expanding a tree twice.
1721 2006-06-19 Richard Guenther <rguenther@suse.de>
1723 PR middle-end/28045
1724 * fold-const.c (operand_equal_p): Check if the argument types
1725 have the same precision before stripping NOPs.
1727 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1729 Fix PR tree-optimization/27341
1730 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1731 statement we get.
1732 * tree-complex.c (pass_lower_complex): Update SMT usage.
1734 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1736 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1737 Add a new alternative to the constraint strings. Add move of
1738 operand 1 to 3 to the splitter definition.
1739 ("doloop_si_long"): Second contraint alternative removed.
1741 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1743 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1744 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1745 __AVR_HAVE_LPMX__.
1746 (AVR_HAVE_MOVW) Define.
1747 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1748 (ASM_SPEC): Add avr25.
1749 (LINK_SPEC): Add avr25.
1750 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1751 (base_arch_s): Add new member 'have_movw_lpmx'.
1752 (avr_arch_types): Init 'have_movw_lpmx'.
1753 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1754 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1755 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1756 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1757 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1758 AVR_HAVE_MOVW.
1759 (avr_file_start): Do not output '.arh' derective.
1760 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1761 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1762 * config/avr/avr.md (mcu_enhanced): Delete.
1763 (mcu_have_movw): Define.
1764 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1765 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1766 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1767 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1768 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1769 attiny861 and at86rf401 devices.
1771 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1773 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1774 of 4096.
1776 2006-06-17 Karl Berry <karl@gnu.org>
1778 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1779 doc/gccint.texi, doc/install.texi (@dircategory): Use
1780 "Software development" instead of "Programming", following
1781 the Free Software Directory.
1783 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1785 * config/i386/i386.c (legitimate_tls_address)
1786 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1787 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1788 (*tls_dynamic_gnu2_combine_64): Likewise.
1790 2006-06-16 Richard Guenther <rguenther@suse.de>
1792 PR middle-end/27116
1793 * fold-const.c (negate_expr_p): Do not introduce undefined
1794 overflow in negating INTEGER_CSTs.
1795 (fold_negate_expr): Rename from negate_expr. Revert last
1796 change for folding BIT_NOT_EXPR. Change semantics to
1797 return NULL_TREE for non-simplified negations. Do not
1798 strip type conversions and unify type handling.
1799 (negate_expr): New function, wrap around fold_negate_expr
1800 but ensure building a tree always. Strip type conversions
1801 here, fold to result type.
1802 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1804 2006-06-16 Roger Sayle <roger@eyesopen.com>
1806 PR middle-end/27802
1807 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1808 that (would) return their results in stack registers.
1810 2006-06-16 Michael Matz <matz@suse.de>
1811 Richard Guenther <rguenther@suse.de>
1813 * fold-const.c (fold_truthop): Only return new tree node if
1814 we canonicalized something.
1816 2006-06-16 Richard Guenther <rguenther@suse.de>
1818 * function.h (enum function_frequency): Move declaration
1819 out of struct function.
1820 (struct function): Move bool fields and the enum to the bitfield
1821 section. Reorder elements to avoid padding. Remove unused
1822 fields left over from the RTL inliner removal.
1823 * function.c (free_after_compilation): Do not zero removed fields.
1824 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
1825 (ipa-type-escape.o): Likewise.
1827 2006-06-16 Richard Guenther <rguenther@suse.de>
1829 * cgraph.h (struct cgraph_local_info): Turn bool elements
1830 into a bitfield.
1831 (struct cgraph_node): Likewise.
1832 (struct cgraph_varpool_node): Likewise.
1834 2006-06-15 Richard Guenther <rguenther@suse.de>
1836 * fold-const.c (fold_truth_not_expr): Rename from
1837 invert_truthvalue. Give it fold_* semantics to avoid
1838 generating garbage.
1839 (invert_truthvalue): New function. Wrapper around
1840 fold_truth_not_expr.
1841 (optimize_minmax_comparison): Avoid creating garbage.
1842 (fold_unary): Use fold_truth_not_expr for folding
1843 TRUTH_NOT_EXPR.
1844 (fold_ternary): Replace uses of invert_truthvalue with
1845 fold_truth_not_expr where applicable.
1846 * tree.h (fold_truth_not_expr): Prototype.
1848 2006-06-16 Richard Guenther <rguenther@suse.de>
1850 PR tree-optimization/27781
1851 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
1852 * ipa-pure-const.c (target.h): Include.
1853 (analyze_function): Do not analyze functions that do not
1854 bind locally.
1856 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
1858 PR middle-end/27793
1859 * tree-dfa.c (referenced_vars_dup_list): Remove.
1860 (find_referenced_vars): Remove assert.
1861 (referenced_var_check_and_insert): Replace dup list with assert.
1862 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
1863 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
1865 2006-06-15 Richard Guenther <rguenther@suse.de>
1867 * tree-ssa-structalias.c (alias_get_name): Avoid creating
1868 extra unused identifiers if not dumping.
1869 (create_variable_info_for): Likewise.
1871 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
1873 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
1874 (derive_constant_upper_bound): Derive more precise upper bound in
1875 common cases. Return type changed to double_int.
1876 (record_estimate): Reflect the changed return type of
1877 derive_constant_upper_bound.
1878 * double-int.c (double_int_zext, double_int_sext): Fix.
1880 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
1882 * configure.ac (CFLAGS): Get them from the toplevel or from the
1883 configure invocation.
1884 * configure: Regenerate.
1885 * Makefile.in (CFLAGS): Substitute value provided by configure.
1887 2006-06-14 Mark Mitchell <mark@codesourcery.com>
1889 PR c++/26559
1890 * c-common.h (c_finish_omp_atomic): Adjust declaration.
1891 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
1892 rather than calling add_stmt on it.
1893 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
1895 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
1897 PR middle-end/27959
1898 * reload1.c (reload): Remove registers returned by update_eliminables
1899 from used_spill_regs.
1901 2006-06-13 DJ Delorie <dj@redhat.com>
1903 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
1905 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
1907 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
1908 html__strip_dir, html__mkdir_p. Enhance install-html target.
1909 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
1910 * configure: Regenerate.
1912 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
1914 * fold-const.c (fold_cond_expr_with_comparison): Check for
1915 Objective-C++ as language in deciding COND_EXPR transformation.
1917 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
1919 PR target/28014:
1920 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
1921 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
1922 * config/sh/lib1funcs.h (SL, SL1): Define.
1923 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
1924 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
1925 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
1926 (OBJS_Os_4_200): New variable.
1927 ($(T)libgcc-Os-4-200.a): Use it.
1928 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
1929 when dividing 1 and/or by 0.
1931 2006-06-13 Roger Sayle <roger@eyesopen.com>
1933 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
1934 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
1935 * configure: Regenerate.
1937 2006-06-13 Jie Zhang <jie.zhang@analog.com>
1939 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
1940 for real instruction.
1942 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1944 PR middle-end/26807
1945 * haifa-sched.c (check_cfg): Handle special case.
1947 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
1949 PR debug/26754
1950 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
1951 Add debug_info parameter. Chain the vars to the BLOCK instead
1952 of the BIND_EXPR if debug info are requested for them.
1953 (pop_gimplify_context): Adjust for above change.
1954 (gimple_add_tmp_var): Likewise.
1955 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
1956 Add bool parameter.
1957 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
1958 (convert_local_reference): Likewise.
1959 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
1960 (finalize_nesting_tree_1): Request that debug info be emitted
1961 for debug_var_chain.
1963 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1965 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
1966 for PR target/27863.
1968 2006-06-13 Richard Guenther <rguenther@suse.de>
1970 PR middle-end/27536
1971 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
1973 2006-06-13 Richard Guenther <rguenther@suse.de>
1975 PR tree-optimization/27830
1976 * tree-inline.c (copy_body_r): For copying the operand
1977 of an ADDR_EXPR make sure to fold &* afterwards.
1979 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
1981 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
1982 lvalues in the fb_none case with side-effects.
1984 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
1986 * tree-flow.h: Remove the prototype for
1987 compute_phi_arg_on_exit.
1988 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
1989 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
1990 Remove.
1992 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
1994 * builtins.c (expand_builtin_return_addr): Only use
1995 frame_pointer_rtx when count == 0 and we are expanding
1996 __builtin_return_address.
1998 2006-06-12 Fred Fish <fnf@specifix.com>
2000 * config/mips/mips.c (mips_file_start): Create special section
2001 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2003 2006-06-11 Eric Christopher <echristo@apple.com>
2005 PR middle-end/27948
2006 * stor-layout.c (place_field): Remove check for
2007 remaining_in_alignment when aligning at the end of a run.
2009 2006-06-11 Eric Christopher <echristo@apple.com>
2011 PR 27542
2012 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2013 pragma.
2015 2006-06-11 Roger Sayle <roger@eyesopen.com>
2017 PR target/27858
2018 Revert incorrect fix for PR target/27158
2019 2006-05-08 Roger Sayle <roger@eyesopen.com>
2020 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2021 of a reg_equiv_constant if the result is a legitimate constant.
2023 2006-06-11 Roger Sayle <roger@eyesopen.com>
2025 PR target/27158
2026 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2027 extract a CONST_VECTOR element and interpret it as an integer.
2028 (vspltis_constant): Use const_vector_elt_as_int instead of the
2029 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2030 * config/rs6000/predicates.md (easy_vector_const): Consider
2031 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2033 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2035 PR middle-end/27942
2036 * stor-layout.c (update_alignment_for_field): Don't add extra
2037 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2038 code.
2040 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2042 * config/mips/t-rtems: Add EL/EB multilib variants.
2044 2006-06-09 Mike Stump <mrs@apple.com>
2046 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2048 2006-06-09 David Daney <ddaney@avtrex.com>
2050 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2052 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2054 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2056 2006-06-09 Richard Guenther <rguenther@suse.de>
2058 PR tree-optimization/26998
2059 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2060 of signed types, only TYPE_MIN_VALUE is special, but for both,
2061 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2062 in this case, as is -fwrapv.
2064 2006-06-08 Mike Stump <mrs@apple.com>
2066 PR target/26427
2067 * config/darwin.c (darwin_asm_output_anchor): Disable
2068 -fsection-anchors on darwin for now.
2069 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2070 * rs6000/rs6000.c (optimization_options): Likewise.
2072 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2074 PR target/27421
2075 * config/i386/i386.c (classify_argument): Skip fields with invalid
2076 types in unions.
2078 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2080 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2081 (cse_insn): Likewise for the stack_pointer_rtx.
2083 2006-06-08 Roger Sayle <roger@eyesopen.com>
2085 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2086 conditions from floating point comparisons.
2088 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2090 PR middle-end/27733
2091 * expmed.c (struct alg_hash_entry): Fix type of field T
2092 to match synth_mult argument.
2093 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2095 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2097 PR target/27863
2098 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2099 block boundaries.
2101 2006-06-08 Richard Guenther <rguenther@suse.de>
2103 PR middle-end/27116
2104 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2105 only, if overflow is defined and not trapping.
2106 (negate_expr): Likewise.
2108 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2110 PR tree-optimization/27872
2111 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2112 flag on the new exit edge of the unrolled loop.
2114 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2116 PR rtl-optimization/26449
2117 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2119 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2121 PR middle-end/27793
2122 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2123 referenced_variables with matching DECL_UID's.
2124 (find_referenced_vars): Make sure duplicate list is empty to start.
2125 (referenced_var_p): Remove.
2126 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2127 Check if var is in the list, and add if needed. Update the duplicate
2128 list if a different var is in the list with the same DECL_UID.
2129 (add_referenced_var): Call routine to check and insert.
2130 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2131 * tree-flow.h (referenced_vars_dup_list): External declaration.
2133 2006-06-07 Fred Fish <fnf@specifix.com>
2135 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2136 into single entry.
2138 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2140 PR target/27390
2141 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2142 the imaginary and real parts of a clobbered register.
2143 Emit insn to set the imaginary part.
2145 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2147 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2148 in lieu of unwind-dw2-fde.c.
2150 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2152 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2154 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2156 PR target/27842
2157 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2158 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2159 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2160 V4SImode temporaries and operations instead.
2162 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2164 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2165 dp-bit.c.
2167 2006-06-06 Mike Stump <mrs@apple.com>
2169 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2170 installing during build.
2172 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2174 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2175 value to 0.
2176 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2177 * config/ia64/ia64.c (params.h): New header.
2178 (ia64_optimization_options): New function to adjust parameters.
2179 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2180 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2181 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2183 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2185 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2187 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2189 PR target/27051
2190 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2192 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2193 Victor Kaplansky <victork@il.ibm.com>
2195 PR tree-optimization/26360
2196 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2197 stmts.
2199 2006-06-04 Roger Sayle <roger@eyesopen.com>
2200 Andrew Pinski <pinskia@physics.uc.edu>
2202 PR middle-end/27382
2203 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2204 for LABEL_DECL before calling DECL_WEAK.
2206 PR c/27150
2207 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2208 LABEL_DECL and PARM_DECL.
2210 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2212 PR c/25161
2213 PR c/27020
2214 * c-decl.c (grokdeclarator): Disallow variably modified types at
2215 file scope. Avoid marking shared array type of constant size as
2216 VLA.
2218 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2220 PR c++/27601
2221 * c-common.c (fold_offsetof_1): Handle static members.
2223 2006-06-04 Eric Christopher <echristo@apple.com>
2225 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2226 (debug_rli): Output value for remaining_in_alignment.
2227 (update_alignment_for_field): Unconditionalize
2228 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2229 extra alignment code.
2230 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2231 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2232 * tree.h (record_layout_info_s): Remove prev_packed.
2233 * doc/extend.texi (ms_struct): Add documentation of format.
2235 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2237 * tree.h: Declare folding_initializer.
2238 * builtins.c (fold_builtin_constant_p): Give definite answer
2239 if folding inside an initializer.
2240 * fold-const.c: Define folding_initializer.
2241 (START_FOLD_INIT): Save and then set folding_initializer.
2242 (END_FOLD_INIT): Restore folding_initializer.
2244 2006-06-04 Richard Guenther <rguenther@suse.de>
2246 PR tree-optimization/27039
2247 * fold-const.c (fold_comparison): Handle pointer comparison
2248 again for all comparison codes. Compare offsets in signed
2249 size type.
2250 (fold_binary): Move code from here.
2252 2006-06-03 Roger Sayle <roger@eyesopen.com>
2254 PR target/26223
2255 * config/i386/i386.c (construct_container): Split static issued_error
2256 flag into issued_sse_arg_error, issued_sse_ret_error and
2257 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2258 requires the use of x87 registers and the user explicitly
2259 specified the -mno-80387 command line option.
2261 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2263 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2264 HAVE_DECL_SIGALTSTACK.
2265 (MC_FLD): New.
2266 (segv_handler): Use MC_FLD.
2267 * configure.ac: Check for a sigaltstack declaration.
2268 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2269 * configure: Regenerate.
2270 * config.in: Regenerate.
2272 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2274 PR other/27850
2275 * Makefile.in (stmp-fixinc): Fix typo.
2277 2006-06-02 Roger Sayle <roger@eyesopen.com>
2279 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2280 are type correct. Clean-up.
2281 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2282 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2284 2006-06-01 DJ Delorie <dj@redhat.com>
2286 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2287 shift, as we've disabled the "switch" insn that needs it.
2289 2006-06-01 Per Bothner <bothner@bothner.com>
2291 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2292 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2293 * c-ppoutput.c (cb_define): Don't increment line 0.
2295 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2297 * doc/invoke.texi: Add cpu_type power6.
2298 * config.gcc: Add cpu_type power6.
2299 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2300 to power5+ with Altivec.
2301 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2302 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2304 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2306 * config/avr/avr.h (SET_ASM_OP): Define.
2308 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2310 * config/bfin/bfin.c: Fix comment typos.
2312 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2314 PR 25453
2315 * doc/install.texi: Document --enable-bootstrap and
2316 --disable-bootstrap.
2318 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2320 * doc/install.texi: Document that InfoZIP can replace jar.
2322 2006-05-31 Roger Sayle <roger@eyesopen.com>
2324 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2325 isn't available, directly generate the simpler x87 patterns without
2326 the (use (const_int 0)).
2327 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2328 implementation isn't available.
2329 (*negdf2_1): Likewise.
2330 (*negxf2_1): XF mode negation is always done using the x87.
2331 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2333 2006-05-31 Roger Sayle <roger@eyesopen.com>
2335 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2336 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2337 cabs(z).
2338 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2340 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2342 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2343 * config/bfin/bfin.c (basic-block.h): Include.
2344 (struct machine_function): New.
2345 (bfin_init_machine_status): New.
2346 (override_options): Initialize init_machine_status.
2347 (bfin_hardware_loop): New.
2348 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2349 (DEF_VEC_P (loop_info)): New.
2350 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2351 (struct loop_info): New.
2352 (loop_info): New typedef.
2353 (struct loop_work): New.
2354 (loop_work): New typedef.
2355 (DEF_VEC_O (loop_work)): New.
2356 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2357 (bfin_dump_loops): New.
2358 (bfin_bb_in_loop): New.
2359 (bfin_scan_loop): New.
2360 (bfin_optimize_loop): New.
2361 (bfin_reorg_loops): New.
2362 (bfin_reorg): Use bfin_reorg_loops.
2363 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2364 loop registers.
2365 (I_REGNO_P): Simplify.
2366 (DP_REGNO_P, DPREG_P): New macros.
2367 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2368 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2369 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2370 Add LT_REGS, LC_REGS, LB_REGS.
2371 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2372 'l' for LB_REGS.
2373 (REGNO_REG_CLASS): Deal with loop registers.
2374 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2375 letters.
2376 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2377 New constants for loop registers.
2378 (UNSPEC_LSETUP_END): New.
2379 (seq_insns): New define_attr. Set it for appropriate insns.
2380 (movsi_insn): Add alternatives for move from/to
2381 loop count registers.
2382 (doloop_end): New define_expand.
2383 (loop_end): New define_insn.
2384 (define_split for bad doloop_end): New.
2385 (lsetup_with_autoinit): New define_insn.
2386 (lsetup_without_autoinit): New define_insn.
2387 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2388 * config/bfin/predicates.md (lc_register_operand): New.
2389 (lt_register_operand): New.
2390 (lb_register_operand): New.
2391 (nondp_register_operand): New.
2392 (nondp_reg_or_memory_operand): New.
2393 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2395 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2397 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2398 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2400 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2402 * Makefile.in (CATALOGS): Add po/ prefix.
2403 * configure: Regenerated.
2405 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2407 PR target/27829
2408 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2409 a shift operand before calling shift_op. Avoid redundant call of
2410 shift_op.
2412 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2413 DJ Delorie <dj@redhat.com>
2415 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2416 we're inserting is a singlt-bit constant.
2418 2006-05-30 Roger Sayle <roger@eyesopen.com>
2420 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2421 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2423 2006-05-30 Roger Sayle <roger@eyesopen.com>
2425 PR tree-optimization/23452
2426 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2427 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2428 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2429 complex values and with -ffast-math for FP complex values.
2431 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2433 * c-common.h: Remove the prototype for yyparse.
2434 * rtl.h: Remove the prototype for init_loop.
2436 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2438 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2439 calling recog.
2441 2006-05-30 Roger Sayle <roger@eyesopen.com>
2443 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2444 and rotate cases.
2445 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2446 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2448 2006-05-30 Dirk Mueller <dmueller@suse.de>
2450 PR c/27273
2451 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2452 for CONSTANT_CLASS_P expresisons.
2454 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2456 PR c/27718
2457 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2459 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2461 PR tree-optimization/27779
2462 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2463 initial_condition instead of CHREC_LEFT.
2465 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2467 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2468 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2469 Make prototypes ISO C90.
2471 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2472 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2474 * see.c (see_analyze_one_def): Correct check.
2475 (see_get_extension_data): Check if extension is parallel.
2476 (see_get_extension_reg): Likewise.
2478 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2480 PR target/27790
2481 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2482 into register for (code == GTU).
2484 2006-05-29 Roger Sayle <roger@eyesopen.com>
2486 PR tree-optimization/24964
2487 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2488 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2489 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2490 abs(x)*abs(x) as x*x for scalar floating point modes.
2492 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2494 PR middle-end/27745
2495 * lambda-code.c (perfect_nestify): Don't copy statements
2496 in the inner loop: move them to the inner loop header.
2498 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2500 PR 26237
2501 * c-tree.texi: Document OpenMP directives and clauses.
2503 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2505 * varasm.c (globalize_decl): Fix indentation.
2507 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2509 PR 26242
2510 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2511 pass_fre, pass_store_ccp, pass_copy_prop,
2512 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2513 pass_return_slot, pass_object_size, pass_lim,
2514 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2515 pass_loop_prefetch and pass_stdarg.
2517 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2519 * config/bfin/bfin.opt (mfdpic): New option.
2520 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2521 (EXTRA_MULTILIB_PARTS): Likewise.
2522 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2523 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2524 multilib.
2525 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2526 (CRT_CALL_STATIC_FUNCTION): New.
2527 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2528 -shared.
2529 (CRT_CALL_STATIC_FUNCTION): New.
2530 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2531 FD-PIC moves.
2532 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2533 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2534 (initialize_trampoline): Changed to handle FD-PIC code generation.
2535 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2536 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2537 (override_options): Disallow -mid-shared-library -mfdpic combination.
2538 Can't do unaligned ops if FD-PIC.
2539 Turn off flag_pic if trying to generate non-id-shared-library
2540 non-fdpic code, since it's not supported.
2541 (bfin_assemble_integer): New function.
2542 (TARGET_ASM_INTEGER): Define.
2543 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2544 __BFIN_FDPIC__.
2545 * config/bfin/crtn.s: Restore them.
2546 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2547 if TARGET_FDPIC.
2548 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2549 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2550 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2551 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2552 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2553 call-used.
2554 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2555 FDPIC_REGS and FDPIC_FPTR_REGS.
2556 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2557 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2558 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2559 (load_funcdescsi): New pattern.
2560 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2561 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2562 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2564 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2566 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2567 loop.c.
2569 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2571 * tree-flow.h: Remove the prototype for add_type_alias.
2572 * tree-ssa-alias.c (add_type_alias): Remove.
2574 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2576 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2577 config/fr30/fr30.md, config/i386/i386-interix.h,
2578 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2579 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2580 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2581 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2582 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2583 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2584 Follow spelling conventions.
2585 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2586 Follow spelling conventions.
2588 2006-05-27 Richard Guenther <rguenther@suse.de>
2590 PR middle-end/27773
2591 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2592 to produce a constant of value 1 of generic type.
2594 2006-05-27 Dirk Mueller <dmueller@suse.de>
2596 * cgraphunit.c (decide_is_function_needed): Fix wrong
2597 PR reference.
2599 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2601 PR rtl-optimization/27661
2602 * reload.c (find_reloads): When reloading a VOIDmode constant
2603 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2604 use Pmode as mode of the reload register.
2606 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2608 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2609 is enabled at -O and above.
2611 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2613 PR target/27571
2614 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2615 table data.
2617 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2619 PR c++/20103
2620 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2621 for anonymous variables explicitly declared by front ends.
2623 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2625 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2626 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2627 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2628 ref-all pointers, run a finalization pass for them.
2629 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2630 (finalize_ref_all_pointers): New function.
2631 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2632 regular pointer type to a ref-all pointer type.
2633 (get_tmt_for): Return the special memory tag for ref-all pointers.
2635 2006-05-25 Richard Guenther <rguenther@suse.de>
2637 PR middle-end/27743
2638 * fold-const.c (fold_binary): Do not look at the stripped
2639 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2641 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2643 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2644 for LT and GT if the computed range is effectively empty.
2646 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2648 PR target/27627
2649 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2650 mips_quad_format formats instead of ieee_single_format,
2651 ieee_double_format and ieee_quad_format formats, respectively.
2653 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2655 PR tree-optimization/27639
2656 PR tree-optimization/26719
2657 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2658 call to scev_probably_wraps_p.
2659 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2660 used_in_pointer_arithmetic_p, convert_step): Removed.
2661 (nowrap_type_p): New function.
2662 (scev_probably_wraps_p): Rewritten.
2663 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2664 chrec_convert if chrec_convert_aggressive might have been used.
2665 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2666 scev_direction): New functions.
2667 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2668 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2669 instead of convert_step.
2670 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2671 (convert_step): Declaration removed.
2672 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2674 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2676 * df-core.c: Added to header comments.
2677 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2678 df_ur_bb_info, df_urec_bb_info): Added comments.
2679 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2680 urec, ri problems): Fixed header comments.
2681 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2682 code from df_rd_transfer_function.
2684 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2686 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2687 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2688 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2690 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2692 * expr.c (undefined_operand_subword_p): New.
2693 (emit_move_multi_word): Do not generate move from undefined bits
2694 of a paradoxical subreg.
2696 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2698 PR rtl-optimization/27736
2699 * combine.c (replaced_rhs_value): New variable.
2700 (combine_instructions): Set it.
2701 (distribute_notes): When distributing a note in replaced_rhs_insn,
2702 check whether the value was used in replaced_rhs_value.
2704 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2706 PR c++/26757
2707 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2708 add_referenced_var instead of add_referenced_tmp_var.
2709 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2710 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2711 add_referenced_var.
2712 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2713 tree_optimize_tail_calls_1): Use add_referenced_var.
2714 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2715 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2716 Use add_referenced_var.
2717 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2718 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2719 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2720 Use add_referenced_var.
2721 * tree-dfa.c (struct walk_state): Remove.
2722 (find_referenced_vars): Remove walk state and vars_found hash table.
2723 (make_rename_temp): Use add_referenced_var.
2724 (find_vars_r): Pass less parameters to add_referenced_var.
2725 (referenced_var_p): New. Is var in referenced_var hash table.
2726 (referenced_var_insert): Assert var isn't already in hash table.
2727 (add_referenced_var): Don't need walk_state parameter. Add var if it
2728 isn't already in the hash table.
2729 (add_referenced_tmp_var): Remove.
2730 (find_new_referenced_vars_1): Use add_referenced_var.
2731 * tree-ssa-pre.c (create_expression_by_pieces,
2732 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2733 Use add_referenced_var.
2734 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2735 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2736 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2737 add_referenced_var.
2738 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2739 vect_create_data_ref_ptr, vect_create_destination_var,
2740 vect_init_vector, vect_build_loop_niters,
2741 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2742 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2743 Use add_referenced_var.
2744 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2745 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2746 (add_referenced_var): Add prototype.
2747 * tree-ssa-structalias.c (get_constraint_for,
2748 intra_create_variable_infos): Use add_referenced_var.
2750 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2752 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2753 big-endian paradoxical subregs.
2754 * var-tracking.c (struct micro_operation_def): Document that,
2755 for modify micro operations, insn is the subsequent instruction.
2756 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2757 (var_reg_set, var_mem_set): ... new functions.
2758 (add_stores): Record subsequent insn.
2759 (compute_bb_dataflow): Use new functions for MO_USE.
2760 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2761 notes after the insn, and modify notes before the insn known
2762 to be the subsequent one.
2763 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2765 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2767 PR target/27696
2768 * config/i386/i386.c (ix86_expand_builtin): Use
2769 gen_sse3_monitor64 for TARGET_64BIT.
2771 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2773 PR rtl-optimization/26375
2774 PR rtl-optimization/26855
2775 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2776 to gen set.
2777 (df_ru_bb_local_compute): Reversed statements and removed bogus
2778 comment explaining why they should be in wrong order.
2779 (df_ru_dump, df_rd_dump): Enhanced debug info.
2780 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2781 debug info.
2782 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2783 reaching uses and fixed space problem.
2785 2006-05-23 Jan Hubicka <jh@suse.cz>
2787 * cgraphunit.c (decide_is_function_needed): Also nested functions
2788 and functions declared inline can be optimized out at -O0.
2790 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2792 * doc/install.texi (Configuration): Remove reference to CrossGCC
2793 FAQ which was gone.
2794 (Building): Ditto.
2796 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2798 PR target/27266
2799 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2800 ix86_compare_emitted is non-NULL.
2802 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2804 PR c++/27451
2805 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2806 clobbers.
2808 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2810 PR rtl-optimization/25514
2811 * combine.c (replaced_rhs_insn): New variable.
2812 (combine_instructions): Set replaced_rhs_insn when trying to replace
2813 a SET_SRC with a REG_EQUAL note.
2814 (distribute_notes): Use replaced_rhs_insn when determining the live
2815 range of a REG_DEAD register.
2817 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2818 Anatoly Sokolov <aesok@post.ru>
2820 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
2821 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
2822 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
2823 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
2824 atmega3290, atmega649, atmega6490, atmega406, atmega640,
2825 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
2826 at90usb647, at90usb1286 and at90usb1287 devices.
2827 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2828 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2830 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2832 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2834 2006-05-22 Richard Guenther <rguenther@suse.de>
2836 Revert
2837 2006-01-31 Richard Guenther <rguenther@suse.de>
2838 Paolo Bonzini <bonzini@gnu.org>
2840 * doc/install.texi (--disable-libgcc-math): Document.
2842 2006-05-22 Richard Guenther <rguenther@suse.de>
2844 Revert
2845 2006-01-31 Richard Guenther <rguenther@suse.de>
2847 * doc/invoke.texi (-msselibm): Document.
2848 * target.h (expand_library_builtin): New target hook.
2849 * builtins.c (expand_builtin): Use expand_library_builtin.
2850 (default_expand_library_builtin): New function.
2851 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2852 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2853 (link_gcc_math_spec): Declare.
2854 (static_specs): Add link_gcc_math_spec.
2855 * expr.h (default_expand_library_builtin): Declare.
2856 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2857 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2858 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2859 * config/i386/i386.opt (msselibm): New target option.
2860 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2861 (ix86_init_sse_abi_builtins): New function.
2862 (ix86_expand_library_builtin): Likewise.
2863 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2864 (override_options): Handle error conditions wrt -msselibm.
2865 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2866 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2867 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2868 builtins.
2870 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2872 PR c/27420
2873 * c-common.c (self_promoting_args_p): Skip erroneous args.
2875 PR c/26818
2876 * c-decl.c (finish_struct): Skip erroneous fields.
2878 2006-05-22 Nick Clifton <nickc@redhat.com>
2880 * config/cris/cris.opt (march): Remove VarExists attribute.
2881 (max-stackframe=): Likewise.
2883 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2885 * doc/rtl.texi: Fix a typo.
2886 * see.c: Fix comment typos.
2888 * tree-ssa-structalias.h (alias_info): Remove num_references.
2890 2006-05-21 Mike Stump <mrs@apple.com>
2892 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
2893 (BAD2): Add.
2894 (darwin_pragma_options): Use BAD instead.
2895 (darwin_pragma_unused): Likewise.
2896 (darwin_pragma_ms_struct): Likewise.
2898 2006-05-21 David Edelsohn <edelsohn@gnu.org>
2900 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2902 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
2904 PR rtl-optimization/27671
2905 * simplify-rtx.c (simplify_relational_operation_1): Fix
2906 simplifications of (eq/ne (xor x y) y) and
2907 (eq/ne (xor x y) x).
2909 PR tree-optimization/26622.
2910 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
2911 on arg1.
2913 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2915 * tree-cfg.c: Prune whitespace.
2916 (debug_tree_cfg): Point to correct header containing the
2917 TDF_* defines.
2919 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
2921 PR middle-end/25776
2922 * cgraphunit.c (verify_cgraph_node): Typo in error message.
2924 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
2926 PR middle-end/25776
2927 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
2928 or sorry count is non zero.
2930 2006-05-20 Andreas Schwab <schwab@suse.de>
2932 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2934 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
2935 Kenneth Zadeck <zadeck@naturalbridge.com>
2937 PR rtl-optimization/26855
2939 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
2940 multiword refs.
2941 (df_scan_alloc): Added code to properly handle multiword hard
2942 registers and add all_blocks parameter.
2943 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
2944 code to properly handle multiword hard registers.
2945 (df_rescan_blocks): Added code to remove deleted blocks from
2946 bitmap.
2947 (df_ref_create_structure, df_ref_record): Added code to properly
2948 handle subregs.
2949 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
2950 and set DF_REF_PARTIAL.
2951 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
2952 (df_uses_record): Added DF_REF_PARTIAL for subreg.
2953 (df_scan_add_problem): Added flags parameter.
2954 (df_ref_create_structure): Changed switching structure.
2955 (df_bb_refs_record): Fixed case where duplicate artificial refs
2956 were created. Changed location of flags.
2957 (df_record_entry_block_defs): Added code to make stack pointer
2958 live in entry block. Refined cases where frame pointer is needed.
2959 Changed location of flags.
2960 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
2961 (df_set_state): Removed function.
2962 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
2963 df_insn_create_insn_record, df_insn_refs_delete,
2964 df_ref_create_structure): Formatting changes.
2965 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
2966 df_delete_basic_block): New function.
2967 (df_init): Changed location of flags.
2968 (df_add_problem): Added flags parameter and the way flags are
2969 processed.
2970 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
2971 debug_df_chain): Improved debugging output.
2972 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
2973 (df_refs_chain_dump): Removed df parameter.
2974 (df_iterative_dataflow): Added consistency check.
2975 (df_prune_to_subcfg): Made public.
2976 (df_analyze_problem): Added blocks_to_init parameter and made
2977 public.
2978 (df_ref_record, df_bb_refs_record, df_mark_reg,
2979 df_record_exit_block_uses): Whitespace changes.
2980 (df_dump): Whitespace changes.
2981 * df.h: Some reordering to remove forward references.
2982 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
2983 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
2984 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
2985 (dataflow.flags): New field.
2986 (df.flag): Deleted field.
2987 (df_alloc_function): Added additional bitmap parameter.
2988 (df_dependent_problem_function): New type.
2989 (df_problem.changeable_flags): New field.
2990 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
2991 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
2992 (df_mw_hardreg): New struct.
2993 (DF_INSN_UID_MWS): New macro.
2994 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
2995 parameter.
2996 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
2997 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
2998 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
2999 (df_set_state): Removed function.
3000 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3001 * df-problems.c (df_chain_dump): Removed df parameter.
3002 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3003 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3004 parameter.
3005 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3006 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3007 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3008 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3009 DF_REF_MUST_CLOBBER cases.
3010 (df_ru_bb_local_compute_process_def,
3011 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3012 df_lr_bb_local_compute, df_ur_bb_local_compute,
3013 df_chain_create_bb): Made subreg aware.
3014 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3015 df_lr_bb_local_compute, df_lr_bb_local_compute,
3016 df_chain_create_bb): Cleanup to use proper macros.
3017 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3018 code to fixup bitvectors.
3019 (df_ri_alloc): Cleared lifetime.
3020 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3021 df_create_unused_note): New function.
3022 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3023 REG_DEAD and REG_UNUSED notes as well as register information.
3024 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3025 df_chains_dump): Fixed crash if problem was never run.
3026 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3027 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3028 df_ri_add_problem): Processes flags in uniform manner.
3029 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3030 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3031 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3032 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3033 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3034 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3035 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3036 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3037 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3038 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3039 * see.c (see_initialize_data): Ditto.
3040 * final.c (rest_of_clean_state) Added regstack_completed.
3041 * rtl.h (regstack_completed): Ditto.
3042 * reg-stack.c (regstack_completed): Ditto.
3044 2006-05-19 Mike Stump <mrs@apple.com>
3046 * c-tree.h (default_conversion): Remove.
3047 * c-common.h (default_conversion): Add.
3049 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3051 * tree-vrp.c (valid_value_p): New function.
3052 (adjust_range_with_scev): Fail if the value of bound is not
3053 simple.
3055 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3057 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3058 (mips_fallback_frame_state): Use syscall numbers to determine
3059 the appropriate li instruction for the current ABI. Only use
3060 __NR_sigreturn for o32.
3062 2006-05-19 Nicolas Setton <setton@adacore.com>
3064 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3065 * langhooks.c (lhd_dwarf_name): New function.
3066 * langhooks-def.h (lhd_dwarf_name): Declare.
3067 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3068 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3069 * ada/misc.c (gnat_dwarf_name): New function.
3070 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3072 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3074 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3075 libgcc2.h.
3076 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3077 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3078 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3079 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3080 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3081 determine the size of Wtype, etc.
3082 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3083 (swfloatfuncs): New variable.
3084 (dwfloatfuncs): Likewise.
3085 (lib2funcs): Remove floating-point conversion functions from
3086 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3087 the set of conversion routines needed. Allow entries to specify
3088 an object name, filename and word size. Update users accordingly.
3089 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3090 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3092 Revert:
3094 2006-02-08 Roger Sayle <roger@eyesopen.com>
3096 PR target/22209
3097 * config/fixtfdi.c: New libgcc source file.
3098 * config/fixunstfdi.c: New source file.
3099 * config/floatditf.c: New source file.
3100 * config/floatunditf.c: New souce file.
3101 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3102 files above instead of config/mips/_tilib.c.
3103 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3105 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3107 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3108 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3110 2006-05-18 Mike Stump <mrs@apple.com>
3112 Fix up vla, vm and [*] sematics.
3114 PR c/18740
3115 PR c/7948
3116 PR c/25802
3117 PR c/27673
3118 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3119 (c_vla_unspec_p): Add.
3120 (c_vla_type_p): Add.
3121 * c-decl.c (struct c_scope): Add had_vla_unspec.
3122 (build_array_declarator): Add support for [*].
3123 (grokdeclarator): Likewise.
3124 (grokparms): Likewise.
3125 (get_parm_info): Likewise.
3126 * c-objc-common.c (c_vla_unspec_p): Likewise.
3127 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3128 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3129 typeof when argument is a variably modified type not inside sizeof or alignof.
3130 (c_parser_direct_declarator_inner): Propagate errors.
3131 (c_parser_sizeof_expression): Add support for [*].
3132 (c_parser_parms_declarator): Initialize had_vla_unspec.
3133 (c_parser_parms_list_declarator): Likewise.
3134 * c-typeck.c (c_vla_type_p): Add.
3135 (composite_type): Add support for vla compositing.
3136 (comptypes_internal): Add support for vla compatibility.
3137 (c_expr_sizeof_expr): Evaluate vla arguments.
3138 * tree.c (variably_modified_type_p): Update comment for [*].
3140 2006-05-18 Michael Matz <matz@suse.de>
3142 PR target/27599
3143 * config.host: Make assignments to host_xmake_file cumulative.
3144 * config.host (*-darwin*): Test $host, not $target.
3146 2006-05-12 Stuart Hastings <stuart@apple.com>
3148 * config/i386/i386.opt (-mstackrealign): New flag.
3149 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3150 (ix86_handle_cconv_attribute): Emit error when
3151 force_align_arg_pointer attribute collides with too many regparms.
3152 (ix86_function_regparm): Limit regparms when used with
3153 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3154 Support stack-realigning prologue in non-main functions. Emit
3155 warning for nested functions under -mstackrealign, emit error for
3156 nested functions with force_align_arg_pointer attribute.
3157 * doc/extend.texi (force_align_arg_pointer): Document it.
3158 * doc/invoke.texi (-mstackrealign): Document it.
3160 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3162 PR rtl-optimization/27477
3163 * combine.c (try_combine): Don't split a parallel consisting
3164 of two sets into two individual sets if both sets reference
3165 cc0.
3167 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3169 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3170 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3172 * doc/options.texi (VarExists): Updated.
3174 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3176 * unwind-dw2.c: Add declarations for uw_update_context and
3177 uw_frame_state_for.
3178 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3179 detected, advance frame state and context once to skip over stub.
3181 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3183 PR middle-end/20256
3184 PR middle-end/26435
3185 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3186 Call rewrite_into_loop_closed_ssa only when something changed.
3187 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3188 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3189 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3190 Test for perfect_nest_p here. Fix formating.
3191 (replace_uses_equiv_to_x_with_y): Fix formating.
3192 (stmt_uses_op): Removed.
3193 (can_convert_to_perfect_nest): Removed loopivs parameter.
3194 Complete the test by checking the scalar dependences.
3195 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3196 Fix formating.
3198 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3200 PR bootstrap/22541
3201 From Dan Kegel <dank@kegel.com>:
3202 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3204 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3206 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3207 if the element type is variably modified without recursing.
3209 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3211 PR middle-end/27332
3212 * tree-loop-linear.c (try_interchange_loops): Test for
3213 no data dependences.
3215 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3217 PR tree-optimization/27548
3218 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3219 range of ssa names that appear on abnormal edges.
3220 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3221 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3223 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3225 PR middle-end/27620
3226 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3228 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3230 PR middle-end/27415
3231 * tree.h (OMP_PARALLEL_COMBINED): Define.
3232 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3233 (new_omp_context): Add is_combined_parallel argument.
3234 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3235 new_omp_context caller.
3236 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3237 Adjust gimplify_scan_omp_clauses callers.
3238 (omp_is_private): Issue errors if iteration variable is firstprivate
3239 or reduction in the current context.
3240 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3241 on combined parallel workshare constructs.
3243 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3245 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3246 (gcc-options.o): New rule.
3248 * optc-gen.awk: Protect variables for gcc-options.o with
3249 #ifdef GCC_DRIVER/#endif.
3251 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3253 Fix PR tree-optimization/27373
3254 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3255 (forward_propagate_addr_expr): Update call.
3257 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3259 * doc/options.texi: Move the Negative option.
3261 2006-05-16 Richard Guenther <rguenther@suse.de>
3263 PR tree-optimization/22303
3264 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3265 from STRING_CSTs.
3266 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3267 ccp_fold did not simplify the statement.
3269 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3271 PR driver/26885
3272 * Makefile.in (GCC_OBJS): New.
3273 (OBJS-common): Add opts-common.o.
3274 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3275 (cpp$(exeext)): Likewise.
3276 (gcc.o): Also depend on opts.h.
3277 (opts-common.o): New.
3279 * common.opt (gcoff): Add Negative(gdwarf-2).
3280 (gdwarf-2): Add Negative(gstabs).
3281 (gstabs): Add Negative(gstabs+).
3282 (gstabs+): Add Negative(gvms).
3283 (gvms): Add Negative(gxcoff).
3284 (gxcoff): Add Negative(gxcoff+).
3285 (gxcoff+): Add Negative(gcoff).
3286 * config/i386/i386.opt (m32): Add Negative(m64).
3287 (m64): Add Negative(m32).
3289 * doc/options.texi: Document the Negative option.
3291 * gcc.c: Include "opts.h".
3292 (main): Call prune_options after expandargv.
3294 * optc-gen.awk: Generate common declarations for all flag
3295 variables in options.c. Output the neg_index field.
3297 * opts.c (find_opt): Moved to ...
3298 * opts-common.c: Here. New file.
3300 * opts.h (cl_option): Add a neg_index field.
3301 (find_opt): New.
3302 (prune_options): Likewise.
3304 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3306 PR middle-end/27573
3307 * omp-low.c (expand_omp_parallel): Don't assert
3308 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3309 instead search for it.
3311 PR c/27499
3312 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3313 is signed.
3315 2006-05-16 Andreas Schwab <schwab@suse.de>
3317 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3318 defmac.
3320 2006-05-15 Roger Sayle <roger@eyesopen.com>
3322 PR target/26600
3323 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3324 integer constants other than zero are only legitimate on TARGET_64BIT.
3325 <CONST_VECTOR> Only zero vectors are legitimate.
3326 (ix86_cannot_force_const_mem): Integral and vector constants can
3327 always be put in the constant pool.
3329 2006-05-16 DJ Delorie <dj@redhat.com>
3331 * crtstuff.c (__dso_handle): Set section from
3332 TARGET_LBIGCC_SDATA_SECTION if defined.
3333 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3334 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3336 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3338 PR target/27599
3339 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3340 host_xmake_file.
3342 2006-05-16 Ben Elliston <bje@au.ibm.com>
3344 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3346 2006-05-15 Per Bothner <per@bothner.com>
3348 * tree.c: (last_annotated_node): Use source_locus typedef.
3349 This permits bootstrapping with --enable-mapped-location.
3351 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3353 PR tree-optimization/26830
3354 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3355 (info_for_ssa_name, current_info_for_ssa_name_age,
3356 blocks_to_update): New variables.
3357 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3358 (clear_ssa_name_info, initialize_flags_in_bb,
3359 mark_block_for_update): New functions.
3360 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3361 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3362 prepare_def_site_for): Use mark_block_for_update.
3363 (mark_def_interesting): Assert that the processed block is marked in
3364 blocks_to_update. Do not take blocks argument.
3365 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3366 argument.
3367 (rewrite_update_init_block, rewrite_update_stmt): Only process
3368 blocks with statements to rewrite.
3369 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3370 (update_ssa): Initialize and free blocks_to_update. Do not
3371 clear flags on statements. Do not use blocks bitmap.
3372 * tree.h (SSA_NAME_AUX): Removed.
3373 (struct tree_ssa_name): Removed aux field.
3374 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3376 2006-05-15 Richard Guenther <rguenther@suse.de>
3378 PR tree-optimization/27603
3379 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3380 Do computations in original type.
3382 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3384 * see.c: Code style changes such as redundant paranthesis,
3385 redundant intialization of local variables etc.
3386 (see_main): Declared now as static.
3387 * doc/invoke.texi: Update that -fsee is not enabled by
3388 default at -O3.
3390 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3392 * omp-low.c (check_omp_nesting_restrictions): New function.
3393 (scan_omp_1): Call it.
3395 PR middle-end/27416
3396 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3397 construct, return *VAR.
3399 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3401 PR rtl-optimization/27406
3402 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3403 edges.
3405 2006-05-14 Roger Sayle <roger@eyesopen.com>
3407 PR rtl-optimization/27538
3408 * combine.c (expand_compound_operation): Call gen_lowpart
3409 before calling simplify_shift_const.
3411 2006-05-14 Roger Sayle <roger@eyesopen.com>
3413 PR rtl-optimization/22563
3414 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3415 a fixed width bitfield, always force the intermediates into psuedos.
3417 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3419 PR 27501
3420 * mkconfig.sh: Use operator = instead of == for test.
3422 2006-05-13 Nick Clifton <nickc@redhat.com>
3424 * dwarf2out.c (dbx_reg_number): Check return value from
3425 LEAF_REG_REMAP and only use it if it is valid.
3426 (multiple_reg_loc_descriptor): Likewise.
3428 2006-05-13 Richard Guenther <rguenther@suse.de>
3430 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3431 host_xmake_file.
3433 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3435 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3436 information attached to non-INSNs such as NOTEs.
3437 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3439 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3441 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3442 On contraint.
3443 * config/s390/s390.md: Adjust comment describing On constraint.
3445 2006-05-11 Jan Hubicka <jh@suse.cz>
3447 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3448 to be output at -O0.
3450 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3452 PR middle-end/27384
3453 * fold-const.c (size_binop): Move sanity check for arguments to
3454 the beginning of the function.
3456 PR middle-end/27488
3457 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3458 expression.
3460 2006-05-11 Richard Guenther <rguenther@suse.de>
3462 PR middle-end/27529
3463 * fold-const.c (fold_unary): Handle intermediate conversion
3464 to a pointer type like intermediate conversion to an integer
3465 type in folding of (T1)(T2)var to var.
3466 Match the code to the comment in the final conversion for
3467 (T1)(T2)var to (T1)var regarding to type precision. Rather
3468 than disallow T1 being of pointer type, assert that both T1
3469 and var are of pointer type or not. Make sure not to fall
3470 over the frontends lazyness wrt array to pointer decay though.
3472 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3474 * arm.c (arm_struct_value_rtx): Delete.
3475 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3476 (arm_init_cumulative_args): Always initialize nregs to zero.
3478 2006-05-10 Richard Guenther <rguenther@suse.de>
3480 PR tree-optimization/27532
3481 * tree-object-size.c (plus_expr_object_size): Fix typo.
3483 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3485 PR target/24949
3486 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3487 ashrdi_const, ashrdi3): Use a scratch register.
3489 2006-05-10 Richard Guenther <rguenther@suse.de>
3491 PR tree-optimization/27302
3492 * fold-const.c (operand_equal_p): For two comparisons,
3493 try comparison of one comparison code swapped if that yields
3494 the same code.
3496 2006-05-10 Ben Elliston <bje@au.ibm.com>
3498 * tree-pretty-print.c (pretty_print_string): No need to handle
3499 '\0' as a special character.
3501 * tree.h: Include "hashtab.h".
3502 (iterative_hash_expr): Use hashval_t in its prototype.
3503 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3505 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3507 PR bootstrap/26872
3508 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3509 (hppa*64*-*-hpux11*): Ditto.
3510 (hppa[12]*-*-hpux11*): Ditto.
3512 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3514 PR target/26545
3515 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3517 2006-05-09 Michael Matz <matz@suse.de>
3519 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3520 host_extra_gcc_objs and host_xmake_file.
3521 (<*-*-linux*>): Don't overwrite host_xmake_file.
3522 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3523 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3524 (host_detect_local_cpu): Declare.
3525 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3526 * config/i386/i386.c (override_options): Handle -mtune=native
3527 as -mtune=generic.
3528 * config/i386/x-i386: New file.
3529 * config/i386/driver-i386.c: New file.
3530 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3531 cpu-type "native".
3533 2006-05-09 Dirk Mueller <dmueller@suse.de>
3534 Richard Guenther <rguenther@suse.de>
3536 PR middle-end/27498
3537 * fold-const.c (fold_read_from_constant_string): Relax check
3538 for matching types to matching modes.
3540 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3542 PR rtl-optimization/27335
3543 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3544 loops.
3546 2006-05-08 Chao-ying Fu <fu@mips.com>
3547 Richard Sandiford <richard@codesourcery.com>
3549 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3550 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3551 * config/mips/mips.md (UNSPEC_SCC): New constant.
3552 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3553 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3554 (mips_emit_compare): Use it.
3555 (mips_expand_vcondv2sf): New function.
3557 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3559 Fix PR tree-optimization/27093
3560 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3561 renaming when they become not-used_alone.
3563 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3565 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3566 relocation and relocation stubs.
3568 2006-05-08 Eric Christopher <echristo@apple.com>
3570 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3571 section for ppc.
3573 2006-05-08 Jan Hubicka <jh@suse.cz>
3575 PR middle-end/24561
3576 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3577 unused static functions are needed.
3579 2006-05-08 Roger Sayle <roger@eyesopen.com>
3581 PR target/27158
3582 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3583 of a reg_equiv_constant if the result is a legitimate constant.
3585 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3587 PR target/27277
3588 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3589 standard 80387 constants, raise the cost to prevent
3590 compress_float_constant() to generate load from memory.
3592 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3594 * config/arm/constraints.md (c): Fix a typo.
3596 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3597 typos.
3599 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3601 PR target/24879
3602 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3603 inline function.
3604 (_mm_mwait): Likewise.
3606 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3607 "mwait".
3608 (sse3_monitor): Make it 32bit only.
3609 (sse3_monitor64): New. 64bit monitor.
3611 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3613 PR target/27421
3614 * config/i386/i386.c (classify_argument): Skip fields with invalid
3615 types.
3617 2006-05-07 Richard Guenther <rguenther@suse.de>
3619 PR tree-optimization/27409
3620 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3621 Do not try to find zero-sized subvars.
3623 2006-05-07 Richard Guenther <rguenther@suse.de>
3625 PR tree-optimization/27136
3626 * tree-ssa-loop-niter.c (get_val_for): Correct function
3627 comment, assert requirements.
3628 (loop_niter_by_eval): Stop processing if the iterated
3629 value did not simplify.
3631 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3633 * opts.c (flag_see): remove its setting at -O3.
3635 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3637 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3638 * arm/constraints.md: New file.
3639 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3640 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3641 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3642 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3643 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3644 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3645 * arm.md: Include constraints.md.
3646 (thumb_movsi_insn): Use satisfies_constraint_J.
3647 (movhi, movqi): Use satisfies_constraint_I.
3649 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3651 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3652 for atmeg a645 device.
3654 2006-05-06 Richard Guenther <rguenther@suse.de>
3656 PR tree-optimization/27151
3657 * tree-vect-transform.c (vectorizable_condition): Punt on
3658 values that have a different type than the condition.
3660 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3662 PR/21391
3663 * c-parser.c (c_parser_cast_expression): Only insert casts into
3664 hash table if pointer.
3665 * function.c (used_types_insert_helper): Rename from
3666 used_types_insert.
3667 (used_types_insert): Call used_types_insert_helper.
3668 * function.h (used_types_insert): Accept only one argument.
3670 2006-05-05 David Edelsohn <edesohn@gnu.org>
3672 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3673 scratch with output modifier.
3675 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3677 PR target/26481
3678 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3679 with output modifier.
3681 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3683 PR target/26765
3684 * config/mips/mips.c (mips_symbolic_address_p): Return true
3685 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3686 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3688 2006-05-04 Richard Guenther <rguenther@suse.de>
3690 PR tree-optimization/14287
3691 PR tree-optimization/14844
3692 PR tree-optimization/19792
3693 PR tree-optimization/21608
3694 PR tree-optimization/27090
3695 * tree-ssa-pre.c (try_combine_conversion): New function.
3696 (compute_avail): After constructing the value-handle
3697 expression, use try_combine_conversion to combine NOP_EXPRs
3698 with previous value-handle expressions and use the result if it
3699 is available.
3701 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3703 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3705 2006-05-04 Jan Hubicka <jh@suse.cz>
3707 PR middle-end/25962
3708 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3710 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3712 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3713 that this only matches CONST_INTs. All users changed to VOIDmode
3714 operands.
3716 * config/bfin/bfin.c: Include "optabs.h".
3717 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3718 to do more work.
3719 (enum bfin_builtins): Add a number of fractional and vector builtins.
3720 (bfin_init_builtins): Likewise.
3721 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3722 (safe_vector_operand, bfin_expand_binop_builtin,
3723 bfin_expand_unop_builtin): New functions.
3724 (bfin_expand_builtin): Handle the new builtins.
3725 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3726 __ADSPBLACKFIN__.
3728 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3730 * see.c: New file.
3731 * Makefile.in (OBJS-common): Add see.o.
3732 (see.o): Add dependencies.
3733 * common.opt (fsee): New flag for the see optimization was added.
3734 * opts.c (flag_see): Initialized.
3735 * passes.c (init_optimization_passes, pass_see): New pass.
3736 * rtl.h (see_main): Declaration as extern.
3737 * timevar.def (TV_SEE): New.
3738 * tree-pass.h (pass_see): Declaration as extern.
3739 * invoke.texi (-fsee): Document.
3740 * recog.c (validate_simplify_insn): New function.
3741 * recog.h (validate_simplify_insn): Declaration as extern.
3742 * df-problems.c (df_chain_dump): Check for NULL.
3744 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3745 Daniel Berlin <dberlin@dberlin.org>
3747 * cfgrtl.c (insert_insn_bb_end_new): New function.
3748 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3750 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3752 * df.h (struct web_entry): Moved from web.c.
3753 (union_defs): Declaration as extern.
3754 (unionfind_root): Likewise.
3755 (unionfind_union): Likewise.
3756 * web.c (struct web_entry): Moved to df.h.
3757 (unionfind_root): Remove static declaration.
3758 (unionfind_union): Likewise.
3759 (union_defs): Likewise and generalize to use callback function.
3760 (web_main): Update arguments for union_defs function call.
3762 2006-05-04 Richard Guenther <rguenther@suse.de>
3764 PR tree-optimization/26447
3765 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3766 produce SSA_NAME copies before the store stmt to avoid
3767 breaking exception handling.
3769 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3771 PR middle-end/27388
3772 * gimplify.c (omp_is_private): If var is shared in some outer context,
3773 return false instead of true. Stop searching on parallel context
3774 boundary.
3776 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3778 PR java/8260
3779 * coverage.c: Use get_gcov_unsigned_t() instead of
3780 unsigned_type_node all over.
3782 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3784 PR tree-optimization/27381
3785 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3786 maintain the same immediate_use links.
3787 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3788 node rather than segfaulting.
3790 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3792 PR fortran/27395
3793 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3794 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3795 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3797 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3799 Fix PR tree-optimization/26626
3800 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3801 always.
3802 * tree-ssa-operands.c (access_can_touch_variable): Allow
3803 typecasting through union pointers.
3805 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3807 PR c++/26943
3808 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3809 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3810 to find if var will be a global variable even in the nested context.
3811 (omp_copy_decl): Only check for global variable at the end, it might
3812 be overridden in outer contexts.
3813 (scan_sharing_clauses): For global variables don't create a field.
3814 (lower_rec_input_clauses): Do nothing for global shared variables.
3815 Emit a barrier at the end of ILIST if there were any decls in both
3816 firstprivate and lastprivate clauses.
3817 (lower_send_clauses): Do nothing for global variables except for
3818 COPYIN.
3820 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
3822 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
3823 of the correct signedness is returned.
3825 2006-05-02 Jeff Law <law@redhat.com>
3827 PR tree-optimization/27364
3828 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
3829 multiply expressions.
3831 2006-05-02 Tom Tromey <tromey@redhat.com>
3833 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
3835 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
3837 PR target/27387
3838 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
3839 -mthumb -fPIC are used.
3841 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
3842 Joshua Kinard <kumba@gentoo.org>
3844 PR target/25871
3845 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
3846 with 64-bit pointers.
3848 2006-05-02 Paul Brook <paul@codesourcery.com>
3850 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
3851 and pool overlap.
3852 (create_fix_barrier): Check that a suitable barrier location is
3853 found.
3854 (arm_reorg): Include ftmp->address in allowable range of addresses.
3856 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
3858 PR ada/27366
3859 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
3860 on Cygwin.
3862 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3864 PR middle-end/27337
3865 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
3866 around RESULT_DECL for result passed by reference.
3867 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
3868 * omp-low.c (use_pointer_for_field): Don't look at
3869 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
3870 (scan_omp_1): Call remap_decl on RESULT_DECLs.
3871 (lower_rec_input_clauses): Don't allocate VLA memory for the second
3872 time or var for passing by reference for
3873 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
3874 TREE_ADDRESSABLE variables when passing by reference.
3876 * omp-low.c (dump_omp_region): Fix output formatting.
3878 PR middle-end/27328
3879 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
3880 (expand_omp_parallel): Likewise.
3881 * tree-cfg.c (move_sese_region_to_fn): Likewise.
3883 PR middle-end/27325
3884 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
3885 on statement list containing also constructors and destructors.
3886 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
3888 PR middle-end/27310
3889 * except.c (duplicate_eh_regions): Fix clearing of
3890 cfun->eh->region_array entries.
3892 2006-05-01 DJ Delorie <dj@redhat.com>
3894 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
3895 build!=host.
3896 (gcc_cv_objdump): Likewise.
3897 * configure: Regenerated.
3899 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
3901 PR target/27374
3902 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
3903 templates for case 3 and 4.
3905 2006-05-01 DJ Delorie <dj@redhat.com>
3907 * vec.c: Include bconfig.h when appropriate.
3908 * Makefile.in (build/vec.o): Adjust dependencies.
3909 * mkconfig.sh: Make sure config.h isn't used for build machine
3910 compiles.
3912 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3914 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
3915 variables.
3916 (mark_phi_for_rewrite): New function.
3917 (insert_phi_nodes_for, mark_use_interesting): Call
3918 mark_phi_for_rewrite.
3919 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
3920 (update_ssa): Initialize and free phis_to_rewrite.
3922 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3924 PR rtl-optimization/27291
3925 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
3926 folded to a constant.
3928 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3930 PR tree-optimization/27283
3931 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
3932 not whole # of iteration descriptions.
3933 (niter_for_exit): Return just # of iterations. Fail if # of iterations
3934 uses abnormal ssa name.
3935 (niter_for_single_dom_exit): Ditto.
3936 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
3937 return just the number of iterations.
3939 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3941 PR tree-optimization/27144
3942 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
3943 (record_estimate): Only record constant upper bound.
3944 (infer_loop_bounds_from_undefined): Call
3945 compute_estimated_nb_iterations just once.
3946 (proved_non_wrapping_p): Renamed to ...
3947 (n_of_executions_at_most): ... this. Expect bound to be a constant.
3948 (convert_step_widening, scev_probably_wraps_p): Call
3949 n_of_executions_at_most instead of proved_non_wrapping_p.
3950 (substitute_in_loop_info): Do not replace values in bounds.
3951 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
3952 comments.
3954 2006-05-01 Richard Henderson <rth@redhat.com>
3956 PR c/27358
3957 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
3958 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
3959 CPP_PRAGMA.
3961 2006-05-01 Roger Sayle <roger@eyesopen.com>
3963 * c-typeck.c (parser_build_binary_op): Don't call the function
3964 unsigned_conversion_warning to spot operand/result type overflow.
3965 (build_binary_op): Instead, call convert_and_check instead of
3966 convert to report the problem when the operands are promoted.
3967 * c-common.c (unsigned_conversion_warning): Make static.
3968 * c-common.h (unsigned_conversion_warning): Delete prototype.
3970 2006-05-01 Richard Guenther <rguenther@suse.de>
3972 PR tree-optimization/26726
3973 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
3974 problem ...
3975 (find_interesting_uses_address): ... we work around here
3976 by folding INDIRECT_REFs in the substituted base.
3978 2006-05-01 Diego Novillo <dnovillo@redhat.com>
3980 * omp-low.c (dump_omp_region): Add newlines.
3982 2006-04-30 Roger Sayle <roger@eyesopen.com>
3984 * common.opt (Woverflow): New command line option.
3985 * c-common.c (constant_expression_warning): Check warn_overflow.
3986 (overflow_waring): Pass OPT_Woverflow to warning.
3987 (unsigned_conversion_warning): Likewise.
3988 (convert_and_check): Likewise.
3989 * doc/invoke.texi: Document new command line option.
3991 2006-04-30 David Edelsohn <edelsohn@gnu.org>
3993 * config/rs6000/rs6000.c (rs6000_override_options): Enable
3994 TARGET_NO_FP_IN_TOC for section anchors.
3995 (optimization_options): Enable section anchors for all
3996 non-"Objective" languages.
3998 2006-04-28 Eric Christopher <echristo@apple.com>
4000 * config/darwin-c.c (darwin_ms_struct): Move this
4001 (darwin_set_default_type_attributes): and this...
4002 * config/darwin.c: ... here.
4003 * config/darwin.h (darwin_ms_struct): Declare.
4005 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4007 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4009 2006-04-28 Roger Sayle <roger@eyesopen.com>
4011 PR c/25309
4012 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4013 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4014 an unsigned HOST_WIDE_INT.
4015 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4016 array index.
4017 (really_start_incremental_init): No need to call convert because
4018 bitsize_zero_node is already of type bitsizetype.
4019 (push_init_level): Extract the value of constructor_index as an
4020 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4021 (process_init_element): Likewise.
4023 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4025 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4026 value before passing to make_relative_prefix.
4028 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4030 PR middle-end/27260
4031 * builtins.c (expand_builtin_memset): Expand val in original mode.
4033 2006-04-27 Eric Christopher <echristo@apple.com>
4035 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4036 with #ifndef/#endif.
4037 * config/darwin-c.c (darwin_ms_struct): New.
4038 (darwin_pragma_ms_struct): Ditto.
4039 (darwin_set_default_type_attributes): Ditto.
4040 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4041 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4042 Register ms_struct pragma.
4043 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4044 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4045 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4046 darwin_set_default_type_attributes if TARGET_MACHO.
4048 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4050 PR tree-optimization/26854
4051 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4052 * doc/tree-ssa.texi: Update immuse iterator documentation.
4053 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4054 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4055 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4056 first_safe_imm_use, next_safe_imm_use): Remove.
4057 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4058 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4059 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4060 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4061 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4062 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4063 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4064 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4065 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4066 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4067 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4068 (perfect_nestify): Use new iterator.
4069 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4070 iterator.
4071 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4072 (next_imm_name): New field in struct immediate_use_iterator_d.
4073 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4074 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4075 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4076 * tree-cfg.c (replace_uses_by): Use new iterator.
4077 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4078 * tree-ssa-operands.c (correct_use_link): Remove.
4079 (finalize_ssa_use_ops): No longer call correct_use_link.
4081 2006-04-27 Stuart Hastings <stuart@apple.com>
4083 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4084 * config/t-darwin (crt3.o): Use it.
4085 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4086 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4087 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4088 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4089 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4090 support.
4092 2006-04-27 Roger Sayle <roger@eyesopen.com>
4094 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4095 size, force the intermediate into a new pseudo rather instead of
4096 performing both a bitwise AND and a bitwise IOR in memory.
4098 2006-04-27 Richard Guenther <rguenther@suse.de>
4100 PR rtl-optimization/26685
4101 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4102 this one "max-flow-memory-locations".
4104 2006-04-27 Richard Guenther <rguenther@suse.de>
4106 PR tree-optimization/25148
4107 * tree-vrp.c (compare_values): Remove code dealing with
4108 comparisons against type min/max value. Honour overflow
4109 and negative constants in code dealing with comparisons
4110 of plus and minus expressions.
4111 (value_inside_range): Use fold_binary with LE_EXPR and
4112 GE_EXPR rather than compare_values.
4114 2006-04-27 Dirk Mueller <dmueller@suse.de>
4116 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4117 prototype for SSE.
4119 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4121 * basic-block.h (safe_insert_insn_on_edge): Removed.
4122 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4124 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4125 Paolo Bonzini <bonzini@gnu.org>
4127 PR middle-end/27282
4128 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4129 (simplify_and_const_int): Same.
4131 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4133 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4135 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4137 PR c/26171
4138 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4139 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4140 cgraph_global_info_ready.
4142 PR middle-end/26913
4143 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4145 PR c/25996
4146 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4147 either decl or init is error_mark_node.
4149 PR middle-end/25989
4150 * tree-flow.h (struct omp_region): Add sched_kind.
4151 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4152 instead of extracting omp for data.
4153 (expand_omp_for): Save extracted sched_kind.
4155 2006-04-25 Roger Sayle <roger@eyesopen.com>
4157 * expmed.c (store_bit_field): Also check whether the bitsize is
4158 valid for the machine's "insv" instruction before moving the
4159 target into a pseudo for use with the insv.
4160 * config/i386/predicates.md (const8_operand): New predicate.
4161 * config/i386/i386.md (extv, extzv, insv): Use the new
4162 const8_operand predicate where appropriate.
4164 2006-04-25 DJ Delorie <dj@redhat.com>
4166 * doc/install.texi (Specific): Clarify that this is not a list of
4167 supported hosts or targets.
4169 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4171 PR rtl-optimization/26725
4172 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4173 block's BB_DIRTY flag.
4175 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4177 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4178 are no branches.
4180 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4181 to print an integer.
4183 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4185 * varasm.c (align_variable): New function.
4186 (get_block_for_decl): Apply align_variable to DECL before
4187 calculating section information.
4188 (assemble_variable): Split out alignment computation.
4190 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4192 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4193 machines.
4195 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4197 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4198 MODE_PARTIAL_INT mode.
4199 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4200 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4201 for CONST_INTs.
4202 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4203 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4204 V2PDImode.
4205 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4206 New predicates.
4207 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4208 New constants.
4209 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4210 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4211 MACFLAG_IH): Likewise.
4212 (movstricthi_1): Renamed from "*movstricthi".
4213 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4214 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4215 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4216 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4217 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4218 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4219 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4220 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4221 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4222 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4223 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4224 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4225 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4226 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4227 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4229 * doc/rtl.texi (ss_ashift): Improve wording.
4231 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4233 * dwarf2out.c (verify_marks_clear): New.
4234 (prune_unused_types): Call verify_marks_clear initially, not
4235 prune_unmark_dies.
4237 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4239 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4240 * doc/rtl.texi: Document them.
4241 * simplify-rtx.c (simplify_unary_operation,
4242 simplify_binary_operation_1): Don't abort when we see them.
4244 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4246 Revert:
4247 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4248 * configure.ac: Completely disregard languages that are not
4249 enabled.
4250 * configure: Regenerated.
4252 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4253 Richard Guenther <rguenther@suse.de>
4255 PR tree-optimization/27236
4256 * tree-inline.c (copy_body_r): Make sure to copy
4257 TREE_THIS_VOLATILE flag.
4259 2006-04-24 Richard Guenther <rguenther@suse.de>
4261 PR middle-end/26869
4262 * tree-complex.c (update_parameter_components): Don't handle
4263 unused parameters which have no default def.
4265 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4266 Richard Guenther <rguenther@suse.de>
4268 PR tree-optimization/27218
4269 * tree-inline.c (expand_call_inline): Strip useless type
4270 conversions for the return slot address.
4272 2006-04-24 Richard Guenther <rguenther@suse.de>
4274 * cfgloop.h (struct loops): Remove unused field array. Reorder
4275 state after num.
4276 (LOOP_PREFETCH): Remove.
4278 2006-04-24 Richard Guenther <rguenther@suse.de>
4280 PR tree-optimization/22525
4281 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4282 variable, adjust types of generated expressions.
4284 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4286 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4287 (tree-vect-patterns.o): Likewise.
4288 (jump.o): Likewise.
4289 (cselib.o): Likewise.
4290 (loop-doloop.o): Likewise.
4291 (regclass.o): Likewise.
4292 (reload1.o): Likewise.
4293 (explow.o): Replace target.h with $(TARGET_H).
4294 (ipa-prop.o): Likewise.
4295 (ipa-cp.o): Likewise.
4296 (ipa-inline.o): Likewise.
4297 (reorg.o): Likewise.
4298 (reg-stack.o): Likewise.
4300 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4302 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4304 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4306 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4308 * configure.ac: Completely disregard languages that are not
4309 enabled.
4310 * configure: Regenerated.
4312 PR c++/26534
4313 * c-common.h (c_build_bitfield_integer_type): Declare.
4314 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4315 * c-common.c (c_build_bitfield_integer_type): ... here.
4317 2006-04-23 Roger Sayle <roger@eyesopen.com>
4319 PR target/21283
4320 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4321 a SImode SUBREG of a floating point register after no_new_pseudos.
4323 2006-04-23 Roger Sayle <roger@eyesopen.com>
4325 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4326 identify potentially eliminable registers to additionally catch
4327 VIRTUAL_INCOMING_ARGS_REGNUM.
4328 (addsi3): Update the conditions on when to use addsi_small_int.
4330 2006-04-23 Roger Sayle <roger@eyesopen.com>
4332 PR target/16641
4333 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4334 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4335 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4337 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4339 * fold-const.c (range_predecessor): Use operand_equal_p
4340 as the predicate for equality.
4341 (range_successor): Likewise.
4343 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4345 Revert:
4346 * config/soft-fp/op-common.h: Fix a typo.
4348 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4350 PR libmudflap/26864
4351 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4352 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4354 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4356 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4357 Fix comment typos.
4358 * doc/tm.texi: Fix a typo.
4360 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4362 * dwarf2out.c (struct die_struct): Document that die_sib makes
4363 a circular linked list.
4364 (FOR_EACH_CHILD): New.
4365 (reverse_die_lists): Delete.
4366 (reverse_all_dies): Delete.
4367 (add_dwarf_attr): Correct documentation.
4368 (remove_child_with_prev): New.
4369 (remove_child_TAG): Update for change to die_struct, use
4370 remove_child_with_prev.
4371 (add_child_die): Update for change to die_struct.
4372 (splice_child_die): Use remove_child_with_prev and add_child_die.
4373 (print_die): Use FOR_EACH_CHILD.
4374 (die_checksum): Likewise.
4375 (assign_symbol_names): Likewise.
4376 (output_location_lists): Likewise.
4377 (build_abbrev_table): Likewise.
4378 (calc_die_sizes): Likewise.
4379 (mark_dies): Likewise.
4380 (unmark_dies): Likewise.
4381 (unmark_all_dies): Likewise.
4382 (output_die): Likewise.
4383 (prune_unused_types_mark): Likewise.
4384 (prune_unused_types_walk): Likewise.
4385 (same_die_p): Update for change to die_struct.
4386 (break_out_includes): Likewise.
4387 (prune_unused_types_prune): Likewise.
4388 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4389 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4390 it's already clear.
4391 (dwarf2out_finish): Don't call reverse_all_dies.
4393 2006-04-21 Eric Christopher <echristo@apple.com>
4395 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4396 in comments and function names.
4398 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4400 PR c/25875
4401 * c-typeck.c (digest_init): Robustify.
4403 * c-typeck.c (pop_init_level): Simplify.
4405 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4407 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4409 2006-04-21 Paul Brook <paul@codesourcery.com>
4411 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4412 hardware floating point.
4414 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4416 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4417 NON_FLOAT_REGS.
4419 2006-04-21 Nick Clifton <nickc@redhat.com>
4421 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4422 OPT_EXTRA_PARTS.
4424 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4426 PR target/27230
4427 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4428 C++ lang type in traceback table for Objective-C++.
4430 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4432 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4434 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4436 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4438 PR mudflap/26789
4439 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4440 were errors. Remove check for erroneous objects.
4442 2006-04-20 Jeff Law <law@redhat.com>
4444 PR tree-optimization/26854
4445 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4446 checking for zero or one use.
4447 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4448 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4449 * tree-ssa-reassoc.c (negate_value): Similarly.
4450 (reassociate_bb): Similarly.
4452 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4454 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4455 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4456 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4458 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4460 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4461 fp regs if the last fp arg doesn't fit in regs.
4463 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4465 PR target/27182
4466 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4467 that the last insn has the REG_INC note.
4469 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4470 Nathan Sidwell <nathan@codesourcery.com>
4472 PR c/26774
4473 * stor-layout.c (update_alignment_for_field): Do not align
4474 ERROR_MARK nodes.
4475 (place_union_field): Place union field at the start of the union.
4476 (place_field): Move ERROR_MARK check later, and use the current
4477 allocation position to maintain monotonicity.
4479 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4481 * dominance.c: Include timevar.h.
4482 (calculate_dominance_info): Use TV_DOMINANCE.
4483 * timevar.def (TV_DOMINANCE): New timevar.
4484 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4486 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4488 PR rtl-optimization/14261
4489 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4490 move would be an INSV insn.
4491 (noce_process_if_block): Don't optimize if the destination is a
4492 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4494 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4496 * config/s390/s390.md: Add comments with the instructions emitted
4497 by an insn pattern if macros are used.
4499 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4501 PR rtl-optimization/26026
4502 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4503 is a known power of two shifted left a variable amount.
4505 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4507 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4508 to hash table twice when the debug_str section has SECTION_MERGE.
4510 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4512 * config/soft-fp: New directory. From glibc.
4513 * config/soft-fp/t-softfp: New.
4514 * config/soft-fp/README: New.
4515 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4516 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4517 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4518 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4519 * config.gcc: Use rs6000/t-fprules-fpbit or
4520 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4521 rs6000/t-fprules.
4522 * config/rs6000/sfp-machine.h: New. Based on glibc.
4523 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4524 New.
4525 * config/rs6000/t-fprules: Remove fp-bit rules.
4526 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4527 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4528 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4529 (softfp_wrap_start, softfp_wrap_end): New.
4531 2006-04-18 DJ Delorie <dj@redhat.com>
4533 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4535 2006-04-18 Devang Patel <dpatel@apple.com>
4537 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4539 2006-04-18 Nick Clifton <nickc@redhat.com>
4541 * config/sh/t-symbian: Add rule to build sh-c.o
4542 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4543 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4544 (sh_symbian_encode_section_info): Likewise.
4546 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4548 * builtins.c (expand_builtin_strcmp): Cover label definition of
4549 do_libcall with HAVE_cmpstrnsi.
4551 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4553 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4554 instead of VARRAY.
4555 * function.h (temp_slot_p): New.
4556 (function): Change the type of x_used_temp_slots to
4557 VEC(temp_slot_p,gc) *.
4559 2006-04-18 Nick Clifton <nickc@redhat.com>
4561 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4562 flag_strength_reduce.
4564 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4566 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4568 PR target/27117
4570 Partial revert of revision 112637
4571 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4572 Dale Johannesen <dalej@apple.com>
4574 PR target/19653
4575 * regclass.c (struct reg_pref): Update documentation.
4576 (regclass): Set prefclass to NO_REGS if memory is the best option.
4577 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4579 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4581 PR tree-optimization/26821
4582 * tree-ssa-math-opts.c (get_constant_one): New.
4583 (insert_reciprocals): Use it.
4585 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4587 * dwarf2out.c (free_AT): Delete.
4588 (remove_AT): Update string ref counts.
4589 (remove_child_TAG): Don't call free_die.
4590 (free_die): Delete.
4591 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4592 or DW_TAG_GNU_EINCL.
4593 (prune_unused_types_walk_attribs): Reset string refcounts.
4594 (prune_unused_types_update_strings): New.
4595 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4596 call free_die. Do call prune_unused_types_update_strings.
4597 (prune_unused_types): Empty debug_str_hash.
4599 2006-04-17 Roger Sayle <roger@eyesopen.com>
4601 * expr.c (expand_assignment): Optimize away no-op moves where the
4602 source and destination are equal and have no side-effects.
4604 2006-04-17 Richard Guenther <rguenther@suse.de>
4606 PR target/26826
4607 * reload.c (push_reload): Guard calls to get_secondary_mem
4608 for memory subregs.
4610 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4612 * alias.c (reg_base_value, old_reg_base_value): Change the
4613 type to VEC(rtx,gc) *.
4614 (REG_BASE_VALUE, find_base_value, record_set,
4615 init_alias_analysis): Use VEC instead of VARRAY.
4617 * alias.c (alias_sets): Change the type to
4618 VEC(alias_set_entry,gc) *.
4619 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4620 VEC instead of VARRAY.
4621 (last_alias_set): Remove.
4623 * cgraph.h (cgraph_edge_p): New.
4624 Update the prototype of cgraph_function_versioning.
4625 * cgraphunit.c (cgraph_copy_node_for_versioning,
4626 cgraph_function_versioning): Use VEC instead of VARRAY.
4627 * ipa-cp.c (ipcp_insert_stage): Likewise.
4629 2006-04-16 Roger Sayle <roger@eyesopen.com>
4631 PR target/26961
4632 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4633 "A op B" or "A op C", we may need to convert A to the type of B and C.
4635 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4637 * target.h (struct gcc_target): Add mode_rep_extended.
4638 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4639 (init_num_sign_bit_copies_in_rep): Initialize it using
4640 mode_rep_extended.
4641 (truncate_to_mode): Use it.
4642 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4643 * targhooks.h (default_mode_rep_extended): Declare it.
4644 * targhooks.c (default_mode_rep_extended): Define it.
4645 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4646 default_mode_rep_extended.
4647 (TARGET_INITIALIZER): Include it.
4648 * doc/tm.texi (Misc): Document it.
4649 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4650 (mips_truncated_to_mode): New function.
4652 2006-04-16 Roger Sayle <roger@eyesopen.com>
4654 PR middle-end/25474
4655 * expr.c (compress_float_constant): Copy the narrow constant into
4656 a new pseudo before extending it to its final width.
4658 2006-04-16 Roger Sayle <roger@eyesopen.com>
4659 Andrew Pinski <pinskia@gcc.gnu.org>
4660 Dale Johannesen <dalej@apple.com>
4662 PR target/24076
4663 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4664 special case code to implement V8HImode and V16QImode with SSE2.
4666 2006-04-15 Roger Sayle <roger@eyesopen.com>
4668 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4669 trees are constructed with a suitable tree type.
4671 2006-04-15 Roger Sayle <roger@eyesopen.com>
4673 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4674 (integer_onep): Likewise.
4675 (integer_all_onesp): Likewise.
4676 (integer_pow2p): Likewise.
4677 (integer_nonzerop): Likewise.
4678 (real_zerop): Likewise.
4679 (real_onep): Likewise.
4680 (real_twop): Likewise.
4681 (real_minus_onep): Likewise.
4682 (int_size_in_bytes): Likewise.
4683 (host_integerp): Likewise.
4685 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4687 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4688 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4689 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4691 * tree-ssa-structalias.h (alias_info): Remove num_references.
4693 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4695 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4696 (output_bvb patterns): Likewise.
4697 * pa.c (output_bb): Use 'bb' insn for long branch case.
4698 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4699 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4700 1. Correct length operand for alternatives 1 and 2.
4701 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4702 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4704 2006-04-14 Roger Sayle <roger@eyesopen.com>
4706 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4707 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4708 were accidentally reverted by r112959.
4710 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4712 PR middle-end/26823
4713 * except.h (eh_region_outermost): New prototype.
4714 * except.c (eh_region_outermost): New function.
4715 * tree-cfg.c (find_outermost_region_in_block): Use it.
4717 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4719 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4720 of VARRAY.
4721 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4722 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4723 (init_reload, reload): Use VEC instead of VARRAY.
4724 * reload.h: Update the prototype for
4725 reg_equiv_memory_loc_varray.
4727 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4728 Eric Botcazou <ebotcazou@libertysurf.fr>
4730 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4731 register save area.
4733 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4735 PR middle-end/27134
4736 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4737 to expand fallback builtin function call.
4739 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4741 PR middle-end/27095
4742 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4743 and emit libcall here in case the builtin fails.
4744 (expand_builtin_strcmp): Always emit the libcall here on failure.
4746 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4748 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4749 * flow.c (reg_n_info): Change the type to
4750 VEC(reg_info_p,heap) *.
4751 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4752 instead of VARRAY.
4753 * regs.h (reg_info_p): New.
4754 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4755 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4756 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4757 instead of VARRAY.
4759 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4761 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4762 defaulting to 100.
4763 * params.h (MAX_SCHED_READY_INSNS): New macro.
4764 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4765 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4766 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4767 the ready list for 1 cycle during the first scheduling pass.
4768 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4770 2006-04-13 Richard Henderson <rth@redhat.com>
4772 PR libgomp/26651
4773 * gimple-low.c (lower_omp_directive): Remove dead code.
4774 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4775 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4776 * omp-low.c (struct omp_region): Move to tree-flow.h.
4777 (root_omp_region): Export.
4778 (omp_regions, lookup_omp_region): Remove.
4779 (determine_parallel_type): Update for struct omp_region changes.
4780 (dump_omp_region): Dump regions with block numbers.
4781 (new_omp_region): Take type and block instead of stmt; malloc
4782 instead of ggc.
4783 (free_omp_region_1, free_omp_regions): New.
4784 (expand_parallel_call): Take entry_stmt as argument; update for
4785 changes to omp_region.
4786 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4787 (remove_exit_barriers): New.
4788 (expand_omp_parallel): Update for struct omp_region changes.
4789 (expand_omp_synch): Likewise.
4790 (expand_omp): Likewise.
4791 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4792 (expand_omp_for_static_chunk): Likewise.
4793 (expand_omp_for): Likewise.
4794 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4795 (expand_omp_sections): Similarly, with GOMP_sections_end.
4796 (expand_omp_single): New.
4797 (build_omp_regions_1): Update for OMP_CONTINUE.
4798 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4799 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4800 OMP_SECTIONS_SECTIONS.
4801 (lower_omp_single_simple): Don't emit barrier here.
4802 (lower_omp_single_copy): Likewise.
4803 (lower_omp_single): Fix bindings, and lower to straightline now.
4804 (lower_omp_master, lower_omp_ordered): Likewise.
4805 (lower_omp_critical): Likewise.
4806 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4807 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4808 omp edges, free it afterward.
4809 (make_omp_sections_edges): Remove.
4810 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4811 (move_stmt_r): Handle OMP_CONTINUE.
4812 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4813 statement pointers to basic blocks. Add type member.
4814 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4815 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4816 * tree-inline.c (estimate_num_insns_1): Likewise.
4817 * tree-pretty-print.c (dump_generic_node): Likewise.
4818 * tree-ssa-operands.c (get_expr_operands): Likewise.
4819 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4820 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
4821 (OMP_CONTINUE): New.
4822 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
4823 (OMP_SECTIONS_SECTIONS): Remove.
4824 (OMP_SECTION_LAST): New.
4825 (OMP_RETURN_NOWAIT): New.
4827 2006-04-13 Roger Sayle <roger@eyesopen.com>
4829 * fold-const.c (native_encode_vector, native_interpret_real):
4830 Correct obvious mistakes in the previous check-in.
4832 2006-04-13 Roger Sayle <roger@eyesopen.com>
4834 * fold-const.c (native_encode_expr): New function to encode
4835 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
4836 or VECTOR_CST into a specified buffer.
4837 (native_encode_int): New function.
4838 (native_encode_real): New function.
4839 (native_encode_complex): New function.
4840 (native_encode_vector): New function.
4841 (native_interpret_expr): Inverse of native_encode_expr to convert
4842 a target representation into an INTEGER_CST, REAL_CST etc...
4843 (native_interpret_int): New function.
4844 (native_interpret_real): New function.
4845 (native_interpret_complex): New function.
4846 (native_interpret_vector): New function.
4847 (fold_view_convert_expr): New function to constant fold/evaluate
4848 a VIEW_CONVERT_EXPR of a suitable constant expression.
4849 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
4850 Change call of build1 to fold_build1 when constructing a
4851 VIEW_CONVERT_EXPR.
4853 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
4854 Ulrich Weigand <uweigand@de.ibm.com>
4856 PR target/27006
4857 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
4858 to be even.
4860 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4862 PR target/26459
4863 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
4864 optimize to lo_sum for DFmode if !TARGET_FPRS.
4866 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4868 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
4869 delete_alias_info, compute_flow_sensitive_aliasing,
4870 group_aliases): Use VEC instead of VARRAY.
4871 * tree-ssa-structalias.c (update_alias_info): Likewise.
4872 * tree-ssa-structalias.h (alias_info): Change the type of
4873 processed_ptrs to VEC(tree,heap) *.
4875 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
4877 PR target/27060
4878 * config/sh/lib1funcs.h: New file, broken out of:
4879 * config/sh/lib1funcs.asm.
4880 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
4881 New macros.
4882 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
4883 * config/sh/lib1funcs-Os-4-200.asm: New file.
4884 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
4885 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
4886 (EXTRA_MULTILIB_PARTS): Include it.
4887 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
4888 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
4889 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
4890 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
4891 TARGET_SH2.
4893 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
4895 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4896 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
4897 tpa_compact, root_var_init, type_var_init): Use VEC instead of
4898 VARRAY.
4899 * tree-ssa-live.h: Include vecprim.h.
4900 (tree_partition_associator_d): Change the type of
4901 first_partition to VEC(int,heap) *.
4902 (tpa_first_partition): Use VEC instead of VARRAY.
4904 * Makefile.in (GTFILES): Move functions.h after tree.h.
4905 * function.c (reset_block_changes, record_block_change,
4906 check_block_change, free_block_changes): Use VEC instead of
4907 VARRAY.
4908 * function.h (function): Change the type of
4909 ib_boundaries_block to VEC(tree,gc) *.
4910 * tree-inline.c (copy_cfg_body): Initialize
4911 ib_boundaries_block to NULL instead of (varray_type) 0.
4913 2006-04-12 Roger Sayle <roger@eyesopen.com>
4915 * expr.c (emit_group_store): Correct operand order in call to
4916 subreg_lowpart_offset. Always create paradoxical SUBREGs with
4917 a SUBREG_BYTE of zero.
4919 2006-04-12 Richard Guenther <rguenther@suse.de>
4921 * profile.c (compute_branch_probabilities): Remove code
4922 encapsulated in !ir_type (), which are remanents of the
4923 removed RTL profiling code.
4924 * rtl-profile.c: Remove.
4926 2006-04-12 Alan Modra <amodra@bigpond.net.au>
4928 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
4929 magic NULL_RTX comment.
4930 (function_arg): Store entire fp arg to mem if any part should go
4931 on stack.
4932 (rs6000_arg_partial_bytes): Adjust for above change.
4934 2006-04-11 Roger Sayle <roger@eyesopen.com>
4936 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
4937 if it hasn't been initialized by dwarf2out_init.
4939 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
4941 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
4942 symbolic constants in branch patterns.
4944 2006-04-11 Roger Sayle <roger@eyesopen.com>
4946 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
4948 2006-04-11 Richard Sandiford <richard@codesourcery.com>
4950 PR rtl-optimization/27073
4951 * gcse.c (try_replace_reg): Revert last change. Continue to search
4952 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
4953 on the former.
4955 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4957 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
4958 aggregate types other than record and union types.
4959 (function_arg): Likewise.
4960 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
4961 small arrays.
4962 (function_value): In 64-bit mode, return objects that require it
4963 in FP registers.
4965 2006-04-11 Roger Sayle <roger@eyesopen.com>
4967 * dwarf2out.c (premark_used_types): Remove problematic prototype.
4969 2006-04-11 Jakub Jelinek <jakub@redhat.com>
4971 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
4973 2006-04-03 Jeff Law <law@redhat.com>
4975 PR/27087
4976 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
4977 alias information too.
4979 2006-04-10 Mike Frysinger <vapier@gentoo.org>
4981 * Makefile.in (gcc-cross): Add $(exeext) to target name.
4983 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
4985 PR/21391
4986 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
4987 (premark_used_types_helper): New.
4988 (premark_used_types): New.
4989 (gen_subprogram_die): Call premark_used_types.
4990 (prune_unused_types_walk): Do not prune perennial dies.
4991 * function.c (used_types_insert): New.
4992 * function.h (struct function): Add used_types_hash field.
4993 (used_types_insert): Add prototype.
4994 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
4995 * c-parser.c (c_parser_cast_expression): Save casted types in used
4996 types hash table.
4998 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5000 PR target/26459
5001 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5002 rs6000_explicit_options.float_gprs.
5004 2006-04-10 Roger Sayle <roger@eyesopen.com>
5006 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5007 from ix86_expand_vector_init_low_nonzero. Take an additional
5008 one_var argument indicating which element is non-zero. Support
5009 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5010 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5011 with one_var instead of ix86_expand_vector_init_low_nonzero.
5013 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5015 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5016 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5017 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5018 build/genextract.o): Depend on vecprim.h.
5019 * cfglayout.c, df-problems.c, function.c, genextract.c,
5020 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5021 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5022 vecprim.h.
5023 * vecprim.h: New.
5025 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5027 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5028 Declare VECs of this type.
5029 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5030 (remove_children): Delete.
5031 (add_dwarf_attr): Use VEC routines.
5032 (add_AT_flag): Update for changes to add_dwarf_attr.
5033 (add_AT_int): Likewise.
5034 (add_AT_unsigned): Likewise.
5035 (add_AT_long_long): Likewise.
5036 (add_AT_vec): Likewise.
5037 (add_AT_string): Likewise.
5038 (add_AT_die_ref): Likewise.
5039 (add_AT_fde_ref): Likewise.
5040 (add_AT_loc): Likewise.
5041 (add_AT_loc_list): Likewise.
5042 (add_AT_addr): Likewise.
5043 (add_AT_lbl_id): Likewise.
5044 (add_AT_lineptr): Likewise.
5045 (add_AT_macptr): Likewise.
5046 (add_AT_offset): Likewise.
5047 (add_AT_range_list): Likewise.
5048 (get_AT): Use VEC_iterate.
5049 (remove_AT): Use VEC_ordered_remove.
5050 (free_die): Fold remove_children into here; have it use VEC_iterate.
5051 (print_die): Use VEC_iterate on attrs.
5052 (reverse_die_lists): Don't reverse attr lists.
5053 (die_checksum): Use VEC_iterate on attrs.
5054 (same_die_p): Likewise.
5055 (output_location_lists): Likewise.
5056 (build_abbrev_table): Likewise.
5057 (size_of_die): Likewise.
5058 (unmark_all_dies): Likewise.
5059 (output_abbrev_section): Likewise.
5060 (output_die): Likewise.
5061 (prune_unused_types_walk_attribs): Likewise.
5063 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5065 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5067 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5069 PR debug/27057
5070 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5072 2006-04-09 Roger Sayle <roger@eyesopen.com>
5074 * expr.c (store_constructor): Don't bother clearing target if
5075 we're about to assign a vector to it using vec_init_optab.
5077 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5079 * tree-ssa-alias.c (lhs_may_store_to): New function.
5080 (recalculate_used_alone): Handle LHS of calls.
5082 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5084 PR target/27034
5085 PR target/26508
5086 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5087 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5088 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5089 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5090 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5091 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5092 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5093 stubs. Add ".align 8" directives before all ".dword" directives.
5094 (GTHREAD_USE_WEAK): Revise comment.
5095 (TARGET_ATTRIBUTE_WEAK): Define.
5096 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5097 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5098 * stublib.c: New file.
5100 PR target/26743
5101 PR target/11254
5102 PR target/10274
5103 * pa.md (cbranch patterns): Revise arguments used in calls to
5104 output_cbranch, output_bb and output_bvd. Add long branch length
5105 attributes.
5106 (fbranch patterns): Handle long branches.
5107 (jump): Revise length check. Revise arguments for output_lbranch call.
5108 Add long branch length attributes.
5109 (decrement_and_branch_until_zero): Add long branch length attributes.
5110 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5111 Likewise. Revise arguments for output_parallel_addb and
5112 output_parallel_movb calls.
5113 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5114 output_parallel_movb and output_parallel_addb): Update prototypes.
5115 * pa.c (output_cbranch): Revise arguments. Correct handling of
5116 nullification in long branches.
5117 (output_lbranch): Add new argument to control extraction of delay
5118 instruction.
5119 (output_bb): Handle long branches.
5120 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5121 output_parallel_addb): Likewise.
5123 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5125 PR rtl-optimization/27073
5126 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5127 not REG_EQUIVs.
5129 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5131 * tree.h (tree_memory_tag): Add old_used_alone.
5132 (SMT_OLD_USED_ALONE): New macro.
5133 * tree-ssa-alias.c (recalculate_used_alone): Stop
5134 marking things for renaming unnecessarily.
5136 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5138 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5139 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5140 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5141 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5142 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5143 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5144 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5145 spelling convensions.
5146 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5147 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5148 typos. Follow spelling conventions.
5150 2006-04-07 DJ Delorie <dj@redhat.com>
5152 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5153 passed on the stack.
5154 (m32c_init_cumulative_args): When a function returns a structure,
5155 always pass the pointer to that return area on the stack.
5156 (m32c_function_arg_advance): Don't increment the parameter number
5157 if we're processing the returned structure pointer.
5158 (pushm_info): Reverse order of registers.
5160 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5162 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5163 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5164 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5165 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5166 build_int_cst_type.
5167 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5168 chrec_fold_multiply): Same.
5169 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5170 force_expr_to_var_cost): Same.
5171 * tree-mudflap.c (mf_xform_derefs_1): Same.
5172 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5174 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5176 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5177 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5178 insn.
5180 2006-04-07 Jan Hubicka <jh@suse.cz>
5182 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5184 2006-04-07 Richard Guenther <rguenther@suse.de>
5186 PR tree-optimization/26135
5187 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5188 loads for store copy-prop.
5189 (copy_prop_visit_stmt): Likewise.
5191 2006-04-05 Robert Millan <robertmh@gnu.org>
5193 * config/i386/linux.h: Add a comment to mark macros that are
5194 being overriden in config/k*bsd-gnu.h.
5195 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5196 DYNAMIC_LINKER.
5197 * config/knetbsd-gnu.h: Ditto.
5199 2006-04-06 Jan Hubicka <jh@suse.cz>
5201 PR profile/20815
5202 PR profile/26399
5203 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5204 after buffer.
5206 2006-04-06 Mike Stump <mrs@apple.com>
5208 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5209 for HAVE_nonlocal_goto to be consistent.
5210 (expand_builtin_nonlocal_goto): Likewise.
5211 (expand_builtin_strcmp): Use #ifdef instead of #if
5212 for HAVE_cmpstrnsi to be consistent.
5214 2006-04-05 DJ Delorie <dj@redhat.com>
5216 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5217 vs m32c.
5219 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5221 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5222 got-relative addressing for anything but SImode.
5224 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5225 even if the calling function doesn't modify them.
5227 2006-04-05 Richard Guenther <rguenther@suse.de>
5229 PR tree-optimization/26919
5230 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5231 to cgraph_estimate_size_after_inlining.
5233 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5235 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5237 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5239 PR tree-optimization/26996
5240 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5241 VECTOR_TYPE variables.
5243 2006-04-05 Richard Guenther <rguenther@suse.de>
5245 PR tree-optimization/26763
5246 * fold-const.c (fold_comparison): Move folding of
5247 PTR + CST CMP PTR + CST ...
5248 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5250 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5252 * doc/install.texi (Prerequisites): Refine some wording on
5253 bootstrapping and ksh.
5254 Move the version numbers of DejaGnu here from the testing section
5255 and fix casing of names.
5256 Fix markup and clarify wording for autogen requirements.
5257 Refer to GCJ instead of just java.
5258 Refer to SVN instead of CVS.
5259 Describe diffutils as useful instead of necessary.
5260 (Downloading the source): Refer to SVN instead of CVS.
5261 Adjust a link to our web site accordingly.
5262 (Configuration): Fix casing of Bison.
5263 (Building): Refer to SVN instead of CVS.
5264 Fix a sentence on the use of Bison and remove duplicate (and
5265 incorrect) version number of Bison requirement.
5266 Remove one redundant list of packages needed for building.
5267 (Specific): Avoid reference to CVS.
5269 2006-04-04 Eric Christopher <echristo@apple.com>
5271 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5272 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5273 (rs6000_handle_struct_attribute): New.
5274 (rs6000_ms_bitfield_layout_p): Ditto.
5276 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5278 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5279 NULL for dso parameter to atexit_common.
5281 2006-04-04 Eric Christopher <echristo@apple.com>
5283 * config/i386/i386.c (machopic_output_stub): Output \t
5284 between instructions and operands.
5286 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5288 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5289 satisfies_constraint_[IL] to explicit tests on value.
5291 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5293 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5294 set_nb_iterations_in_loop): Use build_int_cst instead of
5295 build_int_cst_type.
5296 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5297 build_int_cst instead of convert.
5299 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5301 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5302 new value 2 for incoming.
5303 * function.c (expand_function_start): Call struct_value_rtx
5304 with incoming as 2.
5305 * config/sparc/sparc.md: Comment updated_return.
5306 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5307 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5308 struct return if sparc_std_struct_return and incoming is 2.
5309 (print_operand): Do not adjust return if
5310 sparc_std_struct_return.
5312 2006-04-04 Roger Sayle <roger@eyesopen.com>
5314 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5315 convert in the middle-end.
5316 * expr.c (store_expr, store_constructor, get_inner_reference,
5317 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5318 Likewise.
5319 * tree.c (build_range_type): Likewise.
5321 2006-04-04 Tom Tromey <tromey@redhat.com>
5323 * doc/install.texi (Prerequisites): Mention jar.
5325 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5327 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5328 subsection.
5330 2006-04-04 Matthias Klose <doko@debian.org>
5332 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5333 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5334 strings.
5336 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5338 * doc/extend.texi (Function Attributes): Rewrite visibility
5339 attribute documentation.
5340 * doc/invoke.texi (C++ Dialect Options): Rewrite
5341 -fvisibility-inlines-hidden documentation to describe something
5342 entirely different, although in practise compatible.
5343 (Code Gen Options): Warn about system headers in -fvisibility=
5344 documentation.
5346 * doc/extend.texi (Other Builtins): Document that
5347 __builtin_nan is a compile-time constant only when its argument
5348 is valid.
5350 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5352 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5353 trying to remove TRUNCATE check if all bits outside the new mode
5354 are identical to the sign bit.
5356 2006-04-03 Jeff Law <law@redhat.com>
5358 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5359 and operand scanning in some common cases.
5361 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5362 Dale Johannesen <dalej@apple.com>
5364 PR target/19653
5365 * regclass.c (struct reg_pref): Update documentation.
5366 (regclass): Set prefclass to NO_REGS if memory is the best option.
5367 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5368 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5369 into account. For non-registers, equate an empty preferred
5370 reload class to a `!' in the constraint; move the if clause to
5371 do so after those that reject the insn.
5372 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5373 return NO_REGS.
5374 (find_dummy_reload): Likewise.
5375 * doc/tm.texi (Register Classes): Document what it means
5376 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5377 * config/i386/i386.c (ix86_preferred_reload_class): Force
5378 using SSE registers (and return NO_REGS for floating-point
5379 constants) if math is done with SSE.
5380 (ix86_preferred_output_reload_class): New.
5381 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5382 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5383 * config/i386/i386.md: Remove # register preferences.
5385 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5387 PR bootstrap/26992
5388 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5389 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5390 the type of nb_iter.
5391 (instantiate_parameters_1): Convert the operands before calling
5392 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5393 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5395 2006-04-02 Roger Sayle <roger@eyesopen.com>
5397 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5398 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5399 instead of convert.
5400 * dojump.c (do_jump): Likewise.
5401 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5402 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5403 gimplify_boolean_expr): Likewise.
5404 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5405 * varasm.c (array_size_for_constructor): Likewise.
5406 * tree-object-size.c (compute_object_offset): Likewise.
5408 2006-04-02 Roger Sayle <roger@eyesopen.com>
5410 PR middle-end/26977
5411 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5412 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5414 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5416 PR tree-optimization/26939
5417 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5419 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5421 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5422 at_stmt. Convert the type of operands before calling
5423 build_polynomial_chrec.
5424 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5425 add_to_evolution_1.
5426 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5427 (instantiate_parameters_1): Convert the type of operands before calling
5428 build_polynomial_chrec.
5429 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5430 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5431 reset_evolution_in_loop): Insert asserts to check the types of the
5432 operands.
5433 (chrec_type): Moved...
5434 (eq_evolutions_p): Use operand_equal_p.
5435 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5436 the types of the operands.
5437 (chrec_type): ...here.
5438 * tree-data-ref.c (create_data_ref): Convert the operands before
5439 calling chrec_replace_initial_condition.
5440 (same_access_functions, analyze_subscript_affine_affine,
5441 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5442 (compute_subscript_distance, analyze_ziv_subscript,
5443 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5444 analyze_miv_subscript): Convert the operands before calling
5445 chrec_fold_minus or chrec_fold_plus.
5447 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5449 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5450 the dependence_relations vector.
5451 (compute_data_dependences_for_loop): Adjust call to
5452 compute_all_dependences.
5454 2006-04-01 Roger Sayle <roger@eyesopen.com>
5455 Richard Henderson <rth@redhat.com>
5457 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5458 gimple_boolify on the condition before calling gimplify_expr.
5460 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5462 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5463 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5464 the frame size. Update to use the new macros.
5465 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5466 * config/xtensa/ieee754-df.S: Likewise.
5468 2006-03-31 Richard Henderson <rth@redhat.com>
5470 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5471 (make_edges): ... here. Control fallthru creation with a local
5472 variable. Do not play with fake edges.
5473 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5474 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5475 a boolean.
5477 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5479 * dwarf2.h (DW64_CIE_ID): Define.
5480 * dwarf2out.c (DWARF_CIE_ID): Define.
5481 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5482 length header. Use DWARF_CIE_ID.
5483 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5484 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5486 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5488 * config/sh/linux-atomic.asm: New file.
5489 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5491 2006-03-31 DJ Delorie <dj@redhat.com>
5493 * config/m32c/cond.md: Set condition flags properly throughout.
5494 * config/m32c/minmax.md: Likewise.
5495 * config/m32c/prologue.md: Likewise.
5496 * config/m32c/bitops.md: Likewise.
5497 * config/m32c/muldiv.md: Likewise.
5498 * config/m32c/mov.md: Likewise.
5499 * config/m32c/addsub.md: Likewise.
5500 * config/m32c/m32c.md: Likewise.
5501 * config/m32c/jump.md: Likewise.
5502 * config/m32c/shift.md: Likewise.
5504 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5505 conditionally output the pattern for this.
5506 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5507 (m32c_compare_redundant): New.
5508 (m32c_output_compare): New.
5509 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5511 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5512 dest, not src. Allow other 4-byte modes.
5514 2006-03-30 Denis Chertykov <denisc@overta.ru>
5516 * doc/md.texi: Refer to avr/constraints.md instead of
5517 avr/avr.h.
5519 2006-03-30 Roger Sayle <roger@eyesopen.com>
5521 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5522 signed vs. unsigned comparison failures on some hosts.
5524 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5526 PR target/26459
5527 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5528 change to FLOAT_REGS.
5530 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5531 (rs6000_override_options): Use it.
5532 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5533 only for -mabi=spe/no-spe and -mabi=altivec.
5535 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5537 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5538 !Zdynamiclib.
5540 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5542 * Makefile.in: Rename docdir to gcc_docdir.
5544 2006-03-30 Roger Sayle <roger@eyesopen.com>
5546 PR target/17959
5547 * expr.c (emit_group_store): Optimize group stores into a pseudo
5548 register by using a paradoxical subreg to initialize the destination
5549 if the first or last member of the group specifies a "low part".
5551 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5553 PR target/26734
5554 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5555 * target.h (struct gcc_target.speculate_insn): Change type of the
5556 second parameter to 'int'.
5557 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5558 the second operand of the DEPS_LIST.
5559 (copy_DEPS_LIST_list): Update reference to the second operand of the
5560 DEPS_LIST.
5561 * rtl.h (alloc_DEPS_LIST): Update signature.
5562 * sched-int.h (ds_t): Change typedef to 'int'.
5563 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5565 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5567 * haifa-sched.c (try_ready): Change condition to restore
5568 non-speculative pattern of the instruction.
5569 (process_insn_depend_be_in_spec): Code to keep probability of the
5570 speculative dependence non-decreasing.
5572 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5574 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5575 (single_move_for_movmem): ... this. Also change all uses.
5576 (bfin_expand_strmov): Renamed to...
5577 (bfin_expand_movmem): ... this. Also change all uses.
5578 * config/bfin/bfin.md (movstrsi): Renamed to...
5579 (movstrsi): ...this.
5581 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5583 PR tree-optimization/26830
5585 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5586 (copy_prop_visit_stmt): Remove write-only variable ann.
5587 (init_copy_prop): Check variable loop depth here. Do not simulate
5588 memory-tag and virtual operand PHIs except for store copy prop.
5590 2006-03-30 Richard Guenther <rguenther@suse.de>
5592 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5593 variants with double arguments.
5595 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5597 * genpreds.c (write_tm_constrs_h): Delete variable p.
5598 * genconditions.c (write_header): Add tm-constrs.h to included
5599 headers.
5600 * genpeep.c (main): Add toplev.h to included headers.
5601 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5602 (build/genpeep.o): Add toplev.h dependency.
5603 * config/rs6000/constraints.md: Add "W" constraint.
5605 2006-03-29 Roger Sayle <roger@eyesopen.com>
5607 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5608 sizes by correctly testing whether the size fits a host integer.
5609 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5610 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5611 SImode range for the default sizetype and bitsizetype.
5613 2006-03-29 Roger Sayle <roger@eyesopen.com>
5615 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5616 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5617 quickly if the argument is already of the correct type.
5618 Call fold_build1 instead of build1. Tidy up blank lines.
5620 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5622 * genemit.c (main): Add tm-constrs.h to included headers.
5623 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5624 * genpeep.c (main): Add tm-constrs.h to included headers.
5625 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5626 (write_tm_constrs_h): this and write complete file.
5627 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5628 (write_insn_preds_c): Add tm-constrs.h to included headers.
5629 (gen_constrs): New variable.
5630 (parse_option): Parse "-c".
5631 (main): Invoke write_tm_constrs_h.
5632 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5633 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5634 (object_out_file): Add tm-constrs.h dependency.
5635 (insn-emit.o): Same.
5636 (insn-output.o): Same.
5637 (insn-peep.o): Same.
5638 (insn-preds.o): Same.
5639 (insn-recog.o): Same.
5640 (tm-constsr.h): New target.
5641 (s-constrs-h): New target.
5643 * config/rs6000/constraints.md: New file.
5644 * config/rs6000/rs6000.c: Include tm-constrs.h.
5645 (num_insn_constant_wide): Convert to satisfies_constraint.
5646 (rs6000_rtx_costs): Convert to satisfies_constraint.
5647 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5648 (CONST_OK_FOR_LETTER_P): Delete.
5649 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5650 (EXTRA_CONSTRAINT): Delete.
5651 (EXTRA_MEMORY_CONSTRAINT): Delete.
5652 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5653 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5654 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5655 satisfies_constraint.
5657 * config/i386/i386.c: Include tm-constrs.h.
5659 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5661 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5662 * tree-data-ref.c (find_data_references_in_loop,
5663 compute_data_dependences_for_loop): Use pointers to VEC.
5664 (analyze_all_data_dependences): Adjust calls.
5665 * tree-data-ref.h (find_data_references_in_loop,
5666 compute_data_dependences_for_loop): Adjust declarations.
5667 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5668 compute_data_dependences_for_loop.
5670 2006-03-29 Paul Brook <paul@codesourcery.com>
5672 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5673 (movdf_vfp): Ditto.
5675 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5677 PR tree-optimization/26859
5678 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5679 division by zero.
5680 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5681 for the step after fold_convert.
5683 2006-03-29 Paul Brook <paul@codesourcery.com>
5685 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5686 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5688 2006-03-29 Paul Brook <paul@codesourcery.com>
5690 PR middle-end/23623
5691 * targhooks.c (default_narrow_bitfield): New fuction.
5692 * targhooks.h (default_narrow_bitfield): add prototype.
5693 * target.h (gcc_target): Add narrow_volatile_bitfield.
5694 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5695 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5696 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5697 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5699 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5701 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5702 tmake_file.
5703 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5704 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5705 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5706 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5707 (s390_function_arg_float): Allow SDmode and DDmode values to be
5708 passed in floating point registers.
5709 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5710 check with SCALAR_FLOAT_MODE_P.
5711 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5713 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5715 PR tree-optimization/25985
5716 * tree-ssa-loop-niter.c (number_of_iterations_le,
5717 number_of_iterations_ne): Make comments more precise.
5718 (number_of_iterations_cond): Add only_exit argument. Use the
5719 fact that signed variables do not overflow only when only_exit
5720 is true.
5721 (loop_only_exit_p): New.
5722 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5723 number_of_iterations_cond.
5725 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5727 PR tree-optimization/26643
5728 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5729 bit_field_refs.
5731 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5733 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5734 (divsi3_i4_int): Likewise.
5736 2006-03-28 Roger Sayle <roger@eyesopen.com>
5738 * expr.c (emit_group_store): Only create a new pseudo reg if the
5739 quantity it needs to hold isn't already a suitable pseudo.
5741 2006-03-28 Jeff Law <law@redhat.com>
5743 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5744 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5746 2006-03-28 Roger Sayle <roger@eyesopen.com>
5748 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5749 the equivalent ~X & Y, and the symmetry related transformations.
5750 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5751 ~X & Y, and symmetry related transforms.
5753 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5755 Revert my 2006-03-27 patches.
5757 2006-03-28 Roger Sayle <roger@eyesopen.com>
5759 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5760 ~(T1)X, when T1 and T2 are integer types of the same precision
5761 and (T2)X isn't an extension.
5763 2006-03-28 Jeff Law <law@redhat.com>
5765 PR tree-optimization/26796
5766 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5767 need EH edge cleanups rather than purging them immediately.
5768 (eliminate_degenerate_phis): Handle queued EH cleanups.
5770 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5772 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5773 from parent_var.
5775 2006-03-27 Roger Sayle <roger@eyesopen.com>
5777 PR middle-end/22524
5778 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5779 cast BIT_NOT_EXPR operand to the correct type.
5781 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5783 * tree-loop-linear.c: Don't include varray.h.
5784 (gather_interchange_stats, try_interchange_loops,
5785 linear_transform_loops): Use VEC instead of VARRAY.
5786 * lambda-mat.c: Don't include varray.h.
5787 * tree-chrec.c: Same.
5788 * lambda-trans.c: Same.
5789 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5790 VEC instead of VARRAY.
5791 * tree-vectorizer.h: Idem.
5792 * tree-data-ref.c (dump_data_references,
5793 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5794 initialize_data_dependence_relation, finalize_ddr_dependent,
5795 compute_all_dependences, find_data_references_in_loop,
5796 compute_data_dependences_for_loop, analyze_all_data_dependences,
5797 free_dependence_relation, free_dependence_relations,
5798 free_data_refs): Idem.
5799 * tree-data-ref.h (data_reference_p, subscript_p): New.
5800 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5801 VEC instead of VARRAY.
5802 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5803 (find_data_references_in_loop, compute_data_dependences_for_loop,
5804 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5805 dump_data_dependence_relations, free_dependence_relations,
5806 free_data_refs): Adjust declaration.
5807 (lambda_transform_legal_p): Move declaration here...
5808 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5809 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5810 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5811 vect_analyze_data_refs): Use VEC instead of VARRAY.
5812 * lambda.h (lambda_transform_legal_p): ...from here.
5813 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5814 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5815 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5816 tree-chrec.o): Don't depend on VARRAY_H.
5818 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5820 * rtl.def (Copyright): Update date.
5821 (DEPS_LIST): Change type of the second operand to 'int'.
5822 * target.h (Copyright): Update date.
5823 (struct gcc_target.speculate_insn): Change type of the second parameter
5824 to 'int'.
5825 * lists.c (Copyright): Update date.
5826 (alloc_DEPS_LIST): Change signature. Update reference to the second
5827 operand of the DEPS_LIST.
5828 (copy_DEPS_LIST_list): Update reference to the second operand of the
5829 DEPS_LIST.
5830 * rtl.h (Copyright): Update date.
5831 (alloc_DEPS_LIST): Update signature.
5832 * sched-int.h (Copyright): Update date.
5833 (ds_t): Change typedef to 'int'.
5834 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5836 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5838 * haifa-sched.c (Copyright): Update date.
5839 (try_ready): Change condition to restore non-speculative pattern
5840 of the instruction.
5841 (process_insn_depend_be_in_spec): Code to keep probability of the
5842 speculative dependence non-decreasing.
5844 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
5846 * regrename.c (replace_oldest_value_addr): Initialize a variable to
5847 shut up the compiler.
5849 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
5851 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
5852 to use lib prefix for target.
5853 ($(T)libic_invalidate_array_4-200.a): Likewise.
5854 ($(T)libic_invalidate_array_4a.a): Likewise.
5856 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
5857 J"orn Rennecke <joern.rennecke@st.com>
5859 * superh.opt: New file.
5860 * sh.c (boardtype, osruntime): Remove.
5861 * superh.h (SUBTARGET_OPTIONS): Remove.
5862 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
5864 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
5865 arguments with ^ and/or [].
5867 * config.gcc (sh-*-*): Add quoting to account for quirk of
5868 Solaris /bin/sh.
5869 Replace == with = in enable_incomplete_targets test.
5871 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
5872 with MASK_LITTLE_ENDIAN.
5874 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
5875 * config/sh/sh.opt: Added to some comments.
5876 * config/sh/superh.h: Removed some chaff.
5878 * config/sh/sh.opt: Add m4-[1234]00* options.
5879 * config/sh/sh.c (sh_handle_option): Likewise.
5880 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
5881 (ic_invalidate_array_4-100.o): New rule.
5882 ($(T)libic_invalidate_array_4-100.a): Likewise.
5883 (ic_invalidate_array_4-200.o): Likewise.
5884 ($(T)libic_invalidate_array_4-200.a): Likewise.
5885 (ic_invalidate_array_4a.o): Likewise.
5886 ($(T)libic_invalidate_array_4a.a): Likewise.
5887 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
5888 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
5889 m4-200*, and m4a*.
5890 * config/sh/crt1.asm: Merged in profiling code.
5891 * config/sh/superh.h (STARTFILE_SPEC): Override.
5892 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
5893 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
5894 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
5896 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
5897 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
5898 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
5900 * sh.opt (mpretend-cmove): New option.
5901 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
5902 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
5903 (movsicc): Add TARGET_PRETEND_CMOVE code.
5905 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
5907 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
5908 s390_class_max_nregs): New function prototypes.
5909 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
5910 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
5911 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
5912 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
5914 2006-03-26 Geoffrey Keating <geoffk@apple.com>
5916 * dwarf2out.c (add_location_or_const_value_attribute): Call
5917 tree_add_const_value_attribute if nothing else works.
5918 (reference_to_unused): New.
5919 (rtl_for_decl_init): Use reference_to_unused to decide whether
5920 to output an initializer.
5922 2006-03-27 Alan Modra <amodra@bigpond.net.au>
5924 PR target/26459
5925 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
5926 peephole removing spe frob_di_df_2.
5928 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
5930 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
5931 (subscript_dependence_tester_1): Declared.
5932 (print_dir_vectors, print_dist_vectors): New.
5933 (debug_data_dependence_relation): New.
5934 (dump_data_dependence_relation): Print more details.
5935 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
5936 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
5937 (save_dist_v, save_dir_v, add_outer_distances,
5938 build_classic_dist_vector_1): New.
5939 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
5940 Don't test for lambda_vector_lexico_pos.
5941 (same_access_functions, add_multivariate_self_dist,
5942 add_other_self_distances, dir_from_dist): New.
5943 (build_classic_dir_vector): Replace implementation almost identical to
5944 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
5945 dir_from_dist.
5946 (subscript_dependence_tester_1): New.
5947 (subscript_dependence_tester): Handle the lexicographically negative
5948 distance vectors by recomputing the dependence relation.
5949 (compute_affine_dependence): Remove parameter loop_nest_depth.
5950 (compute_self_dependence): Don't call compute_subscript_distance.
5951 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
5952 Add a parameter for the loop_nest.
5953 (find_loop_nest_1, find_loop_nest): New.
5954 (compute_data_dependences_for_loop): Compute the loop nest, and give
5955 up if the nest is not well formed.
5956 * tree-data-ref.h (loop_p): New.
5957 (struct data_dependence_relation): Replace size_vect field with
5958 loop_nest, a vec of loops.
5959 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
5960 (DDR_LOOP_NEST): New.
5961 (print_dir_vectors, print_dist_vectors,
5962 debug_data_dependence_relation): Declared.
5963 (index_in_loop_nest): New.
5964 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
5965 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
5966 distance.
5968 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
5970 * simplify-rtx.c (simplify_relational_operation): Call
5971 simplify_relational_operation_1 even if mode is VOIDmode.
5973 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
5975 PR tree-optimization/26804
5976 * tree.h (DECL_CALL_CLOBBERED): New macro.
5977 (tree_decl_common): Add call_clobbered_flag.
5978 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
5979 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
5980 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
5981 (mark_non_addressable): Ditto.
5982 * tree-ssa.c (verify_call_clobbered): New function.
5983 (verify_alias_info): Use it.
5984 * tree-pass.h (pass_reset_cc_flags): New prototype.
5985 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
5986 (reset_cc_flags): New function.
5987 * passes.c (init_optimization_passes): Call reset_cc_flags after
5988 initializing referenced_vars.
5990 2006-03-25 Uros Bizjak <uros@kss-loka.si>
5991 Roger Sayle <roger@eyesopen.com>
5993 PR middle-end/26717
5994 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
5995 to 1.0 for non-real operands. Implement A / A optimization for
5996 complex operands.
5998 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6000 * config/i386/i386.c (size_cost): Correct the comment for
6001 cost of storing fp registers.
6002 (i386_cost): Likewise.
6003 (i486_cost): Likewise.
6004 (pentium_cost): Likewise.
6005 (pentiumpro_cost): Likewise.
6006 (k6_cost): Likewise.
6007 (athlon_cost): Likewise.
6008 (k8_cost): Likewise.
6009 (pentium4_cost): Likewise.
6010 (nocona_cost): Likewise.
6011 (generic64_cost): Likewise.
6012 (generic32_cost): Likewise.
6014 2006-03-24 Denis Chertykov <denisc@overta.ru>
6016 * config/avr/avr-protos.h (extra_constraint): Delete.
6017 (extra_constraint_Q): New declaration.
6018 * config/avr/constraints.md: New file.
6019 * config/avr/avr.md: Include it.
6020 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6021 (TMP_REGNO, ZERO_REGNO): Likewise.
6022 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6023 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6024 (extra_constraint): Delete.
6025 (extra_constraint_Q): Test for memory constraint 'Q'.
6026 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6027 (REG_CLASS_FROM_LETTER): Delete.
6028 (CONST_OK_FOR_LETTER_P): Delete.
6029 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6030 (EXTRA_CONSTRAINT): Delete.
6031 (TMP_REGNO): Delete.
6032 (ZERO_REGNO): Delete.
6034 2006-03-24 Jeff Law <law@redhat.com>
6036 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6037 directly. Call mark_new_vars_to_rename slightly earlier.
6039 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6041 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6042 (is_cxx): Likewise.
6043 (gen_compile_unit_die): Use new language types for Objective-C and
6044 Objective-C++.
6045 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6046 DW_LANG_C_plus_plus.
6048 PR 26793
6049 * config/t-darwin (crt3.o): Work around bug 26840.
6050 * config/darwin-crt3.c: Rewrite.
6051 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6053 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6055 * doc/invoke.texi: Document -femit-class-debug-always
6056 * common.opt: Add -femit-class-debug-always.
6058 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6060 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6061 index and base register.
6062 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6063 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6064 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6065 REGNO_OK_FOR_INDEX_P.
6066 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6067 ADDR_REGNO_P.
6068 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6069 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6070 REG_OK_FOR_BASE_P): Definitions removed.
6072 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6074 PR middle-end/26611
6075 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6076 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6077 set yet or weren't marked as local yet.
6079 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6081 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6082 the compiler.
6084 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6086 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6087 (rs6000_legitimate_small_data_p): Delete.
6088 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6089 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6090 and make static. Add forward declaration. Update uses.
6091 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6092 of offsettable_memref_p.
6093 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6094 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6096 2006-03-24 Jeff Law <law@redhat.com>
6098 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6099 around bug in immediate-use iterator.
6101 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6103 PR target/26607
6104 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6105 or __LITTLE_ENDIAN__.
6107 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6109 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6110 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6111 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6112 * config/sh/sh.opt (mdiv=): Amend description.
6113 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6114 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6115 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6116 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6117 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6118 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6119 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6120 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6121 TARGET_DIVIDE_CALL_FP.
6123 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6125 * haifa-sched.c (choose_ready): Fix type of the local variable.
6126 Move local variables. Add comment.
6127 (check_reg_live): Change signature. Make callable from debugger.
6128 * sched-int.h (check_reg_live): Update signature.
6129 * sched-ebb.c (check_reg_live): Update parameters.
6130 * sched-rgn.c (check_reg_live): Ditto.
6131 (region_head_or_leaf_p): Check pointer before dereferencing.
6132 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6133 before reload on optimization levels below 1.
6135 2006-03-23 Richard Henderson <rth@redhat.com>
6137 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6138 tls symbols.
6140 PR target/26347
6141 * config/alpha/predicates.md (local_symbolic_operand): Reject
6142 weak symbols.
6144 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6146 PR tree-opt/26795
6147 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6148 expressions which have overflowed constants.
6150 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6152 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6154 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6156 * cfgloopmanip.c (create_loop_notes): Removed.
6157 * final.c (final_scan_insn): Do not handle loop notes.
6158 * jump.c (squeeze_notes): Ditto.
6159 * cfglayout.c (skip_insns_after_block,
6160 duplicate_insn_chain): Ditto.
6161 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6162 create_loop_notes.
6163 * cfgloop.h (create_loop_notes): Declaration removed.
6165 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6167 * varasm.c (output_constant_pool): Restore fnname and fndecl
6168 arguments.
6169 (assemble_start_function): Adjust call accordingly.
6170 (assemble_end_function): Likewise.
6172 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6174 PR mudflap/26789
6175 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6177 PR mudflap/26790
6178 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6180 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6182 PR driver/22600
6183 * system.h (ICE_EXIT_CODE): New macro.
6184 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6185 (diagnostic_action_after_output): Likewise.
6186 * gcc.c (fatal_ice): New function.
6187 (execute): Use it instead of fatal.
6188 (fancy_abort): Likewise.
6189 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6191 2006-03-22 Jeff Law <law@redhat.com>
6193 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6194 iv_analyze_result returning false.
6196 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6198 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6200 2006-03-22 Richard Henderson <rth@redhat.com>
6202 PR middle-end/26084
6203 * except.c (duplicate_eh_regions_0): New.
6204 (duplicate_eh_region_1): Duplicate the children of the node as
6205 well as the node itself. Link them up properly.
6206 (duplicate_eh_region_2): Merge into ...
6207 (duplicate_eh_regions): ... here. Take copy_region argument, and
6208 copy only a sub-tree if asked. Simplify copying and fixup.
6209 (eh_region_outer_p): New.
6210 * except.h (duplicate_eh_regions): Update decl.
6211 (eh_region_outer_p): Declare.
6212 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6213 (lower_omp_master): Likewise.
6214 (lower_omp_ordered): Likewise.
6215 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6216 (move_stmt_r): Use it to remap labels. Handle recursion vs
6217 remap_decls_p properly.
6218 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6219 (find_outermost_region_in_block): New.
6220 (new_label_mapper): New.
6221 (move_sese_region_to_fn): Copy eh information to the new function
6222 properly.
6223 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6224 argument.
6225 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6226 number.
6228 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6230 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6231 into shared libraries.
6233 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6235 * doc/md.texi: Refer to i386/constraints.md instead of
6236 i386/predicates.md.
6237 * config/i386/constraints.md: New file, extracted from...
6238 * config/i386/predicates.md: ...here.
6239 * config/i386/i386.md: Include constraints.md.
6241 2006-03-21 Jason Merrill <jason@redhat.com>
6243 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6245 PR middle-end/20297
6246 * expr.c (init_block_move_fn): Force default visibility.
6247 (init_block_clear_fn): Likewise.
6248 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6249 * targhooks.c (default_external_stack_protect_fail): Likewise.
6251 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6253 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6254 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6255 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6256 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6257 (loadgp): Use mips_current_loadgp_style.
6258 (loadgp_noshared): New pattern.
6259 (sibcall_internal): Use MIPS_CALL.
6260 (sibcall_value_internal): Likewise.
6261 (sibcall_value_multiple_internal): Likewise.
6262 (call_internal): Likewise.
6263 (call_value_internal): Likewise.
6264 (call_value_multiple_internal): Likewise.
6265 (call_split): Use MIPS_CALL and add an 'S' constraint.
6266 (call_value_split): Likewise.
6267 (call_value_multiple_split): Likewise.
6268 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6269 (-mshared): New option.
6270 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6271 (mips_current_loadgp_style): Declare.
6272 * config/mips/mips.c (mips_classify_symbol): Avoid using
6273 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6274 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6275 TARGET_ABSOLUTE_ABICALLS.
6276 (override_options): Adjust comments. Improve the warning that is
6277 issued when -mabicalls and -G are used together.
6278 (mips_file_start): Remove comment.
6279 (mips_current_loadgp_style): New function.
6280 (mips_gnu_local_gp): New variable.
6281 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6282 LOADGP_ABSOLUTE.
6283 (mips_output_function_prologue): Use mips_current_laodgp_style.
6284 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6285 the cprestore instruction.
6286 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6287 live for TARGET_ABSOLUTE_ABICALLS.
6288 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6289 (ASM_SPEC): Pass down -mshared and -mno-shared.
6290 (MIPS_CALL): New macro.
6291 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6292 definition.
6293 * doc/invoke.texi (-mabicalls): Update documentation.
6294 (-mshared): Document.
6296 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6298 * config/ia64/unwind-hpux.c: New file.
6299 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6301 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6303 PR libgomp/26384
6304 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6306 2006-03-21 Jeff Law <law@redhat.com>
6308 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6309 type conversions of a VR_VARYING source to a wider type.
6311 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6313 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6314 tm_file on Solaris 10 and later.
6315 (sparc64-*-solaris2*): Likewise.
6316 (sparc-*-solaris2*): Likewise.
6317 * config/sol26.h: Rename to config/sol2-6.h.
6318 * config/sol2-10.h: New file.
6320 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6322 PR tree-opt/26781
6323 * tree-ssa-pre.c (create_component_ref_by_pieces):
6324 Handle STRING_CST.
6326 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6328 PR c++/26690
6329 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6330 return it immediately.
6332 2006-03-21 Michael Matz <matz@suse.de>
6334 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6335 New members.
6336 (remove_arc, add_arc): Update num_out_arcs member.
6337 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6338 of out arcs.
6339 (cache_presence): New function.
6340 (compare_states_for_equiv): New function.
6341 (state_is_differed): Don't take number of outargs, adjust callers.
6342 Use new invariant for speeding up.
6343 (init_equiv_class): Create initial classes based on sorted
6344 input.
6345 (partition_equiv_class): Don't track out_arcs_num.
6346 (evaluate_equiv_classes): Call cache_presence on all states and
6347 sort them.
6349 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6351 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6352 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6353 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6354 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6355 callers changed.
6356 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6357 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6358 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6359 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6360 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6361 macros.
6362 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6363 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6364 (REGNO_REG_CLASS): ARGP is in PREGS.
6365 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6366 IREGS.
6367 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6368 to deal with those addresses.
6369 * addresses.h: New file.
6370 * caller-save.c: Include "addresses.h".
6371 (init_caller_save): Use new base_reg_class function.
6372 * rtl-factoring.c: Include "addresses.h".
6373 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6374 * recog.c: Include "addresses.h".
6375 (preprocess_constraints): Use new base_reg_class function.
6376 * regrename.c: Include "addresses.h".
6377 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6378 functions. Keep track of a new var INDEX_CODE to compute valid
6379 classes.
6380 (replace_oldest_value_addr): Likewise.
6381 (replace_oldest_value_mem): Use base_reg_class.
6382 * reload.c: Include "addresses.h".
6383 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6384 (find_reloads): Use new base_reg_class function.
6385 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6386 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6387 all callers and prototype changed.
6388 * reload1.c: Include "addresses.h".
6389 (maybe_fix_stack_asms): Use base_reg_class.
6390 * regclass.c: Include "addresses.h".
6391 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6392 (init_reg_autoinc): Use new base_reg_class function.
6393 (record_reg_classes): Likewise.
6394 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6395 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6396 Use new args to compute necessary class.
6398 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6399 regrename.o, rtl-factoring.o): Update dependencies.
6400 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6401 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6402 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6403 REG_OK_FOR_INDEX_P): Delete documentation.
6405 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6407 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6408 from V7 to V9 for Solaris 7 and above.
6410 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6412 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6413 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6414 argument pointers may not alias any other storage.
6415 * common.opt: Define option -fargument-noalias-anything.
6416 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6417 alias semantics is specified by flag_argument_noalias > 2.
6419 2006-03-20 Jeff Law <law@redhat.com>
6421 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6422 (pass_phi_only_cprop): Declare.
6423 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6424 with phi_only_cprop
6425 * tree-ssa-dom.c (degenerate_phi_result): New function.
6426 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6427 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6428 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6429 (eliminate_degenerate_phis): Likewise.
6430 (pass_phi_only_cprop): New pass descriptor.
6431 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6432 support code. Callers updated.
6433 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6434 (store_copy_prop): Likewise.
6435 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6437 2006-03-20 Jason Merrill <jason@redhat.com>
6439 PR c++/21764
6440 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6441 (push_visibility, pop_visibility): Likewise.
6442 * c-pragma.h: Declare them.
6444 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6446 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6448 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6449 parameter and use get_ebb_head_tail.
6450 (sh_md_init_global): Adjust uses of find_regmode_weight.
6452 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6454 * function.h (struct function) <x_tail_recursion_reentry>:
6455 Rename to x_stack_check_probe_note.
6456 (tail_recursion_reentry): Rename to stack_check_probe_note.
6457 * function.c: Replace tail_recursion_reentry with
6458 stack_check_probe_note everywhere.
6459 (expand_function_start): Only emit a note for
6460 stack_check_probe_note with -fstack-protect.
6461 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6463 * emit-rtl.c (remove_unnecessary_notes): Remove.
6464 (pass_remove_unnecessary_notes): Remove.
6465 * rtl.h (remove_unnecessary_notes): Remove prototype.
6466 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6467 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6468 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6470 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6472 PR tree-opt/26629
6473 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6474 (valid_in_set): Handle ARRAY_REF.
6475 Change "if min_variant or VH" to asserts.
6476 (create_component_ref_by_pieces): Handle ARRAY_REF.
6477 (create_expression_by_pieces): Likewise.
6478 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6480 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6482 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6483 is operand of switch, not str[0].
6485 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6487 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6488 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6490 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6492 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6493 end of insn_extra_address_constraint declaration.
6495 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6497 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6498 (no-sum-in-toc): Same.
6499 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6500 variables.
6501 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6502 NO_FP_IN_TOC for -fPIC instead of mask.
6504 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6505 (BOOT_LDFLAGS): Delete.
6506 (LDFLAGS): Delete.
6507 * config/rs6000/t-aix52: Same.
6509 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6510 (stmsi[345678]_power): New.
6512 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6514 * config/ia64/ia64.opt: Add empty line to end of file.
6516 2006-03-17 Richard Guenther <rguenther@suse.de>
6518 PR middle-end/26721
6519 * builtins.c (get_pointer_alignment): For component style references
6520 adjust alignment to the component type alignment. Make sure
6521 to adjust alignment for component access of constants.
6523 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6525 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6526 unconditional jump.
6528 2006-03-17 Paul Brook <paul@codesourcery.com>
6530 * doc/install.texi: Docuemnt --with-mode.
6531 * config.gcc: Add --with-mode for arm*-*-*.
6532 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6534 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6536 * sh.c (max_labelno_before_reorg): New variable.
6537 (sh_reorg): Initialize it.
6538 (find_barrier): Check max_labelno_before_reorg before using
6539 label_to_alignment. Take length of explicit alignment insns
6540 into account. When seeing a UNSPECV_CONST_END, return it.
6542 * sh.c (fixup_mova): Set mode of affected label to QImode.
6543 (untangle_mova): New function.
6544 (find_barrier): Use it. Check mode of label before decrementing
6545 num_mova.
6546 (sh_reorg): Likewise.
6547 Set mode of all insns back to VOIDmode.
6549 * sh.c (MOVA_LABELREF): New macro.
6550 (mova_p, fixup_mova, sh_reorg): Use it.
6551 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6552 ADDR_DIFF_VEC matches mova.
6554 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6556 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6557 with ATTRIBUTE_UNUSED.
6559 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6561 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6562 pointer, instead of assuming it is possible to derive the
6563 correct args size from a call insn.
6565 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6567 * rtl.h (CONST_INT_P): Define.
6568 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6569 instead of GET_CODE(x) == CONST_INT.
6570 (vax_rtx_costs): Likewise.
6571 (vax_output_int_move): Likewise.
6572 (vax_output_int_add): Likewise.
6573 (legitimate_constant_address_p): Likewise.
6574 (index_term_p): Likewise.
6575 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6576 * config/vax/vax.md (and<mode>3): Likewise.
6577 (ashrsi3): Likewise.
6578 (extv): Likewise.
6579 (movstricthi): Likewise.
6580 (movstrictqi): Likewise.
6581 (rotrsi3): Likewise.
6582 (five unnamed insns): Likewise.
6584 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6586 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6587 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6588 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6589 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6590 Pass to ASM_OUTPUT_DWARF_OFFSET.
6591 * dwarf2out.c (debug_frame_section): New.
6592 (output_call_frame_info): Use debug_frame_section. Pass it to
6593 dw2_asm_output_offset.
6594 (output_die): Pass appropriate section to dw2_asm_output_offset.
6595 (output_compilation_unit_header): Likewise.
6596 (output_pubnames): Likewise.
6597 (output_aranges): Likewise.
6598 (enum dw_val_class): Break dw_val_class_lbl_offset into
6599 dw_val_class_lineptr and dw_val_class_macptr.
6600 (add_AT_lbl_offset): Delete.
6601 (add_AT_lineptr): New.
6602 (add_AT_macptr): New.
6603 (AT_lbl): Expect a lineptr or macptr.
6604 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6605 (attr_checksum): Likewise.
6606 (same_dw_val_p): Likewise.
6607 (size_of_die): Likewise.
6608 (value_format): Likewise.
6609 (output_die): Likewise.
6610 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6611 add_AT_lbl_offset.
6612 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6613 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6614 * config/darwin-protos.h (darwin_file_start): New.
6615 (darwin_asm_output_dwarf_offset): New.
6616 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6617 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6618 darwin_file_start.
6619 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6620 if not EH section; simplify.
6621 (darwin_file_start): New.
6622 (darwin_asm_output_dwarf_offset): New.
6623 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6624 mark as 'debug'.
6625 (DEBUG_INFO_SECTION): Likewise.
6626 (DEBUG_ABBREV_SECTION): Likewise.
6627 (DEBUG_ARANGES_SECTION): Likewise.
6628 (DEBUG_MACINFO_SECTION): Likewise.
6629 (DEBUG_LINE_SECTION): Likewise.
6630 (DEBUG_LOC_SECTION): Likewise.
6631 (DEBUG_PUBNAMES_SECTION): Likewise.
6632 (DEBUG_STR_SECTION): Likewise.
6633 (DEBUG_RANGES_SECTION): Likewise.
6634 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6635 (ASM_OUTPUT_DWARF_OFFSET): New.
6637 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6639 * config.gcc (tm_defines): Always add to previous value rather
6640 than replacing it.
6642 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6644 * config/mips/predicates.md (splittable_const_int_operand): New,
6645 split from move_operand.
6646 (splittable_symbolic_operand): New.
6647 (move_operand): Add commentary. Use splittable_const_int_operand.
6648 Inline mips_atomic_symbolic_constant_p.
6649 * config/mips/mips.md: Add combine splitters for handling moves
6650 of splittable_const_int_operands and splittable_symbolic_operands.
6651 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6652 (mips_split_symbol): Declare.
6653 (mips_move_integer): Declare.
6654 * config/mips/mips.c (mips_split_p): Make global.
6655 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6656 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6657 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6658 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6659 (mips_offset_within_object_p): Handle block symbols.
6660 (mips_atomic_symbolic_constant_p): Delete.
6661 (mips_cannot_force_const_mem): Return false for constants that
6662 mips_legitimize_move can handle.
6663 (mips_use_blocks_for_constant_p): New function.
6664 (mips_split_symbol): Make global.
6665 (mips_move_integer): Likewise. Add a temporary register argument.
6666 (mips_legitimize_const_move): Use splittable_const_int_operand and
6667 splittable_symbolic_operand.
6668 (mips_use_anchors_for_symbol_p): New function.
6669 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6670 (mips_split_p): Declare.
6672 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6674 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6675 (mips*-*-linux*): Likewise.
6677 2006-03-16 Roger Sayle <roger@eyesopen.com>
6678 Daniel Speyer <dspeyer@wam.umd.edu>
6680 PR middle-end/18259
6681 * tree-dump.c (dump_real): New function.
6682 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6683 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6684 (tree-dump.o): Add $(REAL_H) to the dependencies.
6686 2006-03-16 Roger Sayle <roger@eyesopen.com>
6688 PR middle-end/21781
6689 * real.c (real_from_string): If the mantissa is zero, don't bother
6690 parsing the exponent as the result should always be zero.
6692 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6694 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6696 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6698 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6699 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6700 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6701 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6702 ia64_sched_finish_global): New static functions to implement
6703 hooks from gcc_target.sched.
6704 (spec_check_no, max_uid, pending_data_specs): New static variables.
6705 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6706 ia64_spec_check_src_p): New static functions.
6707 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6708 (TARGET_SCHED_ADJUST_COST): Removed.
6709 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6710 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6711 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6712 TARGET_SCHED_GEN_CHECK,
6713 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6714 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6715 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6716 Fixed to handle speculation checks.
6717 (rtx_needs_barrier): Fixed to handle speculative loads and
6718 their checks.
6719 (ia64_variable_issue): Added code to count speculative loads and their
6720 checks.
6721 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6722 speculative loads.
6723 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6724 New enumerations.
6725 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6726 New constants.
6727 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6728 (ia64_reorg): Reset stops_p to NULL after it is freed.
6729 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6730 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6731 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6732 chk_a.
6733 (data_speculative, control_speculative, check_load): New attributes.
6734 (mov<mode>_advanced, mov<mode>_speculative,
6735 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6736 zero_extend<mode>di2_speculative,
6737 zero_extend<mode>di2_speculative_advanced): New patterns for
6738 data and control speculative loads.
6739 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6740 check loads.
6741 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6742 New pattern for data and control speculation checks.
6743 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6744 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6745 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6746 Auxiliary definitions for the patterns.
6747 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6748 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6749 constraints.
6750 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6751 for speculation.
6752 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6753 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6754 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6755 New resource constraints.
6756 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6757 for speculation.
6758 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6759 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6760 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6761 msched-in-control-spec, msched-ldc, msched-control-ldc,
6762 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6763 msched-prefer-non-control-spec-insns,
6764 msched-count-spec-in-critical-path): New flags to tune speculative
6765 scheduling.
6766 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6767 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6768 msched-in-control-spec, msched-ldc, msched-control-ldc,
6769 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6770 msched-prefer-non-control-spec-insns,
6771 msched-count-spec-in-critical-path): Document new flags.
6773 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6775 * target.h (struct spec_info_def): New opaque declaration.
6776 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6777 speculate_insn, needs_block_p, gen_check,
6778 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6779 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6780 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6781 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6782 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6783 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6784 gcc_target.sched.
6785 (TARGET_SCHED): Use new macros.
6786 * rtl.h (copy_DEPS_LIST_list): New prototype.
6787 * sched-int.h (struct sched_info): Change signature of new_ready field,
6788 adjust all initializations. New fields: add_remove_insn,
6789 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6790 region_head_or_leaf_p.
6791 (struct spec_info_def): New structure declaration.
6792 (spec_info_t): New typedef.
6793 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6794 recovery_block, orig_pat.
6795 (glat_start, glat_end): New variables declaraions.
6796 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6797 New access macros.
6798 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6799 DETACH_LIFE_INFO, USE_GLAT.
6800 (enum SPEC_SCHED_FLAGS): New enumeration.
6801 (NOTE_NOTE_BB_P): New macro.
6802 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6803 attach_life_info, debug_spec_status, check_reg_live): New functions.
6804 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6805 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6806 sched-ebb.c
6807 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6808 * ddg.c (get_block_head_tail): Adjust all uses.
6809 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6810 (sms_sched_info): Initialize new fields.
6811 (contributes_to_priority): Removed.
6812 * haifa-sched.c (params.h): New include.
6813 (get_block_head_tail): Adjust all uses.
6814 (ISSUE_POINTS): New macro.
6815 (glat_start, glat_end): New global variables.
6816 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6817 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6818 old_last_basic_block, before_recovery, current_sched_info_var,
6819 rgn_n_insns, luid): New static variables.
6820 (insn_cost1): New function. Move logic from insn_cost to here.
6821 (find_insn_reg_weight1): New function. Move logic from
6822 find_insn_reg_weight to here.
6823 (reemit_notes, move_insn, max_issue): Change signature.
6824 (move_insn1): Removed.
6825 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
6826 extend_bb): New static functions to support extension of scheduler's
6827 data structures.
6828 (generate_recovery_code, process_insn_depend_be_in_spec,
6829 begin_speculative_block, add_to_speculative_block,
6830 init_before_recovery, create_recovery_block, create_check_block_twin,
6831 fix_recovery_deps): New static functions to support
6832 generation of recovery code.
6833 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
6834 restore_bb_notes, move_block_after_check, move_succs): New static
6835 functions to support ebb scheduling.
6836 (init_glat, init_glat1, attach_life_info1, free_glat): New static
6837 functions to support handling of register live information.
6838 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
6839 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
6840 add_jump_dependencies): New static functions.
6841 (check_cfg, has_edge_p, check_sched_flags): New static functions for
6842 consistancy checking.
6843 (debug_spec_status): New function to call from debugger.
6844 (priority): Added code to handle speculation checks.
6845 (rank_for_schedule): Added code to distinguish speculative instructions.
6846 (schedule_insn): Added code to handle speculation checks.
6847 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
6848 Fixed to handle ebbs.
6849 (move_insn): Added code to handle ebb scheduling.
6850 (max_issue): Added code to use ISSUE_POINTS of instructions.
6851 (choose_ready): Added code to choose between speculative and
6852 non-speculative instructions.
6853 (schedule_block): Added code to handle ebb scheduling and scheduling of
6854 speculative instructions.
6855 (sched_init): Initialize new variables.
6856 (sched_finish): Free new variables. Print statistics.
6857 (try_ready): Added code to handle speculative instructions.
6858 * lists.c (copy_DEPS_LIST_list): New function.
6859 * sched-deps.c (extend_dependency_caches): New function. Move logic
6860 from create_dependency_caches to here.
6861 (get_dep_weak, ds_merge): Make global.
6862 * genattr.c (main): Code to output prototype for
6863 dfa_clear_single_insn_cache.
6864 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
6865 (output_dfa_clean_insn_cache_func): Code to output
6866 dfa_clear_single_insn_cache function.
6867 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
6868 n_insns.
6869 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
6870 Removed.
6871 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
6872 New static variables.
6873 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
6874 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
6875 struct sched_info.
6876 (ebb_sched_info): Initialize new fields.
6877 (get_block_head_tail): Adjust all uses.
6878 (compute_jump_reg_dependencies): Fixed to use glat_start.
6879 (schedule_ebb): Code to remove unreachable last block.
6880 (schedule_ebbs): Added code to update register live information.
6881 * sched-rgn.c (region_sched_info): Initialize new fields.
6882 (get_block_head_tail): Adjust all uses.
6883 (last_was_jump): Removed. Adjust users.
6884 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
6885 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
6886 Implement new hooks.
6887 (check_dead_notes1): New static function.
6888 (struct region): New fields: dont_calc_deps, has_real_ebb.
6889 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
6890 (BB_TO_BLOCK): Fixed to handle EBBs.
6891 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
6892 (ebb_head): New static variable.
6893 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
6894 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
6895 new fields.
6896 (compute_dom_prob_ps): New assertion.
6897 (check_live_1, update_live_1): Fixed to work with glat_start instead of
6898 global_live_at_start.
6899 (init_ready_list): New assertions.
6900 (can_schedule_ready_p): Split update code to begin_schedule_ready.
6901 (new_ready): Add support for BEGIN_CONTROL speculation.
6902 (schedule_insns): Fixed code that updates register live information
6903 to handle EBBs.
6904 (schedule_region): Fixed to handle EBBs.
6905 (init_regions): Use extend_regions and check_dead_notes1.
6906 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
6907 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
6908 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
6909 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6910 TARGET_SCHED_GEN_CHECK,
6911 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6912 TARGET_SCHED_SET_SCHED_FLAGS): Document.
6913 * doc/invoke.texi (max-sched-insn-conflict-delay,
6914 sched-spec-prob-cutoff): Document.
6916 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6918 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
6919 inter_tick, queue_index.
6920 (struct sched_info): Change signature of init_ready_list field.
6921 Adjust all initializations.
6922 (RESOLVED_DEPS): New access macro.
6923 (ready_add): Remove prototype.
6924 (try_ready): Add prototype.
6925 * sched-rgn.c (init_ready_list): Use try_ready.
6926 (schedule_region): Initialize
6927 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
6928 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
6929 (init_ready_list): Use try_ready.
6930 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
6931 * lists.c (remove_list_elem): Remove `static'.
6932 (remove_free_INSN_LIST_elem): New function.
6933 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
6934 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
6935 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
6936 New constants.
6937 (readyp): New variable.
6938 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
6939 change_queue_index, resolve_dep): New static functions.
6940 (try_ready): New function. Adjust callers in sched-rgn.c and
6941 sched-ebb.c to use it instead of ready_add.
6942 (clock_var): Move at the begining of file.
6943 (rank_for_schedule): Fix typo.
6944 (queue_insn): Add assertion. Handle QUEUE_INDEX.
6945 (ready_lastpos): Enforce assertion.
6946 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
6947 update all callers.
6948 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
6949 (schedule_insn): Rewrite to use try_ready and resolve_dep.
6950 (queue_to_ready): Use free_INSN_LIST_list.
6951 (early_queue_to_ready): Fix typo.
6952 (schedule_block): Init readyp. Move init_ready_list call after the
6953 initialization of clock_var. Fix error in rejecting insn by
6954 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
6955 that previously corrected INSN_TICKs. Add code for handling
6956 QUEUE_INDEX.
6957 (set_priorities): Fix typo.
6958 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
6959 Clarify comment and code that keeps current_sched_info->next_tail
6960 non-null.
6962 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6964 * sched-rgn.c (extend_rgns): New static function.
6965 (find_rgns): Use it.
6966 (gather_region_statistics, print_region_statistics): New static
6967 functions.
6968 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
6969 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6971 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6972 Andrey Belevantsev <abel@ispras.ru>
6974 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
6975 * lists.c (unused_deps_list): New variable.
6976 (free_list): Add assertions to verify the proper distinguishing
6977 between INSN_LISTs and DEPS_LISTs.
6978 (find_list_elem, remove_list_elem, remove_list_node): New static
6979 functions.
6980 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
6981 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
6982 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
6983 (alloc_INSN_LIST): Assert that the list we're working on is indeed
6984 an INSN_LIST.
6985 (free_INSN_LIST_node): Likewise.
6986 * modulo-sched.c (current_sched_info): Initialize flags field.
6987 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
6988 * rtl.def (DEPS_LIST): Define.
6989 * rtl.h: Declare new functions from lists.c.
6990 * sched-deps.c (spec_dependency_cache): New static variable.
6991 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
6992 (add_dependence): Change return type to void. Move the logic to ...
6993 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
6994 (delete_all_dependences): Add comment about forward_dependency_cache.
6995 Handle spec_dependency_cache. Handle DEPS_LISTs.
6996 (fixup_sched_groups): Clarify the change of priority of output
6997 and anti dependencies.
6998 (sched_analyze_2): Adjust add_dependence calls to create data
6999 speculative dependence.
7000 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7001 Adjust all callers. Handle DEPS_LISTS.
7002 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7003 presence of speculation.
7004 (init_dependency_caches, free_dependency_caches):
7005 Handle spec_dependency_cache.
7006 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7007 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7008 New static functions.
7009 (add_or_update_back_dep, add_or_update_back_forw_dep,
7010 add_back_forw_dep, delete_back_forw_dep): New functions.
7011 * sched-int.h (ds_t, dw_t): New typedefs.
7012 (struct sched_info): Add new field flags.
7013 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7014 Prototype new sched-deps.c functions.
7015 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7016 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7017 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7018 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7019 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7020 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7021 New constants.
7022 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7023 New enums.
7024 * sched-rgn.c (current_sched_info): Initialize flags field.
7025 (schedule_insns): Initialize current_sched_info before the sched_init
7026 call.
7027 * sched-ebb.c (current_sched_info): Initialize flags field.
7028 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7029 Call add_or_update_back_dep instead of add_dependence.
7030 Create control speculative dependencies.
7031 (schedule_insns): Initialize current_sched_info before the sched_init
7032 call.
7034 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7036 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7037 fs->signal_frame.
7038 (sh_fallback_frame_state): Likewise.
7040 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7042 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7043 Do switch on default_use_cxa_atexit.
7044 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7045 * config/darwin-crt3.o: New.
7046 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7047 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7048 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7049 OS version.
7050 * config/rs6000/t-darwin: Move crt2.o building to here.
7051 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7052 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7053 of __cxa_atexit.
7055 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7057 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7058 from '! xxx' to '!xxx' for coding-style conformance.
7059 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7060 (EXTRA_CONSTRAINT): Likewise.
7061 * config/vax/vax.md (four unnamed insns): Likewise.
7063 2006-03-15 Paul Brook <paul@codesourcery.com>
7065 * config/arm/arm.c (minipool_pad): New.
7066 (add_minipool_forward_ref): Include pool alignment padding in address
7067 calculation.
7068 (push_minipool_fix): Set minipool_pad.
7069 (minipool_pad): Ditto.
7071 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7073 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7074 instead of GET_CODE() == MEM and REG_P() instead of
7075 GET_CODE() == REG.
7076 (print_operand_address): Likewise.
7077 (vax_address_cost): Likewise.
7078 (vax_rtx_costs): Likewise.
7079 (vax_notice_update_cc): Likewise.
7080 (vax_output_int_add): Likewise.
7081 (INDEX_REGISTER_P): Likewise.
7082 (BASE_REGISTER_P): Likewise.
7083 (nonindexed_address_p): Likewise.
7084 (vax_mode_dependent_address_p): Likewise.
7085 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7086 (PRINT_OPERAND): Likewise.
7087 * config/vax/vax.md (ashlsi3): Likewise.
7088 (ashlsi3): Likewise.
7089 (some more unnamed insns): Likewise.
7091 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7093 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7094 iterator-style macro.
7095 (mark_control_dependent_edges_necessary): Update the use of
7096 EXECUTE_IF_CONTROL_DEPENDENT.
7098 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7100 * config/sh/predicates.md (cache_address_operand): Special.
7101 (ua_address_operand): Likewise.
7103 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7105 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7106 loop notes.
7107 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7109 2006-03-15 Andreas Schwab <schwab@suse.de>
7111 * gensupport.c (identify_predicable_attribute): Don't free p_false
7112 when it is still in use.
7114 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7116 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7117 the default setting here.
7119 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7121 * tree-pass.h (pass_cfg): Remove.
7122 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7123 * passes.c (pass_cfg): Don't run it.
7125 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7127 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7128 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7129 VEC(char,heap) *.
7130 (stack_regs_mentioned): Update the uses of
7131 stack_regs_mentioned_data. Don't access the array beyond its
7132 end.
7133 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7134 Don't include gt-reg-stack.h.
7136 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7137 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7139 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7141 PR middle-end/26684
7142 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7143 STACK_REGS.
7145 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7147 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7149 2006-03-14 Richard Guenther <rguenther@suse.de>
7151 PR tree-optimization/26672
7152 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7153 SSA form.
7155 2006-03-14 Richard Guenther <rguenther@suse.de>
7157 PR tree-optimization/26667
7158 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7159 node for the callees. Always allow inlining if it will shrink
7160 the function size.
7162 2006-03-14 Richard Guenther <rguenther@suse.de>
7164 PR middle-end/26659
7165 * builtins.c (get_pointer_alignment): Prefer alignment
7166 information from decls over that from types.
7168 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7170 PR target/26657
7171 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7173 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7175 * config/rs6000/rs6000.opt (mdlmzb): New option.
7176 (msched-prolog, msched-epilog): Use Var not Mask.
7177 * doc/invoke.texi (-mdlmzb): Document.
7178 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7179 MASK_SCHED_PROLOG.
7180 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7181 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7183 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7185 PR rtl-optimization/25739
7186 * bt-load.c (augment_live_range): Free tos pointer.
7188 * gensupport.c (identify_predicable_attribute): Free
7189 p_false pointer.
7190 * gcov.c (create_file_names): Free name pointer.
7192 2006-03-13 Roger Sayle <roger@eyesopen.com>
7194 PR middle-end/26557
7195 * stmt.c (emit_case_nodes): Handle the case where the index is a
7196 CONST_INT, where the comparison mode is specified by the index type.
7198 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7200 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7201 is defined.
7203 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7205 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7206 (*branch_fp_inverted): Likewise.
7208 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7210 PR middle-end/25989
7211 * omp-low.c (expand_omp_for_generic): Mark istart0
7212 and iend0 as addressable.
7214 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7216 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7218 2006-03-13 Jeff Law <law@redhat.com>
7220 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7221 virtual operands are interesting.
7222 (vrp_visit_stmt): Corresponding changes.
7224 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7226 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7227 of RETS.
7228 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7229 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7230 * config/bfin/crti.S: Use it instead of __PIC__.
7231 * config/bfin/crtn.S: Likewise.
7233 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7234 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7235 not if flag_pic.
7236 Lose 'G' modifier for call operand.
7237 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7238 recognize 'G' modifier.
7240 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7242 PR middle-end/18859
7243 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7244 * stmt.c (expand_case): Likewise.
7246 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7248 PR rtl-optimization/26254
7249 * loop-invariant.c (seq_insns_valid_p): New function.
7250 (move_invariant_reg): Only emit new code if it is valid.
7252 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7254 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7255 Removed.
7256 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7257 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7258 (commit_one_edge_insertion): Do not look for loop notes.
7260 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7262 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7263 flag_test_coverage out of loop.
7265 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7267 * final.c (shorten_branches): Remove outdated comment, and turn
7268 the if branch that guards it to continue.
7270 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7272 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7273 * cfgloop.h (struct loop): Remove unused fields.
7275 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7277 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7278 (-dL, -fdump-rtl-loop2): Update the dump file names
7280 * doc/invoke.texi: Update dump file names.
7282 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7284 * predict.c (estimate_probability): Remove.
7285 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7286 * basic-block.h (estimate_probability): Remove prototype.
7287 * passes.c (finish_optimization_passes): Dump branch prediction or
7288 profiling heuristics to the .profile tree dump.
7289 (init_optimization_passes): Unqueue pass_branch_prob.
7291 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7293 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7295 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7296 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7298 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7300 * function.h (frame_offset_overflow): Declare.
7301 * function.c (frame_offset_overflow): New function.
7302 (assign_stack_local_1): Call it to detect that the offset overflows.
7303 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7305 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7307 * config/sh/sh.c: Include alloc-pool.h.
7308 (label_ref_list_pool): New alloc pool.
7309 (label_ref_list_t): New type for lists of labels.
7310 (struct pool_node): Make wend a label_ref_list_t.
7311 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7312 references.
7313 (dump_table): Likewise.
7314 (sh_reorg): Set up the alloc pool before using add_constant and
7315 dump_table, and destroy it when finishing.
7317 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7319 * config/mips/mips.c: Remove redundant comment.
7321 2006-03-10 Jason Merrill <jason@redhat.com>
7323 PR c/26004
7324 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7325 the target was declared 'register'.
7327 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7329 * genpreds.c (write_insn_constraint_len): Change definition of
7330 insn_constraint_len to return size_t to match the declaration.
7332 2006-03-10 DJ Delorie <dj@redhat.com>
7334 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7335 start at zero.
7336 (m32c_expand_insv): Fix test for an AND mask.
7338 2006-03-10 Richard Guenther <rguenther@suse.de>
7340 PR middle-end/26565
7341 * builtins.c (get_pointer_alignment): Handle component
7342 references for field alignment.
7344 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7346 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7347 when building with libgloss.
7348 (sh*elf): Implement --without-fp option.
7349 (sh64-superh-linux*): Don't multilib.
7351 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7353 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7355 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7357 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7358 Set it when one of the replacement functions returned true.
7359 Return TODO_cleanup_cfg if cfgchanged is true.
7360 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7362 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7364 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7365 instead of gen_lowpart.
7367 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7369 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7370 interface.
7371 (mips_output_order_conditional_branch): Declare.
7372 * config/mips/mips.h (MIPS_BRANCH): New macro.
7373 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7374 for the comparison. Use gen_condjump.
7375 (mips_output_conditional_branch): Rework interface to take the
7376 asm templates for a direct branch and the inverse of a direct branch.
7377 (mips_output_order_conditional_branch): New function.
7378 (mips_builtin_branch_and_move): New function.
7379 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7380 branch condition. Use gen_single_cc as the condition for
7381 __builtin_mips_upper_* or __builtin_mips_lower_*.
7382 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7383 Use VOIDmode for the branch condition.
7384 * config/mips/predicates.md (order_operator): New predicate.
7385 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7386 (branch_fp): Rename to...
7387 (*branch_fp): ...this. Remove mode from comparison operator.
7388 Use new mips_output_conditional_branch interface.
7389 (branch_fp_inverted): Rename to...
7390 (*branch_fp_inverted): ...this and update as for *branch_fp.
7391 (*branch_zero<mode>): Rename to...
7392 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7393 Use mips_output_order_conditional_branch. Only accept ordered
7394 comparisons.
7395 (*branch_zero<mode>_inverted): Rename to...
7396 (*branch_order<mode>_inverted): ...this and update as for
7397 *branch_order<mode>.
7398 (*branch_equality<mode>): Accept zero as the second operand to
7399 the equality operator. Use the new mips_output_conditional_branch
7400 interface.
7401 (*branch_equality<mode>_inverted): Likewise.
7402 (condjump): New expander.
7403 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7404 operator.
7405 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7406 (bc1any2t, bc1any2f): Likewise.
7407 (single_cc): New expander.
7408 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7410 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7412 * doc/md.texi: Update documentation of MIPS constraints.
7413 * config/mips/constraints.md: New file.
7414 * config/mips/mips.md: Include it.
7415 * config/mips/mips.c (mips_char_to_class): Delete.
7416 (override_options): Don't initialize mips_char_to_class.
7417 * config/mips/mips.h (mips_char_to_class): Delete.
7418 (REG_CLASS_FROM_LETTER): Delete.
7419 (CONST_OK_FOR_LETTER_P): Delete.
7420 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7421 (EXTRA_CONSTRAINT_Y): Delete.
7422 (EXTRA_CONSTRAINT_STR): Delete.
7423 (CONSTRAINT_LEN): Delete.
7424 (EXTRA_MEMORY_CONSTRAINT): Delete.
7426 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7428 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7429 original fn's eh regions.
7431 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7433 * fold-const.c (build_range_check): Make sure to use a valid type to
7434 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7435 transformation.
7437 (range_predecessor): New static function.
7438 (range_successor): Likewise.
7439 (merge_ranges): Use them to compute predecessors and successors of
7440 range bounds.
7442 2006-03-09 Roger Sayle <roger@eyesopen.com>
7444 PR middle-end/26561
7445 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7446 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7448 2006-03-08 DJ Delorie <dj@redhat.com>
7450 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7451 (addpsi3): Expand to include memory operands. Remove
7452 reload-specific splits.
7453 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7454 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7455 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7456 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7457 (shift1_qi, shift1_hi, insv): New.
7458 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7459 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7460 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7461 cond_to_int): New.
7462 * config/m32c/m32c-protos.h: Update as needed.
7463 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7464 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7465 Fail for unrecognized R* constraints.
7466 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7467 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7468 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7469 Add Sp constraint.
7470 (m32c_init_libfuncs): New.
7471 (m32c_legitimate_address_p): Add debug wrapper.
7472 (m32c_rtx_costs): New.
7473 (m32c_address_cost): New.
7474 (conversions): Add 'B' prefix.
7475 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7476 operands, or word regnames for QI operands. 'B' prints bit
7477 position.
7478 (m32c_expand_setmemhi): New.
7479 (m32c_expand_movmemhi): New.
7480 (m32c_expand_movstr): New.
7481 (m32c_expand_cmpstr): New.
7482 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7483 (m32c_expand_neg_mulpsi3): Handle non-ints.
7484 (m32c_cmp_flg_0): New.
7485 (m32c_expand_movcc): New.
7486 (m32c_expand_insv): New.
7487 (m32c_scc_pattern): New.
7488 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7489 a0/a1 out of SIregs.
7490 (STORE_FLAG_VALUE): New.
7491 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7492 code macros.
7493 (no_insn): New.
7494 * config/m32c/mov.md: Make constraints more liberal.
7495 (zero_extendqihi2): Optimize r0/r1 case.
7496 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7497 * config/m32c/predicates.md (m32c_any_operand): New.
7498 (m32c_nonimmediate_operand): New.
7499 (m32c_hl_operand): New.
7500 (m32c_r3_operand): New.
7501 (ap_operand): New.
7502 (ma_operand): New.
7503 (memsym_operand): New.
7504 (memimmed_operand): New.
7505 (a_qi_operand): New.
7506 (m32c_eqne_operator): New.
7507 (m32c_1bit8_operand): New.
7508 (m32c_1bit16_operand): New.
7509 (m32c_1mask8_operand): New.
7510 (m32c_1mask16_operand): New.
7511 * config/m32c/blkmov.md: New file.
7512 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7514 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7516 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7517 unsigned to fix signed/unsigned comparison issue in
7518 DWARF2_FRAME_REG_OUT.
7519 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7520 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7522 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7523 of ptr into the ENABLE_CHECKING section.
7525 2006-03-08 Jeff Law <law@redhat.com>
7527 * tree-vrp.c (infer_value_range): Only count pointer uses
7528 and dereferences if -fdelete-null-pointer-checks is enabled.
7530 * tree-vrp.c (find_assert_locations): Infer value ranges for
7531 single use pointers, but do not create ASSERT_EXPRs for them.
7532 When a non-null range is inferred for a pointer, backwards
7533 propagate that range to other equivalent pointers through the
7534 use-def chain.
7536 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7538 PR bootstrap/26500
7539 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7540 language hook targets.
7541 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7542 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7543 if language hook targets were missing.
7545 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7547 * tree-ssa-opfinalize.h: Removed.
7548 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7549 dependency.
7550 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7551 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7552 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7553 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7554 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7555 finalize_ssa_v_must_def_ops): New.
7557 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7559 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7560 block as parameter.
7562 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7564 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7566 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7567 addresses with offsets; reorganize.
7569 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7570 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7571 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7573 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7575 PR target/26588
7576 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7578 2006-03-08 Ben Elliston <bje@au.ibm.com>
7580 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7582 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7584 PR gomp/26238
7585 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7586 expansion.
7588 2006-03-07 Richard Guenther <rguenther@suse.de>
7590 PR tree-optimization/26587
7591 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7593 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7595 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7597 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7599 * hooks.c (hook_bool_mode_rtx_true): New function.
7600 * hooks.h (hook_bool_mode_rtx_true): Declare.
7601 * toplev.c (compile_file): Call output_shared_constant_pool.
7602 * varasm.c (shared_constant_pool): New variable.
7603 (assemble_start_function, assemble_end_function): Remove arguments
7604 from call to output_constant_pool.
7605 (create_constant_pool): New function, split out from...
7606 (init_varasm_status): ...here.
7607 (force_const_mem): Choose between the shared and per-function constant
7608 pools. Set current_function_uses_const_pool when reusing old entries
7609 as well as when creating new ones.
7610 (mark_constant): Ignore data argument.
7611 (mark_constants): Remove pool argument.
7612 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7613 to decide whether the function uses a constant pool.
7614 (output_constant_pool_contents): New function, split out from...
7615 (output_constant_pool): ...here.
7616 (output_shared_constant_pool): New function.
7617 (init_varasm_once): Initialize shared_constant_pool.
7618 * output.h (output_constant_pool): Delete.
7619 (output_shared_constant_pool): Declare.
7620 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7621 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7623 2006-03-06 Nick Clifton <nickc@redhat.com>
7625 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7626 flag_strength_reduce.
7628 2006-03-06 Ben Elliston <bje@au.ibm.com>
7630 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7631 x86_64-*-linux* configurations.
7633 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7634 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7636 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7638 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7639 Remove.
7640 * basic-block.h: Remove the extern for
7641 rediscover_loops_after_threading.
7643 * cfgloop.c (cancel_loop): Make it static.
7644 * cfgloop.h: Remove the prototype for cancel_loop.
7646 * flow.c (recompute_reg_usage): Make it static.
7647 * rtl.h: Remove the prototype for recompute_reg_usage.
7649 * function.c (use_return_register): Make it static.
7650 * function.h: Remove the prototype.
7652 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7654 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7655 Remove.
7656 * recog.h: Remove the prototype for
7657 validate_change_maybe_volatile.
7659 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7661 * rtlanal.c (replace_reg): Remove.
7662 * rtl.h: Remove the prototype for replace_reg.
7664 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7666 * regclass.c (reg_scan_update): Remove.
7667 (reg_scan_mark_refs): Remove the last argument.
7668 * rtl.h: Remove the prototype for reg_scan_update.
7670 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7672 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7673 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7674 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7675 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7676 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7677 loop-invariant.c, omp-low.c, opts.c, passes.c,
7678 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7679 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7680 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7681 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7682 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7683 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7685 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7687 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7688 * dwarf2out.h: Remove the prototype for
7689 dwarf2out_add_library_unit_info.
7691 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7693 * tree.c (add_var_to_bind_expr): Remove.
7694 * tree.h: Remove the prototype for add_var_to_bind_expr.
7696 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7698 * regclass.c (n_non_fixed_regs): Remove.
7699 (init_reg_sets_1, globalize_reg): Remove all uses of
7700 n_non_fixed_regs.
7701 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7703 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7705 * rtlanal.c (insns_safe_to_move_p): Remove.
7706 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7708 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7710 * expmed.c (expand_mult_add): Remove.
7711 * expr.h: Remove the prototype for expand_mult_add.
7713 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7715 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7716 and REG_SAVED_VAL_EXP constants.
7717 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7718 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7719 Handle regs stored by value.
7720 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7721 (execute_cfa_program): Handle DW_CFA_val_offset,
7722 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7723 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7724 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7725 (uw_install_context_1): Handle target regs stored by value.
7727 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7729 * tree-sra.c (tree_sra): Return todoflags;
7730 (generate_one_element): Set TODO_update_smt_usage if needed.
7731 (pass_sra): Remove TODO_update_smt_usage.
7732 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7733 parameter.
7734 (tree_ssa_forward_propagate_single_use_vars): Return
7735 TODO_update_smt_usage if we need to update SMT usage.
7736 (pass_forwprop): Remove TODO_update_smt_usage.
7738 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7740 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7741 (correct_use_link): Remove reference to get_stmt_operands.
7742 (update_stmt_operands): Likewise.
7743 (get_modify_expr_operands): New function factored out of
7744 parse_ssa_operands and get_expr_operands.
7745 Try to create V_MUST_DEFs for LHS by default.
7746 (get_expr_operands) <case MODIFY_EXPR>: Call
7747 get_modify_expr_operands.
7748 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7749 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7750 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7751 get_modify_expr_operands.
7753 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7755 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7756 * tree-flow.h: Remove the prototype for
7757 referenced_var_lookup_if_exists.
7759 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7761 PR rtl-optimization/26345
7762 PR target/19061
7763 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7765 2006-03-03 Roger Sayle <roger@eyesopen.com>
7767 PR tree-optimization/26524
7768 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7769 fold_convert to create a constant of the appropriate type.
7771 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7773 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7774 SYMBOL_REF_IN_BLOCK_P.
7775 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7776 of SYMBOL_FLAG_IN_BLOCK.
7777 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7778 instead of SYMBOL_REF_IN_BLOCK_P.
7779 * explow.c (use_anchored_address): Likewise.
7780 * rtl.c (rtx_size): Likewise.
7781 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7782 instead of SYMBOL_FLAG_IN_BLOCK.
7783 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7784 SYMBOL_REF_IN_BLOCK_P.
7785 (assemble_variable): Likewise.
7786 (output_constant_def_contents): Likewise.
7787 (output_constant_pool): Likewise.
7788 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7789 instead of SYMBOL_FLAG_IN_BLOCK.
7790 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7791 SYMBOL_REF_IN_BLOCK_P.
7792 (SYMBOL_REF_BLOCK): Likewise.
7793 (SYMBOL_REF_OFFSET): Likewise.
7794 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7795 SYMBOL_REF_IN_BLOCK_P.
7796 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7797 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7798 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7799 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7801 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7803 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7805 2006-03-02 Roger Sayle <roger@eyesopen.com>
7807 * simplify-rtx.c (simplify_unary_operation): When simplifying
7808 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7809 that we perform the right shift in the appropriate mode, and
7810 then extend or truncate the result to requested mode.
7812 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7814 * gengtype.c (main): Handle double_int type.
7815 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7816 * double-int.c: New file.
7817 * double-int.h: New file.
7818 * system.h: Include doubleint.h.
7819 * Makefile.in (SYSTEM_H): Include double-int.h.
7820 (double-int.o): Add.
7822 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
7824 PR bootstrap/26478
7825 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7826 copying over it.
7828 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7830 * tree-vrp.c (remove_range_assertions): Do not update statements
7831 unnecessarily.
7833 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7835 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
7836 cleanup.
7837 * gcse.c (rest_of_handle_gcse): Ditto.
7838 * except.c (gate_handle_eh): Ditto.
7839 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
7840 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
7842 2006-03-02 Eric Christopher <echristo@apple.com>
7844 * config/i386/i386.c (machopic_output_stub): Add indirection to
7845 jump.
7847 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
7849 * loop.c: Removed.
7851 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
7853 Sun Niagara specific optimizations.
7854 * config.gcc: Recognize niagara as target.
7855 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
7856 (TARGET_CPU_niagara): Define.
7857 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
7858 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
7859 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7860 (ASM_CPU_SPEC): Likewise.
7861 (PROCESSOR_NIAGARA): New enum entry.
7862 (REGISTER_MOVE_COST): Handle Niagara.
7863 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
7864 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
7865 (sparc_override_options): Recognize "niagara", set appropriate
7866 default MASK_* values for it, and align functions to 32-bytes
7867 by default just like ULTRASPARC/ULTRASPARC3.
7868 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
7869 (sparc64_initialize_trampoline): Likewise.
7870 (sparc_use_sched_lookahead): Use zero for niagara.
7871 (sparc_issue_rate): Use one for niagara.
7872 * config/sparc/niagara.md: New file.
7873 * config/sparc/sparc.md: Include it.
7874 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
7875 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
7876 when default cpu is niagara.
7877 (CPP_CPU_SPEC): Handle -mcpu=niagara.
7878 (ASM_CPU_SPEC): Likewise.
7879 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
7880 when default cpu is niagara.
7881 (ASM_CPU_SPEC): Handle -mcpu=niagara.
7882 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
7883 just like v9/ultrasparc/ultrasparc3.
7884 * doc/invoke.texi: Add documentation for "niagara" and improve
7885 existing documentation for ultrasparc variants.
7887 2006-03-02 Diego Novillo <dnovillo@redhat.com>
7889 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
7891 2006-03-02 Richard Sandiford <richard@codesourcery.com>
7893 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
7894 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
7895 and say that only one is needed.
7896 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
7897 * target.h (have_switchable_bss_sections): New hook.
7898 * explow.c (use_anchored_address): Check that the symbol is in a block.
7899 * varasm.c (tls_comm_section, comm_section, lcomm_section)
7900 (bss_noswitch_section): New variables.
7901 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
7902 (get_noswitch_section): New function.
7903 (get_block_for_section): Allow SECT to be null.
7904 (unlikely_text_section_p): Use SECTION_STYLE.
7905 (bss_initializer_p): New function.
7906 (get_variable_section): Move earlier in file. Take a new argument,
7907 prefer_noswitch_p. Move bss checks from assemble_variable to here.
7908 Return one of the new *_sections in such cases.
7909 (get_block_for_decl): New function, extracting some logic from
7910 use_blocks_for_decl_p.
7911 (change_symbol_section): Remove in favor of...
7912 (change_symbol_block): ...this new function.
7913 (use_blocks_for_decl_p): Remove checks now performed by
7914 get_block_for_decl.
7915 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
7916 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
7917 (emit_local, emit_bss, emit_common): ...these new functions.
7918 Return true if the alignment was honored.
7919 (emit_tls_common): New function.
7920 (asm_emit_uninitialised): Delete.
7921 (assemble_variable_noswitch): New function, split out from...
7922 (assemble_variable): ...here. Don't make decisions about common
7923 variables here. Globalize all public decls that go into non-common
7924 sections. Check whether SYMBOL_REF_BLOCK is null.
7925 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
7926 (output_constant_pool): Likewise.
7927 (init_varasm_once): Initialize the new section variables.
7928 (have_global_bss_p): New function.
7929 (categorize_decl_for_section): Use bss_initializer_p.
7930 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
7931 (place_block_symbol): Assert that the symbol must be in a block.
7932 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
7933 (TARGET_INITIALIZER): Include it.
7934 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
7935 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
7936 (SECTION_MACH_DEP): Bump by two.
7937 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
7938 (unnamed_section): Mention SECTION_UNNAMED in comment.
7939 (named_section): Likewise SECTION_NAMED.
7940 (noswitch_section_callback): New type.
7941 (noswitch_section): New structure.
7942 (section): Add a noswitch_section alternative.
7943 (SECTION_STYLE): New macro.
7944 (tls_comm_section, comm_section, lcomm_section): Declare.
7945 (bss_noswitch_section, have_global_bss_p): Declare.
7946 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7947 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7948 Override.
7949 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
7950 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
7951 Override.
7953 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
7955 * tree-vrp.c (execute_vrp): Return value.
7956 * regrename.c (rest_of_handle_regrename): Ditto.
7957 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
7958 * tree-complex.c (tree_lower_complex): Ditto.
7959 (tree_lower_complex_O0): Ditto.
7960 * tracer.c (rest_of_handle_tracer): Ditto.
7961 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
7962 * postreload.c (rest_of_handle_postreload): Ditto.
7963 * tree-tailcall.c (execute_tail_recursion): Ditto.
7964 (execute_tail_calls): Ditto.
7965 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7966 * tree.h (init_function_for_compilation): Ditto.
7967 * ipa-cp.c (ipcp_driver): Ditto.
7968 * tree-scalar-evolution.c (scev_const_prop): Ditto.
7969 * tree-scalar-evolution.h (scev_const_prop): Ditto.
7970 * final.c (compute_alignments): Ditto.
7971 (rest_of_handle_final): Ditto.
7972 (rest_of_handle_shorten_branches): Ditto.
7973 (rest_of_clean_state): Ditto.
7974 * omp-low.c (execute_expand_omp): Ditto.
7975 (execute_lower_omp): Ditto.
7976 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
7977 * ipa-reference.c (static_execute): Ditto.
7978 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
7979 * reorg.c (rest_of_handle_delay_slots): Ditto.
7980 (rest_of_handle_machine_reorg): Ditto.
7981 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
7982 * flow.c (recompute_reg_usage): Ditto.
7983 (rest_of_handle_remove_death_notes): Ditto.
7984 (rest_of_handle_life): Ditto.
7985 (rest_of_handle_flow2): Ditto.
7986 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
7987 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
7988 (do_ssa_store_ccp): Ditto.
7989 (execute_fold_all_builtins): Ditto.
7990 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
7991 * modulo-sched.c (rest_of_handle_sms): Ditto.
7992 * ipa-pure-const.c (static_execute): Ditto.
7993 * cse.c (rest_of_handle_cse): Ditto.
7994 (rest_of_handle_cse2): Ditto.
7995 * web.c (rest_of_handle_web): Ditto.
7996 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
7997 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
7998 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
7999 * tree-nrv.c (tree_nrv): Ditto.
8000 (execute_return_slot_opt): Ditto.
8001 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8002 (create_structure_vars): Ditto.
8003 * loop-init.c (rtl_loop_init): Ditto.
8004 (rtl_loop_done): Ditto.
8005 (rtl_move_loop_invariants): Ditto.
8006 (rtl_unswitch): Ditto.
8007 (rtl_unroll_and_peel_loops): Ditto.
8008 (rtl_doloop): Ditto.
8009 * gimple-low.c (lower_function_body): Ditto.
8010 (mark_used_blocks): Ditto.
8011 * tree-ssa-sink.c (execute_sink_code): Ditto.
8012 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8013 (cgraph_early_inlining): Ditto.
8014 * global.c (rest_of_handle_global_alloc): Ditto.
8015 * jump.c (cleanup_barriers): Ditto.
8016 (purge_line_number_notes): Ditto.
8017 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8018 (rest_of_handle_if_after_reload): Ditto.
8019 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8020 (tree_ssa_loop_im): Ditto.
8021 (tree_ssa_loop_unswitch): Ditto.
8022 (tree_vectorize): Ditto.
8023 (tree_linear_transform): Ditto.
8024 (tree_ssa_loop_ivcanon): Ditto.
8025 (tree_ssa_empty_loop): Ditto.
8026 (tree_ssa_loop_bounds): Ditto.
8027 (tree_complete_unroll): Ditto.
8028 (tree_ssa_loop_prefetch): Ditto.
8029 (tree_ssa_loop_ivopts): Ditto.
8030 (tree_ssa_loop_done): Ditto.
8031 * predict.c (tree_estimate_probability): Ditto.
8032 * recog.c (split_all_insns_noflow): Ditto.
8033 (rest_of_handle_peephole2): Ditto.
8034 (rest_of_handle_split_all_insns): Ditto.
8035 * tree-eh.c (lower_eh_constructs): Ditto.
8036 * regmove.c (rest_of_handle_regmove): Ditto.
8037 (rest_of_handle_stack_adjustments): Ditto.
8038 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8039 * function.c (instantiate_virtual_regs): Ditto.
8040 (init_function_for_compilation): Ditto.
8041 (rest_of_handle_check_leaf_regs): Ditto.
8042 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8043 (rest_of_handle_gcse): Ditto.
8044 * ipa-type-escape.c (type_escape_execute): Ditto.
8045 * alias.c (rest_of_handle_cfg): Ditto.
8046 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8047 * profile.c (rest_of_handle_branch_prob): Ditto.
8048 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8049 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8050 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8051 * tree-dfa.c (find_referenced_vars): Ditto.
8052 * except.c (set_nothrow_function_flags): Ditto.
8053 (convert_to_eh_region_ranges): Ditto.
8054 (rest_of_handle_eh): Ditto.
8055 * emit-rtl.c (unshare_all_rtl): Ditto.
8056 (remove_unnecessary_notes): Ditto.
8057 * except.h (set_nothrow_function_flags): Ditto.
8058 (convert_to_eh_region_ranges): Ditto.
8059 * cfgexpand.c (tree_expand_cfg): Ditto.
8060 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8061 * tree-ssa-pre.c (do_pre): Ditto.
8062 (execute_fre): Ditto.
8063 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8064 (rest_of_handle_jump2): Ditto.
8065 * tree-sra.c (tree_sra): Ditto.
8066 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8067 (execute_mudflap_function_decls): Ditto.
8068 * tree-ssa-copy.c (do_copy_prop): Ditto.
8069 (do_store_copy_prop): Ditto.
8070 * ipa-prop.h (ipcp_driver): Ditto.
8071 * cfglayout.c (insn_locators_initialize): Ditto.
8072 * tree-ssa-forwprop.c
8073 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8074 * cfglayout.h (insn_locators_initialize): Ditto.
8075 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8076 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8077 (execute_late_warn_uninitialized): Ditto.
8078 * rtl.h (cleanup_barriers): Ditto.
8079 (split_all_insns_noflow): Ditto.
8080 (purge_line_number_notes): Ditto.
8081 (unshare_all_rtl): Ditto.
8082 (remove_unnecessary_notes): Ditto.
8083 (recompute_reg_usage): Ditto.
8084 (variable_tracking_main): Ditto.
8085 * integrate.c (emit_initial_value_sets): Ditto.
8086 * integrate.h (emit_initial_value_sets): Ditto.
8087 * tree-optimize.c (execute_free_datastructures): Ditto
8088 (execute_free_cfg_annotations): Ditto.
8089 (execute_fixup_cfg): Ditto.
8090 (execute_cleanup_cfg_pre_ipa): Ditto.
8091 (execute_cleanup_cfg_post_optimizing): Ditto.
8092 (execute_init_datastructures): Ditto.
8093 * tree-object-size.c (compute_object_sizes): Ditto.
8094 * combine.c (rest_of_handle_combine): Ditto.
8095 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8096 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8097 (rest_of_handle_reorder_blocks): Ditto.
8098 (rest_of_handle_partition_blocks): Ditto.
8099 * var-tracking.c (variable_tracking_main): Ditto.
8100 * tree-profile.c (tree_profiling): Ditto.
8101 * tree-vect-generic.c (expand_vector_operations): Ditto.
8102 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8103 * sched-rgn.c (rest_of_handle_sched): Ditto.
8104 (rest_of_handle_sched2): Ditto.
8105 * basic-block.h (free_bb_insn): Ditto.
8106 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8107 * tree-cfg.c (execute_build_cfg): Ditto.
8108 (remove_useless_stmts): Ditto.
8109 (split_critical_edges): Ditto.
8110 (execute_warn_function_return): Ditto.
8111 (execute_warn_function_noreturn): Ditto.
8112 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8113 * cfgrtl.c (free_bb_for_insn): Ditto.
8114 * passes.c (execute_one_pass): Run additional
8115 todos returned by execute function.
8116 * tree-pass.h (struct tree_opt_pass): Make execute
8117 return a value.
8119 2006-03-02 Richard Guenther <rguenther@suse.de>
8121 * tree-ssa-alias.c (find_used_portions): Consider taking
8122 the address as making the variable not write-only.
8124 2006-03-02 Nick Clifton <nickc@redhat.com>
8126 * config.gcc (default_use_cxa_atexit): Extend the description of
8127 this configure variable. Set its default value to "yes" for
8128 Linux, NetBSD and ELF targets on the assumption that they will
8129 use C libraries with the __cxa_atexit function.
8131 2006-03-02 Ben Elliston <bje@au.ibm.com>
8133 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8134 parameter as unused to suppress a build warning.
8136 2006-03-02 Ben Elliston <bje@au.ibm.com>
8138 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8139 config/dfp-bit.c.
8141 2006-03-01 Roger Sayle <roger@eyesopen.com>
8143 PR other/26489
8144 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8145 declared name, the weak reference name, and the typeof name.
8146 (__gthrw): Avoid expanding the declared name suffix.
8147 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8149 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8151 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8152 from DWARF 3.
8153 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8154 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8155 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8156 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8157 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8158 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8159 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8160 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8161 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8162 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8163 (DW_END_default, DW_END_big, DW_END_little): New.
8164 (DW_END_lo_user, DW_END_hi_user): Define.
8165 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8166 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8167 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8168 DW_LANG_D): New.
8170 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8172 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8173 Update all users.
8174 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8175 Update all users.
8176 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8177 Update all users.
8178 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8179 Update all users.
8180 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8181 to 'symbol_mem_tag'.
8182 Update all users.
8183 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8184 rename.
8186 2006-03-01 Roger Sayle <roger@eyesopen.com>
8188 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8190 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8192 PR target/25761
8193 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8194 MACHO_DYNAMIC_NO_PIC_P.
8195 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8197 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8199 PR target/26389
8200 * config/darwin-protos.h (darwin_asm_output_anchor):
8201 Declare.
8202 * config/darwin-sections.def (cstring_section):
8203 Add SECTION_MERGE to the flags.
8204 (literal4_section): Likewise.
8205 (literal8_section): Likewise.
8206 (objc_selector_refs_section): Likewise.
8207 (objc_cls_refs_section): Likewise.
8208 * config/darwin.c (darwin_asm_output_anchor): New
8209 function.
8210 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8212 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8214 Fix PR tree-optimization/26443
8215 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8216 to todo and PROP_tmt_usage to properties_destroyed.
8217 * tree-ssa-ccp.c (pass_ccp): Ditto.
8218 (pass_store_ccp): Ditto.
8219 * tree-ssa-dom.c (pass_dominator): Ditto.
8221 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8223 * tree-ssa-operands.c: Cleanup whitespace.
8224 (get_asm_expr_operands): Move before first invocation.
8225 (get_indirect_ref_operands): Likewise.
8226 (get_tmr_operands): Likewise.
8227 (get_call_expr_operands): Likewise.
8228 (append_def): Likewise.
8229 (append_use): Likewise.
8230 (append_v_may_def): Likewise.
8231 (append_v_must_def): Likewise.
8232 (add_call_clobber_ops): Likewise.
8233 (add_call_read_ops): Likewise.
8234 (add_stmt_operand): Likewise.
8235 (add_virtual_operand): Likewise.
8236 (build_ssa_operands): Likewise.
8238 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8240 PR middle-end/26022
8241 Revert:
8242 PR middle-end/24437
8243 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8244 with a call expr to ...
8245 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8247 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8249 * tree-vrp.c (extract_range_from_assert): Remove special
8250 handling for types with super-types.
8252 2006-03-01 Ben Elliston <bje@au.ibm.com>
8254 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8255 and powerpc64-*-linux* configurations.
8256 * config/t-dfprules: New file.
8258 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8259 Compile dfp-bit.c from the source directory using -DWIDTH and
8260 $DFP_CFLAGS to control the compilation of that file, rather than
8261 generating width-specific versions in the build directory.
8262 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8263 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8265 2006-02-28 Zack Weinberg <zackw@panix.com>
8267 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8268 continues to work.
8270 2006-02-28 Eric Christopher <echristo@apple.com>
8272 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8273 Set up IN_LIBGCC definition of TARGET_64BIT.
8274 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8276 2006-02-28 Roger Sayle <roger@eyesopen.com>
8278 PR middle-end/14752
8279 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8280 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8281 cases via the construction of "expr != 0".
8283 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8285 * alias.c (alias_invariant, alias_invariant_size): Remove.
8286 (record_base_value): Remove.
8287 (memrefs_conflict_p): Don't look at alias_invariant.
8288 (end_alias_analysis): Don't free it.
8289 * alias.h (record_base_value): Remove prototype.
8291 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8292 Adam Nemet <anemet@caviumnetworks.com>
8294 * rtl.h (truncated_to_mode): Declare it.
8295 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8296 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8297 (RTL_HOOKS_INITIALIZER): Include it.
8298 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8299 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8300 reg_truncated_to_mode.
8301 * rtlanal.c (truncated_to_mode): Define it.
8302 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8304 2006-02-28 Jeff Law <law@redhat.com>
8306 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8307 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8308 the range allowed by TYPE_PRECISION.
8310 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8312 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8314 PR tree-optimization/26419
8315 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8316 values of n.
8318 2006-02-27 Zack Weinberg <zackw@panix.com>
8320 * doc/md.texi: Fix typo in previous change.
8322 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8324 * df.c: Remove.
8326 2006-02-27 Zack Weinberg <zackw@panix.com>
8328 * rtl.def (define_constraint, define_register_constraint)
8329 (define_memory_constraint, define_address_constraint): New MD forms.
8330 * gensupport.c (process_rtx): Put define_constraint etc on the
8331 predicate queue.
8332 * genpreds.c (process_define_predicate): Adjust comment. Validate
8333 the name, and call validate_exp to validate the expression.
8334 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8335 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8336 all callers changed.
8337 (validate_exp, needs_variable, struct constraint_data)
8338 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8339 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8340 (const_dbl_constraints, constraint_max_namelen)
8341 (have_register_constraints, have_memory_constraints)
8342 (have_address_constraints, have_address_constraints)
8343 (have_extra_constraints, have_const_int_constraints)
8344 (have_const_dbl_constraints, mangle, add_constraint)
8345 (process_define_constraint, process_define_register_constraint)
8346 (write_enum_constraint_num, write_lookup_constraint)
8347 (write_insn_constraint_len, write_regclass_for_constraint)
8348 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8349 (write_insn_extra_memory_constraint)
8350 (write_insn_extra_address_constraint)
8351 (write_satisfies_constraint_fns): New.
8352 (write_tm_preds_h): If we have new-style constraint definitions,
8353 prototype the functions generated from them, and define the
8354 old constraint interface (still used by generic code) in terms of
8355 those functions.
8356 (write_insn_preds_c): If we have new-style constraint definitions,
8357 generate all relevant functions from those definitions.
8358 (main): Handle define_constraint etc.
8359 * genoutput.c (struct constraint_data, indep_constraints)
8360 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8361 (mdep_constraint_len): New data structures and functions, defined
8362 #ifdef USE_MD_CONSTRAINTS.
8363 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8364 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8365 use new logic to validate operand constraints against constraint
8366 definitions.
8367 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8368 defined.
8369 * defaults.h: If none of the old-style constraint macros are
8370 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8371 old-style macros; and poison REG_CLASS_FROM_LETTER,
8372 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8373 EXTRA_CONSTRAINT.
8374 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8375 * doc/md.texi: Document new constraint-definition mechanism and the
8376 C interface it provides. Remove references to old mechanism
8377 elsewhere in the document.
8378 (Machine Constraints): Use pathnames relative to gcc directory,
8379 i.e. config/ARCH/FILE. Change i386 section to refer to
8380 config/i386/predicates.md; update that section to match docstrings.
8381 * doc/tm.texi: Move all documentation of the old constraint-
8382 definition macros to their own section, clearly mark as obsolete.
8384 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8385 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8386 definitions.
8387 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8388 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8389 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8390 constraint strings.
8391 (splits and peepholes): Use satisfies_constraint_*.
8392 * config/i386/i386.c (memory_address_length)
8393 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8395 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8397 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8398 scalar operation to be put back into the loop.
8400 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8402 PR other/26208
8403 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8404 (extract_cie_info): Handle S flag in augmentation string.
8405 (execute_cfa_program): If context->signal_frame, execute also
8406 fs->pc == context->ra instructions.
8407 (uw_frame_state_for): If context->signal_frame, don't subtract one
8408 from context->ra to find FDE.
8409 (uw_update_context_1): Set context->signal_frame to
8410 fs->signal_frame.
8411 (_Unwind_GetIPInfo): New function.
8412 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8413 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8414 of _Unwind_GetIP.
8415 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8416 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8417 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8418 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8419 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8420 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8421 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8422 x86_64_fallback_frame_state): Set fs->signal_frame.
8423 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8424 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8425 (frob_update_context): Likewise. Workaround missing S flag in
8426 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8427 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8428 Remove the psw_addr + 1 hack.
8430 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8432 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8433 with aggregates here.
8434 (find_func_aliases): Remove code for &<aggregate> from here.
8436 2006-02-26 Roger Sayle <roger@eyesopen.com>
8438 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8439 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8440 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8441 as (X & C) ne/eq 0.
8443 2006-02-26 Roger Sayle <roger@eyesopen.com>
8445 PR middle-end/19983
8446 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8448 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8450 * opts.c (decode_options): Do not handle flag_strength_reduce.
8451 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8452 and OPT_fstrength_reduce.
8453 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8454 flag_prefetch_loop_arrays for being nonzero.
8455 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8456 no-ops.
8457 (fprefetch-loop-arrays-rtl): Removed.
8458 (flag_prefetch_loop_arrays): Do not specify the value.
8460 * doc/passes.texi: Update documentation of loop optimizer
8461 passes.
8462 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8463 -frerun-loop-opt): Remove.
8465 2006-02-26 Richard Guenther <rguenther@suse.de>
8467 PR tree-optimization/26421
8468 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8469 in function calls that are ADDR_EXPRs as using the whole structure.
8471 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8473 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8474 * tree-pass.h (pass_loop_optimize): Remove.
8475 * passes.c (pass_loop_optimize): Never run it.
8476 * toplev.c (backend_init): Don't call init_loop.
8477 * opts.c (flag_loop_optimize_set): Remove.
8478 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8479 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8480 the old RTL loop optimizer when profiling enabled.
8481 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8482 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8483 pre-headers for the sake of the old RTL loop optimizer.
8484 * Makefile.in: Remove all references to loop.o.
8486 * doc/invoke.texi: Remove all references to -floop-optimize
8487 and -frerun-loop-opt.
8489 2006-02-26 Zack Weinberg <zackw@panix.com>
8491 * doc/md.texi (Machine Constraints): Refer to all files with paths
8492 relative to gcc directory (i.e. config/CPU/file). Add missing
8493 @table @code ... @end table to M32C subsection.
8495 2006-02-26 Roger Sayle <roger@eyesopen.com>
8497 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8498 (X & 1) == 0.
8499 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8501 2006-02-26 Roger Sayle <roger@eyesopen.com>
8502 James A. Morrison <phython@gcc.gnu.org>
8504 PR middle-end/21137
8505 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8506 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8507 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8508 signedness of the shift operation.
8510 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8512 PR tree-optimization/26359
8513 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8515 2006-02-25 Roger Sayle <roger@eyesopen.com>
8517 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8518 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8519 as X == 0, and some symmetry related transformations.
8520 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8522 2006-02-25 Roger Sayle <roger@eyesopen.com>
8524 PR middle-end/23673
8525 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8526 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8527 symmetry related transformations. Fold (X^C1) == C2 as
8528 X == (C1^C2).
8530 2006-02-25 Juergen Weigert <jw@suse.de>
8531 Richard Guenther <rguenther@suse.de>
8533 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8535 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8537 * combine.c (gen_lowpart_or_truncate): Call
8538 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8540 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8542 * doc/invoke.texi: Move -fopenmp description to "Options for
8543 Code Generation".
8544 Remove reference to -lgomp.
8546 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8548 * doc/install.texi: Require GNU tar version 1.14.
8550 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8552 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8553 * doc/invoke.texi (C++ Dialect Options): Document
8554 -fno-use-cxa-get-exception-ptr.
8555 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8556 * configure: Regenerate.
8557 * c.opt (fuse-cxa-get-exception-ptr): New.
8558 * c-opts.c (c_common_handle_option): Handle
8559 OPT_fuse_cxa_get_exception_ptr.
8560 * c-common.c (flag_use_cxa_atexit): Update documentation.
8561 (flag_use_cxa_get_exception_ptr): New.
8562 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8563 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8564 documentation.
8565 (C_COMMON_OVERRIDE_OPTIONS): New.
8567 2006-02-24 Roger Sayle <roger@eyesopen.com>
8569 PR middle-end/24952
8570 * combine.c (try_combine): Explicitly check whether GET_CODE is
8571 a SET or a CLOBBER, instead on checking that it isn't a USE.
8573 2006-02-24 Roger Sayle <roger@eyesopen.com>
8575 * fold-const.c (fold_comparison): New subroutine of fold_binary
8576 containing transformations common to both the equality and
8577 ordering relational operators, factored out of fold_binary.
8578 (fold_binary): Separate out the equality operators (EQ_EXPR
8579 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8580 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8581 transformations common to both.
8582 (fold_div_compare): Fix latent bugs in the previously unreachable
8583 LT_EXPR and GE_EXPR cases.
8585 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8587 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8588 decl libname for clog to __clog on AIX.
8590 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8592 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8594 PR target/26453
8595 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8596 output traceback table for thunks. Localise rs6000_stack_info call.
8598 2006-02-23 Roger Sayle <roger@eyesopen.com>
8599 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8601 * gthr-posix.h (__gthrw): Fix typo in comment.
8603 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8605 * doc/cpp.texi (Character sets): Document that we do support
8606 input files to be in any character set.
8608 2006-02-23 Jeff Law <law@redhat.com>
8610 * tree.h (PHI_ARG_NONZERO): Remove.
8611 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8612 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8613 node to the new node.
8615 PR tree-optimization/26425
8616 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8617 min/max, then assume its varying.
8619 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8621 PR rtl-optimization/26316
8622 * rtlanal.c (enum may_trap_p_flags): New.
8623 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8624 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8625 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8626 (may_trap_after_code_motion_p): New function.
8627 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8628 (find_invariant_insn): Use may_trap_after_code_motion_p.
8629 * rtl.h (may_trap_after_code_motion_p): Declare.
8631 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8633 * emit-rtl.c (immed_double_const): Cleanup.
8635 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8637 Fix PR tree-optimization/26376
8638 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8639 remove assert.
8641 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8643 PR middle-end/26412
8644 * gimplify.c (omp_add_variable): Guard variable size decl test with
8645 DECL_SIZE (decl) check.
8647 2006-02-23 Richard Guenther <rguenther@suse.de>
8649 PR middle-end/26439
8650 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8651 like aggregate types.
8653 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8655 * configure.ac: Add --with{,out}-long-double-128 configure option.
8656 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8657 * configure: Rebuilt.
8658 * config.in: Rebuilt.
8659 * doc/install.texi (Options specification): Document
8660 --with-long-double-128.
8662 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8663 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8664 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8665 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8667 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8669 * config/s390/s390.c (override_options): Handle
8670 TARGET_DEFAULT_LONG_DOUBLE_128.
8672 * config/alpha/alpha.c (override_options): Handle
8673 TARGET_DEFAULT_LONG_DOUBLE_128.
8675 * config/sparc/sparc.c (sparc_override_options): Handle
8676 TARGET_DEFAULT_LONG_DOUBLE_128.
8678 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8680 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8681 (real-install-headers-tar, real-install-headers-cpio)
8682 (real-install-headers-cp): New targets.
8684 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8686 * tree.h (variable_section): Delete.
8687 * varasm.c (variable_section): Delete.
8689 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8691 * install.texi: Add notes on install.texi2html.
8692 (Building in parallel): Do not use footnotes.
8694 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8696 PR libgomp/26234
8697 * doc/install.texi (Configuration): Document --disable-libgomp.
8699 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8701 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8703 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8705 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8706 (vec_extractv2df_0_sse): New.
8708 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8710 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8711 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8712 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8713 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8714 to the result of the expression.
8715 (def_cfa_1): Adjust.
8716 (frame_pointer_cfa_offset): Rename to...
8717 (frame_pointer_fb_offset): ... this. Adjust all uses.
8718 (convert_cfa_to_loc_list): Rename to...
8719 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8720 Pass it on to build_cfa_loc.
8721 (compute_frame_pointer_to_cfa_displacement): Rename to...
8722 (compute_frame_pointer_to_fb_displacement): ... this. New
8723 offset parameter. Use it in computation.
8724 (gen_subprogram_die): Compute cfa_fb_offset with the new
8725 macro, and use it to compute the fb loc list and the
8726 displacement.
8728 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8730 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8731 replaced with register_operand.
8732 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8733 non-DREG is expensive.
8734 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8735 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8736 involving memory.
8738 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8740 * doc/install.texi2html: Use set -e.
8742 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8744 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8745 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8746 * doc/invoke.texi (-fshared-data): Delete.
8747 * common.opt (fshared-data): Delete.
8748 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8749 (assemble_static_space): Remove #if 0 code.
8750 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8751 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8752 * config/cris/cris.h: Remove FIXME.
8754 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8756 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8757 hooks.
8759 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8761 PR middle-end/26379
8762 * combine.c (simplify_shift_const_1): Disable nested shifts
8763 optimization for vector shifts.
8765 2006-02-20 Roger Sayle <roger@eyesopen.com>
8767 PR tree-optimization/26361
8768 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8769 of unsigned integer types.
8771 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8773 * tree-chrec.c (eq_evolutions_p): New.
8774 * tree-chrec.h (eq_evolutions_p): Declared.
8775 * tree-data-ref.c: Fix formatting.
8776 (datadep_stats, dependence_stats): New.
8777 (gcd): Moved...
8778 (print_direction_vector): New.
8779 (dump_data_dependence_relation): Use print_direction_vector.
8780 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8781 (compute_subscript_distance): Static.
8782 (initialize_data_dependence_relation): Static. Get the number
8783 of loops surrounding the references from the callers, and initialize
8784 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8785 base_object_differ_p analyzers.
8786 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8787 compute_overlap_steps_for_affine_1_2,
8788 analyze_subscript_affine_affine): Count the classified dependences.
8789 Print a message when a test failed.
8790 (can_use_analyze_subscript_affine_affine): New.
8791 (analyze_siv_subscript): Compute the data dependences on symbolic
8792 scevs that verify can_use_analyze_subscript_affine_affine.
8793 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8794 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8795 Handle symbolic scevs.
8796 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8797 analyzed.
8798 (subscript_dependence_tester): Moved...
8799 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8800 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8801 DDR_SIZE_VECT instead of getting it in parameter.
8802 (subscript_dependence_tester): ... here. Take as a parameter
8803 loop_nest_depth. Call build_classic_dist_vector and
8804 build_classic_dir_vector.
8805 (compute_affine_dependence): Update subscript_dependence_tester
8806 parameters. Update datadep_stats counters. Call
8807 compute_subscript_distance.
8808 (compute_self_dependence): Save the dist and dir vectors. Call
8809 compute_subscript_distance.
8810 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8811 (compute_all_dependences): Reorder parameters as they were before
8812 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8813 compute_subscript_distance. Update the use of
8814 compute_affine_dependence and initialize_data_dependence_relation.
8815 (find_data_references_in_loop): Handle COMPONENT_REF.
8816 (compute_data_dependences_for_loop): Initialize dependence_stats.
8817 Don't call build_classic_dist_vector and build_classic_dir_vector.
8818 Update the parameters of initialize_data_dependence_relation and
8819 compute_all_dependences. Print the statistics from datadep_stats.
8820 (analyze_all_data_dependences): Static. Not used until the pass for
8821 checking the data dependences is contributed.
8822 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
8823 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
8824 (initialize_data_dependence_relation, compute_affine_dependence,
8825 analyze_all_data_dependences, compute_subscript_distance): Removed.
8826 (print_direction_vector): New.
8827 * lambda.h (gcd): ... here.
8828 (lambda_vector_gcd): Moved here from gcd_vector.
8829 * lambda-code.c (gcd, gcd_vector): Removed.
8830 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
8831 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
8833 2006-02-20 Diego Novillo <dnovillo@redhat.com>
8835 * ipa-type-escape.c: Tidy some comments and white space.
8836 * tree-ssa-operands.c: Likewise.
8838 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
8840 PR tree-opt/25879
8841 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
8842 (dump_decl_name): Do not walk the decl tree chains.
8843 * tree-pass.h (TDF_CHAIN): Remove.
8845 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8847 * Makefile.in (C): Remove
8848 (PROTO): Remove
8849 (.PHONY): Remove C and PROTO
8851 2006-02-20 Roger Sayle <roger@eyesopen.com>
8853 PR middle-end/26236
8854 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
8855 deprecated CHAR_TYPE tree code.
8857 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8859 * configure.ac (target_list): Add install-info, dvi, html.
8860 * configure: Regenerate.
8862 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
8863 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
8864 treelang/Make-lang.in: Do not use double-colon rules.
8866 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
8868 * tree.h (struct tree_memory_tag): Add is_used_alone member.
8869 (TMT_USED_ALONE): New macro.
8870 * tree-pass.h (PROP_tmt_usage): New property.
8871 (TODO_update_tmt_usage): New todo.
8872 * tree-ssa-alias.c (updating_used_alone): New variable.
8873 (recalculate_used_alone): New function.
8874 (compute_may_aliases): Set updating_used_alone, call
8875 recalculate_used_alone.
8876 * tree-sra.c (pass_sra): Note that this pass destroys
8877 PROP_tmt_usage, and add TODO_update_tmt_usage.
8878 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
8879 * tree-flow.h (updating_used_alone): Prototype.
8880 (recalculate_used_alone): Ditto.
8881 * passes.c (execute_todo): Add code to set updating_used_alone,
8882 and call recalculate.
8883 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
8884 for clobber if used alone, and add assert to verify used_alone
8885 status.
8887 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
8889 * config/s390/s390.c (legitimize_pic_address): Assertions checking
8890 for non tls symbols added.
8891 (legitimize_address): Do nothing for PLUS expressions if one of the
8892 addends is a tls symbol reference.
8894 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
8896 PR bootstrap/25476
8898 * Makefile.in (LDFLAGS): Define from autoconf substitution.
8900 * Makefile.in (BOOTSTRAPPING): New.
8901 (quickstrap): New definition if BOOTSTRAPPING=yes.
8903 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
8904 * configure.ac: Substitute all_selected_languages with the languages
8905 that were configured. For all the other variables except
8906 lang_specs_files, include all the languages in the tree.
8907 * configure: Regenerate.
8909 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
8910 if there is one. Run the commands to run fixincludes in the same
8911 subshell.
8913 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
8914 * doc/install.texi: Document exact conventions for searching target tools.
8915 Document --with-build-time-tools. Document toplevel bootstrap. Document
8916 something more about building an Ada cross-compiler. Don't list GNU Make
8917 requirements which affect all platforms.
8919 2006-02-19 Roger Sayle <roger@eyesopen.com>
8921 PR middle-end/19543
8922 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
8923 only equivalent if the have both the same mode and precision.
8925 2006-02-20 Ben Elliston <bje@au.ibm.com>
8927 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
8929 2006-02-19 Roger Sayle <roger@eyesopen.com>
8930 Steven Bosscher <stevenb.gcc@gmail.com>
8932 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
8933 constant pool references to identify stack mode constants.
8934 * rtlanal.c (constant_pool_constant_p): New predicate to check
8935 whether operand is a floating point constant in the pool.
8936 * rtl.h (constant_pool_constant_p): Prototype here.
8937 * loop.c (scan_loop): Avoid hoisting constants from the constant
8938 pool on STACK_REGS targets.
8939 (load_mems): Likewise.
8940 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
8941 loads into x87 registers expensive in terms of register pressure.
8943 2006-02-19 Roger Sayle <roger@eyesopen.com>
8945 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
8946 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
8948 2006-02-19 David Edelsohn <edelsohn@gnu.org>
8950 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8951 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
8953 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
8955 * doc/invoke.texi: Document -fipa-pta.
8956 * common.opt: Add ipa-pta option.
8957 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
8958 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
8959 (do_ds_constraint): Ditto.
8960 (get_constraint_for): Only add to referenced_vars if
8961 referenced_vars exists.
8962 (insert_into_field_list): Rewrite to do this unsorted.
8963 (insert_into_field_list_sorted): Rename old insert_into_field_list
8964 to this.
8965 (create_function_info_for): Use insert_into_field_list_sorted.
8966 (create_variable_info_for): Rewrite so it uses unsorted version,
8967 since the field list is sorted.
8968 (intra_create_variable_infos): Only add to referenced_vars if
8969 referenced_vars exists.
8970 (ipa_pta_execute): Init heapvars, and delete when done.
8971 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
8973 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8975 * doc/install.texi: Add missing `@samp'.
8977 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8979 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
8980 Use the arguments.
8982 2006-02-18 Mark Wielaard <mark@klomp.org>
8984 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
8985 who added new 4.1 features, bug fixes and integration support.
8987 2006-02-18 David Edelsohn <edelsohn@gnu.org>
8989 PR target/26350
8990 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
8991 MEM for ABI_V4 pic.
8993 2006-02-18 Richard Sandiford <richard@codesourcery.com>
8995 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
8996 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
8997 (copy_insn_1): Likewise. Don't copy each field individually.
8998 Reindent.
8999 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9000 of RTX_SIZE.
9001 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9002 * rtl.c (rtx_size): Rename variable to...
9003 (rtx_code_size): ...this.
9004 (rtx_size): New function.
9005 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9006 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9007 Reindent.
9008 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9009 * rtl.h (rtx_code_size): New variable.
9010 (rtx_size): Change from a variable to a function.
9011 (RTX_SIZE): Rename to...
9012 (RTX_CODE_SIZE): ...this.
9014 PR target/9703
9015 PR tree-optimization/17106
9016 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9017 (Anchored Addresses): New section.
9018 * doc/invoke.texi (-fsection-anchors): Document.
9019 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9020 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9021 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9022 * hooks.c (hook_bool_mode_rtx_false): New function.
9023 * hooks.h (hook_bool_mode_rtx_false): Declare.
9024 * gengtype.c (create_optional_field): New function.
9025 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9026 SYMBOL_REF_IN_BLOCK_P is true.
9027 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9028 (min_anchor_offset, max_anchor_offset): Likewise.
9029 (use_anchors_for_symbol_p): New hook.
9030 * toplev.c (compile_file): Call output_object_blocks.
9031 (target_supports_section_anchors_p): New function.
9032 (process_options): Check that -fsection-anchors is only used on
9033 targets that support it and when -funit-at-a-time is in effect.
9034 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9035 if the decl doesn't have one.
9036 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9037 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9038 of force_const_mem through use_anchored_address.
9039 (expand_expr_constant): New function.
9040 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9041 calling expand_expr for INDIRECT_REF.
9042 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9043 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9044 * expr.h (use_anchored_address): Declare.
9045 * loop-unroll.c: Don't declare rtx vectors here.
9046 * explow.c: Include output.h.
9047 (validize_mem): Call use_anchored_address.
9048 (use_anchored_address): New function.
9049 * common.opt (-fsection-anchors): New switch.
9050 * varasm.c (object_block_htab, anchor_labelno): New variables.
9051 (hash_section, object_block_entry_eq, object_block_entry_hash)
9052 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9053 (use_blocks_for_decl_p, change_symbol_section): New functions.
9054 (get_variable_section): New function, split out from assemble_variable.
9055 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9056 use_blocks_for_decl_p say so. Use change_symbol_section if the
9057 symbol has already been created.
9058 (assemble_variable_contents): New function, split out from...
9059 (assemble_variable): ...here. Don't output any code for
9060 block symbols; just pass them to place_block_symbol.
9061 Use get_variable_section and assemble_variable_contents.
9062 (get_constant_alignment, get_constant_section, get_constant_size): New
9063 functions, split from output_constant_def_contents.
9064 (build_constant_desc): Create a block symbol if use_object_blocks_p
9065 says so. Or into SYMBOL_REF_FLAGS.
9066 (assemble_constant_contents): New function, split from...
9067 (output_constant_def_contents): ...here. Don't output any code
9068 for block symbols; just pass them to place_section_symbol.
9069 Use get_constant_section and get_constant_alignment.
9070 (force_const_mem): Create a block symbol if use_object_blocks_p and
9071 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9072 (output_constant_pool_1): Add an explicit alignment argument.
9073 Don't switch sections here.
9074 (output_constant_pool): Adjust call to output_constant_pool_1.
9075 Switch sections here instead. Don't output anything for block symbols;
9076 just pass them to place_block_symbol.
9077 (init_varasm_once): Initialize object_block_htab.
9078 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9079 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9080 (place_block_symbol, get_section_anchor, output_object_block)
9081 (output_object_block_htab, output_object_blocks): New functions.
9082 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9083 (TARGET_ASM_OUT): Include it.
9084 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9085 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9086 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9087 (TARGET_INITIALIZER): Include them.
9088 * rtl.c (rtl_check_failed_block_symbol): New function.
9089 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9090 (block_symbol, object_block): New structures.
9091 (rtx_def): Add a block_symbol field to the union.
9092 (BLOCK_SYMBOL_CHECK): New macro.
9093 (rtl_check_failed_block_symbol): Declare.
9094 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9095 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9096 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9097 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9098 * output.h (output_section_symbols): Declare.
9099 (object_block): Name structure.
9100 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9101 (default_use_anchors_for_symbol_p): Declare.
9102 * Makefile.in (RTL_BASE_H): Add vec.h.
9103 (explow.o): Depend on output.h.
9104 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9105 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9106 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9107 (rs6000_use_blocks_for_constant_p): New function.
9109 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9111 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9113 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9115 PR tree-opt/25680
9116 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9117 IMAGPART_EXPR.
9119 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9121 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9122 is_aliased.
9123 Update all users.
9125 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9127 PR middle-end/26334
9128 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9129 instead of DECL_REGISTER.
9131 2006-02-18 Olivier Hainque <hainque@adacore.com>
9133 PR ada/13408
9134 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9136 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9138 PR target/24837
9139 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9140 * opth-gen.awk: Handle Var and InverseMask together.
9141 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9142 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9143 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9144 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9145 used together.
9146 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9147 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9148 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9149 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9150 LINUX_DYNAMIC_LINKER): Define.
9151 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9152 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9153 TARGET_GLIBC.
9154 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9155 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9156 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9157 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9158 (TARGET_C99_FUNCTIONS): Don't define.
9159 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9160 GLIBC_DYNAMIC_LINKER.
9161 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9162 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9163 GLIBC_DYNAMIC_LINKER64): Define.
9164 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9165 LINUX_DYNAMIC_LINKER64.
9166 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9167 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9168 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9169 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9170 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9171 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9172 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9173 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9174 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9175 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9176 and LINUX_DYNAMIC_LINKER32.
9177 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9178 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9179 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9180 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9181 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9182 TARGET_GLIBC.
9183 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9184 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9185 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9186 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9187 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9188 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9189 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9190 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9191 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9192 LINUX_DYNAMIC_LINKER): Define.
9193 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9194 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9195 GLIBC_DYNAMIC_LINKER64): Define.
9196 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9197 LINUX_DYNAMIC_LINKER64.
9198 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9199 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9200 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9201 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9202 LINUX_DYNAMIC_LINKER): Define.
9203 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9204 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9205 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9206 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9207 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9208 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9209 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9210 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9211 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9212 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9213 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9214 * doc/invoke.texi (-muclibc): Remove caveat about supported
9215 targets.
9217 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9219 * doc/cpp.texi (__TIMESTAMP__): Document.
9221 2006-02-17 Roger Sayle <roger@eyesopen.com>
9223 PR middle-end/25600
9224 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9225 C is one less than the width of X (and related transformations).
9226 * simplify-rtx.c (simplify_unary_operation_1): Transform
9227 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9228 depending on STORE_FLAG_VALUE, were C is one less then the
9229 width of X.
9231 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9233 Fix PR tree-optimization/26341
9234 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9235 about NAME_MEMORY_TAG's.
9237 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9239 PR target/26255
9240 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9241 with hardware float support, and software float support. Add fcpy
9242 alternative to hardware patterns. Add alternatives to copy between
9243 general and floating-point registers to the 32-bit pattern.
9244 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9245 secondary reload to load a QI or HI mode constant into a floating
9246 point register.
9247 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9248 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9250 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9252 PR target/26272
9253 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9254 pc to the pattern.
9255 (load_macho_picbase_di): Likewise.
9257 2006-02-16 Jeff Law <law@redhat.com>
9259 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9260 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9261 (ssa_name_nonzero_p): Likewise.
9262 (get_value_range): Return NULL if VRP is not running.
9263 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9264 VRP routines do not discover a range.
9265 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9266 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9267 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9268 (tree_expr_nonnegative_p): Similarly.
9269 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9270 (restore_nonzero_vars_to_original_value): Remove.
9271 (unsafe_associative_fp_binop): Remove.
9272 (tree_ssa_dominator_optimize): Remove initialization and
9273 finalization of nonzero_vars and nonzero_vars_stack.
9274 (dom_opt_initialize_block): No longer push marker on
9275 nonzero_vars_stack.
9276 (dom_opt_finalize_block): No longer call
9277 restore_nonzero_vars_to_original_value.
9278 (record_equivalences_from_phis): No longer look for
9279 nonzero PHI arguments.
9280 (cprop_into_successor_phis): No longer propagate nonzero
9281 property into PHI arguments. Lose unused argument. Caller
9282 updated.
9283 (record_equivalences_from_stmt): No longer record nonzero
9284 values for SSA_NAMEs.
9285 (lookup_avail_expr): No longer use nonzero_vars.
9287 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9288 for sizetype when sizetype is unsigned.
9290 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9292 PR rtl-optimization/25603
9293 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9294 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9295 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9296 with new meaning of SETS.
9298 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9300 PR target/20353
9301 PR target/24578
9302 PR target/24837
9303 * config/linux.opt: New file.
9304 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9305 LINUX_DYNAMIC_LINKER): Define.
9306 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9307 * config.gcc (*-*-linux*): Define extra_options.
9308 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9309 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9310 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9311 GLIBC_DYNAMIC_LINKER.
9312 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9313 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9314 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9315 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9316 * doc/invoke.texi (GNU/Linux Options): New section.
9318 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9320 * config/sparc/sparc.md (setjmp): Rewrite.
9321 (setjmp_32): Delete.
9322 (setjmp_64): Likewise.
9324 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9326 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9327 previous change.
9329 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9331 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9332 read-write uses.
9334 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9336 PR rtl-optimization/26296
9337 * Makefile.in (loop-invariant.c): Add except.h dependency.
9338 * loop-invariant.c: Include except.h.
9339 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9341 2005-02-16 Paul Brook <paul@codesourcery.com>
9343 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9344 for reloads.
9346 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9348 PR rtl-optimization/25636
9349 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9350 when deciding whether an insn is an initializing insn.
9352 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9354 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9355 (tree_code_size): Ditto.
9356 * tree.h (struct tree_memory_tag): Remove parent_var.
9357 (struct tree_struct_field_tag): New.
9358 (SFT_OFFSET): New.
9359 (SFT_SIZE): New.
9360 (union tree_node): Add sft member.
9361 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9362 specially here.
9363 (create_sft): Add size and offset argument, set SFT_OFFSET and
9364 SFT_SIZE.
9365 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9366 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9367 * tree-flow-inline.h (get_subvar_at): Update for
9368 SFT_OFFSET/SFT_SIZE.
9369 (var_can_have_subvars): Ditto.
9370 (overlap_subvar): Ditto.
9371 * print-tree.c (print_node): Print out interesting things for
9372 SFT's.
9373 * tree-flow.h (struct subvar): Remove offset and size members.
9374 * tree-ssa-operands.c (get_expr_operands): Update for
9375 get_indirect_ref_operands changes.
9376 (get_indirect_ref_operands): Call add_virtual_operand instead of
9377 add_stmt_operand. Only recurse on base var if requested.
9378 (access_can_touch_variable): New function.
9379 (add_stmt_operand): Split virtual operand handling into ...
9380 (add_virtual_operand): Here. Add offset, size, and for_clobber
9381 arguments. Prune alias sets.
9382 (add_call_clobber_ops): Call add_virtual_operand.
9384 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9386 PR middle-end/26300
9387 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9389 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9390 than TREE_CODE as index into omp_clause_num_ops array.
9392 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9394 PR rtl-optimization/26184
9395 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9396 uses_of_defs.
9397 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9398 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9399 must_precede, must_follow and tobe_scheduled.
9401 PR other/26147
9402 * opts.c (common_handle_option): Free new_option pointer.
9403 * df-core.c (df_analyze): Free postorder pointer.
9405 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9407 * Makefile.in: Fix the examples about the use of stamps
9409 2006-02-15 Michael Matz <matz@suse.de>
9411 PR middle-end/22275
9413 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9414 influenced by maximum_field_alignment or DECL_PACKED.
9415 (update_alignment_for_field): Ditto.
9416 (place_field): Ditto.
9417 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9418 this behaviour.
9420 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9422 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9423 (debug_flow_info): Pass it.
9424 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9425 * bb-reorder.c (reorder_basic_blocks): Likewise.
9426 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9427 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9428 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9429 * gcse.c (gcse_main, bypass_jumps): Likewise.
9430 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9431 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9432 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9433 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9434 * rtl.h (dump_flow_info): Adjust prototype.
9435 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9436 * var-tracking.c (variable_tracking_main): Likewise.
9437 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9438 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9439 options.
9441 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9443 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9444 construction.
9446 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9448 PR tree-optimization/26209
9449 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9450 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9451 eh edges.
9452 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9454 2006-02-14 Roger Sayle <roger@eyesopen.com>
9456 PR middle-end/23670
9457 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9458 (X,Y) and the corresponding symmetry related transformations.
9459 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9460 (X,Y) and its symmetry related transformations.
9462 2006-02-14 Roger Sayle <roger@eyesopen.com>
9464 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9465 and GEU.
9467 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9469 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9471 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9473 PR bootstrap/26053
9474 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9475 support COMDAT group.
9476 * configure: Regenerate.
9478 2006-02-14 Roger Sayle <roger@eyesopen.com>
9480 PR middle-end/26279
9481 PR middle-end/26280
9482 PR middle-end/26283
9483 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9485 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9487 Fix PR tree-optimization/26260
9489 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9490 param.
9491 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9492 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9493 * tree-ssa-structalias.c (create_variable_info_for): Use
9494 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9496 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9498 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9499 Document.
9500 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9501 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9502 of the ending condition.
9503 * tree-ssa-loop-manip.c: Include params.h.
9504 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9505 tree_unroll_loop): New functions.
9506 * tree-pass.h (pass_loop_prefetch): Declare.
9507 * loop.c (rest_of_handle_loop_optimize): Test for
9508 -fprefetch-loop-arrays-rtl.
9509 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9510 * timevar.def (TV_TREE_PREFETCH): New timevar.
9511 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9512 pass_loop_prefetch): New.
9513 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9514 (cleanup_tree_cfg_loop): Call scev_reset.
9515 * common.opt (fprefetch-loop-arrays-rtl): Add.
9516 * tree-ssa-loop-prefetch.c: New file.
9517 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9518 (new_temp_expr_table): Initialize expr_vars.
9519 (free_temp_expr_table): Cleanup expr_vars.
9520 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9521 expressions from being merged into one.
9522 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9523 (struct tree_niter_desc): Add control, bound and cmp fields.
9524 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9525 Declare.
9526 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9527 (tree-cfgcleanup.o): Add SCEV_H dependency.
9528 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9529 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9531 2006-02-14 Richard Guenther <rguenther@suse.de>
9533 PR tree-optimization/26258
9534 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9535 in PHI argument processing.
9537 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9539 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9540 new expression in the requested machine mode.
9542 2006-02-13 Roger Sayle <roger@eyesopen.com>
9544 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9545 directly, instead let do_compare_rtx_and_jump handle this for us.
9546 * expr.c (expand_expr_real_1): Likewise.
9547 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9548 before do_jump_by_parts_greater.
9549 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9550 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9552 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9554 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9556 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9558 PR rtl-optimization/26235
9559 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9560 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9561 format.
9563 2006-02-13 Jeff Law <law@redhat.com>
9565 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9566 TRUTH_XOR_EPR.
9568 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9570 PR middle-end/26092
9571 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9572 twice if decl is a builtin. When trying again, call get_callee_fndecl
9573 first to verify it is still a builtin.
9575 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9577 * dwarf2out.c (base_type_die): Don't add AT_name here.
9578 (subrange_type_die): Don't add AT_name here.
9579 (modified_type_die): Rearrange code flow. Do add AT_name here.
9581 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9583 PR rtl-optimization/26247
9584 PR rtl-optimization/26248
9585 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9587 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9589 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9590 * config/fixtfdi.c: Likewise.
9591 * config/fixunstfdi.c: Likewise.
9592 * config/floatditf.c: Likewise.
9594 2006-02-13 Roger Sayle <roger@eyesopen.com>
9596 PR middle-end/24427
9597 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9598 into (X,C2) if C1 is a subset of the bits of C2. Transform
9599 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9600 (X&(C1&~C2))|C2.
9601 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9603 2006-02-13 Josh Conner <jconner@apple.com>
9605 PR target/25376
9606 * varasm.c (function_section): Check for section name before
9607 calling select_section on targets that define
9608 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9609 unlikely_text_section instead of hot_function_section if
9610 first_function_block_is_cold.
9612 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9614 PR middle-end/25335
9615 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9617 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9619 PR rtl-optimization/26222
9620 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9621 after tree->rtl expansion.
9622 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9623 before passing it to emit_move_insn.
9625 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9627 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9628 default.
9629 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9630 Clarify documentation.
9631 * c-common.h (warn_write_strings): Remove.
9632 * c-common.c (warn_write_strings): Likewise.
9633 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9634 default for C++.
9636 2006-02-12 Roger Sayle <roger@eyesopen.com>
9638 PR middle-end/25724
9639 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9640 (do_jump_parts_zero_rtx): New function renamed from
9641 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9642 (do_jump_parts_equality_rtx): New function split out from
9643 do_jump_parts_equality. Old implementation renamed as above.
9644 Call do_jump_parts_zero_rtx if either operand is zero.
9645 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9646 do all of the heavy lifting.
9647 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9648 calling either do_jump_by_parts_greater_rtx or
9649 do_jump_by_parts_equality_rtx.
9650 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9651 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9652 moved to do_compare_rtx_and_jump, call it directly.
9653 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9654 mode argument. Call do_compare_rtx_and_jump.
9655 (emit_case_nodes): Update calls to do_jump_if_equal.
9657 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9659 PR rtl-optimization/26225
9660 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9662 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9664 PR rtl-optimization/26232
9665 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9667 2006-02-11 Jason Merrill <jason@redhat.com>
9669 PR tree-opt/24365
9670 * tree-inline.c (declare_return_variable): Just don't use the
9671 modify target if it's a gimple complex reg and the return slot
9672 isn't.
9674 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9676 * doc/contrib.texi: Update my entry.
9678 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9680 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9682 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9684 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9685 expensive.
9687 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9689 * doc/invoke.texi (-floop-optimize2): Removed.
9690 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9691 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9692 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9693 * common.opt (floop-optimize2): Removed.
9694 (fmove-loop-invariants): Enabled by default.
9696 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9698 * tree-if-conv.c (combine_blocks): Free the result of
9699 get_loop_exit_edges.
9701 2006-02-10 Jeff Law <law@redhat.com>
9703 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9705 PR tree-optimization/26213
9706 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9707 loop trying to follow SSA_NAME_VALUE chains.
9709 2006-02-10 Richard Guenther <rguenther@suse.de>
9711 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9712 deal with structures that end in implicitly variable sized arrays.
9714 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9716 PR rtl-optimization/24762
9717 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9718 eh edges.
9720 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9722 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9723 (struct ivopts_data): Add regs_used field.
9724 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9725 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9726 instead of loop_data->regs_used;
9727 (free_loop_data): Do not free aux fields for loops.
9728 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9729 and tree_ssa_iv_optimize_finalize.
9731 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9733 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9735 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9737 PR target/26141
9738 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9739 computing the effective result type.
9741 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9743 PR inline-asm/16194
9744 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9745 (tree_overlaps_hard_reg_set): Declare.
9746 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9747 type and signature to match function type expected by walk_tree.
9748 (tree_overlaps_hard_reg_set): New function.
9749 (decl_conflicts_with_clobbers_p): Rename to:
9750 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9751 Use tree_overlaps_hard_reg_set. Changed caller.
9752 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9753 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9754 * cris.c (cris_md_asm_clobbers): Likewise.
9756 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9758 * reload1.c (emit_input_reload_insns): Delete code that tries to
9759 inherit using find_equiv_reg.
9761 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9763 * c-common.h (flag_const_strings): Don't declare.
9764 * c-common.c (flag_const_strings): Remove.
9765 * c.opt (fconst_strings): Remove.
9766 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9767 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9768 (c_common_init_options): Don't set flag_const_strings.
9769 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9771 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9773 * arm.md (tlobits_cbranch): New pattern.
9774 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9775 testing a single bit.
9777 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9779 PR tree-opt/26179
9780 * tree-ssa-pre.c (create_component_ref_by_pieces):
9781 Handle RETURN_DECL like VAR_DECL.
9783 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9785 PR middle-end/26134
9786 * fold-const.c (fold_indirect_ref_1): Fold
9787 "*(foo *)&complexfoo" to "__real__ complexfoo"
9788 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9790 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9792 * tree-flow-inline.h (var_can_have_subvars):
9793 Volatile variables should not have subvariables.
9795 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9797 PR 26180
9798 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9799 multiplying unsigned values.
9800 Tidy comments.
9802 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9804 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9806 2006-02-08 Jason Merrill <jason@redhat.com>
9808 PR c++/25979
9809 * tree.def: Elaborate on difference from MODIFY_EXPR.
9810 * doc/c-tree.texi (INIT_EXPR): Likewise.
9811 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9812 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9813 (gimplify_target_expr): Likewise.
9814 (gimplify_cond_expr): Remove target handling.
9815 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9816 (gimplify_expr): Clobber it here.
9817 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9818 Do return slot optimization if we have an INIT_EXPR.
9820 PR tree-opt/24365
9821 * tree-inline.c (declare_return_variable): Also clear
9822 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
9824 PR c++/16405
9825 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
9827 PR middle-end/22439
9828 * gimplify.c (gimplify_one_sizepos): Fix typo.
9830 2006-02-08 Jeff Law <law@redhat.com>
9832 PR tree-optimization/21417
9833 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
9834 across a backedge if the control statement at the end of the
9835 block is data dependent on other statements in the same block.
9836 (record_temporary_equivalences_from_stmts): Remove over-conservative
9837 test for threading across backedges.
9839 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
9840 control statement, handle all three special cases in the same
9841 manner as they all have the same desired solution. No longer
9842 special case edge flag updating when the post dominator is
9843 the exit block.
9845 2006-02-08 Roger Sayle <roger@eyesopen.com>
9847 * tree.def (CHAR_TYPE): Remove.
9848 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
9849 * dwarf2out.c (base_type_die, is_base_type): Likewise.
9850 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
9851 (gen_string_type_die): Delete unreachable function.
9853 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
9854 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
9855 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
9856 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
9857 * builtins.c (type_to_class): Likewise.
9858 * fold-const.c (fold_convert, build_range_check,
9859 merge_ranges): Likewise.
9860 * expr.c (count_type_elements): Likewise.
9861 * c-pretty-print.c (pp_c_type_specifier): Likewise.
9862 * stor-layout.c (layout_type): Likewise.
9863 * ipa-type-escape.c (type_to_consider): Likewise.
9864 * gimplify.c (omp_firstprivatize_type_sizes,
9865 gimplify_type_sizes): Likewise.
9866 * explow.c (promote_mode): Likewise.
9867 * tree-sra.c (is_sra_scalar_type): Likewise.
9868 * varasm.c (output_constant): Likewise.
9869 * tree-inline.c (remap_type_1): Likewise.
9870 * convert.c (convert_to_pointer, convert_to_real,
9871 convert_to_integer, convert_to_complex): Likewise.
9873 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
9875 * df-scan.c (df_def_record_1): A set destination may
9876 be a parallel regardless of mode.
9878 2006-02-08 Roger Sayle <roger@eyesopen.com>
9880 PR target/22209
9881 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
9882 * config/mips/_tilib.c: Remove.
9883 * config/fixtfdi.c: New libgcc source file.
9884 * config/fixunstfdi.c: New source file.
9885 * config/floatditf.c: New source file.
9886 * config/floatunditf.c: New souce file.
9887 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9888 files above instead of config/mips/_tilib.c.
9889 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9891 2006-02-08 Jeff Law <law@redhat.com>
9893 PR tree-optimization/26169
9894 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
9895 threading jumps.
9897 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
9899 * df.h (DF_REG_SIZE): Return the length of the initialized
9900 part of the array.
9902 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
9904 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
9905 __muldf3): Return a correctly signed zero.
9907 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
9909 * passes.c (register_one_dump_file): Accept the current properties
9910 instead of pass number. Adjust call to dump_register. Remove
9911 duplicated code.
9912 (register_dump_files): Now a wrapper around...
9913 (register_dump_files_1): ... this one. Do not modify the pass
9914 structure.
9915 (next_pass_1): Cosmetic fix.
9916 (execute_todo): Keep second parameter only. Use curr_properties
9917 instead of fetching it from the pass structure. Check and set
9918 last_verified.
9919 (execute_one_pass): Handle TODO_set_props. Use curr_properties
9920 instead of fetching it from the pass structure. Fix calls to
9921 execute_todo. Update curr_properties and initialize .vcg RTL dump
9922 after running the pass. Reset last_verified.
9923 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
9924 at the beginning.
9925 (FIRST_AUTO_NUMBERED_DUMP): New.
9926 (dump_register): Remove "num" parameter, assign it within the
9927 function.
9928 (get_dump_file_name): Modify template for dumps.
9929 * tree-dump.h (dump_register): Adjust prototype.
9930 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
9931 (PROP_trees): Add PROP_gimple_lomp.
9932 (TODO_set_props): New.
9933 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
9934 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
9935 * cfgexpand.c (pass_expand): Destroy PROP_trees.
9937 2006-02-08 Jakub Jelinek <jakub@redhat.com>
9939 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
9940 (sparc64-*-linux*): Likewise.
9941 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
9942 * config/sparc/t-linux: New file.
9943 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
9944 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
9945 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
9946 -m32 -mlong-double-128.
9948 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
9949 * config/alpha/t-linux: New file.
9950 * config/alpha/libgcc-alpha-ldbl.ver: New file.
9952 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
9953 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
9954 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
9955 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
9956 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
9957 (CPP_ARCH32_SPEC): Remove.
9959 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
9961 PR tree-optimization/26145
9962 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
9963 bbs pointer.
9965 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9967 PR target/26109
9968 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
9969 >= 240000 when generating code for SOM runtime.
9970 (output_indirect_call): Don't use "b,l" instruction for indirect calls
9971 to $$dyncall when generating code for SOM runtime..
9973 2006-02-07 Dirk Mueller <dmueller@suse.com>
9975 PR c++/18150
9976 * doc/invoke.texi (-Wsequence-point): Update documentation
9977 that -Wsequence-point is implemented for C++ as well.
9979 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9981 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
9982 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
9983 (LIB_SPEC): Likewise.
9984 * doc/invoke.texi (SPARC options): Document -pthread.
9986 2006-02-07 Geoffrey Keating <geoffk@apple.com>
9988 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
9989 PIC addresses.
9991 2006-02-07 Roger Sayle <roger@eyesopen.com>
9993 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
9994 Correct comment describing BOOLEAN_TYPE.
9996 2006-02-07 Dirk Mueller <dmueller@suse.com>
9998 * c.opt: C++ frontend supports -Wdiv-by-zero.
9999 * c-opts.c (c_common_handle_option): Remove dead case.
10001 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10003 * configure.ac (TLS assembler check): Do not enable TLS by
10004 default on SPARC/Solaris before version 10.
10005 * configure: Regenerate.
10007 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10009 * doc/invoke.texi (xl-compat): Document conversion and support
10010 routine names.
10012 2006-02-07 Jeff Law <law@redhat.com>
10014 * tree-vrp.c (find_conditional_asserts): Update comments.
10015 (simplify_stmt_for_jump_threading): New.
10016 (identify_jump_threads, finalize_jump_threads): New.
10017 (vrp_finalize): Call identify_jump_threads.
10018 (execute_vrp): Call finalize_jump_threads.
10019 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10020 (vrp_element, vrp_data, vrp_element_p): Remove.
10021 (vrp_hash_elt, vrp_variables_stack): Remove.
10022 (vrp_hash, vrp_eq, record_range): Remove.
10023 (simplify_cond_and_lookup_avail_expr): Remove.
10024 (extract_range_from_cond): Remove.
10025 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10026 (simplify_stmt_for_jump_threading): New.
10027 (dom_thread_across_edge): New wrapper.
10028 (tree_ssa_dominator_optimize): No longer initialize or
10029 finalize any of the VRP datastructures. Remove iteration
10030 step and simplify as a result of removal of iteration step.
10031 (pass_dominator): Perform a cfg cleanup after DOM.
10032 (dom_opt_finalize_block): Use the new common routines
10033 for threading jumps. Simplify stack management slightly.
10034 No longer need to unwind VRP state.
10035 (record_equivalences_from_incoming_edge): No longer record
10036 VRP information.
10037 (eliminate_redundant_computations): No longer call
10038 simplify_cond_and_lookup_avail_expr.
10039 * tree-flow.h (potentially_threadable_block): Prototype.
10040 (thread_across_edge): Likewise.
10041 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10042 (tree-ssa-threadedge.o): Add dependencies.
10043 * tree-ssa-threadedge.c: New file.
10044 * passes.c (init_optimization_passes): Merge PHIs before
10045 calling VRP. Run VRP again late in the SSA optimization pipeline.
10047 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10049 * df-core.c (df_set_blocks): Do not dereference function pointers.
10050 (df_finish1): Likewise.
10051 (df_hybrid_search_forward): Likewise.
10052 (df_hybrid_search_backward): Likewise.
10053 (df_iterative_dataflow): Likewise.
10054 (df_analyze_problem): Likewise.
10055 (df_compact_blocks): Likewise.
10056 (df_dump): Likewise.
10057 * df-scan.c (df_rescan_blocks): Likewise.
10058 (df_record_entry_block_defs): Likewise.
10060 * genconditions.c (write_conditions): Guard the definition of
10061 'insn_conditions' with the check on GCC version.
10062 (write_writer): Guard the traversal 'insn_conditions' with
10063 the check on GCC version.
10065 2006-02-07 Richard Guenther <rguenther@suse.de>
10067 PR c++/26140
10068 Revert
10069 2006-01-30 Richard Guenther <rguenther@suse.de>
10070 PR c++/23372
10071 * gimplify.c (gimplify_target_expr): Handle easy cases
10072 without creating a temporary.
10074 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10076 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10077 use of float in probability computations. Use edge probabilities
10078 in place of statically computed probabilities.
10079 (min_spec_prob): New static variable.
10080 (schedule_insns): Initialize it.
10081 (GET_SRC_PROB): Removed.
10082 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10084 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10086 PR debug/24444
10087 * config/ia64/unwind-ia64.c: Revert last change.
10088 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10089 (INCOMING_FRAME_SP_OFFSET): Define.
10091 2006-02-06 Roger Sayle <roger@eyesopen.com>
10093 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10095 2006-02-07 Ben Elliston <bje@au.ibm.com>
10097 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10098 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10099 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10100 (ix86_return_in_memory): Handle TDmode.
10101 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10102 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10104 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10106 * reorg.c (dbr_schedule): Use dump_file instead of file.
10108 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10110 PR target/25917
10111 * config/ia64/predicates.md (extr_len_operand): New predicate.
10112 * config/ia64/ia64.md (extv): Tighten constraints.
10113 (extzv): Ditto.
10114 (*tbit_and_2): Ditto.
10115 (*tbit_and_3): Ditto.
10116 (*tbit_or_2): Ditto.
10117 (*tbit_or_3): Ditto.
10118 (*bit_zero): Ditto.
10119 (*bit_one): Ditto.
10121 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10123 PR target/23359
10124 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10126 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10128 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10129 loop_optimizer_init and loop_optimizer_finalize
10130 * tree-ssa-sink.c (execute_sink_code): Ditto.
10131 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10132 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10133 tree_ssa_loop_done): Ditto.
10134 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10135 * sched-ebb.c: Include output.h.
10136 (schedule_ebbs): Do not use dump argument.
10137 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10138 * loop.c (loop_dump_stream): Removed.
10139 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10140 argument.
10141 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10142 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10143 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10144 loop_iterations, strength_reduce, record_biv, record_giv,
10145 final_giv_value, check_final_value, check_ext_dependent_givs,
10146 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10147 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10148 dump_file instead of loop_dump_stream.
10149 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10150 argument dump_file.
10151 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10152 dump argument.
10153 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10154 * haifa-sched.c: Include output.h
10155 (schedule_insns, sched_init): Do not use dump argument.
10156 * mode-switching.c (optimize_mode_switching): Ditto.
10157 * modulo-sched.c (stats_file): Removed.
10158 (print_node_sched_params): Do not call argument dump_file.
10159 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10160 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10161 of stats_file.
10162 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10163 use dump argument.
10164 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10165 rtl_loop_init, rtl_loop_done): Ditto.
10166 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10167 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10168 Ditto.
10169 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10170 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10171 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10172 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10173 * emit-rtl.c (renumber_insns): Ditto.
10174 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10175 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10176 * regclass.c (regclass): Ditto.
10177 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10178 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10179 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10180 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10181 Ditto.
10182 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10183 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10184 to regclass.
10185 * gcse.c (gcse_file, debug_stderr): Removed.
10186 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10187 rest_of_handle_gcse): Do not use dump argument.
10188 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10189 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10190 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10191 compute_code_hoist_vbeinout, compute_code_hoist_data,
10192 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10193 compute_store_table, build_store_vectors, insert_insn_start_bb,
10194 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10195 store_motion): Use dump_file instead of gcse_file.
10196 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10197 * profile.c (profile_dump_file): Removed.
10198 (branch_prob): Use dump_file instead of profile_dump_file.
10199 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10200 dump_file.
10201 * tree-ssa-copy.c (dump_copy_of): Ditto.
10202 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10203 dump file to life_analysis.
10204 * bt-load.c (branch_target_load_optimize): Ditto.
10205 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10206 renumber_insns.
10207 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10208 regclass, dbr_schedule): Declaration changed.
10209 * sched-int.h (sched_init): Declaration changed.
10210 * tree-profile.c (tree_profile_dump_file): Removed.
10211 (tree_profile_hooks): Removed profile_dump_file hook.
10212 * rtl-profile (rtl_profile_dump_file): Removed.
10213 (rtl_profile_hooks): emoved profile_dump_file hook.
10214 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10215 changed.
10216 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10217 * tree-cfg.c (build_tree_cfg): Ditto.
10218 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10219 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10220 Declaration changed.
10221 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10222 life_analysis and schedule_insns.
10223 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10224 life_analysis.
10225 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10226 dbr_schedule.
10227 * config/mips/mips.c (mips_reorg): Ditto.
10228 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10229 schedule_ebbs.
10231 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10233 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10234 (s390_mangle_fundamental_type): New.
10235 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10236 Define.
10238 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10239 (alpha_mangle_fundamental_type): New.
10240 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10241 Define.
10243 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10244 Define.
10245 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10246 Define.
10247 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10248 (sparc_mangle_fundamental_type): New.
10250 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10252 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10253 (s390x-*-linux*): Likewise.
10254 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10255 * config/s390/t-linux: New file.
10257 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10259 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10260 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10262 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10264 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10265 (ANTIC_SAFE_LOADS): New macro.
10266 (find_or_generate_expression): Add prototype.
10267 (set_contains_value): Allow null set for sake of not always having
10268 to allocate ANTIC_SAFE_LOADS.
10269 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10270 Allow COMPONENT_REF too.
10271 (valid_in_set): Allow COMPONENT_REF.
10272 Check ANTIC_SAFE_LOADS too.
10273 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10274 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10275 rename.
10276 (can_PRE_operation): Add COMPONENT_REF.
10277 (create_component_ref_by_pieces): New function.
10278 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10279 (insert_aux): Move AGGREGATE_TYPE_P check here.
10280 (compute_avail): Set bb local stmt uids.
10281 (pass_pre): Use TODO_update_ssa_only_virtuals.
10283 2006-02-06 Ben Elliston <bje@au.ibm.com>
10285 * configure.ac: Unconditionally disable decimal float by default.
10286 * configure: Regenerate.
10288 2006-02-06 Ben Elliston <bje@au.ibm.com>
10290 * read-rtl.c (read_name): Terminate reading on EOF.
10292 2006-02-06 Ben Elliston <bje@au.ibm.com>
10294 * dfp.c (decimal_real_arithmetic): Change second argument type
10295 from int to enum tree_code. Do not always return true, but now
10296 return result of any call to decimal_do helper functions.
10297 * dfp.h (decimal_real_arithmetic): Update prototype.
10299 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10301 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10303 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10305 PR tree-opt/25251
10306 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10307 forced labels.
10309 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10311 * tree-vrp.c (cfg_loops): Removed.
10312 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10313 Use current_loops instead of cfg_loops. Pass flags to
10314 loop_optimizer_init.
10315 * cfgloopmanip.c (fix_loop_structure): Update only available
10316 information.
10317 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10318 loop_optimizer_init.
10319 * modulo-sched.c (build_loops_structure): Removed.
10320 (sms_schedule): Use loop_optimizer_init.
10321 * loop-init.c (loop_optimizer_init): Use flags to determine
10322 which properties of loops to prepare.
10323 (rtl_loop_init): Pass flags to loop_optimizer_init.
10324 * tree-ssa-sink.c (execute_sink_code): Ditto.
10325 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10326 * tree-ssa-pre.c (init_pre): Ditto.
10327 * cfgloop.h (LOOPS_NORMAL): New.
10328 (loop_optimizer_init): Declaration changed.
10330 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10332 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10333 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10334 pa/t-pa.
10335 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10336 pa/t-pa.
10337 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10338 pa/x-ada.
10339 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10340 * pa/t-pa64: Delete quadlib.c rule.
10341 * pa/x-ada: Revert last change.
10342 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10344 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10346 PR rtl-optimization/26087
10347 * rtlanal.c (canonicalize_condition): Do not cross basic block
10348 boundaries.
10350 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10352 PR debug/24444
10353 * config/ia64/ia64.c: Include debug.h.
10354 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10355 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10356 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10357 (process_epilogue, process_set, process_for_unwind_directive):
10358 Output unwind info only if requested. Add CFA info if requested.
10359 Add new arguments as needed. Adjust callers.
10360 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10361 incorrect default.
10362 (DWARF2_FRAME_INFO): Define to zero.
10363 * config/ia64/unwind-ia64.c: Remove code that compensated for
10364 the CFA offset error fixed above.
10365 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10366 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10367 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10368 -funwind-tables and -fexceptions to enable frame info.
10369 (dwarf2out_frame_init): Define initial CFA even if
10370 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10371 DWARF2_UNWIND_INFO is nonzero, not just defined.
10372 (dwarf2out_frame_finish): Output non-EH call frame info only
10373 if DWARF2_FRAME_INFO is nonzero.
10374 (convert_cfa_to_loc_list,
10375 compute_frame_pointer_to_cfa_displacement): Define even if
10376 unwind info is not supported.
10377 (gen_subprogram_die): Use the above unconditionally. Remove
10378 legacy alternate code.
10379 * toplev.c (compile_file): Compile in call to
10380 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10381 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10383 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10384 Jakub Jelinek <jakub@redhat.com>
10386 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10387 IBM extended float format long double as "g" on powerpc*-linux.
10389 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10391 PR target/25926
10392 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10393 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10395 2006-02-03 Jason Merrill <jason@redhat.com>
10397 PR c++/25979
10398 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10400 PR middle-end/25977
10401 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10402 on the return slot if it's an NRV.
10404 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10406 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10407 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10408 rewrite_use): Do not handle USE_OUTER.
10409 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10410 add_iv_outer_candidates, may_replace_final_value,
10411 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10412 (find_interesting_uses_op): Functionality of
10413 find_interesting_uses_outer_or_nonlin moved here.
10414 (find_interesting_uses_outside): Use find_interesting_uses_op.
10416 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10418 PR target/25960
10419 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10421 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10422 Ulrich Weigand <uweigand@de.ibm.com>
10424 PR target/25864
10425 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10426 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10427 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10428 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10429 and dxr fields.
10430 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10431 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10432 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10433 Define secondary reloads for TFmode moves.
10434 (constant_modes): Add TFmode.
10435 (NR_C_MODES): Set to 8.
10436 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10437 builtin define.
10438 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10439 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10440 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10441 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10442 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10443 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10444 (FPR mode macro): Add TFmode.
10445 (DSF mode macro): New.
10446 (<de>, <dee> mode attributes): Removed.
10447 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10448 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10449 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10450 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10451 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10452 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10453 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10454 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10455 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10456 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10457 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10458 "*negabs<mode>2", "sqrt<mode>2"):
10459 Changed <de> to <xde>. R constraint replaced by <Rf>.
10460 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10461 <Rf>.
10462 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10463 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10464 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10465 splitters.
10466 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10467 "extenddftf2", "extendsftf2"): New expanders.
10468 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10469 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10470 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10471 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10472 New options.
10473 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10474 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10475 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10476 __floatditf): Add a GCC_4.1.0 symbol version tag.
10477 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10478 the new options.
10480 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10482 PR target/25377
10483 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10484 Use targetm.binds_local_p instead of TREE_PUBLIC.
10486 2006-02-02 Roger Sayle <roger@eyesopen.com>
10488 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10489 on INTEGER_TYPEs to indicate that it denotes a character type.
10490 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10491 signed_char_type_node, unsigned_char_type_node and char_type_node.
10492 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10493 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10494 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10496 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10497 Daniel Berlin <dberlin@dberlin.org>
10499 * tree-tailcall.c (arg_needs_copy_p): New function.
10500 (eliminate_tail_call): Use arg_needs_copy_p.
10501 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10502 (add_virtual_phis): New function.
10504 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10506 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10507 #ignore instead of #scratch for %g7 .register directive.
10509 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10511 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10512 object files.
10514 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10516 * flow.c (calculate_global_regs_live): Assert that there aren't any
10517 EDGE_FAKE edges.
10519 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10521 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10522 what its name says.
10523 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10524 bsi_after_labels iterator.
10525 * tree-if-conv.c (find_phi_replacement_condition,
10526 replace_phi_with_cond_modify_expr): Likewise.
10527 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10528 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10530 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10532 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10534 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10536 PR 25990
10537 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10538 array after growing it.
10540 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10542 PR middle-end/24901
10543 * fold-const.c (fold_checksum_tree): Change type of buf.
10545 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10547 * reload.c (push_secondary_reload): Initialize t_icode.
10549 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10551 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10552 -msoft-float -mlong-double-128 only issue a warning, but don't
10553 swich to DFmode long double.
10555 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10557 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10558 has a constant equivalent, iterate over equivalents for arg0,
10559 calling simplify_relational_operation and if there's a result
10560 cheaper than X, apply fold_rtx and return the result.
10562 2006-02-01 Jan Hubicka <jh@suse.cz>
10564 * opts.c (no_unit_at_a_time_default): New global variable.
10565 (decode_options): Use it.
10566 * opts.h (no_unit_at_a_time_default): Declare.
10568 2006-02-01 Paul Brook <paul@codesourcery.com>
10570 * function.c (assign_parm_setup_reg): Use function argument promotion
10571 rules.
10572 * expr.c (expand_expr_real_1): Use function argument promotion rules
10573 for PARM_DECLs.
10575 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10577 * gcc.c (process_command): Change j to 'unsigned int'.
10579 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10581 PR middle-end/26001
10582 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10583 Use the corrected index for the character
10584 out of the string constant.
10586 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10588 * mode-switching.c (optimize_mode_switching): Fix size
10589 allocated for bb_info[n_entities].
10591 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10593 * gcc.c (main): Correct type that is allocated for
10594 explicit_link_files.
10596 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10598 * config/s390/s390.c (init_alignment_context): Set
10599 ALIAS_SET_MEMORY_BARRIER on the MEM.
10600 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10602 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10604 PR middle-end/25933
10605 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10606 dom_bbs pointer.
10607 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10608 call to tpa_init.
10610 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10612 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10613 * regrename.c: Ditto.
10614 * tree-ssa-loop-im.c: Ditto.
10615 * tree-dump.c: Ditto.
10616 * tree-complex.c: Ditto.
10617 * genrecog.c: Ditto.
10618 * tree-ssa-threadupdate.c: Ditto.
10619 * tracer.c: Ditto.
10620 * java/class.c: Ditto.
10621 * java/jcf-parse.c: Ditto.
10622 * java/resource.c: Ditto.
10623 * java/except.c: Ditto.
10624 * java/jvspec.c: Ditto.
10625 * java/jcf-write.c: Ditto.
10626 * java/jcf-path.c: Ditto.
10627 * java/gjavah.c: Ditto.
10628 * java/zextract.c: Ditto.
10629 * java/jcf-io.c: Ditto.
10630 * java/jcf.h: Ditto.
10631 * java/buffer.c: Ditto.
10632 * java/lang.c: Ditto.
10633 * java/parse-scan.y: Ditto.
10634 * java/lex.c: Ditto.
10635 * java/lex.h: Ditto.
10636 * cfgloopmanip.c: Ditto.
10637 * postreload-gcse.c: Ditto.
10638 * tree-ssa-loop-manip.c: Ditto.
10639 * postreload.c: Ditto.
10640 * tree-ssa-loop-ch.c: Ditto.
10641 * loop.c: Ditto.
10642 * ipa-cp.c: Ditto.
10643 * cppspec.c: Ditto.
10644 * diagnostic.c: Ditto.
10645 * final.c: Ditto.
10646 * genoutput.c: Ditto.
10647 * gcc.c: Ditto.
10648 * cfghooks.c: Ditto.
10649 * cfgloopanal.c: Ditto.
10650 * objc/objc-act.c: Ditto.
10651 * gcov.c: Ditto.
10652 * genextract.c: Ditto.
10653 * genautomata.c: Ditto.
10654 * pretty-print.c: Ditto.
10655 * genemit.c: Ditto.
10656 * cgraphunit.c: Ditto.
10657 * flow.c: Ditto.
10658 * df-scan.c: Ditto.
10659 * haifa-sched.c: Ditto.
10660 * dominance.c: Ditto.
10661 * dbxout.c: Ditto.
10662 * tree-ssa-loop-ivopts.c: Ditto.
10663 * df-core.c: Ditto.
10664 * mode-switching.c: Ditto.
10665 * modulo-sched.c: Ditto.
10666 * graph.c: Ditto.
10667 * ipa-pure-const.c: Ditto.
10668 * cse.c: Ditto.
10669 * fix-header.c: Ditto.
10670 * web.c: Ditto.
10671 * tree-stdarg.c: Ditto.
10672 * ipa-utils.c: Ditto.
10673 * loop-init.c: Ditto.
10674 * ipa-inline.c: Ditto.
10675 * cfganal.c: Ditto.
10676 * global.c: Ditto.
10677 * alloc-pool.c: Ditto.
10678 * dwarf2out.c: Ditto.
10679 * opts.c: Ditto.
10680 * genattrtab.c: Ditto.
10681 * tree-ssa-loop-ivcanon.c: Ditto.
10682 * predict.c: Ditto.
10683 * timevar.c: Ditto.
10684 * lcm.c: Ditto.
10685 * fortran/gfortranspec.c: Ditto.
10686 * regmove.c: Ditto.
10687 * local-alloc.c: Ditto.
10688 * langhooks.c: Ditto.
10689 * function.c: Ditto.
10690 * tree-vectorizer.c: Ditto.
10691 * gcse.c: Ditto.
10692 * ipa-type-escape.c: Ditto.
10693 * alias.c: Ditto.
10694 * tree-if-conv.c: Ditto.
10695 * profile.c: Ditto.
10696 * ipa.c: Ditto.
10697 * tree-data-ref.c: Ditto.
10698 * loop-unroll.c: Ditto.
10699 * treelang/treetree.c: Ditto.
10700 * calls.c: Ditto.
10701 * bt-load.c: Ditto.
10702 * ggc-common.c: Ditto.
10703 * except.c: Ditto.
10704 * coverage.c: Ditto.
10705 * cselib.c: Ditto.
10706 * tree-cfgcleanup.c: Ditto.
10707 * tree-ssa-pre.c: Ditto.
10708 * cfgcleanup.c: Ditto.
10709 * loop-invariant.c: Ditto.
10710 * loop-iv.c: Ditto.
10711 * ipa-prop.c: Ditto.
10712 * print-tree.c: Ditto.
10713 * conflict.c: Ditto.
10714 * ggc-page.c: Ditto.
10715 * sched-deps.c: Ditto.
10716 * regclass.c: Ditto.
10717 * tree-object-size.c: Ditto.
10718 * combine.c: Ditto.
10719 * bb-reorder.c: Ditto.
10720 * resource.c: Ditto.
10721 * var-tracking.c: Ditto.
10722 * cfgloop.c: Ditto.
10723 * df-problems.c: Ditto.
10724 * reg-stack.c: Ditto.
10725 * tlink.c: Ditto.
10726 * gccspec.c: Ditto.
10727 * sched-rgn.c: Ditto.
10728 * tree-ssa-structalias.c: Ditto.
10729 * tree-ssa-reassoc.c: Ditto.
10730 * config/darwin-c.c: Ditto.
10731 * config/darwin.c: Ditto.
10732 * config/arm/arm.c: Ditto.
10733 * cfgrtl.c: Ditto.
10734 * collect2.c: Ditto.
10735 * reload1.c: Ditto.
10737 2006-01-31 Nicolas Pitre <nico@cam.org>
10739 * arm.md (smaxsi3): Make aware of smax_m1.
10740 (smax_m1): New.
10742 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10744 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10746 2006-01-31 Richard Guenther <rguenther@suse.de>
10748 * doc/invoke.texi (-msselibm): Document.
10749 * target.h (expand_library_builtin): New target hook.
10750 * builtins.c (expand_builtin): Use expand_library_builtin.
10751 (default_expand_library_builtin): New function.
10752 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10753 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10754 (link_gcc_math_spec): Declare.
10755 (static_specs): Add link_gcc_math_spec.
10756 * expr.h (default_expand_library_builtin): Declare.
10757 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10758 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10759 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10760 * config/i386/i386.opt (msselibm): New target option.
10761 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10762 (ix86_init_sse_abi_builtins): New function.
10763 (ix86_expand_library_builtin): Likewise.
10764 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10765 (override_options): Handle error conditions wrt -msselibm.
10766 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10767 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10768 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10769 builtins.
10771 2006-01-31 Richard Guenther <rguenther@suse.de>
10772 Paolo Bonzini <bonzini@gnu.org>
10774 * doc/install.texi (--disable-libgcc-math): Document.
10776 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10778 * expr.h (expand_normal): new inline function.
10779 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10780 * dojump.c: use it.
10781 * dwarf2out.c: use it.
10782 * expr.c: use it.
10783 * calls.c: use it.
10784 * expmed.c: use it.
10785 * except.c: use it.
10786 * config/sparc/sparc.c: use it.
10787 * config/i386/i386.c: use it.
10788 * config/rs6000/rs6000.c: use it.
10789 * config/arm/arm.c: use it.
10790 * config/mips/mips.c: use it.
10791 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10793 2006-01-30 Roger Sayle <roger@eyesopen.com>
10795 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10796 argv to the appropriate type.
10798 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10800 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10801 unreachable code.
10803 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10805 PR target/26018
10806 * config/s390/s390.c (struct machine_function): New flag
10807 decomposed_literal_pool_addresses_ok_p.
10808 (s390_reorg): Set it before final stage of literal pool transforms.
10809 (s390_decompose_address): Only accept displacements of the form
10810 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10812 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10814 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10815 the comparison routine return.
10817 2006-01-30 Michael Matz <matz@suse.de>
10819 * global.c (find_reg): Only evict for global regs.
10820 Take n_refs into account and dump more info.
10822 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
10824 PR target/14798:
10825 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
10826 (pragma_trap, pragma_nosave_low_regs): Likewise.
10827 (current_function_anonymous_args): Likewise.
10828 (sh_deferred_function_attributes): New variable.
10829 (sh_deferred_function_attributes_tail): Likewise.
10830 (print_operand): For '@', look up trap_exit attribute.
10831 (calc_live_regs): Look up trapa_handler attribute. For trapa
10832 handlers, save/restore fpscr, but don't do any other
10833 interrupt-specific saves.
10834 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
10835 Fix check for partially saved registers to check for SHmedia.
10836 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
10837 (sh_output_function_epilogue): Don't clear any of the removed
10838 variables.
10839 (sh_insert_attributes): Don't check pragma_interrupt.
10840 Insert deferred attributes. Check that interrupt attribute is
10841 present for other attributes that require its presence.
10842 (sh_attribute_table): Add new attributes trapa_handler and
10843 nosave_low_regs.
10844 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
10845 Don't check for pragma_interrupt. Don't store argument.
10846 * sh.h (pragma_interrupt, sp_switch): Don't declare.
10847 (sh_deferred_function_attributes): Declare.
10848 (sh_deferred_function_attributes_tail): Likewise.
10849 * sh.md (sp_switch_1): Add operand. Change generator caller.
10850 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
10851 (*return_i): Don't use when trap_exit attribute is in effect.
10852 (*return_trapa): New insn pattern.
10853 * sh-c.c: New file.
10854 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
10855 setting c_target_objs and cxx_target_objs.
10856 * t-sh: Add rule for sh-c.o.
10858 2006-01-30 Richard Guenther <rguenther@suse.de>
10860 PR c++/23372
10861 * gimplify.c (gimplify_target_expr): Handle easy cases
10862 without creating a temporary.
10864 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
10866 * vec.h (safe_grow): Remove duplicated line.
10868 2006-01-29 Diego Novillo <dnovillo@redhat.com>
10870 PR 25874
10871 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
10872 (expand_omp): ... here.
10873 (expand_omp_parallel): Only remove barriers for combined
10874 parallel+workshare constructs.
10876 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
10878 Revert
10880 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
10881 * tree.c (build_qualified_type): Chain the new type to the original
10882 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
10883 a POINTER_TYPE or a REFERENCE_TYPE respectively.
10884 (build_pointer_type_for_mode): Only return unqualified types.
10885 (build_reference_type_for_mode): Likewise.
10887 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
10889 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
10890 * Makefile.in (CXX_COMPAT_WARN): Define.
10891 * configure: Regenerate.
10893 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10895 PR tree-opt/25911
10896 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
10897 to an if check.
10899 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10901 * toplev.c: Fix thinko.
10903 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
10904 Marcin Dalecki <martin@dalecki.de>
10906 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
10907 (push_srcloc): Use XNEW.
10908 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
10910 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10912 * df-core.c (df_set_blocks): Deleted all variable.
10914 2006-01-28 Ian Lance Taylor <ian@airs.com>
10916 * cgraphunit.c (cgraph_assemble_pending_functions): Call
10917 cgraph_output_pending_asms.
10919 2006-01-28 Zack Weinberg <zackw@panix.com>
10921 * c.opt: Add -W(no-)overlength-strings.
10922 * doc/invoke.texi: Document it.
10923 * c-opts.c (c_common_handle_option): -pedantic implies
10924 -Woverlength-strings, if not explicitly disabled already.
10925 (c_common_post_options): -Woverlength-strings defaults to off, and
10926 is always off for C++.
10927 * c-common.c (fix_string_type): Issue warning about strings longer
10928 than is portable only if warn_overlength_strings. Rearrange code
10929 a little for clarity.
10930 * configure.in: Check for -Wno-overlength-strings as well before
10931 enabling -pedantic in stage 1.
10932 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
10933 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
10935 * genconditions.c (write_header, write_one_condition)
10936 (write_conditions, write_writer): Consolidate very long strings
10937 that were broken up to fit in C89 portable limit. Don't use
10938 printf when fputs will do.
10940 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
10942 * combine.c (simplify_comparison <AND>): Check
10943 TRULY_NOOP_TRUNCATION before start using a subreg.
10945 * config/mips/mips.md (*branch_zero<mode>,
10946 *branch_zero<mode>_inverted, *branch_equality<mode>,
10947 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
10948 Remove mode check from comparisons.
10950 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
10952 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
10954 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10956 * expmed.c (const_mult_add_overflow_p): Remove.
10957 * expr.h: Remove the prototype for const_mult_add_overflow_p.
10959 * recog.c (validate_replace_rtx_subexp): Remove.
10960 * recog.h: Remove the prototype for
10961 validate_replace_rtx_subexp.
10963 * integrate.h: Remove the prototype for
10964 copy_decl_for_inlining.
10965 * rtl.h: Remove the prototype for mark_constant_function.
10966 * tree-vectorizer.h: Remove the prototype for
10967 vect_strip_conversion.
10969 * modulo-sched.c (create_partial_schedule,
10970 free_partial_schedule, reset_partial_schedule): Make them
10971 static.
10973 * hooks.c (hook_bool_rtx_int_false): Remove.
10974 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
10976 2006-01-28 David Edelsohn <edelsohn@gnu.org>
10978 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10979 and -mlong-double-128 are incompatible.
10980 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
10981 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
10982 (TARGET_LIBGCC2_CFLAGS): Define.
10983 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
10984 (TARGET_LIBGCC2_CFLAGS): Same.
10985 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
10987 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
10989 PR c/19606.
10990 * c-typeck.c (build_binary_op): Perform implicit casts of
10991 operands before shortening them.
10993 * cfgloopmanip.c (split_loop_bb): Remove.
10994 * cfgloop.h: Remove the prototype for split_loop_bb.
10996 * cfgloop.c (flow_loop_outside_edge_p): Remove.
10997 * cfgloop.h: Remove the prototype for
10998 flow_loop_outside_edge_p.
11000 * emit-rtl.c (init_virtual_regs): Make it static.
11001 * function.h: Remove the prototype for init_virtual_regs.
11003 * recog.c (peephole2_optimize): Make it static.
11004 * recog.h: Remove the prototype for peephole2_optimize.
11006 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11008 * df-scan.c (df_record_entry_block_defs): Check if
11009 INCOMING_RETURN_ADDR_RTX is defined.
11011 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11012 Kenneth Zadeck <zadeck@naturalbridge.com>
11014 PR rtl-optimization/24762
11015 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11016 * targhooks.c (hook_void_bitmap): New hook prototype.
11017 * targhoohs.h (hook_void_bitmap): Ditto.
11018 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11019 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11020 * target.h (live_on_entry): New function pointer.
11021 * df-scan.c (df_all_hard_regs): Removed.
11022 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11023 (df_scan_free_internal): Added df->entry_block_defs.
11024 (df_scan_alloc): Ditto.
11025 (df_scan_dump): Ditto.
11026 (df_uses_record): Plumbed flag field properly thru calls.
11027 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11028 This part fixes PR24762.
11029 (df_bb_refs_record): Added code to make the frame and arg
11030 pointers live in EH blocks.
11031 (df_refs_record): Added call to df_record_entry_block_defs.
11032 (df_record_entry_block_defs): New function.
11033 * df-core.c: Added comments to describe new artifical defs.
11034 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11035 (entry_block_defs): New field in struct df.
11036 (df_all_hard_regs): Deleted.
11037 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11038 * df-problems.c (df_ru_bb_local_compute_process_def):
11039 Added code to handle artifical defs in the entry to a function.
11040 (df_ru_bb_local_compute): Ditto.
11041 (df_rd_bb_local_compute_process_def): Ditto.
11042 (df_rd_bb_local_compute): Ditto.
11043 (df_lr_bb_local_compute): Ditto.
11044 (df_ur_bb_local_compute): Ditto.
11045 (df_urec_bb_local_compute): Ditto.
11046 (df_chain_create_bb): Ditto.
11047 (df_ur_local_finalize): Removed entry.
11048 (df_urec_init): Ditto.
11049 (df_urec_local_finalize): Ditto.
11050 (df_ri_bb_compute): Added detection of last use of pseudos.
11051 * Makefile.in (df-scan.o): Updated dependencies.
11052 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11053 * config/mips/mips.c (mips_set_live_on_entry): Added.
11054 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11055 for target hook.
11056 * dce.c (marked_insn_p): Added code to handle artifical defs.
11058 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11060 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11061 intrinsic.
11062 (_mm_cvtsi128_si64): Likewise.
11063 (_mm_cvtsd_si64): Likewise.
11064 (_mm_cvttsd_si64): Likewise.
11065 (_mm_cvtsi64_sd): Likewise.
11066 (_mm_cvtsi64_si128): Likewise.
11067 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11068 (_mm_cvtsi64_m64): Likewise.
11069 (_m_to_int64): Likewise.
11070 (_mm_cvtm64_si64): Likewise.
11071 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11072 (_mm_cvttss_si64): Likewise.
11073 (_mm_cvtsi64_ss): Likewise.
11074 (_mm_cvtss_f32): Likewise.
11076 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11078 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11079 for pragma redefine_extname.
11081 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11083 PR target/25864
11084 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11085 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11086 -mno-minimal-toc to previous content.
11087 (bispecs): Remove goal.
11088 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11089 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11090 compatibility aliases on powerpc-*-*gnu*.
11091 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11092 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11093 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11094 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11095 (ldblspecs): New goal.
11096 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11097 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11098 _df_to_tf.
11099 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11100 L_sf_to_tf or L_df_to_tf is defined.
11102 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11103 Alan Modra <amodra@bigpond.net.au>
11105 PR target/25864
11106 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11107 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11108 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11109 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11110 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11111 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11112 (rs6000_override_options): Initialize rs6000_ieeequad.
11113 Initialize TFmode format to ibm_extended_format if not
11114 TARGET_IEEEQUAD.
11115 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11116 ieeelongdouble.
11117 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11118 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11119 (function_arg_advance): IBM long double passed in two FPRs, not
11120 split.
11121 (function_arg): IBM long double passed in FPRs.
11122 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11123 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11124 Only multireg GPR aligned.
11125 (rs6000_init_libfuncs): Enable IBM long double functions if not
11126 IEEEQUAD.
11127 (rs6000_generate_compare): Use IBM long double compare if not
11128 TARGET_IEEEQUAD.
11129 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11130 (TARGET_IEEEQUAD): Define.
11131 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11132 not TARGET_IEEEQUAD.
11133 * config/rs6000/rs6000.md: Enable TFmode patterns if
11134 !TARGET_IEEEQUAD.
11135 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11136 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11137 and -mlong-double-128 are incompatible.
11138 * doc/invoke.texi (-mabi): Collect options together. Add
11139 ibmlongdouble and ieeelongdouble.
11141 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11143 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11144 opaque type.
11145 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11146 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11147 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11148 * rtl.h (rtunion_def): Remove rt_ptr.
11149 (X0PTR): Delete.
11150 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11151 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11152 * config/i386/winnt.c (i386_pe_mark_dllexport)
11153 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11155 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11157 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11159 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11161 PR other/24829
11162 PR target/24831
11163 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11164 pthread_key_delete. From John David Anglin. gthrw-ify
11165 pthread_getunique_np only if it it's not a macro. Delete
11166 UNUSED macro.
11167 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11168 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11169 __gthread_objc_condition_signal, __gthread_key_delete): Add
11170 "__attribute__ ((__unused__))" to unused arguments.
11171 (__gthread_recursive_mutex_init_function): Add missing return.
11172 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11173 gthr-posix95.h: Use macro-based approach for name redirection
11174 on targets missing weakref.
11176 2006-01-26 Zack Weinberg <zackw@panix.com>
11178 * genconditions.c (write_header): In generated code, #ifdef out
11179 all includes and fake declarations, except includes of bconfig.h
11180 and system.h, unless GCC_VERSION >= 3001. Do not include
11181 gensupport.h in any case.
11182 (write_conditions): Generate a definition of struct c_test. Add
11183 a comment to the generated #endif.
11184 (write_one_condition): Escape backslashes in string too.
11185 (write_writer): Generated code must escape backslashes and quote
11186 marks (but not newlines) in the strings it writes.
11187 * Makefile.in (build/gencondmd.o): Update dependencies.
11189 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11191 PR target/25961
11192 * Makefile.in (insn-automata.o): Add header file dependencies.
11193 * genautomata.c: Add includes.
11195 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11197 PR target/25961
11198 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11200 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11202 * configure.ac: Expect target tools paths to be passed from the toplevel
11203 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11204 AS_SET_VAR_IF.
11205 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11207 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11209 PR c/25892
11210 * c.opt (Wpointer-sign): Init to -1.
11211 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11212 OPT_pedantic, to 0 otherwise.
11213 * doc/invoke.texi: Update.
11215 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11217 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11218 constants provided by 80387 instructions in the destination mode.
11220 2006-01-26 Richard Guenther <rguenther@suse.de>
11221 Andrew Pinski <pinskia@physics.uc.edu>
11223 PR tree-opt/21470
11224 partial PR tree-opt/17064
11225 * tree-ssa-structalias.c (intra_create_variable_infos):
11226 Create heap variables for incoming parameters if
11227 flag_argument_noalias > 1.
11228 (find_what_p_points_to): Look through default defs of
11229 parameter decls.
11231 2006-01-26 Jeff Law <law@redhat.com>
11233 PR ada/25900
11234 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11235 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11236 within the VR_RANGE, use the VR_RANGE as the result, not the
11237 VR_ANTI_RANGE.
11238 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11239 bounds for the type.
11241 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11243 * tree-ssa-alias.c (maybe_create_global_var): Change
11244 subvar walking to an assertion that we don't have subvar'd variables.
11246 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11248 PR C/25861
11249 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11250 Use a new variable, inner. PARM_DECLs are always non-weak.
11252 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11254 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11255 --disable-checking.
11257 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11259 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11261 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11263 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11264 (smax_insn, smin_insn, smax_0, smin_0): New.
11266 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11268 PR target/25947
11269 * config/cris/cris.c (cris_order_for_addsi3): New function.
11270 * config/cris/cris-protos.h: Prototype it.
11271 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11272 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11273 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11274 (split for "op.S1 [rx=rx+i],ry (swapped)")
11275 (split for "op(s|u).S1 [rx=rx+i],ry")
11276 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11277 Apply cris_order_for_addsi3 when generating addsi3 insns.
11279 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11281 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11282 (TREE_BLOCK): Add call to EXPR_CHECK.
11284 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11286 PR 25886
11287 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11288 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11289 (dump_omp_clauses): ... here.
11290 (dump_generic_node): Handle OMP_CLAUSE.
11291 * tree.c (omp_clause_num_ops): New.
11292 (omp_clause_code_name): New.
11293 (tree_code_size): Handle OMP_CLAUSE.
11294 (tree_size): Likewise.
11295 (make_node): Document handling of OMP_CLAUSE.
11296 (tree_node_structure): Handle OMP_CLAUSE.
11297 (omp_clause_check_failed): New.
11298 (omp_clause_range_check_failed): New.
11299 (omp_clause_operand_check_failed): New.
11300 (build_omp_clause): New.
11301 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11302 * tree.h (enum omp_clause_code): Declare.
11303 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11304 (OMP_CLAUSE_RANGE_CHECK): Define.
11305 (OMP_CLAUSE_ELT_CHECK): Define.
11306 (omp_clause_check_failed): Declare.
11307 (omp_clause_operand_check_failed): Declare.
11308 (omp_clause_range_check_failed): Declare.
11309 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11310 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11311 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11312 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11313 (OMP_CLAUSE_IF_EXPR): Likewise.
11314 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11315 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11316 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11317 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11318 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11319 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11320 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11321 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11322 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11323 (OMP_CLAUSE_CODE): Define.
11324 (OMP_CLAUSE_SET_CODE): Define.
11325 (OMP_CLAUSE_CODE): Define.
11326 (OMP_CLAUSE_OPERAND): Define.
11327 (struct tree_omp_clause): Declare.
11328 (union tree_node): Add field 'omp_clause'.
11329 * treestruct.def (TS_OMP_CLAUSE): Define.
11330 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11331 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11332 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11333 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11334 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11335 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11336 (OMP_CLAUSE): Define.
11337 * print-tree.c (print_node): Handle OMP_CLAUSE.
11338 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11339 * c-typeck.c: Likewise.
11340 * gimplify.c: Likewise.
11341 * c-omp.c: Likewise.
11342 * tree-nested.c: Likewise.
11343 * tree-inline.c: Likewise.
11344 * c-parser.c: Likewise.
11345 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11346 clauses.
11348 2006-01-25 Roger Sayle <roger@eyesopen.com>
11350 PR rtl-optimization/25703
11351 * combine.c (try_combine): Handle zero_extract and strict_low_part
11352 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11354 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11356 * global.c: Fix comment typos.
11358 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11360 PR target/25758
11361 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11362 Use output_addr_const instead of assemble_name.
11364 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11366 * Makefile.in (sched-vis.o): Update dependencies.
11367 * haifa-sched.c (sched_finish): Clear current_sched_info.
11368 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11369 (dump_flow_info): Call it.
11370 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11371 a slim RTL dump.
11372 * basic-block.h (dump_bb_info): Declare.
11373 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11374 option, and apply options only for dump files whose TDF_RTL,
11375 TDF_TREE, or TDF_IPA bits match.
11376 * rtl.h: Declare new functions exported from sched-vis.c.
11377 * sched-vis.c: Enable also if scheduling is not used.
11378 (print_value): Print the mode of registers if not inside scheduling.
11379 (print_insn): Make it work outside the scheduler. Beautify the output
11380 a bit.
11381 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11383 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11385 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11386 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11387 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11388 depending on the value of CONSTANT_POOL_ADDRESS_P.
11389 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11390 SYMBOL_REF_DECL.
11391 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11392 rather than SYMBOL_REF_DECL.
11393 (rtx_constant_pool): Remove const_rtx_sym_htab.
11394 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11395 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11396 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11397 Remove handling of const_rtx_sym_htab.
11398 (find_pool_constant): Delete.
11399 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11400 rather than find_pool_constant.
11401 (get_pool_constant_for_function): Delete.
11402 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11403 find_pool_constant.
11404 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11405 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11406 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11407 (SYMBOL_REF_CONSTANT): New macro.
11408 (get_pool_constant_for_function): Delete.
11409 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11410 rather than SYMBOL_REF_DECL.
11411 (i386_pe_mark_dllimport): Likewise.
11412 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11413 rather than SYMBOL_REF_DECL.
11414 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11415 (machopic_indirect_call_target): Likewise.
11417 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11419 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11421 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11423 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11425 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11427 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11429 2006-01-24 David Daney <ddaney@avtrex.com>
11431 PR java/25816
11432 * configure.ac (enable_tls): New enable option.
11433 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11434 * configure: Regenerate.
11435 * doc/install.texi (--enable-tls): Document new option.
11436 (--disable-tls): Ditto.
11438 2006-01-24 Richard Henderson <rth@redehat.com>
11440 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11441 * alias.c (true_dependence): Respect it.
11442 (canon_true_dependence, write_dependence_p): Likewise.
11443 * builtins.c (get_builtin_sync_mem): Set it.
11445 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11447 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11448 efficient way.
11450 2006-01-24 DJ Delorie <dj@redhat.com>
11452 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11453 for storing constants in single-bit bitfields.
11455 2006-01-25 Ben Elliston <bje@au.ibm.com>
11457 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11459 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11461 PR tree-opt/25860
11462 * tree-ssa-pre.c (phi_translate): Return NULL
11463 for AGGREGATE_TYPE's.
11465 2006-01-24 Zack Weinberg <zackw@panix.com>
11467 * genautomata.c (process_state_for_insn_equiv_partition):
11468 Use xcalloc for insn_arcs_array.
11469 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11470 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11472 2006-01-24 Richard Henderson <rth@redhat.com>
11474 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11475 update all callers.
11477 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11479 PR rtl-optimization/25890
11480 PR rtl-optimization/25905
11481 * combine.c (expand_compound_operation, expand_field_assignment):
11482 Fail if the bitfield's final position is out of bounds.
11484 2006-01-24 Ian Lance Taylor <ian@airs.com>
11486 PR middle-end/25930
11487 * cgraphunit.c (cgraph_output_in_order): Don't clear
11488 cgraph_asm_nodes until after asm strings have been output.
11490 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11492 * fix-header.c (read_scan_file): Add new parameter imultilib when
11493 calling register_include_chains.
11495 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11497 * omp-low.c: Update documentation.
11499 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11500 Daniel Berlin <dberlin@dberlin.org>
11502 PR tree-opt/25315
11503 PR tree-opt/25857
11504 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11505 return from the function.
11507 2006-01-22 Zack Weinberg <zackw@panix.com>
11509 * rtl.def (match_code): Add second argument.
11510 * genpreds.c (write_extract_subexp): New function.
11511 (write_match_code): Add path argument. Use write_extract_subexp.
11512 (write_predicate_expr): Pass path to write_match_code.
11513 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11514 not perform a mode test.
11515 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11516 a subexpression does not constrain the top-level code set.
11517 * read-rtl.c (read_rtx_variadic): New function.
11518 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11519 * doc/md.texi: Document new notation.
11520 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11521 (cmpsi_operand): ... here, using new notation.
11523 2006-01-22 Zack Weinberg <zackw@panix.com>
11525 * varray.c: Remove GENERATOR_FILE #ifdefs.
11527 2006-01-22 Zack Weinberg <zackw@panix.com>
11529 * genautomata.c (output_reserved_units_table): Emit nothing if
11530 description->query_units_num is zero. Remove extra blank line.
11531 (output_cpu_unit_reservation_p): Short circuit
11532 if description->query_units_num is zero.
11534 2006-01-22 Zack Weinberg <zackw@panix.com>
11536 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11537 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11538 nor any of the random handful of variables that used to be necessary
11539 when this program was linked with rtlanal.o. Prune set of forward
11540 function declarations.
11541 (struct attr_desc): Remove static_p field.
11542 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11543 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11544 (attr_string): Do not read the character one past the length of
11545 the string.
11546 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11547 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11548 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11549 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11550 (make_automaton_attrs): New.
11551 (main): Do not call into genautomata. Call local gen_bypass
11552 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11553 Remove special case for insn_alts.
11554 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11555 varray.h (leftover from previous change). Prune set of forward
11556 function declarations. Remove state_alts fields from all
11557 structures. Remove state_alts_table from struct automaton.
11558 Make everything except main static. Do not maintain num_dfa_decls.
11559 Do not maintain state_alts fields of various structures.
11560 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11561 (add_arc): Remove state_alts argument. All callers updated.
11562 (output_reserved_units_table): Emit #ifdef here...
11563 (output_tables): ...not here. Don't generate state_alts tables.
11564 (expand_automata): Don't generate attributes.
11565 (write_automata): Don't generate state_alts functions.
11566 (main): New function.
11567 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11568 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11569 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11570 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11571 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11572 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11573 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11574 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11575 Delete.
11576 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11577 * genattrtab.h: Delete file.
11578 * Makefile.in (OBJS-common): Add insn-automata.o.
11579 (insn-automata.o): New rule.
11580 (simple_generated_c): Add insn-automata.c.
11581 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11582 (genprogmd): Add automata.
11583 (build/genattrtab): Needs no extra objects nor libraries.
11584 (build/genautomata): Needs build/vec.o and -lm.
11586 2006-01-22 Zack Weinberg <zackw@panix.com>
11588 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11589 (output_dfa_max_issue_rate, locked_states_num): Delete.
11590 (struct automaton): Add locked_states field.
11591 (output_dead_lock_vect): Save number of locked states in
11592 automaton->locked_states. If it is zero, don't print anything.
11593 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11594 (output_internal_dead_lock_func): Only test the dead_lock_vect
11595 for automata that have locked states.
11596 (output_statistics): Always print the number of locked states for
11597 each automaton. Calculate total number of locked states here.
11598 (write_automata): Don't call output_dfa_max_issue_rate.
11599 * genattrtab.c: Define length_unit_log as a const variable.
11600 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11601 max_insn_queue_index const.
11602 * final.c (length_unit_log): Declare const.
11603 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11605 2006-01-22 Zack Weinberg <zackw@panix.com>
11607 * genautomata.c: Include vec.h, not varray.h.
11608 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11609 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11610 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11611 VEC_* macros operating on appropriately typed vectors, or to
11612 malloced arrays when the size is known in advance. Const-ify
11613 many char* variables and function arguments. No functional changes.
11614 * Makefile.in (build/varray.o): Delete rule.
11615 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11616 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11618 2006-01-22 Zack Weinberg <zackw@panix.com>
11620 * gensupport.c: Define get_insn_name and record_insn_name here.
11621 (read_md_rtx): Call record_insn_name as appropriate.
11622 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11623 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11624 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11625 record_insn_name.
11626 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11627 (BUILD_VARRAY): Delete.
11628 (genprognormal): Rename genprogmd. Fold in all programs from
11629 genprognoprint; also attrtab.
11630 (build/genattrtab): Just mention genautomata.o and varray.o.
11631 Reorganize a bit, add comments to make the categories clearer.
11633 2006-01-22 Zack Weinberg <zackw@panix.com>
11635 * genconditions.c (condition_table, add_condition): Delete.
11636 (write_conditions): Don't emit n_insn_conditions nor
11637 insn_elision_unavailable. Issue the gcc version #ifdef here,
11638 inside the table, with no #else clause ...
11639 (write_header): ...not here.
11640 (write_writer): New function.
11641 (main): Don't initialize condition_table. Use add_c_test.
11642 Call write_writer.
11643 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11644 files on the command line.
11645 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11646 Return -1 if there is no entry in the table, don't abort.
11647 (add_c_test, traverse_c_tests): New functions.
11648 * gensupport.h (insn_elision_unavailable, insn_conditions)
11649 (n_insn_conditions): Delete declarations.
11650 (add_c_test, traverse_c_tests): Declare.
11651 * read-rtl.c: Include gensupport.h.
11652 (read_conditions): New function.
11653 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11654 (read_rtx_1): If we get EOF when we were looking for an initial
11655 open paren, return 0. Call read_conditions when appropriate.
11656 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11657 dummy-conditions.o. Eliminate references to insn-conditions.o,
11658 or change them to build/gencondmd.o, as appropriate. Remove
11659 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11660 from $(simple_generated_c). For all files remaining in those
11661 two lists, add insn-conditions.md to the generator command line.
11662 Give insn-constants.h/s-constants their own rules. Add rules
11663 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11664 (build/read-rtl.o): Depend on gensupport.h.
11665 (genprognormal): Include preds.
11666 (genprogearly): Rename genprognoprint; only difference is now that
11667 they don't link with $(BUILD_PRINT).
11668 * dummy-conditions.c: Delete.
11670 2006-01-22 Zack Weinberg <zackw@panix.com>
11672 * genextract.c: Don't include insn-config.h. Do include vec.h.
11673 Declare vectors of int, char, and locstr.
11674 (locstr): New typedef.
11675 (struct extraction): Make all array fields into bare pointers.
11676 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11677 (insn_code_number): Delete.
11678 (accum_extract): New struct.
11679 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11680 (gen_insn): Take insn_code_number as an argument. Use an
11681 accum_extract structure instead of loading data directly into
11682 a struct extraction, and having to know how big it might get.
11683 (walk_rtx): Operate entirely on an accum_extract structure.
11684 (print_path): Avoid unnecessary use of printf.
11685 (print_header): New function, split out of main. Distinguish
11686 more carefully between an unrecognizable insn and an insn that
11687 has the code number of a define_expand.
11688 (main): Pass insn_code_number to gen_insn. Call print_header
11689 only after parsing. Avoid unnecessary use of printf.
11690 * Makefile.in (build/vec.o): New rule.
11691 (build/genextract): Depend on build/vec.o.
11692 (build/genextract.o): Don't depend on insn-config.h.
11694 2006-01-22 Zack Weinberg <zackw@panix.com>
11696 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11697 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11698 practical. Eliminate per-generator-program link rules.
11700 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11702 PR middle-end/24437
11703 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11704 with a call expr to ...
11705 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11707 2006-01-23 Richard Guenther <rguenther@suse.de>
11709 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11710 before make_edge with conditional EDGE_TRUE_VALUE.
11712 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11713 Jan Hubicka <jh@suse.cz>
11714 Richard Guenther <rguenther@suse.de>
11716 PR rtl-optimization/25654
11717 * cfgexpand.c (aggregate_contains_union_type): New function.
11718 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11719 for structure variables that contain a union type.
11721 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11723 * gengtype.c (new_structure): Return the structure.
11724 (create_option): Add an extra "next" argument.
11725 (create_field): New function.
11726 (adjust_field_rtx_def): Use create_option and create_field.
11727 Remove a now-unnecessary call to find_structure.
11728 (adjust_field_tree_def): Likewise.
11729 (note_yacc_type): Remove an unnecessary call to find_structure.
11730 * gengtype.h (new_structure): Return the structure.
11731 (create_option): Add an extra argument.
11732 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11733 (option): Adjust calls to create_option.
11735 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11737 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11739 2006-01-22 Paul Brook <paul@codesourcery.com>
11740 Peter Barada <peter@the-baradas.com>
11742 * config/m68k/m68k.md: Add Coldfire FPU support.
11743 Define FP mode macro and associated attributes.
11744 Use it for float mode patterns.
11745 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11746 (LIBCALL_VALUE): Use m68k_libcall_value.
11747 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11748 (m68k_function_value): Ditto.
11749 (emit_move_sequence): Ditto.
11750 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11751 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11752 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11753 (MULTILIB_EXCEPTIONS): Ditto.
11754 * config/m68k/m68k.opt: Add mcfv4e.
11755 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11756 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11757 (m68k_output_function_prologue): Save ColdFire FPU registers.
11758 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11759 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11760 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11761 ColdFire FPU registers.
11762 (m68k_libcall_value, m68k_function_value): New functions.
11763 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11764 (LIBCALL_VALUE): Use m68k_libcall_value.
11765 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11766 (MASK_COLDFIRE): Add MASK_CFV4E.
11767 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11768 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11769 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11770 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11771 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11772 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11773 * doc/invoke.tex: Document -mcfv4e on m68k.
11775 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11777 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11778 URL.
11780 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11782 PR c++/16190
11783 * c-opts.c (c_common_handle_option): Don't include
11784 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11785 * doc/invoke.texi (C++ Dialect Options): Document that
11786 -Wnon-virtual-dtor is no longer included in -Wall.
11788 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11790 * gcov.c (print_version), gcov-dump.c (print_version),
11791 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11792 dates.
11794 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11796 * df-scan.c (problem_SCAN): Added NULL reset function.
11797 (df_scan_reset_blocks): Added code to call reset block function
11798 (df_bb_refs_delete) Fixed comment.
11799 (df_insn_refs_delete): Made tolerant of deleting non existent info
11800 for dataflow problems that need to be reset.
11801 * df-core.c (df_set_blocks): Ditto.
11802 * df.h (struct df_problem): Added reset_fun.
11803 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11804 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11805 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11806 functions to clear out all references to def-use or use-def chains.
11808 2006-01-21 Ben Elliston <bje@au.ibm.com>
11810 * varasm.c (assemble_real): Initialise data array.
11812 2006-01-20 Paul Brook <paul@codesourcery.com>
11814 Merge from csl-arm-branch.
11815 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11816 * config/arm/arm.md (movdi): Force operands[1] to a register
11817 if we have a non-register source.
11818 (*arm_movdi, *movdf_soft_insn): Require that one of the
11819 operands be a register.
11820 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
11821 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
11823 2006-01-20 DJ Delorie <dj@redhat.com>
11825 * varasm.c (initializer_constant_valid_p): Allow pointers
11826 initialized from integer constants of lesser precision.
11827 (output_constant): Allow non-int-sized pointer modes to be
11828 initialized from integer constants.
11830 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
11832 PR libstdc++/25524
11833 * cppdefault.h (struct default_include): Add multilib flag.
11834 * cppdefault.c (cpp_include_defaults): Set it.
11835 * c.opt (-imultilib): New option.
11836 * c-opts.c (imultilib): New.
11837 (c_common_handle_option): Handle -imultilib.
11838 (c_common_post_options): Likewise.
11839 * c-incpath.c (add_standard_paths, register_include_chains):
11840 Likewise.
11841 * c-incpath.h (register_include_chains): Add extra parameter.
11842 * gcc.c (do_spec_1): Generate -imultilib option.
11843 (The Specs Language): Update %I description.
11844 (process_command): Update copyright notice.
11845 * doc/cppopts.texi (-imultilib): Document.
11846 * doc/invoke.texi (-imultilib): Include in option summary.
11847 (%I): Update specs documentation.
11849 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11851 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
11853 2006-01-20 Richard Sandiford <richard@codesourcery.com>
11855 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
11856 label numbers.
11858 2006-01-20 Richard Guenther <rguenther@suse.de>
11859 Steven Bosscher <stevenb.gcc@gmail.com>
11861 PR rtl-optimization/24626
11862 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11863 EDGE_TRUE_VALUE if in RTL mode.
11865 Revert
11866 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
11867 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
11869 2006-01-20 Dirk Mueller <dmueller@suse.com>
11871 PR c++/5520
11872 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
11873 instead of a special NOP marker.
11874 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
11875 NOP marker handling.
11876 * c-common.h (empty_body_warning): Add forward declaration.
11877 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
11878 Now uses IS_EMPTY_STMT() instead of special NOP markers.
11880 2006-01-20 Paul Brook <paul@codesourcery.com>
11882 * Makefile.in (lang_checks): Keep going if mkdir fails.
11884 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11886 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
11887 be able to clean out basic block when not necessary.
11888 (df_scan_free): Fixed to properly delete information if df is
11889 unused before calling df_finish.
11890 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
11891 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
11892 or comment typos.
11893 (df_bb_refs_delete): New function.
11894 (df_refs_delete): Moved per block code to df_bb_refs_delete.
11895 * df-core.c (df_set_blocks): Added code to properly clean out
11896 unused blocks if they are not part of the blocks to consider.
11897 Added additional null check.
11898 (df_compact_blocks): Added basic block parameter to free_bb_fun to
11899 be able to clean out basic block when not necessary
11900 * df.h (df_free_bb_function): Ditto.
11901 (df_bb_refs_delete): New function.
11902 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
11903 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
11904 basic block parameter to be able to clean out basic block when not
11905 necessary.
11906 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
11907 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
11908 Fixed to properly delete information if df is unused before
11909 calling df_finish.
11911 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
11913 PR rtl-optimization/25799
11914 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
11915 Corrected confluence operator to remove bits from op2 before oring
11916 with op1 rather than removing bits from op1.
11917 (df_ru_transfer_function): Corrected test on wrong bitmap which
11918 caused infinite loop. Both of these problems were introduced in
11919 the dataflow rewrite.
11921 2006-01-19 DJ Delorie <dj@redhat.com>
11923 * reload1.c (find_reload_regs): Note the details of reload
11924 failures in the dump file.
11925 (spill_failure): Likewise.
11927 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
11929 * loop-iv.c: Include df.h and hashtab.h.
11930 (enum iv_grd_result): New enum.
11931 (DF_REF_IV, DF_REF_IV_SET): New macros.
11932 (struct biv_entry): New.
11933 (df, bivs): New global variables.
11934 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
11935 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
11936 Removed.
11937 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
11938 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
11939 analyzed_for_bivness_p, record_biv): New functions.
11940 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
11941 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
11942 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
11943 UD chains.
11944 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
11945 analysed.
11946 (iv_number_of_iterations): Use new interface to iv analysis.
11947 * loop-unroll.c: Do not include varray.h.
11948 (analyze_iv_to_split_insn): Use new interface to iv
11949 analysis.
11950 * loop-unswitch.c (may_unswitch_on): Ditto.
11951 * df.c (df_bitmaps_free): Only work for bbs for that structures are
11952 allocated.
11953 (df_bb_modify): Realloc tables to the new index.
11954 (df_find_use): New function.
11955 * df.h (df_find_use): Declare.
11956 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
11957 outmode.
11958 * cfgloop.h (struct rtx_iv): Remove analysed field.
11959 (iv_get_reaching_def): Removed.
11960 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
11961 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
11962 (loop-iv.o): Add df.h and hashtab.h dependency.
11963 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
11965 2006-01-20 Alan Modra <amodra@bigpond.net.au>
11967 PR target/25668
11968 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
11969 Double TFmode.
11970 (__floatundisf, __floatundidf): Likewise.
11971 * libgcc2.h (IS_IBM_EXTENDED): Define.
11973 2006-01-19 DJ Delorie <dj@redhat.com>
11975 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
11977 2006-01-19 Paul Brook <paul@codesourcery.com>
11979 * config/arm/arm.c (arm_compute_func_type): Treat all functions
11980 as nothrow when unwinding tables are disabled.
11982 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11984 PR testsuite/25171
11985 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
11986 of bit-field" when in system header.
11988 2006-01-19 DJ Delorie <dj@redhat.com>
11990 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
11991 the 16 bit shift limit of the m16c.
11993 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
11995 PR target/22099
11996 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
11997 * config/i386/i386.c (output_set_got): Output the label if we have one
11998 for the TARGET_DEEP_BRANCH_PREDICTION case.
12000 2006-01-19 Jan Hubicka <jh@suse.cz>
12001 H.J. Lu <hongjiu.lu@intel.com>
12002 Evandro Menezes <evandro.menezes@amd.com>
12004 * invoke.texi (generic): Document
12005 (i686) Update.
12006 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12007 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12008 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12009 (x86_use_incdec, x86_pad_returns): New variables
12010 (TARGET_CPU_DEFAULT_generic): New constant
12011 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12012 (enum processor_type): Add generic32 and generic64.
12013 * i386.md (cpu attribute): Add generic32/generic64
12014 (movhi splitter): Behave sanely when both partial_reg_dependency and
12015 partial_reg_stall are set.
12016 (K8 splitters): Enable for generic as well.
12017 * predicates.md (incdec_operand): Use TARGET_INCDEC
12018 (aligned_operand): Avoid memory mismatch stalls.
12019 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12020 * ppro.md: Enable for generic32
12021 * i386.c (generic64_cost, generic32_cost): New.
12022 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12023 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12024 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12025 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12026 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12027 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12028 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12029 x86_accumulate_outgoing_args, x86_prologue_using_move,
12030 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12031 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12032 Enable for generic.
12033 (x86_use_incdec, x86_pad_returns): New.
12034 (override_options): Add generic32 and generic64, translate "generic"
12035 to generic32/generic64 and "i686" to "generic32", refuse
12036 "generic32"/"generic64" as arch target.
12037 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12038 (ix86_reorg): Honor PAD_RETURNS.
12040 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12042 * tree-pretty-print.c (dump_generic_node): Handle
12043 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12044 * cgraph.c (cgraph_expand_queue): Rename from
12045 cgraph_analyze_queue. Update all users.
12046 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12047 cgraph_expand_queue.
12048 (cgraph_expand_all_functions): Likewise.
12049 (cgraph_finalize_pending_functions): Remove. Update callers.
12051 * tree.h (OMP_DIRECTIVE_P): Define.
12052 (OMP_PARALLEL_FN): Define.
12053 (OMP_PARALLEL_DATA_ARG): Define.
12054 (OMP_SECTIONS_SECTIONS): Define.
12055 * tree-pass.h (pass_expand_omp): Declare.
12056 * omp-low.c (struct omp_region): Declare.
12057 (struct omp_context): Remove fields 'parallel_type',
12058 'parallel_start_ix' and 'parallel_start_additional_args'.
12059 Update all users.
12060 (struct omp_for_data): Rename from struct expand_omp_for_data.
12061 (omp_regions): New static variable.
12062 (root_omp_region): New static variable.
12063 (find_omp_clause): Make static.
12064 (is_in_combined_parallel_ctx): Remove.
12065 (is_combined_parallel): New.
12066 (extract_omp_for_data): Move earlier in the file.
12067 (workshare_safe_to_combine_p): New.
12068 (get_ws_args_for): New.
12069 (determine_parallel_type): Move earlier in the file.
12070 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12071 child function.
12072 (omp_copy_decl): Likewise.
12073 (create_omp_child_function): Likewise.
12074 (lookup_omp_region): New.
12075 (dump_omp_region): New.
12076 (debug_omp_region): New.
12077 (debug_all_omp_regions): New.
12078 (new_omp_region): New.
12079 (scan_omp_parallel): If parallel_nesting_level > 1, the
12080 directive is nested within another parallel directive.
12081 Set OMP_PARALLEL_FN.
12082 (scan_omp_for): Do not try to handle combined parallel+for
12083 cases.
12084 Remove FIXME comment.
12085 (scan_omp_nested): Remove.
12086 (scan_omp_1): Do not call scan_omp_nested when
12087 parallel_nesting_level is > 1.
12088 Do not change the DECL_CONTEXT of local variables found.
12089 (lookup_decl_in_outer_ctx): New.
12090 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12091 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12092 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12093 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12094 If CTX is nested, lookup VAR in the outer context when
12095 building copy assignment.
12096 (lower_send_clauses): Rename from expand_send_clauses.
12097 If CTX is nested, lookup VAR in the outer context when
12098 building copy assignments.
12099 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12100 If CTX is nested, lookup VAR in the outer context when
12101 building copy assignments.
12102 (expand_parallel_call): Rename from build_parallel_call.
12103 Handle combined parallel+workshare cases.
12104 Re-implement to emit code into the CFG.
12105 (list2chain): New.
12106 (expand_omp_parallel): Re-implement to emit code into the CFG.
12107 Call move_sese_region_to_fn to outline the sub-graph
12108 containing the parallel region.
12109 (expand_omp_for_1): Remove.
12110 (expand_omp_for_generic): Re-implement to emit code into the
12111 CFG.
12112 (expand_omp_for_static_nochunk): Likewise.
12113 (expand_omp_for_static_chunk): Likewise.
12114 (expand_omp_for): Likewise.
12115 (expand_omp_sections): Likewise.
12116 (remove_exit_barriers): New.
12117 (expand_omp_synch): New.
12118 (expand_omp): New.
12119 (build_omp_regions_1): New.
12120 (build_omp_regions): New.
12121 (execute_expand_omp): New.
12122 (gate_expand_omp): New.
12123 (pass_expand_omp): Define.
12124 (lower_omp_sections): Rename from expand_omp_sections.
12125 Set OMP_SECTIONS_SECTIONS.
12126 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12127 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12128 (lower_omp_single): Rename from expand_omp_simple.
12129 (lower_omp_master): Rename from expand_omp_master.
12130 (lower_omp_ordered): Rename from expand_omp_ordered.
12131 (lower_omp_critical): Rename from expand_omp_critical.
12132 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12133 (lower_omp_for): Re-implement.
12134 (lower_omp_parallel): Re-implement.
12135 (lower_regimplify): Rename from expand_regimplify.
12136 (lower_omp_1): Rename from expand_omp_1.
12137 If there are syntax errors in the program, replace every
12138 OpenMP directive with NOP.
12139 Call lower_omp_* instead of expand_omp_*.
12140 (lower_omp): Rename from expand_omp.
12142 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12143 * tree-gimple.h (enum omp_parallel_type): Remove.
12144 (gimple_boolify): Declare extern.
12145 (find_omp_clause, determine_parallel_type): Remove.
12147 * gimple-low.c (lower_omp_directive): New.
12148 (lower_stmt): Call it.
12149 (record_vars_into): Move from ...
12150 (record_vars): ... here.
12151 Call record_vars_into with current_function_decl.
12153 * gimplify.c (struct gimplify_ctx): Remove fields
12154 combined_pre_p and combined_ctxp. Update users.
12155 (get_formal_tmp_var): Add documentation.
12156 (gimple_boolify): Make extern.
12157 (gimplify_expr_in_ctx): Remove. Update callers.
12158 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12159 will always be a BIND_EXPR.
12160 (gimplify_expr): Handle OMP_RETURN_EXPR.
12161 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12162 (OMP_PARALLEL): Add 3 operands.
12163 (OMP_SECTIONS): Add 1 operand.
12164 (OMP_RETURN_EXPR): Define.
12166 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12167 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12168 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12169 creating a circular free list.
12170 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12172 * tree-flow.h (move_sese_region_to_fn): Declare.
12173 (record_vars_into): Declare.
12174 * tree-cfg.c (make_omp_sections_edges): New.
12175 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12176 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12177 OMP_SECTIONS and OMP_SECTION.
12178 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12179 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12180 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12181 (gather_blocks_in_sese_region): New.
12182 (struct move_stmt_d): Declare.
12183 (move_stmt_r): New.
12184 (move_block_to_fn): New.
12185 (move_sese_region_to_fn): New.
12187 * passes.c (init_optimization_passes): Schedule
12188 pass_expand_omp after pass_init_datastructures.
12190 * tree-ssa-operands.c (get_expr_operands): Handle
12191 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12192 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12194 2006-01-19 Jeff Law <law@redhat.com>
12196 * tree-vrp.c (extract_range_from_assert): Refine the result range
12197 if the variable referenced by the ASSERT_EXPR has a range and
12198 either the tentative result range or the previous range is a
12199 VR_ANTI_RANGE.
12201 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12203 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12205 2006-01-19 Jan Hubicka <jh@suse.cz>
12207 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12209 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12211 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12212 (expand_compound_operation, expand_field_assignment): Fail if the
12213 bit lengths of an extract operation are out of range.
12214 (make_extraction): Compute wanted_inner_mode based on the position
12215 and length of the extraction. Make it extraction_mode for non-constant
12216 positions, and do not modify offset in that case. When generating a
12217 new MEM, use a mode that can hold the extraction while keeping correct
12218 alignment. Remove code that supported MEMs wrapped by USEs.
12219 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12221 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12223 * config/s390/s390.md ("Y", "y"): New mode attribute.
12224 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12225 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12226 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12227 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12228 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12229 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12230 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12231 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12232 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12233 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12234 "addsi3", "subsi3"): Insn patterns removed.
12235 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12236 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12237 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12238 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12239 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12240 "*sub<mode>3_cconly2"): New insn patterns.
12241 ("addsi3", "subsi3"): New expanders.
12243 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12245 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12246 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12247 existing STMT_VINFO_VECTYPE if available.
12248 (vect_mark_relevant): Add special handling for stmts that are
12249 marked as STMT_VINFO_IN_PATTERN_P.
12250 (vect_analyze_loop): Call vect_pattern_recog.
12251 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12252 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12253 stmt_info.
12254 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12255 (vect_recog_func_ptr): New function-pointer type.
12256 * tree-vect-patterns.c: New file.
12257 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12258 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12259 (vect_pattern_recog_1): New functions.
12260 (vect_pattern_recog_funcs): New array of function pointers.
12262 * tree-vectorizer.h (ternary_op): New enum value.
12263 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12264 declaration. Revised documentation. Removed redundant dump prints.
12265 Removed redundant argument. Added support for reduction patterns.
12266 (vectorizable_reduction): Added support for reduction patterns.
12267 (vect_transform_stmt): Added support for patterns.
12269 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12270 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12271 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12272 (expand_widen_pattern_expr): New function.
12273 (init_optabs): Initialize new optabs udot_prod_optab,
12274 sdot_prod_optab.
12275 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12276 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12277 (expand_widen_pattern_expr): New function declaration.
12278 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12279 tree-codes.
12280 * tree-inline.c (estimate_num_insns_1): Added cases for new
12281 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12282 * tree-pretty-print.c (dump_generic_node): Likewise.
12283 (op_prio): Likewise.
12284 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12285 * tree-ssa-operands.c (get_expr_operands): Added case for
12286 DOT_PROD_EXPR.
12287 * tree-vect-patterns.c (widened_name_p): New function.
12288 (vect_recog_dot_prod_pattern): Added function implementation.
12289 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12290 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12291 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12292 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12294 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12295 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12296 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12297 (init_optabs): Initialize new optabs widen_ssum_optab,
12298 widen_usum_optab.
12299 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12300 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12301 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12302 use instead of type of def.
12303 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12304 function implementation.
12305 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12306 widen_ssumv8hi): New.
12308 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12309 patterns.
12311 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12313 PR c/25805
12314 * c-decl.c (add_flexible_array_elts_to_size): New function.
12315 (finish_decl): Use it.
12317 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12319 * diagnostic.h: Include options.h.
12320 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12321 dependancies for diagnostic.h.
12322 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12324 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12326 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12327 (ssa_ro_call_cache_valid): Ditto.
12328 * tree-ssa-alias.c (sort_tags_by_id): New function.
12329 (init_transitive_clobber_worklist): Ditto.
12330 (add_to_worklist): Ditto.
12331 (mark_aliases_call_clobbered): Ditto.
12332 (compute_tag_properties): Ditto.
12333 (set_initial_properties): Ditto.
12334 (compute_call_clobbered): Ditto.
12335 (compute_may_aliases): Call compute_call_clobbered and grouping.
12336 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12337 (compute_flow_insensitive_aliasing): Grouping now happens in our
12338 caller.
12339 (setup_pointers_and_addressables): Remove clobbering related code.
12340 (add_may_alias): Ditto.
12341 (replace_may_alias): Ditto.
12342 (get_nmt_for): Ditto.
12343 (create_global_var):
12344 (is_escape_site): Return an escape_type enumeration.
12345 * tree-flow-inline.h (is_call_clobbered): Global var does not
12346 imply call clobbered.
12347 (mark_call_clobbered): Take a reason for marking this. Remove
12348 marking of globalness, and cache invalidation.
12349 (clear_call_clobbered): Remove cache invalidation code.
12350 * tree-dfa.c (dump_variable): If details is on, dump the reason
12351 for escaping.
12352 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12353 variable.
12354 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12355 (struct var_ann_d): Ditto.
12356 (enum escape_type): New.
12357 (mark_call_clobbered): Adjust prototype.
12358 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12359 are never call clobbered.
12360 Record reasons for escaping.
12361 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12362 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12363 (ssa_ro_call_cache_valid): Ditto.
12364 (clobbered_v_may_defs): Ditto.
12365 (clobbered_vuses): Ditto.
12366 (ro_call_vuses): Ditto.
12367 (clobber_stats): New.
12368 (init_ssa_operands): Zero out clobber stats.
12369 (fini_ssa_operands): Print out clobber stats.
12370 (get_call_expr_operands): Pass callee fndecl to
12371 add_call_read_ops).
12372 (add_call_clobber_ops): Remove use of cache.
12373 Add use of PURE_CONST information.
12374 (add_call_read_ops): Remove use of cache.
12375 Add use of static not_read information.
12377 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12379 Introduce TLS descriptors for i386 and x86_64.
12380 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12381 (TARGET_ANY_GNU_TLS): New macro.
12382 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12383 (struct machine_function): Add tls_descriptor_call_expanded_p.
12384 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12385 (ix86_current_function_calls_tls_descriptor): Likewise.
12386 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12387 (override_options): Introduce gnu2 tls dialect.
12388 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12389 not leaves.
12390 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12391 Likewise.
12392 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12393 (ix86_init_machine_status): Initialize new field.
12394 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12395 (ix86_tls_module_base): New.
12396 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12397 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12398 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12399 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12400 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12401 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12402 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12403 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12404 * config/i386/predicates.md (tls_modbase_operand): New.
12405 (tp_or_register_operand): New.
12407 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12409 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12410 (look_for_address_of): Ditto.
12411 (ipa_init): Walk the function decls.
12412 (static_execute): Don't set readonly on FUNCTION_DECL's.
12414 2006-01-18 Roger Sayle <roger@eyesopen.com>
12416 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12417 for shifts where the source and destination registers are different.
12419 2006-01-18 Paul Brook <paul@codesourcery.com>
12421 Merge from csl-arm-branch.
12422 2005-03-14 Julian Brown <julian@codesourcery.com>
12423 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12424 (aeabi_llsl): Likewise.
12425 (ashrdi3): Likewise.
12426 (aeabi_lasr): Likewise.
12427 (lshrdi3): Likewise.
12428 (aeabi_llsr): Likewise.
12429 2005-03-10 Julian Brown <julian@codesourcery.com>
12430 * config.gcc: Disable shared libgcc for SymbianOS.
12431 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12433 2006-01-18 DJ Delorie <dj@redhat.com>
12435 * c-pragma.c (handle_pragma_diagnostic): New.
12436 (init_pragma): Register it.
12437 * doc/extend.texi: Document it.
12439 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12440 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12441 (diagnostic_context): Add classify_diagnostic[].
12442 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12443 as errors if they're overridden to DK_WARNING.
12444 (diagnostic_initialize): Initialize classify_diagnostic[].
12445 (diagnostic_set_kind_override): New.
12446 (diagnostic_report_diagnostic): Check for kind changes.
12447 * opts.c (common_handle_option): Take lang_mask. Update callers.
12448 Handle OPT_Werror_.
12449 * common.opt (Werror=): New.
12450 * doc/invoke.texi: Document -Werror=*
12452 2006-01-18 Jeff Law <law@redhat.com>
12454 * tree-vrp.c (test_for_singularity): Correct test for new
12455 min limit. Use operand_equal_p rather than pointer equality
12456 for testing if new min/max values are equal.
12458 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12459 using range information until after propagation and folding.
12461 2006-01-18 Richard Henderson <rth@redhat.com>
12462 Aldy Hernandez <aldyh@redhat.com>
12463 Jakub Jelinek <jakub@redhat.com>
12464 Diego Novillo <dnovillo@redhat.com>
12466 * omp-low.c: New file.
12467 * c-omp.c: New file.
12469 2006-01-18 Richard Henderson <rth@redhat.com>
12470 Jakub Jelinek <jakub@redhat.com>
12471 Diego Novillo <dnovillo@redhat.com>
12473 * doc/invoke.texi: Document -fopenmp.
12474 * tree-dump.h (debug_function): Declare.
12475 * hooks.c (hook_bool_tree_bool_false): New function.
12476 (hook_tree_tree_null): Remove.
12477 (hook_tree_tree_tree_null): New.
12478 * hooks.h: Update to match.
12479 * tree-pretty-print.c (debug_tree_chain): New.
12480 (print_generic_expr): Handle TDF_CHAIN.
12481 (dump_generic_node): Handle BLOCK.
12482 Do not abort with incomplete SWITCH_EXPRs.
12483 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12484 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12485 print space after directive name.
12486 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12487 Handle OMP_MASTER and OMP_ORDERED.
12488 Handle printing of OMP_BODY just in one place, goto
12489 dump_omp_body in the rest of OMP_* nodes that have
12490 OMP_BODY.
12491 Don't handle clause nodes here. Update omp statements to
12492 use dump_omp_clauses.
12493 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12494 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12495 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12496 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12497 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12498 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12499 Adjust output for GOMP_PARALLEL.
12500 (dump_omp_clauses): New.
12501 (print_declaration): Dump DECL_VALUE_EXPR.
12502 (op_symbol_1): Split out of op_symbol.
12503 (dumping_stmts): Remove. Update all users.
12504 * cgraph.c (cgraph_analyze_queue): New.
12505 (cgraph_add_new_function): New.
12506 * cgraph.h (cgraph_analyze_queue): Declare.
12507 (cgraph_add_new_function): Declare.
12508 (cgraph_lower_function): Remove.
12509 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12510 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12511 and TYPE_P nodes in its default clause.
12512 (empty_body_p): New.
12513 (tree_range_check_failed): New.
12514 (build5_stat): New.
12515 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12516 OMP_CLAUSE_REDUCTION_MERGE,
12517 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12518 OMP_CLAUSE_PRIVATE_DEBUG,
12519 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12520 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12521 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12522 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12523 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12524 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12525 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12526 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12527 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12528 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12529 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12530 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12531 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12532 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12533 (TREE_RANGE_CHECK): New.
12534 (empty_body_p): Declare.
12535 (enum omp_clause_default_kind): New.
12536 (build_string_literal): Declare.
12537 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12538 (build5_stat, build5): Declare.
12539 * tree-pass.h (TDF_CHAIN): Define.
12540 * tree-pass.h (PROP_gimple_lomp): Define.
12541 (pass_lower_omp): Declare.
12542 * diagnostic.h (debug_tree_chain): Declare.
12543 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12544 mode_for_size.
12545 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12546 * builtins.c (build_string_literal): Make extern.
12547 * gcc.c (include_spec_function): New.
12548 (static_spec_functions): Add it.
12549 (main): Move load of libgomp.spec ...
12550 (LINK_COMMAND_SPEC): ... here.
12551 (link_gomp_spec): New.
12552 (static_specs): Include it.
12553 (LINK_COMMAND_SPEC): Add link_gomp.
12554 (GOMP_SELF_SPECS): New.
12555 (driver_self_specs): Include it.
12556 (switch_matches): Don't mark inline.
12557 (main): Load libgomp.spec.
12558 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12559 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12560 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12561 * tree-gimple.h (enum omp_parallel): Declare.
12562 (determine_parallel_type): Declare.
12563 (omp_firstprivatize_variable): Declare.
12564 (omp_reduction_init): Declare.
12565 (diagnose_omp_structured_block_errors): Declare.
12566 (struct walk_stmt_info): Add want_return_expr.
12567 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12568 (find_omp_clause): Declare.
12569 (insert_field_into_struct): Declare.
12570 (struct walk_stmt_info): Move from tree-nested.c
12571 (walk_stmts): Declare.
12572 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12573 to 200505.
12574 * cgraphunit.c (cgraph_lower_function): Make static.
12575 (cgraph_finalize_pending_functions): New.
12576 (cgraph_finalize_function): Call it.
12577 (cgraph_finalize_compilation_unit): Likewise.
12578 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12579 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12580 (BT_FN_UINT_UINT): New.
12581 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12582 DEF_FUNCTION_TYPE_VAR_4): Document.
12583 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12584 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12585 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12586 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12587 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12588 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12589 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12590 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12591 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12592 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12593 into separate files.
12594 (DEF_GOMP_BUILTIN): New.
12595 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12596 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12597 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12598 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12599 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12600 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12601 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12602 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12603 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12604 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12605 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12606 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12607 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12608 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12609 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12610 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12611 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12612 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12613 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12614 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12615 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12616 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12617 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12618 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12619 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12620 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12621 * sync-builtins.def: New file, moved from builtins.def.
12622 * omp-builtins.def: New file, moved from builtins.def.
12623 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12624 * gimple-low.c (lower_function_body): Clear data.
12625 (lower_stmt): Do not handle COMPOUND_EXPR.
12626 Remove call to print_node_brief.
12627 * c-tree.h (c_finish_omp_clauses): New prototype.
12628 (C_DECL_THREADPRIVATE_P): Define.
12629 (lookup_name_no_remap, c_omp_remap_private): Remove
12630 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12631 (check_for_loop_decls): Update decl.
12632 (lookup_name_no_remap, c_omp_remap_private): Declare.
12633 (build_indirect_ref, build_modify_expr, pushdecl,
12634 pushdecl_top_level): Move to c-common.h.
12635 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12636 before the switch, but just in the 2 places that need it.
12637 * c-decl.c (diagnose_mismatched_decls): Do not check for
12638 mismatched thread-local attributes when OLDDECL is marked
12639 threadprivate and NEWDECL has no thread-local attributes.
12640 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12641 (c_gimple_diagnostics_recursively): Rename from
12642 c_warn_unused_result_recursively. Invoke
12643 diagnose_omp_structured_block_errors.
12644 (check_for_loop_decls): Return a singular decl found.
12645 * langhooks.c (lhd_omp_predetermined_sharing): Return
12646 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12647 (lhd_omp_firstprivatize_type_sizes): New.
12648 (lhd_omp_assignment): New.
12649 (lhd_omp_predetermined_sharing): New.
12650 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12651 (struct lang_hooks_for_types): Add
12652 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12653 omp_predetermined_sharing, omp_disregard_value_expr,
12654 omp_private_debug_clause, omp_clause_default_ctor,
12655 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12656 (c_finish_omp_clauses): New.
12657 (c_finish_bc_stmt): Diagnose break within omp for.
12658 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12659 (build_unary_op): Return error_mark after reporting
12660 a readonly_error.
12661 (build_modify_expr): Likewise.
12662 * gimplify.c: Include optabs.h and pointer-set.h.
12663 (enum gimplify_omp_var_data): Declare.
12664 (struct gimplify_omp_ctx): Declare.
12665 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12666 and combined_ctxp.
12667 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12668 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12669 (splay_tree_compare_decl_uid): New.
12670 (new_omp_context): New.
12671 (delete_omp_context): New.
12672 (gimple_add_tmp_var): Call omp_add_variable.
12673 (gimplify_bind_expr): Likewise.
12674 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12675 true, disregard DECL_VALUE_EXPR on the decl if any.
12676 (gimplify_expr_in_ctx): New.
12677 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12678 omp_add_variable, omp_notice_variable, omp_is_private
12679 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12680 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12681 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12682 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12683 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12684 gimplify_omp_atomic): New.
12685 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12686 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12687 OMP_CRITICAL and OMP_ATOMIC.
12688 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12689 * c-pragma.h (enum pragma_kind): Add
12690 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12691 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12692 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12693 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12694 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12695 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12696 PRAGMA_OMP_THREADPRIVATE.
12697 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12698 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12699 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12700 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12701 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12702 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12703 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12704 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12705 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12706 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12707 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12708 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12709 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12710 OpenMP directives.
12711 (struct nesting_info): Add field_map,
12712 suppress_expansion, debug_var_chain.
12713 (create_nesting_tree): Initialize them.
12714 (lookup_field_for_decl): Use field_map.
12715 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12716 (convert_local_omp_clauses): New.
12717 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12718 (walk_body): Split out of walk_function.
12719 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12720 (convert_nonlocal_reference): Handle omp statements.
12721 (convert_local_reference): Likewise.
12722 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12723 (unnest_nesting_tree): New.
12724 (lower_nested_functions): Call it.
12725 (insert_field_into_struct): Make extern.
12726 (struct walk_stmt_info): Move to tree-gimple.h.
12727 (walk_stmts): Make extern.
12728 * omp-builtins.def: New file.
12729 * tree-iterator.c (expr_only): Clarify comment.
12730 * c-common.h (pushdecl_top_level, pushdecl,
12731 build_modify_expr, build_indirect_ref,
12732 c_finish_omp_master, c_finish_omp_critical,
12733 c_finish_omp_ordered, c_finish_omp_barrier,
12734 c_finish_omp_atomic, c_finish_omp_flush,
12735 c_finish_omp_for, c_split_parallel_clauses,
12736 omp_clause_default_kind, c_omp_sharing_predetermined,
12737 c_omp_remap_decl): Declare.
12738 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12739 (OBJS-common): Add omp-low.o.
12740 (c-omp.o, omp-low.o): Add.
12741 (gimplify.o): Add dependency on $(OPTABS_H).
12742 (GTFILES): Add omp-low.c.
12743 (gt-stringpool.h): Add.
12744 * tree-cfg.c (set_bb_for_stmt): Do not update the
12745 block-to-labels map if we are currently expanding to RTL.
12746 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12747 checks.
12748 Handle IDENTIFIER_NODE.
12749 (tree_verify_flow_info): Do not ICE when emitting error
12750 messages about invalid labels.
12751 (dump_function_to_file): Reset CFUN before emitting the body
12752 of the function.
12753 (debug_function): New.
12754 * passes.c (init_optimization_passes): Schedule
12755 pass_lower_omp.
12756 * langhooks-def.h (lhd_omp_predetermined_sharing,
12757 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12758 Declare.
12759 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12760 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12761 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12762 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12763 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12764 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12765 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12766 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12767 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12768 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12769 (LANG_HOOK_DECLS): Use them.
12771 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12772 Richard Henderson <rth@redhat.com>
12773 Jakub Jelinek <jakub@redhat.com>
12774 Diego Novillo <dnovillo@redhat.com>
12776 * c-parser.c (pragma_omp_clause): Define.
12777 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12778 (c_parser_compound_statement): Likewise.
12779 (c_parser_statement): Likewise.
12780 (c_parser_pragma): Handle omp pragmas.
12781 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12782 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12783 (c_parser_omp_clause_name, check_no_duplicate_clause,
12784 c_parser_omp_variable_list,
12785 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12786 c_parser_omp_clause_copyprivate,
12787 c_parser_omp_clause_default,
12788 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12789 c_parser_omp_clause_lastprivate,
12790 c_parser_omp_clause_nowait,
12791 c_parser_omp_clause_num_threads,
12792 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12793 c_parser_omp_clause_reduction,
12794 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12795 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12796 c_parser_omp_atomic, c_parser_omp_barrier,
12797 c_parser_omp_critical, c_parser_omp_flush,
12798 c_parser_omp_for_loop, c_parser_omp_for,
12799 c_parser_omp_master, c_parser_omp_ordered,
12800 c_parser_omp_sections_scope, c_parser_omp_sections,
12801 c_parser_omp_parallel, c_parser_omp_single,
12802 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12803 * c-pragma.c (init_pragma): Do omp pragma registration here.
12804 * c.opt (fopenmp): New flag.
12806 2006-01-18 Eric Christopher <echristo@apple.com>
12808 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12809 * config/darwin.h (GOMP_SELF_SPECS): Define.
12811 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12813 * rtl.h: Remove the prototype for reg_alloc.
12815 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12817 PR target/25731
12818 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12819 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12820 sjlj and dwarf2 exception handling.
12821 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
12822 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
12823 * pa/pa.c (function_value): Treat complex and vector types as
12824 aggregates.
12825 (function_arg): Likewise. Only pass scalar floats in the floating
12826 point argument registers.
12827 * pa/t-slibgcc-dwarf-ver: New file.
12828 * pa/t-slibgcc-sjlj-ver: New file.
12829 * pa/t-slibgcc-elf-ver: Delete file.
12831 2006-01-19 Alan Modra <amodra@bigpond.net.au>
12833 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
12834 unlikely_test_section_p test.
12836 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12838 * mode-switching.c (optimize_mode_switching): Make it static.
12839 * basic-block.h: Remove the prototype for
12840 optimize_mode_switching.
12842 * modulo-sched.c (sms_schedule): Make it static.
12843 * rtl.h: Remove the prototype for sms_schedule.
12845 * postreload-gcse.c (gcse_after_reload_main): Make it static.
12846 * rtl.h: Remove the prototype for gcse_after_reload_main.
12848 * reg-stack.c (reg_to_stack): Make it static.
12849 * rtl.h: Remove the prototype for reg_to_stack.
12851 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
12852 Make them static.
12853 * rtl.h: Remove the prototypes for regrename_optimize and
12854 copyprop_hardreg_forward.
12856 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
12858 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
12859 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
12860 Test against the appropriate null constant for the mode.
12861 If 'fixup_overlap' is true, swap the operands if they overlap.
12862 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
12863 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
12864 alpha_split_tmode_pair and adjust for above change.
12865 * config/alpha/alpha.md (movtf_internal): Adjust call to
12866 alpha_split_tfmode_pair and rely on it to swap the operands.
12867 (movti_internal): New insn and post-reload splitter.
12868 (movti): New expander.
12870 2006-01-18 Philippe De Muyter <phdm@macqel.be>
12872 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
12873 operands.
12875 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12877 * rtlanal.c (global_reg_mentioned_p_1,
12878 global_reg_mentioned_p): Remove.
12879 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12881 * flow.c (initialize_uninitialized_subregs): Make it static.
12882 * rtl.h: Remove the prototype for
12883 initialize_uninitialized_subregs.
12885 * function.c (instantiate_virtual_regs): Make it static.
12886 * function.h: Remove the prototype for
12887 instantiate_virtual_regs.
12889 * regmove.c (regmove_optimize, combine_stack_adjustments):
12890 Make them static.
12891 * rtl.h: Remove the prototypes for regmove_optimize and
12892 combine_stack_adjustments.
12894 2006-01-17 Roger Sayle <roger@eyesopen.com>
12896 * config/i386/i386.c (COSTS_N_BYTES): New macro.
12897 (size_cost): Encode costs in bytes so that a reg-reg addition is
12898 equivalent to COSTS_N_INSNS(1).
12899 (override_options): Use the size_cost.branch_cost as the default
12900 ix86_branch_cost when optimizing for size.
12902 2006-01-18 Ben Elliston <bje@au.ibm.com>
12904 * Makefile.in (D32PBIT_FUNCS): New.
12905 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
12906 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
12907 D64PBIT_FUNCS and D128PBIT_FUNCS.
12908 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
12909 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
12910 D128PBIT are set.
12911 (decnumber_dep): Define.
12912 * doc/libgcc.texi (Decimal float library routines): New node.
12913 * config/dfp-bit.h, config/dfp-bit.c: New files.
12915 2006-01-18 Ben Elliston <bje@au.ibm.com>
12917 * expr.c (emit_move_change_mode): Always adjust addresses, not
12918 just during reload. Copy replacements only during reload.
12919 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
12920 emit_move_via_integer.
12922 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
12924 * Makefile.in (check-%, check-consistency): Use $${srcdir}
12925 instead of $(srcdir) and ${srcdir}.
12927 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
12929 PR target/592
12930 PR middle-end/11135
12931 * arm.h (struct machine_function): Add pic_reg.
12932 * arm.c (arm_pic_register): Make unsigned.
12933 (arm_override_options): Only set arm_pic_register if
12934 TARGET_SINGLE_PIC_BASE.
12935 (use_return_insn): Only test for a pic register if it is fixed.
12936 (arm_compute_save_reg0_reg12_mask): Likewise.
12937 (thumb_compute_save_reg_mask): Likewise.
12938 (legitimate_pic_operand): Factor out some known invariants.
12939 (legitimize_pic_address): If we don't have a fixed pic register,
12940 then set up a pseudo in the function entry sequence. Handle the
12941 pic base being in a pseudo.
12942 (arm_load_pic_register): Handle the pic register being in a pseudo.
12943 (arm_expand_prologue): Only set up the pic register if it is fixed.
12944 (thumb_expand_prologue): Likewise.
12945 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
12946 (pic_load_addr_based_insn): Likewise.
12947 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
12948 fixed.
12950 2006-01-18 Ben Elliston <bje@au.ibm.com>
12952 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
12953 decimal float modes for all floating point registers.
12955 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
12956 match_code "mem" with match_test "macho_lo_sum_memory_operand".
12958 2006-01-17 Jakub Jelinek <jakub@redhat.com>
12960 PR c/25682
12961 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
12962 even when the pointer is not NULL.
12964 2006-01-16 Ian Lance Taylor <ian@airs.com>
12966 * common.opt (ftoplevel-reorder): New option.
12967 * cgraph.c (cgraph_asm_nodes): New global variable.
12968 (cgraph_asm_last_node): New static variable.
12969 (cgraph_order): New global variable.
12970 (cgraph_create_node): Set new order field.
12971 (cgraph_varpool_node): Likewise.
12972 (decide_is_variable_needed): Return true if not
12973 flag_toplevel_reorder.
12974 (cgraph_add_asm_node): New function.
12975 * cgraph.h (struct cgraph_node): Add order field.
12976 (struct cgraph_varpool_node): Add order field.
12977 (struct cgraph_asm_node): Define.
12978 (cgraph_asm_nodes, cgraph_order): Declare.
12979 (cgraph_add_asm_node): Declare.
12980 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
12981 function.
12982 (cgraph_varpool_assemble_pending_decls): Call it.
12983 (cgraph_output_pending_asms): New static function.
12984 (cgraph_finalize_compilation_unit): Call it.
12985 (struct cgraph_order_sort): Define.
12986 (cgraph_output_in_order): New static function.
12987 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
12988 !flag_toplevel_reorder case.
12989 * c-parser.c: Include "cgraph.h".
12990 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
12991 assemble_asm.
12992 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
12993 than -fno-unit-at-a-time.
12994 * doc/invoke.texi (Option Summary): Mention
12995 -fno-toplevel-reorder.
12996 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
12997 -funit-at-a-time documentation.
12999 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13000 Kazu Hirata <kazu@codesourcery.com>
13002 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13004 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13006 * Makefile.in (FUNCTION_H): New. Use it instead of
13007 function.h throughout the file.
13008 * function.h: Include tree.h.
13010 2006-01-17 Ben Elliston <bje@au.ibm.com>
13012 * recog.c: Separate some functions with whitespace.
13014 2006-01-16 Richard Henderson <rth@redhat.com>
13016 Merge from gomp branch:
13017 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13018 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13019 and rename from struct inline_data. Rename callee* to dst*;
13020 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13021 transform_new_cfg, transform_return_to_modify, and
13022 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13023 update_clones_p.
13024 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13025 (copy_decl_for_dup): Remove.
13026 * tree-inline.c (struct inline_data): Move to header.
13027 (insert_decl_map): Export.
13028 (remap_decl): Update for member name changes. Use copy_decl hook.
13029 Allow for replacement to be a non-decl. Remove dead code.
13030 (remap_type_1): Check for existing mapping.
13031 (remap_type): Export.
13032 (remap_decls): Update for member name changes.
13033 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13034 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13035 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13036 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13037 (tree_function_versioning, build_duplicate_type): Likewise.
13038 (copy_body_r): Likewise. Export.
13039 (copy_decl_for_dup): Split into ...
13040 (copy_decl_for_dup_finish, copy_decl_to_var,
13041 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13042 (replace_ref_tree, inlining_p): Remove.
13044 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13046 * ifcvt.c (if_convert): Make it static.
13047 * rtl.h: Remove the prototype for if_convert.
13049 * local-alloc.c (local_alloc): Make it static.
13050 * rtl.h: Remove the prototype for local_alloc.
13052 * loop.c (loop_optimize): Make it static.
13053 * cfgloop.h: Remove the prototype for loop_optimize.
13054 * rtl.h: Likewise.
13056 2006-01-16 DJ Delorie <dj@redhat.com>
13058 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13059 mems.
13061 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13063 * pa.md: Disparage copies between general and floating-point registers
13064 in 32-bit move patterns.
13066 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13068 PR testsuite/25741
13069 * Makefile.in (check-%): Depend on site.exp instead of
13070 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13071 directories.
13073 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13075 * global.c (global_alloc): Make it static.
13076 * rtl.h: Remove the prototype for global_alloc.
13078 2006-01-16 Richard Guenther <rguenther@suse.de>
13080 * tree-ssa-alias.c (struct used_part): Add write_only field.
13081 (get_or_create_used_part_for): Initialize it to true.
13082 (create_overlap_variables_for): Don't create structure variables
13083 for structures that only are written to.
13084 (find_used_portions): Handle MODIFY_EXPR to track whether a
13085 structure is only written to.
13087 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13089 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13090 static.
13091 * basic-block.h: Remove the prototype for
13092 partition_hot_cold_basic_blocks.
13094 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13096 * cppspec.c (lang_specific_spec_functions): Remove.
13097 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13098 * gcc.h (lang_specific_spec_functions): Remove.
13099 * gccspec.c (lang_specific_spec_functions): Remove.
13101 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13103 * combine.c (record_value_for_reg): Invalidate registers
13104 if INSN is null.
13105 (record_dead_and_set_regs_1): Likewise, by passing them to
13106 record_value_for_reg.
13107 (record_dead_and_set_regs): Invalidate stores made by a
13108 call. We do not combine across a call, but we still
13109 relied on equivalences.
13111 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13113 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13114 vrp_int_const_binop returning non-constant nodes.
13116 2006-01-16 Paul Brook <paul@codesourcery.com>
13118 * config/m68k/m68k.c (output_move_const_into_data_reg):
13119 Output correct mnemonic for mvz and mvs.
13121 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13123 * rtl-factoring.c: Add sequence abstraction algorithm.
13124 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13125 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13126 ABNORMAL edges.
13127 (block_has_preserve_label): New function.
13128 * common.opt: Register new pass.
13129 * Makefile.in: Ditto.
13130 * passes.c: Ditto.
13131 * timevar.def: Ditto.
13132 * tree-pass.h: Ditto.
13133 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13134 * rtl.h (make_jump_insn_raw): Add forward decl.
13135 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13137 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13138 Roger Sayle <roger@eyesopen.com>
13140 * fold-const.c (fold_minmax): New static function.
13141 (fold_binary) <MIN_EXPR>: Call it.
13142 <MAX_EXPR>: Likewise.
13143 * stor-layout.c (place_field): Use DECL_SIZE consistently
13144 in the computation of the new record size.
13146 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13148 * cse.c (cse_condition_code_reg): Make it static.
13149 * rtl.h: Remove the prototype for cse_condition_code_reg.
13151 * combine.c (combine_instructions): Make it static.
13152 * rtl.h: Remove the prototype for combine_instructions.
13154 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13156 PR target/25168
13157 * tree.c (get_file_function_name_long): Concatenate the first global
13158 object name with a string derived from the input filename of the object
13159 for type "F".
13161 2006-01-16 Ben Elliston <bje@au.ibm.com>
13163 * config/i386/winnt-stubs.c: Update FSF address.
13164 * config/xtensa/ieee754-df.S: Ditto.
13165 * config/xtensa/ieee754-sf.S: Ditto.
13167 2006-01-14 Ian Lance Taylor <ian@airs.com>
13169 * ifcvt.c (noce_init_if_info): New static function, broken out of
13170 noce_process_if_block.
13171 (noce_process_if_block): Call noce_init_if_info.
13172 (check_cond_move_block): New static function.
13173 (cond_move_process_if_block): New static function.
13174 (process_if_block): Call cond_move_process_if_block.
13176 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13178 * cselib.c (hash_table): Rename to cselib_hash_table.
13179 (cselib_clear_table, discard_useless_values,
13180 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13181 cselib_init, cselib_finish): Adjust uses of hash_table.
13183 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13185 PR tree-optimization/25485
13186 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13187 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13188 is known to be false and true, respectively.
13190 2006-01-14 Richard Guenther <rguenther@suse.de>
13192 PR tree-optimization/22548
13193 PR tree-optimization/22555
13194 PR tree-optimization/22501
13195 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13196 * params.def (salias-max-array-elements): New parameter.
13197 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13198 * doc/invoke.texi (salias-max-array-elements): Document.
13199 * tree-flow-inline.h (var_can_have_subvars): We also handle
13200 arrays now.
13201 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13202 COMPONENT_REF.
13203 * tree-ssa-structalias.c (params.h): Include.
13204 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13205 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13206 (get_constraint_for): For ADDR_EXPR operating on something
13207 containing an ARRAY_REF, add all subvars to the solution.
13208 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13209 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13210 for creating MUST_DEFs.
13211 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13213 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13215 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13216 functions.
13217 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13218 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13219 number_of_iterations_le): New functions.
13220 (number_of_iterations_special): Removed.
13221 (number_of_iterations_exit): Do not use number_of_iterations_special.
13222 * tree.c (unsigned_type_for): Always return integer type.
13224 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13225 Richard Guenther <rguenther@suse.de>
13227 PR rtl-optimization/24257
13228 * gcse.c (find_moveable_store): Only consider a store movable
13229 when the SET_SRC of the insn can be assigned to a register.
13231 2006-01-14 Ian Lance Taylor <ian@airs.com>
13233 * tree.c (tree_not_class_check_failed): New function.
13234 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13235 (tree_not_class_check_failed): Declare.
13237 2006-01-13 Ian Lance Taylor <ian@airs.com>
13239 * reload1.c (do_output_reload): Add assertion rejecting a
13240 CALL_INSN.
13242 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13244 * combine.c (struct reg_stat): Add new fields truncation_label and
13245 truncated_to_mode.
13246 (record_value_for_reg): Reset truncated_to_mode.
13247 (record_truncated_value): New function.
13248 (check_promoted_subreg): Call it. Rename to check_conversions.
13249 (combine_instructions): Rename check_promoted_subreg to
13250 check_conversions.
13251 (reg_truncated_to_mode): New function.
13252 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13253 (gen_lowpart_or_truncate): New function.
13254 (force_to_mode): Use it instead of gen_lowpart.
13256 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13258 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13259 VAR is a tag, not its type tag.
13261 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13263 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13264 alternatives to match style of other entries.
13265 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13267 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13269 PR tree-optimization/25771
13270 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13271 SSA_NAMES.
13273 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13275 PR tree-opt/24365
13276 * tree-inline.c (declare_return_variable): If the return variable
13277 was marked as a non gimple complex, set the return slot variable
13278 to be a non gimple comple variable.
13280 2006-01-13 Richard Guenther <rguenther@suse.de>
13282 * builtins.c (expand_builtin_sincos): New function.
13283 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13284 do not set errno.
13285 (expand_builtin): Expand sincos using expand_builtin_sincos.
13287 2006-01-12 DJ Delorie <dj@redhat.com>
13289 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13290 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13291 so that constant shifts can be split.
13292 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13293 (m32c_valid_pointer_mode): Make static.
13294 (shift_gen_func_for): New.
13295 (m32c_prepare_shift): Use it. Split large const shifts into
13296 multiple shifts.
13297 * config/m32c/predicates.md (shiftcount_operand): Allow more
13298 general operands.
13299 (longshiftcount_operand): New.
13300 * doc/md.texi (Machine Constraints): Document In6.
13302 2006-01-13 Ben Elliston <bje@au.ibm.com>
13304 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13305 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13306 documentation.
13308 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13310 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13311 to try to avoid clobbering pieces of structures when we know
13312 something about the whole structure.
13313 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13315 2006-01-13 Ben Elliston <bje@au.ibm.com>
13317 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13318 return in memory, as this is no limitation is no longer present.
13320 2006-01-12 DJ Delorie <dj@redhat.com>
13322 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13323 mova with fb, and for fb+0 -> An.
13325 * config/m32c/mov.md (peephole2): Fix enabling logic.
13327 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13328 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13329 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13330 FINI_ARRAY_SECTION_ASM_OP): Define.
13332 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13333 variable.
13334 (m32c_legitimize_reload_address): New logic to reload FB to An.
13335 (m32c_output_reg_push): Add newline.
13336 (m32c_output_reg_pop): Likewise.
13338 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13340 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13342 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13344 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13346 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13348 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13349 match_code.
13351 2006-01-11 Ben Elliston <bje@au.ibm.com>
13353 * rtlanal.c (find_reg_note): Assert insn is not null.
13355 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13357 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13358 ifdef.
13360 2006-01-11 Jeff Law <law@redhat.com>
13362 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13363 hold edge pairs.
13364 (mark_threaded_blocks, register_jump_thread): New functions.
13365 (thread_through_all_blocks): Remove unwanted argument. No
13366 longer rely on e->aux to communicate thread target info.
13367 Call mark_threaded_blocks. Release the threaded_blocks
13368 bitmap and threaded_edges vector when complete.
13369 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13370 (threaded_blocks): Remove.
13371 (tree_ssa_dominator_optimize): Remove initialization and
13372 finalization of threaded_blocks. Simplify call to
13373 thread_through_all_blocks.
13374 (thread_across_edge): Call register_jump_thread rather than
13375 storing thread information into e->aux.
13376 (free_all_edge_infos): Simplify now that e->aux is no longer
13377 used to communicate with thread_through_all_blocks.
13378 * tree-flow.h (thread_through_all_blocks): Update prototype.
13379 (register_jump_thread): Prototype.
13381 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13383 * df-core.c (df_compact_blocks, df_bb_replace): Use
13384 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13386 2006-01-11 Richard Guenther <rguenther@suse.de>
13388 PR tree-optimization/25734
13389 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13390 stop propagation after successful propagation to the LHS.
13392 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13394 * basic-block.h (control_flow_graph): Change the type of
13395 x_basic_block_info to VEC(basic_block,gc) *.
13396 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13397 basic_block_info.
13398 (SET_BASIC_BLOCK): New.
13399 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13400 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13401 * cfgbuild.c (find_basic_blocks): Likewise.
13402 * cfglayout.c (fixup_reorder_chain): Likewise.
13403 * cfgrtl.c (create_basic_block_structure,
13404 rtl_create_basic_block): Likewise.
13405 * ifcvt.c (find_if_case_1): Likewise.
13406 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13407 Likewise.
13409 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13411 * Makefile.in: Removed rotted odf.c entry.
13413 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13415 PR target/25706
13416 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13417 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13418 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13419 output pattern modifier, not %e.
13420 * config/cris/cris.c (cris_op_str): Update comment about pattern
13421 modifier.
13422 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13423 before falling through into...
13424 <case 'E'>: Redefined from old 'e' case.
13426 2006-01-11 Jan Hubicka <jh@suse.cz>
13428 PR target/25042
13429 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13431 2006-01-11 Jan Hubicka <jh@suse.cz>
13433 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13434 * i386.c (x86_decompose_lea): Kill.
13435 (ix86_rtx_costs): Kill.
13437 2006-01-11 Jan Hubicka <jh@suse.cz>
13439 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13440 * cgraph.h (cgraph_node): Add inline_decl.
13441 (cgraph_insert_node_to_hashtable): Declare.
13442 (save_inline_function_body): Declare.
13443 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13444 clones.
13445 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13446 (cgraph_function_versioning): Update call of tree_function_versioning.
13447 (save_inline_function_body): New function.
13448 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13449 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13450 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13451 (cgraph_default_inline_p): Likewise.
13452 (cgraph_decide_inlining_incrementally): Likewise.
13453 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13454 (copy_bb): Kill saving; do updating of clones.
13455 (copy_cfg_body): Kill saving.
13456 (initialize_inlined-parameters): Likewise.
13457 (expand_call_inline): Likewise.
13458 (save_body): Kill.
13459 (tree_function_versioning): New parameter "update_clones".
13460 (inlining_p): Kill saving.
13461 * tree-inline.h (tree_function_versioning): Update prototype.
13462 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13463 saving.
13465 2006-01-11 Ian Lance Taylor <ian@airs.com>
13467 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13468 Allow undoing set of machine mode.
13469 (do_SUBST): Use enums instead of is_int.
13470 (do_SUBST_MODE): New function.
13471 (SUBST_MODE): New macro.
13472 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13473 reg and trying to replace reg_regno_rtx with a new register.
13474 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13475 (simplify_set): Use SUBST_MODE.
13476 (distribute_notes): Remove code that tried to update reg notes
13477 for regno_reg_rtx changes.
13479 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13481 PR tree-optimization/23109
13482 PR tree-optimization/23948
13483 PR tree-optimization/24123
13485 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13486 * tree-cfg.c (single_noncomplex_succ): New.
13487 * tree-flow.h (single_noncomplex_succ): Declare it.
13488 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13489 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13490 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13491 insert_bb, register_division_in, insert_reciprocals,
13492 replace_reciprocal, free_bb): New.
13493 (execute_cse_reciprocals_1): Rewritten.
13494 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13495 Do not commit any edge insertion. Always compute dominators and
13496 create the allocation pool.
13497 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13498 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13499 * targhooks.c (default_min_divistions_for_recip_mul): New.
13500 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13501 * passes.c (init_optimization_passes): Run recip after tree loop
13502 optimizations.
13503 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13505 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13506 Kenneth Zadeck <zadeck@naturalbridge.com>
13508 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13509 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13510 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13511 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13512 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13513 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13514 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13515 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13516 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13517 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13518 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13519 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13520 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13521 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13522 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13523 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13524 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13525 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13526 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13527 DF_SCAN_POST_ALLOC): New macros.
13528 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13529 df_free_bb_function, df_local_compute_function, df_init_function,
13530 df_dataflow_function, df_confluence_function_0,
13531 df_confluence_function_n, df_transfer_function,
13532 df_finalizer_function, df_free_function, df_dump_problem_function,
13533 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13534 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13535 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13536 df_urec_bb_info, ) New types.
13537 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13538 variables.
13539 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13540 df_analyze_simple_change_some_blocks,
13541 df_analyze_simple_change_one_block, df_compact_blocks,
13542 df_bb_replace, df_bb_regno_last_use_find,
13543 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13544 df_insn_regno_def_p, df_find_def, df_find_use,
13545 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13546 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13547 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13548 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13549 debug_df_chain, df_get_dependent_problem, df_chain_create,
13550 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13551 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13552 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13553 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13554 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13555 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13556 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13557 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13558 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13559 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13560 df_reorganize_refs, df_set_state, df_hard_reg_init,
13561 df_read_modify_subreg_p) New public functions.
13562 * df-core.c: The core dataflow solver and glue routines for rtl
13563 dataflow.
13564 (df_init, df_add_problem, df_set_blocks, df_finish,
13565 df_hybrid_search_forward, df_hybrid_search_backward,
13566 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13567 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13568 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13569 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13570 df_reg_defined, df_find_use, df_reg_used, df_dump,
13571 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13572 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13573 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13574 debug_df_useno, reset_df_after_reload): New functions.
13575 * df-scan.c: The scanning fuctions, once in df.c, completely
13576 rewritten so that they now fully model the functionality of
13577 register usage at the backend.
13578 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13579 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13580 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13581 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13582 df_get_artificial_defs, df_get_artificial_uses,
13583 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13584 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13585 df_refs_delete, df_reorganize_refs, df_set_state,
13586 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13587 df_def_record_1, df_defs_record, df_uses_record,
13588 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13589 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13590 df_record_exit_block_uses, df_hard_reg_init): New functions.
13592 * df-problems.c: Seven concrete dataflow problems that use the
13593 scanning in df-scan.c and are solved by the engine in df-core.c.
13594 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13595 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13596 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13597 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13598 df_ru_free_bb_info, df_ru_alloc,
13599 df_ru_bb_local_compute_process_def,
13600 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13601 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13602 df_ru_transfer_function, df_ru_free, df_ru_dump,
13603 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13604 df_rd_free_bb_info, df_rd_alloc,
13605 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13606 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13607 df_rd_transfer_function, df_rd_free, df_rd_dump,
13608 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13609 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13610 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13611 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13612 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13613 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13614 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13615 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13616 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13617 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13618 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13619 df_urec_mark_reg_use_for_earlyclobber,
13620 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13621 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13622 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13623 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13624 df_chain_create_bb_process_use, df_chain_create_bb,
13625 df_chain_finalize, df_chain_free, df_chains_dump,
13626 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13627 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13628 df_reg_lifetime): New functions.
13629 * df.c: Deleted file.
13630 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13631 consistent with new df api.
13632 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13633 rest_of_handle_sms): Ditto.
13634 * web.c (unionfind_union, union_defs, entry_register, web_main):
13635 Ditto.
13636 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13637 invariant_expr_equal_p, find_defs, check_dependencies,
13638 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13639 free_inv_motion_data, move_loop_invariants): Ditto.
13640 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13641 Update dependencies.
13642 (odf.c): Added defective entry that was deleted later in day.
13643 * sched-deps.c (sched_analyze_1): Ditto.
13645 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13647 * tree-ssa-operands.c (get_expr_operands): Record addressable
13648 variables directly. Do not call add_stmt_operands for CONST_DECLs
13649 and ARRAY_DECLs.
13650 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13651 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13653 2006-01-11 Ben Elliston <bje@au.ibm.com>
13655 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13656 function returns true in the positive case.
13658 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13660 PR target/20754
13661 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13662 for SI, DI, SF and DF modes. Add alternatives to copy between
13663 general and floating point registers to the 32-bit patterns.
13664 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13665 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13666 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13667 generating 64-bit code.
13668 * config/pa/pa.c (output_move_double): Handle copies between general
13669 and floating registers.
13671 2006-01-10 Stuart Hastings <stuart@apple.com>
13673 * config/i386/i386.md (set_got): Update.
13674 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13675 (builtin_setjmp_receiver): Mach-O support.
13676 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13677 (GOT_SYMBOL_NAME): Define.
13678 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13679 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13680 * config/i386/i386.c (override_options): Revise for Darwin.
13681 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13682 support. (darwin_x86_file_end): New. (output_set_got): Add label
13683 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13684 * config/i386/i386-protos.h (output_set_got): Likewise.
13685 * config/darwin.c (machopic_legitimize_pic_address): Update
13686 regs_ever_live[].
13688 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13690 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13691 when MODE isn't BLKmode.
13693 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13695 PR rtl-optimization/25367
13696 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13698 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13700 PR target/25718
13701 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13702 for a negative bound.
13704 2006-01-10 Richard Guenther <rguenther@suse.de>
13706 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13707 Never override with anything constraint.
13709 2006-01-10 Jan Beulich <jbeulich@novell.com>
13711 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13712 256 bits when optimize_size.
13714 2006-01-10 Jan Beulich <jbeulich@novell.com>
13716 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13717 MASK_ALIGN_DOUBLE.
13718 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13719 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13720 arguments.
13722 2006-01-10 Ben Elliston <bje@au.ibm.com>
13724 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13725 float modes.
13726 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13727 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13728 (USE_FP_FOR_ARG): Reject decimal float modes.
13729 (function_arg_advance): Likewise.
13730 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13731 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13732 point types in AltiVec vectors.
13733 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13734 (rs6000_libcall_value): Likewise.
13736 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13738 * config/xtensa/ieee754-df.S: New file.
13739 * config/xtensa/ieee754-sf.S: New file.
13740 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13741 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13742 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13744 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13746 * config/sh/predicates.md (binary_float_operator,
13747 binary_logical_operator, commutative_float_operator,
13748 equality_comparison_operator, greater_comparison_operator,
13749 less_comparison_operator, logical_operator,
13750 noncommutative_float_operator, shift_operator,
13751 symbol_ref_operand, unary_float_operator): Remove redundant
13752 conditionals.
13754 2006-01-09 Jeff Law <law@redhat.com>
13756 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13757 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13758 now unused arguments. Callers updated.
13759 (eliminate_redundant_computations): Remove now unused arguments,
13760 callers updated.
13761 (local_fold): Remove, no longer used.
13762 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13763 and moved to...
13764 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13765 (simplify_cond): New function.
13766 (forward_propagate_into_cond): Call simplify_cond.
13768 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13770 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13771 (*vec_extractv2di_1_sse): New.
13773 2006-01-09 Ben Elliston <bje@au.ibm.com>
13775 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13777 2006-01-08 Richard Guenther <rguenther@suse.de>
13779 * tree-ssa-structalias.c (get_constraint_for): Remove
13780 anyoffset argument.
13781 (get_constraint_for_component_ref): Likewise.
13782 (do_deref): Likewise.
13783 (get_constraint_for): Likewise.
13784 (do_structure_copy): Likewise.
13785 (handle_ptr_arith): Likewise.
13786 (find_func_aliases): Likewise. Remove unused need_anyoffset
13787 variable.
13789 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13790 Kaz Kojima <kkojima@gcc.gnu.org>
13792 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13793 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13794 (EXTRA_CONSTRAINT_C16): Remove.
13795 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13796 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13797 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13798 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13799 constants of SHmedia. Handle nested constant expressions of
13800 SHmedia correctly.
13801 (andcosts): Fix the costs for SHmedia constants.
13802 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13803 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13804 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13805 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13806 (movv4hi_i, movv2si_i): Likewise.
13807 (movsi_const): Adjust the second operand of ior so to match with
13808 the Csu constraint.
13809 (movdi_const, movdi_const_32bit): Likewise.
13810 (movdi_const_16bit+1): Don't sign-extend LOW.
13811 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13812 step.
13813 (*double_shori): Fix the split condition. Use GEN_INT instead
13814 of get_int_mode calls. Mask lower 16-bit of the argument of
13815 the last GEN_INT.
13816 (sym2GOTPLT): Remove.
13817 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13818 gen_rtx_UNSPEC.
13819 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13820 instead of EXTRA_CONSTRAINT_C16.
13822 2006-01-07 Ian Lance Taylor <ian@airs.com>
13823 David Edelsohn <edelsohn@gnu.org>
13825 PR rtl-optimization/25662
13826 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
13827 for constant operands instead of simplify_gen_binary.
13828 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
13829 after trying simplify_binary_operation
13831 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
13833 * tree.c (iterative_hash_expr): Hash decls based on UID.
13835 2006-01-06 Eric Christopher <echristo@apple.com>
13837 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
13838 (TARGET_UNWIND_EMIT): Fix spelling.
13839 * target.h (gcc_target): Add except_table_label.
13840 * except.c (output_function_exception_table): Use.
13841 * varasm.c (default_emit_except_table_label): New.
13842 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
13843 define.
13844 (asm_out): Add here.
13845 * output.h (default_emit_except_table_label): Prototype.
13846 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
13847 * config/darwin.c (darwin_emit_except_table_label): Define.
13848 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
13850 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
13852 PR tree-optimization/18527
13853 * tree-ssa-loop-niter.c (number_of_iterations_cond,
13854 number_of_iterations_special, number_of_iterations_exit):
13855 Move base and step of an iv to a single structure. Add
13856 no_overflow flag, and use it in # of iterations analysis.
13857 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
13858 folded_casts argument.
13859 (simple_iv): Pass base and step in a structure. Set no_overflow
13860 flag.
13861 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
13862 Evaluate expensiveness of computing # of iterations instead of
13863 the final expression.
13864 * tree-scalar-evolution.h (affine_iv): New structure.
13865 (simple_iv): Declaration changed.
13866 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
13867 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
13868 find_givs_in_stmt): Changed due to simple_iv change.
13870 2006-01-06 Jeff Law <law@redhat.com>
13872 PR ada/24994
13873 * tree-cfg.c (bsi_replace): Rename final argument from
13874 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
13875 change (stmt -> orig_stmt).
13876 * tree-eh.c (verify_eh_throw_stmt_node): New function.
13877 (bsi_remove): Add new argument. Remove EH information
13878 if requested.
13879 (verify_eh_throw_table_statements): New function.
13880 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
13881 updated.
13882 * tree-optimize.c (execute_free_cfg_annotations): Verify
13883 the EH throw statement table after removing annotations.
13884 * except.h (verify_eh_throw_table_statements): Prototype.
13885 * tree-flow.h (bsi_remove): Update prototype.
13886 * tree-vrp.c (remove_range_assertions): Add new argument to
13887 bsi_remove call.
13888 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
13889 * tree-complex.c (expand_complex_div_wide): Likewise.
13890 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
13891 * tree-tailcall.c (eliminate_tailcall): Likewise.
13892 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13893 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13894 * tree-nrv.c (tree_nrv): Likewise.
13895 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
13896 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
13897 (combine_blocks): Likewise.
13898 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
13899 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
13900 (cleanup_control_flow): Likewise.
13901 (remove_forwarder_block): Likewise.
13902 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13903 * tree-sra.c (sra_replace): Likewise.
13904 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
13905 (forward_propagate_single_use_vars): Likewise.
13906 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
13907 * tree-inline.c (expand_call_inline): Likewise.
13908 * tree-vect-transform.c (vect_transform_loop): Likewise.
13909 * tree-outof-ssa.c (rewrite_trees): Likewise.
13910 * tree-cfg.c (make_goto_expr_edges): Likewise.
13911 (cleanup_dead_labels): Likewise.
13912 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
13913 (bsi_move_before, bsi_move_after): Likewise.
13914 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
13915 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
13917 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
13919 PR tree-opt/25528
13920 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
13921 and IMAGPART_EXPR.
13922 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
13923 on non gimple variables. Also add checks at the top for decls and
13924 mtags.
13925 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
13926 complex types.
13927 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
13928 and IMAGPART_EXPR for creating MUST_DEFs.
13929 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
13930 and NAME_MEMORY_TAG separately from the DECLs.
13932 2006-01-06 Richard Guenther <rguenther@suse.de>
13934 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
13935 annotation, if necessary.
13936 * tree-ssa-pre.c (create_expression_by_pieces): Remove
13937 redundant calls to update_stmt.
13938 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
13939 Likewise.
13941 2006-01-05 Richard Henderson <rth@redhat.com>
13943 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
13945 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13947 * c-typeck.c: Update copyright date.
13949 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
13951 * c-typeck.c (build_c_cast): Always warn when casting
13952 from a pointer to an integer of different size, even if
13953 the node was constant.
13955 2006-01-05 Richard Guenther <rguenther@suse.de>
13957 PR tree-optimization/22555
13958 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
13959 if one structure field is an array.
13960 * tree-ssa-operands.c (get_expr_operands): Continue scanning
13961 operands even if we found a subvar, but ignore VOPs in this
13962 case.
13963 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
13964 for renaming.
13965 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
13967 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
13969 PR middle-end/24998
13970 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
13972 2006-01-05 Richard Guenther <rguenther@suse.de>
13973 Diego Novillo <dnovillo@redhat.com>
13975 * tree-pass.h (TODO_remove_unused_locals): Define.
13976 * gimple-low.c (expand_var_p, remove_useless_vars,
13977 pass_remove_useless_vars): Remove. Update all users.
13978 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
13979 (remove_unused_locals): New function.
13980 * tree-flow.h (remove_unused_locals): Declare.
13981 * passes.c (execute_todo): Call remove_unused_locals if
13982 TODO_remove_unused_locals is set.
13983 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
13984 * tree-ssa-dce.c (pass_dce): Likewise.
13985 * tree-outof-ssa.c (pass_del_ssa): Likewise.
13987 2006-01-05 Richard Guenther <rguenther@suse.de>
13989 * tree-flow.h (struct fieldoff): Decompose field to
13990 type, size and decl.
13991 * tree-ssa-alias.c (create_sft): Take type as parameter.
13992 (create_overlap_variables_for): Store type, size and decl
13993 in the fieldoff structure.
13994 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
13995 of struct fieldoff.
13996 (push_fields_onto_fieldstack): Likewise.
13997 (create_variable_info_for): Likewise. Use offset for the
13998 SFT name if the decl is not available.
14000 2006-01-04 Paul Brook <paul@codesourcery.com>
14002 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14004 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14006 * lambda-code.c (can_put_in_inner_loop): Relax
14007 restrictions.
14008 (can_put_after_inner_loop): New function.
14009 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14010 (perfect_nestify): Change to make copies and modify uses.
14012 2006-01-04 Richard Henderson <rth@redhat.com>
14014 Merge from gomp branch:
14015 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14016 via integer constant.
14017 (pragma_lex): Remove.
14018 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14019 rather than parsing it.
14020 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14021 handle_pragma_extern_prefix): Add %< %> quotes.
14022 (registered_pragmas): New.
14023 (c_register_pragma_1): New.
14024 (c_register_pragma): Use it.
14025 (c_register_pragma_with_expansion): Likewise.
14026 (c_invoke_pragma_handler): New.
14027 (init_pragma): Use cpp_register_deferred_pragma directly for
14028 pch_preprocess.
14029 * c-pragma.h (enum pragma_kind): New.
14030 (pragma_handler): New.
14031 (c_invoke_pragma_handler): Declare.
14032 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14033 CPP_PRAGMA_EOL.
14034 * c-common.h (c_common_pch_pragma): Update decl.
14035 * Makefile.in (c-parser.o): Update dependencies.
14036 (GTFILES): Add c-pragma.h.
14037 * c-parser.c (struct c_token): Add pragma_kind.
14038 (struct c_parser): Add in_pragma.
14039 (c_lex_one_token): Always initialize keyword and pragma_kind.
14040 Extract data for CPP_PRAGMA.
14041 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14042 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14043 Don't allow CPP_PRAGMA_EOL if in_pragma.
14044 (c_parser_consume_pragma): New.
14045 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14046 (c_parser_skip_to_end_of_parameter): Likewise.
14047 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14048 (c_parser_skip_to_pragma_eol): New.
14049 (c_parser_external_declaration): Handle CPP_PRAGMA.
14050 (c_parser_compound_statement_nostart): Likewise.
14051 (c_parser_statement_after_labels): Likewise.
14052 (c_parser_pragma): New.
14053 (pragma_lex): Likewise.
14054 (c_parser_pragma_pch_preprocess): New.
14055 (c_parser_new): Merge into ...
14056 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14058 2006-01-04 Jeff Law <law@redhat.com>
14060 PR ada/24994
14061 * tree-cfg.c (bsi_replace): Remove the original statement
14062 from the EH throw statement table.
14064 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14066 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14067 make the prototype extern "C" and add throw ().
14069 PR target/25554
14070 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14071 and pos non-negative and pos + len <= 32.
14072 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14073 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14074 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14076 PR c/25559
14077 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14078 as well as sizes not multiple of component size.
14080 PR debug/25562
14081 * function.c (instantiate_expr): New function.
14082 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14083 walk its DECL_VALUE_EXPR with instantiate_expr.
14085 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14086 DW_OP_deref{,_size} if address isn't going to be added.
14088 2006-01-04 Ben Elliston <bje@au.ibm.com>
14090 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14091 * config/fp-bit.c: Likewise.
14093 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14095 * dominance.c: Add comment about why we use DFS numbering
14096 of dominance tree.
14098 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14099 Richard Henderson <rth@redhat.com>
14101 Merge from gomp-branch:
14102 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14103 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14105 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14107 PR rtl-optimization/25578
14108 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14109 pass a parameter to simplify_shift_const if changing ASHIFTRT
14110 to LSHIFTRT.
14112 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14114 * builtins.c (get_builtin_sync_mem): New function.
14115 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14116 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14117 Call get_builtin_sync_mem to generate mem rtx.
14119 2006-01-03 Richard Guenther <rguenther@suse.de>
14121 PR c/25183
14122 * stmt.c (add_case_node): Make sure to clear overflow flags
14123 from ranges.
14125 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14127 Merge from gomp-branch.
14128 * config/sparc/sync.md: New file.
14129 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14130 UNSPECV_LDSTUB): New constants.
14131 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14132 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14133 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14134 prototype.
14136 2006-01-03 Roger Sayle <roger@eyesopen.com>
14138 * combine.c (reg_subword_p): New predicate to test whether the
14139 destination of a set refers to a subword/piece of a register.
14140 (try_combine): Generalize the code to merge the setting of a
14141 pseudo to a constant followed by a set of a subword of that
14142 register to a constant.
14144 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14146 * basic-block.h (control_flow_graph): Change the type of
14147 x_label_to_block_map to VEC(basic_block,gc) *.
14148 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14149 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14151 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14152 VEC(basic_block,heap) *.
14153 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14154 ssa_prop_fini): Adjust the uses of cfg_blocks.
14156 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14158 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14159 COMPONENT_REFs.
14160 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14161 hashing trees instead of a pointer hash.
14162 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14163 compare for MEM_EXPR.
14165 PR rtl-optimization/25130
14166 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14167 when comparing MEMs for GCSE
14169 2006-01-03 Ben Elliston <bje@au.ibm.com>
14171 * targhooks.h (default_decimal_float_supported_p): Declare.
14172 * targhooks.c (default_decimal_float_supported_p): Define.
14173 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14174 `default_decimal_float_supported_p'.
14175 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14177 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14179 * combine.c (apply_distributive_law <SUBREG>): Check
14180 TRULY_NOOP_TRUNCATION.
14182 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14184 * dwarf2out.c (have_switched_text_section): Delete.
14185 (have_multiple_function_sections): New.
14186 (have_location_lists): Make 'bool'.
14187 (add_AT_loc_list): Use 'true' not '1'.
14188 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14189 (output_loc_list): Use have_multiple_function_sections.
14190 (output_ranges): Likewise.
14191 (dwarf2out_begin_function): Set have_multiple_function_sections if
14192 necessary.
14193 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14194 Check function_section rather than DECL_SECTION_NAME.
14195 (dwarf2out_finish): Use have_multiple_function_sections.
14196 Don't clear have_location_lists.
14198 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14199 Jan Hubicka <jh@suse.cz>
14201 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14202 case of conditional jump jumping to the next instruction.
14203 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14204 cases of conditional jump jumping to the next instruction.
14206 2006-01-02 Jan Hubicka <jh@suse.cz>
14208 * i386.c (*_cost): Add COSTS_N_INSNS.
14209 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14211 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14213 PR target/25259
14214 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14216 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14218 * config/arm/arm.c (all_fpus): Fix comment typo.
14219 * config/darwin.c: Likewise.
14220 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14221 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14222 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14224 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14226 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14227 (rs6000_split_compare_and_swapqhi): New.
14228 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14229 (sync_compare_and_swapqhi_internal): New.
14230 * config/rs6000/rs6000-protos.h: Declare.